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| |
| <h1>Module attribute Methods</h1> |
| <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> |
| |
| <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="GetImageChannelDepth">GetImageChannelDepth</a></h2> |
| <div class="doc-section"> |
| |
| <p>GetImageChannelDepth() returns the depth of a particular image channel.</p> |
| |
| <p>The format of the GetImageChannelDepth method is:</p> |
| |
| <pre class="code"> |
| size_t GetImageDepth(const Image *image,ExceptionInfo *exception) |
| size_t GetImageChannelDepth(const Image *image, |
| const ChannelType channel,ExceptionInfo *exception) |
| </pre> |
| |
| <p>A description of each parameter follows:</p> |
| |
| <h5>image</h5> |
| <p>the image.</p> |
| |
| <h5>channel</h5> |
| <p>the channel.</p> |
| |
| <h5>exception</h5> |
| <p>return any errors or warnings in this structure.</p> |
| |
| </div> |
| <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="GetImageQuantumDepth">GetImageQuantumDepth</a></h2> |
| <div class="doc-section"> |
| |
| <p>GetImageQuantumDepth() returns the depth of the image rounded to a legal quantum depth: 8, 16, or 32.</p> |
| |
| <p>The format of the GetImageQuantumDepth method is:</p> |
| |
| <pre class="code"> |
| size_t GetImageQuantumDepth(const Image *image, |
| const MagickBooleanType constrain) |
| </pre> |
| |
| <p>A description of each parameter follows:</p> |
| |
| <h5>image</h5> |
| <p>the image.</p> |
| |
| <h5>constrain</h5> |
| <p>A value other than MagickFalse, constrains the depth to a maximum of MAGICKCORE_QUANTUM_DEPTH.</p> |
| |
| </div> |
| <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="GetImageType">GetImageType</a></h2> |
| <div class="doc-section"> |
| |
| <p>GetImageType() returns the potential type of image:</p> |
| |
| <p>Bilevel Grayscale GrayscaleMatte Palette PaletteMatte TrueColor TrueColorMatte ColorSeparation ColorSeparationMatte</p> |
| |
| <p>To ensure the image type matches its potential, use SetImageType():</p> |
| |
| <pre class="text"> |
| (void) SetImageType(image,GetImageType(image)); |
| </pre> |
| |
| <p>The format of the GetImageType method is:</p> |
| |
| <pre class="code"> |
| ImageType GetImageType(const Image *image,ExceptionInfo *exception) |
| </pre> |
| |
| <p>A description of each parameter follows:</p> |
| |
| <h5>image</h5> |
| <p>the image.</p> |
| |
| <h5>exception</h5> |
| <p>return any errors or warnings in this structure.</p> |
| |
| </div> |
| <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="IsGrayImage">IsGrayImage</a></h2> |
| <div class="doc-section"> |
| |
| <p>IsGrayImage() returns MagickTrue if all the pixels in the image have the same red, green, and blue intensities.</p> |
| |
| <p>The format of the IsGrayImage method is:</p> |
| |
| <pre class="code"> |
| MagickBooleanType IsGrayImage(const Image *image, |
| ExceptionInfo *exception) |
| </pre> |
| |
| <p>A description of each parameter follows:</p> |
| |
| <h5>image</h5> |
| <p>the image.</p> |
| |
| <h5>exception</h5> |
| <p>return any errors or warnings in this structure.</p> |
| |
| </div> |
| <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="IsMonochromeImage">IsMonochromeImage</a></h2> |
| <div class="doc-section"> |
| |
| <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> |
| |
| <p>The format of the IsMonochromeImage method is:</p> |
| |
| <pre class="code"> |
| MagickBooleanType IsMonochromeImage(const Image *image, |
| ExceptionInfo *exception) |
| </pre> |
| |
| <p>A description of each parameter follows:</p> |
| |
| <h5>image</h5> |
| <p>the image.</p> |
| |
| <h5>exception</h5> |
| <p>return any errors or warnings in this structure.</p> |
| |
| </div> |
| <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="IsOpaqueImage">IsOpaqueImage</a></h2> |
| <div class="doc-section"> |
| |
| <p>IsOpaqueImage() returns MagickTrue if none of the pixels in the image have an opacity value other than opaque (0).</p> |
| |
| <p>The format of the IsOpaqueImage method is:</p> |
| |
| <pre class="code"> |
| MagickBooleanType IsOpaqueImage(const Image *image, |
| ExceptionInfo *exception) |
| </pre> |
| |
| <p>A description of each parameter follows:</p> |
| |
| <h5>image</h5> |
| <p>the image.</p> |
| |
| <h5>exception</h5> |
| <p>return any errors or warnings in this structure.</p> |
| |
| </div> |
| <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="SetImageChannelDepth">SetImageChannelDepth</a></h2> |
| <div class="doc-section"> |
| |
| <p>SetImageChannelDepth() sets the depth of the image.</p> |
| |
| <p>The format of the SetImageChannelDepth method is:</p> |
| |
| <pre class="code"> |
| MagickBooleanType SetImageDepth(Image *image,const size_t depth) |
| MagickBooleanType SetImageChannelDepth(Image *image, |
| const ChannelType channel,const size_t depth) |
| </pre> |
| |
| <p>A description of each parameter follows:</p> |
| |
| <h5>image</h5> |
| <p>the image.</p> |
| |
| <h5>channel</h5> |
| <p>the channel.</p> |
| |
| <h5>depth</h5> |
| <p>the image depth.</p> |
| |
| </div> |
| <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="SetImageType">SetImageType</a></h2> |
| <div class="doc-section"> |
| |
| <p>SetImageType() sets the type of image. Choose from these types:</p> |
| |
| <p>BilevelType, GrayscaleType, GrayscaleMatteType, PaletteType, PaletteMatteType, TrueColorType, TrueColorMatteType, ColorSeparationType, ColorSeparationMatteType, OptimizeType</p> |
| |
| <p>The format of the SetImageType method is:</p> |
| |
| <pre class="code"> |
| MagickBooleanType SetImageType(Image *image,const ImageType type) |
| </pre> |
| |
| <p>A description of each parameter follows:</p> |
| |
| <h5>image</h5> |
| <p>the image.</p> |
| |
| <h5>type</h5> |
| <p>Image type.</p> |
| |
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