/usr/include/ImageMagick/Magick++/STL.h is in libmagick++-dev 8:6.7.7.10-6ubuntu3.13.
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2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 | // This may look like C code, but it is really -*- C++ -*-
//
// Copyright Bob Friesenhahn, 1999, 2000, 2001, 2002, 2003
//
// Definition and implementation of template functions for using
// Magick::Image with STL containers.
//
#ifndef Magick_STL_header
#define Magick_STL_header
#include "Magick++/Include.h"
#include <algorithm>
#include <functional>
#include <iterator>
#include <map>
#include <utility>
#include "Magick++/CoderInfo.h"
#include "Magick++/Drawable.h"
#include "Magick++/Exception.h"
#include "Magick++/Montage.h"
namespace Magick
{
//
// STL function object declarations/definitions
//
// Function objects provide the means to invoke an operation on one
// or more image objects in an STL-compatable container. The
// arguments to the function object constructor(s) are compatable
// with the arguments to the equivalent Image class method and
// provide the means to supply these options when the function
// object is invoked.
// For example, to read a GIF animation, set the color red to
// transparent for all frames, and write back out:
//
// list<image> images;
// readImages( &images, "animation.gif" );
// for_each( images.begin(), images.end(), transparentImage( "red" ) );
// writeImages( images.begin(), images.end(), "animation.gif" );
// Adaptive-blur image with specified blur factor
class MagickPPExport adaptiveBlurImage : public std::unary_function<Image&,void>
{
public:
adaptiveBlurImage( const double radius_ = 1, const double sigma_ = 0.5 );
void operator()( Image &image_ ) const;
private:
double _radius;
double _sigma;
};
// 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
class MagickPPExport adaptiveThresholdImage : public std::unary_function<Image&,void>
{
public:
adaptiveThresholdImage( const size_t width_,
const size_t height_,
const ::ssize_t offset_ = 0 );
void operator()( Image &image_ ) const;
private:
size_t _width;
size_t _height;
::ssize_t _offset;
};
// Add noise to image with specified noise type
class MagickPPExport addNoiseImage : public std::unary_function<Image&,void>
{
public:
addNoiseImage ( NoiseType noiseType_ );
void operator()( Image &image_ ) const;
private:
NoiseType _noiseType;
};
// Transform image by specified affine (or free transform) matrix.
class MagickPPExport affineTransformImage : public std::unary_function<Image&,void>
{
public:
affineTransformImage( const DrawableAffine &affine_ );
void operator()( Image &image_ ) const;
private:
DrawableAffine _affine;
};
// Annotate image (draw text on image)
class MagickPPExport annotateImage : public std::unary_function<Image&,void>
{
public:
// Annotate using specified text, and placement location
annotateImage ( const std::string &text_,
const Geometry &geometry_ );
// Annotate using specified text, bounding area, and placement
// gravity
annotateImage ( const std::string &text_,
const Geometry &geometry_,
const GravityType gravity_ );
// Annotate with text using specified text, bounding area,
// placement gravity, and rotation.
annotateImage ( const std::string &text_,
const Geometry &geometry_,
const GravityType gravity_,
const double degrees_ );
// Annotate with text (bounding area is entire image) and
// placement gravity.
annotateImage ( const std::string &text_,
const GravityType gravity_ );
void operator()( Image &image_ ) const;
private:
// Copy constructor and assignment are not supported
annotateImage(const annotateImage&);
annotateImage& operator=(const annotateImage&);
const std::string _text;
const Geometry _geometry;
const GravityType _gravity;
const double _degrees;
};
// Blur image with specified blur factor
class MagickPPExport blurImage : public std::unary_function<Image&,void>
{
public:
blurImage( const double radius_ = 1, const double sigma_ = 0.5 );
void operator()( Image &image_ ) const;
private:
double _radius;
double _sigma;
};
// Border image (add border to image)
class MagickPPExport borderImage : public std::unary_function<Image&,void>
{
public:
borderImage( const Geometry &geometry_ = borderGeometryDefault );
void operator()( Image &image_ ) const;
private:
Geometry _geometry;
};
// Extract channel from image
class MagickPPExport channelImage : public std::unary_function<Image&,void>
{
public:
channelImage( const ChannelType channel_ );
void operator()( Image &image_ ) const;
private:
ChannelType _channel;
};
// Charcoal effect image (looks like charcoal sketch)
class MagickPPExport charcoalImage : public std::unary_function<Image&,void>
{
public:
charcoalImage( const double radius_ = 1, const double sigma_ = 0.5 );
void operator()( Image &image_ ) const;
private:
double _radius;
double _sigma;
};
// Chop image (remove vertical or horizontal subregion of image)
class MagickPPExport chopImage : public std::unary_function<Image&,void>
{
public:
chopImage( const Geometry &geometry_ );
void operator()( Image &image_ ) const;
private:
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.
class MagickPPExport cdlImage : public std::unary_function<Image&,void>
{
public:
cdlImage( const std::string &cdl_ );
void operator()( Image &image_ ) const;
private:
std::string _cdl;
};
// Colorize image using pen color at specified percent opacity
class MagickPPExport colorizeImage : public std::unary_function<Image&,void>
{
public:
colorizeImage( const unsigned int opacityRed_,
const unsigned int opacityGreen_,
const unsigned int opacityBlue_,
const Color &penColor_ );
colorizeImage( const unsigned int opacity_,
const Color &penColor_ );
void operator()( Image &image_ ) const;
private:
unsigned int _opacityRed;
unsigned int _opacityGreen;
unsigned int _opacityBlue;
Color _penColor;
};
// Apply a color matrix to the image channels. The user supplied
// matrix may be of order 1 to 5 (1x1 through 5x5).
class MagickPPExport colorMatrixImage : public std::unary_function<Image&,void>
{
public:
colorMatrixImage( const size_t order_,
const double *color_matrix_ );
void operator()( Image &image_ ) const;
private:
size_t _order;
const double *_color_matrix;
};
// Convert the image colorspace representation
class MagickPPExport colorSpaceImage : public std::unary_function<Image&,void>
{
public:
colorSpaceImage( ColorspaceType colorSpace_ );
void operator()( Image &image_ ) const;
private:
ColorspaceType _colorSpace;
};
// Comment image (add comment string to image)
class MagickPPExport commentImage : public std::unary_function<Image&,void>
{
public:
commentImage( const std::string &comment_ );
void operator()( Image &image_ ) const;
private:
std::string _comment;
};
// Compose an image onto another at specified offset and using
// specified algorithm
class MagickPPExport compositeImage : public std::unary_function<Image&,void>
{
public:
compositeImage( const Image &compositeImage_,
::ssize_t xOffset_,
::ssize_t yOffset_,
CompositeOperator compose_ = InCompositeOp );
compositeImage( const Image &compositeImage_,
const Geometry &offset_,
CompositeOperator compose_ = InCompositeOp );
void operator()( Image &image_ ) const;
private:
Image _compositeImage;
::ssize_t _xOffset;
::ssize_t _yOffset;
CompositeOperator _compose;
};
// Contrast image (enhance intensity differences in image)
class MagickPPExport contrastImage : public std::unary_function<Image&,void>
{
public:
contrastImage( const size_t sharpen_ );
void operator()( Image &image_ ) const;
private:
size_t _sharpen;
};
// Crop image (subregion of original image)
class MagickPPExport cropImage : public std::unary_function<Image&,void>
{
public:
cropImage( const Geometry &geometry_ );
void operator()( Image &image_ ) const;
private:
Geometry _geometry;
};
// Cycle image colormap
class MagickPPExport cycleColormapImage : public std::unary_function<Image&,void>
{
public:
cycleColormapImage( const ::ssize_t amount_ );
void operator()( Image &image_ ) const;
private:
::ssize_t _amount;
};
// Despeckle image (reduce speckle noise)
class MagickPPExport despeckleImage : public std::unary_function<Image&,void>
{
public:
despeckleImage( void );
void operator()( Image &image_ ) const;
private:
};
// 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.
class MagickPPExport distortImage : public std::unary_function<Image&,void>
{
public:
distortImage( const Magick::DistortImageMethod method_,
const size_t number_arguments_,
const double *arguments_,
const bool bestfit_ );
distortImage( const Magick::DistortImageMethod method_,
const size_t number_arguments_,
const double *arguments_ );
void operator()( Image &image_ ) const;
private:
DistortImageMethod _method;
size_t _number_arguments;
const double *_arguments;
bool _bestfit;
};
// Draw on image
class MagickPPExport drawImage : public std::unary_function<Image&,void>
{
public:
// Draw on image using a single drawable
// Store in list to make implementation easier
drawImage( const Drawable &drawable_ );
// Draw on image using a drawable list
drawImage( const DrawableList &drawable_ );
void operator()( Image &image_ ) const;
private:
DrawableList _drawableList;
};
// Edge image (hilight edges in image)
class MagickPPExport edgeImage : public std::unary_function<Image&,void>
{
public:
edgeImage( const double radius_ = 0.0 );
void operator()( Image &image_ ) const;
private:
double _radius;
};
// Emboss image (hilight edges with 3D effect)
class MagickPPExport embossImage : public std::unary_function<Image&,void>
{
public:
embossImage( void );
embossImage( const double radius_, const double sigma_ );
void operator()( Image &image_ ) const;
private:
double _radius;
double _sigma;
};
// Enhance image (minimize noise)
class MagickPPExport enhanceImage : public std::unary_function<Image&,void>
{
public:
enhanceImage( void );
void operator()( Image &image_ ) const;
private:
};
// Equalize image (histogram equalization)
class MagickPPExport equalizeImage : public std::unary_function<Image&,void>
{
public:
equalizeImage( void );
void operator()( Image &image_ ) const;
private:
};
// Color to use when filling drawn objects
class MagickPPExport fillColorImage : public std::unary_function<Image&,void>
{
public:
fillColorImage( const Color &fillColor_ );
void operator()( Image &image_ ) const;
private:
Color _fillColor;
};
// Flip image (reflect each scanline in the vertical direction)
class MagickPPExport flipImage : public std::unary_function<Image&,void>
{
public:
flipImage( void );
void operator()( Image &image_ ) const;
private:
};
// Flood-fill image with color
class MagickPPExport floodFillColorImage : public std::unary_function<Image&,void>
{
public:
// 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.
floodFillColorImage( const ::ssize_t x_,
const ::ssize_t y_,
const Color &fillColor_ );
floodFillColorImage( 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.
floodFillColorImage( const ::ssize_t x_,
const ::ssize_t y_,
const Color &fillColor_,
const Color &borderColor_ );
floodFillColorImage( const Geometry &point_,
const Color &fillColor_,
const Color &borderColor_ );
void operator()( Image &image_ ) const;
private:
::ssize_t _x;
::ssize_t _y;
Color _fillColor;
Color _borderColor;
};
// Flood-fill image with texture
class MagickPPExport floodFillTextureImage : public std::unary_function<Image&,void>
{
public:
// 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.
floodFillTextureImage( const ::ssize_t x_,
const ::ssize_t y_,
const Image &texture_ );
floodFillTextureImage( 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.
floodFillTextureImage( const ::ssize_t x_,
const ::ssize_t y_,
const Image &texture_,
const Color &borderColor_ );
floodFillTextureImage( const Geometry &point_,
const Image &texture_,
const Color &borderColor_ );
void operator()( Image &image_ ) const;
private:
::ssize_t _x;
::ssize_t _y;
Image _texture;
Color _borderColor;
};
// Flop image (reflect each scanline in the horizontal direction)
class MagickPPExport flopImage : public std::unary_function<Image&,void>
{
public:
flopImage( void );
void operator()( Image &image_ ) const;
private:
};
// Frame image
class MagickPPExport frameImage : public std::unary_function<Image&,void>
{
public:
frameImage( const Geometry &geometry_ = frameGeometryDefault );
frameImage( const size_t width_, const size_t height_,
const ::ssize_t innerBevel_ = 6, const ::ssize_t outerBevel_ = 6 );
void operator()( Image &image_ ) const;
private:
size_t _width;
size_t _height;
::ssize_t _outerBevel;
::ssize_t _innerBevel;
};
// Gamma correct image
class MagickPPExport gammaImage : public std::unary_function<Image&,void>
{
public:
gammaImage( const double gamma_ );
gammaImage ( const double gammaRed_,
const double gammaGreen_,
const double gammaBlue_ );
void operator()( Image &image_ ) const;
private:
double _gammaRed;
double _gammaGreen;
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_'.
class MagickPPExport gaussianBlurImage : public std::unary_function<Image&,void>
{
public:
gaussianBlurImage( const double width_, const double sigma_ );
void operator()( Image &image_ ) const;
private:
double _width;
double _sigma;
};
// Apply a color lookup table (Hald CLUT) to the image.
class MagickPPExport haldClutImage : public std::unary_function<Image&,void>
{
public:
haldClutImage( const Image &haldClutImage_ );
void operator()( Image &image_ ) const;
private:
Image _haldClutImage;
};
// Implode image (special effect)
class MagickPPExport implodeImage : public std::unary_function<Image&,void>
{
public:
implodeImage( const double factor_ = 50 );
void operator()( Image &image_ ) const;
private:
double _factor;
};
// implements the inverse discrete Fourier transform (IFT) of the image
// either as a magnitude / phase or real / imaginary image pair.
class MagickPPExport inverseFourierTransformImage : public std::unary_function<Image&,void>
{
public:
inverseFourierTransformImage( const Image &phaseImage_ );
void operator()( Image &image_ ) const;
private:
Image _phaseImage;
};
// Set image validity. Valid images become empty (inValid) if
// argument is false.
class MagickPPExport isValidImage : public std::unary_function<Image&,void>
{
public:
isValidImage( const bool isValid_ );
void operator()( Image &image_ ) const;
private:
bool _isValid;
};
// Label image
class MagickPPExport labelImage : public std::unary_function<Image&,void>
{
public:
labelImage( const std::string &label_ );
void operator()( Image &image_ ) const;
private:
std::string _label;
};
// Level image
class MagickPPExport levelImage : public std::unary_function<Image&,void>
{
public:
levelImage( const double black_point,
const double white_point,
const double mid_point=1.0 );
void operator()( Image &image_ ) const;
private:
double _black_point;
double _white_point;
double _mid_point;
};
// Level image channel
class MagickPPExport levelChannelImage : public std::unary_function<Image&,void>
{
public:
levelChannelImage( const Magick::ChannelType channel,
const double black_point,
const double white_point,
const double mid_point=1.0 );
void operator()( Image &image_ ) const;
private:
Magick::ChannelType _channel;
double _black_point;
double _white_point;
double _mid_point;
};
// Magnify image by integral size
class MagickPPExport magnifyImage : public std::unary_function<Image&,void>
{
public:
magnifyImage( void );
void operator()( Image &image_ ) const;
private:
};
// Remap image colors with closest color from reference image
class MagickPPExport mapImage : public std::unary_function<Image&,void>
{
public:
mapImage( const Image &mapImage_ ,
const bool dither_ = false );
void operator()( Image &image_ ) const;
private:
Image _mapImage;
bool _dither;
};
// Floodfill designated area with a matte value
class MagickPPExport matteFloodfillImage : public std::unary_function<Image&,void>
{
public:
matteFloodfillImage( const Color &target_ ,
const unsigned int matte_,
const ::ssize_t x_, const ::ssize_t y_,
const PaintMethod method_ );
void operator()( Image &image_ ) const;
private:
Color _target;
unsigned int _matte;
::ssize_t _x;
::ssize_t _y;
PaintMethod _method;
};
// Filter image by replacing each pixel component with the median
// color in a circular neighborhood
class MagickPPExport medianFilterImage : public std::unary_function<Image&,void>
{
public:
medianFilterImage( const double radius_ = 0.0 );
void operator()( Image &image_ ) const;
private:
double _radius;
};
// Reduce image by integral size
class MagickPPExport minifyImage : public std::unary_function<Image&,void>
{
public:
minifyImage( void );
void operator()( Image &image_ ) const;
private:
};
// Modulate percent hue, saturation, and brightness of an image
class MagickPPExport modulateImage : public std::unary_function<Image&,void>
{
public:
modulateImage( const double brightness_,
const double saturation_,
const double hue_ );
void operator()( Image &image_ ) const;
private:
double _brightness;
double _saturation;
double _hue;
};
// Negate colors in image. Set grayscale to only negate grayscale
// values in image.
class MagickPPExport negateImage : public std::unary_function<Image&,void>
{
public:
negateImage( const bool grayscale_ = false );
void operator()( Image &image_ ) const;
private:
bool _grayscale;
};
// Normalize image (increase contrast by normalizing the pixel
// values to span the full range of color values)
class MagickPPExport normalizeImage : public std::unary_function<Image&,void>
{
public:
normalizeImage( void );
void operator()( Image &image_ ) const;
private:
};
// Oilpaint image (image looks like oil painting)
class MagickPPExport oilPaintImage : public std::unary_function<Image&,void>
{
public:
oilPaintImage( const double radius_ = 3 );
void operator()( Image &image_ ) const;
private:
double _radius;
};
// Set or attenuate the image opacity channel. 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.
class MagickPPExport opacityImage : public std::unary_function<Image&,void>
{
public:
opacityImage( const unsigned int opacity_ );
void operator()( Image &image_ ) const;
private:
unsigned int _opacity;
};
// Change color of opaque pixel to specified pen color.
class MagickPPExport opaqueImage : public std::unary_function<Image&,void>
{
public:
opaqueImage( const Color &opaqueColor_,
const Color &penColor_ );
void operator()( Image &image_ ) const;
private:
Color _opaqueColor;
Color _penColor;
};
// Quantize image (reduce number of colors)
class MagickPPExport quantizeImage : public std::unary_function<Image&,void>
{
public:
quantizeImage( const bool measureError_ = false );
void operator()( Image &image_ ) const;
private:
bool _measureError;
};
// Raise image (lighten or darken the edges of an image to give a
// 3-D raised or lowered effect)
class MagickPPExport raiseImage : public std::unary_function<Image&,void>
{
public:
raiseImage( const Geometry &geometry_ = raiseGeometryDefault,
const bool raisedFlag_ = false );
void operator()( Image &image_ ) const;
private:
Geometry _geometry;
bool _raisedFlag;
};
// Reduce noise in image using a noise peak elimination filter
class MagickPPExport reduceNoiseImage : public std::unary_function<Image&,void>
{
public:
reduceNoiseImage( void );
reduceNoiseImage (const size_t order_ );
void operator()( Image &image_ ) const;
private:
size_t _order;
};
// Resize image to specified size.
class MagickPPExport resizeImage : public std::unary_function<Image&,void>
{
public:
resizeImage( const Geometry &geometry_ );
void operator()( Image &image_ ) const;
private:
Geometry _geometry;
};
// Roll image (rolls image vertically and horizontally) by specified
// number of columnms and rows)
class MagickPPExport rollImage : public std::unary_function<Image&,void>
{
public:
rollImage( const Geometry &roll_ );
rollImage( const ::ssize_t columns_, const ::ssize_t rows_ );
void operator()( Image &image_ ) const;
private:
size_t _columns;
size_t _rows;
};
// Rotate image counter-clockwise by specified number of degrees.
class MagickPPExport rotateImage : public std::unary_function<Image&,void>
{
public:
rotateImage( const double degrees_ );
void operator()( Image &image_ ) const;
private:
double _degrees;
};
// Resize image by using pixel sampling algorithm
class MagickPPExport sampleImage : public std::unary_function<Image&,void>
{
public:
sampleImage( const Geometry &geometry_ );
void operator()( Image &image_ ) const;
private:
Geometry _geometry;
};
// Resize image by using simple ratio algorithm
class MagickPPExport scaleImage : public std::unary_function<Image&,void>
{
public:
scaleImage( const Geometry &geometry_ );
void operator()( Image &image_ ) const;
private:
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
class MagickPPExport segmentImage : public std::unary_function<Image&,void>
{
public:
segmentImage( const double clusterThreshold_ = 1.0,
const double smoothingThreshold_ = 1.5 );
void operator()( Image &image_ ) const;
private:
double _clusterThreshold;
double _smoothingThreshold;
};
// Shade image using distant light source
class MagickPPExport shadeImage : public std::unary_function<Image&,void>
{
public:
shadeImage( const double azimuth_ = 30,
const double elevation_ = 30,
const bool colorShading_ = false );
void operator()( Image &image_ ) const;
private:
double _azimuth;
double _elevation;
bool _colorShading;
};
// Shadow effect image (simulate an image shadow)
class MagickPPExport shadowImage : public std::unary_function<Image&,void>
{
public:
shadowImage( const double percent_opacity_ = 80, const double sigma_ = 0.5,
const ssize_t x_ = 5, const ssize_t y_ = 5 );
void operator()( Image &image_ ) const;
private:
double _percent_opacity;
double _sigma;
ssize_t _x;
ssize_t _y;
};
// Sharpen pixels in image
class MagickPPExport sharpenImage : public std::unary_function<Image&,void>
{
public:
sharpenImage( const double radius_ = 1, const double sigma_ = 0.5 );
void operator()( Image &image_ ) const;
private:
double _radius;
double _sigma;
};
// Shave pixels from image edges.
class MagickPPExport shaveImage : public std::unary_function<Image&,void>
{
public:
shaveImage( const Geometry &geometry_ );
void operator()( Image &image_ ) const;
private:
Geometry _geometry;
};
// Shear image (create parallelogram by sliding image by X or Y axis)
class MagickPPExport shearImage : public std::unary_function<Image&,void>
{
public:
shearImage( const double xShearAngle_,
const double yShearAngle_ );
void operator()( Image &image_ ) const;
private:
double _xShearAngle;
double _yShearAngle;
};
// Solarize image (similar to effect seen when exposing a
// photographic film to light during the development process)
class MagickPPExport solarizeImage : public std::unary_function<Image&,void>
{
public:
solarizeImage( const double factor_ );
void operator()( Image &image_ ) const;
private:
double _factor;
};
// Splice the background color into the image.
class MagickPPExport spliceImage : public std::unary_function<Image&,void>
{
public:
spliceImage( const Geometry &geometry_ );
void operator()( Image &image_ ) const;
private:
Geometry _geometry;
};
// Spread pixels randomly within image by specified ammount
class MagickPPExport spreadImage : public std::unary_function<Image&,void>
{
public:
spreadImage( const size_t amount_ = 3 );
void operator()( Image &image_ ) const;
private:
size_t _amount;
};
// Add a digital watermark to the image (based on second image)
class MagickPPExport steganoImage : public std::unary_function<Image&,void>
{
public:
steganoImage( const Image &waterMark_ );
void operator()( Image &image_ ) const;
private:
Image _waterMark;
};
// Create an image which appears in stereo when viewed with red-blue glasses
// (Red image on left, blue on right)
class MagickPPExport stereoImage : public std::unary_function<Image&,void>
{
public:
stereoImage( const Image &rightImage_ );
void operator()( Image &image_ ) const;
private:
Image _rightImage;
};
// Color to use when drawing object outlines
class MagickPPExport strokeColorImage : public std::unary_function<Image&,void>
{
public:
strokeColorImage( const Color &strokeColor_ );
void operator()( Image &image_ ) const;
private:
Color _strokeColor;
};
// Swirl image (image pixels are rotated by degrees)
class MagickPPExport swirlImage : public std::unary_function<Image&,void>
{
public:
swirlImage( const double degrees_ );
void operator()( Image &image_ ) const;
private:
double _degrees;
};
// Channel a texture on image background
class MagickPPExport textureImage : public std::unary_function<Image&,void>
{
public:
textureImage( const Image &texture_ );
void operator()( Image &image_ ) const;
private:
Image _texture;
};
// Threshold image
class MagickPPExport thresholdImage : public std::unary_function<Image&,void>
{
public:
thresholdImage( const double threshold_ );
void operator()( Image &image_ ) const;
private:
double _threshold;
};
// Transform image based on image and crop geometries
class MagickPPExport transformImage : public std::unary_function<Image&,void>
{
public:
transformImage( const Geometry &imageGeometry_ );
transformImage( const Geometry &imageGeometry_,
const Geometry &cropGeometry_ );
void operator()( Image &image_ ) const;
private:
Geometry _imageGeometry;
Geometry _cropGeometry;
};
// Set image color to transparent
class MagickPPExport transparentImage : public std::unary_function<Image&,void>
{
public:
transparentImage( const Color& color_ );
void operator()( Image &image_ ) const;
private:
Color _color;
};
// Trim edges that are the background color from the image
class MagickPPExport trimImage : public std::unary_function<Image&,void>
{
public:
trimImage( void );
void operator()( Image &image_ ) const;
private:
};
// Map image pixels to a sine wave
class MagickPPExport waveImage : public std::unary_function<Image&,void>
{
public:
waveImage( const double amplitude_ = 25.0,
const double wavelength_ = 150.0 );
void operator()( Image &image_ ) const;
private:
double _amplitude;
double _wavelength;
};
// Zoom image to specified size.
class MagickPPExport zoomImage : public std::unary_function<Image&,void>
{
public:
zoomImage( const Geometry &geometry_ );
void operator()( Image &image_ ) const;
private:
Geometry _geometry;
};
//
// Function object image attribute accessors
//
// Anti-alias Postscript and TrueType fonts (default true)
class MagickPPExport antiAliasImage : public std::unary_function<Image&,void>
{
public:
antiAliasImage( const bool flag_ );
void operator()( Image &image_ ) const;
private:
bool _flag;
};
// Join images into a single multi-image file
class MagickPPExport adjoinImage : public std::unary_function<Image&,void>
{
public:
adjoinImage( const bool flag_ );
void operator()( Image &image_ ) const;
private:
bool _flag;
};
// Time in 1/100ths of a second which must expire before displaying
// the next image in an animated sequence.
class MagickPPExport animationDelayImage : public std::unary_function<Image&,void>
{
public:
animationDelayImage( const size_t delay_ );
void operator()( Image &image_ ) const;
private:
size_t _delay;
};
// Number of iterations to loop an animation (e.g. Netscape loop
// extension) for.
class MagickPPExport animationIterationsImage : public std::unary_function<Image&,void>
{
public:
animationIterationsImage( const size_t iterations_ );
void operator()( Image &image_ ) const;
private:
size_t _iterations;
};
// Image background color
class MagickPPExport backgroundColorImage : public std::unary_function<Image&,void>
{
public:
backgroundColorImage( const Color &color_ );
void operator()( Image &image_ ) const;
private:
Color _color;
};
// Name of texture image to tile onto the image background
class MagickPPExport backgroundTextureImage : public std::unary_function<Image&,void>
{
public:
backgroundTextureImage( const std::string &backgroundTexture_ );
void operator()( Image &image_ ) const;
private:
std::string _backgroundTexture;
};
// Image border color
class MagickPPExport borderColorImage : public std::unary_function<Image&,void>
{
public:
borderColorImage( const Color &color_ );
void operator()( Image &image_ ) const;
private:
Color _color;
};
// Text bounding-box base color (default none)
class MagickPPExport boxColorImage : public std::unary_function<Image&,void>
{
public:
boxColorImage( const Color &boxColor_ );
void operator()( Image &image_ ) const;
private:
Color _boxColor;
};
// Chromaticity blue primary point (e.g. x=0.15, y=0.06)
class MagickPPExport chromaBluePrimaryImage : public std::unary_function<Image&,void>
{
public:
chromaBluePrimaryImage( const double x_, const double y_ );
void operator()( Image &image_ ) const;
private:
double _x;
double _y;
};
// Chromaticity green primary point (e.g. x=0.3, y=0.6)
class MagickPPExport chromaGreenPrimaryImage : public std::unary_function<Image&,void>
{
public:
chromaGreenPrimaryImage( const double x_, const double y_ );
void operator()( Image &image_ ) const;
private:
double _x;
double _y;
};
// Chromaticity red primary point (e.g. x=0.64, y=0.33)
class MagickPPExport chromaRedPrimaryImage : public std::unary_function<Image&,void>
{
public:
chromaRedPrimaryImage( const double x_, const double y_ );
void operator()( Image &image_ ) const;
private:
double _x;
double _y;
};
// Chromaticity white point (e.g. x=0.3127, y=0.329)
class MagickPPExport chromaWhitePointImage : public std::unary_function<Image&,void>
{
public:
chromaWhitePointImage( const double x_, const double y_ );
void operator()( Image &image_ ) const;
private:
double _x;
double _y;
};
// Colors within this distance are considered equal
class MagickPPExport colorFuzzImage : public std::unary_function<Image&,void>
{
public:
colorFuzzImage( const double fuzz_ );
void operator()( Image &image_ ) const;
private:
double _fuzz;
};
// Color at colormap position index_
class MagickPPExport colorMapImage : public std::unary_function<Image&,void>
{
public:
colorMapImage( const size_t index_, const Color &color_ );
void operator()( Image &image_ ) const;
private:
size_t _index;
Color _color;
};
// Composition operator to be used when composition is implicitly used
// (such as for image flattening).
class MagickPPExport composeImage : public std::unary_function<Image&,void>
{
public:
composeImage( const CompositeOperator compose_ );
void operator()( Image &image_ ) const;
private:
CompositeOperator _compose;
};
// Compression type
class MagickPPExport compressTypeImage : public std::unary_function<Image&,void>
{
public:
compressTypeImage( const CompressionType compressType_ );
void operator()( Image &image_ ) const;
private:
CompressionType _compressType;
};
// Vertical and horizontal resolution in pixels of the image
class MagickPPExport densityImage : public std::unary_function<Image&,void>
{
public:
densityImage( const Geometry &geomery_ );
void operator()( Image &image_ ) const;
private:
Geometry _geomery;
};
// Image depth (bits allocated to red/green/blue components)
class MagickPPExport depthImage : public std::unary_function<Image&,void>
{
public:
depthImage( const size_t depth_ );
void operator()( Image &image_ ) const;
private:
size_t _depth;
};
// Endianness (LSBEndian like Intel or MSBEndian like SPARC) for image
// formats which support endian-specific options.
class MagickPPExport endianImage : public std::unary_function<Image&,void>
{
public:
endianImage( const EndianType endian_ );
void operator()( Image &image_ ) const;
private:
EndianType _endian;
};
// Image file name
class MagickPPExport fileNameImage : public std::unary_function<Image&,void>
{
public:
fileNameImage( const std::string &fileName_ );
void operator()( Image &image_ ) const;
private:
std::string _fileName;
};
// Filter to use when resizing image
class MagickPPExport filterTypeImage : public std::unary_function<Image&,void>
{
public:
filterTypeImage( const FilterTypes filterType_ );
void operator()( Image &image_ ) const;
private:
FilterTypes _filterType;
};
// Text rendering font
class MagickPPExport fontImage : public std::unary_function<Image&,void>
{
public:
fontImage( const std::string &font_ );
void operator()( Image &image_ ) const;
private:
std::string _font;
};
// Font point size
class MagickPPExport fontPointsizeImage : public std::unary_function<Image&,void>
{
public:
fontPointsizeImage( const size_t pointsize_ );
void operator()( Image &image_ ) const;
private:
size_t _pointsize;
};
// GIF disposal method
class MagickPPExport gifDisposeMethodImage : public std::unary_function<Image&,void>
{
public:
gifDisposeMethodImage( const size_t disposeMethod_ );
void operator()( Image &image_ ) const;
private:
size_t _disposeMethod;
};
// Type of interlacing to use
class MagickPPExport interlaceTypeImage : public std::unary_function<Image&,void>
{
public:
interlaceTypeImage( const InterlaceType interlace_ );
void operator()( Image &image_ ) const;
private:
InterlaceType _interlace;
};
// Linewidth for drawing vector objects (default one)
class MagickPPExport lineWidthImage : public std::unary_function<Image&,void>
{
public:
lineWidthImage( const double lineWidth_ );
void operator()( Image &image_ ) const;
private:
double _lineWidth;
};
// File type magick identifier (.e.g "GIF")
class MagickPPExport magickImage : public std::unary_function<Image&,void>
{
public:
magickImage( const std::string &magick_ );
void operator()( Image &image_ ) const;
private:
std::string _magick;
};
// Image supports transparent color
class MagickPPExport matteImage : public std::unary_function<Image&,void>
{
public:
matteImage( const bool matteFlag_ );
void operator()( Image &image_ ) const;
private:
bool _matteFlag;
};
// Transparent color
class MagickPPExport matteColorImage : public std::unary_function<Image&,void>
{
public:
matteColorImage( const Color &matteColor_ );
void operator()( Image &image_ ) const;
private:
Color _matteColor;
};
// Indicate that image is black and white
class MagickPPExport monochromeImage : public std::unary_function<Image&,void>
{
public:
monochromeImage( const bool monochromeFlag_ );
void operator()( Image &image_ ) const;
private:
bool _monochromeFlag;
};
// Pen color
class MagickPPExport penColorImage : public std::unary_function<Image&,void>
{
public:
penColorImage( const Color &penColor_ );
void operator()( Image &image_ ) const;
private:
Color _penColor;
};
// Pen texture image.
class MagickPPExport penTextureImage : public std::unary_function<Image&,void>
{
public:
penTextureImage( const Image &penTexture_ );
void operator()( Image &image_ ) const;
private:
Image _penTexture;
};
// Set pixel color at location x & y.
class MagickPPExport pixelColorImage : public std::unary_function<Image&,void>
{
public:
pixelColorImage( const ::ssize_t x_,
const ::ssize_t y_,
const Color &color_);
void operator()( Image &image_ ) const;
private:
::ssize_t _x;
::ssize_t _y;
Color _color;
};
// Postscript page size.
class MagickPPExport pageImage : public std::unary_function<Image&,void>
{
public:
pageImage( const Geometry &pageSize_ );
void operator()( Image &image_ ) const;
private:
Geometry _pageSize;
};
// JPEG/MIFF/PNG compression level (default 75).
class MagickPPExport qualityImage : public std::unary_function<Image&,void>
{
public:
qualityImage( const size_t quality_ );
void operator()( Image &image_ ) const;
private:
size_t _quality;
};
// Maximum number of colors to quantize to
class MagickPPExport quantizeColorsImage : public std::unary_function<Image&,void>
{
public:
quantizeColorsImage( const size_t colors_ );
void operator()( Image &image_ ) const;
private:
size_t _colors;
};
// Colorspace to quantize in.
class MagickPPExport quantizeColorSpaceImage : public std::unary_function<Image&,void>
{
public:
quantizeColorSpaceImage( const ColorspaceType colorSpace_ );
void operator()( Image &image_ ) const;
private:
ColorspaceType _colorSpace;
};
// Dither image during quantization (default true).
class MagickPPExport quantizeDitherImage : public std::unary_function<Image&,void>
{
public:
quantizeDitherImage( const bool ditherFlag_ );
void operator()( Image &image_ ) const;
private:
bool _ditherFlag;
};
// Quantization tree-depth
class MagickPPExport quantizeTreeDepthImage : public std::unary_function<Image&,void>
{
public:
quantizeTreeDepthImage( const size_t treeDepth_ );
void operator()( Image &image_ ) const;
private:
size_t _treeDepth;
};
// The type of rendering intent
class MagickPPExport renderingIntentImage : public std::unary_function<Image&,void>
{
public:
renderingIntentImage( const RenderingIntent renderingIntent_ );
void operator()( Image &image_ ) const;
private:
RenderingIntent _renderingIntent;
};
// Units of image resolution
class MagickPPExport resolutionUnitsImage : public std::unary_function<Image&,void>
{
public:
resolutionUnitsImage( const ResolutionType resolutionUnits_ );
void operator()( Image &image_ ) const;
private:
ResolutionType _resolutionUnits;
};
// Image scene number
class MagickPPExport sceneImage : public std::unary_function<Image&,void>
{
public:
sceneImage( const size_t scene_ );
void operator()( Image &image_ ) const;
private:
size_t _scene;
};
// adjust the image contrast with a non-linear sigmoidal contrast algorithm
class MagickPPExport sigmoidalContrastImage : public std::unary_function<Image&,void>
{
public:
sigmoidalContrastImage( const size_t sharpen_,
const double contrast,
const double midpoint = QuantumRange / 2.0 );
void operator()( Image &image_ ) const;
private:
size_t _sharpen;
double contrast;
double midpoint;
};
// Width and height of a raw image
class MagickPPExport sizeImage : public std::unary_function<Image&,void>
{
public:
sizeImage( const Geometry &geometry_ );
void operator()( Image &image_ ) const;
private:
Geometry _geometry;
};
// stripImage strips an image of all profiles and comments.
class MagickPPExport stripImage : public std::unary_function<Image&,void>
{
public:
stripImage( void );
void operator()( Image &image_ ) const;
private:
};
// Subimage of an image sequence
class MagickPPExport subImageImage : public std::unary_function<Image&,void>
{
public:
subImageImage( const size_t subImage_ );
void operator()( Image &image_ ) const;
private:
size_t _subImage;
};
// Number of images relative to the base image
class MagickPPExport subRangeImage : public std::unary_function<Image&,void>
{
public:
subRangeImage( const size_t subRange_ );
void operator()( Image &image_ ) const;
private:
size_t _subRange;
};
// Tile name
class MagickPPExport tileNameImage : public std::unary_function<Image&,void>
{
public:
tileNameImage( const std::string &tileName_ );
void operator()( Image &image_ ) const;
private:
std::string _tileName;
};
// Image storage type
class MagickPPExport typeImage : public std::unary_function<Image&,void>
{
public:
typeImage( const ImageType type_ );
void operator()( Image &image_ ) const;
private:
Magick::ImageType _type;
};
// Print detailed information about the image
class MagickPPExport verboseImage : public std::unary_function<Image&,void>
{
public:
verboseImage( const bool verbose_ );
void operator()( Image &image_ ) const;
private:
bool _verbose;
};
// FlashPix viewing parameters
class MagickPPExport viewImage : public std::unary_function<Image&,void>
{
public:
viewImage( const std::string &view_ );
void operator()( Image &image_ ) const;
private:
std::string _view;
};
// X11 display to display to, obtain fonts from, or to capture
// image from
class MagickPPExport x11DisplayImage : public std::unary_function<Image&,void>
{
public:
x11DisplayImage( const std::string &display_ );
void operator()( Image &image_ ) const;
private:
std::string _display;
};
//////////////////////////////////////////////////////////
//
// Implementation template definitions. Not for end-use.
//
//////////////////////////////////////////////////////////
// Link images together into an image list based on the ordering of
// the container implied by the iterator. This step is done in
// preparation for use with ImageMagick functions which operate on
// lists of images.
// Images are selected by range, first_ to last_ so that a subset of
// the container may be selected. Specify first_ via the
// container's begin() method and last_ via the container's end()
// method in order to specify the entire container.
template <class InputIterator>
void linkImages( InputIterator first_,
InputIterator last_ ) {
MagickCore::Image* previous = 0;
::ssize_t scene = 0;
for ( InputIterator iter = first_; iter != last_; ++iter )
{
// Unless we reduce the reference count to one, the same image
// structure may occur more than once in the container, causing
// the linked list to fail.
iter->modifyImage();
MagickCore::Image* current = iter->image();
current->previous = previous;
current->next = 0;
if ( previous != 0)
previous->next = current;
current->scene=scene;
++scene;
previous = current;
}
}
// Remove links added by linkImages. This should be called after the
// ImageMagick function call has completed to reset the image list
// back to its pristine un-linked state.
template <class InputIterator>
void unlinkImages( InputIterator first_,
InputIterator last_ ) {
for( InputIterator iter = first_; iter != last_; ++iter )
{
MagickCore::Image* image = iter->image();
image->previous = 0;
image->next = 0;
}
}
// Insert images in image list into existing container (appending to container)
// The images should not be deleted since only the image ownership is passed.
// The options are copied into the object.
template <class Container>
void insertImages( Container *sequence_,
MagickCore::Image* images_ ) {
MagickCore::Image *image = images_;
if ( image )
{
do
{
MagickCore::Image* next_image = image->next;
image->next = 0;
if (next_image != 0)
next_image->previous=0;
sequence_->push_back( Magick::Image( image ) );
image=next_image;
} while( image );
return;
}
}
///////////////////////////////////////////////////////////////////
//
// Template definitions for documented API
//
///////////////////////////////////////////////////////////////////
template <class InputIterator>
void animateImages( InputIterator first_,
InputIterator last_ ) {
MagickCore::ExceptionInfo exceptionInfo;
MagickCore::GetExceptionInfo( &exceptionInfo );
linkImages( first_, last_ );
MagickCore::AnimateImages( first_->imageInfo(), first_->image() );
MagickCore::GetImageException( first_->image(), &exceptionInfo );
unlinkImages( first_, last_ );
throwException( exceptionInfo );
(void) MagickCore::DestroyExceptionInfo( &exceptionInfo );
}
// Append images from list into single image in either horizontal or
// vertical direction.
template <class InputIterator>
void appendImages( Image *appendedImage_,
InputIterator first_,
InputIterator last_,
bool stack_ = false) {
MagickCore::ExceptionInfo exceptionInfo;
MagickCore::GetExceptionInfo( &exceptionInfo );
linkImages( first_, last_ );
MagickCore::Image* image = MagickCore::AppendImages( first_->image(),
(MagickBooleanType) stack_,
&exceptionInfo );
unlinkImages( first_, last_ );
appendedImage_->replaceImage( image );
throwException( exceptionInfo );
(void) MagickCore::DestroyExceptionInfo( &exceptionInfo );
}
// Average a set of images.
// All the input images must be the same size in pixels.
template <class InputIterator>
void averageImages( Image *averagedImage_,
InputIterator first_,
InputIterator last_ ) {
MagickCore::ExceptionInfo exceptionInfo;
MagickCore::GetExceptionInfo( &exceptionInfo );
linkImages( first_, last_ );
MagickCore::Image* image = MagickCore::EvaluateImages( first_->image(),
MagickCore::MeanEvaluateOperator, &exceptionInfo );
unlinkImages( first_, last_ );
averagedImage_->replaceImage( image );
throwException( exceptionInfo );
(void) MagickCore::DestroyExceptionInfo( &exceptionInfo );
}
// Merge a sequence of images.
// This is useful for GIF animation sequences that have page
// offsets and disposal methods. A container to contain
// the updated image sequence is passed via the coalescedImages_
// option.
template <class InputIterator, class Container >
void coalesceImages( Container *coalescedImages_,
InputIterator first_,
InputIterator last_ ) {
MagickCore::ExceptionInfo exceptionInfo;
MagickCore::GetExceptionInfo( &exceptionInfo );
// Build image list
linkImages( first_, last_ );
MagickCore::Image* images = MagickCore::CoalesceImages( first_->image(),
&exceptionInfo);
// Unlink image list
unlinkImages( first_, last_ );
// Ensure container is empty
coalescedImages_->clear();
// Move images to container
insertImages( coalescedImages_, images );
// Report any error
throwException( exceptionInfo );
(void) MagickCore::DestroyExceptionInfo( &exceptionInfo );
}
// Return format coders matching specified conditions.
//
// The default (if no match terms are supplied) is to return all
// available format coders.
//
// For example, to return all readable formats:
// list<CoderInfo> coderList;
// coderInfoList( &coderList, CoderInfo::TrueMatch, CoderInfo::AnyMatch, CoderInfo::AnyMatch)
//
template <class Container >
void coderInfoList( Container *container_,
CoderInfo::MatchType isReadable_ = CoderInfo::AnyMatch,
CoderInfo::MatchType isWritable_ = CoderInfo::AnyMatch,
CoderInfo::MatchType isMultiFrame_ = CoderInfo::AnyMatch
) {
// Obtain first entry in MagickInfo list
size_t number_formats;
MagickCore::ExceptionInfo exceptionInfo;
MagickCore::GetExceptionInfo( &exceptionInfo );
char **coder_list =
MagickCore::GetMagickList( "*", &number_formats, &exceptionInfo );
if( !coder_list )
{
throwException( exceptionInfo );
throwExceptionExplicit(MagickCore::MissingDelegateError,
"Coder array not returned!", 0 );
}
// Clear out container
container_->clear();
for ( ::ssize_t i=0; i < (::ssize_t) number_formats; i++)
{
const MagickCore::MagickInfo *magick_info =
MagickCore::GetMagickInfo( coder_list[i], &exceptionInfo );
coder_list[i]=(char *)
MagickCore::RelinquishMagickMemory( coder_list[i] );
// Skip stealth coders
if ( magick_info->stealth )
continue;
try {
CoderInfo coderInfo( magick_info->name );
// Test isReadable_
if ( isReadable_ != CoderInfo::AnyMatch &&
(( coderInfo.isReadable() && isReadable_ != CoderInfo::TrueMatch ) ||
( !coderInfo.isReadable() && isReadable_ != CoderInfo::FalseMatch )) )
continue;
// Test isWritable_
if ( isWritable_ != CoderInfo::AnyMatch &&
(( coderInfo.isWritable() && isWritable_ != CoderInfo::TrueMatch ) ||
( !coderInfo.isWritable() && isWritable_ != CoderInfo::FalseMatch )) )
continue;
// Test isMultiFrame_
if ( isMultiFrame_ != CoderInfo::AnyMatch &&
(( coderInfo.isMultiFrame() && isMultiFrame_ != CoderInfo::TrueMatch ) ||
( !coderInfo.isMultiFrame() && isMultiFrame_ != CoderInfo::FalseMatch )) )
continue;
// Append matches to container
container_->push_back( coderInfo );
}
// Intentionally ignore missing module errors
catch ( Magick::ErrorModule )
{
continue;
}
}
coder_list=(char **) MagickCore::RelinquishMagickMemory( coder_list );
throwException( exceptionInfo );
(void) MagickCore::DestroyExceptionInfo( &exceptionInfo );
}
//
// Fill container with color histogram.
// Entries are of type "std::pair<Color,size_t>". Use the pair
// "first" member to access the Color and the "second" member to access
// the number of times the color occurs in the image.
//
// For example:
//
// Using <map>:
//
// Image image("image.miff");
// map<Color,size_t> histogram;
// colorHistogram( &histogram, image );
// std::map<Color,size_t>::const_iterator p=histogram.begin();
// while (p != histogram.end())
// {
// cout << setw(10) << (int)p->second << ": ("
// << setw(quantum_width) << (int)p->first.redQuantum() << ","
// << setw(quantum_width) << (int)p->first.greenQuantum() << ","
// << setw(quantum_width) << (int)p->first.blueQuantum() << ")"
// << endl;
// p++;
// }
//
// Using <vector>:
//
// Image image("image.miff");
// std::vector<std::pair<Color,size_t> > histogram;
// colorHistogram( &histogram, image );
// std::vector<std::pair<Color,size_t> >::const_iterator p=histogram.begin();
// while (p != histogram.end())
// {
// cout << setw(10) << (int)p->second << ": ("
// << setw(quantum_width) << (int)p->first.redQuantum() << ","
// << setw(quantum_width) << (int)p->first.greenQuantum() << ","
// << setw(quantum_width) << (int)p->first.blueQuantum() << ")"
// << endl;
// p++;
// }
template <class Container >
void colorHistogram( Container *histogram_, const Image image)
{
MagickCore::ExceptionInfo exceptionInfo;
MagickCore::GetExceptionInfo( &exceptionInfo );
// Obtain histogram array
size_t colors;
MagickCore::ColorPacket *histogram_array =
MagickCore::GetImageHistogram( image.constImage(), &colors, &exceptionInfo );
throwException( exceptionInfo );
(void) MagickCore::DestroyExceptionInfo( &exceptionInfo );
// Clear out container
histogram_->clear();
// Transfer histogram array to container
for ( size_t i=0; i < colors; i++)
{
histogram_->insert(histogram_->end(),std::pair<const Color,size_t>
( Color(histogram_array[i].pixel.red,
histogram_array[i].pixel.green,
histogram_array[i].pixel.blue),
(size_t) histogram_array[i].count) );
}
// Deallocate histogram array
histogram_array=(MagickCore::ColorPacket *)
MagickCore::RelinquishMagickMemory(histogram_array);
}
// Break down an image sequence into constituent parts. This is
// useful for creating GIF or MNG animation sequences.
template <class InputIterator, class Container >
void deconstructImages( Container *deconstructedImages_,
InputIterator first_,
InputIterator last_ ) {
MagickCore::ExceptionInfo exceptionInfo;
MagickCore::GetExceptionInfo( &exceptionInfo );
// Build image list
linkImages( first_, last_ );
MagickCore::Image* images = DeconstructImages( first_->image(),
&exceptionInfo);
// Unlink image list
unlinkImages( first_, last_ );
// Ensure container is empty
deconstructedImages_->clear();
// Move images to container
insertImages( deconstructedImages_, images );
// Report any error
throwException( exceptionInfo );
(void) MagickCore::DestroyExceptionInfo( &exceptionInfo );
}
//
// Display an image sequence
//
template <class InputIterator>
void displayImages( InputIterator first_,
InputIterator last_ ) {
MagickCore::ExceptionInfo exceptionInfo;
MagickCore::GetExceptionInfo( &exceptionInfo );
linkImages( first_, last_ );
MagickCore::DisplayImages( first_->imageInfo(), first_->image() );
MagickCore::GetImageException( first_->image(), &exceptionInfo );
unlinkImages( first_, last_ );
throwException( exceptionInfo );
(void) MagickCore::DestroyExceptionInfo( &exceptionInfo );
}
// Merge a sequence of image frames which represent image layers.
// This is useful for combining Photoshop layers into a single image.
template <class InputIterator>
void flattenImages( Image *flattendImage_,
InputIterator first_,
InputIterator last_ ) {
MagickCore::ExceptionInfo exceptionInfo;
MagickCore::GetExceptionInfo( &exceptionInfo );
linkImages( first_, last_ );
MagickCore::Image* image = MagickCore::MergeImageLayers( first_->image(),
FlattenLayer,&exceptionInfo );
unlinkImages( first_, last_ );
flattendImage_->replaceImage( image );
throwException( exceptionInfo );
(void) MagickCore::DestroyExceptionInfo( &exceptionInfo );
}
// Implements the discrete Fourier transform (DFT) of the image either as a
// magnitude / phase or real / imaginary image pair.
template <class Container >
void forwardFourierTransformImage( Container *fourierImages_,
const Image &image_ ) {
MagickCore::ExceptionInfo exceptionInfo;
MagickCore::GetExceptionInfo( &exceptionInfo );
// Build image list
MagickCore::Image* images = ForwardFourierTransformImage(
image_.constImage(), MagickTrue, &exceptionInfo);
// Ensure container is empty
fourierImages_->clear();
// Move images to container
insertImages( fourierImages_, images );
// Report any error
throwException( exceptionInfo );
(void) MagickCore::DestroyExceptionInfo( &exceptionInfo );
}
template <class Container >
void forwardFourierTransformImage( Container *fourierImages_,
const Image &image_, const bool magnitude_ ) {
MagickCore::ExceptionInfo exceptionInfo;
MagickCore::GetExceptionInfo( &exceptionInfo );
// Build image list
MagickCore::Image* images = ForwardFourierTransformImage(
image_.constImage(), magnitude_ == true ? MagickTrue : MagickFalse,
&exceptionInfo);
// Ensure container is empty
fourierImages_->clear();
// Move images to container
insertImages( fourierImages_, images );
// Report any error
throwException( exceptionInfo );
(void) MagickCore::DestroyExceptionInfo( &exceptionInfo );
}
// Replace the colors of a sequence of images with the closest color
// from a reference image.
// Set dither_ to true to enable dithering. Set measureError_ to
// true in order to evaluate quantization error.
template <class InputIterator>
void mapImages( InputIterator first_,
InputIterator last_,
const Image& mapImage_,
bool dither_ = false,
bool measureError_ = false ) {
MagickCore::ExceptionInfo exceptionInfo;
MagickCore::GetExceptionInfo( &exceptionInfo );
MagickCore::QuantizeInfo quantizeInfo;
MagickCore::GetQuantizeInfo( &quantizeInfo );
quantizeInfo.dither = dither_ ? MagickCore::MagickTrue : MagickCore::MagickFalse;
linkImages( first_, last_ );
MagickCore::RemapImages( &quantizeInfo, first_->image(),
mapImage_.constImage());
MagickCore::GetImageException( first_->image(), &exceptionInfo );
if ( exceptionInfo.severity != MagickCore::UndefinedException )
{
unlinkImages( first_, last_ );
throwException( exceptionInfo );
}
MagickCore::Image* image = first_->image();
while( image )
{
// Calculate quantization error
if ( measureError_ )
{
MagickCore::GetImageQuantizeError( image );
if ( image->exception.severity > MagickCore::UndefinedException )
{
unlinkImages( first_, last_ );
throwException( exceptionInfo );
}
}
// Udate DirectClass representation of pixels
MagickCore::SyncImage( image );
if ( image->exception.severity > MagickCore::UndefinedException )
{
unlinkImages( first_, last_ );
throwException( exceptionInfo );
}
// Next image
image=image->next;
}
unlinkImages( first_, last_ );
(void) MagickCore::DestroyExceptionInfo( &exceptionInfo );
}
// Create a composite image by combining several separate images.
template <class Container, class InputIterator>
void montageImages( Container *montageImages_,
InputIterator first_,
InputIterator last_,
const Montage &montageOpts_ ) {
MagickCore::MontageInfo* montageInfo =
static_cast<MagickCore::MontageInfo*>(MagickCore::AcquireMagickMemory(sizeof(MagickCore::MontageInfo)));
// Update montage options with those set in montageOpts_
montageOpts_.updateMontageInfo( *montageInfo );
// Update options which must transfer to image options
if ( montageOpts_.label().length() != 0 )
first_->label( montageOpts_.label() );
// Create linked image list
linkImages( first_, last_ );
// Reset output container to pristine state
montageImages_->clear();
// Do montage
MagickCore::ExceptionInfo exceptionInfo;
MagickCore::GetExceptionInfo( &exceptionInfo );
MagickCore::Image *images = MagickCore::MontageImages( first_->image(),
montageInfo,
&exceptionInfo );
if ( images != 0 )
{
insertImages( montageImages_, images );
}
// Clean up any allocated data in montageInfo
MagickCore::DestroyMontageInfo( montageInfo );
// Unlink linked image list
unlinkImages( first_, last_ );
// Report any montage error
throwException( exceptionInfo );
// Apply transparency to montage images
if ( montageImages_->size() > 0 && montageOpts_.transparentColor().isValid() )
{
for_each( first_, last_, transparentImage( montageOpts_.transparentColor() ) );
}
// Report any transparentImage() error
MagickCore::GetImageException( first_->image(), &exceptionInfo );
throwException( exceptionInfo );
(void) MagickCore::DestroyExceptionInfo( &exceptionInfo );
}
// Morph a set of images
template <class InputIterator, class Container >
void morphImages( Container *morphedImages_,
InputIterator first_,
InputIterator last_,
size_t frames_ ) {
MagickCore::ExceptionInfo exceptionInfo;
MagickCore::GetExceptionInfo( &exceptionInfo );
// Build image list
linkImages( first_, last_ );
MagickCore::Image* images = MagickCore::MorphImages( first_->image(), frames_,
&exceptionInfo);
// Unlink image list
unlinkImages( first_, last_ );
// Ensure container is empty
morphedImages_->clear();
// Move images to container
insertImages( morphedImages_, images );
// Report any error
throwException( exceptionInfo );
(void) MagickCore::DestroyExceptionInfo( &exceptionInfo );
}
// Inlay a number of images to form a single coherent picture.
template <class InputIterator>
void mosaicImages( Image *mosaicImage_,
InputIterator first_,
InputIterator last_ ) {
MagickCore::ExceptionInfo exceptionInfo;
MagickCore::GetExceptionInfo( &exceptionInfo );
linkImages( first_, last_ );
MagickCore::Image* image = MagickCore::MergeImageLayers( first_->image(),
MosaicLayer,&exceptionInfo );
unlinkImages( first_, last_ );
mosaicImage_->replaceImage( image );
throwException( exceptionInfo );
(void) MagickCore::DestroyExceptionInfo( &exceptionInfo );
}
// Quantize colors in images using current quantization settings
// Set measureError_ to true in order to measure quantization error
template <class InputIterator>
void quantizeImages( InputIterator first_,
InputIterator last_,
bool measureError_ = false ) {
MagickCore::ExceptionInfo exceptionInfo;
MagickCore::GetExceptionInfo( &exceptionInfo );
linkImages( first_, last_ );
MagickCore::QuantizeImages( first_->quantizeInfo(),
first_->image() );
MagickCore::GetImageException( first_->image(), &exceptionInfo );
if ( exceptionInfo.severity > MagickCore::UndefinedException )
{
unlinkImages( first_, last_ );
throwException( exceptionInfo );
}
MagickCore::Image* image = first_->image();
while( image != 0 )
{
// Calculate quantization error
if ( measureError_ )
MagickCore::GetImageQuantizeError( image );
// Update DirectClass representation of pixels
MagickCore::SyncImage( image );
// Next image
image=image->next;
}
unlinkImages( first_, last_ );
(void) MagickCore::DestroyExceptionInfo( &exceptionInfo );
}
// Read images into existing container (appending to container)
// FIXME: need a way to specify options like size, depth, and density.
template <class Container>
void readImages( Container *sequence_,
const std::string &imageSpec_ ) {
MagickCore::ImageInfo *imageInfo = MagickCore::CloneImageInfo(0);
imageSpec_.copy( imageInfo->filename, MaxTextExtent-1 );
imageInfo->filename[ imageSpec_.length() ] = 0;
MagickCore::ExceptionInfo exceptionInfo;
MagickCore::GetExceptionInfo( &exceptionInfo );
MagickCore::Image* images = MagickCore::ReadImage( imageInfo, &exceptionInfo );
MagickCore::DestroyImageInfo(imageInfo);
insertImages( sequence_, images);
throwException( exceptionInfo );
(void) MagickCore::DestroyExceptionInfo( &exceptionInfo );
}
template <class Container>
void readImages( Container *sequence_,
const Blob &blob_ ) {
MagickCore::ImageInfo *imageInfo = MagickCore::CloneImageInfo(0);
MagickCore::ExceptionInfo exceptionInfo;
MagickCore::GetExceptionInfo( &exceptionInfo );
MagickCore::Image *images = MagickCore::BlobToImage( imageInfo,
blob_.data(),
blob_.length(), &exceptionInfo );
MagickCore::DestroyImageInfo(imageInfo);
insertImages( sequence_, images );
throwException( exceptionInfo );
(void) MagickCore::DestroyExceptionInfo( &exceptionInfo );
}
// Write Images
template <class InputIterator>
void writeImages( InputIterator first_,
InputIterator last_,
const std::string &imageSpec_,
bool adjoin_ = true ) {
first_->adjoin( adjoin_ );
MagickCore::ExceptionInfo exceptionInfo;
MagickCore::GetExceptionInfo( &exceptionInfo );
linkImages( first_, last_ );
::ssize_t errorStat = MagickCore::WriteImages( first_->constImageInfo(),
first_->image(),
imageSpec_.c_str(),
&exceptionInfo );
unlinkImages( first_, last_ );
if ( errorStat != false )
{
(void) MagickCore::DestroyExceptionInfo( &exceptionInfo );
return;
}
throwException( exceptionInfo );
(void) MagickCore::DestroyExceptionInfo( &exceptionInfo );
}
// Write images to BLOB
template <class InputIterator>
void writeImages( InputIterator first_,
InputIterator last_,
Blob *blob_,
bool adjoin_ = true) {
first_->adjoin( adjoin_ );
linkImages( first_, last_ );
MagickCore::ExceptionInfo exceptionInfo;
MagickCore::GetExceptionInfo( &exceptionInfo );
size_t length = 2048; // Efficient size for small images
void* data = MagickCore::ImagesToBlob( first_->imageInfo(),
first_->image(),
&length,
&exceptionInfo);
blob_->updateNoCopy( data, length, Magick::Blob::MallocAllocator );
unlinkImages( first_, last_ );
throwException( exceptionInfo );
(void) MagickCore::DestroyExceptionInfo( &exceptionInfo );
}
} // namespace Magick
#endif // Magick_STL_header
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