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Magick::Pixels Class Reference

#include <Pixels.h>

Collaboration diagram for Magick::Pixels:

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Public Member Functions

 Pixels (Magick::Image &image_)
 ~Pixels (void)
PixelPacket * get (const int x_, const int y_, const unsigned int columns_, const unsigned int rows_)
const PixelPacket * getConst (const int x_, const int y_, const unsigned int columns_, const unsigned int rows_)
void sync (void)
PixelPacket * set (const int x_, const int y_, const unsigned int columns_, const unsigned int rows_)
IndexPacket * indexes (void)
int x (void) const
int y (void) const
unsigned int columns (void) const
unsigned int rows (void) const
 Pixels (Magick::Image &image_)
 ~Pixels (void)
PixelPacket * get (const int x_, const int y_, const unsigned int columns_, const unsigned int rows_)
const PixelPacket * getConst (const int x_, const int y_, const unsigned int columns_, const unsigned int rows_)
void sync (void)
PixelPacket * set (const int x_, const int y_, const unsigned int columns_, const unsigned int rows_)
IndexPacket * indexes (void)
int x (void) const
int y (void) const
unsigned int columns (void) const
unsigned int rows (void) const

Private Member Functions

 Pixels (const Pixels &pixels_)
const Pixels & operator= (const Pixels &pixels_)
 Pixels (const Pixels &pixels_)
const Pixels & operator= (const Pixels &pixels_)

Private Attributes

Magick::Image _image
MagickLib::ViewInfo * _view
int _x
int _y
unsigned int _columns
unsigned int _rows
MagickLib::ViewInfo * _view

Constructor & Destructor Documentation

Magick::Pixels::Pixels (  Magick::Image &  image_  ) 
 

Definition at line 23 of file Pixels.cpp.

References _image, _view, OpenCacheView(), Pixels(), and Magick::Image::throwImageException().

Referenced by Pixels(). 

00024   : _image(image_),
00025     _view(OpenCacheView(_image.image())),
00026     _x(0),
00027     _y(0),
00028     _columns(0),
00029     _rows(0)
00030 {
00031   if (!_view)
00032     _image.throwImageException();
00033 }

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Magick::Pixels::~Pixels (  void   ) 
 

Definition at line 36 of file Pixels.cpp.

References _view, and CloseCacheView(). 

00037 {
00038   if ( _view )
00039     CloseCacheView( _view );
00040 }

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Magick::Pixels::Pixels (  const Pixels &  pixels_  )  [private]
 

Magick::Pixels::Pixels (  Magick::Image &  image_  ) 
 

Magick::Pixels::~Pixels (  void   ) 
 

Magick::Pixels::Pixels (  const Pixels &  pixels_  )  [private]
 

Member Function Documentation

unsigned int Magick::Pixels::columns (  void   )  const
 

unsigned int Magick::Pixels::columns (  void   )  const [inline]
 

Definition at line 115 of file Pixels.h.

References _columns. 

00116 {
00117   return _columns;
00118 }

PixelPacket* Magick::Pixels::get (  const int  x_,
const int  y_,
const unsigned int  columns_,
const unsigned int  rows_
) 
 

Magick::PixelPacket * Magick::Pixels::get (  const int  x_,
const int  y_,
const unsigned int  columns_,
const unsigned int  rows_
) 
 

Definition at line 45 of file Pixels.cpp.

References _columns, _image, _rows, _view, _x, _y, get(), GetCacheView(), PixelPacket, and Magick::Image::throwImageException().

Referenced by Magick::Image::floodFillTexture(), get(), and Magick::Image::pixelColor(). 

00049 {
00050   _x = x_;
00051   _y = y_;
00052   _columns = columns_;
00053   _rows = rows_;
00054 
00055   PixelPacket* pixels = GetCacheView( _view, x_, y_, columns_, rows_ );
00056 
00057   if ( !pixels )
00058     _image.throwImageException();
00059   
00060   return pixels;
00061 }

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const PixelPacket* Magick::Pixels::getConst (  const int  x_,
const int  y_,
const unsigned int  columns_,
const unsigned int  rows_
) 
 

const Magick::PixelPacket * Magick::Pixels::getConst (  const int  x_,
const int  y_,
const unsigned int  columns_,
const unsigned int  rows_
) 
 

Definition at line 65 of file Pixels.cpp.

References _columns, _rows, _view, _x, _y, AcquireCacheView(), DestroyExceptionInfo(), ExceptionInfo, getConst(), GetExceptionInfo(), PixelPacket, and Magick::throwException().

Referenced by getConst(). 

00068 {
00069   _x = x_;
00070   _y = y_;
00071   _columns = columns_;
00072   _rows = rows_;
00073 
00074   ExceptionInfo exception;
00075   GetExceptionInfo( &exception );
00076 
00077   const PixelPacket* pixels =
00078     AcquireCacheView(_view, x_, y_, columns_, rows_, &exception );
00079 
00080   if ( !pixels )
00081     throwException( exception );
00082 
00083   DestroyExceptionInfo( &exception );
00084 
00085     return pixels;
00086 }

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IndexPacket* Magick::Pixels::indexes (  void   ) 
 

Magick::IndexPacket * Magick::Pixels::indexes (  void   ) 
 

Definition at line 117 of file Pixels.cpp.

References _image, _view, GetCacheViewIndexes(), IndexPacket, and Magick::Image::throwImageException(). 

00118 {
00119   IndexPacket* pixel_indexes = GetCacheViewIndexes( _view );
00120 
00121   if ( !pixel_indexes )
00122     _image.throwImageException();
00123 
00124   return pixel_indexes;
00125 }

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const Pixels& Magick::Pixels::operator= (  const Pixels &  pixels_  )  [private]
 

const Pixels& Magick::Pixels::operator= (  const Pixels &  pixels_  )  [private]
 

unsigned int Magick::Pixels::rows (  void   )  const
 

unsigned int Magick::Pixels::rows (  void   )  const [inline]
 

Definition at line 121 of file Pixels.h.

References _rows. 

00122 {
00123   return _rows;
00124 }

PixelPacket* Magick::Pixels::set (  const int  x_,
const int  y_,
const unsigned int  columns_,
const unsigned int  rows_
) 
 

Magick::PixelPacket * Magick::Pixels::set (  const int  x_,
const int  y_,
const unsigned int  columns_,
const unsigned int  rows_
) 
 

Definition at line 98 of file Pixels.cpp.

References _columns, _image, _rows, _view, _x, _y, PixelPacket, set(), SetCacheView(), and Magick::Image::throwImageException().

Referenced by set(). 

00102 {
00103   _x = x_;
00104   _y = y_;
00105   _columns = columns_;
00106   _rows = rows_;
00107 
00108   PixelPacket* pixels = SetCacheView( _view, static_cast<long>(x_), static_cast<long>(y_),
00109                                       columns_, rows_ );
00110   if ( !pixels )
00111     _image.throwImageException();
00112   
00113   return pixels;
00114 }

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void Magick::Pixels::sync (  void   ) 
 

void Magick::Pixels::sync (  void   ) 
 

Definition at line 89 of file Pixels.cpp.

References _image, _view, SyncCacheView(), and Magick::Image::throwImageException().

Referenced by Magick::Image::pixelColor(). 

00090 {
00091   if( !SyncCacheView( _view ) )
00092     _image.throwImageException();
00093 }

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int Magick::Pixels::x (  void   )  const
 

int Magick::Pixels::x (  void   )  const [inline]
 

Definition at line 103 of file Pixels.h.

References _x. 

00104 {
00105   return _x;
00106 }

int Magick::Pixels::y (  void   )  const
 

int Magick::Pixels::y (  void   )  const [inline]
 

Definition at line 109 of file Pixels.h.

References _y. 

00110 {
00111   return _y;
00112 }

Field Documentation

unsigned int Magick::Pixels::_columns [private]
 

Definition at line 91 of file Pixels.h.

Referenced by columns(), get(), getConst(), and set().

Magick::Image Magick::Pixels::_image [private]
 

Definition at line 87 of file Pixels.h.

Referenced by get(), indexes(), Pixels(), set(), and sync().

unsigned int Magick::Pixels::_rows [private]
 

Definition at line 92 of file Pixels.h.

Referenced by get(), getConst(), rows(), and set().

MagickLib::ViewInfo* Magick::Pixels::_view [private]
 

Definition at line 88 of file Pixels.h.

MagickLib::ViewInfo* Magick::Pixels::_view [private]
 

Definition at line 88 of file Pixels.h.

Referenced by get(), getConst(), indexes(), Pixels(), set(), sync(), and ~Pixels().

int Magick::Pixels::_x [private]
 

Definition at line 89 of file Pixels.h.

Referenced by get(), getConst(), set(), and x().

int Magick::Pixels::_y [private]
 

Definition at line 90 of file Pixels.h.

Referenced by get(), getConst(), set(), and y().

The documentation for this class was generated from the following files:
Generated on Mon Oct 25 13:48:14 2004 for ImageMagick by doxygen 1.3.7
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