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217
cristy20398432011-08-11 01:31:50 +0000[diff] [blame^]218<h1>Module color Methods</h1>
219<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>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]220
cristy20398432011-08-11 01:31:50 +0000[diff] [blame^]221<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="GetColorInfoList">GetColorInfoList</a></h2>
222<div class="doc-section">
223
224<p>GetColorInfoList() returns any colors that match the specified pattern.</p>
225
226<p>The format of the GetColorInfoList function is:</p>
227
228<pre class="text">
229 const ColorInfo **GetColorInfoList(const char *pattern,
230 size_t *number_colors,ExceptionInfo *exception)
231</pre>
232
233<p>A description of each parameter follows:</p>
234
235<h5>pattern</h5>
236<p>Specifies a pointer to a text string containing a pattern.</p>
237
238<h5>number_colors</h5>
239<p>This integer returns the number of colors in the list.</p>
240
241<h5>exception</h5>
242<p>return any errors or warnings in this structure.</p>
243
244 </div>
245<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="GetColorList">GetColorList</a></h2>
246<div class="doc-section">
247
248<p>GetColorList() returns any colors that match the specified pattern.</p>
249
250<p>The format of the GetColorList function is:</p>
251
252<pre class="text">
253 char **GetColorList(const char *pattern,size_t *number_colors,
254 ExceptionInfo *exception)
255</pre>
256
257<p>A description of each parameter follows:</p>
258
259<h5>pattern</h5>
260<p>Specifies a pointer to a text string containing a pattern.</p>
261
262<h5>number_colors</h5>
263<p>This integer returns the number of colors in the list.</p>
264
265<h5>exception</h5>
266<p>return any errors or warnings in this structure.</p>
267
268 </div>
269<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="ListColorInfo">ListColorInfo</a></h2>
270<div class="doc-section">
271
272<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>
273
274<p>The format of the ListColorInfo method is:</p>
275
276<pre class="code">
277 MagickBooleanType ListColorInfo(FILE *file,ExceptionInfo *exception)
278</pre>
279
280<p>A description of each parameter follows.</p>
281
282<h5>file</h5>
283<p>List color names to this file handle.</p>
284
285<h5>exception</h5>
286<p>return any errors or warnings in this structure.</p>
287
288 </div>
289<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="LoadColorList">LoadColorList</a></h2>
290<div class="doc-section">
291
292<p>LoadColorList() loads one or more color configuration file which provides a mapping between color attributes and a color name.</p>
293
294<p>The format of the LoadColorLists method is:</p>
295
296<pre class="code">
297 MagickBooleanType LoadColorLists(const char *filename,
298 ExceptionInfo *exception)
299</pre>
300
301<p>A description of each parameter follows:</p>
302
303<h5>filename</h5>
304<p>the font file name.</p>
305
306<h5>exception</h5>
307<p>return any errors or warnings in this structure.</p>
308
309 </div>
310<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="QueryColorDatabase">QueryColorDatabase</a></h2>
311<div class="doc-section">
312
313<p>QueryColorDatabase() returns the red, green, blue, and opacity intensities for a given color name.</p>
314
315<p>The format of the QueryColorDatabase method is:</p>
316
317<pre class="code">
318 MagickBooleanType QueryColorDatabase(const char *name,
319 const ComplianceType compliance,PixelPacket *color,
320 ExceptionInfo *exception)
321</pre>
322
323<p>A description of each parameter follows:</p>
324
325<h5>name</h5>
326<p>the color name (e.g. white, blue, yellow).</p>
327
328<h5>compliance</h5>
329<p>Adhere to this color standard: SVG, X11, or XPM.</p>
330
331<h5>color</h5>
332<p>the red, green, blue, and opacity intensities values of the named color in this structure.</p>
333
334<h5>exception</h5>
335<p>return any errors or warnings in this structure.</p>
336
337 </div>
338<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="QueryColorDatabase">QueryColorDatabase</a></h2>
339<div class="doc-section">
340
341<p>QueryColorDatabase() returns the red, green, blue, and opacity intensities for a given color name.</p>
342
343<p>The format of the QueryColorDatabase method is:</p>
344
345<pre class="code">
346 MagickBooleanType QueryColorDatabase(const char *name,PixelPacket *color,
347 ExceptionInfo *exception)
348</pre>
349
350<p>A description of each parameter follows:</p>
351
352<h5>name</h5>
353<p>the color name (e.g. white, blue, yellow).</p>
354
355<h5>color</h5>
356<p>the red, green, blue, and opacity intensities values of the named color in this structure.</p>
357
358<h5>exception</h5>
359<p>return any errors or warnings in this structure.</p>
360
361 </div>
362<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="QueryColorname">QueryColorname</a></h2>
363<div class="doc-section">
364
365<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>
366
367<p>The format of the QueryColorname method is:</p>
368
369<pre class="code">
370 MagickBooleanType QueryColorname(const Image *image,
371 const PixelPacket *color,const ComplianceType compliance,char *name,
372 ExceptionInfo *exception)
373</pre>
374
375<p>A description of each parameter follows.</p>
376
377<h5>image</h5>
378<p>the image.</p>
379
380<h5>color</h5>
381<p>the color intensities.</p>
382
383<h5>compliance</h5>
384<p>Adhere to this color standard: SVG, X11, or XPM.</p>
385
386<h5>name</h5>
387<p>Return the color name or hex value.</p>
388
389<h5>exception</h5>
390<p>return any errors or warnings in this structure.</p>
391
392 </div>
393<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="QueryMagickColorCompliance">QueryMagickColorCompliance</a></h2>
394<div class="doc-section">
395
396<p>QueryMagickColorCompliance() returns the red, green, blue, and opacity intensities for a given color name and standards compliance.</p>
397
398<p>The format of the QueryMagickColor method is:</p>
399
400<pre class="code">
401 MagickBooleanType QueryMagickColor(const char *name,
402 const ComplianceType compliance,MagickPixelPacket *color,
403 ExceptionInfo *exception)
404</pre>
405
406<p>A description of each parameter follows:</p>
407
408<h5>name</h5>
409<p>the color name (e.g. white, blue, yellow).</p>
410
411<h5>compliance</h5>
412<p>Adhere to this color standard: SVG, X11, or XPM.</p>
413
414<h5>color</h5>
415<p>the red, green, blue, and opacity intensities values of the named color in this structure.</p>
416
417<h5>exception</h5>
418<p>return any errors or warnings in this structure.</p>
419
420 </div>
421<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="QueryMagickColor">QueryMagickColor</a></h2>
422<div class="doc-section">
423
424<p>QueryMagickColor() returns the red, green, blue, and opacity intensities for a given color name.</p>
425
426<p>The format of the QueryMagickColor method is:</p>
427
428<pre class="code">
429 MagickBooleanType QueryMagickColor(const char *name,
430 MagickPixelPacket *color,ExceptionInfo *exception)
431</pre>
432
433<p>A description of each parameter follows:</p>
434
435<h5>name</h5>
436<p>the color name (e.g. white, blue, yellow).</p>
437
438<h5>color</h5>
439<p>the red, green, blue, and opacity intensities values of the named color in this structure.</p>
440
441<h5>exception</h5>
442<p>return any errors or warnings in this structure.</p>
443
444 </div>
445<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="QueryMagickColorname">QueryMagickColorname</a></h2>
446<div class="doc-section">
447
448<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>
449
450<p>The format of the QueryMagickColorname method is:</p>
451
452<pre class="code">
453 MagickBooleanType QueryMagickColorname(const Image *image,
454 const PixelPacket *color,const ComplianceType compliance,char *name,
455 ExceptionInfo *exception)
456</pre>
457
458<p>A description of each parameter follows.</p>
459
460<h5>image</h5>
461<p>the image.</p>
462
463<h5>color</h5>
464<p>the color intensities.</p>
465
466<h5>Compliance</h5>
467<p>Adhere to this color standard: SVG, X11, or XPM.</p>
468
469<h5>name</h5>
470<p>Return the color name or hex value.</p>
471
472<h5>exception</h5>
473<p>return any errors or warnings in this structure.</p>
474
475 </div>
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