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186
187<div class="main">
188
cristy307ba182010-12-25 01:00:34 +0000[diff] [blame]189<h1>Module draw
190 Methods</h1>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]191<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>
192
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]193<h2><a href="http://www.wizards-toolkit.org/api/MagickCore/draw
194_8c.html" id="AcquireDrawInfo">AcquireDrawInfo</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]195<div class="doc-section">
196
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]197<p>AcquireDrawInfo() returns a DrawInfo structure properly initialized.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]198
199<p>The format of the AcquireDrawInfo method is:</p>
200
201<pre class="code">
202 DrawInfo *AcquireDrawInfo(void)
203</pre>
204
205 </div>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]206<h2><a href="http://www.wizards-toolkit.org/api/MagickCore/draw
207_8c.html" id="CloneDrawInfo">CloneDrawInfo</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]208<div class="doc-section">
209
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]210<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>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]211
212<p>The format of the CloneDrawInfo method is:</p>
213
214<pre class="code">
215 DrawInfo *CloneDrawInfo(const ImageInfo *image_info,
216 const DrawInfo *draw_info)
217</pre>
218
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]219<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]220
221<h5>image_info</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]222<p>the image info.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]223
224<h5>draw_info</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]225<p>the draw info.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]226
227 </div>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]228<h2><a href="http://www.wizards-toolkit.org/api/MagickCore/draw
229_8c.html" id="DestroyDrawInfo">DestroyDrawInfo</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]230<div class="doc-section">
231
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]232<p>DestroyDrawInfo() deallocates memory associated with an DrawInfo structure.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]233
234<p>The format of the DestroyDrawInfo method is:</p>
235
236<pre class="code">
237 DrawInfo *DestroyDrawInfo(DrawInfo *draw_info)
238</pre>
239
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]240<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]241
242<h5>draw_info</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]243<p>the draw info.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]244
245 </div>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]246<h2><a href="http://www.wizards-toolkit.org/api/MagickCore/draw
247_8c.html" id="DrawAffineImage">DrawAffineImage</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]248<div class="doc-section">
249
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]250<p>DrawAffineImage() composites the source over the destination image as dictated by the affine transform.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]251
252<p>The format of the DrawAffineImage method is:</p>
253
254<pre class="code">
255 MagickBooleanType DrawAffineImage(Image *image,const Image *source,
256 const AffineMatrix *affine)
257</pre>
258
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]259<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]260
261<h5>image</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]262<p>the image.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]263
264<h5>source</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]265<p>the source image.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]266
267<h5>affine</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]268<p>the affine transform.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]269
270 </div>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]271<h2><a href="http://www.wizards-toolkit.org/api/MagickCore/draw
272_8c.html" id="DrawClipPath">DrawClipPath</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]273<div class="doc-section">
274
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]275<p>DrawClipPath() draws the clip path on the image mask.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]276
277<p>The format of the DrawClipPath method is:</p>
278
279<pre class="code">
280 MagickBooleanType DrawClipPath(Image *image,const DrawInfo *draw_info,
281 const char *name)
282</pre>
283
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]284<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]285
286<h5>image</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]287<p>the image.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]288
289<h5>draw_info</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]290<p>the draw info.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]291
292<h5>name</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]293<p>the name of the clip path.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]294
295 </div>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]296<h2><a href="http://www.wizards-toolkit.org/api/MagickCore/draw
297_8c.html" id="DrawImage">DrawImage</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]298<div class="doc-section">
299
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]300<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>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]301
302<p>The format of the DrawImage method is:</p>
303
304<pre class="code">
305 MagickBooleanType DrawImage(Image *image,const DrawInfo *draw_info)
306</pre>
307
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]308<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]309
310<h5>image</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]311<p>the image.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]312
313<h5>draw_info</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]314<p>the draw info.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]315
316 </div>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]317<h2><a href="http://www.wizards-toolkit.org/api/MagickCore/draw
318_8c.html" id="DrawGradientImage">DrawGradientImage</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]319<div class="doc-section">
320
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]321<p>DrawGradientImage() draws a linear gradient on the image.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]322
323<p>The format of the DrawGradientImage method is:</p>
324
325<pre class="code">
326 MagickBooleanType DrawGradientImage(Image *image,
327 const DrawInfo *draw_info)
328</pre>
329
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]330<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]331
332<h5>image</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]333<p>the image.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]334
335<h5>_info</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]336<p>the draw info.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]337
338 </div>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]339<h2><a href="http://www.wizards-toolkit.org/api/MagickCore/draw
340_8c.html" id="DrawPatternPath">DrawPatternPath</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]341<div class="doc-section">
342
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]343<p>DrawPatternPath() draws a pattern.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]344
345<p>The format of the DrawPatternPath method is:</p>
346
347<pre class="code">
348 MagickBooleanType DrawPatternPath(Image *image,const DrawInfo *draw_info,
349 const char *name,Image **pattern)
350</pre>
351
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]352<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]353
354<h5>image</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]355<p>the image.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]356
357<h5>draw_info</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]358<p>the draw info.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]359
360<h5>name</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]361<p>the pattern name.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]362
363<h5>image</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]364<p>the image.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]365
366 </div>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]367<h2><a href="http://www.wizards-toolkit.org/api/MagickCore/draw
368_8c.html" id="DrawPrimitive">DrawPrimitive</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]369<div class="doc-section">
370
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]371<p>DrawPrimitive() draws a primitive (line, rectangle, ellipse) on the image.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]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
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]380<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]381
382<h5>image</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]383<p>the image.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]384
385<h5>draw_info</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]386<p>the draw info.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]387
388<h5>primitive_info</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]389<p>Specifies a pointer to a PrimitiveInfo structure.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]390
391 </div>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]392<h2><a href="http://www.wizards-toolkit.org/api/MagickCore/draw
393_8c.html" id="GetAffineMatrix">GetAffineMatrix</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]394<div class="doc-section">
395
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]396<p>GetAffineMatrix() returns an AffineMatrix initialized to the identity matrix.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]397
398<p>The format of the GetAffineMatrix method is:</p>
399
400<pre class="code">
401 void GetAffineMatrix(AffineMatrix *affine_matrix)
402</pre>
403
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]404<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]405
406<h5>affine_matrix</h5>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]407<p>the affine matrix.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]408
409 </div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]410
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