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196
197<div class="main">
198
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]199<h1>Module draw Methods</h1>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]200<p class="navigation-index">[<a href="#AcquireDrawInfo">AcquireDrawInfo</a> &bull; <a href="#CloneDrawInfo">CloneDrawInfo</a> &bull; <a href="#DestroyDrawInfo">DestroyDrawInfo</a> &bull; <a href="#DrawAffineImage">DrawAffineImage</a> &bull; <a href="#DrawClipPath">DrawClipPath</a> &bull; <a href="#DrawImage">DrawImage</a> &bull; <a href="#DrawGradientImage">DrawGradientImage</a> &bull; <a href="#DrawPatternPath">DrawPatternPath</a> &bull; <a href="#DrawPrimitive">DrawPrimitive</a> &bull; <a href="#GetAffineMatrix">GetAffineMatrix</a>]</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]201
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]202<h2><a href="http://www.imagemagick.org/api/MagickCore/draw_8c.html" id="AcquireDrawInfo">AcquireDrawInfo</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]203<div class="doc-section">
204
205<p>AcquireDrawInfo() returns a DrawInfo structure properly initialized.</p>
206
207<p>The format of the AcquireDrawInfo method is:</p>
208
209<pre class="code">
210 DrawInfo *AcquireDrawInfo(void)
211</pre>
212
213 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]214<h2><a href="http://www.imagemagick.org/api/MagickCore/draw_8c.html" id="CloneDrawInfo">CloneDrawInfo</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]215<div class="doc-section">
216
217<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>
218
219<p>The format of the CloneDrawInfo method is:</p>
220
221<pre class="code">
222 DrawInfo *CloneDrawInfo(const ImageInfo *image_info,
223 const DrawInfo *draw_info)
224</pre>
225
226<p>A description of each parameter follows:</p>
227
228<h5>image_info</h5>
229<p>the image info.</p>
230
231<h5>draw_info</h5>
232<p>the draw info.</p>
233
234 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]235<h2><a href="http://www.imagemagick.org/api/MagickCore/draw_8c.html" id="DestroyDrawInfo">DestroyDrawInfo</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]236<div class="doc-section">
237
238<p>DestroyDrawInfo() deallocates memory associated with an DrawInfo structure.</p>
239
240<p>The format of the DestroyDrawInfo method is:</p>
241
242<pre class="code">
243 DrawInfo *DestroyDrawInfo(DrawInfo *draw_info)
244</pre>
245
246<p>A description of each parameter follows:</p>
247
248<h5>draw_info</h5>
249<p>the draw info.</p>
250
251 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]252<h2><a href="http://www.imagemagick.org/api/MagickCore/draw_8c.html" id="DrawAffineImage">DrawAffineImage</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]253<div class="doc-section">
254
255<p>DrawAffineImage() composites the source over the destination image as dictated by the affine transform.</p>
256
257<p>The format of the DrawAffineImage method is:</p>
258
259<pre class="code">
260 MagickBooleanType DrawAffineImage(Image *image,const Image *source,
261 const AffineMatrix *affine)
262</pre>
263
264<p>A description of each parameter follows:</p>
265
266<h5>image</h5>
267<p>the image.</p>
268
269<h5>source</h5>
270<p>the source image.</p>
271
272<h5>affine</h5>
273<p>the affine transform.</p>
274
275 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]276<h2><a href="http://www.imagemagick.org/api/MagickCore/draw_8c.html" id="DrawClipPath">DrawClipPath</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]277<div class="doc-section">
278
279<p>DrawClipPath() draws the clip path on the image mask.</p>
280
281<p>The format of the DrawClipPath method is:</p>
282
283<pre class="code">
284 MagickBooleanType DrawClipPath(Image *image,const DrawInfo *draw_info,
285 const char *name)
286</pre>
287
288<p>A description of each parameter follows:</p>
289
290<h5>image</h5>
291<p>the image.</p>
292
293<h5>draw_info</h5>
294<p>the draw info.</p>
295
296<h5>name</h5>
297<p>the name of the clip path.</p>
298
299 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]300<h2><a href="http://www.imagemagick.org/api/MagickCore/draw_8c.html" id="DrawImage">DrawImage</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]301<div class="doc-section">
302
303<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>
304
305<p>The format of the DrawImage method is:</p>
306
307<pre class="code">
308 MagickBooleanType DrawImage(Image *image,const DrawInfo *draw_info)
309</pre>
310
311<p>A description of each parameter follows:</p>
312
313<h5>image</h5>
314<p>the image.</p>
315
316<h5>draw_info</h5>
317<p>the draw info.</p>
318
319 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]320<h2><a href="http://www.imagemagick.org/api/MagickCore/draw_8c.html" id="DrawGradientImage">DrawGradientImage</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]321<div class="doc-section">
322
323<p>DrawGradientImage() draws a linear gradient on the image.</p>
324
325<p>The format of the DrawGradientImage method is:</p>
326
327<pre class="code">
328 MagickBooleanType DrawGradientImage(Image *image,
329 const DrawInfo *draw_info)
330</pre>
331
332<p>A description of each parameter follows:</p>
333
334<h5>image</h5>
335<p>the image.</p>
336
337<h5>_info</h5>
338<p>the draw info.</p>
339
340 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]341<h2><a href="http://www.imagemagick.org/api/MagickCore/draw_8c.html" id="DrawPatternPath">DrawPatternPath</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]342<div class="doc-section">
343
344<p>DrawPatternPath() draws a pattern.</p>
345
346<p>The format of the DrawPatternPath method is:</p>
347
348<pre class="code">
349 MagickBooleanType DrawPatternPath(Image *image,const DrawInfo *draw_info,
350 const char *name,Image **pattern)
351</pre>
352
353<p>A description of each parameter follows:</p>
354
355<h5>image</h5>
356<p>the image.</p>
357
358<h5>draw_info</h5>
359<p>the draw info.</p>
360
361<h5>name</h5>
362<p>the pattern name.</p>
363
364<h5>image</h5>
365<p>the image.</p>
366
367 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]368<h2><a href="http://www.imagemagick.org/api/MagickCore/draw_8c.html" id="DrawPrimitive">DrawPrimitive</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]369<div class="doc-section">
370
371<p>DrawPrimitive() draws a primitive (line, rectangle, ellipse) on the image.</p>
372
373<p>The format of the DrawPrimitive method is:</p>
374
375<pre class="code">
376 MagickBooleanType DrawPrimitive(Image *image,const DrawInfo *draw_info,
377 PrimitiveInfo *primitive_info)
378</pre>
379
380<p>A description of each parameter follows:</p>
381
382<h5>image</h5>
383<p>the image.</p>
384
385<h5>draw_info</h5>
386<p>the draw info.</p>
387
388<h5>primitive_info</h5>
389<p>Specifies a pointer to a PrimitiveInfo structure.</p>
390
391 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]392<h2><a href="http://www.imagemagick.org/api/MagickCore/draw_8c.html" id="GetAffineMatrix">GetAffineMatrix</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]393<div class="doc-section">
394
395<p>GetAffineMatrix() returns an AffineMatrix initialized to the identity matrix.</p>
396
397<p>The format of the GetAffineMatrix method is:</p>
398
399<pre class="code">
400 void GetAffineMatrix(AffineMatrix *affine_matrix)
401</pre>
402
403<p>A description of each parameter follows:</p>
404
405<h5>affine_matrix</h5>
406<p>the affine matrix.</p>
407
408 </div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]409
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