# Gmagick

- 简介
- 安装/配置
  - 需求
  - 安装
- 预定义常量
- 示例
- Gmagick — The Gmagick class
  - Gmagick::addimage — Adds new image to Gmagick object image list
  - Gmagick::addnoiseimage — Adds random noise to the image
  - Gmagick::annotateimage — Annotates an image with text
  - Gmagick::blurimage — Adds blur filter to image
  - Gmagick::borderimage — Surrounds the image with a border
  - Gmagick::charcoalimage — Simulates a charcoal drawing
  - Gmagick::chopimage — Removes a region of an image and trims
  - Gmagick::clear — Clears all resources associated to Gmagick object
  - Gmagick::commentimage — Adds a comment to your image
  - Gmagick::compositeimage — Composite one image onto another
  - Gmagick::__construct — The Gmagick constructor
  - Gmagick::cropimage — Extracts a region of the image
  - Gmagick::cropthumbnailimage — Creates a crop thumbnail
  - Gmagick::current — The current purpose
  - Gmagick::cyclecolormapimage — Displaces an image's colormap
  - Gmagick::deconstructimages — Returns certain pixel differences between images
  - Gmagick::despeckleimage — The despeckleimage purpose
  - Gmagick::destroy — The destroy purpose
  - Gmagick::drawimage — Renders the GmagickDraw object on the current image
  - Gmagick::edgeimage — Enhance edges within the image
  - Gmagick::embossimage — Returns a grayscale image with a three-dimensional effect
  - Gmagick::enhanceimage — Improves the quality of a noisy image
  - Gmagick::equalizeimage — Equalizes the image histogram
  - Gmagick::flipimage — Creates a vertical mirror image
  - Gmagick::flopimage — Creates a horizontal mirror image
  - Gmagick::frameimage — Adds a simulated three-dimensional border
  - Gmagick::gammaimage — Gamma-corrects an image
  - Gmagick::getcopyright — Returns the GraphicsMagick API copyright as a string
  - Gmagick::getfilename — The filename associated with an image sequence
  - Gmagick::getimagebackgroundcolor — Returns the image background color
  - Gmagick::getimageblueprimary — Returns the chromaticy blue primary point
  - Gmagick::getimagebordercolor — Returns the image border color
  - Gmagick::getimagechanneldepth — Gets the depth for a particular image channel
  - Gmagick::getimagecolors — Returns the color of the specified colormap index
  - Gmagick::getimagecolorspace — Gets the image colorspace
  - Gmagick::getimagecompose — Returns the composite operator associated with the image
  - Gmagick::getimagedelay — Gets the image delay
  - Gmagick::getimagedepth — Gets the depth of the image
  - Gmagick::getimagedispose — Gets the image disposal method
  - Gmagick::getimageextrema — Gets the extrema for the image
  - Gmagick::getimagefilename — Returns the filename of a particular image in a sequence
  - Gmagick::getimageformat — Returns the format of a particular image in a sequence
  - Gmagick::getimagegamma — Gets the image gamma
  - Gmagick::getimagegreenprimary — Returns the chromaticy green primary point
  - Gmagick::getimageheight — Returns the image height
  - Gmagick::getimagehistogram — Gets the image histogram
  - Gmagick::getimageindex — Gets the index of the current active image
  - Gmagick::getimageinterlacescheme — Gets the image interlace scheme
  - Gmagick::getimageiterations — Gets the image iterations
  - Gmagick::getimagematte — Check if the image has a matte channel
  - Gmagick::getimagemattecolor — Returns the image matte color
  - Gmagick::getimageprofile — Returns the named image profile
  - Gmagick::getimageredprimary — Returns the chromaticity red primary point
  - Gmagick::getimagerenderingintent — Gets the image rendering intent
  - Gmagick::getimageresolution — Gets the image X and Y resolution
  - Gmagick::getimagescene — Gets the image scene
  - Gmagick::getimagesignature — Generates an SHA-256 message digest
  - Gmagick::getimagetype — Gets the potential image type
  - Gmagick::getimageunits — Gets the image units of resolution
  - Gmagick::getimagewhitepoint — Returns the chromaticity white point
  - Gmagick::getimagewidth — Returns the width of the image
  - Gmagick::getpackagename — Returns the GraphicsMagick package name
  - Gmagick::getquantumdepth — Returns the Gmagick quantum depth as a string
  - Gmagick::getreleasedate — Returns the GraphicsMagick release date as a string
  - Gmagick::getsamplingfactors — Gets the horizontal and vertical sampling factor
  - Gmagick::getsize — Returns the size associated with the Gmagick object
  - Gmagick::getversion — Returns the GraphicsMagick API version
  - Gmagick::hasnextimage — Checks if the object has more images
  - Gmagick::haspreviousimage — Checks if the object has a previous image
  - Gmagick::implodeimage — Creates a new image as a copy
  - Gmagick::labelimage — Adds a label to an image
  - Gmagick::levelimage — Adjusts the levels of an image
  - Gmagick::magnifyimage — Scales an image proportionally 2x
  - Gmagick::mapimage — Replaces the colors of an image with the closest color from a reference image
  - Gmagick::medianfilterimage — Applies a digital filter
  - Gmagick::minifyimage — Scales an image proportionally to half its size
  - Gmagick::modulateimage — Control the brightness, saturation, and hue
  - Gmagick::motionblurimage — Simulates motion blur
  - Gmagick::newimage — Creates a new image
  - Gmagick::nextimage — Moves to the next image
  - Gmagick::normalizeimage — Enhances the contrast of a color image
  - Gmagick::oilpaintimage — Simulates an oil painting
  - Gmagick::previousimage — Move to the previous image in the object
  - Gmagick::profileimage — Adds or removes a profile from an image
  - Gmagick::quantizeimage — Analyzes the colors within a reference image
  - Gmagick::quantizeimages — The quantizeimages purpose
  - Gmagick::queryfontmetrics — Returns an array representing the font metrics
  - Gmagick::queryfonts — Returns the configured fonts
  - Gmagick::queryformats — Returns formats supported by Gmagick
  - Gmagick::radialblurimage — Radial blurs an image
  - Gmagick::raiseimage — Creates a simulated 3d button-like effect
  - Gmagick::read — Reads image from filename
  - Gmagick::readimage — Reads image from filename
  - Gmagick::readimageblob — Reads image from a binary string
  - Gmagick::readimagefile — The readimagefile purpose
  - Gmagick::reducenoiseimage — Smooths the contours of an image
  - Gmagick::removeimage — Removes an image from the image list
  - Gmagick::removeimageprofile — Removes the named image profile and returns it
  - Gmagick::resampleimage — Resample image to desired resolution
  - Gmagick::resizeimage — Scales an image
  - Gmagick::rollimage — Offsets an image
  - Gmagick::rotateimage — Rotates an image
  - Gmagick::scaleimage — Scales the size of an image
  - Gmagick::separateimagechannel — Separates a channel from the image
  - Gmagick::setCompressionQuality — Sets the object's default compression quality
  - Gmagick::setfilename — Sets the filename before you read or write the image
  - Gmagick::setimagebackgroundcolor — Sets the image background color
  - Gmagick::setimageblueprimary — Sets the image chromaticity blue primary point
  - Gmagick::setimagebordercolor — Sets the image border color
  - Gmagick::setimagechanneldepth — Sets the depth of a particular image channel
  - Gmagick::setimagecolorspace — Sets the image colorspace
  - Gmagick::setimagecompose — Sets the image composite operator
  - Gmagick::setimagedelay — Sets the image delay
  - Gmagick::setimagedepth — Sets the image depth
  - Gmagick::setimagedispose — Sets the image disposal method
  - Gmagick::setimagefilename — Sets the filename of a particular image in a sequence
  - Gmagick::setimageformat — Sets the format of a particular image
  - Gmagick::setimagegamma — Sets the image gamma
  - Gmagick::setimagegreenprimary — Sets the image chromaticity green primary point
  - Gmagick::setimageindex — Set the iterator to the position in the image list specified with the index parameter
  - Gmagick::setimageinterlacescheme — Sets the interlace scheme of the image
  - Gmagick::setimageiterations — Sets the image iterations
  - Gmagick::setimageprofile — Adds a named profile to the Gmagick object
  - Gmagick::setimageredprimary — Sets the image chromaticity red primary point
  - Gmagick::setimagerenderingintent — Sets the image rendering intent
  - Gmagick::setimageresolution — Sets the image resolution
  - Gmagick::setimagescene — Sets the image scene
  - Gmagick::setimagetype — Sets the image type
  - Gmagick::setimageunits — Sets the image units of resolution
  - Gmagick::setimagewhitepoint — Sets the image chromaticity white point
  - Gmagick::setsamplingfactors — Sets the image sampling factors
  - Gmagick::setsize — Sets the size of the Gmagick object
  - Gmagick::shearimage — Creating a parallelogram
  - Gmagick::solarizeimage — Applies a solarizing effect to the image
  - Gmagick::spreadimage — Randomly displaces each pixel in a block
  - Gmagick::stripimage — Strips an image of all profiles and comments
  - Gmagick::swirlimage — Swirls the pixels about the center of the image
  - Gmagick::thumbnailimage — Changes the size of an image
  - Gmagick::trimimage — Remove edges from the image
  - Gmagick::write — 别名 Gmagick::writeimage
  - Gmagick::writeimage — Writes an image to the specified filename
- GmagickDraw — The GmagickDraw class
  - GmagickDraw::annotate — Draws text on the image
  - GmagickDraw::arc — Draws an arc
  - GmagickDraw::bezier — Draws a bezier curve
  - GmagickDraw::ellipse — Draws an ellipse on the image
  - GmagickDraw::getfillcolor — Returns the fill color
  - GmagickDraw::getfillopacity — Returns the opacity used when drawing
  - GmagickDraw::getfont — Returns the font
  - GmagickDraw::getfontsize — Returns the font pointsize
  - GmagickDraw::getfontstyle — Returns the font style
  - GmagickDraw::getfontweight — Returns the font weight
  - GmagickDraw::getstrokecolor — Returns the color used for stroking object outlines
  - GmagickDraw::getstrokeopacity — Returns the opacity of stroked object outlines
  - GmagickDraw::getstrokewidth — Returns the width of the stroke used to draw object outlines
  - GmagickDraw::gettextdecoration — Returns the text decoration
  - GmagickDraw::gettextencoding — Returns the code set used for text annotations
  - GmagickDraw::line — Draws a line
  - GmagickDraw::point — Draws a point
  - GmagickDraw::polygon — Draws a polygon
  - GmagickDraw::polyline — Draws a polyline
  - GmagickDraw::rectangle — Draws a rectangle
  - GmagickDraw::rotate — Applies the specified rotation to the current coordinate space
  - GmagickDraw::roundrectangle — Draws a rounded rectangle
  - GmagickDraw::scale — Adjusts the scaling factor
  - GmagickDraw::setfillcolor — Sets the fill color to be used for drawing filled objects
  - GmagickDraw::setfillopacity — The setfillopacity purpose
  - GmagickDraw::setfont — Sets the fully-specified font to use when annotating with text
  - GmagickDraw::setfontsize — Sets the font pointsize to use when annotating with text
  - GmagickDraw::setfontstyle — Sets the font style to use when annotating with text
  - GmagickDraw::setfontweight — Sets the font weight
  - GmagickDraw::setstrokecolor — Sets the color used for stroking object outlines
  - GmagickDraw::setstrokeopacity — Specifies the opacity of stroked object outlines
  - GmagickDraw::setstrokewidth — Sets the width of the stroke used to draw object outlines
  - GmagickDraw::settextdecoration — Specifies a decoration
  - GmagickDraw::settextencoding — Specifies the text code set
- GmagickPixel — The GmagickPixel class
  - GmagickPixel::__construct — The GmagickPixel constructor
  - GmagickPixel::getcolor — Returns the color
  - GmagickPixel::getcolorcount — Returns the color count associated with this color
  - GmagickPixel::getcolorvalue — Gets the normalized value of the provided color channel
  - GmagickPixel::setcolor — Sets the color
  - GmagickPixel::setcolorvalue — Sets the normalized value of one of the channels

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