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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Function Index</title><link rel="stylesheet" type="text/css" href="../styles/main.css"><script language=JavaScript src="../javascript/main.js"></script><script language=JavaScript src="../javascript/searchdata.js"></script></head><body class="IndexPage" onLoad="NDOnLoad()"><script language=JavaScript><!--
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<div id=Index><div class=IPageTitle>Function Index</div><div class=INavigationBar>$#! &middot; 0-9 &middot; A &middot; B &middot; C &middot; D &middot; E &middot; F &middot; <a href="#G">G</a> &middot; H &middot; I &middot; J &middot; K &middot; L &middot; M &middot; N &middot; O &middot; P &middot; Q &middot; R &middot; S &middot; T &middot; U &middot; V &middot; W &middot; X &middot; Y &middot; Z</div><table border=0 cellspacing=0 cellpadding=0><tr><td class=IHeading id=IFirstHeading><a name="G"></a>G</td><td></td></tr><tr><td class=ISymbolPrefix id=IFirstSymbolPrefix>&nbsp;</td><td class=IEntry><a href="../files/gd_matrix-c.html#gdAffineApplyToPointF" id=link1 onMouseOver="ShowTip(event, 'tt1', 'link1')" onMouseOut="HideTip('tt1')" class=ISymbol>gdAffineApplyToPointF</a></td></tr><tr><td class=ISymbolPrefix>&nbsp;</td><td class=IEntry><a href="../files/gd_matrix-c.html#gdAffineConcat" id=link2 onMouseOver="ShowTip(event, 'tt2', 'link2')" onMouseOut="HideTip('tt2')" class=ISymbol>gdAffineConcat</a></td></tr><tr><td class=ISymbolPrefix>&nbsp;</td><td class=IEntry><a href="../files/gd_matrix-c.html#gdAffineEqual" id=link3 onMouseOver="ShowTip(event, 'tt3', 'link3')" onMouseOut="HideTip('tt3')" class=ISymbol>gdAffineEqual</a></td></tr><tr><td class=ISymbolPrefix>&nbsp;</td><td class=IEntry><a href="../files/gd_matrix-c.html#gdAffineFlip" id=link4 onMouseOver="ShowTip(event, 'tt4', 'link4')" onMouseOut="HideTip('tt4')" class=ISymbol>gdAffineFlip</a></td></tr><tr><td class=ISymbolPrefix>&nbsp;</td><td class=IEntry><a href="../files/gd_matrix-c.html#gdAffineIdentity" id=link5 onMouseOver="ShowTip(event, 'tt5', 'link5')" onMouseOut="HideTip('tt5')" class=ISymbol>gdAffineIdentity</a></td></tr><tr><td class=ISymbolPrefix>&nbsp;</td><td class=IEntry><a href="../files/gd_matrix-c.html#gdAffineInvert" id=link6 onMouseOver="ShowTip(event, 'tt6', 'link6')" onMouseOut="HideTip('tt6')" class=ISymbol>gdAffineInvert</a></td></tr><tr><td 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<!--START_ND_TOOLTIPS-->
<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>int gdAffineApplyToPointF (</td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>gdPointFPtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>gdPointFPtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>affine[6]</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Applies an affine transformation to a point (floating point gdPointF)</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>int gdAffineConcat (</td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst[6],</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>m1[6],</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>m2[6]</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Concat (Multiply) two affine transformation matrices.</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>int gdAffineEqual (</td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>m1[6],</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>m2[6]</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Determines whether two affine transformations are equal. </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>int gdAffineFlip (</td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst[6],</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>src[6],</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>flip_h,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>flip_v</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Flip an affine transformation horizontally or vertically.</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>int gdAffineIdentity (</td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst[6]</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Set up the identity matrix.</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 gdAffineInvert (</td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst[6],</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>src[6]</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Find the inverse of an affine transformation.</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 gdAffineRectilinear (</td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>m[6]</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Determines whether the affine transformation is axis aligned. </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 gdAffineRotate (</td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst[6],</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>angle</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Set up a rotation affine transform.</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 gdAffineScale (</td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst[6],</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>scale_x,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>scale_y</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Set up a scaling matrix.</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 gdAffineShearHorizontal(</td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst[6],</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>angle</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Set up a horizontal shearing matrix || becomes \\.</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 gdAffineShearVertical(</td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst[6],</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>angle</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Set up a vertical shearing matrix, columns are untouched.</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 gdAffineTranslate (</td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst[6],</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>offset_x,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>offset_y</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Set up a translation matrix.</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 gdAlphaBlend (</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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>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="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>int gdColorMapLookup(</td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>gdColorMap&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>color_map,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>char&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>color_name,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</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="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 * gdDPExtractData (</td><td class="PTypePrefix  prettyprint " nowrap>struct&nbsp;</td><td class="PType  prettyprint " nowrap>gdIOCtx&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>ctx,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>size</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt17"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">const char * gdExtraVersion()</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 gdFontCacheSetup (</td><td class="PParameter  prettyprint " nowrap>void</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Set up the font cache.</div></div><div class=CToolTip id="tt19"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">void gdFontCacheShutdown ()</td></tr></table></blockquote>Shut down the font cache and free the allocated resources.</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>gdFontPtr gdFontGetGiant (</td><td class="PParameter  prettyprint " nowrap>void</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the built-in giant font.</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>gdFontPtr gdFontGetLarge (</td><td class="PParameter  prettyprint " nowrap>void</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the built-in large font.</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>gdFontPtr gdFontGetMediumBold (</td><td class="PParameter  prettyprint " nowrap>void</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the built-in medium bold font.</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>gdFontPtr gdFontGetSmall (</td><td class="PParameter  prettyprint " nowrap>void</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the built-in small font.</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>gdFontPtr gdFontGetTiny (</td><td class="PParameter  prettyprint " nowrap>void</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the built-in tiny font.</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 gdFree (</td><td class="PType  prettyprint " nowrap>void&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>ptr</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Frees memory that has been allocated by libgd functions.</div></div><div class=CToolTip id="tt26"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">void gdFreeFontCache ()</td></tr></table></blockquote>Alias of gdFontCacheShutdown.</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>int gdFTUseFontConfig(</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>flag</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Enable or disable fontconfig by default.</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>void gdImageAABlend (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</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="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 gdImageAlphaBlending (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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 gdImageArc (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>cx,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>cy,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>h,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>s,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>e,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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 gdImageBmp(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>FILE&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>outFile,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>compression</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>gdImageBmp outputs the specified image to the specified file in BMP format. </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 gdImageBmpCtx(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdIOCtxPtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>out,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>compression</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Outputs the given image as BMP data, but using a gdIOCtx instead of a file. </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 * gdImageBmpPtr(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>size,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>compression</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Outputs the given image as BMP data, but using a gdIOCtx instead of a file. </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>int gdImageBoundsSafe (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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>int gdImageBrightness(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>brightness</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Change the brightness of an image</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 gdImageChar (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdFontPtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>f,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>c,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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 gdImageCharUp (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdFontPtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>f,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>c,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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>gdImagePtr gdImageClone (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</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="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>int gdImageColor(</td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>red,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>green,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>blue,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>alpha</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Change channel values of an image</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>int gdImageColorAllocate (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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>int gdImageColorAllocateAlpha (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>b,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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>int gdImageColorClosest (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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>int gdImageColorClosestAlpha (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>b,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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>int gdImageColorClosestHWB (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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 gdImageColorDeallocate (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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>int gdImageColorExact (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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>int gdImageColorExactAlpha (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>b,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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>int gdImageColorMatch (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im1,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im2</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Bring the palette colors in im2 to be closer to im1.</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>int gdImageColorReplace (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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>int gdImageColorReplaceArray (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>len,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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>int gdImageColorReplaceCallback (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdCallbackImageColor&nbsp;</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="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>int gdImageColorReplaceThreshold (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>float&nbsp;</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="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>int gdImageColorResolve (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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>int gdImageColorResolveAlpha (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>r,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>g,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>b,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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 gdImageColorTransparent (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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>int gdImageCompare (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im1,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</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="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>int gdImageContrast(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>contrast</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Change the contrast of an image</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>int gdImageConvolution(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>float&nbsp;</td><td class="PParameter  prettyprint " nowrap>filter[3][3],</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>float&nbsp;</td><td class="PParameter  prettyprint " nowrap>filter_div,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>float&nbsp;</td><td class="PParameter  prettyprint " nowrap>offset</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Apply a convolution matrix to an image</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 gdImageCopy (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>dstX,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>dstY,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>srcX,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>srcY,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt60"><div class=CFunction>Return a copy of the source image <u>src</u> blurred according to the parameters using the Gaussian Blur algorithm.</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>void gdImageCopyMerge (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>dstX,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>dstY,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>srcX,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>srcY,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>h,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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>void gdImageCopyMergeGray (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>dstX,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>dstY,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>srcX,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>srcY,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>h,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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>void gdImageCopyResampled (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>dstX,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>dstY,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>srcX,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>srcY,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>dstW,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>dstH,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>srcW,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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 gdImageCopyResized (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>dstX,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>dstY,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>srcX,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>srcY,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>dstW,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>dstH,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>srcW,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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 gdImageCopyRotated (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>dstX,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>dstY,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>srcX,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>srcY,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>srcWidth,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>srcHeight,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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>gdImagePtr gdImageCreate (</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>sx,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="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>gdImagePtr gdImageCreateFromBmp(</td><td class="PType  prettyprint " nowrap>FILE&nbsp;</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></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>gdImagePtr gdImageCreateFromBmpCtx(</td><td class="PType  prettyprint " nowrap>gdIOCtxPtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>infile</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></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>gdImagePtr gdImageCreateFromBmpPtr(</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>size,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>void&nbsp;</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="tt70"><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 gdImageCreateFromFile(</td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>char&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>filename</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Read an image file of any supported.</div></div><div class=CToolTip id="tt71"><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 gdImageCreateFromGd (</td><td class="PType  prettyprint " nowrap>FILE&nbsp;</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>gdImageCreateFromGd is called to load images from gd format files. </div></div><div class=CToolTip id="tt72"><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 gdImageCreateFromGd2 (</td><td class="PType  prettyprint " nowrap>FILE&nbsp;</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>gdImageCreateFromGd2 is called to load images from gd2 format files. </div></div><div class=CToolTip id="tt73"><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 gdImageCreateFromGd2Ctx (</td><td class="PType  prettyprint " nowrap>gdIOCtxPtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>in</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Reads in a GD2 image via a gdIOCtx struct. </div></div><div class=CToolTip id="tt74"><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 gdImageCreateFromGd2Part (</td><td class="PType  prettyprint " nowrap>FILE&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>inFile,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>srcx,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>srcy,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>h</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>gdImageCreateFromGd2Part is called to load parts of images from gd2 format files. </div></div><div class=CToolTip id="tt75"><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 gdImageCreateFromGd2PartCtx (</td><td class="PType  prettyprint " nowrap>gdIOCtx&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>in,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>srcx,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>srcy,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>h</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></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>gdImagePtr gdImageCreateFromGd2PartPtr (</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>size,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>void&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>data,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>srcx,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>srcy,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>h</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></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 gdImageCreateFromGd2Ptr (</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>size,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>void&nbsp;</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="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 gdImageCreateFromGdCtx (</td><td class="PType  prettyprint " nowrap>gdIOCtxPtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>in</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Reads in a GD image via a gdIOCtx struct. </div></div><div class=CToolTip id="tt79"><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 gdImageCreateFromGdPtr (</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>size,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>void&nbsp;</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="tt80"><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 gdImageCreateFromGif(</td><td class="PType  prettyprint " nowrap>FILE&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>fdFile</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>gdImageCreateFromGif is called to load images from GIF format files. </div></div><div class=CToolTip id="tt81"><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 gdImageCreateFromGifCtx(</td><td class="PType  prettyprint " nowrap>gdIOCtxPtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>fd</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>See gdImageCreateFromGif.</div></div><div class=CToolTip id="tt82"><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 gdImageCreateFromGifPtr (</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>size,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>void&nbsp;</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="tt83"><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 gdImageCreateFromJpeg(</td><td class="PType  prettyprint " nowrap>FILE&nbsp;</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>See gdImageCreateFromJpegEx.</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>gdImagePtr gdImageCreateFromJpegCtx(</td><td class="PType  prettyprint " nowrap>gdIOCtx&nbsp;</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>See gdImageCreateFromJpeg.</div></div><div class=CToolTip id="tt85"><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 gdImageCreateFromJpegCtxEx(</td><td class="PType  prettyprint " nowrap>gdIOCtx&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>infile,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>ignore_warning</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>See gdImageCreateFromJpeg.</div></div><div class=CToolTip id="tt86"><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 gdImageCreateFromJpegEx(</td><td class="PType  prettyprint " nowrap>FILE&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>inFile,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>ignore_warning</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>gdImageCreateFromJpegEx is called to load truecolor images from JPEG format files. </div></div><div class=CToolTip id="tt87"><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 gdImageCreateFromJpegPtr(</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>size,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>void&nbsp;</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="tt88"><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 gdImageCreateFromJpegPtrEx(</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>size,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>void&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>data,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>ignore_warning</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt89"><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 gdImageCreateFromPng (</td><td class="PType  prettyprint " nowrap>FILE&nbsp;</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>gdImageCreateFromPng is called to load images from PNG format files. </div></div><div class=CToolTip id="tt90"><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 gdImageCreateFromPngCtx (</td><td class="PType  prettyprint " nowrap>gdIOCtx&nbsp;</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>See gdImageCreateFromPng.</div></div><div class=CToolTip id="tt91"><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 gdImageCreateFromPngPtr (</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>size,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>void&nbsp;</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>See gdImageCreateFromPng.</div></div><div class=CToolTip id="tt92"><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 gdImageCreateFromPngSource (</td><td class="PType  prettyprint " nowrap>gdSourcePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>inSource</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>See gdImageCreateFromPng for documentation. </div></div><div class=CToolTip id="tt93"><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 gdImageCreateFromTga(</td><td class="PType  prettyprint " nowrap>FILE&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>fp</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Creates a gdImage from a TGA file</div></div><div class=CToolTip id="tt94"><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 gdImageCreateFromTgaCtx(</td><td class="PType  prettyprint " nowrap>gdIOCtx&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>ctx</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Creates a gdImage from a gdIOCtx referencing a TGA binary file.</div></div><div class=CToolTip id="tt95"><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 gdImageCreateFromTgaPtr(</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>size,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>void&nbsp;</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="tt96"><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 gdImageCreateFromTiffCtx(</td><td class="PType  prettyprint " nowrap>gdIOCtx&nbsp;</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>Create a gdImage from a TIFF file input from an gdIOCtx.</div></div><div class=CToolTip id="tt97"><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 gdImageCreateFromTiffPtr(</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>size,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>void&nbsp;</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="tt98"><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&nbsp;</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="tt99"><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&nbsp;</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="tt100"><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&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>size,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>void&nbsp;</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="tt101"><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 gdImageCreateFromWebp (</td><td class="PType  prettyprint " nowrap>FILE&nbsp;</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>gdImageCreateFromWebp is called to load truecolor images from WebP format files. </div></div><div class=CToolTip id="tt102"><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 gdImageCreateFromWebpCtx (</td><td class="PType  prettyprint " nowrap>gdIOCtx&nbsp;</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>See gdImageCreateFromWebp.</div></div><div class=CToolTip id="tt103"><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 gdImageCreateFromWebpPtr (</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>size,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>void&nbsp;</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>See gdImageCreateFromWebp.</div></div><div class=CToolTip id="tt104"><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 gdImageCreateFromXbm(</td><td class="PType  prettyprint " nowrap>FILE&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>fd</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>gdImageCreateFromXbm is called to load images from X bitmap format files. </div></div><div class=CToolTip id="tt105"><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 gdImageCreateFromXpm(</td><td class="PType  prettyprint " nowrap>char&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>filename</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>gdImageCreateFromXbm is called to load images from XPM X Window System color bitmap format files. </div></div><div class=CToolTip id="tt106"><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 gdImageCreatePaletteFromTrueColor (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>dither,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>colorsWanted</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Creates a new palette image from a truecolor image</div></div><div class=CToolTip id="tt107"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>sx,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt108"><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 gdImageCrop(</td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>gdRect&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>crop</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Crop an image to a given rectangle</div></div><div class=CToolTip id="tt109"><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 gdImageCropAuto(</td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const unsigned&nbsp;</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>mode</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Crop an image automatically</div></div><div class=CToolTip id="tt110"><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 gdImageCropThreshold(</td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const unsigned&nbsp;</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>color,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>float&nbsp;</td><td class="PParameter  prettyprint " nowrap>threshold</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Crop an image using a given color</div></div><div class=CToolTip id="tt111"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>x1,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>y1,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>x2,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>y2,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt112"><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&nbsp;</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="tt113"><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 gdImageEdgeDetectQuick(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>src</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Edge detection of an image</div></div><div class=CToolTip id="tt114"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>mx,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>my,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>h,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt115"><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 gdImageEmboss(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Emboss an image</div></div><div class=CToolTip id="tt116"><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 gdImageFile(</td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>char&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>filename</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Writes an image to a file in the format indicated by the filename.</div></div><div class=CToolTip id="tt117"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt118"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>cx,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>cy,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>h,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>s,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>e,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>color,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt119"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>mx,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>my,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>h,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt120"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdPointPtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>p,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>n,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt121"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>x1,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>y1,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>x2,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>y2,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt122"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>border,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt123"><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 gdImageFlipBoth(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Flip an image vertically and horizontally</div></div><div class=CToolTip id="tt124"><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 gdImageFlipHorizontal(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Flip an image horizontally</div></div><div class=CToolTip id="tt125"><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 gdImageFlipVertical(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Flip an image vertically</div></div><div class=CToolTip id="tt126"><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 gdImageGaussianBlur(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>gdImageGaussianBlur performs a Gaussian blur of radius 1 on the image. </div></div><div class=CToolTip id="tt127"><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 gdImageGd (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>FILE&nbsp;</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="tt128"><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 gdImageGd2 (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>FILE&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>outFile,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>cs,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>fmt</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt129"><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 * gdImageGd2Ptr (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>cs,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>fmt,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>size</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt130"><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 * gdImageGdPtr (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>size</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt131"><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&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>x1P,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>y1P,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>x2P,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt132"><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>gdInterpolationMethod gdImageGetInterpolationMethod(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Get the current interpolation method</div></div><div class=CToolTip id="tt133"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt134"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt135"><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 gdImageGif(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>FILE&nbsp;</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>gdImageGif outputs the specified image to the specified file in GIF format. </div></div><div class=CToolTip id="tt136"><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 gdImageGifAnimAdd(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>FILE&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>outFile,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>LocalCM,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>LeftOfs,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>TopOfs,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>Delay,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>Disposal,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>previm</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>This function writes GIF animation frames to GIF animation, which was initialized with gdImageGifAnimBegin. </div></div><div class=CToolTip id="tt137"><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 gdImageGifAnimAddCtx(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdIOCtxPtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>out,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>LocalCM,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>LeftOfs,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>TopOfs,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>Delay,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>Disposal,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>previm</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Adds an animation frame via a gdIOCtxPtr. </div></div><div class=CToolTip id="tt138"><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 * gdImageGifAnimAddPtr(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>size,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>LocalCM,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>LeftOfs,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>TopOfs,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>Delay,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>Disposal,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>previm</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Like gdImageGifAnimAdd (which contains more information) except that it stores the data to write into memory and returns a pointer to it.</div></div><div class=CToolTip id="tt139"><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 gdImageGifAnimBegin(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>FILE&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>outFile,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>GlobalCM,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>Loops</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>This function must be called as the first function when creating a GIF animation. </div></div><div class=CToolTip id="tt140"><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 gdImageGifAnimBeginCtx(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdIOCtxPtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>out,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>GlobalCM,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>Loops</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Like gdImageGifAnimBegin except that it outputs to gdIOCtx. </div></div><div class=CToolTip id="tt141"><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 * gdImageGifAnimBeginPtr(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>size,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>GlobalCM,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>Loops</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Like gdImageGifAnimBegin except that it outputs to a memory buffer. </div></div><div class=CToolTip id="tt142"><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 gdImageGifAnimEnd(</td><td class="PType  prettyprint " nowrap>FILE&nbsp;</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>Terminates the GIF file properly.</div></div><div class=CToolTip id="tt143"><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 gdImageGifAnimEndCtx(</td><td class="PType  prettyprint " nowrap>gdIOCtx&nbsp;</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>Like gdImageGifAnimEnd, but writes its data via a gdIOCtx.</div></div><div class=CToolTip id="tt144"><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 * gdImageGifAnimEndPtr(</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>size</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Like gdImageGifAnimEnd (which contains more information) except that it stores the data to write into memory and returns a pointer to it.</div></div><div class=CToolTip id="tt145"><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 gdImageGifCtx(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdIOCtxPtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>out</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Writes a GIF image via a gdIOCtx. </div></div><div class=CToolTip id="tt146"><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 * gdImageGifPtr(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>size</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Identical to gdImageGif except that it returns a pointer to a memory area with the GIF data. </div></div><div class=CToolTip id="tt147"><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 gdImageGrayScale(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>src</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Convert an image to grayscale</div></div><div class=CToolTip id="tt148"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt149"><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 gdImageJpeg(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>FILE&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>outFile,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>quality</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>gdImageJpeg outputs the specified image to the specified file in JPEG format. </div></div><div class=CToolTip id="tt150"><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 gdImageJpegCtx(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdIOCtx&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>outfile,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>quality</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Write the image as JPEG data via a gdIOCtx. </div></div><div class=CToolTip id="tt151"><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 * gdImageJpegPtr(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>size,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>quality</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Identical to gdImageJpeg except that it returns a pointer to a memory area with the JPEG data. </div></div><div class=CToolTip id="tt152"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>x1,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>y1,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>x2,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>y2,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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 &amp; Van Dam.</div></div><div class=CToolTip id="tt153"><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 gdImageMeanRemoval(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Mean removal of an image</div></div><div class=CToolTip id="tt154"><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 gdImageNegate(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>src</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Invert an image</div></div><div class=CToolTip id="tt155"><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 gdImageNeuQuant(</td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>max_color,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>sample_factor</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Creates a new palette image from a truecolor image</div></div><div class=CToolTip id="tt156"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdPointPtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>p,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>n,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt157"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>to,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</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="tt158"><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&nbsp;</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="tt159"><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 gdImagePixelate(</td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>block_size,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const unsigned&nbsp;</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>mode</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt160"><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 gdImagePng (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>FILE&nbsp;</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>Equivalent to calling gdImagePngEx with compression of -1.</div></div><div class=CToolTip id="tt161"><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 gdImagePngCtx (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdIOCtx&nbsp;</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>Equivalent to calling gdImagePngCtxEx with compression of -1. </div></div><div class=CToolTip id="tt162"><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 gdImagePngCtxEx (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdIOCtx&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>outfile,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>level</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Outputs the given image as PNG data, but using a gdIOCtx instead of a file. </div></div><div class=CToolTip id="tt163"><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 gdImagePngEx (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>FILE&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>outFile,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>level</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>gdImagePngEx outputs the specified image to the specified file in PNG format. </div></div><div class=CToolTip id="tt164"><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 * gdImagePngPtr (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>size</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Equivalent to calling gdImagePngPtrEx with compression of -1.</div></div><div class=CToolTip id="tt165"><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 * gdImagePngPtrEx (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>size,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>level</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Identical to gdImagePngEx except that it returns a pointer to a memory area with the PNG data. </div></div><div class=CToolTip id="tt166"><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 gdImagePngToSink (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdSinkPtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>outSink</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt167"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdPointPtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>p,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>n,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt168"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>x1,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>y1,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>x2,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>y2,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt169"><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&nbsp;</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>float&nbsp;</td><td class="PParameter  prettyprint " nowrap>angle,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt170"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt171"><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&nbsp;</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const unsigned&nbsp;</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>new_width,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const unsigned&nbsp;</td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt172"><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 gdImageScatter(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>sub,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>plus</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt173"><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 gdImageScatterColor(</td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>sub,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>plus,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>colors[],</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>unsigned&nbsp;</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>num_colors</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt174"><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 gdImageScatterEx(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdScatterPtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>scatter</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt175"><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 gdImageSelectiveBlur(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>src</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt176"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt177"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>c,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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 &ldquo;dont_blend&rdquo; color for subsequent anti-aliased drawing</div></div><div class=CToolTip id="tt178"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</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="tt179"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>x1,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>y1,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>x2,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt180"><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 gdImageSetInterpolationMethod(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdInterpolationMethod&nbsp;</td><td class="PParameter  prettyprint " nowrap>id</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Set the interpolation method for subsequent operations</div></div><div class=CToolTip id="tt181"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt182"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const unsigned&nbsp;</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>res_x,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const unsigned&nbsp;</td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt183"><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&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>style,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt184"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt185"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</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="tt186"><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 gdImageSharpen (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>pct</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Sharpen an image.</div></div><div class=CToolTip id="tt187"><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 gdImageSmooth(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>float&nbsp;</td><td class="PParameter  prettyprint " nowrap>weight</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Smooth an image</div></div><div class=CToolTip id="tt188"><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 gdImageSquareToCircle (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>radius</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Apply polar coordinate transformation to an image.</div></div><div class=CToolTip id="tt189"><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&nbsp;</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&nbsp;</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&nbsp;</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&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>unsigned&nbsp;</td><td class="PType  prettyprint " nowrap>char&nbsp;</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&nbsp;</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="tt190"><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&nbsp;</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&nbsp;</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&nbsp;</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&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>unsigned&nbsp;</td><td class="PType  prettyprint " nowrap>short&nbsp;</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&nbsp;</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="tt191"><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 * gdImageStringFT (</td><td class="PType  prettyprint " nowrap>gdImage&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>brect,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>fg,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>char&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>fontlist,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>ptsize,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>angle,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>char&nbsp;</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>Render an UTF-8 string onto a gd image.</div></div><div class=CToolTip id="tt192"><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* gdImageStringFTCircle (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>cx,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>cy,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>radius,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>textRadius,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>fillPortion,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>char&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>font,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>points,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>char&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>top,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>char&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>bottom,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>fgcolor</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Draw text curved along the top and bottom of a circular area of an image.</div></div><div class=CToolTip id="tt193"><div class=CFunction>gdImageStringFTEx extends the capabilities of gdImageStringFT by providing a way to pass additional parameters.</div></div><div class=CToolTip id="tt194"><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&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>brect,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>fg,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>char&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>fontlist,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>ptsize,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>angle,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>char&nbsp;</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="tt195"><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&nbsp;</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&nbsp;</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&nbsp;</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&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>unsigned&nbsp;</td><td class="PType  prettyprint " nowrap>char&nbsp;</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&nbsp;</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="tt196"><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&nbsp;</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&nbsp;</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&nbsp;</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&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>unsigned&nbsp;</td><td class="PType  prettyprint " nowrap>short&nbsp;</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&nbsp;</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="tt197"><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 gdImageTiff(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>FILE&nbsp;</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="tt198"><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 gdImageTiffCtx(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>image,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdIOCtx&nbsp;</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 gd image as a tiff file.</div></div><div class=CToolTip id="tt199"><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 * gdImageTiffPtr(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>size</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt200"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>dither,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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><div class=CToolTip id="tt201"><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 gdImageTrueColorToPaletteSetMethod (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>method,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>speed</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Selects the quantization method</div></div><div class=CToolTip id="tt202"><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 gdImageTrueColorToPaletteSetQuality (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>min_quality,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>max_quality</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Chooses a quality range for quantization</div></div><div class=CToolTip id="tt203"><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&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>fg,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>FILE&nbsp;</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="tt204"><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&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>image,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>fg,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdIOCtx&nbsp;</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="tt205"><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&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>size,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt206"><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 gdImageWebp (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>FILE&nbsp;</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>Variant of gdImageWebpEx which uses the default quality (-1).</div></div><div class=CToolTip id="tt207"><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 gdImageWebpCtx (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdIOCtx&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>outfile,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>quality</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Write the image as WebP data via a gdIOCtx. </div></div><div class=CToolTip id="tt208"><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 gdImageWebpEx (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>FILE&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>outFile,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>quality</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>gdImageWebpEx outputs the specified image to the specified file in WebP format. </div></div><div class=CToolTip id="tt209"><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 * gdImageWebpPtr (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>size</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>See gdImageWebpEx.</div></div><div class=CToolTip id="tt210"><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 * gdImageWebpPtrEx (</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>im,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>size,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>quality</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>See gdImageWebpEx.</div></div><div class=CToolTip id="tt211"><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 gdImageXbmCtx(</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>image,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>char&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>file_name,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>fg,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdIOCtx&nbsp;</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>Writes an image to an IO context in X11 bitmap format.</div></div><div class=CToolTip id="tt212"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt213"><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&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</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="tt214"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">int gdMajorVersion()</td></tr></table></blockquote></div></div><div class=CToolTip id="tt215"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">int gdMinorVersion()</td></tr></table></blockquote></div></div><div class=CToolTip id="tt216"><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>gdIOCtx * gdNewDynamicCtx(</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>initialSize,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>void&nbsp;</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>Return data as a dynamic pointer.</div></div><div class=CToolTip id="tt217"><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>gdIOCtx * gdNewDynamicCtxEx(</td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>initialSize,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>void&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>data,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>freeOKFlag</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote></div></div><div class=CToolTip id="tt218"><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>gdIOCtx * gdNewFileCtx(</td><td class="PType  prettyprint " nowrap>FILE&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>f</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Return data as a dynamic pointer.</div></div><div class=CToolTip id="tt219"><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>gdIOCtx * gdNewSSCtx(</td><td class="PType  prettyprint " nowrap>gdSourcePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PType  prettyprint " nowrap>gdSinkPtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>snk</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Return data as a dynamic pointer.</div></div><div class=CToolTip id="tt220"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">int gdReleaseVersion()</td></tr></table></blockquote></div></div><div class=CToolTip id="tt221"><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&nbsp;</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="tt222"><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 gdSupportsFileType(</td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>char&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>filename,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>writing</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Tests if a given file type is supported by GD.</div></div><div class=CToolTip id="tt223"><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 gdTransformAffineBoundingBox(</td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>gdRectPtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>affine[6],</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>gdRectPtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>bbox</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the bounding box of an affine transformation applied to a rectangular area gdRect</div></div><div class=CToolTip id="tt224"><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 gdTransformAffineCopy(</td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst_x,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>int&nbsp;</td><td class="PParameter  prettyprint " nowrap>dst_y,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>gdRectPtr&nbsp;</td><td class="PParameter  prettyprint " nowrap>src_region,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameter  prettyprint " nowrap>affine[6]</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Applies an affine transformation to a region and copy the result in a destination to the given position.</div></div><div class=CToolTip id="tt225"><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 gdTransformAffineGetImage(</td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap>*</td><td class="PParameter  prettyprint " nowrap>dst,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>gdImagePtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>src,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap></td><td class="PType  prettyprint " nowrap>gdRectPtr&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>src_area,</td></tr><tr><td></td><td class="PTypePrefix  prettyprint " nowrap>const&nbsp;</td><td class="PType  prettyprint " nowrap>double&nbsp;</td><td class="PParameterPrefix  prettyprint " nowrap></td><td class="PParameter  prettyprint " nowrap>affine[6]</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Applies an affine transformation to a region and return an image containing the complete transformation.</div></div><div class=CToolTip id="tt226"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">const char * gdVersionString()</td></tr></table></blockquote></div></div><!--END_ND_TOOLTIPS-->

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