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DEFINITIONS
This source file includes following definitions.
- reduceNoise
- lineWidth
- lineWidth
- classType
- columns
- rows
// This may look like C code, but it is really -*- C++ -*-
//
// Copyright Bob Friesenhahn, 1999, 2000, 2001, 2002, 2003
//
// Definition of Image, the representation of a single image in Magick++
//
#if !defined(Magick_Image_header)
#define Magick_Image_header
#include "Magick++/Include.h"
#include <string>
#include <list>
#include "Magick++/Blob.h"
#include "Magick++/Color.h"
#include "Magick++/Drawable.h"
#include "Magick++/Exception.h"
#include "Magick++/Geometry.h"
#include "Magick++/TypeMetric.h"
namespace Magick
{
// Forward declarations
class Options;
class ImageRef;
extern MagickPPExport const char *borderGeometryDefault;
extern MagickPPExport const char *frameGeometryDefault;
extern MagickPPExport const char *raiseGeometryDefault;
// Compare two Image objects regardless of LHS/RHS
// Image sizes and signatures are used as basis of comparison
int MagickPPExport operator == ( const Magick::Image& left_,
const Magick::Image& right_ );
int MagickPPExport operator != ( const Magick::Image& left_,
const Magick::Image& right_ );
int MagickPPExport operator > ( const Magick::Image& left_,
const Magick::Image& right_ );
int MagickPPExport operator < ( const Magick::Image& left_,
const Magick::Image& right_ );
int MagickPPExport operator >= ( const Magick::Image& left_,
const Magick::Image& right_ );
int MagickPPExport operator <= ( const Magick::Image& left_,
const Magick::Image& right_ );
// C library initialization routine
void MagickPPExport InitializeMagick ( const char *path_ );
//
// Image is the representation of an image. In reality, it actually
// a handle object which contains a pointer to a shared reference
// object (ImageRef). As such, this object is extremely space efficient.
//
class MagickPPExport Image
{
public:
// Construct from image file or image specification
Image ( const std::string &imageSpec_ );
// Construct a blank image canvas of specified size and color
Image ( const Geometry &size_, const Color &color_ );
// Construct Image from in-memory BLOB
Image ( const Blob &blob_ );
// Construct Image of specified size from in-memory BLOB
Image ( const Blob &blob_, const Geometry &size_ );
// Construct Image of specified size and depth from in-memory BLOB
Image ( const Blob &blob_, const Geometry &size,
const size_t depth );
// Construct Image of specified size, depth, and format from
// in-memory BLOB
Image ( const Blob &blob_, const Geometry &size,
const size_t depth_,
const std::string &magick_ );
// Construct Image of specified size, and format from in-memory
// BLOB
Image ( const Blob &blob_, const Geometry &size,
const std::string &magick_ );
// Construct an image based on an array of raw pixels, of
// specified type and mapping, in memory
Image ( const size_t width_,
const size_t height_,
const std::string &map_,
const StorageType type_,
const void *pixels_ );
// Default constructor
Image ( void );
// Destructor
virtual ~Image ();
/// Copy constructor
Image ( const Image & image_ );
// Assignment operator
Image& operator= ( const Image &image_ );
//////////////////////////////////////////////////////////////////////
//
// Image operations
//
//////////////////////////////////////////////////////////////////////
// Adaptive-blur image with specified blur factor
// The radius_ parameter specifies the radius of the Gaussian, in
// pixels, not counting the center pixel. The sigma_ parameter
// specifies the standard deviation of the Laplacian, in pixels.
void adaptiveBlur ( const double radius_ = 0.0,
const double sigma_ = 1.0 );
// This is shortcut function for a fast interpolative resize using mesh
// interpolation. It works well for small resizes of less than +/- 50%
// of the original image size. For larger resizing on images a full
// filtered and slower resize function should be used instead.
void adaptiveResize ( const Geometry &geometry_ );
// Adaptively sharpens the image by sharpening more intensely near image
// edges and less intensely far from edges. We sharpen the image with a
// Gaussian operator of the given radius and standard deviation (sigma).
// For reasonable results, radius should be larger than sigma.
void adaptiveSharpen ( const double radius_ = 0.0,
const double sigma_ = 1.0 );
void adaptiveSharpenChannel ( const ChannelType channel_,
const double radius_ = 0.0,
const double sigma_ = 1.0 );
// Local adaptive threshold image
// http://www.dai.ed.ac.uk/HIPR2/adpthrsh.htm
// Width x height define the size of the pixel neighborhood
// offset = constant to subtract from pixel neighborhood mean
void adaptiveThreshold ( const size_t width,
const size_t height,
const ::ssize_t offset = 0 );
// Add noise to image with specified noise type
void addNoise ( const NoiseType noiseType_ );
void addNoiseChannel ( const ChannelType channel_,
const NoiseType noiseType_ );
// Transform image by specified affine (or free transform) matrix.
void affineTransform ( const DrawableAffine &affine );
//
// Annotate image (draw text on image)
//
// Gravity effects text placement in bounding area according to rules:
// NorthWestGravity text bottom-left corner placed at top-left
// NorthGravity text bottom-center placed at top-center
// NorthEastGravity text bottom-right corner placed at top-right
// WestGravity text left-center placed at left-center
// CenterGravity text center placed at center
// EastGravity text right-center placed at right-center
// SouthWestGravity text top-left placed at bottom-left
// SouthGravity text top-center placed at bottom-center
// SouthEastGravity text top-right placed at bottom-right
// Annotate using specified text, and placement location
void annotate ( const std::string &text_,
const Geometry &location_ );
// Annotate using specified text, bounding area, and placement
// gravity
void annotate ( const std::string &text_,
const Geometry &boundingArea_,
const GravityType gravity_ );
// Annotate with text using specified text, bounding area,
// placement gravity, and rotation.
void annotate ( const std::string &text_,
const Geometry &boundingArea_,
const GravityType gravity_,
const double degrees_ );
// Annotate with text (bounding area is entire image) and placement
// gravity.
void annotate ( const std::string &text_,
const GravityType gravity_ );
// Inserts the artifact with the specified name and value into
// the artifact tree of the image.
void artifact ( const std::string &name_,
const std::string &value_ );
// Returns the value of the artifact with the specified name.
std::string artifact ( const std::string &name_ );
// Extracts the 'mean' from the image and adjust the image to try
// make set its gamma appropriatally.
void autoGamma ( void );
void autoGammaChannel ( const ChannelType channel_ );
// Adjusts the levels of a particular image channel by scaling the
// minimum and maximum values to the full quantum range.
void autoLevel ( void );
void autoLevelChannel ( const ChannelType channel_ );
// Adjusts an image so that its orientation is suitable for viewing.
void autoOrient ( void );
// Forces all pixels below the threshold into black while leaving all
// pixels at or above the threshold unchanged.
void blackThreshold ( const std::string &threshold_ );
void blackThresholdChannel ( const ChannelType channel_,
const std::string &threshold_ );
// Simulate a scene at nighttime in the moonlight.
void blueShift ( const double factor_ = 1.5 );
// Blur image with specified blur factor
// The radius_ parameter specifies the radius of the Gaussian, in
// pixels, not counting the center pixel. The sigma_ parameter
// specifies the standard deviation of the Laplacian, in pixels.
void blur ( const double radius_ = 0.0,
const double sigma_ = 1.0 );
void blurChannel ( const ChannelType channel_,
const double radius_ = 0.0,
const double sigma_ = 1.0 );
// Border image (add border to image)
void border ( const Geometry &geometry_
= borderGeometryDefault );
// Changes the brightness and/or contrast of an image. It converts the
// brightness and contrast parameters into slope and intercept and calls
// a polynomical function to apply to the image.
void brightnessContrast ( const double brightness_ = 0.0,
const double contrast_ = 0.0 );
void brightnessContrastChannel ( const ChannelType channel_,
const double brightness_ = 0.0,
const double contrast_ = 0.0 );
// Extract channel from image
void channel ( const ChannelType channel_ );
// Set or obtain modulus channel depth
void channelDepth ( const ChannelType channel_,
const size_t depth_ );
size_t channelDepth ( const ChannelType channel_ );
// Charcoal effect image (looks like charcoal sketch)
// The radius_ parameter specifies the radius of the Gaussian, in
// pixels, not counting the center pixel. The sigma_ parameter
// specifies the standard deviation of the Laplacian, in pixels.
void charcoal ( const double radius_ = 0.0,
const double sigma_ = 1.0 );
// Chop image (remove vertical or horizontal subregion of image)
// FIXME: describe how geometry argument is used to select either
// horizontal or vertical subregion of image.
void chop ( const Geometry &geometry_ );
// Accepts a lightweight Color Correction Collection
// (CCC) file which solely contains one or more color corrections and
// applies the correction to the image.
void cdl ( const std::string &cdl_ );
// Set each pixel whose value is below zero to zero and any the
// pixel whose value is above the quantum range to the quantum range (e.g.
// 65535) otherwise the pixel value remains unchanged.
void clamp ( void );
void clampChannel ( const ChannelType channel_ );
// Apply a color lookup table (CLUT) to the image.
void clut ( const Image &clutImage_ );
void clutChannel ( const ChannelType channel_,
const Image &clutImage_);
// Colorize image with pen color, using specified percent opacity
// for red, green, and blue quantums
void colorize ( const unsigned int opacityRed_,
const unsigned int opacityGreen_,
const unsigned int opacityBlue_,
const Color &penColor_ );
// Colorize image with pen color, using specified percent opacity.
void colorize ( const unsigned int opacity_,
const Color &penColor_ );
// Apply a color matrix to the image channels. The user supplied
// matrix may be of order 1 to 5 (1x1 through 5x5).
void colorMatrix ( const size_t order_,
const double *color_matrix_ );
// Compare current image with another image
// Sets meanErrorPerPixel, normalizedMaxError, and normalizedMeanError
// in the current image. False is returned if the images are identical.
bool compare ( const Image &reference_ );
// Compose an image onto another at specified offset and using
// specified algorithm
void composite ( const Image &compositeImage_,
const ::ssize_t xOffset_,
const ::ssize_t yOffset_,
const CompositeOperator compose_
= InCompositeOp );
void composite ( const Image &compositeImage_,
const Geometry &offset_,
const CompositeOperator compose_
= InCompositeOp );
void composite ( const Image &compositeImage_,
const GravityType gravity_,
const CompositeOperator compose_
= InCompositeOp );
// Contrast image (enhance intensity differences in image)
void contrast ( const size_t sharpen_ );
// A simple image enhancement technique that attempts to improve the
// contrast in an image by 'stretching' the range of intensity values
// it contains to span a desired range of values. It differs from the
// more sophisticated histogram equalization in that it can only apply a
// linear scaling function to the image pixel values. As a result the
// 'enhancement' is less harsh.
void contrastStretch ( const double black_point_,
const double white_point_ );
void contrastStretchChannel ( const ChannelType channel_,
const double black_point_,
const double white_point_ );
// Convolve image. Applies a user-specified convolution to the image.
// order_ represents the number of columns and rows in the filter kernel.
// kernel_ is an array of doubles representing the convolution kernel.
void convolve ( const size_t order_,
const double *kernel_ );
// Crop image (subregion of original image)
void crop ( const Geometry &geometry_ );
// Cycle image colormap
void cycleColormap ( const ::ssize_t amount_ );
// Converts cipher pixels to plain pixels.
void decipher ( const std::string &passphrase_ );
// Removes skew from the image. Skew is an artifact that occurs in scanned
// images because of the camera being misaligned, imperfections in the
// scanning or surface, or simply because the paper was not placed
// completely flat when scanned. The value of threshold_ ranges from 0
// to QuantumRange.
void deskew ( const double threshold_ );
// Despeckle image (reduce speckle noise)
void despeckle ( void );
// Display image on screen
void display ( void );
// Distort image. distorts an image using various distortion methods, by
// mapping color lookups of the source image to a new destination image
// usally of the same size as the source image, unless 'bestfit' is set to
// true.
void distort ( const DistortImageMethod method_,
const size_t number_arguments_,
const double *arguments_,
const bool bestfit_ = false );
// Draw on image using a single drawable
void draw ( const Drawable &drawable_ );
// Draw on image using a drawable list
void draw ( const std::list<Magick::Drawable> &drawable_ );
// Edge image (hilight edges in image)
void edge ( const double radius_ = 0.0 );
// Emboss image (hilight edges with 3D effect)
// The radius_ parameter specifies the radius of the Gaussian, in
// pixels, not counting the center pixel. The sigma_ parameter
// specifies the standard deviation of the Laplacian, in pixels.
void emboss ( const double radius_ = 0.0,
const double sigma_ = 1.0);
// Converts pixels to cipher-pixels.
void encipher ( const std::string &passphrase_ );
// Enhance image (minimize noise)
void enhance ( void );
// Equalize image (histogram equalization)
void equalize ( void );
// Erase image to current "background color"
void erase ( void );
// Extend the image as defined by the geometry.
void extent ( const Geometry &geometry_ );
void extent ( const Geometry &geometry_,
const Color &backgroundColor );
void extent ( const Geometry &geometry_,
const GravityType gravity_ );
void extent ( const Geometry &geometry_,
const Color &backgroundColor,
const GravityType gravity_ );
// Flip image (reflect each scanline in the vertical direction)
void flip ( void );
// Flood-fill color across pixels that match the color of the
// target pixel and are neighbors of the target pixel.
// Uses current fuzz setting when determining color match.
void floodFillColor ( const ::ssize_t x_,
const ::ssize_t y_,
const Color &fillColor_ );
void floodFillColor ( const Geometry &point_,
const Color &fillColor_ );
// Flood-fill color across pixels starting at target-pixel and
// stopping at pixels matching specified border color.
// Uses current fuzz setting when determining color match.
void floodFillColor ( const ::ssize_t x_,
const ::ssize_t y_,
const Color &fillColor_,
const Color &borderColor_ );
void floodFillColor ( const Geometry &point_,
const Color &fillColor_,
const Color &borderColor_ );
// Floodfill pixels matching color (within fuzz factor) of target
// pixel(x,y) with replacement opacity value using method.
void floodFillOpacity ( const ::ssize_t x_,
const ::ssize_t y_,
const unsigned int opacity_,
const PaintMethod method_ );
// Flood-fill texture across pixels that match the color of the
// target pixel and are neighbors of the target pixel.
// Uses current fuzz setting when determining color match.
void floodFillTexture ( const ::ssize_t x_,
const ::ssize_t y_,
const Image &texture_ );
void floodFillTexture ( const Geometry &point_,
const Image &texture_ );
// Flood-fill texture across pixels starting at target-pixel and
// stopping at pixels matching specified border color.
// Uses current fuzz setting when determining color match.
void floodFillTexture ( const ::ssize_t x_,
const ::ssize_t y_,
const Image &texture_,
const Color &borderColor_ );
void floodFillTexture ( const Geometry &point_,
const Image &texture_,
const Color &borderColor_ );
// Flop image (reflect each scanline in the horizontal direction)
void flop ( void );
// Frame image
void frame ( const Geometry &geometry_ = frameGeometryDefault );
void frame ( const size_t width_,
const size_t height_,
const ::ssize_t innerBevel_ = 6,
const ::ssize_t outerBevel_ = 6 );
// Applies a mathematical expression to the image.
void fx ( const std::string expression );
void fx ( const std::string expression,
const Magick::ChannelType channel );
// Gamma correct image
void gamma ( const double gamma_ );
void gamma ( const double gammaRed_,
const double gammaGreen_,
const double gammaBlue_ );
// Gaussian blur image
// The number of neighbor pixels to be included in the convolution
// mask is specified by 'width_'. The standard deviation of the
// gaussian bell curve is specified by 'sigma_'.
void gaussianBlur ( const double width_, const double sigma_ );
void gaussianBlurChannel ( const ChannelType channel_,
const double width_,
const double sigma_ );
// Apply a color lookup table (Hald CLUT) to the image.
void haldClut ( const Image &clutImage_ );
// Implode image (special effect)
void implode ( const double factor_ );
// Implements the inverse discrete Fourier transform (DFT) of the image
// either as a magnitude / phase or real / imaginary image pair.
void inverseFourierTransform ( const Image &phase_ );
void inverseFourierTransform ( const Image &phase_,
const bool magnitude_ );
// Label image
void label ( const std::string &label_ );
// Level image. Adjust the levels of the image by scaling the
// colors falling between specified white and black points to the
// full available quantum range. The parameters provided represent
// the black, mid (gamma), and white points. The black point
// specifies the darkest color in the image. Colors darker than
// the black point are set to zero. Mid point (gamma) specifies a
// gamma correction to apply to the image. White point specifies
// the lightest color in the image. Colors brighter than the
// white point are set to the maximum quantum value. The black and
// white point have the valid range 0 to QuantumRange while mid (gamma)
// has a useful range of 0 to ten.
void level ( const double black_point,
const double white_point,
const double mid_point=1.0 );
// Level image channel. Adjust the levels of the image channel by
// scaling the values falling between specified white and black
// points to the full available quantum range. The parameters
// provided represent the black, mid (gamma), and white points.
// The black point specifies the darkest color in the
// image. Colors darker than the black point are set to zero. Mid
// point (gamma) specifies a gamma correction to apply to the
// image. White point specifies the lightest color in the image.
// Colors brighter than the white point are set to the maximum
// quantum value. The black and white point have the valid range 0
// to QuantumRange while mid (gamma) has a useful range of 0 to ten.
void levelChannel ( const ChannelType channel,
const double black_point,
const double white_point,
const double mid_point=1.0 );
// Maps the given color to "black" and "white" values, linearly spreading
// out the colors, and level values on a channel by channel bases, as
// per level(). The given colors allows you to specify different level
// ranges for each of the color channels separately.
void levelColors ( const Color &whiteColor_,
const Color &blackColor_,
const bool invert_ );
void levelColorsChannel ( const ChannelType channel_,
const Color &whiteColor_,
const Color &blackColor_,
const bool invert_ = false );
// Discards any pixels below the black point and above the white point and
// levels the remaining pixels.
void linearStretch ( const double blackPoint_,
const double whitePoint_ );
// Rescales image with seam carving.
void liquidRescale ( const Geometry &geometry_ );
// Magnify image by integral size
void magnify ( void );
// Remap image colors with closest color from reference image
void map ( const Image &mapImage_ ,
const bool dither_ = false );
// Floodfill designated area with replacement opacity value
void matteFloodfill ( const Color &target_ ,
const unsigned int opacity_,
const ::ssize_t x_, const ::ssize_t y_,
const PaintMethod method_ );
// Filter image by replacing each pixel component with the median
// color in a circular neighborhood
void medianFilter ( const double radius_ = 0.0 );
// Reduce image by integral size
void minify ( void );
// Modulate percent hue, saturation, and brightness of an image
void modulate ( const double brightness_,
const double saturation_,
const double hue_ );
// Motion blur image with specified blur factor
// The radius_ parameter specifies the radius of the Gaussian, in
// pixels, not counting the center pixel. The sigma_ parameter
// specifies the standard deviation of the Laplacian, in pixels.
// The angle_ parameter specifies the angle the object appears
// to be comming from (zero degrees is from the right).
void motionBlur ( const double radius_,
const double sigma_,
const double angle_ );
// Negate colors in image. Set grayscale to only negate grayscale
// values in image.
void negate ( const bool grayscale_ = false );
// Normalize image (increase contrast by normalizing the pixel
// values to span the full range of color values)
void normalize ( void );
// Oilpaint image (image looks like oil painting)
void oilPaint ( const double radius_ = 3.0 );
// Set or attenuate the opacity channel in the image. If the image
// pixels are opaque then they are set to the specified opacity
// value, otherwise they are blended with the supplied opacity
// value. The value of opacity_ ranges from 0 (completely opaque)
// to QuantumRange. The defines OpaqueOpacity and TransparentOpacity are
// available to specify completely opaque or completely
// transparent, respectively.
void opacity ( const unsigned int opacity_ );
// Change color of opaque pixel to specified pen color.
void opaque ( const Color &opaqueColor_,
const Color &penColor_ );
// Set each pixel whose value is less than epsilon to epsilon or
// -epsilon (whichever is closer) otherwise the pixel value remains
// unchanged.
void perceptible ( const double epsilon_ );
// Ping is similar to read except only enough of the image is read
// to determine the image columns, rows, and filesize. Access the
// columns(), rows(), and fileSize() attributes after invoking
// ping. The image data is not valid after calling ping.
void ping ( const std::string &imageSpec_ );
// Ping is similar to read except only enough of the image is read
// to determine the image columns, rows, and filesize. Access the
// columns(), rows(), and fileSize() attributes after invoking
// ping. The image data is not valid after calling ping.
void ping ( const Blob &blob_ );
// Simulates a Polaroid picture.
void polaroid ( const std::string &caption_,
const double angle_ );
// Reduces the image to a limited number of colors for a "poster" effect.
void posterize ( const size_t levels_,
const bool dither_ = false );
// Execute a named process module using an argc/argv syntax similar to
// that accepted by a C 'main' routine. An exception is thrown if the
// requested process module doesn't exist, fails to load, or fails during
// execution.
void process ( std::string name_,
const ::ssize_t argc_,
const char **argv_ );
// Quantize image (reduce number of colors)
void quantize ( const bool measureError_ = false );
void quantumOperator ( const ChannelType channel_,
const MagickEvaluateOperator operator_,
double rvalue_);
void quantumOperator ( const ::ssize_t x_,const ::ssize_t y_,
const size_t columns_,
const size_t rows_,
const ChannelType channel_,
const MagickEvaluateOperator operator_,
const double rvalue_);
// Raise image (lighten or darken the edges of an image to give a
// 3-D raised or lowered effect)
void raise ( const Geometry &geometry_ = raiseGeometryDefault,
const bool raisedFlag_ = false );
// Random threshold image.
//
// Changes the value of individual pixels based on the intensity
// of each pixel compared to a random threshold. The result is a
// low-contrast, two color image. The thresholds_ argument is a
// geometry containing LOWxHIGH thresholds. If the string
// contains 2x2, 3x3, or 4x4, then an ordered dither of order 2,
// 3, or 4 will be performed instead. If a channel_ argument is
// specified then only the specified channel is altered. This is
// a very fast alternative to 'quantize' based dithering.
void randomThreshold( const Geometry &thresholds_ );
void randomThresholdChannel( const Geometry &thresholds_,
const ChannelType channel_ );
// Read single image frame into current object
void read ( const std::string &imageSpec_ );
// Read single image frame of specified size into current object
void read ( const Geometry &size_,
const std::string &imageSpec_ );
// Read single image frame from in-memory BLOB
void read ( const Blob &blob_ );
// Read single image frame of specified size from in-memory BLOB
void read ( const Blob &blob_,
const Geometry &size_ );
// Read single image frame of specified size and depth from
// in-memory BLOB
void read ( const Blob &blob_,
const Geometry &size_,
const size_t depth_ );
// Read single image frame of specified size, depth, and format
// from in-memory BLOB
void read ( const Blob &blob_,
const Geometry &size_,
const size_t depth_,
const std::string &magick_ );
// Read single image frame of specified size, and format from
// in-memory BLOB
void read ( const Blob &blob_,
const Geometry &size_,
const std::string &magick_ );
// Read single image frame from an array of raw pixels, with
// specified storage type (ConstituteImage), e.g.
// image.read( 640, 480, "RGB", 0, pixels );
void read ( const size_t width_,
const size_t height_,
const std::string &map_,
const StorageType type_,
const void *pixels_ );
// Reduce noise in image using a noise peak elimination filter
void reduceNoise ( void );
void reduceNoise ( const double order_ );
// Resize image to specified size.
void resize ( const Geometry &geometry_ );
// Roll image (rolls image vertically and horizontally) by specified
// number of columnms and rows)
void roll ( const Geometry &roll_ );
void roll ( const size_t columns_,
const size_t rows_ );
// Rotate image counter-clockwise by specified number of degrees.
void rotate ( const double degrees_ );
// Resize image by using pixel sampling algorithm
void sample ( const Geometry &geometry_ );
// Resize image by using simple ratio algorithm
void scale ( const Geometry &geometry_ );
// Segment (coalesce similar image components) by analyzing the
// histograms of the color components and identifying units that
// are homogeneous with the fuzzy c-means technique. Also uses
// QuantizeColorSpace and Verbose image attributes
void segment ( const double clusterThreshold_ = 1.0,
const double smoothingThreshold_ = 1.5 );
// Shade image using distant light source
void shade ( const double azimuth_ = 30,
const double elevation_ = 30,
const bool colorShading_ = false );
// Simulate an image shadow
void shadow ( const double percent_opacity_ = 80.0,
const double sigma_ = 0.5,
const ssize_t x_ = 5,
const ssize_t y_ = 5 );
// Sharpen pixels in image
// The radius_ parameter specifies the radius of the Gaussian, in
// pixels, not counting the center pixel. The sigma_ parameter
// specifies the standard deviation of the Laplacian, in pixels.
void sharpen ( const double radius_ = 0.0,
const double sigma_ = 1.0 );
void sharpenChannel ( const ChannelType channel_,
const double radius_ = 0.0,
const double sigma_ = 1.0 );
// Shave pixels from image edges.
void shave ( const Geometry &geometry_ );
// Shear image (create parallelogram by sliding image by X or Y axis)
void shear ( const double xShearAngle_,
const double yShearAngle_ );
// adjust the image contrast with a non-linear sigmoidal contrast algorithm
void sigmoidalContrast ( const size_t sharpen_, const double contrast, const double midpoint = QuantumRange / 2.0 );
// Solarize image (similar to effect seen when exposing a
// photographic film to light during the development process)
void solarize ( const double factor_ = 50.0 );
// Splice the background color into the image.
void splice ( const Geometry &geometry_ );
// Spread pixels randomly within image by specified ammount
void spread ( const size_t amount_ = 3 );
// Sparse color image, given a set of coordinates, interpolates the colors
// found at those coordinates, across the whole image, using various
// methods.
void sparseColor ( const ChannelType channel,
const SparseColorMethod method,
const size_t number_arguments,
const double *arguments );
// Add a digital watermark to the image (based on second image)
void stegano ( const Image &watermark_ );
// Create an image which appears in stereo when viewed with
// red-blue glasses (Red image on left, blue on right)
void stereo ( const Image &rightImage_ );
// Strip strips an image of all profiles and comments.
void strip ( void );
// Swirl image (image pixels are rotated by degrees)
void swirl ( const double degrees_ );
// Channel a texture on image background
void texture ( const Image &texture_ );
// Threshold image
void threshold ( const double threshold_ );
// Transform image based on image and crop geometries
// Crop geometry is optional
void transform ( const Geometry &imageGeometry_ );
void transform ( const Geometry &imageGeometry_,
const Geometry &cropGeometry_ );
// Add matte image to image, setting pixels matching color to
// transparent
void transparent ( const Color &color_ );
// Add matte image to image, for all the pixels that lies in between
// the given two color
void transparentChroma ( const Color &colorLow_, const Color &colorHigh_);
// Trim edges that are the background color from the image
void trim ( void );
// Image representation type (also see type attribute)
// Available types:
// Bilevel Grayscale GrayscaleMatte
// Palette PaletteMatte TrueColor
// TrueColorMatte ColorSeparation ColorSeparationMatte
void type ( const ImageType type_ );
// Replace image with a sharpened version of the original image
// using the unsharp mask algorithm.
// radius_
// the radius of the Gaussian, in pixels, not counting the
// center pixel.
// sigma_
// the standard deviation of the Gaussian, in pixels.
// amount_
// the percentage of the difference between the original and
// the blur image that is added back into the original.
// threshold_
// the threshold in pixels needed to apply the diffence amount.
void unsharpmask ( const double radius_,
const double sigma_,
const double amount_,
const double threshold_ );
void unsharpmaskChannel ( const ChannelType channel_,
const double radius_,
const double sigma_,
const double amount_,
const double threshold_ );
// Map image pixels to a sine wave
void wave ( const double amplitude_ = 25.0,
const double wavelength_ = 150.0 );
// Forces all pixels below the threshold into black while leaving all
// pixels at or below the threshold unchanged.
void whiteThreshold ( const std::string &threshold_ );
void whiteThresholdChannel ( const ChannelType channel_,
const std::string &threshold_ );
// Write single image frame to a file
void write ( const std::string &imageSpec_ );
// Write single image frame to in-memory BLOB, with optional
// format and adjoin parameters.
void write ( Blob *blob_ );
void write ( Blob *blob_,
const std::string &magick_ );
void write ( Blob *blob_,
const std::string &magick_,
const size_t depth_ );
// Write single image frame to an array of pixels with storage
// type specified by user (DispatchImage), e.g.
// image.write( 0, 0, 640, 1, "RGB", 0, pixels );
void write ( const ::ssize_t x_,
const ::ssize_t y_,
const size_t columns_,
const size_t rows_,
const std::string& map_,
const StorageType type_,
void *pixels_ );
// Zoom image to specified size.
void zoom ( const Geometry &geometry_ );
//////////////////////////////////////////////////////////////////////
//
// Image Attributes and Options
//
//////////////////////////////////////////////////////////////////////
// Join images into a single multi-image file
void adjoin ( const bool flag_ );
bool adjoin ( void ) const;
// Anti-alias Postscript and TrueType fonts (default true)
void antiAlias( const bool flag_ );
bool antiAlias( void );
// Time in 1/100ths of a second which must expire before
// displaying the next image in an animated sequence.
void animationDelay ( const size_t delay_ );
size_t animationDelay ( void ) const;
// Number of iterations to loop an animation (e.g. Netscape loop
// extension) for.
void animationIterations ( const size_t iterations_ );
size_t animationIterations ( void ) const;
// Access/Update a named image attribute
void attribute ( const std::string name_,
const std::string value_ );
std::string attribute ( const std::string name_ );
// Image background color
void backgroundColor ( const Color &color_ );
Color backgroundColor ( void ) const;
// Name of texture image to tile onto the image background
void backgroundTexture (const std::string &backgroundTexture_ );
std::string backgroundTexture ( void ) const;
// Base image width (before transformations)
size_t baseColumns ( void ) const;
// Base image filename (before transformations)
std::string baseFilename ( void ) const;
// Base image height (before transformations)
size_t baseRows ( void ) const;
// Image border color
void borderColor ( const Color &color_ );
Color borderColor ( void ) const;
// Return smallest bounding box enclosing non-border pixels. The
// current fuzz value is used when discriminating between pixels.
// This is the crop bounding box used by crop(Geometry(0,0));
Geometry boundingBox ( void ) const;
// Text bounding-box base color (default none)
void boxColor ( const Color &boxColor_ );
Color boxColor ( void ) const;
// Pixel cache threshold in megabytes. Once this memory threshold
// is exceeded, all subsequent pixels cache operations are to/from
// disk. This setting is shared by all Image objects.
static void cacheThreshold ( const size_t threshold_ );
// Chromaticity blue primary point (e.g. x=0.15, y=0.06)
void chromaBluePrimary ( const double x_, const double y_ );
void chromaBluePrimary ( double *x_, double *y_ ) const;
// Chromaticity green primary point (e.g. x=0.3, y=0.6)
void chromaGreenPrimary ( const double x_, const double y_ );
void chromaGreenPrimary ( double *x_, double *y_ ) const;
// Chromaticity red primary point (e.g. x=0.64, y=0.33)
void chromaRedPrimary ( const double x_, const double y_ );
void chromaRedPrimary ( double *x_, double *y_ ) const;
// Chromaticity white point (e.g. x=0.3127, y=0.329)
void chromaWhitePoint ( const double x_, const double y_ );
void chromaWhitePoint ( double *x_, double *y_ ) const;
// Image class (DirectClass or PseudoClass)
// NOTE: setting a DirectClass image to PseudoClass will result in
// the loss of color information if the number of colors in the
// image is greater than the maximum palette size (either 256 or
// 65536 entries depending on the value of MAGICKCORE_QUANTUM_DEPTH when
// ImageMagick was built).
void classType ( const ClassType class_ );
ClassType classType ( void ) const;
// Associate a clip mask with the image. The clip mask must be the
// same dimensions as the image. Pass an invalid image to unset an
// existing clip mask.
void clipMask ( const Image & clipMask_ );
Image clipMask ( void ) const;
// Colors within this distance are considered equal
void colorFuzz ( const double fuzz_ );
double colorFuzz ( void ) const;
// Color at colormap position index_
void colorMap ( const size_t index_,
const Color &color_ );
Color colorMap ( const size_t index_ ) const;
// Colormap size (number of colormap entries)
void colorMapSize ( const size_t entries_ );
size_t colorMapSize ( void );
// Image Color Space
void colorSpace ( const ColorspaceType colorSpace_ );
ColorspaceType colorSpace ( void ) const;
void colorspaceType ( const ColorspaceType colorSpace_ );
ColorspaceType colorspaceType ( void ) const;
// Image width
size_t columns ( void ) const;
// Comment image (add comment string to image)
void comment ( const std::string &comment_ );
std::string comment ( void ) const;
// Composition operator to be used when composition is implicitly
// used (such as for image flattening).
void compose ( const CompositeOperator compose_ );
CompositeOperator compose ( void ) const;
// Compression type
void compressType ( const CompressionType compressType_ );
CompressionType compressType ( void ) const;
// Enable printing of debug messages from ImageMagick
void debug ( const bool flag_ );
bool debug ( void ) const;
// Tagged image format define (set/access coder-specific option) The
// magick_ option specifies the coder the define applies to. The key_
// option provides the key specific to that coder. The value_ option
// provides the value to set (if any). See the defineSet() method if the
// key must be removed entirely.
void defineValue ( const std::string &magick_,
const std::string &key_,
const std::string &value_ );
std::string defineValue ( const std::string &magick_,
const std::string &key_ ) const;
// Tagged image format define. Similar to the defineValue() method
// except that passing the flag_ value 'true' creates a value-less
// define with that format and key. Passing the flag_ value 'false'
// removes any existing matching definition. The method returns 'true'
// if a matching key exists, and 'false' if no matching key exists.
void defineSet ( const std::string &magick_,
const std::string &key_,
bool flag_ );
bool defineSet ( const std::string &magick_,
const std::string &key_ ) const;
// Vertical and horizontal resolution in pixels of the image
void density ( const Geometry &geomery_ );
Geometry density ( void ) const;
// Image depth (bits allocated to red/green/blue components)
void depth ( const size_t depth_ );
size_t depth ( void ) const;
// Tile names from within an image montage
std::string directory ( void ) const;
// Endianness (little like Intel or big like SPARC) for image
// formats which support endian-specific options.
void endian ( const EndianType endian_ );
EndianType endian ( void ) const;
// Exif profile (BLOB)
void exifProfile( const Blob& exifProfile_ );
Blob exifProfile( void ) const;
// Image file name
void fileName ( const std::string &fileName_ );
std::string fileName ( void ) const;
// Number of bytes of the image on disk
off_t fileSize ( void ) const;
// Color to use when filling drawn objects
void fillColor ( const Color &fillColor_ );
Color fillColor ( void ) const;
// Rule to use when filling drawn objects
void fillRule ( const FillRule &fillRule_ );
FillRule fillRule ( void ) const;
// Pattern to use while filling drawn objects.
void fillPattern ( const Image &fillPattern_ );
Image fillPattern ( void ) const;
// Filter to use when resizing image
void filterType ( const FilterTypes filterType_ );
FilterTypes filterType ( void ) const;
// Text rendering font
void font ( const std::string &font_ );
std::string font ( void ) const;
// Font point size
void fontPointsize ( const double pointSize_ );
double fontPointsize ( void ) const;
// Obtain font metrics for text string given current font,
// pointsize, and density settings.
void fontTypeMetrics( const std::string &text_,
TypeMetric *metrics );
// Long image format description
std::string format ( void ) const;
// Gamma level of the image
double gamma ( void ) const;
// Preferred size of the image when encoding
Geometry geometry ( void ) const;
// GIF disposal method
void gifDisposeMethod ( const size_t disposeMethod_ );
size_t gifDisposeMethod ( void ) const;
// ICC color profile (BLOB)
void iccColorProfile( const Blob &colorProfile_ );
Blob iccColorProfile( void ) const;
// Type of interlacing to use
void interlaceType ( const InterlaceType interlace_ );
InterlaceType interlaceType ( void ) const;
// IPTC profile (BLOB)
void iptcProfile( const Blob& iptcProfile_ );
Blob iptcProfile( void ) const;
// Does object contain valid image?
void isValid ( const bool isValid_ );
bool isValid ( void ) const;
// Image label
std::string label ( void ) const;
// Obtain image statistics. Statistics are normalized to the range
// of 0.0 to 1.0 and are output to the specified ImageStatistics
// structure.
typedef struct _ImageChannelStatistics
{
/* Minimum value observed */
double maximum;
/* Maximum value observed */
double minimum;
/* Average (mean) value observed */
double mean;
/* Standard deviation, sqrt(variance) */
double standard_deviation;
/* Variance */
double variance;
/* Kurtosis */
double kurtosis;
/* Skewness */
double skewness;
} ImageChannelStatistics;
typedef struct _ImageStatistics
{
ImageChannelStatistics red;
ImageChannelStatistics green;
ImageChannelStatistics blue;
ImageChannelStatistics opacity;
} ImageStatistics;
void statistics ( ImageStatistics *statistics ) const;
// Stroke width for drawing vector objects (default one)
// This method is now deprecated. Please use strokeWidth instead.
void lineWidth ( const double lineWidth_ );
double lineWidth ( void ) const;
// File type magick identifier (.e.g "GIF")
void magick ( const std::string &magick_ );
std::string magick ( void ) const;
// Image supports transparency (matte channel)
void matte ( const bool matteFlag_ );
bool matte ( void ) const;
// Transparent color
void matteColor ( const Color &matteColor_ );
Color matteColor ( void ) const;
// The mean error per pixel computed when an image is color reduced
double meanErrorPerPixel ( void ) const;
// Merge image layers
void mergeLayers ( const ImageLayerMethod layerType_ );
// Image modulus depth (minimum number of bits required to support
// red/green/blue components without loss of accuracy)
void modulusDepth ( const size_t modulusDepth_ );
size_t modulusDepth ( void ) const;
// Tile size and offset within an image montage
Geometry montageGeometry ( void ) const;
// Transform image to black and white
void monochrome ( const bool monochromeFlag_ );
bool monochrome ( void ) const;
// The normalized max error per pixel computed when an image is
// color reduced.
double normalizedMaxError ( void ) const;
// The normalized mean error per pixel computed when an image is
// color reduced.
double normalizedMeanError ( void ) const;
// Image orientation
void orientation ( const OrientationType orientation_ );
OrientationType orientation ( void ) const;
// Preferred size and location of an image canvas.
void page ( const Geometry &pageSize_ );
Geometry page ( void ) const;
// Pen color (deprecated, don't use any more)
void penColor ( const Color &penColor_ );
Color penColor ( void ) const;
// Pen texture image (deprecated, don't use any more)
void penTexture ( const Image &penTexture_ );
Image penTexture ( void ) const;
// Get/set pixel color at location x & y.
void pixelColor ( const ::ssize_t x_,
const ::ssize_t y_,
const Color &color_ );
Color pixelColor ( const ::ssize_t x_,
const ::ssize_t y_ ) const;
// Add or remove a named profile to/from the image. Remove the
// profile by passing an empty Blob (e.g. Blob()). Valid names are
// "*", "8BIM", "ICM", "IPTC", or a user/format-defined profile name.
void profile( const std::string name_,
const Blob &colorProfile_ );
// Retrieve a named profile from the image. Valid names are:
// "8BIM", "8BIMTEXT", "APP1", "APP1JPEG", "ICC", "ICM", & "IPTC"
// or an existing user/format-defined profile name.
Blob profile( const std::string name_ ) const;
// JPEG/MIFF/PNG compression level (default 75).
void quality ( const size_t quality_ );
size_t quality ( void ) const;
// Maximum number of colors to quantize to
void quantizeColors ( const size_t colors_ );
size_t quantizeColors ( void ) const;
// Colorspace to quantize in.
void quantizeColorSpace ( const ColorspaceType colorSpace_ );
ColorspaceType quantizeColorSpace ( void ) const;
// Dither image during quantization (default true).
void quantizeDither ( const bool ditherFlag_ );
bool quantizeDither ( void ) const;
// Quantization tree-depth
void quantizeTreeDepth ( const size_t treeDepth_ );
size_t quantizeTreeDepth ( void ) const;
// The type of rendering intent
void renderingIntent ( const RenderingIntent renderingIntent_ );
RenderingIntent renderingIntent ( void ) const;
// Units of image resolution
void resolutionUnits ( const ResolutionType resolutionUnits_ );
ResolutionType resolutionUnits ( void ) const;
// The number of pixel rows in the image
size_t rows ( void ) const;
// Image scene number
void scene ( const size_t scene_ );
size_t scene ( void ) const;
// Image signature. Set force_ to true in order to re-calculate
// the signature regardless of whether the image data has been
// modified.
std::string signature ( const bool force_ = false ) const;
// Width and height of a raw image
void size ( const Geometry &geometry_ );
Geometry size ( void ) const;
// enabled/disable stroke anti-aliasing
void strokeAntiAlias( const bool flag_ );
bool strokeAntiAlias( void ) const;
// Color to use when drawing object outlines
void strokeColor ( const Color &strokeColor_ );
Color strokeColor ( void ) const;
// Specify the pattern of dashes and gaps used to stroke
// paths. The strokeDashArray represents a zero-terminated array
// of numbers that specify the lengths of alternating dashes and
// gaps in pixels. If an odd number of values is provided, then
// the list of values is repeated to yield an even number of
// values. A typical strokeDashArray_ array might contain the
// members 5 3 2 0, where the zero value indicates the end of the
// pattern array.
void strokeDashArray ( const double* strokeDashArray_ );
const double* strokeDashArray ( void ) const;
// While drawing using a dash pattern, specify distance into the
// dash pattern to start the dash (default 0).
void strokeDashOffset ( const double strokeDashOffset_ );
double strokeDashOffset ( void ) const;
// Specify the shape to be used at the end of open subpaths when
// they are stroked. Values of LineCap are UndefinedCap, ButtCap,
// RoundCap, and SquareCap.
void strokeLineCap ( const LineCap lineCap_ );
LineCap strokeLineCap ( void ) const;
// Specify the shape to be used at the corners of paths (or other
// vector shapes) when they are stroked. Values of LineJoin are
// UndefinedJoin, MiterJoin, RoundJoin, and BevelJoin.
void strokeLineJoin ( const LineJoin lineJoin_ );
LineJoin strokeLineJoin ( void ) const;
// Specify miter limit. When two line segments meet at a sharp
// angle and miter joins have been specified for 'lineJoin', it is
// possible for the miter to extend far beyond the thickness of
// the line stroking the path. The miterLimit' imposes a limit on
// the ratio of the miter length to the 'lineWidth'. The default
// value of this parameter is 4.
void strokeMiterLimit ( const size_t miterLimit_ );
size_t strokeMiterLimit ( void ) const;
// Pattern image to use while stroking object outlines.
void strokePattern ( const Image &strokePattern_ );
Image strokePattern ( void ) const;
// Stroke width for drawing vector objects (default one)
void strokeWidth ( const double strokeWidth_ );
double strokeWidth ( void ) const;
// Subimage of an image sequence
void subImage ( const size_t subImage_ );
size_t subImage ( void ) const;
// Number of images relative to the base image
void subRange ( const size_t subRange_ );
size_t subRange ( void ) const;
// Annotation text encoding (e.g. "UTF-16")
void textEncoding ( const std::string &encoding_ );
std::string textEncoding ( void ) const;
// Tile name
void tileName ( const std::string &tileName_ );
std::string tileName ( void ) const;
// Number of colors in the image
size_t totalColors ( void );
// Origin of coordinate system to use when annotating with text or drawing
void transformOrigin ( const double x_,const double y_ );
// Rotation to use when annotating with text or drawing
void transformRotation ( const double angle_ );
// Reset transformation parameters to default
void transformReset ( void );
// Scale to use when annotating with text or drawing
void transformScale ( const double sx_, const double sy_ );
// Skew to use in X axis when annotating with text or drawing
void transformSkewX ( const double skewx_ );
// Skew to use in Y axis when annotating with text or drawing
void transformSkewY ( const double skewy_ );
// Image representation type (also see type operation)
// Available types:
// Bilevel Grayscale GrayscaleMatte
// Palette PaletteMatte TrueColor
// TrueColorMatte ColorSeparation ColorSeparationMatte
ImageType type ( void ) const;
// Print detailed information about the image
void verbose ( const bool verboseFlag_ );
bool verbose ( void ) const;
// FlashPix viewing parameters
void view ( const std::string &view_ );
std::string view ( void ) const;
// Virtual pixel method
void virtualPixelMethod ( const VirtualPixelMethod virtual_pixel_method_ );
VirtualPixelMethod virtualPixelMethod ( void ) const;
// X11 display to display to, obtain fonts from, or to capture
// image from
void x11Display ( const std::string &display_ );
std::string x11Display ( void ) const;
// x resolution of the image
double xResolution ( void ) const;
// y resolution of the image
double yResolution ( void ) const;
//////////////////////////////////////////////////////////////////////
//
// Low-level Pixel Access Routines
//
// Also see the Pixels class, which provides support for multiple
// cache views.
//
//////////////////////////////////////////////////////////////////////
// Transfers read-only pixels from the image to the pixel cache as
// defined by the specified region
const PixelPacket* getConstPixels ( const ::ssize_t x_, const ::ssize_t y_,
const size_t columns_,
const size_t rows_ ) const;
// Obtain mutable image pixel indexes (valid for PseudoClass images)
IndexPacket* getIndexes ( void );
// Obtain immutable image pixel indexes (valid for PseudoClass images)
const IndexPacket* getConstIndexes ( void ) const;
// Transfers pixels from the image to the pixel cache as defined
// by the specified region. Modified pixels may be subsequently
// transferred back to the image via syncPixels. This method is
// valid for DirectClass images.
PixelPacket* getPixels ( const ::ssize_t x_, const ::ssize_t y_,
const size_t columns_,
const size_t rows_ );
// Allocates a pixel cache region to store image pixels as defined
// by the region rectangle. This area is subsequently transferred
// from the pixel cache to the image via syncPixels.
PixelPacket* setPixels ( const ::ssize_t x_, const ::ssize_t y_,
const size_t columns_,
const size_t rows_ );
// Transfers the image cache pixels to the image.
void syncPixels ( void );
// Transfers one or more pixel components from a buffer or file
// into the image pixel cache of an image.
// Used to support image decoders.
void readPixels ( const QuantumType quantum_,
const unsigned char *source_ );
// Transfers one or more pixel components from the image pixel
// cache to a buffer or file.
// Used to support image encoders.
void writePixels ( const QuantumType quantum_,
unsigned char *destination_ );
//////////////////////////////////////////////////////////////////////
//
// No user-serviceable parts beyond this point
//
//////////////////////////////////////////////////////////////////////
// Construct with MagickCore::Image and default options
Image ( MagickCore::Image* image_ );
// Retrieve Image*
MagickCore::Image*& image( void );
const MagickCore::Image* constImage( void ) const;
// Retrieve Options*
Options* options( void );
const Options* constOptions( void ) const;
// Retrieve ImageInfo*
MagickCore::ImageInfo * imageInfo( void );
const MagickCore::ImageInfo * constImageInfo( void ) const;
// Retrieve QuantizeInfo*
MagickCore::QuantizeInfo * quantizeInfo( void );
const MagickCore::QuantizeInfo * constQuantizeInfo( void ) const;
// Replace current image (reference counted)
MagickCore::Image* replaceImage ( MagickCore::Image* replacement_ );
// Prepare to update image (copy if reference > 1)
void modifyImage ( void );
// Test for ImageMagick error and throw exception if error
void throwImageException( void ) const;
// Register image with image registry or obtain registration id
::ssize_t registerId( void );
// Unregister image from image registry
void unregisterId( void) ;
private:
ImageRef * _imgRef;
};
} // end of namespace Magick
//
// Inlines
//
//
// Image
//
// Reduce noise in image using a noise peak elimination filter
inline void Magick::Image::reduceNoise ( void )
{
reduceNoise( 3.0 );
}
// Stroke width for drawing vector objects (default one)
inline void Magick::Image::lineWidth ( const double lineWidth_ )
{
strokeWidth( lineWidth_ );
}
inline double Magick::Image::lineWidth ( void ) const
{
return strokeWidth( );
}
// Get image storage class
inline Magick::ClassType Magick::Image::classType ( void ) const
{
return static_cast<Magick::ClassType>(constImage()->storage_class);
}
// Get number of image columns
inline size_t Magick::Image::columns ( void ) const
{
return constImage()->columns;
}
// Get number of image rows
inline size_t Magick::Image::rows ( void ) const
{
return constImage()->rows;
}
#endif // Magick_Image_header