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author | hjkim <backto.kim@samsung.com> | 2024-11-27 13:18:16 +0900 |
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committer | hjkim <backto.kim@samsung.com> | 2024-11-27 13:27:40 +0900 |
commit | ef22bb96ba00d5cf83e03aeed5c56d679a3f636a (patch) | |
tree | f3814d2505b959e205a28750d3ee356ca8695b8b /www/api/effect.html | |
parent | 2c17c6b7ecf6d96c9b4004cd7b79d860b66e6ae3 (diff) | |
download | GraphicsMagick-upstream.tar.gz GraphicsMagick-upstream.tar.bz2 GraphicsMagick-upstream.zip |
Imported Upstream version 1.3.45upstream/1.3.45upstream
Change-Id: I9f90e8fdaf4a2f104b3e9a4a0148fdaa731b10af
Diffstat (limited to 'www/api/effect.html')
-rw-r--r-- | www/api/effect.html | 324 |
1 files changed, 162 insertions, 162 deletions
diff --git a/www/api/effect.html b/www/api/effect.html index 6f03d6a..979395a 100644 --- a/www/api/effect.html +++ b/www/api/effect.html @@ -36,7 +36,7 @@ </ul> </div> -<div class="document" id="effect"> +<main id="effect"> <h1 class="title">effect</h1> <p class="subtitle" id="image-effects-methods">Image effects methods</p> <div class="contents topic" id="contents"> @@ -70,15 +70,15 @@ <li><p><a class="reference internal" href="#whitethresholdimage" id="id76">WhiteThresholdImage</a></p></li> </ul> </div> -<div class="section" id="adaptivethresholdimage"> +<section id="adaptivethresholdimage"> <h1><a class="toc-backref" href="#id51">AdaptiveThresholdImage</a></h1> -<div class="section" id="synopsis"> +<section id="synopsis"> <h2>Synopsis</h2> <pre class="literal-block"><a class="reference external" href="../api/types.html#image">Image</a> *AdaptiveThresholdImage( <a class="reference external" href="../api/types.html#image">Image</a> *image, const unsigned long width, const unsigned long height, const unsigned long unsigned long, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );</pre> -</div> -<div class="section" id="description"> +</section> +<section id="description"> <h2>Description</h2> <p>AdaptiveThresholdImage() selects an individual threshold for each pixel based on the range of intensity values in its local neighborhood. This @@ -105,16 +105,16 @@ doesn't contain distinctive peaks.</p> <dd><p>Return any errors or warnings in this structure.</p> </dd> </dl> -</div> -</div> -<div class="section" id="addnoiseimage"> +</section> +</section> +<section id="addnoiseimage"> <h1><a class="toc-backref" href="#id52">AddNoiseImage</a></h1> -<div class="section" id="id1"> +<section id="id1"> <h2>Synopsis</h2> <pre class="literal-block"><a class="reference external" href="../api/types.html#image">Image</a> *AddNoiseImage( const <a class="reference external" href="../api/types.html#image">Image</a> *image, const <a class="reference external" href="../api/types.html#noisetype">NoiseType</a> noise_type, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );</pre> -</div> -<div class="section" id="id2"> +</section> +<section id="id2"> <h2>Description</h2> <p>AddNoiseImage() adds random noise to the image.</p> <p>The format of the AddNoiseImage method is:</p> @@ -132,16 +132,16 @@ Impulse, Laplacian, Poisson, or Random.</p> <dd><p>Return any errors or warnings in this structure.</p> </dd> </dl> -</div> -</div> -<div class="section" id="addnoiseimagechannel"> +</section> +</section> +<section id="addnoiseimagechannel"> <h1><a class="toc-backref" href="#id53">AddNoiseImageChannel</a></h1> -<div class="section" id="id3"> +<section id="id3"> <h2>Synopsis</h2> <pre class="literal-block"><a class="reference external" href="../api/types.html#image">Image</a> *AddNoiseImageChannel( const <a class="reference external" href="../api/types.html#image">Image</a> *image, const <a class="reference external" href="../api/types.html#channeltype">ChannelType</a> channel, const <a class="reference external" href="../api/types.html#noisetype">NoiseType</a> noise_type, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );</pre> -</div> -<div class="section" id="id4"> +</section> +<section id="id4"> <h2>Description</h2> <p>AddNoiseImageChannel() adds random noise to one image channel.</p> <p>The format of the AddNoiseImageChannel method is:</p> @@ -162,15 +162,15 @@ Impulse, Laplacian, Poisson, or Random.</p> <dd><p>Return any errors or warnings in this structure.</p> </dd> </dl> -</div> -</div> -<div class="section" id="blackthresholdimage"> +</section> +</section> +<section id="blackthresholdimage"> <h1><a class="toc-backref" href="#id54">BlackThresholdImage</a></h1> -<div class="section" id="id5"> +<section id="id5"> <h2>Synopsis</h2> <pre class="literal-block">MagickPassFail BlackThresholdImage( <a class="reference external" href="../api/types.html#image">Image</a> *image, const char *thresholds );</pre> -</div> -<div class="section" id="id6"> +</section> +<section id="id6"> <h2>Description</h2> <p>BlackThresholdImage() adjusts the levels of image channels such that values below a specified threshold are set to the minimum value (black) @@ -189,16 +189,16 @@ the list contains a percent symbol (%) then all values are treated as a percentage of MaxRGB.</p> </dd> </dl> -</div> -</div> -<div class="section" id="blurimage"> +</section> +</section> +<section id="blurimage"> <h1><a class="toc-backref" href="#id55">BlurImage</a></h1> -<div class="section" id="id7"> +<section id="id7"> <h2>Synopsis</h2> <pre class="literal-block"><a class="reference external" href="../api/types.html#image">Image</a> *BlurImage( const <a class="reference external" href="../api/types.html#image">Image</a> *image, const double radius, const double sigma, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );</pre> -</div> -<div class="section" id="id8"> +</section> +<section id="id8"> <h2>Description</h2> <p>BlurImage() blurs an image. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). @@ -219,17 +219,17 @@ pixel.</p> <dd><p>Return any errors or warnings in this structure.</p> </dd> </dl> -</div> -</div> -<div class="section" id="blurimagechannel"> +</section> +</section> +<section id="blurimagechannel"> <h1><a class="toc-backref" href="#id56">BlurImageChannel</a></h1> -<div class="section" id="id9"> +<section id="id9"> <h2>Synopsis</h2> <pre class="literal-block"><a class="reference external" href="../api/types.html#image">Image</a> *BlurImageChannel( const <a class="reference external" href="../api/types.html#image">Image</a> *image, const <a class="reference external" href="../api/types.html#channeltype">ChannelType</a> channel, const double radius, const double sigma, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );</pre> -</div> -<div class="section" id="id10"> +</section> +<section id="id10"> <h2>Description</h2> <p>BlurImageChannel() blurs the specified image channel. We convolve the image channel with a Gaussian operator of the given radius and standard @@ -255,15 +255,15 @@ pixel.</p> <dd><p>Return any errors or warnings in this structure.</p> </dd> </dl> -</div> -</div> -<div class="section" id="channelthresholdimage"> +</section> +</section> +<section id="channelthresholdimage"> <h1><a class="toc-backref" href="#id57">ChannelThresholdImage</a></h1> -<div class="section" id="id11"> +<section id="id11"> <h2>Synopsis</h2> <pre class="literal-block">MagickPassFail ChannelThresholdImage( <a class="reference external" href="../api/types.html#image">Image</a> *image, const char *threshold );</pre> -</div> -<div class="section" id="id12"> +</section> +<section id="id12"> <h2>Description</h2> <p>ChannelThresholdImage() changes the value of individual pixels based on the level of each pixel channel. The result sets the affected channels @@ -282,16 +282,16 @@ have threshold values automatically scaled from a percentage to MaxRGB.</p> <dd><p>define the threshold values, <red>{<green>,<blue>,<opacity>}{%}.</p> </dd> </dl> -</div> -</div> -<div class="section" id="convolveimage"> +</section> +</section> +<section id="convolveimage"> <h1><a class="toc-backref" href="#id58">ConvolveImage</a></h1> -<div class="section" id="id13"> +<section id="id13"> <h2>Synopsis</h2> <pre class="literal-block"><a class="reference external" href="../api/types.html#image">Image</a> *ConvolveImage( const <a class="reference external" href="../api/types.html#image">Image</a> *image, const unsigned int order, const double *kernel, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );</pre> -</div> -<div class="section" id="id14"> +</section> +<section id="id14"> <h2>Description</h2> <p>ConvolveImage() applies a custom convolution kernel to the image.</p> <p>The format of the ConvolveImage method is:</p> @@ -311,15 +311,15 @@ have threshold values automatically scaled from a percentage to MaxRGB.</p> <dd><p>Return any errors or warnings in this structure.</p> </dd> </dl> -</div> -</div> -<div class="section" id="despeckleimage"> +</section> +</section> +<section id="despeckleimage"> <h1><a class="toc-backref" href="#id59">DespeckleImage</a></h1> -<div class="section" id="id15"> +<section id="id15"> <h2>Synopsis</h2> <pre class="literal-block"><a class="reference external" href="../api/types.html#image">Image</a> *DespeckleImage( const <a class="reference external" href="../api/types.html#image">Image</a> *image, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );</pre> -</div> -<div class="section" id="id16"> +</section> +<section id="id16"> <h2>Description</h2> <p>Despeckle() reduces the speckle noise in an image while preserving the edges of the original image.</p> @@ -334,16 +334,16 @@ edges of the original image.</p> <dd><p>Return any errors or warnings in this structure.</p> </dd> </dl> -</div> -</div> -<div class="section" id="edgeimage"> +</section> +</section> +<section id="edgeimage"> <h1><a class="toc-backref" href="#id60">EdgeImage</a></h1> -<div class="section" id="id17"> +<section id="id17"> <h2>Synopsis</h2> <pre class="literal-block"><a class="reference external" href="../api/types.html#image">Image</a> *EdgeImage( const <a class="reference external" href="../api/types.html#image">Image</a> *image, const double radius, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );</pre> -</div> -<div class="section" id="id18"> +</section> +<section id="id18"> <h2>Description</h2> <p>EdgeImage() finds edges in an image. Radius defines the radius of the convolution filter. Use a radius of 0 and Edge() selects a suitable @@ -362,16 +362,16 @@ radius for you.</p> <dd><p>Return any errors or warnings in this structure.</p> </dd> </dl> -</div> -</div> -<div class="section" id="embossimage"> +</section> +</section> +<section id="embossimage"> <h1><a class="toc-backref" href="#id61">EmbossImage</a></h1> -<div class="section" id="id19"> +<section id="id19"> <h2>Synopsis</h2> <pre class="literal-block"><a class="reference external" href="../api/types.html#image">Image</a> *EmbossImage( const <a class="reference external" href="../api/types.html#image">Image</a> *image, const double radius, const double sigma, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );</pre> -</div> -<div class="section" id="id20"> +</section> +<section id="id20"> <h2>Description</h2> <p>EmbossImage() returns a grayscale image with a three-dimensional effect. We convolve the image with a Gaussian operator of the given radius and @@ -395,15 +395,15 @@ radius for you.</p> <dd><p>Return any errors or warnings in this structure.</p> </dd> </dl> -</div> -</div> -<div class="section" id="enhanceimage"> +</section> +</section> +<section id="enhanceimage"> <h1><a class="toc-backref" href="#id62">EnhanceImage</a></h1> -<div class="section" id="id21"> +<section id="id21"> <h2>Synopsis</h2> <pre class="literal-block"><a class="reference external" href="../api/types.html#image">Image</a> *EnhanceImage( const <a class="reference external" href="../api/types.html#image">Image</a> *image, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );</pre> -</div> -<div class="section" id="id22"> +</section> +<section id="id22"> <h2>Description</h2> <p>EnhanceImage() applies a digital filter to the image color channels that improves the quality of a noisy image. The opacity channel is preserved @@ -419,16 +419,16 @@ but is otherwise ignored.</p> <dd><p>Return any errors or warnings in this structure.</p> </dd> </dl> -</div> -</div> -<div class="section" id="gaussianblurimage"> +</section> +</section> +<section id="gaussianblurimage"> <h1><a class="toc-backref" href="#id63">GaussianBlurImage</a></h1> -<div class="section" id="id23"> +<section id="id23"> <h2>Synopsis</h2> <pre class="literal-block"><a class="reference external" href="../api/types.html#image">Image</a> *GaussianBlurImage( const <a class="reference external" href="../api/types.html#image">Image</a> *image, const double radius, const double sigma, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );</pre> -</div> -<div class="section" id="id24"> +</section> +<section id="id24"> <h2>Description</h2> <p>GaussianBlurImage() blurs an image. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). @@ -457,17 +457,17 @@ pixel.</p> <dd><p>Return any errors or warnings in this structure.</p> </dd> </dl> -</div> -</div> -<div class="section" id="gaussianblurimagechannel"> +</section> +</section> +<section id="gaussianblurimagechannel"> <h1><a class="toc-backref" href="#id64">GaussianBlurImageChannel</a></h1> -<div class="section" id="id25"> +<section id="id25"> <h2>Synopsis</h2> <pre class="literal-block"><a class="reference external" href="../api/types.html#image">Image</a> *GaussianBlurImageChannel( const <a class="reference external" href="../api/types.html#image">Image</a> *image, const <a class="reference external" href="../api/types.html#channeltype">ChannelType</a> channel, const double radius, const double sigma, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );</pre> -</div> -<div class="section" id="id26"> +</section> +<section id="id26"> <h2>Description</h2> <p>GaussianBlurImageChannel() blurs an image channel. We convolve the image with a Gaussian operator of the given radius and standard deviation @@ -501,16 +501,16 @@ pixel.</p> <dd><p>Return any errors or warnings in this structure.</p> </dd> </dl> -</div> -</div> -<div class="section" id="medianfilterimage"> +</section> +</section> +<section id="medianfilterimage"> <h1><a class="toc-backref" href="#id65">MedianFilterImage</a></h1> -<div class="section" id="id27"> +<section id="id27"> <h2>Synopsis</h2> <pre class="literal-block"><a class="reference external" href="../api/types.html#image">Image</a> *MedianFilterImage( const <a class="reference external" href="../api/types.html#image">Image</a> *image, const double radius, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );</pre> -</div> -<div class="section" id="id28"> +</section> +<section id="id28"> <h2>Description</h2> <p>MedianFilterImage() applies a digital filter that improves the quality of a noisy image. Each pixel is replaced by the median in a set of @@ -533,16 +533,16 @@ Pugh in the June 1990 of Communications of the ACM.</p> <dd><p>Return any errors or warnings in this structure.</p> </dd> </dl> -</div> -</div> -<div class="section" id="motionblurimage"> +</section> +</section> +<section id="motionblurimage"> <h1><a class="toc-backref" href="#id66">MotionBlurImage</a></h1> -<div class="section" id="id29"> +<section id="id29"> <h2>Synopsis</h2> <pre class="literal-block"><a class="reference external" href="../api/types.html#image">Image</a> *MotionBlurImage( const <a class="reference external" href="../api/types.html#image">Image</a> *image, const double radius, const double sigma, const double angle, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );</pre> -</div> -<div class="section" id="id30"> +</section> +<section id="id30"> <h2>Description</h2> <p>MotionBlurImage() simulates motion blur. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). @@ -572,17 +572,17 @@ the center pixel.</p> <dd><p>Return any errors or warnings in this structure.</p> </dd> </dl> -</div> -</div> -<div class="section" id="randomchannelthresholdimage"> +</section> +</section> +<section id="randomchannelthresholdimage"> <h1><a class="toc-backref" href="#id67">RandomChannelThresholdImage</a></h1> -<div class="section" id="id31"> +<section id="id31"> <h2>Synopsis</h2> <pre class="literal-block">unsigned int RandomChannelThresholdImage( <a class="reference external" href="../api/types.html#image">Image</a> *image, const char *channel, const char *thresholds, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );</pre> -</div> -<div class="section" id="id32"> +</section> +<section id="id32"> <h2>Description</h2> <p>RandomChannelThresholdImage() changes the value of individual pixels based on the intensity of each pixel compared to a random threshold. The result @@ -608,16 +608,16 @@ instead.</p> <dd><p>Return any errors or warnings in this structure.</p> </dd> </dl> -</div> -</div> -<div class="section" id="reducenoiseimage"> +</section> +</section> +<section id="reducenoiseimage"> <h1><a class="toc-backref" href="#id68">ReduceNoiseImage</a></h1> -<div class="section" id="id33"> +<section id="id33"> <h2>Synopsis</h2> <pre class="literal-block"><a class="reference external" href="../api/types.html#image">Image</a> *ReduceNoiseImage( const <a class="reference external" href="../api/types.html#image">Image</a> *image, const double radius, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );</pre> -</div> -<div class="section" id="id34"> +</section> +<section id="id34"> <h2>Description</h2> <p>ReduceNoiseImage() smooths the contours of an image while still preserving edge information. The algorithm works by replacing each pixel with its @@ -637,16 +637,16 @@ of 0 and ReduceNoise() selects a suitable radius for you.</p> <dd><p>Return any errors or warnings in this structure.</p> </dd> </dl> -</div> -</div> -<div class="section" id="shadeimage"> +</section> +</section> +<section id="shadeimage"> <h1><a class="toc-backref" href="#id69">ShadeImage</a></h1> -<div class="section" id="id35"> +<section id="id35"> <h2>Synopsis</h2> <pre class="literal-block"><a class="reference external" href="../api/types.html#image">Image</a> *ShadeImage( const <a class="reference external" href="../api/types.html#image">Image</a> *image, const unsigned int gray, double azimuth, double elevation, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );</pre> -</div> -<div class="section" id="id36"> +</section> +<section id="id36"> <h2>Description</h2> <p>ShadeImage() shines a distant light on an image to create a three-dimensional effect. You control the positioning of the light with @@ -669,16 +669,16 @@ and elevation is measured in pixels above the Z axis.</p> <dd><p>Return any errors or warnings in this structure.</p> </dd> </dl> -</div> -</div> -<div class="section" id="sharpenimage"> +</section> +</section> +<section id="sharpenimage"> <h1><a class="toc-backref" href="#id70">SharpenImage</a></h1> -<div class="section" id="id37"> +<section id="id37"> <h2>Synopsis</h2> <pre class="literal-block"><a class="reference external" href="../api/types.html#image">Image</a> *SharpenImage( const <a class="reference external" href="../api/types.html#image">Image</a> *image, const double radius, const double sigma, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );</pre> -</div> -<div class="section" id="id38"> +</section> +<section id="id38"> <h2>Description</h2> <p>SharpenImage() sharpens an image. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). @@ -702,17 +702,17 @@ pixel.</p> <dd><p>Return any errors or warnings in this structure.</p> </dd> </dl> -</div> -</div> -<div class="section" id="sharpenimagechannel"> +</section> +</section> +<section id="sharpenimagechannel"> <h1><a class="toc-backref" href="#id71">SharpenImageChannel</a></h1> -<div class="section" id="id39"> +<section id="id39"> <h2>Synopsis</h2> <pre class="literal-block"><a class="reference external" href="../api/types.html#image">Image</a> *SharpenImageChannel( const <a class="reference external" href="../api/types.html#image">Image</a> *image, const <a class="reference external" href="../api/types.html#channeltype">ChannelType</a> channel, const double radius, const double sigma, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );</pre> -</div> -<div class="section" id="id40"> +</section> +<section id="id40"> <h2>Description</h2> <p>SharpenImageChannel() sharpens an image channel. We convolve the image channel with a Gaussian operator of the given radius and standard @@ -741,16 +741,16 @@ pixel.</p> <dd><p>Return any errors or warnings in this structure.</p> </dd> </dl> -</div> -</div> -<div class="section" id="spreadimage"> +</section> +</section> +<section id="spreadimage"> <h1><a class="toc-backref" href="#id72">SpreadImage</a></h1> -<div class="section" id="id41"> +<section id="id41"> <h2>Synopsis</h2> <pre class="literal-block"><a class="reference external" href="../api/types.html#image">Image</a> *SpreadImage( const <a class="reference external" href="../api/types.html#image">Image</a> *image, const unsigned int radius, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );</pre> -</div> -<div class="section" id="id42"> +</section> +<section id="id42"> <h2>Description</h2> <p>SpreadImage() is a special effects method that randomly displaces each pixel in a block defined by the radius parameter. Useful values are 1 @@ -769,15 +769,15 @@ to than less than 100.</p> <dd><p>Return any errors or warnings in this structure.</p> </dd> </dl> -</div> -</div> -<div class="section" id="thresholdimage"> +</section> +</section> +<section id="thresholdimage"> <h1><a class="toc-backref" href="#id73">ThresholdImage</a></h1> -<div class="section" id="id43"> +<section id="id43"> <h2>Synopsis</h2> <pre class="literal-block">MagickPassFail ThresholdImage( <a class="reference external" href="../api/types.html#image">Image</a> *image, const double threshold );</pre> -</div> -<div class="section" id="id44"> +</section> +<section id="id44"> <h2>Description</h2> <p>ThresholdImage() changes the value of individual pixels based on the intensity of each pixel compared to a specified threshold. Values @@ -795,17 +795,17 @@ value. The result is a high-contrast, two color image.</p> <dd><p>Define the threshold value</p> </dd> </dl> -</div> -</div> -<div class="section" id="unsharpmaskimage"> +</section> +</section> +<section id="unsharpmaskimage"> <h1><a class="toc-backref" href="#id74">UnsharpMaskImage</a></h1> -<div class="section" id="id45"> +<section id="id45"> <h2>Synopsis</h2> <pre class="literal-block"><a class="reference external" href="../api/types.html#image">Image</a> *UnsharpMaskImage( const <a class="reference external" href="../api/types.html#image">Image</a> *image, const double radius, const double sigma, const double amount, const double threshold, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );</pre> -</div> -<div class="section" id="id46"> +</section> +<section id="id46"> <h2>Description</h2> <p>UnsharpMaskImage() sharpens an image. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). @@ -831,23 +831,23 @@ pixel.</p> blur image that is added back into the original.</p> </dd> <dt>threshold:</dt> -<dd><p>The threshold in pixels needed to apply the diffence amount.</p> +<dd><p>The threshold in pixels needed to apply the difference amount.</p> </dd> <dt>exception:</dt> <dd><p>Return any errors or warnings in this structure.</p> </dd> </dl> -</div> -</div> -<div class="section" id="unsharpmaskimagechannel"> +</section> +</section> +<section id="unsharpmaskimagechannel"> <h1><a class="toc-backref" href="#id75">UnsharpMaskImageChannel</a></h1> -<div class="section" id="id47"> +<section id="id47"> <h2>Synopsis</h2> <pre class="literal-block"><a class="reference external" href="../api/types.html#image">Image</a> *UnsharpMaskImageChannel( const <a class="reference external" href="../api/types.html#image">Image</a> *image, const <a class="reference external" href="../api/types.html#channeltype">ChannelType</a> channel, const double radius, const double sigma, const double amount, const double threshold, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );</pre> -</div> -<div class="section" id="id48"> +</section> +<section id="id48"> <h2>Description</h2> <p>UnsharpMaskImageChannel() sharpens an image channel. We convolve the image channel with a Gaussian operator of the given radius and standard @@ -877,21 +877,21 @@ pixel.</p> blur image that is added back into the original.</p> </dd> <dt>threshold:</dt> -<dd><p>The threshold in pixels needed to apply the diffence amount.</p> +<dd><p>The threshold in pixels needed to apply the difference amount.</p> </dd> <dt>exception:</dt> <dd><p>Return any errors or warnings in this structure.</p> </dd> </dl> -</div> -</div> -<div class="section" id="whitethresholdimage"> +</section> +</section> +<section id="whitethresholdimage"> <h1><a class="toc-backref" href="#id76">WhiteThresholdImage</a></h1> -<div class="section" id="id49"> +<section id="id49"> <h2>Synopsis</h2> <pre class="literal-block">MagickPassFail WhiteThresholdImage( <a class="reference external" href="../api/types.html#image">Image</a> *image, const char *thresholds );</pre> -</div> -<div class="section" id="id50"> +</section> +<section id="id50"> <h2>Description</h2> <p>WhiteThresholdImage() adjusts the levels of image channels such that values above a specified threshold are set to the maximum value (white) @@ -910,16 +910,16 @@ the list contains a percent symbol (%) then all values are treated as a percentage of MaxRGB.</p> </dd> </dl> -</div> -</div> -</div> +</section> +</section> +</main> <hr class="docutils"> <div class="document"> - <p><a href="../Copyright.html">Copyright</a> © GraphicsMagick Group 2002 - 2023<!--SPONSOR_LOGO--></p> + <p><a href="../Copyright.html">Copyright</a> © GraphicsMagick Group 2002 - 2024<!--SPONSOR_LOGO--></p> </div> -</div> +</main> </body> </html> |