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<title>ImageMagick: MagickCore, C API for ImageMagick: Draw on an Image</title>
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<p class="navigation-index">[ <a href="#AcquireDrawInfo">AcquireDrawInfo</a> | <a href="#CloneDrawInfo">CloneDrawInfo</a> | <a href="#DestroyDrawInfo">DestroyDrawInfo</a> | <a href="#DrawAffineImage">DrawAffineImage</a> | <a href="#DrawClipPath">DrawClipPath</a> | <a href="#DrawImage">DrawImage</a> | <a href="#DrawGradientImage">DrawGradientImage</a> | <a href="#DrawPatternPath">DrawPatternPath</a> | <a href="#DrawPrimitive">DrawPrimitive</a> | <a href="#GetAffineMatrix">GetAffineMatrix</a> ]</p>
<div style="margin: auto;">
<h2><a href="http://www.imagemagick.org/api/MagickCore/draw
_8c.html" target="source" name="AcquireDrawInfo">AcquireDrawInfo</a></h2>
</div>
<p>AcquireDrawInfo() returns a DrawInfo structure properly initialized.</p></ol>
<p>The format of the AcquireDrawInfo method is:</p>
<pre class="code">
DrawInfo *AcquireDrawInfo(void)
</pre>
<div style="margin: auto;">
<h2><a href="http://www.imagemagick.org/api/MagickCore/draw
_8c.html" target="source" name="CloneDrawInfo">CloneDrawInfo</a></h2>
</div>
<p>CloneDrawInfo() makes a copy of the given draw info structure. If NULL is specified, a new image info structure is created initialized to default values.</p></ol>
<p>The format of the CloneDrawInfo method is:</p>
<pre class="code">
DrawInfo *CloneDrawInfo(const ImageInfo *image_info,
const DrawInfo *draw_info)
</pre>
<p>A description of each parameter follows:</p></ol>
<h5>image_info</h5>
<ol><p>the image info.</p></ol>
<h5>draw_info</h5>
<ol><p>the draw info.</p></ol>
<div style="margin: auto;">
<h2><a href="http://www.imagemagick.org/api/MagickCore/draw
_8c.html" target="source" name="DestroyDrawInfo">DestroyDrawInfo</a></h2>
</div>
<p>DestroyDrawInfo() deallocates memory associated with an DrawInfo structure.</p></ol>
<p>The format of the DestroyDrawInfo method is:</p>
<pre class="code">
DrawInfo *DestroyDrawInfo(DrawInfo *draw_info)
</pre>
<p>A description of each parameter follows:</p></ol>
<h5>draw_info</h5>
<ol><p>the draw info.</p></ol>
<div style="margin: auto;">
<h2><a href="http://www.imagemagick.org/api/MagickCore/draw
_8c.html" target="source" name="DrawAffineImage">DrawAffineImage</a></h2>
</div>
<p>DrawAffineImage() composites the source over the destination image as dictated by the affine transform.</p></ol>
<p>The format of the DrawAffineImage method is:</p>
<pre class="code">
MagickBooleanType DrawAffineImage(Image *image,const Image *source,
const AffineMatrix *affine)
</pre>
<p>A description of each parameter follows:</p></ol>
<h5>image</h5>
<ol><p>the image.</p></ol>
<h5>source</h5>
<ol><p>the source image.</p></ol>
<h5>affine</h5>
<ol><p>the affine transform.</p></ol>
<div style="margin: auto;">
<h2><a href="http://www.imagemagick.org/api/MagickCore/draw
_8c.html" target="source" name="DrawClipPath">DrawClipPath</a></h2>
</div>
<p>DrawClipPath() draws the clip path on the image mask.</p></ol>
<p>The format of the DrawClipPath method is:</p>
<pre class="code">
MagickBooleanType DrawClipPath(Image *image,const DrawInfo *draw_info,
const char *name)
</pre>
<p>A description of each parameter follows:</p></ol>
<h5>image</h5>
<ol><p>the image.</p></ol>
<h5>draw_info</h5>
<ol><p>the draw info.</p></ol>
<h5>name</h5>
<ol><p>the name of the clip path.</p></ol>
<div style="margin: auto;">
<h2><a href="http://www.imagemagick.org/api/MagickCore/draw
_8c.html" target="source" name="DrawImage">DrawImage</a></h2>
</div>
<p>DrawImage() draws a graphic primitive on your image. The primitive may be represented as a string or filename. Precede the filename with an "at" sign (@) and the contents of the file are drawn on the image. You can affect how text is drawn by setting one or more members of the draw info structure.</p></ol>
<p>The format of the DrawImage method is:</p>
<pre class="code">
MagickBooleanType DrawImage(Image *image,const DrawInfo *draw_info)
</pre>
<p>A description of each parameter follows:</p></ol>
<h5>image</h5>
<ol><p>the image.</p></ol>
<h5>draw_info</h5>
<ol><p>the draw info.</p></ol>
<div style="margin: auto;">
<h2><a href="http://www.imagemagick.org/api/MagickCore/draw
_8c.html" target="source" name="DrawGradientImage">DrawGradientImage</a></h2>
</div>
<p>DrawGradientImage() draws a linear gradient on the image.</p></ol>
<p>The format of the DrawGradientImage method is:</p>
<pre class="code">
MagickBooleanType DrawGradientImage(Image *image,
const DrawInfo *draw_info)
</pre>
<p>A description of each parameter follows:</p></ol>
<h5>image</h5>
<ol><p>the image.</p></ol>
<h5>_info</h5>
<ol><p>the draw info.</p></ol>
<div style="margin: auto;">
<h2><a href="http://www.imagemagick.org/api/MagickCore/draw
_8c.html" target="source" name="DrawPatternPath">DrawPatternPath</a></h2>
</div>
<p>DrawPatternPath() draws a pattern.</p></ol>
<p>The format of the DrawPatternPath method is:</p>
<pre class="code">
MagickBooleanType DrawPatternPath(Image *image,const DrawInfo *draw_info,
const char *name,Image **pattern)
</pre>
<p>A description of each parameter follows:</p></ol>
<h5>image</h5>
<ol><p>the image.</p></ol>
<h5>draw_info</h5>
<ol><p>the draw info.</p></ol>
<h5>name</h5>
<ol><p>the pattern name.</p></ol>
<h5>image</h5>
<ol><p>the image.</p></ol>
<div style="margin: auto;">
<h2><a href="http://www.imagemagick.org/api/MagickCore/draw
_8c.html" target="source" name="DrawPrimitive">DrawPrimitive</a></h2>
</div>
<p>DrawPrimitive() draws a primitive (line, rectangle, ellipse) on the image.</p></ol>
<p>The format of the DrawPrimitive method is:</p>
<pre class="code">
MagickBooleanType DrawPrimitive(Image *image,const DrawInfo *draw_info,
PrimitiveInfo *primitive_info)
</pre>
<p>A description of each parameter follows:</p></ol>
<h5>image</h5>
<ol><p>the image.</p></ol>
<h5>draw_info</h5>
<ol><p>the draw info.</p></ol>
<h5>primitive_info</h5>
<ol><p>Specifies a pointer to a PrimitiveInfo structure.</p></ol>
<div style="margin: auto;">
<h2><a href="http://www.imagemagick.org/api/MagickCore/draw
_8c.html" target="source" name="GetAffineMatrix">GetAffineMatrix</a></h2>
</div>
<p>GetAffineMatrix() returns an AffineMatrix initialized to the identity matrix.</p></ol>
<p>The format of the GetAffineMatrix method is:</p>
<pre class="code">
void GetAffineMatrix(AffineMatrix *affine_matrix)
</pre>
<p>A description of each parameter follows:</p></ol>
<h5>affine_matrix</h5>
<ol><p>the affine matrix.</p></ol>
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