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223 <h1>Module attribute Methods</h1>
224 <p class="navigation-index">[<a href="attribute.html#GetImageChannelDepth">GetImageChannelDepth</a> • <a href="attribute.html#GetImageQuantumDepth">GetImageQuantumDepth</a> • <a href="attribute.html#GetImageType">GetImageType</a> • <a href="attribute.html#IsGrayImage">IsGrayImage</a> • <a href="attribute.html#IsMonochromeImage">IsMonochromeImage</a> • <a href="attribute.html#IsOpaqueImage">IsOpaqueImage</a> • <a href="attribute.html#SetImageChannelDepth">SetImageChannelDepth</a> • <a href="attribute.html#SetImageType">SetImageType</a>]</p>
226 <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="GetImageChannelDepth">GetImageChannelDepth</a></h2>
227 <div class="doc-section">
229 <p>GetImageChannelDepth() returns the depth of a particular image channel.</p>
231 <p>The format of the GetImageChannelDepth method is:</p>
234 size_t GetImageDepth(const Image *image,ExceptionInfo *exception)
235 size_t GetImageChannelDepth(const Image *image,
236 const ChannelType channel,ExceptionInfo *exception)
239 <p>A description of each parameter follows:</p>
248 <p>return any errors or warnings in this structure.</p>
251 <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="GetImageQuantumDepth">GetImageQuantumDepth</a></h2>
252 <div class="doc-section">
254 <p>GetImageQuantumDepth() returns the depth of the image rounded to a legal quantum depth: 8, 16, or 32.</p>
256 <p>The format of the GetImageQuantumDepth method is:</p>
259 size_t GetImageQuantumDepth(const Image *image,
260 const MagickBooleanType constrain)
263 <p>A description of each parameter follows:</p>
269 <p>A value other than MagickFalse, constrains the depth to a maximum of MAGICKCORE_QUANTUM_DEPTH.</p>
272 <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="GetImageType">GetImageType</a></h2>
273 <div class="doc-section">
275 <p>GetImageType() returns the potential type of image:</p>
277 <p>Bilevel Grayscale GrayscaleMatte Palette PaletteMatte TrueColor TrueColorMatte ColorSeparation ColorSeparationMatte</p>
279 <p>To ensure the image type matches its potential, use SetImageType():</p>
282 (void) SetImageType(image,GetImageType(image));
285 <p>The format of the GetImageType method is:</p>
288 ImageType GetImageType(const Image *image,ExceptionInfo *exception)
291 <p>A description of each parameter follows:</p>
297 <p>return any errors or warnings in this structure.</p>
300 <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="IsGrayImage">IsGrayImage</a></h2>
301 <div class="doc-section">
303 <p>IsGrayImage() returns MagickTrue if all the pixels in the image have the same red, green, and blue intensities.</p>
305 <p>The format of the IsGrayImage method is:</p>
308 MagickBooleanType IsGrayImage(const Image *image,
309 ExceptionInfo *exception)
312 <p>A description of each parameter follows:</p>
318 <p>return any errors or warnings in this structure.</p>
321 <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="IsMonochromeImage">IsMonochromeImage</a></h2>
322 <div class="doc-section">
324 <p>IsMonochromeImage() returns MagickTrue if all the pixels in the image have the same red, green, and blue intensities and the intensity is either 0 or QuantumRange.</p>
326 <p>The format of the IsMonochromeImage method is:</p>
329 MagickBooleanType IsMonochromeImage(const Image *image,
330 ExceptionInfo *exception)
333 <p>A description of each parameter follows:</p>
339 <p>return any errors or warnings in this structure.</p>
342 <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="IsOpaqueImage">IsOpaqueImage</a></h2>
343 <div class="doc-section">
345 <p>IsOpaqueImage() returns MagickTrue if none of the pixels in the image have an opacity value other than opaque (0).</p>
347 <p>The format of the IsOpaqueImage method is:</p>
350 MagickBooleanType IsOpaqueImage(const Image *image,
351 ExceptionInfo *exception)
354 <p>A description of each parameter follows:</p>
360 <p>return any errors or warnings in this structure.</p>
363 <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="SetImageChannelDepth">SetImageChannelDepth</a></h2>
364 <div class="doc-section">
366 <p>SetImageChannelDepth() sets the depth of the image.</p>
368 <p>The format of the SetImageChannelDepth method is:</p>
371 MagickBooleanType SetImageDepth(Image *image,const size_t depth)
372 MagickBooleanType SetImageChannelDepth(Image *image,
373 const ChannelType channel,const size_t depth)
376 <p>A description of each parameter follows:</p>
385 <p>the image depth.</p>
388 <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="SetImageType">SetImageType</a></h2>
389 <div class="doc-section">
391 <p>SetImageType() sets the type of image. Choose from these types:</p>
393 <p>BilevelType, GrayscaleType, GrayscaleMatteType, PaletteType, PaletteMatteType, TrueColorType, TrueColorMatteType, ColorSeparationType, ColorSeparationMatteType, OptimizeType</p>
395 <p>The format of the SetImageType method is:</p>
398 MagickBooleanType SetImageType(Image *image,const ImageType type)
401 <p>A description of each parameter follows:</p>
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