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- <li><a href="attribute.html#GetImageConvexHull">GetImageConvexHull</a></li>
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- <li><a href="attribute.html#IdentifyImageGray">IdentifyImageGray</a></li>
- <li><a href="attribute.html#IdentifyImageMonochrome">IdentifyImageMonochrome</a></li>
- <li><a href="attribute.html#IdentifyImageType">IdentifyImageType</a></li>
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- <li><a href="attribute.html#SetImageDepth">SetImageDepth</a></li>
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- <div class="magick-header">
- <h2><a href="../../api/MagickCore/attribute_8c.html" id="GetImageConvexHull">GetImageConvexHull</a></h2>
- <p>GetImageConvexHull() returns the convex hull points of an image canvas.</p>
- <p>The format of the GetImageConvexHull method is:</p>
- <pre class="bg-light text-dark mx-4"><samp>PointInfo *GetImageConvexHull(const Image *image,
- size_t number_vertices,ExceptionInfo *exception)
- </samp></pre>
- <p>A description of each parameter follows:</p>
- <dd>
- </dd>
- <dd> </dd>
- <dl class="dl-horizontal">
- <dt>image</dt>
- <dd>the image. </dd>
- <dd> </dd>
- <dt>number_vertices</dt>
- <dd>the number of vertices in the convex hull. </dd>
- <dd> </dd>
- <dt>exception</dt>
- <dd>return any errors or warnings in this structure. </dd>
- <dd> </dd>
- </dl>
- <h2><a href="../../api/MagickCore/attribute_8c.html" id="GetImageDepth">GetImageDepth</a></h2>
- <p>GetImageDepth() returns the depth of a particular image channel.</p>
- <p>The format of the GetImageDepth method is:</p>
- <pre class="bg-light text-dark mx-4"><samp>size_t GetImageDepth(const Image *image,ExceptionInfo *exception)
- </samp></pre>
- <p>A description of each parameter follows:</p>
- <dd>
- </dd>
- <dd> </dd>
- <dl class="dl-horizontal">
- <dt>image</dt>
- <dd>the image. </dd>
- <dd> </dd>
- <dt>exception</dt>
- <dd>return any errors or warnings in this structure. </dd>
- <dd> </dd>
- </dl>
- <h2><a href="../../api/MagickCore/attribute_8c.html" id="GetImageMinimumBoundingBox">GetImageMinimumBoundingBox</a></h2>
- <p>GetImageMinimumBoundingBox() returns the points that form the minimum bounding box around the image foreground objects with the "Rotating Calipers" algorithm. The method also returns these properties:</p>
- <pre class="bg-light text-dark mx-4"><samp> minimum-bounding-box:height, and minimum-bounding-box:angle.
- </samp></pre>
- <p>The format of the GetImageMinimumBoundingBox method is:</p>
- <pre class="bg-light text-dark mx-4"><samp>PointInfo *GetImageMinimumBoundingBox(Image *image,
- size_t number_vertices,ExceptionInfo *exception)
- </samp></pre>
- <p>A description of each parameter follows:</p>
- <dd>
- </dd>
- <dd> </dd>
- <dl class="dl-horizontal">
- <dt>image</dt>
- <dd>the image. </dd>
- <dd> </dd>
- <dt>number_vertices</dt>
- <dd>the number of vertices in the bounding box. </dd>
- <dd> </dd>
- <dt>exception</dt>
- <dd>return any errors or warnings in this structure. </dd>
- <dd> </dd>
- </dl>
- <h2><a href="../../api/MagickCore/attribute_8c.html" id="GetImageQuantumDepth">GetImageQuantumDepth</a></h2>
- <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="bg-light text-dark mx-4"><samp>size_t GetImageQuantumDepth(const Image *image,
- const MagickBooleanType constrain)
- </samp></pre>
- <p>A description of each parameter follows:</p>
- <dd>
- </dd>
- <dd> </dd>
- <dl class="dl-horizontal">
- <dt>image</dt>
- <dd>the image. </dd>
- <dd> </dd>
- <dt>constrain</dt>
- <dd>A value other than MagickFalse, constrains the depth to a maximum of MAGICKCORE_QUANTUM_DEPTH. </dd>
- <dd> </dd>
- </dl>
- <h2><a href="../../api/MagickCore/attribute_8c.html" id="GetImageType">GetImageType</a></h2>
- <p>GetImageType() returns the type of image:</p>
- <p>Bilevel Grayscale GrayscaleMatte Palette PaletteMatte TrueColor TrueColorMatte ColorSeparation ColorSeparationMatte</p>
- <p>The format of the GetImageType method is:</p>
- <pre class="bg-light text-dark mx-4"><samp>ImageType GetImageType(const Image *image)
- </samp></pre>
- <p>A description of each parameter follows:</p>
- <dd>
- </dd>
- <dd> </dd>
- <dl class="dl-horizontal">
- <dt>image</dt>
- <dd>the image. </dd>
- <dd> </dd>
- </dl>
- <h2><a href="../../api/MagickCore/attribute_8c.html" id="IdentifyImageGray">IdentifyImageGray</a></h2>
- <p>IdentifyImageGray() returns grayscale if all the pixels in the image have the same red, green, and blue intensities, and bi-level is the intensity is either 0 or QuantumRange. Otherwise undefined is returned.</p>
- <p>The format of the IdentifyImageGray method is:</p>
- <pre class="bg-light text-dark mx-4"><samp>ImageType IdentifyImageGray(const Image *image,ExceptionInfo *exception)
- </samp></pre>
- <p>A description of each parameter follows:</p>
- <dd>
- </dd>
- <dd> </dd>
- <dl class="dl-horizontal">
- <dt>image</dt>
- <dd>the image. </dd>
- <dd> </dd>
- <dt>exception</dt>
- <dd>return any errors or warnings in this structure. </dd>
- <dd> </dd>
- </dl>
- <h2><a href="../../api/MagickCore/attribute_8c.html" id="IdentifyImageMonochrome">IdentifyImageMonochrome</a></h2>
- <p>IdentifyImageMonochrome() 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 IdentifyImageMonochrome method is:</p>
- <pre class="bg-light text-dark mx-4"><samp>MagickBooleanType IdentifyImageMonochrome(const Image *image,
- ExceptionInfo *exception)
- </samp></pre>
- <p>A description of each parameter follows:</p>
- <dd>
- </dd>
- <dd> </dd>
- <dl class="dl-horizontal">
- <dt>image</dt>
- <dd>the image. </dd>
- <dd> </dd>
- <dt>exception</dt>
- <dd>return any errors or warnings in this structure. </dd>
- <dd> </dd>
- </dl>
- <h2><a href="../../api/MagickCore/attribute_8c.html" id="IdentifyImageType">IdentifyImageType</a></h2>
- <p>IdentifyImageType() 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="bg-light text-dark mx-4"><samp> (void) SetImageType(image,IdentifyImageType(image,exception),exception);
- </samp></pre>
- <p>The format of the IdentifyImageType method is:</p>
- <pre class="bg-light text-dark mx-4"><samp>ImageType IdentifyImageType(const Image *image,ExceptionInfo *exception)
- </samp></pre>
- <p>A description of each parameter follows:</p>
- <dd>
- </dd>
- <dd> </dd>
- <dl class="dl-horizontal">
- <dt>image</dt>
- <dd>the image. </dd>
- <dd> </dd>
- <dt>exception</dt>
- <dd>return any errors or warnings in this structure. </dd>
- <dd> </dd>
- </dl>
- <h2><a href="../../api/MagickCore/attribute_8c.html" id="IsImageGray">IsImageGray</a></h2>
- <p>IsImageGray() returns MagickTrue if the type of the image is grayscale or bi-level.</p>
- <p>The format of the IsImageGray method is:</p>
- <pre class="bg-light text-dark mx-4"><samp>MagickBooleanType IsImageGray(const Image *image)
- </samp></pre>
- <p>A description of each parameter follows:</p>
- <dd>
- </dd>
- <dd> </dd>
- <dl class="dl-horizontal">
- <dt>image</dt>
- <dd>the image. </dd>
- <dd> </dd>
- </dl>
- <h2><a href="../../api/MagickCore/attribute_8c.html" id="IsImageMonochrome">IsImageMonochrome</a></h2>
- <p>IsImageMonochrome() returns MagickTrue if type of the image is bi-level.</p>
- <p>The format of the IsImageMonochrome method is:</p>
- <pre class="bg-light text-dark mx-4"><samp>MagickBooleanType IsImageMonochrome(const Image *image)
- </samp></pre>
- <p>A description of each parameter follows:</p>
- <dd>
- </dd>
- <dd> </dd>
- <dl class="dl-horizontal">
- <dt>image</dt>
- <dd>the image. </dd>
- <dd> </dd>
- </dl>
- <h2><a href="../../api/MagickCore/attribute_8c.html" id="IsImageOpaque">IsImageOpaque</a></h2>
- <p>IsImageOpaque() returns MagickTrue if none of the pixels in the image have an alpha value other than OpaqueAlpha (QuantumRange).</p>
- <p>Will return true immediately is alpha channel is not available.</p>
- <p>The format of the IsImageOpaque method is:</p>
- <pre class="bg-light text-dark mx-4"><samp>MagickBooleanType IsImageOpaque(const Image *image,
- ExceptionInfo *exception)
- </samp></pre>
- <p>A description of each parameter follows:</p>
- <dd>
- </dd>
- <dd> </dd>
- <dl class="dl-horizontal">
- <dt>image</dt>
- <dd>the image. </dd>
- <dd> </dd>
- <dt>exception</dt>
- <dd>return any errors or warnings in this structure. </dd>
- <dd> </dd>
- </dl>
- <h2><a href="../../api/MagickCore/attribute_8c.html" id="SetImageDepth">SetImageDepth</a></h2>
- <p>SetImageDepth() sets the depth of the image.</p>
- <p>The format of the SetImageDepth method is:</p>
- <pre class="bg-light text-dark mx-4"><samp>MagickBooleanType SetImageDepth(Image *image,const size_t depth,
- ExceptionInfo *exception)
- </samp></pre>
- <p>A description of each parameter follows:</p>
- <dd>
- </dd>
- <dd> </dd>
- <dl class="dl-horizontal">
- <dt>image</dt>
- <dd>the image. </dd>
- <dd> </dd>
- <dt>channel</dt>
- <dd>the channel. </dd>
- <dd> </dd>
- <dt>depth</dt>
- <dd>the image depth. </dd>
- <dd> </dd>
- <dt>exception</dt>
- <dd>return any errors or warnings in this structure. </dd>
- <dd> </dd>
- </dl>
- <h2><a href="../../api/MagickCore/attribute_8c.html" id="SetImageType">SetImageType</a></h2>
- <p>SetImageType() sets the type of image. Choose from these types:</p>
- <p>Bilevel Grayscale GrayscaleMatte Palette PaletteMatte TrueColor TrueColorMatte ColorSeparation ColorSeparationMatte OptimizeType</p>
- <p>The format of the SetImageType method is:</p>
- <pre class="bg-light text-dark mx-4"><samp>MagickBooleanType SetImageType(Image *image,const ImageType type,
- ExceptionInfo *exception)
- </samp></pre>
- <p>A description of each parameter follows:</p>
- <dd>
- </dd>
- <dd> </dd>
- <dl class="dl-horizontal">
- <dt>image</dt>
- <dd>the image. </dd>
- <dd> </dd>
- <dt>type</dt>
- <dd>Image type. </dd>
- <dd> </dd>
- <dt>exception</dt>
- <dd>return any errors or warnings in this structure. </dd>
- <dd> </dd>
- </dl>
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