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<h1 class="fs-4">MagickCore, C API: Draw on an Image</h1>
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<h1 class="text-center">Draw</h1>
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Select API Method
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<ul class="dropdown-menu pre-scrollable" aria-labelledby="defaultDropdown">
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<li><a href="#AcquireDrawInfo">AcquireDrawInfo</a></li>
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<li><a href="#CloneDrawInfo">CloneDrawInfo</a></li>
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<li><a href="#DestroyDrawInfo">DestroyDrawInfo</a></li>
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<li><a href="#DrawAffineImage">DrawAffineImage</a></li>
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<li><a href="#DrawClipPath">DrawClipPath</a></li>
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<li><a href="#DrawClippingMask">DrawClippingMask</a></li>
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<li><a href="#DrawCompositeMask">DrawCompositeMask</a></li>
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<li><a href="#DrawGradientImage">DrawGradientImage</a></li>
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<li><a href="#DrawImage">DrawImage</a></li>
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<li><a href="#DrawPatternPath">DrawPatternPath</a></li>
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<div class="magick-header">
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<h2><a href="../../api/MagickCore/draw_8c.html" id="AcquireDrawInfo">AcquireDrawInfo</a></h2>
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<p>AcquireDrawInfo() returns a DrawInfo structure properly initialized.</p>
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<p>The format of the AcquireDrawInfo method is:</p>
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<pre class="bg-light text-dark mx-4"><samp>DrawInfo *AcquireDrawInfo(void)
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</samp></pre>
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<h2><a href="../../api/MagickCore/draw_8c.html" id="CloneDrawInfo">CloneDrawInfo</a></h2>
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<p>CloneDrawInfo() makes a copy of the given draw_info structure. If NULL is specified, a new DrawInfo structure is created initialized to default values.</p>
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<p>The format of the CloneDrawInfo method is:</p>
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<pre class="bg-light text-dark mx-4"><samp>DrawInfo *CloneDrawInfo(const ImageInfo *image_info,
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const DrawInfo *draw_info)
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</samp></pre>
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<p>A description of each parameter follows:</p>
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<dd>
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</dd>
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<dd> </dd>
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<dl class="dl-horizontal">
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<dt>image_info</dt>
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<dd>the image info. </dd>
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<dd> </dd>
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<dt>draw_info</dt>
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<dd>the draw info. </dd>
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<dd> </dd>
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</dl>
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<h2><a href="../../api/MagickCore/draw_8c.html" id="DestroyDrawInfo">DestroyDrawInfo</a></h2>
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<p>DestroyDrawInfo() deallocates memory associated with an DrawInfo structure.</p>
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<p>The format of the DestroyDrawInfo method is:</p>
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<pre class="bg-light text-dark mx-4"><samp>DrawInfo *DestroyDrawInfo(DrawInfo *draw_info)
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</samp></pre>
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<p>A description of each parameter follows:</p>
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<dd>
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</dd>
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<dd> </dd>
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<dl class="dl-horizontal">
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<dt>draw_info</dt>
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<dd>the draw info. </dd>
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<dd> </dd>
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</dl>
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<h2><a href="../../api/MagickCore/draw_8c.html" id="DrawAffineImage">DrawAffineImage</a></h2>
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<p>DrawAffineImage() composites the source over the destination image as dictated by the affine transform.</p>
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<p>The format of the DrawAffineImage method is:</p>
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<pre class="bg-light text-dark mx-4"><samp>MagickBooleanType DrawAffineImage(Image *image,const Image *source,
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const AffineMatrix *affine,ExceptionInfo *exception)
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</samp></pre>
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<p>A description of each parameter follows:</p>
|
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|
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<dd>
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</dd>
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<dd> </dd>
|
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<dl class="dl-horizontal">
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<dt>image</dt>
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<dd>the image. </dd>
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<dd> </dd>
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<dt>source</dt>
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<dd>the source image. </dd>
|
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|
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<dd> </dd>
|
||
<dt>affine</dt>
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||
<dd>the affine transform. </dd>
|
||
|
||
<dd> </dd>
|
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<dt>exception</dt>
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||
<dd>return any errors or warnings in this structure. </dd>
|
||
|
||
<dd> </dd>
|
||
</dl>
|
||
<h2><a href="../../api/MagickCore/draw_8c.html" id="DrawClipPath">DrawClipPath</a></h2>
|
||
|
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<p>DrawClipPath() draws the clip path on the image mask.</p>
|
||
|
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<p>The format of the DrawClipPath method is:</p>
|
||
|
||
<pre class="bg-light text-dark mx-4"><samp>MagickBooleanType DrawClipPath(Image *image,const DrawInfo *draw_info,
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const char *id,ExceptionInfo *exception)
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||
</samp></pre>
|
||
|
||
<p>A description of each parameter follows:</p>
|
||
|
||
<dd>
|
||
</dd>
|
||
|
||
<dd> </dd>
|
||
<dl class="dl-horizontal">
|
||
<dt>image</dt>
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<dd>the image. </dd>
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|
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<dd> </dd>
|
||
<dt>draw_info</dt>
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<dd>the draw info. </dd>
|
||
|
||
<dd> </dd>
|
||
<dt>id</dt>
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||
<dd>the clip path id. </dd>
|
||
|
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<dd> </dd>
|
||
<dt>exception</dt>
|
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<dd>return any errors or warnings in this structure. </dd>
|
||
|
||
<dd> </dd>
|
||
</dl>
|
||
<h2><a href="../../api/MagickCore/draw_8c.html" id="DrawClippingMask">DrawClippingMask</a></h2>
|
||
|
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<p>DrawClippingMask() draws the clip path and returns it as an image clipping mask.</p>
|
||
|
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<p>The format of the DrawClippingMask method is:</p>
|
||
|
||
<pre class="bg-light text-dark mx-4"><samp>Image *DrawClippingMask(Image *image,const DrawInfo *draw_info,
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const char *id,const char *clip_path,ExceptionInfo *exception)
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||
</samp></pre>
|
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|
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<p>A description of each parameter follows:</p>
|
||
|
||
<dd>
|
||
</dd>
|
||
|
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<dd> </dd>
|
||
<dl class="dl-horizontal">
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<dt>image</dt>
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<dd>the image. </dd>
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<dd> </dd>
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<dt>draw_info</dt>
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<dd>the draw info. </dd>
|
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|
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<dd> </dd>
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<dt>id</dt>
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<dd>the clip path id. </dd>
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<dd> </dd>
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<dt>clip_path</dt>
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<dd>the clip path. </dd>
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<dd> </dd>
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<dt>exception</dt>
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<dd>return any errors or warnings in this structure. </dd>
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|
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<dd> </dd>
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</dl>
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<h2><a href="../../api/MagickCore/draw_8c.html" id="DrawCompositeMask">DrawCompositeMask</a></h2>
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<p>DrawCompositeMask() draws the mask path and returns it as an image mask.</p>
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<p>The format of the DrawCompositeMask method is:</p>
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<pre class="bg-light text-dark mx-4"><samp>Image *DrawCompositeMask(Image *image,const DrawInfo *draw_info,
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const char *id,const char *mask_path,ExceptionInfo *exception)
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||
</samp></pre>
|
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|
||
<p>A description of each parameter follows:</p>
|
||
|
||
<dd>
|
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</dd>
|
||
|
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<dd> </dd>
|
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<dl class="dl-horizontal">
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<dt>image</dt>
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<dd>the image. </dd>
|
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|
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<dd> </dd>
|
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<dt>draw_info</dt>
|
||
<dd>the draw info. </dd>
|
||
|
||
<dd> </dd>
|
||
<dt>id</dt>
|
||
<dd>the mask path id. </dd>
|
||
|
||
<dd> </dd>
|
||
<dt>mask_path</dt>
|
||
<dd>the mask path. </dd>
|
||
|
||
<dd> </dd>
|
||
<dt>exception</dt>
|
||
<dd>return any errors or warnings in this structure. </dd>
|
||
|
||
<dd> </dd>
|
||
</dl>
|
||
<h2><a href="../../api/MagickCore/draw_8c.html" id="DrawGradientImage">DrawGradientImage</a></h2>
|
||
|
||
<p>DrawGradientImage() draws a linear gradient on the image.</p>
|
||
|
||
<p>The format of the DrawGradientImage method is:</p>
|
||
|
||
<pre class="bg-light text-dark mx-4"><samp>MagickBooleanType DrawGradientImage(Image *image,
|
||
const DrawInfo *draw_info,ExceptionInfo *exception)
|
||
</samp></pre>
|
||
|
||
<p>A description of each parameter follows:</p>
|
||
|
||
<dd>
|
||
</dd>
|
||
|
||
<dd> </dd>
|
||
<dl class="dl-horizontal">
|
||
<dt>image</dt>
|
||
<dd>the image. </dd>
|
||
|
||
<dd> </dd>
|
||
<dt>draw_info</dt>
|
||
<dd>the draw info. </dd>
|
||
|
||
<dd> </dd>
|
||
<dt>exception</dt>
|
||
<dd>return any errors or warnings in this structure. </dd>
|
||
|
||
<dd> </dd>
|
||
</dl>
|
||
<h2><a href="../../api/MagickCore/draw_8c.html" id="DrawImage">DrawImage</a></h2>
|
||
|
||
<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>
|
||
|
||
<p>The format of the DrawImage method is:</p>
|
||
|
||
<pre class="bg-light text-dark mx-4"><samp>MagickBooleanType DrawImage(Image *image,const DrawInfo *draw_info,
|
||
ExceptionInfo *exception)
|
||
</samp></pre>
|
||
|
||
<p>A description of each parameter follows:</p>
|
||
|
||
<dd>
|
||
</dd>
|
||
|
||
<dd> </dd>
|
||
<dl class="dl-horizontal">
|
||
<dt>image</dt>
|
||
<dd>the image. </dd>
|
||
|
||
<dd> </dd>
|
||
<dt>draw_info</dt>
|
||
<dd>the draw info. </dd>
|
||
|
||
<dd> </dd>
|
||
<dt>exception</dt>
|
||
<dd>return any errors or warnings in this structure. </dd>
|
||
|
||
<dd> </dd>
|
||
</dl>
|
||
<h2><a href="../../api/MagickCore/draw_8c.html" id="DrawPatternPath">DrawPatternPath</a></h2>
|
||
|
||
<p>DrawPatternPath() draws a pattern.</p>
|
||
|
||
<p>The format of the DrawPatternPath method is:</p>
|
||
|
||
<pre class="bg-light text-dark mx-4"><samp>MagickBooleanType DrawPatternPath(Image *image,const DrawInfo *draw_info,
|
||
const char *name,Image **pattern,ExceptionInfo *exception)
|
||
</samp></pre>
|
||
|
||
<p>A description of each parameter follows:</p>
|
||
|
||
<dd>
|
||
</dd>
|
||
|
||
<dd> </dd>
|
||
<dl class="dl-horizontal">
|
||
<dt>image</dt>
|
||
<dd>the image. </dd>
|
||
|
||
<dd> </dd>
|
||
<dt>draw_info</dt>
|
||
<dd>the draw info. </dd>
|
||
|
||
<dd> </dd>
|
||
<dt>name</dt>
|
||
<dd>the pattern name. </dd>
|
||
|
||
<dd> </dd>
|
||
<dt>image</dt>
|
||
<dd>the image. </dd>
|
||
|
||
<dd> </dd>
|
||
<dt>exception</dt>
|
||
<dd>return any errors or warnings in this structure. </dd>
|
||
|
||
<dd> </dd>
|
||
</dl>
|
||
<h2><a href="../../api/MagickCore/draw_8c.html" id="DrawPrimitive">DrawPrimitive</a></h2>
|
||
|
||
<p>DrawPrimitive() draws a primitive (line, rectangle, ellipse) on the image.</p>
|
||
|
||
<p>The format of the DrawPrimitive method is:</p>
|
||
|
||
<pre class="bg-light text-dark mx-4"><samp>MagickBooleanType DrawPrimitive(Image *image,const DrawInfo *draw_info,
|
||
PrimitiveInfo *primitive_info,ExceptionInfo *exception)
|
||
</samp></pre>
|
||
|
||
<p>A description of each parameter follows:</p>
|
||
|
||
<dd>
|
||
</dd>
|
||
|
||
<dd> </dd>
|
||
<dl class="dl-horizontal">
|
||
<dt>image</dt>
|
||
<dd>the image. </dd>
|
||
|
||
<dd> </dd>
|
||
<dt>draw_info</dt>
|
||
<dd>the draw info. </dd>
|
||
|
||
<dd> </dd>
|
||
<dt>primitive_info</dt>
|
||
<dd>Specifies a pointer to a PrimitiveInfo structure. </dd>
|
||
|
||
<dd> </dd>
|
||
<dt>exception</dt>
|
||
<dd>return any errors or warnings in this structure. </dd>
|
||
|
||
<dd> </dd>
|
||
</dl>
|
||
<h2><a href="../../api/MagickCore/draw_8c.html" id="GetAffineMatrix">GetAffineMatrix</a></h2>
|
||
|
||
<p>GetAffineMatrix() returns an AffineMatrix initialized to the identity matrix.</p>
|
||
|
||
<p>The format of the GetAffineMatrix method is:</p>
|
||
|
||
<pre class="bg-light text-dark mx-4"><samp>void GetAffineMatrix(AffineMatrix *affine_matrix)
|
||
</samp></pre>
|
||
|
||
<p>A description of each parameter follows:</p>
|
||
|
||
<dd>
|
||
</dd>
|
||
|
||
<dd> </dd>
|
||
<dl class="dl-horizontal">
|
||
<dt>affine_matrix</dt>
|
||
<dd>the affine matrix. </dd>
|
||
|
||
<dd> </dd>
|
||
</dl>
|
||
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