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213<div class="main">
214
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]215<h1>Module draw Methods</h1>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]216<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]217
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]218<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]219<div class="doc-section">
220
221<p>AcquireDrawInfo() returns a DrawInfo structure properly initialized.</p>
222
223<p>The format of the AcquireDrawInfo method is:</p>
224
225<pre class="code">
226 DrawInfo *AcquireDrawInfo(void)
227</pre>
228
229 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]230<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]231<div class="doc-section">
232
233<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>
234
235<p>The format of the CloneDrawInfo method is:</p>
236
237<pre class="code">
238 DrawInfo *CloneDrawInfo(const ImageInfo *image_info,
239 const DrawInfo *draw_info)
240</pre>
241
242<p>A description of each parameter follows:</p>
243
244<h5>image_info</h5>
245<p>the image info.</p>
246
247<h5>draw_info</h5>
248<p>the draw info.</p>
249
250 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]251<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]252<div class="doc-section">
253
254<p>DestroyDrawInfo() deallocates memory associated with an DrawInfo structure.</p>
255
256<p>The format of the DestroyDrawInfo method is:</p>
257
258<pre class="code">
259 DrawInfo *DestroyDrawInfo(DrawInfo *draw_info)
260</pre>
261
262<p>A description of each parameter follows:</p>
263
264<h5>draw_info</h5>
265<p>the draw info.</p>
266
267 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]268<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]269<div class="doc-section">
270
271<p>DrawAffineImage() composites the source over the destination image as dictated by the affine transform.</p>
272
273<p>The format of the DrawAffineImage method is:</p>
274
275<pre class="code">
276 MagickBooleanType DrawAffineImage(Image *image,const Image *source,
277 const AffineMatrix *affine)
278</pre>
279
280<p>A description of each parameter follows:</p>
281
282<h5>image</h5>
283<p>the image.</p>
284
285<h5>source</h5>
286<p>the source image.</p>
287
288<h5>affine</h5>
289<p>the affine transform.</p>
290
291 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]292<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]293<div class="doc-section">
294
295<p>DrawClipPath() draws the clip path on the image mask.</p>
296
297<p>The format of the DrawClipPath method is:</p>
298
299<pre class="code">
300 MagickBooleanType DrawClipPath(Image *image,const DrawInfo *draw_info,
301 const char *name)
302</pre>
303
304<p>A description of each parameter follows:</p>
305
306<h5>image</h5>
307<p>the image.</p>
308
309<h5>draw_info</h5>
310<p>the draw info.</p>
311
312<h5>name</h5>
313<p>the name of the clip path.</p>
314
315 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]316<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]317<div class="doc-section">
318
319<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>
320
321<p>The format of the DrawImage method is:</p>
322
323<pre class="code">
324 MagickBooleanType DrawImage(Image *image,const DrawInfo *draw_info)
325</pre>
326
327<p>A description of each parameter follows:</p>
328
329<h5>image</h5>
330<p>the image.</p>
331
332<h5>draw_info</h5>
333<p>the draw info.</p>
334
335 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]336<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]337<div class="doc-section">
338
339<p>DrawGradientImage() draws a linear gradient on the image.</p>
340
341<p>The format of the DrawGradientImage method is:</p>
342
343<pre class="code">
344 MagickBooleanType DrawGradientImage(Image *image,
345 const DrawInfo *draw_info)
346</pre>
347
348<p>A description of each parameter follows:</p>
349
350<h5>image</h5>
351<p>the image.</p>
352
353<h5>_info</h5>
354<p>the draw info.</p>
355
356 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]357<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]358<div class="doc-section">
359
360<p>DrawPatternPath() draws a pattern.</p>
361
362<p>The format of the DrawPatternPath method is:</p>
363
364<pre class="code">
365 MagickBooleanType DrawPatternPath(Image *image,const DrawInfo *draw_info,
366 const char *name,Image **pattern)
367</pre>
368
369<p>A description of each parameter follows:</p>
370
371<h5>image</h5>
372<p>the image.</p>
373
374<h5>draw_info</h5>
375<p>the draw info.</p>
376
377<h5>name</h5>
378<p>the pattern name.</p>
379
380<h5>image</h5>
381<p>the image.</p>
382
383 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]384<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]385<div class="doc-section">
386
387<p>DrawPrimitive() draws a primitive (line, rectangle, ellipse) on the image.</p>
388
389<p>The format of the DrawPrimitive method is:</p>
390
391<pre class="code">
392 MagickBooleanType DrawPrimitive(Image *image,const DrawInfo *draw_info,
393 PrimitiveInfo *primitive_info)
394</pre>
395
396<p>A description of each parameter follows:</p>
397
398<h5>image</h5>
399<p>the image.</p>
400
401<h5>draw_info</h5>
402<p>the draw info.</p>
403
404<h5>primitive_info</h5>
405<p>Specifies a pointer to a PrimitiveInfo structure.</p>
406
407 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]408<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]409<div class="doc-section">
410
411<p>GetAffineMatrix() returns an AffineMatrix initialized to the identity matrix.</p>
412
413<p>The format of the GetAffineMatrix method is:</p>
414
415<pre class="code">
416 void GetAffineMatrix(AffineMatrix *affine_matrix)
417</pre>
418
419<p>A description of each parameter follows:</p>
420
421<h5>affine_matrix</h5>
422<p>the affine matrix.</p>
423
424 </div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]425
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