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194<div class="main">
195
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]196<h1>Module draw Methods</h1>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]197<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]198
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]199<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]200<div class="doc-section">
201
202<p>AcquireDrawInfo() returns a DrawInfo structure properly initialized.</p>
203
204<p>The format of the AcquireDrawInfo method is:</p>
205
206<pre class="code">
207 DrawInfo *AcquireDrawInfo(void)
208</pre>
209
210 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]211<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]212<div class="doc-section">
213
214<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>
215
216<p>The format of the CloneDrawInfo method is:</p>
217
218<pre class="code">
219 DrawInfo *CloneDrawInfo(const ImageInfo *image_info,
220 const DrawInfo *draw_info)
221</pre>
222
223<p>A description of each parameter follows:</p>
224
225<h5>image_info</h5>
226<p>the image info.</p>
227
228<h5>draw_info</h5>
229<p>the draw info.</p>
230
231 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]232<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]233<div class="doc-section">
234
235<p>DestroyDrawInfo() deallocates memory associated with an DrawInfo structure.</p>
236
237<p>The format of the DestroyDrawInfo method is:</p>
238
239<pre class="code">
240 DrawInfo *DestroyDrawInfo(DrawInfo *draw_info)
241</pre>
242
243<p>A description of each parameter follows:</p>
244
245<h5>draw_info</h5>
246<p>the draw info.</p>
247
248 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]249<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]250<div class="doc-section">
251
252<p>DrawAffineImage() composites the source over the destination image as dictated by the affine transform.</p>
253
254<p>The format of the DrawAffineImage method is:</p>
255
256<pre class="code">
257 MagickBooleanType DrawAffineImage(Image *image,const Image *source,
258 const AffineMatrix *affine)
259</pre>
260
261<p>A description of each parameter follows:</p>
262
263<h5>image</h5>
264<p>the image.</p>
265
266<h5>source</h5>
267<p>the source image.</p>
268
269<h5>affine</h5>
270<p>the affine transform.</p>
271
272 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]273<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]274<div class="doc-section">
275
276<p>DrawClipPath() draws the clip path on the image mask.</p>
277
278<p>The format of the DrawClipPath method is:</p>
279
280<pre class="code">
281 MagickBooleanType DrawClipPath(Image *image,const DrawInfo *draw_info,
282 const char *name)
283</pre>
284
285<p>A description of each parameter follows:</p>
286
287<h5>image</h5>
288<p>the image.</p>
289
290<h5>draw_info</h5>
291<p>the draw info.</p>
292
293<h5>name</h5>
294<p>the name of the clip path.</p>
295
296 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]297<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]298<div class="doc-section">
299
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>
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
308<p>A description of each parameter follows:</p>
309
310<h5>image</h5>
311<p>the image.</p>
312
313<h5>draw_info</h5>
314<p>the draw info.</p>
315
316 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]317<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]318<div class="doc-section">
319
320<p>DrawGradientImage() draws a linear gradient on the image.</p>
321
322<p>The format of the DrawGradientImage method is:</p>
323
324<pre class="code">
325 MagickBooleanType DrawGradientImage(Image *image,
326 const DrawInfo *draw_info)
327</pre>
328
329<p>A description of each parameter follows:</p>
330
331<h5>image</h5>
332<p>the image.</p>
333
334<h5>_info</h5>
335<p>the draw info.</p>
336
337 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]338<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]339<div class="doc-section">
340
341<p>DrawPatternPath() draws a pattern.</p>
342
343<p>The format of the DrawPatternPath method is:</p>
344
345<pre class="code">
346 MagickBooleanType DrawPatternPath(Image *image,const DrawInfo *draw_info,
347 const char *name,Image **pattern)
348</pre>
349
350<p>A description of each parameter follows:</p>
351
352<h5>image</h5>
353<p>the image.</p>
354
355<h5>draw_info</h5>
356<p>the draw info.</p>
357
358<h5>name</h5>
359<p>the pattern name.</p>
360
361<h5>image</h5>
362<p>the image.</p>
363
364 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]365<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]366<div class="doc-section">
367
368<p>DrawPrimitive() draws a primitive (line, rectangle, ellipse) on the image.</p>
369
370<p>The format of the DrawPrimitive method is:</p>
371
372<pre class="code">
373 MagickBooleanType DrawPrimitive(Image *image,const DrawInfo *draw_info,
374 PrimitiveInfo *primitive_info)
375</pre>
376
377<p>A description of each parameter follows:</p>
378
379<h5>image</h5>
380<p>the image.</p>
381
382<h5>draw_info</h5>
383<p>the draw info.</p>
384
385<h5>primitive_info</h5>
386<p>Specifies a pointer to a PrimitiveInfo structure.</p>
387
388 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]389<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]390<div class="doc-section">
391
392<p>GetAffineMatrix() returns an AffineMatrix initialized to the identity matrix.</p>
393
394<p>The format of the GetAffineMatrix method is:</p>
395
396<pre class="code">
397 void GetAffineMatrix(AffineMatrix *affine_matrix)
398</pre>
399
400<p>A description of each parameter follows:</p>
401
402<h5>affine_matrix</h5>
403<p>the affine matrix.</p>
404
405 </div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]406
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