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12 <title>ImageMagick: MagickCore, C API for ImageMagick: Draw on an Image</title>
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155 <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>
157 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw
158 _8c.html" target="source" name="AcquireDrawInfo">AcquireDrawInfo</a></h2>
159 <div class="doc-section">
161 <p>AcquireDrawInfo() returns a DrawInfo structure properly initialized.</p></ol>
163 <p>The format of the AcquireDrawInfo method is:</p>
166 DrawInfo *AcquireDrawInfo(void)
170 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw
171 _8c.html" target="source" name="CloneDrawInfo">CloneDrawInfo</a></h2>
172 <div class="doc-section">
174 <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>
176 <p>The format of the CloneDrawInfo method is:</p>
179 DrawInfo *CloneDrawInfo(const ImageInfo *image_info,
180 const DrawInfo *draw_info)
183 <p>A description of each parameter follows:</p></ol>
186 <ol><p>the image info.</p></ol>
189 <ol><p>the draw info.</p></ol>
192 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw
193 _8c.html" target="source" name="DestroyDrawInfo">DestroyDrawInfo</a></h2>
194 <div class="doc-section">
196 <p>DestroyDrawInfo() deallocates memory associated with an DrawInfo structure.</p></ol>
198 <p>The format of the DestroyDrawInfo method is:</p>
201 DrawInfo *DestroyDrawInfo(DrawInfo *draw_info)
204 <p>A description of each parameter follows:</p></ol>
207 <ol><p>the draw info.</p></ol>
210 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw
211 _8c.html" target="source" name="DrawAffineImage">DrawAffineImage</a></h2>
212 <div class="doc-section">
214 <p>DrawAffineImage() composites the source over the destination image as dictated by the affine transform.</p></ol>
216 <p>The format of the DrawAffineImage method is:</p>
219 MagickBooleanType DrawAffineImage(Image *image,const Image *source,
220 const AffineMatrix *affine)
223 <p>A description of each parameter follows:</p></ol>
226 <ol><p>the image.</p></ol>
229 <ol><p>the source image.</p></ol>
232 <ol><p>the affine transform.</p></ol>
235 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw
236 _8c.html" target="source" name="DrawClipPath">DrawClipPath</a></h2>
237 <div class="doc-section">
239 <p>DrawClipPath() draws the clip path on the image mask.</p></ol>
241 <p>The format of the DrawClipPath method is:</p>
244 MagickBooleanType DrawClipPath(Image *image,const DrawInfo *draw_info,
248 <p>A description of each parameter follows:</p></ol>
251 <ol><p>the image.</p></ol>
254 <ol><p>the draw info.</p></ol>
257 <ol><p>the name of the clip path.</p></ol>
260 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw
261 _8c.html" target="source" name="DrawImage">DrawImage</a></h2>
262 <div class="doc-section">
264 <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>
266 <p>The format of the DrawImage method is:</p>
269 MagickBooleanType DrawImage(Image *image,const DrawInfo *draw_info)
272 <p>A description of each parameter follows:</p></ol>
275 <ol><p>the image.</p></ol>
278 <ol><p>the draw info.</p></ol>
281 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw
282 _8c.html" target="source" name="DrawGradientImage">DrawGradientImage</a></h2>
283 <div class="doc-section">
285 <p>DrawGradientImage() draws a linear gradient on the image.</p></ol>
287 <p>The format of the DrawGradientImage method is:</p>
290 MagickBooleanType DrawGradientImage(Image *image,
291 const DrawInfo *draw_info)
294 <p>A description of each parameter follows:</p></ol>
297 <ol><p>the image.</p></ol>
300 <ol><p>the draw info.</p></ol>
303 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw
304 _8c.html" target="source" name="DrawPatternPath">DrawPatternPath</a></h2>
305 <div class="doc-section">
307 <p>DrawPatternPath() draws a pattern.</p></ol>
309 <p>The format of the DrawPatternPath method is:</p>
312 MagickBooleanType DrawPatternPath(Image *image,const DrawInfo *draw_info,
313 const char *name,Image **pattern)
316 <p>A description of each parameter follows:</p></ol>
319 <ol><p>the image.</p></ol>
322 <ol><p>the draw info.</p></ol>
325 <ol><p>the pattern name.</p></ol>
328 <ol><p>the image.</p></ol>
331 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw
332 _8c.html" target="source" name="DrawPrimitive">DrawPrimitive</a></h2>
333 <div class="doc-section">
335 <p>DrawPrimitive() draws a primitive (line, rectangle, ellipse) on the image.</p></ol>
337 <p>The format of the DrawPrimitive method is:</p>
340 MagickBooleanType DrawPrimitive(Image *image,const DrawInfo *draw_info,
341 PrimitiveInfo *primitive_info)
344 <p>A description of each parameter follows:</p></ol>
347 <ol><p>the image.</p></ol>
350 <ol><p>the draw info.</p></ol>
352 <h5>primitive_info</h5>
353 <ol><p>Specifies a pointer to a PrimitiveInfo structure.</p></ol>
356 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw
357 _8c.html" target="source" name="GetAffineMatrix">GetAffineMatrix</a></h2>
358 <div class="doc-section">
360 <p>GetAffineMatrix() returns an AffineMatrix initialized to the identity matrix.</p></ol>
362 <p>The format of the GetAffineMatrix method is:</p>
365 void GetAffineMatrix(AffineMatrix *affine_matrix)
368 <p>A description of each parameter follows:</p></ol>
370 <h5>affine_matrix</h5>
371 <ol><p>the affine matrix.</p></ol>
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