/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t O n e C a c h e V i e w A u t h e n t i c P i x e l %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetOneCacheViewAuthenticPixel() returns a single pixel at the specified (x,y)
% location. The image background color is returned if an error occurs.
%
% The format of the GetOneCacheViewAuthenticPixel method is:
%
% MagickBooleaNType GetOneCacheViewAuthenticPixel(
% const CacheView *cache_view,const ssize_t x,const ssize_t y,
% Pixelpacket *pixel,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o cache_view: the cache view.
%
% o x,y: These values define the offset of the pixel.
%
% o pixel: return a pixel at the specified (x,y) location.
%
% o exception: return any errors or warnings in this structure.
%
*/
MagickExport MagickBooleanType GetOneCacheViewAuthenticPixel(
const CacheView *cache_view,const ssize_t x,const ssize_t y,PixelPacket *pixel,
ExceptionInfo *exception)
{
Cache
cache;
ssize_t
id;
PixelPacket
*pixels;
assert(cache_view != (CacheView *) NULL);
assert(cache_view->signature == MagickSignature);
if (cache_view->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
cache_view->image->filename);
cache=GetImagePixelCache(cache_view->image,MagickTrue,exception);
if (cache == (Cache) NULL)
return(MagickFalse);
*pixel=cache_view->image->background_color;
id=GetOpenMPThreadId();
assert(id < (ssize_t) cache_view->number_threads);
pixels=GetAuthenticPixelCacheNexus(cache_view->image,x,y,1,1,
cache_view->nexus_info[id],exception);
if (pixels == (const PixelPacket *) NULL)
return(MagickFalse);
*pixel=(*pixels);
return(MagickTrue);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t C a c h e V i e w A u t h e n t i c P i x e l s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetCacheViewAuthenticPixels() gets pixels from the in-memory or disk pixel
% cache as defined by the geometry parameters. A pointer to the pixels is
% returned if the pixels are transferred, otherwise a NULL is returned.
%
% The format of the GetCacheViewAuthenticPixels method is:
%
% PixelPacket *GetCacheViewAuthenticPixels(CacheView *cache_view,
% const ssize_t x,const ssize_t y,const size_t columns,
% const size_t rows,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o cache_view: the cache view.
%
% o x,y,columns,rows: These values define the perimeter of a region of
% pixels.
%
*/
MagickExport PixelPacket *GetCacheViewAuthenticPixels(CacheView *cache_view,
const ssize_t x,const ssize_t y,const size_t columns,
const size_t rows,ExceptionInfo *exception)
{
Cache
cache;
ssize_t
id;
PixelPacket
*pixels;
assert(cache_view != (CacheView *) NULL);
assert(cache_view->signature == MagickSignature);
if (cache_view->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
cache_view->image->filename);
cache=GetImagePixelCache(cache_view->image,MagickTrue,exception);
if (cache == (Cache) NULL)
return((PixelPacket *) NULL);
id=GetOpenMPThreadId();
assert(id < (ssize_t) cache_view->number_threads);
pixels=GetAuthenticPixelCacheNexus(cache_view->image,x,y,columns,rows,
cache_view->nexus_info[id],exception);
return(pixels);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t C a c h e V i e w A u t h e n t i c P i x e l s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetCacheViewAuthenticPixels() gets pixels from the in-memory or disk pixel
% cache as defined by the geometry parameters. A pointer to the pixels is
% returned if the pixels are transferred, otherwise a NULL is returned.
%
% The format of the GetCacheViewAuthenticPixels method is:
%
% PixelPacket *GetCacheViewAuthenticPixels(CacheView *cache_view,
% const ssize_t x,const ssize_t y,const size_t columns,
% const size_t rows,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o cache_view: the cache view.
%
% o x,y,columns,rows: These values define the perimeter of a region of
% pixels.
%
*/
MagickExport PixelPacket *GetCacheViewAuthenticPixels(CacheView *cache_view,
const ssize_t x,const ssize_t y,const size_t columns,const size_t rows,
ExceptionInfo *exception)
{
const int
id = GetOpenMPThreadId();
assert(cache_view != (CacheView *) NULL);
assert(cache_view->signature == MagickSignature);
assert(id < (int) cache_view->number_threads);
return(GetAuthenticPixelCacheNexus(cache_view->image,x,y,columns,rows,
cache_view->nexus_info[id],exception));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t O n e C a c h e V i e w A u t h e n t i c P i x e l %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetOneCacheViewAuthenticPixel() returns a single pixel at the specified (x,y)
% location. The image background color is returned if an error occurs.
%
% The format of the GetOneCacheViewAuthenticPixel method is:
%
% MagickBooleaNType GetOneCacheViewAuthenticPixel(
% const CacheView *cache_view,const ssize_t x,const ssize_t y,
% Pixelpacket *pixel,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o cache_view: the cache view.
%
% o x,y: These values define the offset of the pixel.
%
% o pixel: return a pixel at the specified (x,y) location.
%
% o exception: return any errors or warnings in this structure.
%
*/
MagickExport MagickBooleanType GetOneCacheViewAuthenticPixel(
const CacheView *cache_view,const ssize_t x,const ssize_t y,
PixelPacket *pixel,ExceptionInfo *exception)
{
const int
id = GetOpenMPThreadId();
PixelPacket
*pixels;
assert(cache_view != (CacheView *) NULL);
assert(cache_view->signature == MagickSignature);
*pixel=cache_view->image->background_color;
assert(id < (int) cache_view->number_threads);
pixels=GetAuthenticPixelCacheNexus(cache_view->image,x,y,1,1,
cache_view->nexus_info[id],exception);
if (pixels == (const PixelPacket *) NULL)
return(MagickFalse);
*pixel=(*pixels);
return(MagickTrue);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t O n e C a c h e V i e w A u t h e n t i c P i x e l %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetOneCacheViewAuthenticPixel() returns a single pixel at the specified (x,y)
% location. The image background color is returned if an error occurs.
%
% The format of the GetOneCacheViewAuthenticPixel method is:
%
% MagickBooleaNType GetOneCacheViewAuthenticPixel(
% const CacheView *cache_view,const ssize_t x,const ssize_t y,
% Quantum *pixel,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o cache_view: the cache view.
%
% o x,y: These values define the offset of the pixel.
%
% o pixel: return a pixel at the specified (x,y) location.
%
% o exception: return any errors or warnings in this structure.
%
*/
MagickExport MagickBooleanType GetOneCacheViewAuthenticPixel(
const CacheView *cache_view,const ssize_t x,const ssize_t y,Quantum *pixel,
ExceptionInfo *exception)
{
const int
id = GetOpenMPThreadId();
Quantum
*magick_restrict q;
register ssize_t
i;
assert(cache_view != (CacheView *) NULL);
assert(cache_view->signature == MagickCoreSignature);
assert(id < (int) cache_view->number_threads);
(void) memset(pixel,0,MaxPixelChannels*sizeof(*pixel));
q=GetAuthenticPixelCacheNexus(cache_view->image,x,y,1,1,
cache_view->nexus_info[id],exception);
if (q == (const Quantum *) NULL)
{
PixelInfo
background_color;
background_color=cache_view->image->background_color;
pixel[RedPixelChannel]=ClampToQuantum(background_color.red);
pixel[GreenPixelChannel]=ClampToQuantum(background_color.green);
pixel[BluePixelChannel]=ClampToQuantum(background_color.blue);
pixel[BlackPixelChannel]=ClampToQuantum(background_color.black);
pixel[AlphaPixelChannel]=ClampToQuantum(background_color.alpha);
return(MagickFalse);
}
for (i=0; i < (ssize_t) GetPixelChannels(cache_view->image); i++)
{
PixelChannel channel=GetPixelChannelChannel(cache_view->image,i);
pixel[channel]=q[i];
}
return(MagickTrue);
}
*/
MagickExport MagickBooleanType GetOneCacheViewAuthenticPixel(
const CacheView *restrict cache_view,const ssize_t x,const ssize_t y,
PixelPacket *restrict pixel,ExceptionInfo *exception)
{
const int
id = GetOpenMPThreadId();
PixelPacket
*restrict pixels;
assert(cache_view != (CacheView *) NULL);
assert(cache_view->signature == MagickSignature);
*pixel=cache_view->image->background_color;
assert(id < (int) cache_view->number_threads);
pixels=GetAuthenticPixelCacheNexus(cache_view->image,x,y,1,1,
cache_view->nexus_info[id],exception);
if (pixels == (const PixelPacket *) NULL)
return(MagickFalse);
*pixel=(*pixels);
return(MagickTrue);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t C a c h e V i e w A u t h e n t i c I n d e x Q u e u e %
% %
% %
% %
