Lines Matching defs:pixel

58 #include "MagickCore/pixel-accessor.h"
100 % AcquireAuthenticCacheView() acquires an authentic view into the pixel cache.
137 % AcquireVirtualCacheView() acquires a virtual view into the pixel cache,
286 % GetCacheViewAuthenticPixels() gets pixels from the in-memory or disk pixel
647 % disk pixel cache as defined by the geometry parameters. A pointer to the
698 % GetOneCacheViewAuthenticPixel() returns a single pixel at the specified (x,y)
705 % Quantum *pixel,ExceptionInfo *exception)
711 % o x,y: These values define the offset of the pixel.
713 % o pixel: return a pixel at the specified (x,y) location.
719 const CacheView *cache_view,const ssize_t x,const ssize_t y,Quantum *pixel,
734 (void) memset(pixel,0,MaxPixelChannels*sizeof(*pixel));
743 pixel[RedPixelChannel]=ClampToQuantum(background_color.red);
744 pixel[GreenPixelChannel]=ClampToQuantum(background_color.green);
745 pixel[BluePixelChannel]=ClampToQuantum(background_color.blue);
746 pixel[BlackPixelChannel]=ClampToQuantum(background_color.black);
747 pixel[AlphaPixelChannel]=ClampToQuantum(background_color.alpha);
753 pixel[channel]=q[i];
770 % GetOneCacheViewVirtualPixel() returns a single pixel at the specified (x,y)
772 % you plan to modify the pixel, use GetOneCacheViewAuthenticPixel() instead.
778 % Quantum *pixel,ExceptionInfo *exception)
784 % o x,y: These values define the offset of the pixel.
786 % o pixel: return a pixel at the specified (x,y) location.
792 const CacheView *cache_view,const ssize_t x,const ssize_t y,Quantum *pixel,
807 (void) memset(pixel,0,MaxPixelChannels*sizeof(*pixel));
817 pixel[RedPixelChannel]=ClampToQuantum(background_color.red);
818 pixel[GreenPixelChannel]=ClampToQuantum(background_color.green);
819 pixel[BluePixelChannel]=ClampToQuantum(background_color.blue);
820 pixel[BlackPixelChannel]=ClampToQuantum(background_color.black);
821 pixel[AlphaPixelChannel]=ClampToQuantum(background_color.alpha);
827 pixel[channel]=p[i];
844 % GetOneCacheViewVirtualPixelInfo() returns a single pixel at the specified
846 % If you plan to modify the pixel, use GetOneCacheViewAuthenticPixel() instead.
852 % PixelInfo *pixel,ExceptionInfo *exception)
858 % o x,y: These values define the offset of the pixel.
860 % o pixel: return a pixel at the specified (x,y) location.
866 const CacheView *cache_view,const ssize_t x,const ssize_t y,PixelInfo *pixel,
878 GetPixelInfo(cache_view->image,pixel);
884 GetPixelInfoPixel(cache_view->image,p,pixel);
900 % GetOneCacheViewVirtualMethodPixel() returns a single virtual pixel at
902 % error occurs. If you plan to modify the pixel, use
910 % const ssize_t y,Quantum *pixel,ExceptionInfo *exception)
916 % o virtual_pixel_method: the virtual pixel method.
918 % o x,y: These values define the offset of the pixel.
920 % o pixel: return a pixel at the specified (x,y) location.
927 const ssize_t x,const ssize_t y,Quantum *pixel,ExceptionInfo *exception)
941 (void) memset(pixel,0,MaxPixelChannels*sizeof(*pixel));
950 pixel[RedPixelChannel]=ClampToQuantum(background_color.red);
951 pixel[GreenPixelChannel]=ClampToQuantum(background_color.green);
952 pixel[BluePixelChannel]=ClampToQuantum(background_color.blue);
953 pixel[BlackPixelChannel]=ClampToQuantum(background_color.black);
954 pixel[AlphaPixelChannel]=ClampToQuantum(background_color.alpha);
960 pixel[channel]=p[i];
978 % disk pixel cache as defined by the geometry parameters. A pointer to the
1068 % SetCacheViewVirtualPixelMethod() sets the virtual pixel method associated
1080 % o virtual_pixel_method: the virtual pixel method.
1109 % or disk cache. It returns MagickTrue if the pixel region is flushed,