API Reference Document
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图像生成和处理
Gmagick
Gmagick
简介
安装/配置
需求
安装
运行时配置
预定义常量
范例
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
— The flopimage purpose
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
— The line purpose
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