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222
223<div class="main">
224
cristy20398432011-08-11 01:31:50 +0000[diff] [blame]225<h1>Module color Methods</h1>
cristydba8f1d2013-07-28 13:49:24 +0000[diff] [blame]226<p class="navigation-index">[<a href="color.html#GetColorInfoList">GetColorInfoList</a> &#8226; <a href="color.html#GetColorList">GetColorList</a> &#8226; <a href="color.html#ListColorInfo">ListColorInfo</a> &#8226; <a href="color.html#LoadColorList">LoadColorList</a> &#8226; <a href="color.html#QueryColorCompliance">QueryColorCompliance</a> &#8226; <a href="color.html#QueryColorDatabase">QueryColorDatabase</a> &#8226; <a href="color.html#QueryColorname">QueryColorname</a> &#8226; <a href="color.html#QueryMagickColorCompliance">QueryMagickColorCompliance</a> &#8226; <a href="color.html#QueryMagickColor">QueryMagickColor</a> &#8226; <a href="color.html#QueryMagickColorname">QueryMagickColorname</a>]</p>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]227
cristy20398432011-08-11 01:31:50 +0000[diff] [blame]228<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="GetColorInfoList">GetColorInfoList</a></h2>
229<div class="doc-section">
230
231<p>GetColorInfoList() returns any colors that match the specified pattern.</p>
232
233<p>The format of the GetColorInfoList function is:</p>
234
235<pre class="text">
236 const ColorInfo **GetColorInfoList(const char *pattern,
237 size_t *number_colors,ExceptionInfo *exception)
238</pre>
239
240<p>A description of each parameter follows:</p>
241
242<h5>pattern</h5>
243<p>Specifies a pointer to a text string containing a pattern.</p>
244
245<h5>number_colors</h5>
246<p>This integer returns the number of colors in the list.</p>
247
248<h5>exception</h5>
249<p>return any errors or warnings in this structure.</p>
250
251 </div>
252<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="GetColorList">GetColorList</a></h2>
253<div class="doc-section">
254
255<p>GetColorList() returns any colors that match the specified pattern.</p>
256
257<p>The format of the GetColorList function is:</p>
258
259<pre class="text">
260 char **GetColorList(const char *pattern,size_t *number_colors,
261 ExceptionInfo *exception)
262</pre>
263
264<p>A description of each parameter follows:</p>
265
266<h5>pattern</h5>
267<p>Specifies a pointer to a text string containing a pattern.</p>
268
269<h5>number_colors</h5>
270<p>This integer returns the number of colors in the list.</p>
271
272<h5>exception</h5>
273<p>return any errors or warnings in this structure.</p>
274
275 </div>
276<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="ListColorInfo">ListColorInfo</a></h2>
277<div class="doc-section">
278
279<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>
280
281<p>The format of the ListColorInfo method is:</p>
282
283<pre class="code">
284 MagickBooleanType ListColorInfo(FILE *file,ExceptionInfo *exception)
285</pre>
286
287<p>A description of each parameter follows.</p>
288
289<h5>file</h5>
290<p>List color names to this file handle.</p>
291
292<h5>exception</h5>
293<p>return any errors or warnings in this structure.</p>
294
295 </div>
296<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="LoadColorList">LoadColorList</a></h2>
297<div class="doc-section">
298
299<p>LoadColorList() loads one or more color configuration file which provides a mapping between color attributes and a color name.</p>
300
301<p>The format of the LoadColorLists method is:</p>
302
303<pre class="code">
304 MagickBooleanType LoadColorLists(const char *filename,
305 ExceptionInfo *exception)
306</pre>
307
308<p>A description of each parameter follows:</p>
309
310<h5>filename</h5>
311<p>the font file name.</p>
312
313<h5>exception</h5>
314<p>return any errors or warnings in this structure.</p>
315
316 </div>
cristyeed6cb62012-01-28 19:38:34 +0000[diff] [blame]317<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="QueryColorCompliance">QueryColorCompliance</a></h2>
cristy20398432011-08-11 01:31:50 +0000[diff] [blame]318<div class="doc-section">
319
cristyeed6cb62012-01-28 19:38:34 +0000[diff] [blame]320<p>QueryColorCompliance() returns the red, green, blue, and opacity intensities for a given color name.</p>
cristy20398432011-08-11 01:31:50 +0000[diff] [blame]321
cristyeed6cb62012-01-28 19:38:34 +0000[diff] [blame]322<p>The format of the QueryColorCompliance method is:</p>
cristy20398432011-08-11 01:31:50 +0000[diff] [blame]323
324<pre class="code">
cristyeed6cb62012-01-28 19:38:34 +0000[diff] [blame]325 MagickBooleanType QueryColorCompliance(const char *name,
cristy20398432011-08-11 01:31:50 +0000[diff] [blame]326 const ComplianceType compliance,PixelPacket *color,
327 ExceptionInfo *exception)
328</pre>
329
330<p>A description of each parameter follows:</p>
331
332<h5>name</h5>
333<p>the color name (e.g. white, blue, yellow).</p>
334
335<h5>compliance</h5>
336<p>Adhere to this color standard: SVG, X11, or XPM.</p>
337
338<h5>color</h5>
339<p>the red, green, blue, and opacity intensities values of the named color in this structure.</p>
340
341<h5>exception</h5>
342<p>return any errors or warnings in this structure.</p>
343
344 </div>
345<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="QueryColorDatabase">QueryColorDatabase</a></h2>
346<div class="doc-section">
347
348<p>QueryColorDatabase() returns the red, green, blue, and opacity intensities for a given color name.</p>
349
350<p>The format of the QueryColorDatabase method is:</p>
351
352<pre class="code">
353 MagickBooleanType QueryColorDatabase(const char *name,PixelPacket *color,
354 ExceptionInfo *exception)
355</pre>
356
357<p>A description of each parameter follows:</p>
358
359<h5>name</h5>
360<p>the color name (e.g. white, blue, yellow).</p>
361
362<h5>color</h5>
363<p>the red, green, blue, and opacity intensities values of the named color in this structure.</p>
364
365<h5>exception</h5>
366<p>return any errors or warnings in this structure.</p>
367
368 </div>
369<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="QueryColorname">QueryColorname</a></h2>
370<div class="doc-section">
371
372<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>
373
374<p>The format of the QueryColorname method is:</p>
375
376<pre class="code">
377 MagickBooleanType QueryColorname(const Image *image,
378 const PixelPacket *color,const ComplianceType compliance,char *name,
379 ExceptionInfo *exception)
380</pre>
381
382<p>A description of each parameter follows.</p>
383
384<h5>image</h5>
385<p>the image.</p>
386
387<h5>color</h5>
388<p>the color intensities.</p>
389
390<h5>compliance</h5>
391<p>Adhere to this color standard: SVG, X11, or XPM.</p>
392
393<h5>name</h5>
394<p>Return the color name or hex value.</p>
395
396<h5>exception</h5>
397<p>return any errors or warnings in this structure.</p>
398
399 </div>
400<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="QueryMagickColorCompliance">QueryMagickColorCompliance</a></h2>
401<div class="doc-section">
402
403<p>QueryMagickColorCompliance() returns the red, green, blue, and opacity intensities for a given color name and standards compliance.</p>
404
405<p>The format of the QueryMagickColor method is:</p>
406
407<pre class="code">
cristyeed6cb62012-01-28 19:38:34 +0000[diff] [blame]408 MagickBooleanType QueryMagickColorCompilence(const char *name,
cristy20398432011-08-11 01:31:50 +0000[diff] [blame]409 const ComplianceType compliance,MagickPixelPacket *color,
410 ExceptionInfo *exception)
411</pre>
412
413<p>A description of each parameter follows:</p>
414
415<h5>name</h5>
416<p>the color name (e.g. white, blue, yellow).</p>
417
418<h5>compliance</h5>
419<p>Adhere to this color standard: SVG, X11, or XPM.</p>
420
421<h5>color</h5>
422<p>the red, green, blue, and opacity intensities values of the named color in this structure.</p>
423
424<h5>exception</h5>
425<p>return any errors or warnings in this structure.</p>
426
427 </div>
428<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="QueryMagickColor">QueryMagickColor</a></h2>
429<div class="doc-section">
430
431<p>QueryMagickColor() returns the red, green, blue, and opacity intensities for a given color name.</p>
432
433<p>The format of the QueryMagickColor method is:</p>
434
435<pre class="code">
436 MagickBooleanType QueryMagickColor(const char *name,
437 MagickPixelPacket *color,ExceptionInfo *exception)
438</pre>
439
440<p>A description of each parameter follows:</p>
441
442<h5>name</h5>
443<p>the color name (e.g. white, blue, yellow).</p>
444
445<h5>color</h5>
446<p>the red, green, blue, and opacity intensities values of the named color in this structure.</p>
447
448<h5>exception</h5>
449<p>return any errors or warnings in this structure.</p>
450
451 </div>
452<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="QueryMagickColorname">QueryMagickColorname</a></h2>
453<div class="doc-section">
454
455<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>
456
457<p>The format of the QueryMagickColorname method is:</p>
458
459<pre class="code">
460 MagickBooleanType QueryMagickColorname(const Image *image,
461 const PixelPacket *color,const ComplianceType compliance,char *name,
462 ExceptionInfo *exception)
463</pre>
464
465<p>A description of each parameter follows.</p>
466
467<h5>image</h5>
468<p>the image.</p>
469
470<h5>color</h5>
471<p>the color intensities.</p>
472
473<h5>Compliance</h5>
474<p>Adhere to this color standard: SVG, X11, or XPM.</p>
475
476<h5>name</h5>
477<p>Return the color name or hex value.</p>
478
479<h5>exception</h5>
480<p>return any errors or warnings in this structure.</p>
481
482 </div>
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