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199
200<div class="main">
201
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]202<h1>Module draw Methods</h1>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]203<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]204
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]205<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]206<div class="doc-section">
207
208<p>AcquireDrawInfo() returns a DrawInfo structure properly initialized.</p>
209
210<p>The format of the AcquireDrawInfo method is:</p>
211
212<pre class="code">
213 DrawInfo *AcquireDrawInfo(void)
214</pre>
215
216 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]217<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]218<div class="doc-section">
219
220<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>
221
222<p>The format of the CloneDrawInfo method is:</p>
223
224<pre class="code">
225 DrawInfo *CloneDrawInfo(const ImageInfo *image_info,
226 const DrawInfo *draw_info)
227</pre>
228
229<p>A description of each parameter follows:</p>
230
231<h5>image_info</h5>
232<p>the image info.</p>
233
234<h5>draw_info</h5>
235<p>the draw info.</p>
236
237 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]238<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]239<div class="doc-section">
240
241<p>DestroyDrawInfo() deallocates memory associated with an DrawInfo structure.</p>
242
243<p>The format of the DestroyDrawInfo method is:</p>
244
245<pre class="code">
246 DrawInfo *DestroyDrawInfo(DrawInfo *draw_info)
247</pre>
248
249<p>A description of each parameter follows:</p>
250
251<h5>draw_info</h5>
252<p>the draw info.</p>
253
254 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]255<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]256<div class="doc-section">
257
258<p>DrawAffineImage() composites the source over the destination image as dictated by the affine transform.</p>
259
260<p>The format of the DrawAffineImage method is:</p>
261
262<pre class="code">
263 MagickBooleanType DrawAffineImage(Image *image,const Image *source,
264 const AffineMatrix *affine)
265</pre>
266
267<p>A description of each parameter follows:</p>
268
269<h5>image</h5>
270<p>the image.</p>
271
272<h5>source</h5>
273<p>the source image.</p>
274
275<h5>affine</h5>
276<p>the affine transform.</p>
277
278 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]279<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]280<div class="doc-section">
281
282<p>DrawClipPath() draws the clip path on the image mask.</p>
283
284<p>The format of the DrawClipPath method is:</p>
285
286<pre class="code">
287 MagickBooleanType DrawClipPath(Image *image,const DrawInfo *draw_info,
288 const char *name)
289</pre>
290
291<p>A description of each parameter follows:</p>
292
293<h5>image</h5>
294<p>the image.</p>
295
296<h5>draw_info</h5>
297<p>the draw info.</p>
298
299<h5>name</h5>
300<p>the name of the clip path.</p>
301
302 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]303<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]304<div class="doc-section">
305
306<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>
307
308<p>The format of the DrawImage method is:</p>
309
310<pre class="code">
311 MagickBooleanType DrawImage(Image *image,const DrawInfo *draw_info)
312</pre>
313
314<p>A description of each parameter follows:</p>
315
316<h5>image</h5>
317<p>the image.</p>
318
319<h5>draw_info</h5>
320<p>the draw info.</p>
321
322 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]323<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]324<div class="doc-section">
325
326<p>DrawGradientImage() draws a linear gradient on the image.</p>
327
328<p>The format of the DrawGradientImage method is:</p>
329
330<pre class="code">
331 MagickBooleanType DrawGradientImage(Image *image,
332 const DrawInfo *draw_info)
333</pre>
334
335<p>A description of each parameter follows:</p>
336
337<h5>image</h5>
338<p>the image.</p>
339
340<h5>_info</h5>
341<p>the draw info.</p>
342
343 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]344<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]345<div class="doc-section">
346
347<p>DrawPatternPath() draws a pattern.</p>
348
349<p>The format of the DrawPatternPath method is:</p>
350
351<pre class="code">
352 MagickBooleanType DrawPatternPath(Image *image,const DrawInfo *draw_info,
353 const char *name,Image **pattern)
354</pre>
355
356<p>A description of each parameter follows:</p>
357
358<h5>image</h5>
359<p>the image.</p>
360
361<h5>draw_info</h5>
362<p>the draw info.</p>
363
364<h5>name</h5>
365<p>the pattern name.</p>
366
367<h5>image</h5>
368<p>the image.</p>
369
370 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]371<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]372<div class="doc-section">
373
374<p>DrawPrimitive() draws a primitive (line, rectangle, ellipse) on the image.</p>
375
376<p>The format of the DrawPrimitive method is:</p>
377
378<pre class="code">
379 MagickBooleanType DrawPrimitive(Image *image,const DrawInfo *draw_info,
380 PrimitiveInfo *primitive_info)
381</pre>
382
383<p>A description of each parameter follows:</p>
384
385<h5>image</h5>
386<p>the image.</p>
387
388<h5>draw_info</h5>
389<p>the draw info.</p>
390
391<h5>primitive_info</h5>
392<p>Specifies a pointer to a PrimitiveInfo structure.</p>
393
394 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]395<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]396<div class="doc-section">
397
398<p>GetAffineMatrix() returns an AffineMatrix initialized to the identity matrix.</p>
399
400<p>The format of the GetAffineMatrix method is:</p>
401
402<pre class="code">
403 void GetAffineMatrix(AffineMatrix *affine_matrix)
404</pre>
405
406<p>A description of each parameter follows:</p>
407
408<h5>affine_matrix</h5>
409<p>the affine matrix.</p>
410
411 </div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]412
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