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12 <title>ImageMagick: MagickCore, C API for ImageMagick: Draw on an Image</title>
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167 <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>
169 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw
170 _8c.html" target="source" name="AcquireDrawInfo">AcquireDrawInfo</a></h2>
171 <div class="doc-section">
173 <p>AcquireDrawInfo() returns a DrawInfo structure properly initialized.</p></ol>
175 <p>The format of the AcquireDrawInfo method is:</p>
178 DrawInfo *AcquireDrawInfo(void)
182 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw
183 _8c.html" target="source" name="CloneDrawInfo">CloneDrawInfo</a></h2>
184 <div class="doc-section">
186 <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>
188 <p>The format of the CloneDrawInfo method is:</p>
191 DrawInfo *CloneDrawInfo(const ImageInfo *image_info,
192 const DrawInfo *draw_info)
195 <p>A description of each parameter follows:</p></ol>
198 <ol><p>the image info.</p></ol>
201 <ol><p>the draw info.</p></ol>
204 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw
205 _8c.html" target="source" name="DestroyDrawInfo">DestroyDrawInfo</a></h2>
206 <div class="doc-section">
208 <p>DestroyDrawInfo() deallocates memory associated with an DrawInfo structure.</p></ol>
210 <p>The format of the DestroyDrawInfo method is:</p>
213 DrawInfo *DestroyDrawInfo(DrawInfo *draw_info)
216 <p>A description of each parameter follows:</p></ol>
219 <ol><p>the draw info.</p></ol>
222 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw
223 _8c.html" target="source" name="DrawAffineImage">DrawAffineImage</a></h2>
224 <div class="doc-section">
226 <p>DrawAffineImage() composites the source over the destination image as dictated by the affine transform.</p></ol>
228 <p>The format of the DrawAffineImage method is:</p>
231 MagickBooleanType DrawAffineImage(Image *image,const Image *source,
232 const AffineMatrix *affine)
235 <p>A description of each parameter follows:</p></ol>
238 <ol><p>the image.</p></ol>
241 <ol><p>the source image.</p></ol>
244 <ol><p>the affine transform.</p></ol>
247 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw
248 _8c.html" target="source" name="DrawClipPath">DrawClipPath</a></h2>
249 <div class="doc-section">
251 <p>DrawClipPath() draws the clip path on the image mask.</p></ol>
253 <p>The format of the DrawClipPath method is:</p>
256 MagickBooleanType DrawClipPath(Image *image,const DrawInfo *draw_info,
260 <p>A description of each parameter follows:</p></ol>
263 <ol><p>the image.</p></ol>
266 <ol><p>the draw info.</p></ol>
269 <ol><p>the name of the clip path.</p></ol>
272 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw
273 _8c.html" target="source" name="DrawImage">DrawImage</a></h2>
274 <div class="doc-section">
276 <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>
278 <p>The format of the DrawImage method is:</p>
281 MagickBooleanType DrawImage(Image *image,const DrawInfo *draw_info)
284 <p>A description of each parameter follows:</p></ol>
287 <ol><p>the image.</p></ol>
290 <ol><p>the draw info.</p></ol>
293 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw
294 _8c.html" target="source" name="DrawGradientImage">DrawGradientImage</a></h2>
295 <div class="doc-section">
297 <p>DrawGradientImage() draws a linear gradient on the image.</p></ol>
299 <p>The format of the DrawGradientImage method is:</p>
302 MagickBooleanType DrawGradientImage(Image *image,
303 const DrawInfo *draw_info)
306 <p>A description of each parameter follows:</p></ol>
309 <ol><p>the image.</p></ol>
312 <ol><p>the draw info.</p></ol>
315 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw
316 _8c.html" target="source" name="DrawPatternPath">DrawPatternPath</a></h2>
317 <div class="doc-section">
319 <p>DrawPatternPath() draws a pattern.</p></ol>
321 <p>The format of the DrawPatternPath method is:</p>
324 MagickBooleanType DrawPatternPath(Image *image,const DrawInfo *draw_info,
325 const char *name,Image **pattern)
328 <p>A description of each parameter follows:</p></ol>
331 <ol><p>the image.</p></ol>
334 <ol><p>the draw info.</p></ol>
337 <ol><p>the pattern name.</p></ol>
340 <ol><p>the image.</p></ol>
343 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw
344 _8c.html" target="source" name="DrawPrimitive">DrawPrimitive</a></h2>
345 <div class="doc-section">
347 <p>DrawPrimitive() draws a primitive (line, rectangle, ellipse) on the image.</p></ol>
349 <p>The format of the DrawPrimitive method is:</p>
352 MagickBooleanType DrawPrimitive(Image *image,const DrawInfo *draw_info,
353 PrimitiveInfo *primitive_info)
356 <p>A description of each parameter follows:</p></ol>
359 <ol><p>the image.</p></ol>
362 <ol><p>the draw info.</p></ol>
364 <h5>primitive_info</h5>
365 <ol><p>Specifies a pointer to a PrimitiveInfo structure.</p></ol>
368 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw
369 _8c.html" target="source" name="GetAffineMatrix">GetAffineMatrix</a></h2>
370 <div class="doc-section">
372 <p>GetAffineMatrix() returns an AffineMatrix initialized to the identity matrix.</p></ol>
374 <p>The format of the GetAffineMatrix method is:</p>
377 void GetAffineMatrix(AffineMatrix *affine_matrix)
380 <p>A description of each parameter follows:</p></ol>
382 <h5>affine_matrix</h5>
383 <ol><p>the affine matrix.</p></ol>
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