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gerrit-public.fairphone.software / platform / external / ImageMagick / cf1296eb467f83fd2106e51d2689ac0afc863ef8 / . / Magick++ / lib / Image.cpp
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// This may look like C code, but it is really -*- C++ -*-
//
// Copyright Bob Friesenhahn, 1999, 2000, 2001, 2002, 2003
//
// Implementation of Image
//
#define MAGICKCORE_IMPLEMENTATION 1
#define MAGICK_PLUSPLUS_IMPLEMENTATION 1
#include <cstdlib>
#include <string>
#include <string.h>
#include <errno.h>
#include <math.h>
#include "Magick++/Include.h"
using namespace std;
#include "Magick++/Image.h"
#include "Magick++/Functions.h"
#include "Magick++/Pixels.h"
#include "Magick++/Options.h"
#include "Magick++/ImageRef.h"
#define AbsoluteValue(x) ((x) < 0 ? -(x) : (x))
#define DegreesToRadians(x) (MagickPI*(x)/180.0)
MagickPPExport const char *Magick::borderGeometryDefault = "6x6+0+0";
MagickPPExport const char *Magick::frameGeometryDefault = "25x25+6+6";
MagickPPExport const char *Magick::raiseGeometryDefault = "6x6+0+0";
static bool magick_initialized=false;
//
// Explicit template instantiations
//
//
// Friend functions to compare Image objects
//
MagickPPExport int Magick::operator == ( const Magick::Image& left_,
const Magick::Image& right_ )
{
// If image pixels and signature are the same, then the image is identical
return ( ( left_.rows() == right_.rows() ) &&
( left_.columns() == right_.columns() ) &&
( left_.signature() == right_.signature() )
);
}
MagickPPExport int Magick::operator != ( const Magick::Image& left_,
const Magick::Image& right_ )
{
return ( ! (left_ == right_) );
}
MagickPPExport int Magick::operator > ( const Magick::Image& left_,
const Magick::Image& right_ )
{
return ( !( left_ < right_ ) && ( left_ != right_ ) );
}
MagickPPExport int Magick::operator < ( const Magick::Image& left_,
const Magick::Image& right_ )
{
// If image pixels are less, then image is smaller
return ( ( left_.rows() * left_.columns() ) <
( right_.rows() * right_.columns() )
);
}
MagickPPExport int Magick::operator >= ( const Magick::Image& left_,
const Magick::Image& right_ )
{
return ( ( left_ > right_ ) || ( left_ == right_ ) );
}
MagickPPExport int Magick::operator <= ( const Magick::Image& left_,
const Magick::Image& right_ )
{
return ( ( left_ < right_ ) || ( left_ == right_ ) );
}
//
// Image object implementation
//
// Construct from image file or image specification
Magick::Image::Image( const std::string &imageSpec_ )
: _imgRef(new ImageRef)
{
try
{
// Initialize, Allocate and Read images
read( imageSpec_ );
}
catch ( const Warning & /*warning_*/ )
{
// FIXME: need a way to report warnings in constructor
}
catch ( const Error & /*error_*/ )
{
// Release resources
delete _imgRef;
throw;
}
}
// Construct a blank image canvas of specified size and color
Magick::Image::Image( const Geometry &size_,
const Color &color_ )
: _imgRef(new ImageRef)
{
// xc: prefix specifies an X11 color string
std::string imageSpec("xc:");
imageSpec += color_;
try
{
// Set image size
size( size_ );
// Initialize, Allocate and Read images
read( imageSpec );
}
catch ( const Warning & /*warning_*/ )
{
// FIXME: need a way to report warnings in constructor
}
catch ( const Error & /*error_*/ )
{
// Release resources
delete _imgRef;
throw;
}
}
// Construct Image from in-memory BLOB
Magick::Image::Image ( const Blob &blob_ )
: _imgRef(new ImageRef)
{
try
{
// Initialize, Allocate and Read images
read( blob_ );
}
catch ( const Warning & /*warning_*/ )
{
// FIXME: need a way to report warnings in constructor
}
catch ( const Error & /*error_*/ )
{
// Release resources
delete _imgRef;
throw;
}
}
// Construct Image of specified size from in-memory BLOB
Magick::Image::Image ( const Blob &blob_,
const Geometry &size_ )
: _imgRef(new ImageRef)
{
try
{
// Read from Blob
read( blob_, size_ );
}
catch ( const Warning & /*warning_*/ )
{
// FIXME: need a way to report warnings in constructor
}
catch ( const Error & /*error_*/ )
{
// Release resources
delete _imgRef;
throw;
}
}
// Construct Image of specified size and depth from in-memory BLOB
Magick::Image::Image ( const Blob &blob_,
const Geometry &size_,
const size_t depth_ )
: _imgRef(new ImageRef)
{
try
{
// Read from Blob
read( blob_, size_, depth_ );
}
catch ( const Warning & /*warning_*/ )
{
// FIXME: need a way to report warnings in constructor
}
catch ( const Error & /*error_*/ )
{
// Release resources
delete _imgRef;
throw;
}
}
// Construct Image of specified size, depth, and format from in-memory BLOB
Magick::Image::Image ( const Blob &blob_,
const Geometry &size_,
const size_t depth_,
const std::string &magick_ )
: _imgRef(new ImageRef)
{
try
{
// Read from Blob
read( blob_, size_, depth_, magick_ );
}
catch ( const Warning & /*warning_*/ )
{
// FIXME: need a way to report warnings in constructor
}
catch ( const Error & /*error_*/ )
{
// Release resources
delete _imgRef;
throw;
}
}
// Construct Image of specified size, and format from in-memory BLOB
Magick::Image::Image ( const Blob &blob_,
const Geometry &size_,
const std::string &magick_ )
: _imgRef(new ImageRef)
{
try
{
// Read from Blob
read( blob_, size_, magick_ );
}
catch ( const Warning & /*warning_*/ )
{
// FIXME: need a way to report warnings in constructor
}
catch ( const Error & /*error_*/ )
{
// Release resources
delete _imgRef;
throw;
}
}
// Construct an image based on an array of raw pixels, of specified
// type and mapping, in memory
Magick::Image::Image ( const size_t width_,
const size_t height_,
const std::string &map_,
const StorageType type_,
const void *pixels_ )
: _imgRef(new ImageRef)
{
try
{
read( width_, height_, map_.c_str(), type_, pixels_ );
}
catch ( const Warning & /*warning_*/ )
{
// FIXME: need a way to report warnings in constructor
}
catch ( const Error & /*error_*/ )
{
// Release resources
delete _imgRef;
throw;
}
}
// Default constructor
Magick::Image::Image( void )
: _imgRef(new ImageRef)
{
}
// Destructor
/* virtual */
Magick::Image::~Image()
{
bool doDelete = false;
{
Lock( &_imgRef->_mutexLock );
if ( --_imgRef->_refCount == 0 )
doDelete = true;
}
if ( doDelete )
{
delete _imgRef;
}
_imgRef = 0;
}
// Adaptive-blur image
void Magick::Image::adaptiveBlur( const double radius_, const double sigma_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
AdaptiveBlurImage( image(), radius_, sigma_, &exceptionInfo);
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// 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 Magick::Image::adaptiveThreshold ( const size_t width_,
const size_t height_,
const ssize_t offset_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
AdaptiveThresholdImage( constImage(), width_, height_, offset_, &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Add noise to image
void Magick::Image::addNoise( const NoiseType noiseType_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
AddNoiseImage ( image(),
noiseType_, 1.0,
&exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
void Magick::Image::addNoiseChannel( const ChannelType channel_,
const NoiseType noiseType_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
ChannelType channel_mask = SetImageChannelMask( image(), channel_);
MagickCore::Image* newImage =
AddNoiseImage ( image(),
noiseType_, 1.0,
&exceptionInfo );
(void) SetPixelChannelMask( image(), channel_mask );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Affine Transform image
void Magick::Image::affineTransform ( const DrawableAffine &affine_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
AffineMatrix _affine;
_affine.sx = affine_.sx();
_affine.sy = affine_.sy();
_affine.rx = affine_.rx();
_affine.ry = affine_.ry();
_affine.tx = affine_.tx();
_affine.ty = affine_.ty();
MagickCore::Image* newImage =
AffineTransformImage( image(), &_affine, &exceptionInfo);
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Annotate using specified text, and placement location
void Magick::Image::annotate ( const std::string &text_,
const Geometry &location_ )
{
annotate ( text_, location_, NorthWestGravity, 0.0 );
}
// Annotate using specified text, bounding area, and placement gravity
void Magick::Image::annotate ( const std::string &text_,
const Geometry &boundingArea_,
const GravityType gravity_ )
{
annotate ( text_, boundingArea_, gravity_, 0.0 );
}
// Annotate with text using specified text, bounding area, placement
// gravity, and rotation.
void Magick::Image::annotate ( const std::string &text_,
const Geometry &boundingArea_,
const GravityType gravity_,
const double degrees_ )
{
modifyImage();
DrawInfo *drawInfo
= options()->drawInfo();
drawInfo->text = const_cast<char *>(text_.c_str());
char boundingArea[MaxTextExtent];
drawInfo->geometry = 0;
if ( boundingArea_.isValid() ){
if ( boundingArea_.width() == 0 || boundingArea_.height() == 0 )
{
FormatLocaleString( boundingArea, MaxTextExtent, "%+.20g%+.20g",
(double) boundingArea_.xOff(), (double) boundingArea_.yOff() );
}
else
{
(void) CopyMagickString( boundingArea, string(boundingArea_).c_str(),
MaxTextExtent);
}
drawInfo->geometry = boundingArea;
}
drawInfo->gravity = gravity_;
AffineMatrix oaffine = drawInfo->affine;
if ( degrees_ != 0.0)
{
AffineMatrix affine;
affine.sx=1.0;
affine.rx=0.0;
affine.ry=0.0;
affine.sy=1.0;
affine.tx=0.0;
affine.ty=0.0;
AffineMatrix current = drawInfo->affine;
affine.sx=cos(DegreesToRadians(fmod(degrees_,360.0)));
affine.rx=sin(DegreesToRadians(fmod(degrees_,360.0)));
affine.ry=(-sin(DegreesToRadians(fmod(degrees_,360.0))));
affine.sy=cos(DegreesToRadians(fmod(degrees_,360.0)));
drawInfo->affine.sx=current.sx*affine.sx+current.ry*affine.rx;
drawInfo->affine.rx=current.rx*affine.sx+current.sy*affine.rx;
drawInfo->affine.ry=current.sx*affine.ry+current.ry*affine.sy;
drawInfo->affine.sy=current.rx*affine.ry+current.sy*affine.sy;
drawInfo->affine.tx=current.sx*affine.tx+current.ry*affine.ty
+current.tx;
}
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
AnnotateImage( image(), drawInfo, &exceptionInfo );
// Restore original values
drawInfo->affine = oaffine;
drawInfo->text = 0;
drawInfo->geometry = 0;
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Annotate with text (bounding area is entire image) and placement gravity.
void Magick::Image::annotate ( const std::string &text_,
const GravityType gravity_ )
{
modifyImage();
DrawInfo *drawInfo
= options()->drawInfo();
drawInfo->text = const_cast<char *>(text_.c_str());
drawInfo->gravity = gravity_;
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
AnnotateImage( image(), drawInfo, &exceptionInfo );
drawInfo->gravity = NorthWestGravity;
drawInfo->text = 0;
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Blur image
void Magick::Image::blur( const double radius_, const double sigma_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
BlurImage( image(), radius_, sigma_, &exceptionInfo);
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
void Magick::Image::blurChannel( const ChannelType channel_,
const double radius_, const double sigma_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
ChannelType channel_mask = SetImageChannelMask( image(), channel_ );
MagickCore::Image* newImage =
BlurImage( image(), radius_, sigma_, &exceptionInfo);
(void) SetPixelChannelMask( image(), channel_mask );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Add border to image
// Only uses width & height
void Magick::Image::border( const Geometry &geometry_ )
{
RectangleInfo borderInfo = geometry_;
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
BorderImage( image(), &borderInfo, image()->compose, &exceptionInfo);
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Extract channel from image
void Magick::Image::channel ( const ChannelType channel_ )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
SeparateImage( image(), channel_, &exceptionInfo);
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Set or obtain modulus channel depth
void Magick::Image::channelDepth ( const size_t depth_ )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
SetImageDepth( image(), depth_, &exceptionInfo);
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
size_t Magick::Image::channelDepth ( )
{
size_t channel_depth;
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
channel_depth=GetImageDepth( constImage(), &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
return channel_depth;
}
// Charcoal-effect image
void Magick::Image::charcoal( const double radius_, const double sigma_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
CharcoalImage( image(), radius_, sigma_, &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Chop image
void Magick::Image::chop( const Geometry &geometry_ )
{
RectangleInfo chopInfo = geometry_;
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
ChopImage( image(), &chopInfo, &exceptionInfo);
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// contains one or more color corrections and applies the correction to the
// image.
void Magick::Image::cdl ( const std::string &cdl_ )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
(void) ColorDecisionListImage( image(), cdl_.c_str(), &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Colorize
void Magick::Image::colorize ( const unsigned int alphaRed_,
const unsigned int alphaGreen_,
const unsigned int alphaBlue_,
const Color &penColor_ )
{
if ( !penColor_.isValid() )
{
throwExceptionExplicit( OptionError,
"Pen color argument is invalid");
}
char blend[MaxTextExtent];
FormatLocaleString(blend,MaxTextExtent,"%u/%u/%u",alphaRed_,alphaGreen_,alphaBlue_);
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
PixelInfo target;
GetPixelInfo(image(),&target);
PixelInfo pixel=static_cast<PixelInfo>(penColor_);
target.red=pixel.red;
target.green=pixel.green;
target.blue=pixel.blue;
target.alpha=pixel.alpha;
MagickCore::Image* newImage =
ColorizeImage ( image(), blend, &target, &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
void Magick::Image::colorize ( const unsigned int alpha_,
const Color &penColor_ )
{
colorize( alpha_, alpha_, alpha_, penColor_ );
}
// Apply a color matrix to the image channels. The user supplied
// matrix may be of order 1 to 6 (1x1 through 6x6).
void Magick::Image::colorMatrix (const size_t order_,
const double *color_matrix_)
{
KernelInfo
*kernel_info;
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
kernel_info=AcquireKernelInfo((const char *) NULL);
kernel_info->width=order_;
kernel_info->height=order_;
kernel_info->values=(MagickRealType *) AcquireAlignedMemory(order_,
order_*sizeof(*kernel_info->values));
if (kernel_info->values != (MagickRealType *) NULL)
{
for (ssize_t i=0; i < (order_*order_); i++)
kernel_info->values[i]=color_matrix_[i];
MagickCore::Image* newImage =
ColorMatrixImage( image(), kernel_info, &exceptionInfo );
replaceImage( newImage );
}
kernel_info=DestroyKernelInfo(kernel_info);
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Compare current image with another image
// Sets meanErrorPerPixel, normalizedMaxError, and normalizedMeanError
// in the current image. False is returned if the images are identical.
bool Magick::Image::compare ( const Image &reference_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
modifyImage();
Image ref = reference_;
ref.modifyImage();
bool status =
static_cast<bool>(IsImagesEqual(image(), ref.image(), &exceptionInfo));
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
return status;
}
// Composite two images
void Magick::Image::composite ( const Image &compositeImage_,
const ssize_t xOffset_,
const ssize_t yOffset_,
const CompositeOperator compose_ )
{
// Image supplied as compositeImage is composited with current image and
// results in updating current image.
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
CompositeImage( image(),
compositeImage_.constImage(),
compose_, MagickFalse,
xOffset_,
yOffset_, &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
void Magick::Image::composite ( const Image &compositeImage_,
const Geometry &offset_,
const CompositeOperator compose_ )
{
modifyImage();
ssize_t x = offset_.xOff();
ssize_t y = offset_.yOff();
size_t width = columns();
size_t height = rows();
ParseMetaGeometry (static_cast<std::string>(offset_).c_str(),
&x, &y,
&width, &height );
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
CompositeImage( image(),
compositeImage_.constImage(),
compose_, MagickFalse,
x, y, &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
void Magick::Image::composite ( const Image &compositeImage_,
const GravityType gravity_,
const CompositeOperator compose_ )
{
modifyImage();
RectangleInfo geometry;
SetGeometry(compositeImage_.constImage(), &geometry);
GravityAdjustGeometry(columns(), rows(), gravity_, &geometry);
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
CompositeImage( image(),
compositeImage_.constImage(),
compose_, MagickFalse,
geometry.x, geometry.y, &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Contrast image
void Magick::Image::contrast ( const size_t sharpen_ )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
ContrastImage ( image(), (MagickBooleanType) sharpen_, &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Convolve image. Applies a general image convolution kernel 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 Magick::Image::convolve ( const size_t order_,
const double *kernel_ )
{
KernelInfo
*kernel_info;
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
kernel_info=AcquireKernelInfo((const char *) NULL);
kernel_info->width=order_;
kernel_info->height=order_;
kernel_info->values=(MagickRealType *) AcquireAlignedMemory(order_,
order_*sizeof(*kernel_info->values));
if (kernel_info->values != (MagickRealType *) NULL)
{
for (ssize_t i=0; i < (order_*order_); i++)
kernel_info->values[i]=kernel_[i];
MagickCore::Image* newImage =
ConvolveImage ( image(), kernel_info, &exceptionInfo );
replaceImage( newImage );
}
kernel_info=DestroyKernelInfo(kernel_info);
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Crop image
void Magick::Image::crop ( const Geometry &geometry_ )
{
RectangleInfo cropInfo = geometry_;
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
CropImage( image(),
&cropInfo,
&exceptionInfo);
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Cycle Color Map
void Magick::Image::cycleColormap ( const ssize_t amount_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
modifyImage();
CycleColormapImage( image(), amount_, &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Despeckle
void Magick::Image::despeckle ( void )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
DespeckleImage( image(), &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Display image
void Magick::Image::display( void )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
DisplayImages( imageInfo(), image(), &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// 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 Magick::Image::distort ( const DistortImageMethod method_,
const size_t number_arguments_,
const double *arguments_,
const bool bestfit_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage = DistortImage ( image(), method_,
number_arguments_, arguments_, bestfit_ == true ? MagickTrue : MagickFalse,
&exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Draw on image using single drawable
void Magick::Image::draw ( const Magick::Drawable &drawable_ )
{
modifyImage();
DrawingWand *wand = DrawAllocateWand( options()->drawInfo(), image());
if(wand)
{
drawable_.operator()(wand);
DrawRender(wand);
wand=DestroyDrawingWand(wand);
}
throwImageException();
}
// Draw on image using a drawable list
void Magick::Image::draw ( const std::list<Magick::Drawable> &drawable_ )
{
modifyImage();
DrawingWand *wand = DrawAllocateWand( options()->drawInfo(), image());
if(wand)
{
for( std::list<Magick::Drawable>::const_iterator p = drawable_.begin();
p != drawable_.end(); p++ )
{
p->operator()(wand);
}
DrawRender(wand);
wand=DestroyDrawingWand(wand);
}
throwImageException();
}
// Hilight edges in image
void Magick::Image::edge ( const double radius_, const double sigma_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
EdgeImage( image(), radius_, sigma_, &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Emboss image (hilight edges)
void Magick::Image::emboss ( const double radius_, const double sigma_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
EmbossImage( image(), radius_, sigma_, &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Enhance image (minimize noise)
void Magick::Image::enhance ( void )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
EnhanceImage( image(), &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Equalize image (histogram equalization)
void Magick::Image::equalize ( void )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
modifyImage();
EqualizeImage( image(), &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Erase image to current "background color"
void Magick::Image::erase ( void )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
SetImageBackgroundColor( image(), &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Extends image as defined by the geometry.
//
void Magick::Image::extent ( const Geometry &geometry_ )
{
RectangleInfo extentInfo = geometry_;
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
ExtentImage ( image(), &extentInfo, &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
void Magick::Image::extent ( const Geometry &geometry_, const Color &backgroundColor_ )
{
backgroundColor ( backgroundColor_ );
extent ( geometry_ );
}
void Magick::Image::extent ( const Geometry &geometry_, const GravityType gravity_ )
{
RectangleInfo geometry;
SetGeometry(image(), &geometry);
GravityAdjustGeometry(image()->columns, image()->rows, gravity_, &geometry);
extent ( geometry_ );
}
void Magick::Image::extent ( const Geometry &geometry_, const Color &backgroundColor_, const GravityType gravity_ )
{
image()->gravity = gravity_;
backgroundColor ( backgroundColor_ );
extent ( geometry_ );
}
// Flip image (reflect each scanline in the vertical direction)
void Magick::Image::flip ( void )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
FlipImage( image(), &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// 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 Magick::Image::floodFillColor( const ssize_t x_,
const ssize_t y_,
const Magick::Color &fillColor_ )
{
floodFillTexture( x_, y_, Image( Geometry( 1, 1), fillColor_ ) );
}
void Magick::Image::floodFillColor( const Geometry &point_,
const Magick::Color &fillColor_ )
{
floodFillTexture( point_, Image( Geometry( 1, 1), 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 Magick::Image::floodFillColor( const ssize_t x_,
const ssize_t y_,
const Magick::Color &fillColor_,
const Magick::Color &borderColor_ )
{
floodFillTexture( x_, y_, Image( Geometry( 1, 1), fillColor_),
borderColor_ );
}
void Magick::Image::floodFillColor( const Geometry &point_,
const Magick::Color &fillColor_,
const Magick::Color &borderColor_ )
{
floodFillTexture( point_, Image( Geometry( 1, 1), fillColor_),
borderColor_ );
}
// Floodfill pixels matching color (within fuzz factor) of target
// pixel(x,y) with replacement alpha value using method.
void Magick::Image::floodFillAlpha( const ssize_t x_,
const ssize_t y_,
const unsigned int alpha_,
const PaintMethod method_ )
{
modifyImage();
PixelInfo target;
GetPixelInfo(image(),&target);
PixelInfo pixel=static_cast<PixelInfo>(pixelColor(x_,y_));
target.red=pixel.red;
target.green=pixel.green;
target.blue=pixel.blue;
target.alpha=alpha_;
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
FloodfillPaintImage ( image(),
options()->drawInfo(), // const DrawInfo *draw_info
&target,
static_cast<ssize_t>(x_), static_cast<ssize_t>(y_),
method_ == FloodfillMethod ? MagickFalse : MagickTrue,
&exceptionInfo);
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// 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 Magick::Image::floodFillTexture( const ssize_t x_,
const ssize_t y_,
const Magick::Image &texture_ )
{
modifyImage();
// Set drawing pattern
options()->fillPattern(texture_.constImage());
// Get pixel view
Pixels pixels(*this);
// Fill image
Quantum *p = pixels.get(x_, y_, 1, 1 );
PixelInfo target;
GetPixelInfo(constImage(),&target);
target.red=GetPixelRed(constImage(),p);
target.green=GetPixelGreen(constImage(),p);
target.blue=GetPixelBlue(constImage(),p);
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
if (p)
FloodfillPaintImage ( image(), // Image *image
options()->drawInfo(), // const DrawInfo *draw_info
&target, // const MagickPacket target
static_cast<ssize_t>(x_), // const ssize_t x_offset
static_cast<ssize_t>(y_), // const ssize_t y_offset
MagickFalse, // const PaintMethod method
&exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
void Magick::Image::floodFillTexture( const Magick::Geometry &point_,
const Magick::Image &texture_ )
{
floodFillTexture( point_.xOff(), point_.yOff(), 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 Magick::Image::floodFillTexture( const ssize_t x_,
const ssize_t y_,
const Magick::Image &texture_,
const Magick::Color &borderColor_ )
{
modifyImage();
// Set drawing fill pattern
options()->fillPattern(texture_.constImage());
PixelInfo target;
GetPixelInfo(constImage(),&target);
target.red=static_cast<PixelInfo>(borderColor_).red;
target.green=static_cast<PixelInfo>(borderColor_).green;
target.blue=static_cast<PixelInfo>(borderColor_).blue;
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
FloodfillPaintImage ( image(),
options()->drawInfo(),
&target,
static_cast<ssize_t>(x_),
static_cast<ssize_t>(y_),
MagickTrue, &exceptionInfo);
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
void Magick::Image::floodFillTexture( const Magick::Geometry &point_,
const Magick::Image &texture_,
const Magick::Color &borderColor_ )
{
floodFillTexture( point_.xOff(), point_.yOff(), texture_, borderColor_ );
}
// Flop image (reflect each scanline in the horizontal direction)
void Magick::Image::flop ( void )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
FlopImage( image(), &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Frame image
void Magick::Image::frame ( const Geometry &geometry_ )
{
FrameInfo info;
info.x = static_cast<ssize_t>(geometry_.width());
info.y = static_cast<ssize_t>(geometry_.height());
info.width = columns() + ( static_cast<size_t>(info.x) << 1 );
info.height = rows() + ( static_cast<size_t>(info.y) << 1 );
info.outer_bevel = geometry_.xOff();
info.inner_bevel = geometry_.yOff();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
FrameImage( image(), &info, image()->compose, &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
void Magick::Image::frame ( const size_t width_,
const size_t height_,
const ssize_t outerBevel_, const ssize_t innerBevel_ )
{
FrameInfo info;
info.x = static_cast<ssize_t>(width_);
info.y = static_cast<ssize_t>(height_);
info.width = columns() + ( static_cast<size_t>(info.x) << 1 );
info.height = rows() + ( static_cast<size_t>(info.y) << 1 );
info.outer_bevel = static_cast<ssize_t>(outerBevel_);
info.inner_bevel = static_cast<ssize_t>(innerBevel_);
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
FrameImage( image(), &info, image()->compose, &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Fx image. Applies a mathematical expression to the image.
void Magick::Image::fx ( const std::string expression )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
FxImage ( image(), expression.c_str(), &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
void Magick::Image::fx ( const std::string expression,
const Magick::ChannelType channel )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
ChannelType channel_mask = SetImageChannelMask( image(), channel );
MagickCore::Image* newImage =
FxImage ( image(), expression.c_str(), &exceptionInfo );
(void) SetPixelChannelMask( image(), channel_mask );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Gamma correct image
void Magick::Image::gamma ( const double gamma_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
modifyImage();
GammaImage ( image(), gamma_, &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
void Magick::Image::gamma ( const double gammaRed_,
const double gammaGreen_,
const double gammaBlue_ )
{
char gamma[MaxTextExtent + 1];
FormatLocaleString( gamma, MaxTextExtent, "%3.6f/%3.6f/%3.6f/",
gammaRed_, gammaGreen_, gammaBlue_);
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
modifyImage();
GammaImage ( image(), atof(gamma), &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// 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 Magick::Image::gaussianBlur ( const double width_, const double sigma_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
GaussianBlurImage( image(), width_, sigma_, &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
void Magick::Image::gaussianBlurChannel ( const ChannelType channel_,
const double width_,
const double sigma_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
ChannelType channel_mask = SetImageChannelMask( image(), channel_ );
MagickCore::Image* newImage =
GaussianBlurImage( image(), width_, sigma_, &exceptionInfo );
(void) SetPixelChannelMask( image(), channel_mask );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Apply a color lookup table (Hald CLUT) to the image.
void Magick::Image::haldClut ( const Image &clutImage_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
modifyImage();
(void) HaldClutImage( image(), clutImage_.constImage(), &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Implode image
void Magick::Image::implode ( const double factor_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
ImplodeImage( image(), factor_, image()->interpolate, &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// implements the inverse discrete Fourier transform (IFT) of the image either
// as a magnitude / phase or real / imaginary image pair.
void Magick::Image::inverseFourierTransform ( const Image &phase_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage = InverseFourierTransformImage( image(),
phase_.constImage(), MagickTrue, &exceptionInfo);
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
void Magick::Image::inverseFourierTransform ( const Image &phase_,
const bool magnitude_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage = InverseFourierTransformImage( image(),
phase_.constImage(), magnitude_ == true ? MagickTrue : MagickFalse,
&exceptionInfo);
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// 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 gamma has a useful range of 0 to ten.
void Magick::Image::level ( const double black_point,
const double white_point,
const double gamma )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
modifyImage();
(void) LevelImage( image(), black_point, white_point, gamma, &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Magnify image by integral size
void Magick::Image::magnify ( void )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
MagnifyImage( image(), &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Remap image colors with closest color from reference image
void Magick::Image::map ( const Image &mapImage_ , const bool dither_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
modifyImage();
options()->quantizeDither( dither_ );
RemapImage ( options()->quantizeInfo(), image(),
mapImage_.constImage(), &exceptionInfo);
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Floodfill designated area with replacement alpha value
void Magick::Image::matteFloodfill ( const Color &target_ ,
const unsigned int alpha_,
const ssize_t x_, const ssize_t y_,
const Magick::PaintMethod method_ )
{
modifyImage();
PixelInfo target;
GetPixelInfo(constImage(),&target);
target.red=static_cast<PixelInfo>(target_).red;
target.green=static_cast<PixelInfo>(target_).green;
target.blue=static_cast<PixelInfo>(target_).blue;
target.alpha=alpha_;
ChannelType channel_mask = SetImageChannelMask( image(), AlphaChannel );
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
FloodfillPaintImage ( image(), options()->drawInfo(), &target, x_, y_,
method_ == FloodfillMethod ? MagickFalse : MagickTrue, &exceptionInfo);
(void) SetPixelChannelMask( image(), channel_mask );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Filter image by replacing each pixel component with the median
// color in a circular neighborhood
void Magick::Image::medianFilter ( const double radius_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
StatisticImage ( image(), MedianStatistic, (size_t) radius_, (size_t)
radius_,&exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Reduce image by integral size
void Magick::Image::minify ( void )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
MinifyImage( image(), &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Modulate percent hue, saturation, and brightness of an image
void Magick::Image::modulate ( const double brightness_,
const double saturation_,
const double hue_ )
{
char modulate[MaxTextExtent + 1];
FormatLocaleString( modulate, MaxTextExtent, "%3.6f,%3.6f,%3.6f",
brightness_, saturation_, hue_);
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
modifyImage();
ModulateImage( image(), modulate, &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// 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 Magick::Image::motionBlur ( const double radius_,
const double sigma_,
const double angle_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
MotionBlurImage( image(), radius_, sigma_, angle_, &exceptionInfo);
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Negate image. Set grayscale_ to true to effect grayscale values
// only
void Magick::Image::negate ( const bool grayscale_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
modifyImage();
NegateImage ( image(), grayscale_ == true ? MagickTrue : MagickFalse,
&exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Normalize image
void Magick::Image::normalize ( void )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
NormalizeImage ( image(), &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Oilpaint image
void Magick::Image::oilPaint ( const double radius_, const double sigma_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
OilPaintImage( image(), radius_, sigma_, &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Set or attenuate the alpha channel. If the image pixels are
// opaque then they are set to the specified alpha value, otherwise
// they are blended with the supplied alpha value. The value of
// alpha_ ranges from 0 (completely opaque) to QuantumRange. The defines
// OpaqueAlpha and TransparentAlpha are available to specify
// completely opaque or completely transparent, respectively.
void Magick::Image::alpha ( const unsigned int alpha_ )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
SetImageAlpha( image(), alpha_, &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Change the color of an opaque pixel to the pen color.
void Magick::Image::opaque ( const Color &opaqueColor_,
const Color &penColor_ )
{
if ( !opaqueColor_.isValid() )
{
throwExceptionExplicit( OptionError,
"Opaque color argument is invalid" );
}
if ( !penColor_.isValid() )
{
throwExceptionExplicit( OptionError,
"Pen color argument is invalid" );
}
modifyImage();
std::string opaqueColor = opaqueColor_;
std::string penColor = penColor_;
PixelInfo opaque;
PixelInfo pen;
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
(void) QueryColorCompliance(std::string(opaqueColor_).c_str(),
AllCompliance, &opaque, &exceptionInfo);
(void) QueryColorCompliance(std::string(penColor_).c_str(),
AllCompliance, &pen, &exceptionInfo);
OpaquePaintImage ( image(), &opaque, &pen, MagickFalse, &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// 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 Magick::Image::ping ( const std::string &imageSpec_ )
{
options()->fileName( imageSpec_ );
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* image =
PingImage( imageInfo(), &exceptionInfo );
replaceImage( image );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// 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 Magick::Image::ping ( const Blob& blob_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* image =
PingBlob( imageInfo(), blob_.data(), blob_.length(), &exceptionInfo );
replaceImage( image );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// 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 Magick::Image::process( std::string name_, const ssize_t argc, const char **argv )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
size_t status =
InvokeDynamicImageFilter( name_.c_str(), &image(), argc, argv,
&exceptionInfo );
(void) status;
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Quantize colors in image using current quantization settings
// Set measureError_ to true in order to measure quantization error
void Magick::Image::quantize ( const bool measureError_ )
{
modifyImage();
if (measureError_)
options()->quantizeInfo()->measure_error=MagickTrue;
else
options()->quantizeInfo()->measure_error=MagickFalse;
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
QuantizeImage( options()->quantizeInfo(), image(), &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Apply an arithmetic or bitwise operator to the image pixel quantums.
void Magick::Image::quantumOperator ( const ChannelType channel_,
const MagickEvaluateOperator operator_,
double rvalue_)
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
ChannelType channel_mask = SetImageChannelMask( image(), channel_ );
EvaluateImage( image(), operator_, rvalue_, &exceptionInfo);
(void) SetPixelChannelMask( image(), channel_mask );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
void Magick::Image::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_)
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
RectangleInfo geometry;
geometry.width = columns_;
geometry.height = rows_;
geometry.x = x_;
geometry.y = y_;
MagickCore::Image *crop_image = CropImage( image(), &geometry,
&exceptionInfo );
ChannelType channel_mask = SetImageChannelMask( image(), channel_);
EvaluateImage( crop_image, operator_, rvalue_, &exceptionInfo );
(void) SetPixelChannelMask( image(), channel_mask );
(void) CompositeImage( image(), crop_image, image()->matte != MagickFalse ?
OverCompositeOp : CopyCompositeOp, MagickFalse, geometry.x, geometry.y,
&exceptionInfo );
crop_image = DestroyImageList(crop_image);
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Raise image (lighten or darken the edges of an image to give a 3-D
// raised or lowered effect)
void Magick::Image::raise ( const Geometry &geometry_ ,
const bool raisedFlag_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
RectangleInfo raiseInfo = geometry_;
modifyImage();
RaiseImage ( image(), &raiseInfo, raisedFlag_ == true ? MagickTrue : MagickFalse, &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// 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 Magick::Image::randomThreshold( const Geometry &thresholds_ )
{
randomThresholdChannel(thresholds_,DefaultChannels);
}
void Magick::Image::randomThresholdChannel( const Geometry &thresholds_,
const ChannelType channel_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
modifyImage();
ChannelType channel_mask = SetImageChannelMask( image(), channel_);
(void) RandomThresholdImage( image(),
static_cast<std::string>(thresholds_).c_str(),
&exceptionInfo );
(void) SetPixelChannelMask( image(), channel_mask );
throwImageException();
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Read image into current object
void Magick::Image::read ( const std::string &imageSpec_ )
{
options()->fileName( imageSpec_ );
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* image =
ReadImage( imageInfo(), &exceptionInfo );
// Ensure that multiple image frames were not read.
if ( image && image->next )
{
// Destroy any extra image frames
MagickCore::Image* next = image->next;
image->next = 0;
next->previous = 0;
DestroyImageList( next );
}
replaceImage( image );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Read image of specified size into current object
void Magick::Image::read ( const Geometry &size_,
const std::string &imageSpec_ )
{
size( size_ );
read( imageSpec_ );
}
// Read image from in-memory BLOB
void Magick::Image::read ( const Blob &blob_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* image =
BlobToImage( imageInfo(),
static_cast<const void *>(blob_.data()),
blob_.length(), &exceptionInfo );
replaceImage( image );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Read image of specified size from in-memory BLOB
void Magick::Image::read ( const Blob &blob_,
const Geometry &size_ )
{
// Set image size
size( size_ );
// Read from Blob
read( blob_ );
}
// Read image of specified size and depth from in-memory BLOB
void Magick::Image::read ( const Blob &blob_,
const Geometry &size_,
const size_t depth_ )
{
// Set image size
size( size_ );
// Set image depth
depth( depth_ );
// Read from Blob
read( blob_ );
}
// Read image of specified size, depth, and format from in-memory BLOB
void Magick::Image::read ( const Blob &blob_,
const Geometry &size_,
const size_t depth_,
const std::string &magick_ )
{
// Set image size
size( size_ );
// Set image depth
depth( depth_ );
// Set image magick
magick( magick_ );
// Set explicit image format
fileName( magick_ + ':');
// Read from Blob
read( blob_ );
}
// Read image of specified size, and format from in-memory BLOB
void Magick::Image::read ( const Blob &blob_,
const Geometry &size_,
const std::string &magick_ )
{
// Set image size
size( size_ );
// Set image magick
magick( magick_ );
// Set explicit image format
fileName( magick_ + ':');
// Read from Blob
read( blob_ );
}
// Read image based on raw pixels in memory (ConstituteImage)
void Magick::Image::read ( const size_t width_,
const size_t height_,
const std::string &map_,
const StorageType type_,
const void *pixels_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* image =
ConstituteImage( width_, height_, map_.c_str(), type_, pixels_,
&exceptionInfo );
replaceImage( image );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Reduce noise in image
void Magick::Image::reduceNoise ( const double order_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
StatisticImage( image(), NonpeakStatistic, (size_t) order_, (size_t) order_,
&exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Resize image
void Magick::Image::resize( const Geometry &geometry_ )
{
// Calculate new size. This code should be supported using binary arguments
// in the ImageMagick library.
ssize_t x = 0;
ssize_t y = 0;
size_t width = columns();
size_t height = rows();
ParseMetaGeometry (static_cast<std::string>(geometry_).c_str(),
&x, &y,
&width, &height );
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
ResizeImage( image(),
width,
height,
image()->filter,
&exceptionInfo);
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Roll image
void Magick::Image::roll ( const Geometry &roll_ )
{
ssize_t xOff = roll_.xOff();
if ( roll_.xNegative() )
xOff = 0 - xOff;
ssize_t yOff = roll_.yOff();
if ( roll_.yNegative() )
yOff = 0 - yOff;
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
RollImage( image(), xOff, yOff, &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
void Magick::Image::roll ( const size_t columns_,
const size_t rows_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
RollImage( image(),
static_cast<ssize_t>(columns_),
static_cast<ssize_t>(rows_), &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Rotate image
void Magick::Image::rotate ( const double degrees_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
RotateImage( image(), degrees_, &exceptionInfo);
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Sample image
void Magick::Image::sample ( const Geometry &geometry_ )
{
ssize_t x = 0;
ssize_t y = 0;
size_t width = columns();
size_t height = rows();
ParseMetaGeometry (static_cast<std::string>(geometry_).c_str(),
&x, &y,
&width, &height );
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
SampleImage( image(), width, height, &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Scale image
void Magick::Image::scale ( const Geometry &geometry_ )
{
ssize_t x = 0;
ssize_t y = 0;
size_t width = columns();
size_t height = rows();
ParseMetaGeometry (static_cast<std::string>(geometry_).c_str(),
&x, &y,
&width, &height );
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
ScaleImage( image(), width, height, &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// 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.
void Magick::Image::segment ( const double clusterThreshold_,
const double smoothingThreshold_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
modifyImage();
SegmentImage ( image(),
options()->quantizeColorSpace(),
(MagickBooleanType) options()->verbose(),
clusterThreshold_,
smoothingThreshold_, &exceptionInfo );
SyncImage( image(), &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Shade image using distant light source
void Magick::Image::shade ( const double azimuth_,
const double elevation_,
const bool colorShading_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
ShadeImage( image(),
colorShading_ == true ? MagickTrue : MagickFalse,
azimuth_,
elevation_,
&exceptionInfo);
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Simulate an image shadow
void Magick::Image::shadow( const double percent_opacity_, const double sigma_,
const ssize_t x_, const ssize_t y_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage = ShadowImage( image(), percent_opacity_, sigma_,
x_, y_, &exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Sharpen pixels in image
void Magick::Image::sharpen ( const double radius_, const double sigma_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
SharpenImage( image(),
radius_,
sigma_,
&exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
void Magick::Image::sharpenChannel ( const ChannelType channel_,
const double radius_, const double sigma_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
ChannelType channel_mask = SetImageChannelMask( image(), channel_ );
MagickCore::Image* newImage =
SharpenImage( image(),
radius_,
sigma_,
&exceptionInfo );
(void) SetPixelChannelMask( image(), channel_mask );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Shave pixels from image edges.
void Magick::Image::shave ( const Geometry &geometry_ )
{
RectangleInfo shaveInfo = geometry_;
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
ShaveImage( image(),
&shaveInfo,
&exceptionInfo);
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Shear image
void Magick::Image::shear ( const double xShearAngle_,
const double yShearAngle_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
ShearImage( image(),
xShearAngle_,
yShearAngle_,
&exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Contrast image
void Magick::Image::sigmoidalContrast ( const size_t sharpen_, const double contrast, const double midpoint )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
modifyImage();
(void) SigmoidalContrastImage( image(), (MagickBooleanType) sharpen_, contrast, midpoint, &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Solarize image (similar to effect seen when exposing a photographic
// film to light during the development process)
void Magick::Image::solarize ( const double factor_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
modifyImage();
SolarizeImage ( image(), factor_, &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Sparse color image, given a set of coordinates, interpolates the colors
// found at those coordinates, across the whole image, using various methods.
//
void Magick::Image::sparseColor ( const ChannelType channel,
const SparseColorMethod method,
const size_t number_arguments,
const double *arguments )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
ChannelType channel_mask = SetImageChannelMask( image(), channel );
MagickCore::Image* newImage = SparseColorImage ( image(), method,
number_arguments, arguments, &exceptionInfo );
(void) SetPixelChannelMask( image(), channel_mask );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Spread pixels randomly within image by specified ammount
void Magick::Image::spread ( const size_t amount_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
SpreadImage( image(),
amount_,
image()->interpolate,
&exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Add a digital watermark to the image (based on second image)
void Magick::Image::stegano ( const Image &watermark_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
SteganoImage( image(),
watermark_.constImage(),
&exceptionInfo);
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Stereo image (left image is current image)
void Magick::Image::stereo ( const Image &rightImage_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
StereoImage( image(),
rightImage_.constImage(),
&exceptionInfo);
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Swirl image
void Magick::Image::swirl ( const double degrees_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
SwirlImage( image(), degrees_, image()->interpolate,
&exceptionInfo);
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Texture image
void Magick::Image::texture ( const Image &texture_ )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
TextureImage( image(), texture_.constImage(), &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Threshold image
void Magick::Image::threshold ( const double threshold_ )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
BilevelImage( image(), threshold_, &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Transform image based on image geometry only
void Magick::Image::transform ( const Geometry &imageGeometry_ )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
TransformImage ( &(image()), 0,
std::string(imageGeometry_).c_str(), &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Transform image based on image and crop geometries
void Magick::Image::transform ( const Geometry &imageGeometry_,
const Geometry &cropGeometry_ )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
TransformImage ( &(image()), std::string(cropGeometry_).c_str(),
std::string(imageGeometry_).c_str(), &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Add matte image to image, setting pixels matching color to transparent
void Magick::Image::transparent ( const Color &color_ )
{
if ( !color_.isValid() )
{
throwExceptionExplicit( OptionError,
"Color argument is invalid" );
}
std::string color = color_;
PixelInfo target;
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
(void) QueryColorCompliance(std::string(color_).c_str(),AllCompliance,
&target,&exceptionInfo);
modifyImage();
TransparentPaintImage ( image(), &target, TransparentAlpha, MagickFalse,
&exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Add matte image to image, setting pixels matching color to transparent
void Magick::Image::transparentChroma(const Color &colorLow_,
const Color &colorHigh_)
{
if ( !colorLow_.isValid() || !colorHigh_.isValid() )
{
throwExceptionExplicit( OptionError,
"Color argument is invalid" );
}
std::string colorLow = colorLow_;
std::string colorHigh = colorHigh_;
PixelInfo targetLow;
PixelInfo targetHigh;
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
(void) QueryColorCompliance(std::string(colorLow_).c_str(),
AllCompliance,&targetLow,&exceptionInfo);
(void) QueryColorCompliance(std::string(colorHigh_).c_str(),
AllCompliance,&targetHigh,&exceptionInfo);
modifyImage();
TransparentPaintImageChroma ( image(), &targetLow, &targetHigh,
TransparentAlpha, MagickFalse, &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Trim edges that are the background color from the image
void Magick::Image::trim ( void )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
TrimImage( image(), &exceptionInfo);
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// 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 Magick::Image::unsharpmask ( const double radius_,
const double sigma_,
const double amount_,
const double threshold_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
UnsharpMaskImage( image(),
radius_,
sigma_,
amount_,
threshold_,
&exceptionInfo );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
void Magick::Image::unsharpmaskChannel ( const ChannelType channel_,
const double radius_,
const double sigma_,
const double amount_,
const double threshold_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
ChannelType channel_mask = SetImageChannelMask( image(), channel_ );
MagickCore::Image* newImage =
UnsharpMaskImage( image(),
radius_,
sigma_,
amount_,
threshold_,
&exceptionInfo );
(void) SetPixelChannelMask( image(), channel_mask );
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Map image pixels to a sine wave
void Magick::Image::wave ( const double amplitude_, const double wavelength_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
WaveImage( image(),
amplitude_,
wavelength_,
image()->interpolate,
&exceptionInfo);
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Write image to file
void Magick::Image::write( const std::string &imageSpec_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
modifyImage();
fileName( imageSpec_ );
WriteImage( imageInfo(), image(), &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Write image to in-memory BLOB
void Magick::Image::write ( Blob *blob_ )
{
modifyImage();
size_t length = 2048; // Efficient size for small images
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
void* data = ImageToBlob( imageInfo(),
image(),
&length,
&exceptionInfo);
throwException( exceptionInfo );
blob_->updateNoCopy( data, length, Blob::MallocAllocator );
throwImageException();
(void) DestroyExceptionInfo( &exceptionInfo );
}
void Magick::Image::write ( Blob *blob_,
const std::string &magick_ )
{
modifyImage();
magick(magick_);
size_t length = 2048; // Efficient size for small images
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
void* data = ImageToBlob( imageInfo(),
image(),
&length,
&exceptionInfo);
throwException( exceptionInfo );
blob_->updateNoCopy( data, length, Blob::MallocAllocator );
throwImageException();
(void) DestroyExceptionInfo( &exceptionInfo );
}
void Magick::Image::write ( Blob *blob_,
const std::string &magick_,
const size_t depth_ )
{
modifyImage();
magick(magick_);
depth(depth_);
size_t length = 2048; // Efficient size for small images
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
void* data = ImageToBlob( imageInfo(),
image(),
&length,
&exceptionInfo);
throwException( exceptionInfo );
blob_->updateNoCopy( data, length, Blob::MallocAllocator );
throwImageException();
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Write image to an array of pixels with storage type specified
// by user (ExportImagePixels), e.g.
// image.write( 0, 0, 640, 1, "RGB", 0, pixels );
void Magick::Image::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_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
ExportImagePixels( image(), x_, y_, columns_, rows_, map_.c_str(), type_,
pixels_,
&exceptionInfo);
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Zoom image
void Magick::Image::zoom( const Geometry &geometry_ )
{
// Calculate new size. This code should be supported using binary arguments
// in the ImageMagick library.
ssize_t x = 0;
ssize_t y = 0;
size_t width = columns();
size_t height = rows();
ParseMetaGeometry (static_cast<std::string>(geometry_).c_str(),
&x, &y,
&width, &height );
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
ResizeImage( image(),
width,
height,
image()->filter,
&exceptionInfo);
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
/*
* Methods for setting image attributes
*
*/
// Join images into a single multi-image file
void Magick::Image::adjoin ( const bool flag_ )
{
modifyImage();
options()->adjoin( flag_ );
}
bool Magick::Image::adjoin ( void ) const
{
return constOptions()->adjoin();
}
// Remove pixel aliasing
void Magick::Image::antiAlias( const bool flag_ )
{
modifyImage();
options()->antiAlias( static_cast<size_t>(flag_) );
}
bool Magick::Image::antiAlias( void )
{
return static_cast<bool>( options()->antiAlias( ) );
}
// Animation inter-frame delay
void Magick::Image::animationDelay ( const size_t delay_ )
{
modifyImage();
image()->delay = delay_;
}
size_t Magick::Image::animationDelay ( void ) const
{
return constImage()->delay;
}
// Number of iterations to play animation
void Magick::Image::animationIterations ( const size_t iterations_ )
{
modifyImage();
image()->iterations = iterations_;
}
size_t Magick::Image::animationIterations ( void ) const
{
return constImage()->iterations;
}
// Access/Update a named image attribute
void Magick::Image::attribute ( const std::string name_,
const std::string value_ )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
SetImageProperty( image(), name_.c_str(), value_.c_str(), &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
std::string Magick::Image::attribute ( const std::string name_ )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
const char *value = GetImageProperty( constImage(), name_.c_str(),
&exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
if ( value )
return std::string( value );
return std::string(); // Intentionally no exception
}
// Background color
void Magick::Image::backgroundColor ( const Color &backgroundColor_ )
{
modifyImage();
if ( backgroundColor_.isValid() )
{
image()->background_color = backgroundColor_;
}
else
{
image()->background_color = Color();
}
options()->backgroundColor( backgroundColor_ );
}
Magick::Color Magick::Image::backgroundColor ( void ) const
{
return constOptions()->backgroundColor( );
}
// Background fill texture
void Magick::Image::backgroundTexture ( const std::string &backgroundTexture_ )
{
modifyImage();
options()->backgroundTexture( backgroundTexture_ );
}
std::string Magick::Image::backgroundTexture ( void ) const
{
return constOptions()->backgroundTexture( );
}
// Original image columns
size_t Magick::Image::baseColumns ( void ) const
{
return constImage()->magick_columns;
}
// Original image name
std::string Magick::Image::baseFilename ( void ) const
{
return std::string(constImage()->magick_filename);
}
// Original image rows
size_t Magick::Image::baseRows ( void ) const
{
return constImage()->magick_rows;
}
// Border color
void Magick::Image::borderColor ( const Color &borderColor_ )
{
modifyImage();
if ( borderColor_.isValid() )
{
image()->border_color = borderColor_;
}
else
{
image()->border_color = Color();
}
options()->borderColor( borderColor_ );
}
Magick::Color Magick::Image::borderColor ( void ) const
{
return constOptions()->borderColor( );
}
// 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));
Magick::Geometry Magick::Image::boundingBox ( void ) const
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
RectangleInfo bbox = GetImageBoundingBox( constImage(), &exceptionInfo);
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
return Geometry( bbox );
}
// Text bounding-box base color
void Magick::Image::boxColor ( const Color &boxColor_ )
{
modifyImage();
options()->boxColor( boxColor_ );
}
Magick::Color Magick::Image::boxColor ( void ) const
{
return constOptions()->boxColor( );
}
// Pixel cache threshold. Once this threshold is exceeded, all
// subsequent pixels cache operations are to/from disk.
// This setting is shared by all Image objects.
/* static */
void Magick::Image::cacheThreshold ( const size_t threshold_ )
{
SetMagickResourceLimit( MemoryResource, threshold_ );
}
void Magick::Image::chromaBluePrimary ( const double x_, const double y_ )
{
modifyImage();
image()->chromaticity.blue_primary.x = x_;
image()->chromaticity.blue_primary.y = y_;
}
void Magick::Image::chromaBluePrimary ( double *x_, double *y_ ) const
{
*x_ = constImage()->chromaticity.blue_primary.x;
*y_ = constImage()->chromaticity.blue_primary.y;
}
void Magick::Image::chromaGreenPrimary ( const double x_, const double y_ )
{
modifyImage();
image()->chromaticity.green_primary.x = x_;
image()->chromaticity.green_primary.y = y_;
}
void Magick::Image::chromaGreenPrimary ( double *x_, double *y_ ) const
{
*x_ = constImage()->chromaticity.green_primary.x;
*y_ = constImage()->chromaticity.green_primary.y;
}
void Magick::Image::chromaRedPrimary ( const double x_, const double y_ )
{
modifyImage();
image()->chromaticity.red_primary.x = x_;
image()->chromaticity.red_primary.y = y_;
}
void Magick::Image::chromaRedPrimary ( double *x_, double *y_ ) const
{
*x_ = constImage()->chromaticity.red_primary.x;
*y_ = constImage()->chromaticity.red_primary.y;
}
void Magick::Image::chromaWhitePoint ( const double x_, const double y_ )
{
modifyImage();
image()->chromaticity.white_point.x = x_;
image()->chromaticity.white_point.y = y_;
}
void Magick::Image::chromaWhitePoint ( double *x_, double *y_ ) const
{
*x_ = constImage()->chromaticity.white_point.x;
*y_ = constImage()->chromaticity.white_point.y;
}
// Set image storage class
void Magick::Image::classType ( const ClassType class_ )
{
if ( classType() == PseudoClass && class_ == DirectClass )
{
// Use SyncImage to synchronize the DirectClass pixels with the
// color map and then set to DirectClass type.
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
SyncImage( image(), &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
image()->colormap = (PixelInfo *)
RelinquishMagickMemory( image()->colormap );
image()->storage_class = static_cast<MagickCore::ClassType>(DirectClass);
return;
}
if ( classType() == DirectClass && class_ == PseudoClass )
{
// Quantize to create PseudoClass color map
modifyImage();
quantizeColors(MaxColormapSize);
quantize();
image()->storage_class = static_cast<MagickCore::ClassType>(PseudoClass);
}
}
// 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 Magick::Image::clipMask ( const Magick::Image & clipMask_ )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
if( clipMask_.isValid() )
{
// Set clip mask
SetImageMask( image(), clipMask_.constImage(), &exceptionInfo );
}
else
{
// Unset existing clip mask
SetImageMask( image(), 0, &exceptionInfo );
}
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
Magick::Image Magick::Image::clipMask ( void ) const
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* image = GetImageMask( constImage(), &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
return Magick::Image( image );
}
void Magick::Image::colorFuzz ( const double fuzz_ )
{
modifyImage();
image()->fuzz = fuzz_;
options()->colorFuzz( fuzz_ );
}
double Magick::Image::colorFuzz ( void ) const
{
return constOptions()->colorFuzz( );
}
// Set color in colormap at index
void Magick::Image::colorMap ( const size_t index_,
const Color &color_ )
{
MagickCore::Image* imageptr = image();
if (index_ > (MaxColormapSize-1) )
throwExceptionExplicit( OptionError,
"Colormap index must be less than MaxColormapSize" );
if ( !color_.isValid() )
throwExceptionExplicit( OptionError,
"Color argument is invalid");
modifyImage();
// Ensure that colormap size is large enough
if ( colorMapSize() < (index_+1) )
colorMapSize( index_ + 1 );
// Set color at index in colormap
(imageptr->colormap)[index_] = color_;
}
// Return color in colormap at index
Magick::Color Magick::Image::colorMap ( const size_t index_ ) const
{
const MagickCore::Image* imageptr = constImage();
if ( !imageptr->colormap )
throwExceptionExplicit( OptionError,
"Image does not contain a colormap");
if ( index_ > imageptr->colors-1 )
throwExceptionExplicit( OptionError,
"Index out of range");
return Magick::Color( (imageptr->colormap)[index_] );
}
// Colormap size (number of colormap entries)
void Magick::Image::colorMapSize ( const size_t entries_ )
{
if (entries_ >MaxColormapSize )
throwExceptionExplicit( OptionError,
"Colormap entries must not exceed MaxColormapSize" );
modifyImage();
MagickCore::Image* imageptr = image();
if( !imageptr->colormap )
{
// Allocate colormap
imageptr->colormap =
static_cast<PixelInfo*>(AcquireMagickMemory(entries_*sizeof(PixelInfo)));
imageptr->colors = 0;
}
else if ( entries_ > imageptr->colors )
{
// Re-allocate colormap
imageptr->colormap=(PixelInfo *)
ResizeMagickMemory(imageptr->colormap,(entries_)*sizeof(PixelInfo));
}
// Initialize any new colormap entries as all black
Color black(0,0,0);
for( size_t i=imageptr->colors; i<(entries_-1); i++ )
(imageptr->colormap)[i] = black;
imageptr->colors = entries_;
}
size_t Magick::Image::colorMapSize ( void )
{
const MagickCore::Image* imageptr = constImage();
if ( !imageptr->colormap )
throwExceptionExplicit( OptionError,
"Image does not contain a colormap");
return imageptr->colors;
}
// Image colorspace
void Magick::Image::colorSpace( const ColorspaceType colorSpace_ )
{
if ( image()->colorspace == colorSpace_ )
return;
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
TransformImageColorspace(image(), colorSpace_, &exceptionInfo);
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
Magick::ColorspaceType Magick::Image::colorSpace ( void ) const
{
return constImage()->colorspace;
}
// Set image colorspace type.
void Magick::Image::colorspaceType( const ColorspaceType colorSpace_ )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
SetImageColorspace(image(), colorSpace_, &exceptionInfo);
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
options()->colorspaceType( colorSpace_ );
}
Magick::ColorspaceType Magick::Image::colorspaceType ( void ) const
{
return constOptions()->colorspaceType();
}
// Comment string
void Magick::Image::comment ( const std::string &comment_ )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
SetImageProperty( image(), "Comment", NULL, &exceptionInfo );
if ( comment_.length() > 0 )
SetImageProperty( image(), "Comment", comment_.c_str(), &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
std::string Magick::Image::comment ( void ) const
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
const char *value = GetImageProperty( constImage(), "Comment",
&exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
if ( value )
return std::string( value );
return std::string(); // Intentionally no exception
}
// Composition operator to be used when composition is implicitly used
// (such as for image flattening).
void Magick::Image::compose (const CompositeOperator compose_)
{
image()->compose=compose_;
}
Magick::CompositeOperator Magick::Image::compose ( void ) const
{
return constImage()->compose;
}
// Compression algorithm
void Magick::Image::compressType ( const CompressionType compressType_ )
{
modifyImage();
image()->compression = compressType_;
options()->compressType( compressType_ );
}
Magick::CompressionType Magick::Image::compressType ( void ) const
{
return constImage()->compression;
}
// Enable printing of debug messages from ImageMagick
void Magick::Image::debug ( const bool flag_ )
{
modifyImage();
options()->debug( flag_ );
}
bool Magick::Image::debug ( void ) const
{
return constOptions()->debug();
}
// 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 Magick::Image::defineValue ( const std::string &magick_,
const std::string &key_,
const std::string &value_ )
{
modifyImage();
std::string format = magick_ + ":" + key_;
std::string option = value_;
(void) SetImageOption ( imageInfo(), format.c_str(), option.c_str() );
}
std::string Magick::Image::defineValue ( const std::string &magick_,
const std::string &key_ ) const
{
std::string definition = magick_ + ":" + key_;
const char *option =
GetImageOption ( constImageInfo(), definition.c_str() );
if (option)
return std::string( option );
return std::string( );
}
// 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 Magick::Image::defineSet ( const std::string &magick_,
const std::string &key_,
bool flag_ )
{
modifyImage();
std::string definition = magick_ + ":" + key_;
if (flag_)
{
(void) SetImageOption ( imageInfo(), definition.c_str(), "" );
}
else
{
DeleteImageOption( imageInfo(), definition.c_str() );
}
}
bool Magick::Image::defineSet ( const std::string &magick_,
const std::string &key_ ) const
{
std::string key = magick_ + ":" + key_;
const char *option =
GetImageOption ( constImageInfo(), key.c_str() );
if (option)
return true;
return false;
}
// Pixel resolution
void Magick::Image::density ( const Geometry &density_ )
{
modifyImage();
options()->density( density_ );
if ( density_.isValid() )
{
image()->resolution.x = density_.width();
if ( density_.height() != 0 )
{
image()->resolution.y = density_.height();
}
else
{
image()->resolution.y = density_.width();
}
}
else
{
// Reset to default
image()->resolution.x = 0;
image()->resolution.y = 0;
}
}
Magick::Geometry Magick::Image::density ( void ) const
{
if (isValid())
{
ssize_t x_resolution=72;
ssize_t y_resolution=72;
if (constImage()->resolution.x > 0.0)
x_resolution=static_cast<ssize_t>(constImage()->resolution.x + 0.5);
if (constImage()->resolution.y > 0.0)
y_resolution=static_cast<ssize_t>(constImage()->resolution.y + 0.5);
return Geometry(x_resolution,y_resolution);
}
return constOptions()->density( );
}
// Image depth (bits allocated to red/green/blue components)
void Magick::Image::depth ( const size_t depth_ )
{
size_t depth = depth_;
if (depth > MAGICKCORE_QUANTUM_DEPTH)
depth=MAGICKCORE_QUANTUM_DEPTH;
modifyImage();
image()->depth=depth;
options()->depth( depth );
}
size_t Magick::Image::depth ( void ) const
{
return constImage()->depth;
}
std::string Magick::Image::directory ( void ) const
{
if ( constImage()->directory )
return std::string( constImage()->directory );
throwExceptionExplicit( CorruptImageWarning,
"Image does not contain a directory");
return std::string();
}
// Endianness (little like Intel or big like SPARC) for image
// formats which support endian-specific options.
void Magick::Image::endian ( const Magick::EndianType endian_ )
{
modifyImage();
options()->endian( endian_ );
image()->endian = endian_;
}
Magick::EndianType Magick::Image::endian ( void ) const
{
return constImage()->endian;
}
// EXIF profile (BLOB)
void Magick::Image::exifProfile( const Magick::Blob &exifProfile_ )
{
modifyImage();
if ( exifProfile_.data() != 0 )
{
StringInfo * exif_profile = AcquireStringInfo( exifProfile_.length() );
SetStringInfoDatum(exif_profile ,(unsigned char *) exifProfile_.data());
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
(void) SetImageProfile( image(), "exif", exif_profile, &exceptionInfo);
exif_profile =DestroyStringInfo( exif_profile );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
}
Magick::Blob Magick::Image::exifProfile( void ) const
{
const StringInfo * exif_profile = GetImageProfile( constImage(), "exif" );
if ( exif_profile == (StringInfo *) NULL)
return Blob( 0, 0 );
return Blob(GetStringInfoDatum(exif_profile),GetStringInfoLength(exif_profile));
}
// Image file name
void Magick::Image::fileName ( const std::string &fileName_ )
{
modifyImage();
fileName_.copy( image()->filename,
sizeof(image()->filename) - 1 );
image()->filename[ fileName_.length() ] = 0; // Null terminate
options()->fileName( fileName_ );
}
std::string Magick::Image::fileName ( void ) const
{
return constOptions()->fileName( );
}
// Image file size
off_t Magick::Image::fileSize ( void ) const
{
return (off_t) GetBlobSize( constImage() );
}
// Color to use when drawing inside an object
void Magick::Image::fillColor ( const Magick::Color &fillColor_ )
{
modifyImage();
options()->fillColor(fillColor_);
}
Magick::Color Magick::Image::fillColor ( void ) const
{
return constOptions()->fillColor();
}
// Rule to use when filling drawn objects
void Magick::Image::fillRule ( const Magick::FillRule &fillRule_ )
{
modifyImage();
options()->fillRule(fillRule_);
}
Magick::FillRule Magick::Image::fillRule ( void ) const
{
return constOptions()->fillRule();
}
// Pattern to use while filling drawn objects.
void Magick::Image::fillPattern ( const Image &fillPattern_ )
{
modifyImage();
if(fillPattern_.isValid())
options()->fillPattern( fillPattern_.constImage() );
else
options()->fillPattern( static_cast<MagickCore::Image*>(NULL) );
}
Magick::Image Magick::Image::fillPattern ( void ) const
{
// FIXME: This is inordinately innefficient
Image texture;
const MagickCore::Image* tmpTexture = constOptions()->fillPattern( );
if ( tmpTexture )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* image =
CloneImage( tmpTexture,
0, // columns
0, // rows
MagickTrue, // orphan
&exceptionInfo);
texture.replaceImage( image );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
return texture;
}
// Filter used by zoom
void Magick::Image::filterType ( const Magick::FilterTypes filterType_ )
{
modifyImage();
image()->filter = filterType_;
}
Magick::FilterTypes Magick::Image::filterType ( void ) const
{
return constImage()->filter;
}
// Font name
void Magick::Image::font ( const std::string &font_ )
{
modifyImage();
options()->font( font_ );
}
std::string Magick::Image::font ( void ) const
{
return constOptions()->font( );
}
// Font point size
void Magick::Image::fontPointsize ( const double pointSize_ )
{
modifyImage();
options()->fontPointsize( pointSize_ );
}
double Magick::Image::fontPointsize ( void ) const
{
return constOptions()->fontPointsize( );
}
// Font type metrics
void Magick::Image::fontTypeMetrics( const std::string &text_,
TypeMetric *metrics )
{
DrawInfo *drawInfo = options()->drawInfo();
drawInfo->text = const_cast<char *>(text_.c_str());
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
GetTypeMetrics( image(), drawInfo, &(metrics->_typeMetric), &exceptionInfo );
drawInfo->text = 0;
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Image format string
std::string Magick::Image::format ( void ) const
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
const MagickInfo * magick_info
= GetMagickInfo( constImage()->magick, &exceptionInfo);
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
if (( magick_info != 0 ) &&
( *magick_info->description != '\0' ))
return std::string(magick_info->description);
throwExceptionExplicit( CorruptImageWarning,
"Unrecognized image magick type" );
return std::string();
}
// Gamma adjustment
double Magick::Image::gamma ( void ) const
{
return constImage()->gamma;
}
Magick::Geometry Magick::Image::geometry ( void ) const
{
if ( constImage()->geometry )
{
return Geometry(constImage()->geometry);
}
throwExceptionExplicit( OptionWarning,
"Image does not contain a geometry");
return Geometry();
}
void Magick::Image::gifDisposeMethod ( const size_t disposeMethod_ )
{
modifyImage();
image()->dispose = (DisposeType) disposeMethod_;
}
size_t Magick::Image::gifDisposeMethod ( void ) const
{
// FIXME: It would be better to return an enumeration
return constImage()->dispose;
}
// ICC ICM color profile (BLOB)
void Magick::Image::iccColorProfile( const Magick::Blob &colorProfile_ )
{
profile("icm",colorProfile_);
}
Magick::Blob Magick::Image::iccColorProfile( void ) const
{
const StringInfo * color_profile = GetImageProfile( constImage(), "icc" );
if ( color_profile == (StringInfo *) NULL)
return Blob( 0, 0 );
return Blob( GetStringInfoDatum(color_profile), GetStringInfoLength(color_profile) );
}
void Magick::Image::interlaceType ( const Magick::InterlaceType interlace_ )
{
modifyImage();
image()->interlace = interlace_;
options()->interlaceType ( interlace_ );
}
Magick::InterlaceType Magick::Image::interlaceType ( void ) const
{
return constImage()->interlace;
}
// IPTC profile (BLOB)
void Magick::Image::iptcProfile( const Magick::Blob &iptcProfile_ )
{
modifyImage();
if ( iptcProfile_.data() != 0 )
{
StringInfo * iptc_profile = AcquireStringInfo( iptcProfile_.length() );
SetStringInfoDatum(iptc_profile ,(unsigned char *) iptcProfile_.data());
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
(void) SetImageProfile( image(), "iptc", iptc_profile, &exceptionInfo);
iptc_profile =DestroyStringInfo( iptc_profile );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
}
Magick::Blob Magick::Image::iptcProfile( void ) const
{
const StringInfo * iptc_profile = GetImageProfile( constImage(), "iptc" );
if ( iptc_profile == (StringInfo *) NULL)
return Blob( 0, 0 );
return Blob( GetStringInfoDatum(iptc_profile), GetStringInfoLength(iptc_profile));
}
// Does object contain valid image?
void Magick::Image::isValid ( const bool isValid_ )
{
if ( !isValid_ )
{
delete _imgRef;
_imgRef = new ImageRef;
}
else if ( !isValid() )
{
// Construct with single-pixel black image to make
// image valid. This is an obvious hack.
size( Geometry(1,1) );
read( "xc:#000000" );
}
}
bool Magick::Image::isValid ( void ) const
{
if ( rows() && columns() )
return true;
return false;
}
// Label image
void Magick::Image::label ( const std::string &label_ )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
SetImageProperty ( image(), "Label", NULL, &exceptionInfo );
if ( label_.length() > 0 )
SetImageProperty ( image(), "Label", label_.c_str(), &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
std::string Magick::Image::label ( void ) const
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
const char *value = GetImageProperty( constImage(), "Label", &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
if ( value )
return std::string( value );
return std::string();
}
void Magick::Image::magick ( const std::string &magick_ )
{
modifyImage();
magick_.copy( image()->magick,
sizeof(image()->magick) - 1 );
image()->magick[ magick_.length() ] = 0;
options()->magick( magick_ );
}
std::string Magick::Image::magick ( void ) const
{
if ( *(constImage()->magick) != '\0' )
return std::string(constImage()->magick);
return constOptions()->magick( );
}
void Magick::Image::matte ( const bool matteFlag_ )
{
modifyImage();
// If matte channel is requested, but image doesn't already have a
// matte channel, then create an opaque matte channel. Likewise, if
// the image already has a matte channel but a matte channel is not
// desired, then set the matte channel to opaque.
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
if ((matteFlag_ && !constImage()->matte) ||
(constImage()->matte && !matteFlag_))
SetImageAlpha(image(),OpaqueAlpha,&exceptionInfo);
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
image()->matte = (MagickBooleanType) matteFlag_;
}
bool Magick::Image::matte ( void ) const
{
if ( constImage()->matte )
return true;
else
return false;
}
void Magick::Image::matteColor ( const Color &matteColor_ )
{
modifyImage();
if ( matteColor_.isValid() )
{
image()->matte_color = matteColor_;
options()->matteColor( matteColor_ );
}
else
{
// Set to default matte color
Color tmpColor( "#BDBDBD" );
image()->matte_color = tmpColor;
options()->matteColor( tmpColor );
}
}
Magick::Color Magick::Image::matteColor ( void ) const
{
return Color( ClampToQuantum( constImage()->matte_color.red ),
ClampToQuantum( constImage()->matte_color.green ),
ClampToQuantum( constImage()->matte_color.blue ) );
}
double Magick::Image::meanErrorPerPixel ( void ) const
{
return(constImage()->error.mean_error_per_pixel);
}
// Image modulus depth (minimum number of bits required to support
// red/green/blue components without loss of accuracy)
void Magick::Image::modulusDepth ( const size_t depth_ )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
SetImageDepth( image(), depth_, &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
options()->depth( depth_ );
}
size_t Magick::Image::modulusDepth ( void ) const
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
size_t depth=GetImageDepth( constImage(), &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
return depth;
}
void Magick::Image::monochrome ( const bool monochromeFlag_ )
{
modifyImage();
options()->monochrome( monochromeFlag_ );
}
bool Magick::Image::monochrome ( void ) const
{
return constOptions()->monochrome( );
}
Magick::Geometry Magick::Image::montageGeometry ( void ) const
{
if ( constImage()->montage )
return Magick::Geometry(constImage()->montage);
throwExceptionExplicit( CorruptImageWarning,
"Image does not contain a montage" );
return Magick::Geometry();
}
double Magick::Image::normalizedMaxError ( void ) const
{
return(constImage()->error.normalized_maximum_error);
}
double Magick::Image::normalizedMeanError ( void ) const
{
return constImage()->error.normalized_mean_error;
}
// Image orientation
void Magick::Image::orientation ( const Magick::OrientationType orientation_ )
{
modifyImage();
image()->orientation = orientation_;
}
Magick::OrientationType Magick::Image::orientation ( void ) const
{
return constImage()->orientation;
}
void Magick::Image::penColor ( const Color &penColor_ )
{
modifyImage();
options()->fillColor(penColor_);
options()->strokeColor(penColor_);
}
Magick::Color Magick::Image::penColor ( void ) const
{
return constOptions()->fillColor();
}
void Magick::Image::penTexture ( const Image &penTexture_ )
{
modifyImage();
if(penTexture_.isValid())
options()->fillPattern( penTexture_.constImage() );
else
options()->fillPattern( static_cast<MagickCore::Image*>(NULL) );
}
Magick::Image Magick::Image::penTexture ( void ) const
{
// FIXME: This is inordinately innefficient
Image texture;
const MagickCore::Image* tmpTexture = constOptions()->fillPattern( );
if ( tmpTexture )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* image =
CloneImage( tmpTexture,
0, // columns
0, // rows
MagickTrue, // orphan
&exceptionInfo);
texture.replaceImage( image );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
return texture;
}
// Set the color of a pixel.
void Magick::Image::pixelColor ( const ssize_t x_, const ssize_t y_,
const Color &color_ )
{
// Test arguments to ensure they are within the image.
if ( y_ > (ssize_t) rows() || x_ > (ssize_t) columns() )
throwExceptionExplicit( OptionError,
"Access outside of image boundary" );
modifyImage();
// Set image to DirectClass
classType( DirectClass );
// Get pixel view
Pixels pixels(*this);
// Set pixel value
Quantum *pixel = pixels.get(x_, y_, 1, 1 );
PixelInfo packet = color_;
MagickCore::SetPixelInfoPixel(constImage(),&packet,pixel);
// Tell ImageMagick that pixels have been updated
pixels.sync();
return;
}
// Get the color of a pixel
Magick::Color Magick::Image::pixelColor ( const ssize_t x_,
const ssize_t y_ ) const
{
const Quantum* pixel = getConstPixels( x_, y_, 1, 1 );
if ( pixel )
{
PixelInfo packet;
MagickCore::GetPixelInfoPixel(constImage(),pixel,&packet);
return Color( packet );
}
return Color(); // invalid
}
// Preferred size and location of an image canvas.
void Magick::Image::page ( const Magick::Geometry &pageSize_ )
{
modifyImage();
options()->page( pageSize_ );
image()->page = pageSize_;
}
Magick::Geometry Magick::Image::page ( void ) const
{
return Geometry( constImage()->page.width,
constImage()->page.height,
AbsoluteValue(constImage()->page.x),
AbsoluteValue(constImage()->page.y),
constImage()->page.x < 0 ? true : false,
constImage()->page.y < 0 ? true : false);
}
// Add a named profile to an image or remove a named profile by
// passing an empty Blob (use default Blob constructor).
// Valid names are:
// "*", "8BIM", "ICM", "IPTC", or a generic profile name.
void Magick::Image::profile( const std::string name_,
const Magick::Blob &profile_ )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
ssize_t result = ProfileImage( image(), name_.c_str(),
(unsigned char *)profile_.data(),
profile_.length(), &exceptionInfo);
(void) result;
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Retrieve a named profile from the image.
// Valid names are:
// "8BIM", "8BIMTEXT", "APP1", "APP1JPEG", "ICC", "ICM", & "IPTC" or
// an existing generic profile name.
Magick::Blob Magick::Image::profile( const std::string name_ ) const
{
const MagickCore::Image* image = constImage();
const StringInfo * profile = GetImageProfile( image, name_.c_str() );
if ( profile != (StringInfo *) NULL)
return Blob( (void*) GetStringInfoDatum(profile), GetStringInfoLength(profile));
Blob blob;
Image temp_image = *this;
temp_image.write( &blob, name_ );
return blob;
}
void Magick::Image::quality ( const size_t quality_ )
{
modifyImage();
image()->quality = quality_;
options()->quality( quality_ );
}
size_t Magick::Image::quality ( void ) const
{
return constImage()->quality;
}
void Magick::Image::quantizeColors ( const size_t colors_ )
{
modifyImage();
options()->quantizeColors( colors_ );
}
size_t Magick::Image::quantizeColors ( void ) const
{
return constOptions()->quantizeColors( );
}
void Magick::Image::quantizeColorSpace
( const Magick::ColorspaceType colorSpace_ )
{
modifyImage();
options()->quantizeColorSpace( colorSpace_ );
}
Magick::ColorspaceType Magick::Image::quantizeColorSpace ( void ) const
{
return constOptions()->quantizeColorSpace( );
}
void Magick::Image::quantizeDither ( const bool ditherFlag_ )
{
modifyImage();
options()->quantizeDither( ditherFlag_ );
}
bool Magick::Image::quantizeDither ( void ) const
{
return constOptions()->quantizeDither( );
}
void Magick::Image::quantizeTreeDepth ( const size_t treeDepth_ )
{
modifyImage();
options()->quantizeTreeDepth( treeDepth_ );
}
size_t Magick::Image::quantizeTreeDepth ( void ) const
{
return constOptions()->quantizeTreeDepth( );
}
void Magick::Image::renderingIntent
( const Magick::RenderingIntent renderingIntent_ )
{
modifyImage();
image()->rendering_intent = renderingIntent_;
}
Magick::RenderingIntent Magick::Image::renderingIntent ( void ) const
{
return static_cast<Magick::RenderingIntent>(constImage()->rendering_intent);
}
void Magick::Image::resolutionUnits
( const Magick::ResolutionType resolutionUnits_ )
{
modifyImage();
image()->units = resolutionUnits_;
options()->resolutionUnits( resolutionUnits_ );
}
Magick::ResolutionType Magick::Image::resolutionUnits ( void ) const
{
return constOptions()->resolutionUnits( );
}
void Magick::Image::scene ( const size_t scene_ )
{
modifyImage();
image()->scene = scene_;
}
size_t Magick::Image::scene ( void ) const
{
return constImage()->scene;
}
std::string Magick::Image::signature ( const bool force_ ) const
{
Lock( &_imgRef->_mutexLock );
// Re-calculate image signature if necessary
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
if ( force_ ||
!GetImageProperty(constImage(), "Signature", &exceptionInfo) ||
constImage()->taint )
{
SignatureImage( const_cast<MagickCore::Image *>(constImage()), &exceptionInfo );
}
const char *property = GetImageProperty(constImage(), "Signature",
&exceptionInfo);
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
return std::string( property );
}
void Magick::Image::size ( const Geometry &geometry_ )
{
modifyImage();
options()->size( geometry_ );
image()->rows = geometry_.height();
image()->columns = geometry_.width();
}
Magick::Geometry Magick::Image::size ( void ) const
{
return Magick::Geometry( constImage()->columns, constImage()->rows );
}
// Splice image
void Magick::Image::splice( const Geometry &geometry_ )
{
RectangleInfo spliceInfo = geometry_;
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* newImage =
SpliceImage( image(), &spliceInfo, &exceptionInfo);
replaceImage( newImage );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Obtain image statistics. Statistics are normalized to the range of
// 0.0 to 1.0 and are output to the specified ImageStatistics
// structure.
void Magick::Image::statistics ( ImageStatistics *statistics )
{
double
maximum,
minimum;
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
ChannelType channel_mask = SetImageChannelMask( image(), RedChannel);
(void) GetImageRange( image(),&minimum,&maximum,&exceptionInfo);
statistics->red.minimum=minimum;
statistics->red.maximum=maximum;
(void) GetImageMean( image(),&statistics->red.mean,
&statistics->red.standard_deviation,&exceptionInfo);
(void) GetImageKurtosis( image(),&statistics->red.kurtosis,
&statistics->red.skewness,&exceptionInfo);
(void) SetPixelChannelMask( image(), channel_mask );
channel_mask = SetImageChannelMask( image(), GreenChannel);
(void) GetImageRange( image(),&minimum,&maximum,&exceptionInfo);
statistics->green.minimum=minimum;
statistics->green.maximum=maximum;
(void) GetImageMean( image(),&statistics->green.mean,
&statistics->green.standard_deviation,&exceptionInfo);
(void) GetImageKurtosis( image(),&statistics->green.kurtosis,
&statistics->green.skewness,&exceptionInfo);
(void) SetPixelChannelMask( image(), channel_mask );
channel_mask = SetImageChannelMask( image(), GreenChannel);
(void) GetImageRange( image(),&minimum,&maximum,&exceptionInfo);
statistics->blue.minimum=minimum;
statistics->blue.maximum=maximum;
(void) GetImageMean( image(),&statistics->blue.mean,
&statistics->blue.standard_deviation,&exceptionInfo);
(void) GetImageKurtosis( image(),&statistics->blue.kurtosis,
&statistics->blue.skewness,&exceptionInfo);
(void) SetPixelChannelMask( image(), channel_mask );
channel_mask = SetImageChannelMask( image(), AlphaChannel);
(void) GetImageRange( image(),&minimum,&maximum,&exceptionInfo);
statistics->alpha.minimum=minimum;
statistics->alpha.maximum=maximum;
(void) GetImageMean( image(),&statistics->alpha.mean,
&statistics->alpha.standard_deviation,&exceptionInfo);
(void) GetImageKurtosis( image(),&statistics->alpha.kurtosis,
&statistics->alpha.skewness,&exceptionInfo);
(void) SetPixelChannelMask( image(), channel_mask );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// Strip strips an image of all profiles and comments.
void Magick::Image::strip ( void )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
StripImage( image(), &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// enabled/disable stroke anti-aliasing
void Magick::Image::strokeAntiAlias ( const bool flag_ )
{
modifyImage();
options()->strokeAntiAlias(flag_);
}
bool Magick::Image::strokeAntiAlias ( void ) const
{
return constOptions()->strokeAntiAlias();
}
// Color to use when drawing object outlines
void Magick::Image::strokeColor ( const Magick::Color &strokeColor_ )
{
modifyImage();
options()->strokeColor(strokeColor_);
}
Magick::Color Magick::Image::strokeColor ( void ) const
{
return constOptions()->strokeColor();
}
// dash pattern for drawing vector objects (default one)
void Magick::Image::strokeDashArray ( const double* strokeDashArray_ )
{
modifyImage();
options()->strokeDashArray( strokeDashArray_ );
}
const double* Magick::Image::strokeDashArray ( void ) const
{
return constOptions()->strokeDashArray( );
}
// dash offset for drawing vector objects (default one)
void Magick::Image::strokeDashOffset ( const double strokeDashOffset_ )
{
modifyImage();
options()->strokeDashOffset( strokeDashOffset_ );
}
double Magick::Image::strokeDashOffset ( void ) const
{
return constOptions()->strokeDashOffset( );
}
// 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 Magick::Image::strokeLineCap ( const Magick::LineCap lineCap_ )
{
modifyImage();
options()->strokeLineCap( lineCap_ );
}
Magick::LineCap Magick::Image::strokeLineCap ( void ) const
{
return constOptions()->strokeLineCap( );
}
// 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 Magick::Image::strokeLineJoin ( const Magick::LineJoin lineJoin_ )
{
modifyImage();
options()->strokeLineJoin( lineJoin_ );
}
Magick::LineJoin Magick::Image::strokeLineJoin ( void ) const
{
return constOptions()->strokeLineJoin( );
}
// 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 Magick::Image::strokeMiterLimit ( const size_t strokeMiterLimit_ )
{
modifyImage();
options()->strokeMiterLimit( strokeMiterLimit_ );
}
size_t Magick::Image::strokeMiterLimit ( void ) const
{
return constOptions()->strokeMiterLimit( );
}
// Pattern to use while stroking drawn objects.
void Magick::Image::strokePattern ( const Image &strokePattern_ )
{
modifyImage();
if(strokePattern_.isValid())
options()->strokePattern( strokePattern_.constImage() );
else
options()->strokePattern( static_cast<MagickCore::Image*>(NULL) );
}
Magick::Image Magick::Image::strokePattern ( void ) const
{
// FIXME: This is inordinately innefficient
Image texture;
const MagickCore::Image* tmpTexture = constOptions()->strokePattern( );
if ( tmpTexture )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
MagickCore::Image* image =
CloneImage( tmpTexture,
0, // columns
0, // rows
MagickTrue, // orphan
&exceptionInfo);
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
texture.replaceImage( image );
}
return texture;
}
// Stroke width for drawing lines, circles, ellipses, etc.
void Magick::Image::strokeWidth ( const double strokeWidth_ )
{
modifyImage();
options()->strokeWidth( strokeWidth_ );
}
double Magick::Image::strokeWidth ( void ) const
{
return constOptions()->strokeWidth( );
}
void Magick::Image::subImage ( const size_t subImage_ )
{
modifyImage();
options()->subImage( subImage_ );
}
size_t Magick::Image::subImage ( void ) const
{
return constOptions()->subImage( );
}
void Magick::Image::subRange ( const size_t subRange_ )
{
modifyImage();
options()->subRange( subRange_ );
}
size_t Magick::Image::subRange ( void ) const
{
return constOptions()->subRange( );
}
// Annotation text encoding (e.g. "UTF-16")
void Magick::Image::textEncoding ( const std::string &encoding_ )
{
modifyImage();
options()->textEncoding( encoding_ );
}
std::string Magick::Image::textEncoding ( void ) const
{
return constOptions()->textEncoding( );
}
size_t Magick::Image::totalColors ( void )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
size_t colors = GetNumberColors( image(), 0, &exceptionInfo);
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
return colors;
}
// Origin of coordinate system to use when annotating with text or drawing
void Magick::Image::transformOrigin ( const double x_, const double y_ )
{
modifyImage();
options()->transformOrigin( x_, y_ );
}
// Rotation to use when annotating with text or drawing
void Magick::Image::transformRotation ( const double angle_ )
{
modifyImage();
options()->transformRotation( angle_ );
}
// Reset transformation parameters to default
void Magick::Image::transformReset ( void )
{
modifyImage();
options()->transformReset();
}
// Scale to use when annotating with text or drawing
void Magick::Image::transformScale ( const double sx_, const double sy_ )
{
modifyImage();
options()->transformScale( sx_, sy_ );
}
// Skew to use in X axis when annotating with text or drawing
void Magick::Image::transformSkewX ( const double skewx_ )
{
modifyImage();
options()->transformSkewX( skewx_ );
}
// Skew to use in Y axis when annotating with text or drawing
void Magick::Image::transformSkewY ( const double skewy_ )
{
modifyImage();
options()->transformSkewY( skewy_ );
}
// Image representation type
Magick::ImageType Magick::Image::type ( void ) const
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
ImageType image_type = constOptions()->type();
if ( image_type == UndefinedType )
image_type= GetImageType( constImage(), &exceptionInfo);
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
return image_type;
}
void Magick::Image::type ( const Magick::ImageType type_)
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
modifyImage();
options()->type( type_ );
SetImageType( image(), type_, &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
void Magick::Image::verbose ( const bool verboseFlag_ )
{
modifyImage();
options()->verbose( verboseFlag_ );
}
bool Magick::Image::verbose ( void ) const
{
return constOptions()->verbose( );
}
void Magick::Image::view ( const std::string &view_ )
{
modifyImage();
options()->view( view_ );
}
std::string Magick::Image::view ( void ) const
{
return constOptions()->view( );
}
// Virtual pixel method
void Magick::Image::virtualPixelMethod ( const VirtualPixelMethod virtual_pixel_method_ )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
SetImageVirtualPixelMethod( image(), virtual_pixel_method_, &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
Magick::VirtualPixelMethod Magick::Image::virtualPixelMethod ( void ) const
{
return GetImageVirtualPixelMethod( constImage() );
}
void Magick::Image::x11Display ( const std::string &display_ )
{
modifyImage();
options()->x11Display( display_ );
}
std::string Magick::Image::x11Display ( void ) const
{
return constOptions()->x11Display( );
}
double Magick::Image::xResolution ( void ) const
{
return constImage()->resolution.x;
}
double Magick::Image::yResolution ( void ) const
{
return constImage()->resolution.y;
}
// Copy Constructor
Magick::Image::Image( const Image & image_ )
: _imgRef(image_._imgRef)
{
Lock( &_imgRef->_mutexLock );
// Increase reference count
++_imgRef->_refCount;
}
// Assignment operator
Magick::Image& Magick::Image::operator=( const Magick::Image &image_ )
{
if( this != &image_ )
{
{
Lock( &image_._imgRef->_mutexLock );
++image_._imgRef->_refCount;
}
bool doDelete = false;
{
Lock( &_imgRef->_mutexLock );
if ( --_imgRef->_refCount == 0 )
doDelete = true;
}
if ( doDelete )
{
// Delete old image reference with associated image and options.
delete _imgRef;
_imgRef = 0;
}
// Use new image reference
_imgRef = image_._imgRef;
}
return *this;
}
//////////////////////////////////////////////////////////////////////
//
// Low-level Pixel Access Routines
//
// Also see the Pixels class, which provides support for multiple
// cache views. The low-level pixel access routines in the Image
// class are provided in order to support backward compatability.
//
//////////////////////////////////////////////////////////////////////
// Transfers read-only pixels from the image to the pixel cache as
// defined by the specified region
const Magick::Quantum* Magick::Image::getConstPixels
( const ssize_t x_, const ssize_t y_,
const size_t columns_,
const size_t rows_ ) const
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
const Quantum* p = (*GetVirtualPixels)( constImage(),
x_, y_,
columns_, rows_,
&exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
return p;
}
// Obtain read-only pixel associated pixels channels
const void* Magick::Image::getConstMetacontent ( void ) const
{
const void* result = GetVirtualMetacontent( constImage() );
if( !result )
throwImageException();
return result;
}
// Obtain image pixel associated pixels channels
void* Magick::Image::getMetacontent ( void )
{
void* result = GetAuthenticMetacontent( image() );
if( !result )
throwImageException();
return ( result );
}
// 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.
Magick::Quantum* Magick::Image::getPixels ( const ssize_t x_, const ssize_t y_,
const size_t columns_,
const size_t rows_ )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
Quantum* result = (*GetAuthenticPixels)( image(),
x_, y_,
columns_, rows_, &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
return result;
}
// 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.
Magick::Quantum* Magick::Image::setPixels ( const ssize_t x_, const ssize_t y_,
const size_t columns_,
const size_t rows_ )
{
modifyImage();
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
Quantum* result = (*QueueAuthenticPixels)( image(),
x_, y_,
columns_, rows_, &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
return result;
}
// Transfers the image cache pixels to the image.
void Magick::Image::syncPixels ( void )
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
(*SyncAuthenticPixels)( image(), &exceptionInfo );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
// 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 Magick::Image::readPixels ( const Magick::QuantumType quantum_,
const unsigned char *source_ )
{
QuantumInfo
*quantum_info;
quantum_info=AcquireQuantumInfo(imageInfo(),image());
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
ImportQuantumPixels(image(),(MagickCore::CacheView *) NULL,quantum_info,
quantum_,source_, &exceptionInfo);
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
quantum_info=DestroyQuantumInfo(quantum_info);
}
// Transfers one or more pixel components from the image pixel
// cache to a buffer or file.
// Used to support image encoders.
void Magick::Image::writePixels ( const Magick::QuantumType quantum_,
unsigned char *destination_ )
{
QuantumInfo
*quantum_info;
quantum_info=AcquireQuantumInfo(imageInfo(),image());
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
ExportQuantumPixels(image(),(MagickCore::CacheView *) NULL,quantum_info,
quantum_,destination_, &exceptionInfo);
quantum_info=DestroyQuantumInfo(quantum_info);
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
/////////////////////////////////////////////////////////////////////
//
// No end-user methods beyond this point
//
/////////////////////////////////////////////////////////////////////
//
// Construct using existing image and default options
//
Magick::Image::Image ( MagickCore::Image* image_ )
: _imgRef(new ImageRef( image_))
{
}
// Get Magick::Options*
Magick::Options* Magick::Image::options( void )
{
return _imgRef->options();
}
const Magick::Options* Magick::Image::constOptions( void ) const
{
return _imgRef->options();
}
// Get MagickCore::Image*
MagickCore::Image*& Magick::Image::image( void )
{
return _imgRef->image();
}
const MagickCore::Image* Magick::Image::constImage( void ) const
{
return _imgRef->image();
}
// Get ImageInfo *
MagickCore::ImageInfo* Magick::Image::imageInfo( void )
{
return _imgRef->options()->imageInfo();
}
const MagickCore::ImageInfo * Magick::Image::constImageInfo( void ) const
{
return _imgRef->options()->imageInfo();
}
// Get QuantizeInfo *
MagickCore::QuantizeInfo* Magick::Image::quantizeInfo( void )
{
return _imgRef->options()->quantizeInfo();
}
const MagickCore::QuantizeInfo * Magick::Image::constQuantizeInfo( void ) const
{
return _imgRef->options()->quantizeInfo();
}
//
// Replace current image
//
MagickCore::Image * Magick::Image::replaceImage
( MagickCore::Image* replacement_ )
{
MagickCore::Image* image;
if( replacement_ )
image = replacement_;
else
{
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
image = AcquireImage(constImageInfo(), &exceptionInfo);
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
{
Lock( &_imgRef->_mutexLock );
if ( _imgRef->_refCount == 1 )
{
// We own the image, just replace it, and de-register
_imgRef->id( -1 );
_imgRef->image(image);
}
else
{
// We don't own the image, dereference and replace with copy
--_imgRef->_refCount;
_imgRef = new ImageRef( image, constOptions() );
}
}
return _imgRef->_image;
}
//
// Prepare to modify image or image options
// Replace current image and options with copy if reference count > 1
//
void Magick::Image::modifyImage( void )
{
{
Lock( &_imgRef->_mutexLock );
if ( _imgRef->_refCount == 1 )
{
// De-register image and return
_imgRef->id( -1 );
return;
}
}
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
replaceImage( CloneImage( image(),
0, // columns
0, // rows
MagickTrue, // orphan
&exceptionInfo) );
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
return;
}
//
// Test for an ImageMagick reported error and throw exception if one
// has been reported. Secretly resets image->exception back to default
// state even though this method is const.
//
void Magick::Image::throwImageException( void ) const
{
// Throw C++ exception while resetting Image exception to default state
}
// Register image with image registry or obtain registration id
ssize_t Magick::Image::registerId( void )
{
Lock( &_imgRef->_mutexLock );
if( _imgRef->id() < 0 )
{
char id[MaxTextExtent];
ExceptionInfo exceptionInfo;
GetExceptionInfo( &exceptionInfo );
_imgRef->id(_imgRef->id()+1);
sprintf(id,"%.20g\n",(double) _imgRef->id());
SetImageRegistry(ImageRegistryType, id, image(), &exceptionInfo);
throwException( exceptionInfo );
(void) DestroyExceptionInfo( &exceptionInfo );
}
return _imgRef->id();
}
// Unregister image from image registry
void Magick::Image::unregisterId( void )
{
modifyImage();
_imgRef->id( -1 );
}
//
// Create a local wrapper around MagickCoreTerminus
//
namespace Magick
{
extern "C" {
void MagickPlusPlusDestroyMagick(void);
}
}
void Magick::MagickPlusPlusDestroyMagick(void)
{
if (magick_initialized)
{
magick_initialized=false;
MagickCore::MagickCoreTerminus();
}
}
// C library initialization routine
void MagickPPExport Magick::InitializeMagick(const char *path_)
{
MagickCore::MagickCoreGenesis(path_,MagickFalse);
if (!magick_initialized)
magick_initialized=true;
}
//
// Cleanup class to ensure that ImageMagick singletons are destroyed
// so as to avoid any resemblence to a memory leak (which seems to
// confuse users)
//
namespace Magick
{
class MagickCleanUp
{
public:
MagickCleanUp( void );
~MagickCleanUp( void );
};
// The destructor for this object is invoked when the destructors for
// static objects in this translation unit are invoked.
static MagickCleanUp magickCleanUpGuard;
}
Magick::MagickCleanUp::MagickCleanUp ( void )
{
// Don't even think about invoking InitializeMagick here!
}
Magick::MagickCleanUp::~MagickCleanUp ( void )
{
MagickPlusPlusDestroyMagick();
}