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<div id=Content><div class="CFile"><div class=CTopic id=MainTopic><h1 class=CTitle><a name="gd.c"></a>gd.c</h1><div class=CBody><!--START_ND_SUMMARY--><div class=Summary><div class=STitle>Summary</div><div class=SBorder><table border=0 cellspacing=0 cellpadding=0 class=STable><tr class="SMain"><td class=SEntry><a href="#gd.c" >gd.c</a></td><td class=SDescription></td></tr><tr class="SGroup"><td class=SEntry><a href="#Error_Handling" >Error Handling</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdSetErrorMethod" id=link1 onMouseOver="ShowTip(event, 'tt1', 'link1')" onMouseOut="HideTip('tt1')">gdSetErrorMethod</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdClearErrorMethod" id=link2 onMouseOver="ShowTip(event, 'tt2', 'link2')" onMouseOut="HideTip('tt2')">gdClearErrorMethod</a></td><td class=SDescription></td></tr><tr class="SGroup"><td class=SEntry><a href="#Creation_and_Destruction" >Creation and Destruction</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageCreate" id=link3 onMouseOver="ShowTip(event, 'tt3', 'link3')" onMouseOut="HideTip('tt3')">gdImageCreate</a></td><td class=SDescription>gdImageCreate is called to create palette-based images, with no more than 256 colors. </td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageCreateTrueColor" id=link4 onMouseOver="ShowTip(event, 'tt4', 'link4')" onMouseOut="HideTip('tt4')">gdImageCreateTrueColor</a></td><td class=SDescription><a href="#gdImageCreateTrueColor" class=LFunction id=link5 onMouseOver="ShowTip(event, 'tt4', 'link5')" onMouseOut="HideTip('tt4')">gdImageCreateTrueColor</a> is called to create truecolor images, with an essentially unlimited number of colors. </td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageDestroy" id=link6 onMouseOver="ShowTip(event, 'tt5', 'link6')" onMouseOut="HideTip('tt5')">gdImageDestroy</a></td><td class=SDescription><a href="#gdImageDestroy" class=LFunction id=link7 onMouseOver="ShowTip(event, 'tt5', 'link7')" onMouseOut="HideTip('tt5')">gdImageDestroy</a> is used to free the memory associated with an image. </td></tr><tr class="SGroup"><td class=SEntry><a href="#Color" >Color</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageColorClosest" id=link8 onMouseOver="ShowTip(event, 'tt6', 'link8')" onMouseOut="HideTip('tt6')">gdImageColorClosest</a></td><td class=SDescription>Gets the closest color of the image</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageColorClosestAlpha" id=link9 onMouseOver="ShowTip(event, 'tt7', 'link9')" onMouseOut="HideTip('tt7')">gdImageColorClosestAlpha</a></td><td class=SDescription>Gets the closest color of the image</td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageColorClosestHWB" id=link10 onMouseOver="ShowTip(event, 'tt8', 'link10')" onMouseOut="HideTip('tt8')">gdImageColorClosestHWB</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageColorExact" id=link11 onMouseOver="ShowTip(event, 'tt9', 'link11')" onMouseOut="HideTip('tt9')">gdImageColorExact</a></td><td class=SDescription>Gets the exact color of the image</td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageColorExactAlpha" id=link12 onMouseOver="ShowTip(event, 'tt10', 'link12')" onMouseOut="HideTip('tt10')">gdImageColorExactAlpha</a></td><td class=SDescription>Gets the exact color of the image</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageColorAllocate" id=link13 onMouseOver="ShowTip(event, 'tt11', 'link13')" onMouseOut="HideTip('tt11')">gdImageColorAllocate</a></td><td class=SDescription>Allocates a color</td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageColorAllocateAlpha" id=link14 onMouseOver="ShowTip(event, 'tt12', 'link14')" onMouseOut="HideTip('tt12')">gdImageColorAllocateAlpha</a></td><td class=SDescription>Allocates a color</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageColorResolve" id=link15 onMouseOver="ShowTip(event, 'tt13', 'link15')" onMouseOut="HideTip('tt13')">gdImageColorResolve</a></td><td class=SDescription>gdImageColorResolve is an alternative for the code fragment</td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageColorResolveAlpha" id=link16 onMouseOver="ShowTip(event, 'tt14', 'link16')" onMouseOut="HideTip('tt14')">gdImageColorResolveAlpha</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageColorDeallocate" id=link17 onMouseOver="ShowTip(event, 'tt15', 'link17')" onMouseOut="HideTip('tt15')">gdImageColorDeallocate</a></td><td class=SDescription>Removes a palette entry</td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageColorTransparent" id=link18 onMouseOver="ShowTip(event, 'tt16', 'link18')" onMouseOut="HideTip('tt16')">gdImageColorTransparent</a></td><td class=SDescription>Sets the transparent color of the image</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImagePaletteCopy" id=link19 onMouseOver="ShowTip(event, 'tt17', 'link19')" onMouseOut="HideTip('tt17')">gdImagePaletteCopy</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageColorReplace" id=link20 onMouseOver="ShowTip(event, 'tt18', 'link20')" onMouseOut="HideTip('tt18')">gdImageColorReplace</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageColorReplaceThreshold" id=link21 onMouseOver="ShowTip(event, 'tt19', 'link21')" onMouseOut="HideTip('tt19')">gdImageColorReplaceThreshold</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageColorReplaceArray" id=link22 onMouseOver="ShowTip(event, 'tt20', 'link22')" onMouseOut="HideTip('tt20')">gdImageColorReplaceArray</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageColorReplaceCallback" id=link23 onMouseOver="ShowTip(event, 'tt21', 'link23')" onMouseOut="HideTip('tt21')">gdImageColorReplaceCallback</a></td><td class=SDescription></td></tr><tr class="SGroup"><td class=SEntry><a href="#Pixels" >Pixels</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageSetPixel" id=link24 onMouseOver="ShowTip(event, 'tt22', 'link24')" onMouseOut="HideTip('tt22')">gdImageSetPixel</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageGetPixel" id=link25 onMouseOver="ShowTip(event, 'tt23', 'link25')" onMouseOut="HideTip('tt23')">gdImageGetPixel</a></td><td class=SDescription>Gets a pixel color as stored in the image.</td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageGetTrueColorPixel" id=link26 onMouseOver="ShowTip(event, 'tt24', 'link26')" onMouseOut="HideTip('tt24')">gdImageGetTrueColorPixel</a></td><td class=SDescription>Gets a pixel color always as truecolor value.</td></tr><tr class="SGroup"><td class=SEntry><a href="#Primitives" >Primitives</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageAABlend" id=link27 onMouseOver="ShowTip(event, 'tt25', 'link27')" onMouseOut="HideTip('tt25')">gdImageAABlend</a></td><td class=SDescription>NO-OP, kept for library compatibility.</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageLine" id=link28 onMouseOver="ShowTip(event, 'tt26', 'link28')" onMouseOut="HideTip('tt26')">gdImageLine</a></td><td class=SDescription>Bresenham as presented in Foley & Van Dam.</td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageDashedLine" id=link29 onMouseOver="ShowTip(event, 'tt27', 'link29')" onMouseOut="HideTip('tt27')">gdImageDashedLine</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageBoundsSafe" id=link30 onMouseOver="ShowTip(event, 'tt28', 'link30')" onMouseOut="HideTip('tt28')">gdImageBoundsSafe</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageChar" id=link31 onMouseOver="ShowTip(event, 'tt29', 'link31')" onMouseOut="HideTip('tt29')">gdImageChar</a></td><td class=SDescription>Draws a single character.</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageCharUp" id=link32 onMouseOver="ShowTip(event, 'tt30', 'link32')" onMouseOut="HideTip('tt30')">gdImageCharUp</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageString" id=link33 onMouseOver="ShowTip(event, 'tt31', 'link33')" onMouseOut="HideTip('tt31')">gdImageString</a></td><td class=SDescription>Draws a character string.</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageStringUp" id=link34 onMouseOver="ShowTip(event, 'tt32', 'link34')" onMouseOut="HideTip('tt32')">gdImageStringUp</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageString16" id=link35 onMouseOver="ShowTip(event, 'tt33', 'link35')" onMouseOut="HideTip('tt33')">gdImageString16</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageStringUp16" id=link36 onMouseOver="ShowTip(event, 'tt34', 'link36')" onMouseOut="HideTip('tt34')">gdImageStringUp16</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageArc" id=link37 onMouseOver="ShowTip(event, 'tt35', 'link37')" onMouseOut="HideTip('tt35')">gdImageArc</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageFilledArc" id=link38 onMouseOver="ShowTip(event, 'tt36', 'link38')" onMouseOut="HideTip('tt36')">gdImageFilledArc</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageEllipse" id=link39 onMouseOver="ShowTip(event, 'tt37', 'link39')" onMouseOut="HideTip('tt37')">gdImageEllipse</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageFilledEllipse" id=link40 onMouseOver="ShowTip(event, 'tt38', 'link40')" onMouseOut="HideTip('tt38')">gdImageFilledEllipse</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageFillToBorder" id=link41 onMouseOver="ShowTip(event, 'tt39', 'link41')" onMouseOut="HideTip('tt39')">gdImageFillToBorder</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageFill" id=link42 onMouseOver="ShowTip(event, 'tt40', 'link42')" onMouseOut="HideTip('tt40')">gdImageFill</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageRectangle" id=link43 onMouseOver="ShowTip(event, 'tt41', 'link43')" onMouseOut="HideTip('tt41')">gdImageRectangle</a></td><td class=SDescription>Draws a rectangle.</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageFilledRectangle" id=link44 onMouseOver="ShowTip(event, 'tt42', 'link44')" onMouseOut="HideTip('tt42')">gdImageFilledRectangle</a></td><td class=SDescription></td></tr><tr class="SGroup"><td class=SEntry><a href="#Cloning_and_Copying" >Cloning and Copying</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageClone" id=link45 onMouseOver="ShowTip(event, 'tt43', 'link45')" onMouseOut="HideTip('tt43')">gdImageClone</a></td><td class=SDescription>Clones an image</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageCopy" id=link46 onMouseOver="ShowTip(event, 'tt44', 'link46')" onMouseOut="HideTip('tt44')">gdImageCopy</a></td><td class=SDescription>Copy an area of an image to another image</td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageCopyMerge" id=link47 onMouseOver="ShowTip(event, 'tt45', 'link47')" onMouseOut="HideTip('tt45')">gdImageCopyMerge</a></td><td class=SDescription>Copy an area of an image to another image ignoring alpha</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageCopyMergeGray" id=link48 onMouseOver="ShowTip(event, 'tt46', 'link48')" onMouseOut="HideTip('tt46')">gdImageCopyMergeGray</a></td><td class=SDescription>Copy an area of an image to another image ignoring alpha</td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageCopyResized" id=link49 onMouseOver="ShowTip(event, 'tt47', 'link49')" onMouseOut="HideTip('tt47')">gdImageCopyResized</a></td><td class=SDescription>Copy a resized area from an image to another image</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageCopyRotated" id=link50 onMouseOver="ShowTip(event, 'tt48', 'link50')" onMouseOut="HideTip('tt48')">gdImageCopyRotated</a></td><td class=SDescription>Copy a rotated area from an image to another image</td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageCopyResampled" id=link51 onMouseOver="ShowTip(event, 'tt49', 'link51')" onMouseOut="HideTip('tt49')">gdImageCopyResampled</a></td><td class=SDescription>Copy a resampled area from an image to another image</td></tr><tr class="SGroup"><td class=SEntry><a href="#Polygons" >Polygons</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImagePolygon" id=link52 onMouseOver="ShowTip(event, 'tt50', 'link52')" onMouseOut="HideTip('tt50')">gdImagePolygon</a></td><td class=SDescription>Draws a closed polygon</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageOpenPolygon" id=link53 onMouseOver="ShowTip(event, 'tt51', 'link53')" onMouseOut="HideTip('tt51')">gdImageOpenPolygon</a></td><td class=SDescription>Draws an open polygon</td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageFilledPolygon" id=link54 onMouseOver="ShowTip(event, 'tt52', 'link54')" onMouseOut="HideTip('tt52')">gdImageFilledPolygon</a></td><td class=SDescription>Draws a filled polygon</td></tr><tr class="SGroup"><td class=SEntry><a href="#other" >other</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageSetStyle" id=link55 onMouseOver="ShowTip(event, 'tt53', 'link55')" onMouseOut="HideTip('tt53')">gdImageSetStyle</a></td><td class=SDescription>Sets the style for following drawing operations</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageSetThickness" id=link56 onMouseOver="ShowTip(event, 'tt54', 'link56')" onMouseOut="HideTip('tt54')">gdImageSetThickness</a></td><td class=SDescription>Sets the thickness for following drawing operations</td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageSetBrush" id=link57 onMouseOver="ShowTip(event, 'tt55', 'link57')" onMouseOut="HideTip('tt55')">gdImageSetBrush</a></td><td class=SDescription>Sets the brush for following drawing operations</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageSetTile" id=link58 onMouseOver="ShowTip(event, 'tt56', 'link58')" onMouseOut="HideTip('tt56')">gdImageSetTile</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageSetAntiAliased" id=link59 onMouseOver="ShowTip(event, 'tt57', 'link59')" onMouseOut="HideTip('tt57')">gdImageSetAntiAliased</a></td><td class=SDescription>Set the color for subsequent anti-aliased drawing</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageSetAntiAliasedDontBlend" id=link60 onMouseOver="ShowTip(event, 'tt58', 'link60')" onMouseOut="HideTip('tt58')">gdImageSetAntiAliasedDontBlend</a></td><td class=SDescription>Set the color and “dont_blend” color for subsequent anti-aliased drawing</td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageInterlace" id=link61 onMouseOver="ShowTip(event, 'tt59', 'link61')" onMouseOut="HideTip('tt59')">gdImageInterlace</a></td><td class=SDescription>Sets whether an image is interlaced</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageCompare" id=link62 onMouseOver="ShowTip(event, 'tt60', 'link62')" onMouseOut="HideTip('tt60')">gdImageCompare</a></td><td class=SDescription>Compare two images</td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdAlphaBlend" id=link63 onMouseOver="ShowTip(event, 'tt61', 'link63')" onMouseOut="HideTip('tt61')">gdAlphaBlend</a></td><td class=SDescription>Blend two colors</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdLayerOverlay" id=link64 onMouseOver="ShowTip(event, 'tt62', 'link64')" onMouseOut="HideTip('tt62')">gdLayerOverlay</a></td><td class=SDescription>Overlay two colors</td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdLayerMultiply" id=link65 onMouseOver="ShowTip(event, 'tt63', 'link65')" onMouseOut="HideTip('tt63')">gdLayerMultiply</a></td><td class=SDescription>Overlay two colors with multiply effect</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageAlphaBlending" id=link66 onMouseOver="ShowTip(event, 'tt64', 'link66')" onMouseOut="HideTip('tt64')">gdImageAlphaBlending</a></td><td class=SDescription>Set the effect for subsequent drawing operations</td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageSaveAlpha" id=link67 onMouseOver="ShowTip(event, 'tt65', 'link67')" onMouseOut="HideTip('tt65')">gdImageSaveAlpha</a></td><td class=SDescription>Sets the save alpha flag</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageSetClip" id=link68 onMouseOver="ShowTip(event, 'tt66', 'link68')" onMouseOut="HideTip('tt66')">gdImageSetClip</a></td><td class=SDescription>Sets the clipping rectangle</td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageGetClip" id=link69 onMouseOver="ShowTip(event, 'tt67', 'link69')" onMouseOut="HideTip('tt67')">gdImageGetClip</a></td><td class=SDescription>Gets the current clipping rectangle</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageSetResolution" id=link70 onMouseOver="ShowTip(event, 'tt68', 'link70')" onMouseOut="HideTip('tt68')">gdImageSetResolution</a></td><td class=SDescription>Sets the resolution of an image.</td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImagePaletteToTrueColor" id=link71 onMouseOver="ShowTip(event, 'tt69', 'link71')" onMouseOut="HideTip('tt69')">gdImagePaletteToTrueColor</a></td><td class=SDescription>Convert a palette image to true color</td></tr></table></div></div><!--END_ND_SUMMARY--></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="Error_Handling"></a>Error Handling</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdSetErrorMethod"></a>gdSetErrorMethod</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdSetErrorMethod(</td><td class="PType prettyprint " nowrap>gdErrorMethod </td><td class="PParameter prettyprint " nowrap>error_method</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdClearErrorMethod"></a>gdClearErrorMethod</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdClearErrorMethod(</td><td class="PParameter prettyprint " nowrap>void</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="Creation_and_Destruction"></a>Creation and Destruction</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageCreate"></a>gdImageCreate</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>gdImagePtr gdImageCreate (</td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>sx,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>sy</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>gdImageCreate is called to create palette-based images, with no more than 256 colors. The image must eventually be destroyed using gdImageDestroy().</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>sx</td><td class=CDLDescription>The image width.</td></tr><tr><td class=CDLEntry>sy</td><td class=CDLDescription>The image height.</td></tr></table><h4 class=CHeading>Returns</h4><p>A pointer to the new image or NULL if an error occurred.</p><h4 class=CHeading>Example</h4><blockquote><pre class="prettyprint">gdImagePtr im;
im = gdImageCreate(64, 64);
// ... Use the image ...
gdImageDestroy(im);</pre></blockquote><h4 class=CHeading>See Also</h4><p><a href="#gdImageCreateTrueColor" class=LFunction id=link72 onMouseOver="ShowTip(event, 'tt4', 'link72')" onMouseOut="HideTip('tt4')">gdImageCreateTrueColor</a></p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageCreateTrueColor"></a>gdImageCreateTrueColor</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>gdImagePtr gdImageCreateTrueColor (</td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>sx,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>sy</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p><a href="#gdImageCreateTrueColor" class=LFunction id=link73 onMouseOver="ShowTip(event, 'tt4', 'link73')" onMouseOut="HideTip('tt4')">gdImageCreateTrueColor</a> is called to create truecolor images, with an essentially unlimited number of colors. Invoke <a href="#gdImageCreateTrueColor" class=LFunction id=link74 onMouseOver="ShowTip(event, 'tt4', 'link74')" onMouseOut="HideTip('tt4')">gdImageCreateTrueColor</a> with the x and y dimensions of the desired image. <a href="#gdImageCreateTrueColor" class=LFunction id=link75 onMouseOver="ShowTip(event, 'tt4', 'link75')" onMouseOut="HideTip('tt4')">gdImageCreateTrueColor</a> returns a <a href="gd-h.html#gdImagePtr" class=LType id=link76 onMouseOver="ShowTip(event, 'tt70', 'link76')" onMouseOut="HideTip('tt70')">gdImagePtr</a> to the new image, or NULL if unable to allocate the image. The image must eventually be destroyed using <gdImageDestroy>().</p><p>Truecolor images are always filled with black at creation time. There is no concept of a “background” color index.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>sx</td><td class=CDLDescription>The image width.</td></tr><tr><td class=CDLEntry>sy</td><td class=CDLDescription>The image height.</td></tr></table><h4 class=CHeading>Returns</h4><p>A pointer to the new image or NULL if an error occurred.</p><h4 class=CHeading>Example</h4><blockquote><pre class="prettyprint">gdImagePtr im;
im = gdImageCreateTrueColor(64, 64);
// ... Use the image ...
gdImageDestroy(im);</pre></blockquote><h4 class=CHeading>See Also</h4><p><a href="#gdImageCreateTrueColor" class=LFunction id=link77 onMouseOver="ShowTip(event, 'tt4', 'link77')" onMouseOut="HideTip('tt4')">gdImageCreateTrueColor</a></p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageDestroy"></a>gdImageDestroy</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageDestroy (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p><a href="#gdImageDestroy" class=LFunction id=link78 onMouseOver="ShowTip(event, 'tt5', 'link78')" onMouseOut="HideTip('tt5')">gdImageDestroy</a> is used to free the memory associated with an image. It is important to invoke <a href="#gdImageDestroy" class=LFunction id=link79 onMouseOver="ShowTip(event, 'tt5', 'link79')" onMouseOut="HideTip('tt5')">gdImageDestroy</a> before exiting your program or assigning a new image to a <a href="gd-h.html#gdImagePtr" class=LType id=link80 onMouseOver="ShowTip(event, 'tt70', 'link80')" onMouseOut="HideTip('tt70')">gdImagePtr</a> variable.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>Pointer to the gdImage to delete.</td></tr></table><h4 class=CHeading>Returns</h4><p>Nothing.</p><h4 class=CHeading>Example</h4><blockquote><pre class="prettyprint">gdImagePtr im;
im = gdImageCreate(10, 10);
// ... Use the image ...
// Now destroy it
gdImageDestroy(im);</pre></blockquote></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="Color"></a>Color</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageColorClosest"></a>gdImageColorClosest</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorClosest (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>b</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Gets the closest color of the image</p><p>This is a simplified variant of <a href="#gdImageColorClosestAlpha" class=LFunction id=link81 onMouseOver="ShowTip(event, 'tt7', 'link81')" onMouseOut="HideTip('tt7')">gdImageColorClosestAlpha</a> where the alpha channel is always opaque.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>r</td><td class=CDLDescription>The value of the red component.</td></tr><tr><td class=CDLEntry>g</td><td class=CDLDescription>The value of the green component.</td></tr><tr><td class=CDLEntry>b</td><td class=CDLDescription>The value of the blue component.</td></tr></table><h4 class=CHeading>Returns</h4><p>The closest color already available in the palette for palette images; the color value of the given components for truecolor images.</p><h4 class=CHeading>See also</h4><ul><li><a href="#gdImageColorExact" class=LFunction id=link82 onMouseOver="ShowTip(event, 'tt9', 'link82')" onMouseOut="HideTip('tt9')">gdImageColorExact</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageColorClosestAlpha"></a>gdImageColorClosestAlpha</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorClosestAlpha (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>b,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>a</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Gets the closest color of the image</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>r</td><td class=CDLDescription>The value of the red component.</td></tr><tr><td class=CDLEntry>g</td><td class=CDLDescription>The value of the green component.</td></tr><tr><td class=CDLEntry>b</td><td class=CDLDescription>The value of the blue component.</td></tr><tr><td class=CDLEntry>a</td><td class=CDLDescription>The value of the alpha component.</td></tr></table><h4 class=CHeading>Returns</h4><p>The closest color already available in the palette for palette images; the color value of the given components for truecolor images.</p><h4 class=CHeading>See also</h4><ul><li><a href="#gdImageColorExactAlpha" class=LFunction id=link83 onMouseOver="ShowTip(event, 'tt10', 'link83')" onMouseOut="HideTip('tt10')">gdImageColorExactAlpha</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageColorClosestHWB"></a>gdImageColorClosestHWB</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorClosestHWB (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>b</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageColorExact"></a>gdImageColorExact</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorExact (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>b</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Gets the exact color of the image</p><p>This is a simplified variant of <a href="#gdImageColorExactAlpha" class=LFunction id=link84 onMouseOver="ShowTip(event, 'tt10', 'link84')" onMouseOut="HideTip('tt10')">gdImageColorExactAlpha</a> where the alpha channel is always opaque.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>r</td><td class=CDLDescription>The value of the red component.</td></tr><tr><td class=CDLEntry>g</td><td class=CDLDescription>The value of the green component.</td></tr><tr><td class=CDLEntry>b</td><td class=CDLDescription>The value of the blue component.</td></tr></table><h4 class=CHeading>Returns</h4><p>The exact color already available in the palette for palette images; if there is no exact color, -1 is returned. For truecolor images the color value of the given components is returned.</p><h4 class=CHeading>See also</h4><ul><li><a href="#gdImageColorClosest" class=LFunction id=link85 onMouseOver="ShowTip(event, 'tt6', 'link85')" onMouseOut="HideTip('tt6')">gdImageColorClosest</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageColorExactAlpha"></a>gdImageColorExactAlpha</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorExactAlpha (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>b,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>a</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Gets the exact color of the image</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>r</td><td class=CDLDescription>The value of the red component.</td></tr><tr><td class=CDLEntry>g</td><td class=CDLDescription>The value of the green component.</td></tr><tr><td class=CDLEntry>b</td><td class=CDLDescription>The value of the blue component.</td></tr><tr><td class=CDLEntry>a</td><td class=CDLDescription>The value of the alpha component.</td></tr></table><h4 class=CHeading>Returns</h4><p>The exact color already available in the palette for palette images; if there is no exact color, -1 is returned. For truecolor images the color value of the given components is returned.</p><h4 class=CHeading>See also</h4><ul><li><a href="#gdImageColorClosestAlpha" class=LFunction id=link86 onMouseOver="ShowTip(event, 'tt7', 'link86')" onMouseOut="HideTip('tt7')">gdImageColorClosestAlpha</a></li><li><a href="gd-h.html#gdTrueColorAlpha" class=LMacro id=link87 onMouseOver="ShowTip(event, 'tt71', 'link87')" onMouseOut="HideTip('tt71')">gdTrueColorAlpha</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageColorAllocate"></a>gdImageColorAllocate</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorAllocate (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>b</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Allocates a color</p><p>This is a simplified variant of <a href="#gdImageColorAllocateAlpha" class=LFunction id=link88 onMouseOver="ShowTip(event, 'tt12', 'link88')" onMouseOut="HideTip('tt12')">gdImageColorAllocateAlpha</a> where the alpha channel is always opaque.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>r</td><td class=CDLDescription>The value of the red component.</td></tr><tr><td class=CDLEntry>g</td><td class=CDLDescription>The value of the green component.</td></tr><tr><td class=CDLEntry>b</td><td class=CDLDescription>The value of the blue component.</td></tr></table><h4 class=CHeading>Returns</h4><p>The color value.</p><h4 class=CHeading>See also</h4><ul><li><a href="#gdImageColorDeallocate" class=LFunction id=link89 onMouseOver="ShowTip(event, 'tt15', 'link89')" onMouseOut="HideTip('tt15')">gdImageColorDeallocate</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageColorAllocateAlpha"></a>gdImageColorAllocateAlpha</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorAllocateAlpha (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>b,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>a</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Allocates a color</p><p>This is typically used for palette images, but can be used for truecolor images as well.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>r</td><td class=CDLDescription>The value of the red component.</td></tr><tr><td class=CDLEntry>g</td><td class=CDLDescription>The value of the green component.</td></tr><tr><td class=CDLEntry>b</td><td class=CDLDescription>The value of the blue component.</td></tr></table><h4 class=CHeading>Returns</h4><p>The color value.</p><h4 class=CHeading>See also</h4><ul><li><a href="#gdImageColorDeallocate" class=LFunction id=link90 onMouseOver="ShowTip(event, 'tt15', 'link90')" onMouseOut="HideTip('tt15')">gdImageColorDeallocate</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageColorResolve"></a>gdImageColorResolve</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorResolve (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>b</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>gdImageColorResolve is an alternative for the code fragment</p><blockquote><pre class="prettyprint">if ((color=gdImageColorExact(im,R,G,B)) < 0)
if ((color=gdImageColorAllocate(im,R,G,B)) < 0)
color=gdImageColorClosest(im,R,G,B);</pre></blockquote><p>in a single function. Its advantage is that it is guaranteed to return a color index in one search over the color table.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageColorResolveAlpha"></a>gdImageColorResolveAlpha</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorResolveAlpha (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>b,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>a</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageColorDeallocate"></a>gdImageColorDeallocate</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageColorDeallocate (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Removes a palette entry</p><p>This is a no-op for truecolor images.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>color</td><td class=CDLDescription>The palette index.</td></tr></table><h4 class=CHeading>See also</h4><ul><li><a href="#gdImageColorAllocate" class=LFunction id=link91 onMouseOver="ShowTip(event, 'tt11', 'link91')" onMouseOut="HideTip('tt11')">gdImageColorAllocate</a></li><li><a href="#gdImageColorAllocateAlpha" class=LFunction id=link92 onMouseOver="ShowTip(event, 'tt12', 'link92')" onMouseOut="HideTip('tt12')">gdImageColorAllocateAlpha</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageColorTransparent"></a>gdImageColorTransparent</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageColorTransparent (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets the transparent color of the image</p><h4 class=CHeading>Parameter</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>color</td><td class=CDLDescription>The color.</td></tr></table><h4 class=CHeading>See also</h4><ul><li><a href="gd-h.html#gdImageGetTransparent" class=LMacro id=link93 onMouseOver="ShowTip(event, 'tt72', 'link93')" onMouseOut="HideTip('tt72')">gdImageGetTransparent</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImagePaletteCopy"></a>gdImagePaletteCopy</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImagePaletteCopy (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>to,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>from</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageColorReplace"></a>gdImageColorReplace</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorReplace (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dst</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageColorReplaceThreshold"></a>gdImageColorReplaceThreshold</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorReplaceThreshold (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>float </td><td class="PParameter prettyprint " nowrap>threshold</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageColorReplaceArray"></a>gdImageColorReplaceArray</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorReplaceArray (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>len,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>dst</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageColorReplaceCallback"></a>gdImageColorReplaceCallback</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorReplaceCallback (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdCallbackImageColor </td><td class="PParameter prettyprint " nowrap>callback</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="Pixels"></a>Pixels</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageSetPixel"></a>gdImageSetPixel</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageSetPixel (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageGetPixel"></a>gdImageGetPixel</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageGetPixel (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Gets a pixel color as stored in the image.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>x</td><td class=CDLDescription>The x-coordinate.</td></tr><tr><td class=CDLEntry>y</td><td class=CDLDescription>The y-coordinate.</td></tr></table><h4 class=CHeading>See also</h4><ul><li><a href="#gdImageGetTrueColorPixel" class=LFunction id=link94 onMouseOver="ShowTip(event, 'tt24', 'link94')" onMouseOut="HideTip('tt24')">gdImageGetTrueColorPixel</a></li><li><a href="gd-h.html#gdImagePalettePixel" class=LMacro id=link95 onMouseOver="ShowTip(event, 'tt73', 'link95')" onMouseOut="HideTip('tt73')">gdImagePalettePixel</a></li><li><a href="gd-h.html#gdImageTrueColorPixel" class=LMacro id=link96 onMouseOver="ShowTip(event, 'tt74', 'link96')" onMouseOut="HideTip('tt74')">gdImageTrueColorPixel</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageGetTrueColorPixel"></a>gdImageGetTrueColorPixel</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageGetTrueColorPixel (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Gets a pixel color always as truecolor value.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>x</td><td class=CDLDescription>The x-coordinate.</td></tr><tr><td class=CDLEntry>y</td><td class=CDLDescription>The y-coordinate.</td></tr></table><h4 class=CHeading>See also</h4><ul><li><a href="#gdImageGetPixel" class=LFunction id=link97 onMouseOver="ShowTip(event, 'tt23', 'link97')" onMouseOut="HideTip('tt23')">gdImageGetPixel</a></li><li><a href="gd-h.html#gdImageTrueColorPixel" class=LMacro id=link98 onMouseOver="ShowTip(event, 'tt74', 'link98')" onMouseOut="HideTip('tt74')">gdImageTrueColorPixel</a></li></ul></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="Primitives"></a>Primitives</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageAABlend"></a>gdImageAABlend</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageAABlend (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>NO-OP, kept for library compatibility.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageLine"></a>gdImageLine</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageLine (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x1,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y1,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x2,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y2,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Bresenham as presented in Foley & Van Dam.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageDashedLine"></a>gdImageDashedLine</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageDashedLine (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x1,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y1,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x2,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y2,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageBoundsSafe"></a>gdImageBoundsSafe</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageBoundsSafe (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageChar"></a>gdImageChar</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageChar (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdFontPtr </td><td class="PParameter prettyprint " nowrap>f,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>c,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Draws a single character.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image to draw onto.</td></tr><tr><td class=CDLEntry>f</td><td class=CDLDescription>The raster font.</td></tr><tr><td class=CDLEntry>x</td><td class=CDLDescription>The x coordinate of the upper left pixel.</td></tr><tr><td class=CDLEntry>y</td><td class=CDLDescription>The y coordinate of the upper left pixel.</td></tr><tr><td class=CDLEntry>c</td><td class=CDLDescription>The character.</td></tr><tr><td class=CDLEntry>color</td><td class=CDLDescription>The color.</td></tr></table><h4 class=CHeading>Variants</h4><ul><li><a href="#gdImageCharUp" class=LFunction id=link99 onMouseOver="ShowTip(event, 'tt30', 'link99')" onMouseOut="HideTip('tt30')">gdImageCharUp</a></li></ul><h4 class=CHeading>See also</h4><ul><li><a href="gd-h.html#gdFontPtr" class=LType id=link100 onMouseOver="ShowTip(event, 'tt75', 'link100')" onMouseOut="HideTip('tt75')">gdFontPtr</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageCharUp"></a>gdImageCharUp</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageCharUp (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdFontPtr </td><td class="PParameter prettyprint " nowrap>f,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>c,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageString"></a>gdImageString</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageString (</td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>gdFontPtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>f,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap>unsigned </td><td class="PType prettyprint " nowrap>char </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>s,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Draws a character string.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image to draw onto.</td></tr><tr><td class=CDLEntry>f</td><td class=CDLDescription>The raster font.</td></tr><tr><td class=CDLEntry>x</td><td class=CDLDescription>The x coordinate of the upper left pixel.</td></tr><tr><td class=CDLEntry>y</td><td class=CDLDescription>The y coordinate of the upper left pixel.</td></tr><tr><td class=CDLEntry>c</td><td class=CDLDescription>The character string.</td></tr><tr><td class=CDLEntry>color</td><td class=CDLDescription>The color.</td></tr></table><h4 class=CHeading>Variants</h4><ul><li><a href="#gdImageStringUp" class=LFunction id=link101 onMouseOver="ShowTip(event, 'tt32', 'link101')" onMouseOut="HideTip('tt32')">gdImageStringUp</a></li><li><a href="#gdImageString16" class=LFunction id=link102 onMouseOver="ShowTip(event, 'tt33', 'link102')" onMouseOut="HideTip('tt33')">gdImageString16</a></li><li><a href="#gdImageStringUp16" class=LFunction id=link103 onMouseOver="ShowTip(event, 'tt34', 'link103')" onMouseOut="HideTip('tt34')">gdImageStringUp16</a></li></ul><h4 class=CHeading>See also</h4><ul><li><a href="gd-h.html#gdFontPtr" class=LType id=link104 onMouseOver="ShowTip(event, 'tt75', 'link104')" onMouseOut="HideTip('tt75')">gdFontPtr</a></li><li><a href="gdft-c.html#gdImageStringTTF" class=LFunction id=link105 onMouseOver="ShowTip(event, 'tt76', 'link105')" onMouseOut="HideTip('tt76')">gdImageStringTTF</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageStringUp"></a>gdImageStringUp</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageStringUp (</td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>gdFontPtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>f,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap>unsigned </td><td class="PType prettyprint " nowrap>char </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>s,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageString16"></a>gdImageString16</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageString16 (</td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>gdFontPtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>f,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap>unsigned </td><td class="PType prettyprint " nowrap>short </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>s,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageStringUp16"></a>gdImageStringUp16</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageStringUp16 (</td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>gdFontPtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>f,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap>unsigned </td><td class="PType prettyprint " nowrap>short </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>s,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageArc"></a>gdImageArc</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageArc (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>cx,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>cy,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>h,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>s,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>e,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageFilledArc"></a>gdImageFilledArc</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageFilledArc (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>cx,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>cy,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>h,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>s,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>e,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>style</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageEllipse"></a>gdImageEllipse</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageEllipse(</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>mx,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>my,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>h,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>c</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageFilledEllipse"></a>gdImageFilledEllipse</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageFilledEllipse (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>mx,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>my,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>h,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>c</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageFillToBorder"></a>gdImageFillToBorder</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageFillToBorder (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>border,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageFill"></a>gdImageFill</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageFill(</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>nc</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageRectangle"></a>gdImageRectangle</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageRectangle (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x1,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y1,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x2,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y2,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Draws a rectangle.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>x1</td><td class=CDLDescription>The x-coordinate of the upper left corner.</td></tr><tr><td class=CDLEntry>y1</td><td class=CDLDescription>The y-coordinate of the upper left corner.</td></tr><tr><td class=CDLEntry>x2</td><td class=CDLDescription>The x-coordinate of the lower right corner.</td></tr><tr><td class=CDLEntry>y2</td><td class=CDLDescription>The y-coordinate of the lower right corner.</td></tr><tr><td class=CDLEntry>color</td><td class=CDLDescription>The color.</td></tr></table><p>Note that x1,y1 and x2,y2 may be swapped, i.e. the former may designate the lower right corner and the latter the upper left corner. The behavior for specifying other corners is undefined.</p><h4 class=CHeading>See also</h4><ul><li><a href="#gdImageFilledRectangle" class=LFunction id=link106 onMouseOver="ShowTip(event, 'tt42', 'link106')" onMouseOut="HideTip('tt42')">gdImageFilledRectangle</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageFilledRectangle"></a>gdImageFilledRectangle</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageFilledRectangle (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x1,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y1,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x2,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y2,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="Cloning_and_Copying"></a>Cloning and Copying</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageClone"></a>gdImageClone</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>gdImagePtr gdImageClone (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>src</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Clones an image</p><p>Creates an exact duplicate of the given image.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>src</td><td class=CDLDescription>The source image.</td></tr></table><h4 class=CHeading>Returns</h4><p>The cloned image on success, NULL on failure.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageCopy"></a>gdImageCopy</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageCopy (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>h</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Copy an area of an image to another image</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>dst</td><td class=CDLDescription>The destination image.</td></tr><tr><td class=CDLEntry>src</td><td class=CDLDescription>The source image.</td></tr><tr><td class=CDLEntry>dstX</td><td class=CDLDescription>The x-coordinate of the upper left corner to copy to.</td></tr><tr><td class=CDLEntry>dstY</td><td class=CDLDescription>The y-coordinate of the upper left corner to copy to.</td></tr><tr><td class=CDLEntry>srcX</td><td class=CDLDescription>The x-coordinate of the upper left corner to copy from.</td></tr><tr><td class=CDLEntry>srcY</td><td class=CDLDescription>The y-coordinate of the upper left corner to copy from.</td></tr><tr><td class=CDLEntry>w</td><td class=CDLDescription>The width of the area to copy.</td></tr><tr><td class=CDLEntry>h</td><td class=CDLDescription>The height of the area to copy.</td></tr></table><h4 class=CHeading>See also</h4><ul><li><a href="#gdImageCopyMerge" class=LFunction id=link107 onMouseOver="ShowTip(event, 'tt45', 'link107')" onMouseOut="HideTip('tt45')">gdImageCopyMerge</a></li><li><a href="#gdImageCopyMergeGray" class=LFunction id=link108 onMouseOver="ShowTip(event, 'tt46', 'link108')" onMouseOut="HideTip('tt46')">gdImageCopyMergeGray</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageCopyMerge"></a>gdImageCopyMerge</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageCopyMerge (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>h,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>pct</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Copy an area of an image to another image ignoring alpha</p><p>The source area will be copied to the destination are by merging the pixels.</p><h4 class=CHeading>Note</h4><p>This function is a substitute for real alpha channel operations, so it doesn’t pay attention to the alpha channel.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>dst</td><td class=CDLDescription>The destination image.</td></tr><tr><td class=CDLEntry>src</td><td class=CDLDescription>The source image.</td></tr><tr><td class=CDLEntry>dstX</td><td class=CDLDescription>The x-coordinate of the upper left corner to copy to.</td></tr><tr><td class=CDLEntry>dstY</td><td class=CDLDescription>The y-coordinate of the upper left corner to copy to.</td></tr><tr><td class=CDLEntry>srcX</td><td class=CDLDescription>The x-coordinate of the upper left corner to copy from.</td></tr><tr><td class=CDLEntry>srcY</td><td class=CDLDescription>The y-coordinate of the upper left corner to copy from.</td></tr><tr><td class=CDLEntry>w</td><td class=CDLDescription>The width of the area to copy.</td></tr><tr><td class=CDLEntry>h</td><td class=CDLDescription>The height of the area to copy.</td></tr><tr><td class=CDLEntry>pct</td><td class=CDLDescription>The percentage in range 0..100.</td></tr></table><h4 class=CHeading>See also</h4><ul><li><a href="#gdImageCopy" class=LFunction id=link109 onMouseOver="ShowTip(event, 'tt44', 'link109')" onMouseOut="HideTip('tt44')">gdImageCopy</a></li><li><a href="#gdImageCopyMergeGray" class=LFunction id=link110 onMouseOver="ShowTip(event, 'tt46', 'link110')" onMouseOut="HideTip('tt46')">gdImageCopyMergeGray</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageCopyMergeGray"></a>gdImageCopyMergeGray</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageCopyMergeGray (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>h,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>pct</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Copy an area of an image to another image ignoring alpha</p><p>The source area will be copied to the grayscaled destination area by merging the pixels.</p><h4 class=CHeading>Note</h4><p>This function is a substitute for real alpha channel operations, so it doesn’t pay attention to the alpha channel.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>dst</td><td class=CDLDescription>The destination image.</td></tr><tr><td class=CDLEntry>src</td><td class=CDLDescription>The source image.</td></tr><tr><td class=CDLEntry>dstX</td><td class=CDLDescription>The x-coordinate of the upper left corner to copy to.</td></tr><tr><td class=CDLEntry>dstY</td><td class=CDLDescription>The y-coordinate of the upper left corner to copy to.</td></tr><tr><td class=CDLEntry>srcX</td><td class=CDLDescription>The x-coordinate of the upper left corner to copy from.</td></tr><tr><td class=CDLEntry>srcY</td><td class=CDLDescription>The y-coordinate of the upper left corner to copy from.</td></tr><tr><td class=CDLEntry>w</td><td class=CDLDescription>The width of the area to copy.</td></tr><tr><td class=CDLEntry>h</td><td class=CDLDescription>The height of the area to copy.</td></tr><tr><td class=CDLEntry>pct</td><td class=CDLDescription>The percentage of the source color intensity in range 0..100.</td></tr></table><h4 class=CHeading>See also</h4><ul><li><a href="#gdImageCopy" class=LFunction id=link111 onMouseOver="ShowTip(event, 'tt44', 'link111')" onMouseOut="HideTip('tt44')">gdImageCopy</a></li><li><a href="#gdImageCopyMerge" class=LFunction id=link112 onMouseOver="ShowTip(event, 'tt45', 'link112')" onMouseOut="HideTip('tt45')">gdImageCopyMerge</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageCopyResized"></a>gdImageCopyResized</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageCopyResized (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstW,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstH,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcW,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcH</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Copy a resized area from an image to another image</p><p>If the source and destination area differ in size, the area will be resized using nearest-neighbor interpolation.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>dst</td><td class=CDLDescription>The destination image.</td></tr><tr><td class=CDLEntry>src</td><td class=CDLDescription>The source image.</td></tr><tr><td class=CDLEntry>dstX</td><td class=CDLDescription>The x-coordinate of the upper left corner to copy to.</td></tr><tr><td class=CDLEntry>dstY</td><td class=CDLDescription>The y-coordinate of the upper left corner to copy to.</td></tr><tr><td class=CDLEntry>srcX</td><td class=CDLDescription>The x-coordinate of the upper left corner to copy from.</td></tr><tr><td class=CDLEntry>srcY</td><td class=CDLDescription>The y-coordinate of the upper left corner to copy from.</td></tr><tr><td class=CDLEntry>dstW</td><td class=CDLDescription>The width of the area to copy to.</td></tr><tr><td class=CDLEntry>dstH</td><td class=CDLDescription>The height of the area to copy to.</td></tr><tr><td class=CDLEntry>srcW</td><td class=CDLDescription>The width of the area to copy from.</td></tr><tr><td class=CDLEntry>srcH</td><td class=CDLDescription>The height of the area to copy from.</td></tr></table><h4 class=CHeading>See also</h4><ul><li><a href="#gdImageCopyResampled" class=LFunction id=link113 onMouseOver="ShowTip(event, 'tt49', 'link113')" onMouseOut="HideTip('tt49')">gdImageCopyResampled</a></li><li><a href="gd_interpolation-c.html#gdImageScale" class=LFunction id=link114 onMouseOver="ShowTip(event, 'tt77', 'link114')" onMouseOut="HideTip('tt77')">gdImageScale</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageCopyRotated"></a>gdImageCopyRotated</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageCopyRotated (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>double </td><td class="PParameter prettyprint " nowrap>dstX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>double </td><td class="PParameter prettyprint " nowrap>dstY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcWidth,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcHeight,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>angle</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Copy a rotated area from an image to another image</p><p>The area is counter-clockwise rotated using nearest-neighbor interpolation.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>dst</td><td class=CDLDescription>The destination image.</td></tr><tr><td class=CDLEntry>src</td><td class=CDLDescription>The source image.</td></tr><tr><td class=CDLEntry>dstX</td><td class=CDLDescription>The x-coordinate of the center of the area to copy to.</td></tr><tr><td class=CDLEntry>dstY</td><td class=CDLDescription>The y-coordinate of the center of the area to copy to.</td></tr><tr><td class=CDLEntry>srcX</td><td class=CDLDescription>The x-coordinate of the upper left corner to copy from.</td></tr><tr><td class=CDLEntry>srcY</td><td class=CDLDescription>The y-coordinate of the upper left corner to copy from.</td></tr><tr><td class=CDLEntry>srcW</td><td class=CDLDescription>The width of the area to copy from.</td></tr><tr><td class=CDLEntry>srcH</td><td class=CDLDescription>The height of the area to copy from.</td></tr><tr><td class=CDLEntry>angle</td><td class=CDLDescription>The angle in degrees.</td></tr></table><h4 class=CHeading>See also</h4><ul><li><a href="gd_interpolation-c.html#gdImageRotateInterpolated" class=LFunction id=link115 onMouseOver="ShowTip(event, 'tt78', 'link115')" onMouseOut="HideTip('tt78')">gdImageRotateInterpolated</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageCopyResampled"></a>gdImageCopyResampled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageCopyResampled (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstW,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstH,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcW,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcH</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Copy a resampled area from an image to another image</p><p>If the source and destination area differ in size, the area will be resized using bilinear interpolation for truecolor images, and nearest-neighbor interpolation for palette images.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>dst</td><td class=CDLDescription>The destination image.</td></tr><tr><td class=CDLEntry>src</td><td class=CDLDescription>The source image.</td></tr><tr><td class=CDLEntry>dstX</td><td class=CDLDescription>The x-coordinate of the upper left corner to copy to.</td></tr><tr><td class=CDLEntry>dstY</td><td class=CDLDescription>The y-coordinate of the upper left corner to copy to.</td></tr><tr><td class=CDLEntry>srcX</td><td class=CDLDescription>The x-coordinate of the upper left corner to copy from.</td></tr><tr><td class=CDLEntry>srcY</td><td class=CDLDescription>The y-coordinate of the upper left corner to copy from.</td></tr><tr><td class=CDLEntry>dstW</td><td class=CDLDescription>The width of the area to copy to.</td></tr><tr><td class=CDLEntry>dstH</td><td class=CDLDescription>The height of the area to copy to.</td></tr><tr><td class=CDLEntry>srcW</td><td class=CDLDescription>The width of the area to copy from.</td></tr><tr><td class=CDLEntry>srcH</td><td class=CDLDescription>The height of the area to copy from.</td></tr></table><h4 class=CHeading>See also</h4><ul><li><a href="#gdImageCopyResized" class=LFunction id=link116 onMouseOver="ShowTip(event, 'tt47', 'link116')" onMouseOut="HideTip('tt47')">gdImageCopyResized</a></li><li><a href="gd_interpolation-c.html#gdImageScale" class=LFunction id=link117 onMouseOver="ShowTip(event, 'tt77', 'link117')" onMouseOut="HideTip('tt77')">gdImageScale</a></li></ul></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="Polygons"></a>Polygons</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImagePolygon"></a>gdImagePolygon</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImagePolygon (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdPointPtr </td><td class="PParameter prettyprint " nowrap>p,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>n,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>c</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Draws a closed polygon</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>p</td><td class=CDLDescription>The vertices as array of <a href="gd-h.html#gdPoint" class=LType >gdPoint</a>s.</td></tr><tr><td class=CDLEntry>n</td><td class=CDLDescription>The number of vertices.</td></tr><tr><td class=CDLEntry>c</td><td class=CDLDescription>The color.</td></tr></table><h4 class=CHeading>See also</h4><ul><li><a href="#gdImageOpenPolygon" class=LFunction id=link118 onMouseOver="ShowTip(event, 'tt51', 'link118')" onMouseOut="HideTip('tt51')">gdImageOpenPolygon</a></li><li><a href="#gdImageFilledPolygon" class=LFunction id=link119 onMouseOver="ShowTip(event, 'tt52', 'link119')" onMouseOut="HideTip('tt52')">gdImageFilledPolygon</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageOpenPolygon"></a>gdImageOpenPolygon</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageOpenPolygon (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdPointPtr </td><td class="PParameter prettyprint " nowrap>p,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>n,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>c</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Draws an open polygon</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>p</td><td class=CDLDescription>The vertices as array of <a href="gd-h.html#gdPoint" class=LType >gdPoint</a>s.</td></tr><tr><td class=CDLEntry>n</td><td class=CDLDescription>The number of vertices.</td></tr><tr><td class=CDLEntry>c</td><td class=CDLDescription>The color</td></tr></table><h4 class=CHeading>See also</h4><ul><li><a href="#gdImagePolygon" class=LFunction id=link120 onMouseOver="ShowTip(event, 'tt50', 'link120')" onMouseOut="HideTip('tt50')">gdImagePolygon</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageFilledPolygon"></a>gdImageFilledPolygon</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageFilledPolygon (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdPointPtr </td><td class="PParameter prettyprint " nowrap>p,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>n,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>c</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Draws a filled polygon</p><p>The polygon is filled using the even-odd fillrule what can leave unfilled regions inside of self-intersecting polygons. This behavior might change in a future version.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>p</td><td class=CDLDescription>The vertices as array of <a href="gd-h.html#gdPoint" class=LType >gdPoint</a>s.</td></tr><tr><td class=CDLEntry>n</td><td class=CDLDescription>The number of vertices.</td></tr><tr><td class=CDLEntry>c</td><td class=CDLDescription>The color</td></tr></table><h4 class=CHeading>See also</h4><ul><li><a href="#gdImagePolygon" class=LFunction id=link121 onMouseOver="ShowTip(event, 'tt50', 'link121')" onMouseOut="HideTip('tt50')">gdImagePolygon</a></li></ul></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="other"></a>other</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageSetStyle"></a>gdImageSetStyle</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageSetStyle (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>style,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>noOfPixels</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets the style for following drawing operations</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>style</td><td class=CDLDescription>An array of color values.</td></tr><tr><td class=CDLEntry>noOfPixel</td><td class=CDLDescription>The number of color values.</td></tr></table></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageSetThickness"></a>gdImageSetThickness</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageSetThickness (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>thickness</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets the thickness for following drawing operations</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>thickness</td><td class=CDLDescription>The thickness in pixels.</td></tr></table></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageSetBrush"></a>gdImageSetBrush</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageSetBrush (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>brush</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets the brush for following drawing operations</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>brush</td><td class=CDLDescription>The brush image.</td></tr></table></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageSetTile"></a>gdImageSetTile</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageSetTile (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>tile</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageSetAntiAliased"></a>gdImageSetAntiAliased</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageSetAntiAliased (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>c</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Set the color for subsequent anti-aliased drawing</p><p>If <a href="gd-h.html#gdAntiAliased" class=LConstant id=link122 onMouseOver="ShowTip(event, 'tt79', 'link122')" onMouseOut="HideTip('tt79')">gdAntiAliased</a> is passed as color to drawing operations that support anti-aliased drawing (such as <a href="#gdImageLine" class=LFunction id=link123 onMouseOver="ShowTip(event, 'tt26', 'link123')" onMouseOut="HideTip('tt26')">gdImageLine</a> and <a href="#gdImagePolygon" class=LFunction id=link124 onMouseOver="ShowTip(event, 'tt50', 'link124')" onMouseOut="HideTip('tt50')">gdImagePolygon</a>), the actual color to be used can be set with this function.</p><h4 class=CHeading>Example: draw an anti-aliased blue line</h4><blockquote><pre>gdImageSetAntiAliased(im, gdTrueColorAlpha(0, 0, gdBlueMax, gdAlphaOpaque));
gdImageLine(im, 10,10, 20,20, gdAntiAliased);</pre></blockquote><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>c</td><td class=CDLDescription>The color.</td></tr></table><h4 class=CHeading>See also</h4><ul><li><a href="#gdImageSetAntiAliasedDontBlend" class=LFunction id=link125 onMouseOver="ShowTip(event, 'tt58', 'link125')" onMouseOut="HideTip('tt58')">gdImageSetAntiAliasedDontBlend</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageSetAntiAliasedDontBlend"></a>gdImageSetAntiAliasedDontBlend</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageSetAntiAliasedDontBlend (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>c,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dont_blend</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Set the color and “dont_blend” color for subsequent anti-aliased drawing</p><p>This extended variant of <a href="#gdImageSetAntiAliased" class=LFunction id=link126 onMouseOver="ShowTip(event, 'tt57', 'link126')" onMouseOut="HideTip('tt57')">gdImageSetAntiAliased</a> allows to also specify a (background) color that will not be blended in anti-aliased drawing operations.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>c</td><td class=CDLDescription>The color.</td></tr><tr><td class=CDLEntry>dont_blend</td><td class=CDLDescription>Whether to blend.</td></tr></table></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageInterlace"></a>gdImageInterlace</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageInterlace (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>interlaceArg</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets whether an image is interlaced</p><p>This is relevant only when saving the image in a format that supports interlacing.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>interlaceArg</td><td class=CDLDescription>Whether the image is interlaced.</td></tr></table><h4 class=CHeading>See also</h4><ul><li><a href="gd-h.html#gdImageGetInterlaced" class=LMacro id=link127 onMouseOver="ShowTip(event, 'tt80', 'link127')" onMouseOut="HideTip('tt80')">gdImageGetInterlaced</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageCompare"></a>gdImageCompare</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageCompare (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im1,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im2</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Compare two images</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im1</td><td class=CDLDescription>An image.</td></tr><tr><td class=CDLEntry>im2</td><td class=CDLDescription>Another image.</td></tr></table><h4 class=CHeading>Returns</h4><p>A bitmask of <a href="gd-h.html#Image_Comparison" class=LGroup >Image Comparison</a> flags where each set flag signals which attributes of the images are different.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdAlphaBlend"></a>gdAlphaBlend</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdAlphaBlend (</td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>src</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Blend two colors</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>dst</td><td class=CDLDescription>The color to blend onto.</td></tr><tr><td class=CDLEntry>src</td><td class=CDLDescription>The color to blend.</td></tr></table><h4 class=CHeading>See also</h4><ul><li><a href="#gdImageAlphaBlending" class=LFunction id=link128 onMouseOver="ShowTip(event, 'tt64', 'link128')" onMouseOut="HideTip('tt64')">gdImageAlphaBlending</a></li><li><a href="#gdLayerOverlay" class=LFunction id=link129 onMouseOver="ShowTip(event, 'tt62', 'link129')" onMouseOut="HideTip('tt62')">gdLayerOverlay</a></li><li><a href="#gdLayerMultiply" class=LFunction id=link130 onMouseOver="ShowTip(event, 'tt63', 'link130')" onMouseOut="HideTip('tt63')">gdLayerMultiply</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdLayerOverlay"></a>gdLayerOverlay</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdLayerOverlay (</td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>src</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Overlay two colors</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>dst</td><td class=CDLDescription>The color to overlay onto.</td></tr><tr><td class=CDLEntry>src</td><td class=CDLDescription>The color to overlay.</td></tr></table><h4 class=CHeading>See also</h4><ul><li><a href="#gdImageAlphaBlending" class=LFunction id=link131 onMouseOver="ShowTip(event, 'tt64', 'link131')" onMouseOut="HideTip('tt64')">gdImageAlphaBlending</a></li><li><a href="#gdAlphaBlend" class=LFunction id=link132 onMouseOver="ShowTip(event, 'tt61', 'link132')" onMouseOut="HideTip('tt61')">gdAlphaBlend</a></li><li><a href="#gdLayerMultiply" class=LFunction id=link133 onMouseOver="ShowTip(event, 'tt63', 'link133')" onMouseOut="HideTip('tt63')">gdLayerMultiply</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdLayerMultiply"></a>gdLayerMultiply</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdLayerMultiply (</td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>src</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Overlay two colors with multiply effect</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>dst</td><td class=CDLDescription>The color to overlay onto.</td></tr><tr><td class=CDLEntry>src</td><td class=CDLDescription>The color to overlay.</td></tr></table><h4 class=CHeading>See also</h4><ul><li><a href="#gdImageAlphaBlending" class=LFunction id=link134 onMouseOver="ShowTip(event, 'tt64', 'link134')" onMouseOut="HideTip('tt64')">gdImageAlphaBlending</a></li><li><a href="#gdAlphaBlend" class=LFunction id=link135 onMouseOver="ShowTip(event, 'tt61', 'link135')" onMouseOut="HideTip('tt61')">gdAlphaBlend</a></li><li><a href="#gdLayerOverlay" class=LFunction id=link136 onMouseOver="ShowTip(event, 'tt62', 'link136')" onMouseOut="HideTip('tt62')">gdLayerOverlay</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageAlphaBlending"></a>gdImageAlphaBlending</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageAlphaBlending (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>alphaBlendingArg</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Set the effect for subsequent drawing operations</p><p>Note that the effect is used for truecolor images only.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>alphaBlendingArg</td><td class=CDLDescription>The effect.</td></tr></table><h4 class=CHeading>See also</h4><ul><li><a href="gd-h.html#Effects" class=LGroup id=link137 onMouseOver="ShowTip(event, 'tt81', 'link137')" onMouseOut="HideTip('tt81')">Effects</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageSaveAlpha"></a>gdImageSaveAlpha</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageSaveAlpha (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>saveAlphaArg</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets the save alpha flag</p><p>The save alpha flag specifies whether the alpha channel of the pixels should be saved. This is supported only for image formats that support full alpha transparency, e.g. PNG.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageSetClip"></a>gdImageSetClip</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageSetClip (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x1,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y1,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x2,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y2</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets the clipping rectangle</p><p>The clipping rectangle restricts the drawing area for following drawing operations.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>x1</td><td class=CDLDescription>The x-coordinate of the upper left corner.</td></tr><tr><td class=CDLEntry>y1</td><td class=CDLDescription>The y-coordinate of the upper left corner.</td></tr><tr><td class=CDLEntry>x2</td><td class=CDLDescription>The x-coordinate of the lower right corner.</td></tr><tr><td class=CDLEntry>y2</td><td class=CDLDescription>The y-coordinate of the lower right corner.</td></tr></table><h4 class=CHeading>See also</h4><ul><li><a href="#gdImageGetClip" class=LFunction id=link138 onMouseOver="ShowTip(event, 'tt67', 'link138')" onMouseOut="HideTip('tt67')">gdImageGetClip</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageGetClip"></a>gdImageGetClip</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageGetClip (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>x1P,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>y1P,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>x2P,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>y2P</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Gets the current clipping rectangle</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>x1P</td><td class=CDLDescription>(out) The x-coordinate of the upper left corner.</td></tr><tr><td class=CDLEntry>y1P</td><td class=CDLDescription>(out) The y-coordinate of the upper left corner.</td></tr><tr><td class=CDLEntry>x2P</td><td class=CDLDescription>(out) The x-coordinate of the lower right corner.</td></tr><tr><td class=CDLEntry>y2P</td><td class=CDLDescription>(out) The y-coordinate of the lower right corner.</td></tr></table><h4 class=CHeading>See also</h4><ul><li><a href="#gdImageSetClip" class=LFunction id=link139 onMouseOver="ShowTip(event, 'tt66', 'link139')" onMouseOut="HideTip('tt66')">gdImageSetClip</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageSetResolution"></a>gdImageSetResolution</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageSetResolution(</td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap>const unsigned </td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>res_x,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap>const unsigned </td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>res_y</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets the resolution of an image.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>im</td><td class=CDLDescription>The image.</td></tr><tr><td class=CDLEntry>res_x</td><td class=CDLDescription>The horizontal resolution in DPI.</td></tr><tr><td class=CDLEntry>res_y</td><td class=CDLDescription>The vertical resolution in DPI.</td></tr></table><h4 class=CHeading>See also</h4><ul><li><a href="gd-h.html#gdImageResolutionX" class=LMacro id=link140 onMouseOver="ShowTip(event, 'tt82', 'link140')" onMouseOut="HideTip('tt82')">gdImageResolutionX</a></li><li><a href="gd-h.html#gdImageResolutionY" class=LMacro id=link141 onMouseOver="ShowTip(event, 'tt83', 'link141')" onMouseOut="HideTip('tt83')">gdImageResolutionY</a></li></ul></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImagePaletteToTrueColor"></a>gdImagePaletteToTrueColor</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImagePaletteToTrueColor(</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>src</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Convert a palette image to true color</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>src</td><td class=CDLDescription>The image.</td></tr></table><h4 class=CHeading>Returns</h4><p>Non-zero if the conversion succeeded, zero otherwise.</p><h4 class=CHeading>See also</h4><ul><li><a href="gd_topal-c.html#gdImageTrueColorToPalette" class=LFunction id=link142 onMouseOver="ShowTip(event, 'tt84', 'link142')" onMouseOut="HideTip('tt84')">gdImageTrueColorToPalette</a></li></ul></div></div></div>
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<div class=CToolTip id="tt1"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdSetErrorMethod(</td><td class="PType prettyprint " nowrap>gdErrorMethod </td><td class="PParameter prettyprint " nowrap>error_method</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt2"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdClearErrorMethod(</td><td class="PParameter prettyprint " nowrap>void</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt3"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>gdImagePtr gdImageCreate (</td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>sx,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>sy</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>gdImageCreate is called to create palette-based images, with no more than 256 colors. </div></div><div class=CToolTip id="tt4"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>gdImagePtr gdImageCreateTrueColor (</td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>sx,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>sy</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>gdImageCreateTrueColor is called to create truecolor images, with an essentially unlimited number of colors. </div></div><div class=CToolTip id="tt5"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageDestroy (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>gdImageDestroy is used to free the memory associated with an image. </div></div><div class=CToolTip id="tt6"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorClosest (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>b</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Gets the closest color of the image</div></div><div class=CToolTip id="tt7"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorClosestAlpha (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>b,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>a</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Gets the closest color of the image</div></div><div class=CToolTip id="tt8"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorClosestHWB (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>b</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt9"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorExact (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>b</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Gets the exact color of the image</div></div><div class=CToolTip id="tt10"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorExactAlpha (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>b,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>a</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Gets the exact color of the image</div></div><div class=CToolTip id="tt11"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorAllocate (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>b</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Allocates a color</div></div><div class=CToolTip id="tt12"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorAllocateAlpha (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>b,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>a</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Allocates a color</div></div><div class=CToolTip id="tt13"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorResolve (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>b</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>gdImageColorResolve is an alternative for the code fragment</div></div><div class=CToolTip id="tt14"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorResolveAlpha (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>b,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>a</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt15"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageColorDeallocate (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Removes a palette entry</div></div><div class=CToolTip id="tt16"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageColorTransparent (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Sets the transparent color of the image</div></div><div class=CToolTip id="tt17"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImagePaletteCopy (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>to,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>from</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt18"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorReplace (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dst</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt19"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorReplaceThreshold (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>float </td><td class="PParameter prettyprint " nowrap>threshold</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt20"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorReplaceArray (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>len,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>dst</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt21"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageColorReplaceCallback (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdCallbackImageColor </td><td class="PParameter prettyprint " nowrap>callback</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt22"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageSetPixel (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt23"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageGetPixel (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Gets a pixel color as stored in the image.</div></div><div class=CToolTip id="tt24"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageGetTrueColorPixel (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Gets a pixel color always as truecolor value.</div></div><div class=CToolTip id="tt25"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageAABlend (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>NO-OP, kept for library compatibility.</div></div><div class=CToolTip id="tt26"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageLine (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x1,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y1,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x2,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y2,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Bresenham as presented in Foley & Van Dam.</div></div><div class=CToolTip id="tt27"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageDashedLine (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x1,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y1,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x2,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y2,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt28"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageBoundsSafe (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt29"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageChar (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdFontPtr </td><td class="PParameter prettyprint " nowrap>f,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>c,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Draws a single character.</div></div><div class=CToolTip id="tt30"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageCharUp (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdFontPtr </td><td class="PParameter prettyprint " nowrap>f,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>c,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt31"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageString (</td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>gdFontPtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>f,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap>unsigned </td><td class="PType prettyprint " nowrap>char </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>s,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Draws a character string.</div></div><div class=CToolTip id="tt32"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageStringUp (</td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>gdFontPtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>f,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap>unsigned </td><td class="PType prettyprint " nowrap>char </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>s,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt33"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageString16 (</td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>gdFontPtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>f,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap>unsigned </td><td class="PType prettyprint " nowrap>short </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>s,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt34"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageStringUp16 (</td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>gdFontPtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>f,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap>unsigned </td><td class="PType prettyprint " nowrap>short </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>s,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt35"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageArc (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>cx,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>cy,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>h,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>s,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>e,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt36"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageFilledArc (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>cx,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>cy,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>h,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>s,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>e,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>style</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt37"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageEllipse(</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>mx,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>my,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>h,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>c</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt38"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageFilledEllipse (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>mx,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>my,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>h,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>c</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt39"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageFillToBorder (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>border,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt40"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageFill(</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>nc</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt41"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageRectangle (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x1,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y1,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x2,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y2,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Draws a rectangle.</div></div><div class=CToolTip id="tt42"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageFilledRectangle (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x1,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y1,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x2,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y2,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt43"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>gdImagePtr gdImageClone (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>src</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Clones an image</div></div><div class=CToolTip id="tt44"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageCopy (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>h</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Copy an area of an image to another image</div></div><div class=CToolTip id="tt45"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageCopyMerge (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>h,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>pct</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Copy an area of an image to another image ignoring alpha</div></div><div class=CToolTip id="tt46"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageCopyMergeGray (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>h,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>pct</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Copy an area of an image to another image ignoring alpha</div></div><div class=CToolTip id="tt47"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageCopyResized (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstW,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstH,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcW,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcH</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Copy a resized area from an image to another image</div></div><div class=CToolTip id="tt48"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageCopyRotated (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>double </td><td class="PParameter prettyprint " nowrap>dstX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>double </td><td class="PParameter prettyprint " nowrap>dstY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcWidth,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcHeight,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>angle</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Copy a rotated area from an image to another image</div></div><div class=CToolTip id="tt49"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageCopyResampled (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcX,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcY,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstW,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dstH,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcW,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>srcH</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Copy a resampled area from an image to another image</div></div><div class=CToolTip id="tt50"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImagePolygon (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdPointPtr </td><td class="PParameter prettyprint " nowrap>p,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>n,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>c</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Draws a closed polygon</div></div><div class=CToolTip id="tt51"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageOpenPolygon (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdPointPtr </td><td class="PParameter prettyprint " nowrap>p,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>n,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>c</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Draws an open polygon</div></div><div class=CToolTip id="tt52"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageFilledPolygon (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdPointPtr </td><td class="PParameter prettyprint " nowrap>p,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>n,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>c</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Draws a filled polygon</div></div><div class=CToolTip id="tt53"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageSetStyle (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>style,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>noOfPixels</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Sets the style for following drawing operations</div></div><div class=CToolTip id="tt54"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageSetThickness (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>thickness</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Sets the thickness for following drawing operations</div></div><div class=CToolTip id="tt55"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageSetBrush (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>brush</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Sets the brush for following drawing operations</div></div><div class=CToolTip id="tt56"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageSetTile (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>tile</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt57"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageSetAntiAliased (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>c</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Set the color for subsequent anti-aliased drawing</div></div><div class=CToolTip id="tt58"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageSetAntiAliasedDontBlend (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>c,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dont_blend</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Set the color and “dont_blend” color for subsequent anti-aliased drawing</div></div><div class=CToolTip id="tt59"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageInterlace (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>interlaceArg</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Sets whether an image is interlaced</div></div><div class=CToolTip id="tt60"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageCompare (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im1,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im2</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Compare two images</div></div><div class=CToolTip id="tt61"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdAlphaBlend (</td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>src</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Blend two colors</div></div><div class=CToolTip id="tt62"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdLayerOverlay (</td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>src</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Overlay two colors</div></div><div class=CToolTip id="tt63"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdLayerMultiply (</td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>src</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Overlay two colors with multiply effect</div></div><div class=CToolTip id="tt64"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageAlphaBlending (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>alphaBlendingArg</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Set the effect for subsequent drawing operations</div></div><div class=CToolTip id="tt65"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageSaveAlpha (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>saveAlphaArg</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Sets the save alpha flag</div></div><div class=CToolTip id="tt66"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageSetClip (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x1,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y1,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>x2,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>y2</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Sets the clipping rectangle</div></div><div class=CToolTip id="tt67"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageGetClip (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>x1P,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>y1P,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>x2P,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>y2P</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Gets the current clipping rectangle</div></div><div class=CToolTip id="tt68"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>void gdImageSetResolution(</td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap>const unsigned </td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>res_x,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap>const unsigned </td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>res_y</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Sets the resolution of an image.</div></div><div class=CToolTip id="tt69"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImagePaletteToTrueColor(</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>src</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Convert a palette image to true color</div></div><div class=CToolTip id="tt70"><div class=CType>The data structure in which gd stores images. </div></div><div class=CToolTip id="tt71"><div class=CMacro>Compose a truecolor value from its components</div></div><div class=CToolTip id="tt72"><div class=CMacro>Gets the transparent color of the image.</div></div><div class=CToolTip id="tt73"><div class=CMacro>Gets the color of a pixel.</div></div><div class=CToolTip id="tt74"><div class=CMacro>Gets the color of a pixel.</div></div><div class=CToolTip id="tt75"><div class=CType>A font structure, containing the bitmaps of all characters in a font. </div></div><div class=CToolTip id="tt76"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>char * gdImageStringTTF (</td><td class="PType prettyprint " nowrap>gdImage </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>brect,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>fg,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>char </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>fontlist,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>double </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>ptsize,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>double </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>angle,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>char </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>string</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Alias of gdImageStringFT.</div></div><div class=CToolTip id="tt77"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>gdImagePtr gdImageScale(</td><td class="PTypePrefix prettyprint " nowrap>const </td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap>const unsigned </td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>new_width,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap>const unsigned </td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>new_height</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Scale an image</div></div><div class=CToolTip id="tt78"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>gdImagePtr gdImageRotateInterpolated(</td><td class="PTypePrefix prettyprint " nowrap>const </td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap>const </td><td class="PType prettyprint " nowrap>float </td><td class="PParameter prettyprint " nowrap>angle,</td></tr><tr><td></td><td class="PTypePrefix prettyprint " nowrap></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>bgcolor</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Rotate an image</div></div><div class=CToolTip id="tt79"><div class=CConstant>draw anti aliased</div></div><div class=CToolTip id="tt80"><div class=CMacro>Whether an image is interlaced.</div></div><div class=CToolTip id="tt81"><div class=CGroup>The layering effect</div></div><div class=CToolTip id="tt82"><div class=CMacro>Gets the horizontal resolution in DPI.</div></div><div class=CToolTip id="tt83"><div class=CMacro>Gets the vertical resolution in DPI.</div></div><div class=CToolTip id="tt84"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>int gdImageTrueColorToPalette (</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameter prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>dither,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>int </td><td class="PParameter prettyprint " nowrap>colorsWanted</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Converts a truecolor image to a palette image</div></div><!--END_ND_TOOLTIPS-->
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