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<div id=Content><div class="CFile"><div class=CTopic id=MainTopic><h1 class=CTitle><a name="WBMP_IO"></a>WBMP IO</h1><div class=CBody><p>Read and write WBMP images.</p><!--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="#WBMP_IO" >WBMP IO</a></td><td class=SDescription>Read and write WBMP images.</td></tr><tr class="SGroup"><td class=SEntry><a href="#Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageWBMPCtx" id=link1 onMouseOver="ShowTip(event, 'tt1', 'link1')" onMouseOut="HideTip('tt1')">gdImageWBMPCtx</a></td><td class=SDescription>Write the image as a wbmp file</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageCreateFromWBMPCtx" id=link2 onMouseOver="ShowTip(event, 'tt2', 'link2')" onMouseOut="HideTip('tt2')">gdImageCreateFromWBMPCtx</a></td><td class=SDescription>Reads in a WBMP image via a <a href="gd_io-h.html#gdIOCtx" class=LType id=link3 onMouseOver="ShowTip(event, 'tt3', 'link3')" onMouseOut="HideTip('tt3')">gdIOCtx</a> struct. </td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageCreateFromWBMP" id=link4 onMouseOver="ShowTip(event, 'tt4', 'link4')" onMouseOut="HideTip('tt4')">gdImageCreateFromWBMP</a></td><td class=SDescription><a href="#gdImageCreateFromWBMP" class=LFunction id=link5 onMouseOver="ShowTip(event, 'tt4', 'link5')" onMouseOut="HideTip('tt4')">gdImageCreateFromWBMP</a> is called to load images from WBMP format files. </td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageCreateFromWBMPPtr" id=link6 onMouseOver="ShowTip(event, 'tt5', 'link6')" onMouseOut="HideTip('tt5')">gdImageCreateFromWBMPPtr</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#gdImageWBMP" id=link7 onMouseOver="ShowTip(event, 'tt6', 'link7')" onMouseOut="HideTip('tt6')">gdImageWBMP</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#gdImageWBMPPtr" id=link8 onMouseOver="ShowTip(event, 'tt7', 'link8')" onMouseOut="HideTip('tt7')">gdImageWBMPPtr</a></td><td class=SDescription></td></tr></table></div></div><!--END_ND_SUMMARY--></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="Functions"></a>Functions</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageWBMPCtx"></a>gdImageWBMPCtx</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 gdImageWBMPCtx(</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>image,</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>gdIOCtx </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>out</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Write the image as a wbmp file</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>image</td><td class=CDLDescription>gd image structure</td></tr><tr><td class=CDLEntry>fg</td><td class=CDLDescription>the index of the foreground color. any other value will be considered as background and will not be written</td></tr><tr><td class=CDLEntry>out</td><td class=CDLDescription>the stream where to write</td></tr></table></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageCreateFromWBMPCtx"></a>gdImageCreateFromWBMPCtx</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 gdImageCreateFromWBMPCtx(</td><td class="PType prettyprint " nowrap>gdIOCtx </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>infile</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Reads in a WBMP image via a <a href="gd_io-h.html#gdIOCtx" class=LType id=link9 onMouseOver="ShowTip(event, 'tt3', 'link9')" onMouseOut="HideTip('tt3')">gdIOCtx</a> struct. See <a href="#gdImageCreateFromWBMP" class=LFunction id=link10 onMouseOver="ShowTip(event, 'tt4', 'link10')" onMouseOut="HideTip('tt4')">gdImageCreateFromWBMP</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageCreateFromWBMP"></a>gdImageCreateFromWBMP</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 gdImageCreateFromWBMP(</td><td class="PType prettyprint " nowrap>FILE </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>inFile</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p><a href="#gdImageCreateFromWBMP" class=LFunction id=link11 onMouseOver="ShowTip(event, 'tt4', 'link11')" onMouseOut="HideTip('tt4')">gdImageCreateFromWBMP</a> is called to load images from WBMP format files. Invoke <a href="#gdImageCreateFromWBMP" class=LFunction id=link12 onMouseOver="ShowTip(event, 'tt4', 'link12')" onMouseOut="HideTip('tt4')">gdImageCreateFromWBMP</a> with an already opened pointer to a file containing the desired image. <a href="#gdImageCreateFromWBMP" class=LFunction id=link13 onMouseOver="ShowTip(event, 'tt4', 'link13')" onMouseOut="HideTip('tt4')">gdImageCreateFromWBMP</a> returns a gdImagePtr to the new image, or NULL if unable to load the image (most often because the file is corrupt or does not contain a WBMP image). <a href="#gdImageCreateFromWBMP" class=LFunction id=link14 onMouseOver="ShowTip(event, 'tt4', 'link14')" onMouseOut="HideTip('tt4')">gdImageCreateFromWBMP</a> does not close the file. You can inspect the sx and sy members of the image to determine its size. The image must eventually be destroyed using <a href="gd-c.html#gdImageDestroy" class=LFunction id=link15 onMouseOver="ShowTip(event, 'tt8', 'link15')" onMouseOut="HideTip('tt8')">gdImageDestroy</a>.</p><h4 class=CHeading>Variants</h4><p><a href="#gdImageCreateFromWBMPPtr" class=LFunction id=link16 onMouseOver="ShowTip(event, 'tt5', 'link16')" onMouseOut="HideTip('tt5')">gdImageCreateFromWBMPPtr</a> creates an image from WBMP data (i.e. the contents of a WBMP file) already in memory.</p><p><a href="#gdImageCreateFromWBMPCtx" class=LFunction id=link17 onMouseOver="ShowTip(event, 'tt2', 'link17')" onMouseOut="HideTip('tt2')">gdImageCreateFromWBMPCtx</a> reads in an image using the functions in a <a href="gd_io-h.html#gdIOCtx" class=LType id=link18 onMouseOver="ShowTip(event, 'tt3', 'link18')" onMouseOut="HideTip('tt3')">gdIOCtx</a> struct.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>infile</td><td class=CDLDescription>The input FILE pointer</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;
FILE *in;
in = fopen("mywbmp.wbmp", "rb");
im = gdImageCreateFromWBMP(in);
fclose(in);
// ... Use the image ...
gdImageDestroy(im);</pre></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageCreateFromWBMPPtr"></a>gdImageCreateFromWBMPPtr</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 gdImageCreateFromWBMPPtr(</td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>size,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>void </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>data</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>size</td><td class=CDLDescription>size of WBMP data in bytes.</td></tr><tr><td class=CDLEntry>data</td><td class=CDLDescription>WBMP data (i.e. contents of a WBMP file).</td></tr></table><p>See <a href="#gdImageCreateFromWBMP" class=LFunction id=link19 onMouseOver="ShowTip(event, 'tt4', 'link19')" onMouseOut="HideTip('tt4')">gdImageCreateFromWBMP</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="gdImageWBMP"></a>gdImageWBMP</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 gdImageWBMP(</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>fg,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>FILE </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>outFile</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="gdImageWBMPPtr"></a>gdImageWBMPPtr</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 * gdImageWBMPPtr(</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>size,</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><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></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 gdImageWBMPCtx(</td><td class="PType prettyprint " nowrap>gdImagePtr </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>image,</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>gdIOCtx </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>out</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Write the image as a wbmp file</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>gdImagePtr gdImageCreateFromWBMPCtx(</td><td class="PType prettyprint " nowrap>gdIOCtx </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>infile</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Reads in a WBMP image via a gdIOCtx struct. </div></div><div class=CToolTip id="tt3"><div class=CType>gdIOCtx structures hold function pointers for doing image IO.</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 gdImageCreateFromWBMP(</td><td class="PType prettyprint " nowrap>FILE </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>inFile</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>gdImageCreateFromWBMP is called to load images from WBMP format files. </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>gdImagePtr gdImageCreateFromWBMPPtr(</td><td class="PType prettyprint " nowrap>int </td><td class="PParameterPrefix prettyprint " nowrap></td><td class="PParameter prettyprint " nowrap>size,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>void </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>data</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></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>void gdImageWBMP(</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>fg,</td></tr><tr><td></td><td class="PType prettyprint " nowrap>FILE </td><td class="PParameterPrefix prettyprint " nowrap>*</td><td class="PParameter prettyprint " nowrap>outFile</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></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>void * gdImageWBMPPtr(</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>size,</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><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></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>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><!--END_ND_TOOLTIPS-->
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