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197<div class="main">
198
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]199<h1>Module color Methods</h1>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]200<p class="navigation-index">[<a href="#GetColorInfoList">GetColorInfoList</a> &bull; <a href="#GetColorList">GetColorList</a> &bull; <a href="#ListColorInfo">ListColorInfo</a> &bull; <a href="#LoadColorList">LoadColorList</a> &bull; <a href="#QueryColorDatabase">QueryColorDatabase</a> &bull; <a href="#QueryColorDatabase">QueryColorDatabase</a> &bull; <a href="#QueryColorname">QueryColorname</a> &bull; <a href="#QueryMagickColorCompliance">QueryMagickColorCompliance</a> &bull; <a href="#QueryMagickColor">QueryMagickColor</a> &bull; <a href="#QueryMagickColorname">QueryMagickColorname</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/color_8c.html" id="GetColorInfoList">GetColorInfoList</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]203<div class="doc-section">
204
205<p>GetColorInfoList() returns any colors that match the specified pattern.</p>
206
207<p>The format of the GetColorInfoList function is:</p>
208
209<pre class="text">
210 const ColorInfo **GetColorInfoList(const char *pattern,
211 size_t *number_colors,ExceptionInfo *exception)
212</pre>
213
214<p>A description of each parameter follows:</p>
215
216<h5>pattern</h5>
217<p>Specifies a pointer to a text string containing a pattern.</p>
218
219<h5>number_colors</h5>
220<p>This integer returns the number of colors in the list.</p>
221
222<h5>exception</h5>
223<p>return any errors or warnings in this structure.</p>
224
225 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]226<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="GetColorList">GetColorList</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]227<div class="doc-section">
228
229<p>GetColorList() returns any colors that match the specified pattern.</p>
230
231<p>The format of the GetColorList function is:</p>
232
233<pre class="text">
234 char **GetColorList(const char *pattern,size_t *number_colors,
235 ExceptionInfo *exception)
236</pre>
237
238<p>A description of each parameter follows:</p>
239
240<h5>pattern</h5>
241<p>Specifies a pointer to a text string containing a pattern.</p>
242
243<h5>number_colors</h5>
244<p>This integer returns the number of colors in the list.</p>
245
246<h5>exception</h5>
247<p>return any errors or warnings in this structure.</p>
248
249 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]250<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="ListColorInfo">ListColorInfo</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]251<div class="doc-section">
252
253<p>ListColorInfo() lists color names to the specified file. Color names are a convenience. Rather than defining a color by its red, green, and blue intensities just use a color name such as white, blue, or yellow.</p>
254
255<p>The format of the ListColorInfo method is:</p>
256
257<pre class="code">
258 MagickBooleanType ListColorInfo(FILE *file,ExceptionInfo *exception)
259</pre>
260
261<p>A description of each parameter follows.</p>
262
263<h5>file</h5>
264<p>List color names to this file handle.</p>
265
266<h5>exception</h5>
267<p>return any errors or warnings in this structure.</p>
268
269 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]270<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="LoadColorList">LoadColorList</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]271<div class="doc-section">
272
273<p>LoadColorList() loads one or more color configuration file which provides a mapping between color attributes and a color name.</p>
274
275<p>The format of the LoadColorLists method is:</p>
276
277<pre class="code">
278 MagickBooleanType LoadColorLists(const char *filename,
279 ExceptionInfo *exception)
280</pre>
281
282<p>A description of each parameter follows:</p>
283
284<h5>filename</h5>
285<p>the font file name.</p>
286
287<h5>exception</h5>
288<p>return any errors or warnings in this structure.</p>
289
290 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]291<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="QueryColorDatabase">QueryColorDatabase</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]292<div class="doc-section">
293
294<p>QueryColorDatabase() returns the red, green, blue, and opacity intensities for a given color name.</p>
295
296<p>The format of the QueryColorDatabase method is:</p>
297
298<pre class="code">
299 MagickBooleanType QueryColorDatabase(const char *name,
300 const ComplianceType compliance,PixelPacket *color,
301 ExceptionInfo *exception)
302</pre>
303
304<p>A description of each parameter follows:</p>
305
306<h5>name</h5>
307<p>the color name (e.g. white, blue, yellow).</p>
308
309<h5>compliance</h5>
310<p>Adhere to this color standard: SVG, X11, or XPM.</p>
311
312<h5>color</h5>
313<p>the red, green, blue, and opacity intensities values of the named color in this structure.</p>
314
315<h5>exception</h5>
316<p>return any errors or warnings in this structure.</p>
317
318 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]319<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="QueryColorDatabase">QueryColorDatabase</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]320<div class="doc-section">
321
322<p>QueryColorDatabase() returns the red, green, blue, and opacity intensities for a given color name.</p>
323
324<p>The format of the QueryColorDatabase method is:</p>
325
326<pre class="code">
327 MagickBooleanType QueryColorDatabase(const char *name,PixelPacket *color,
328 ExceptionInfo *exception)
329</pre>
330
331<p>A description of each parameter follows:</p>
332
333<h5>name</h5>
334<p>the color name (e.g. white, blue, yellow).</p>
335
336<h5>color</h5>
337<p>the red, green, blue, and opacity intensities values of the named color in this structure.</p>
338
339<h5>exception</h5>
340<p>return any errors or warnings in this structure.</p>
341
342 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]343<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="QueryColorname">QueryColorname</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]344<div class="doc-section">
345
346<p>QueryColorname() returns a named color for the given color intensity. If an exact match is not found, a rgb() color is returned instead.</p>
347
348<p>The format of the QueryColorname method is:</p>
349
350<pre class="code">
351 MagickBooleanType QueryColorname(const Image *image,
352 const PixelPacket *color,const ComplianceType compliance,char *name,
353 ExceptionInfo *exception)
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>color</h5>
362<p>the color intensities.</p>
363
364<h5>compliance</h5>
365<p>Adhere to this color standard: SVG, X11, or XPM.</p>
366
367<h5>name</h5>
368<p>Return the color name or hex value.</p>
369
370<h5>exception</h5>
371<p>return any errors or warnings in this structure.</p>
372
373 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]374<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="QueryMagickColorCompliance">QueryMagickColorCompliance</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]375<div class="doc-section">
376
377<p>QueryMagickColorCompliance() returns the red, green, blue, and opacity intensities for a given color name and standards compliance.</p>
378
379<p>The format of the QueryMagickColor method is:</p>
380
381<pre class="code">
382 MagickBooleanType QueryMagickColor(const char *name,
383 const ComplianceType compliance,MagickPixelPacket *color,
384 ExceptionInfo *exception)
385</pre>
386
387<p>A description of each parameter follows:</p>
388
389<h5>name</h5>
390<p>the color name (e.g. white, blue, yellow).</p>
391
392<h5>compliance</h5>
393<p>Adhere to this color standard: SVG, X11, or XPM.</p>
394
395<h5>color</h5>
396<p>the red, green, blue, and opacity intensities values of the named color in this structure.</p>
397
398<h5>exception</h5>
399<p>return any errors or warnings in this structure.</p>
400
401 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]402<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="QueryMagickColor">QueryMagickColor</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]403<div class="doc-section">
404
405<p>QueryMagickColor() returns the red, green, blue, and opacity intensities for a given color name.</p>
406
407<p>The format of the QueryMagickColor method is:</p>
408
409<pre class="code">
410 MagickBooleanType QueryMagickColor(const char *name,
411 MagickPixelPacket *color,ExceptionInfo *exception)
412</pre>
413
414<p>A description of each parameter follows:</p>
415
416<h5>name</h5>
417<p>the color name (e.g. white, blue, yellow).</p>
418
419<h5>color</h5>
420<p>the red, green, blue, and opacity intensities values of the named color in this structure.</p>
421
422<h5>exception</h5>
423<p>return any errors or warnings in this structure.</p>
424
425 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]426<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="QueryMagickColorname">QueryMagickColorname</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]427<div class="doc-section">
428
429<p>QueryMagickColorname() returns a named color for the given color intensity. If an exact match is not found, a hex value is returned instead. For example an intensity of rgb:(0,0,0) returns black whereas rgb:(223,223,223) returns #dfdfdf.</p>
430
431<p>The format of the QueryMagickColorname method is:</p>
432
433<pre class="code">
434 MagickBooleanType QueryMagickColorname(const Image *image,
435 const PixelPacket *color,const ComplianceType compliance,char *name,
436 ExceptionInfo *exception)
437</pre>
438
439<p>A description of each parameter follows.</p>
440
441<h5>image</h5>
442<p>the image.</p>
443
444<h5>color</h5>
445<p>the color intensities.</p>
446
447<h5>Compliance</h5>
448<p>Adhere to this color standard: SVG, X11, or XPM.</p>
449
450<h5>name</h5>
451<p>Return the color name or hex value.</p>
452
453<h5>exception</h5>
454<p>return any errors or warnings in this structure.</p>
455
456 </div>
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