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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% SSSSS TTTTT RRRR EEEEE AAA M M %
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% SS T R R E A A MM MM %
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% SSS T RRRR EEE AAAAA M M M %
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% SS T R R E A A M M %
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% SSSSS T R R EEEEE A A M M %
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% %
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% %
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% MagickCore Pixel Stream Methods %
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% %
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% Software Design %
|
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% Cristy %
|
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% March 2000 %
|
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% %
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% %
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% Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization %
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% dedicated to making software imaging solutions freely available. %
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% %
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% You may not use this file except in compliance with the License. You may %
|
|
|
% obtain a copy of the License at %
|
|
|
% %
|
|
|
% https://imagemagick.org/script/license.php %
|
|
|
% %
|
|
|
% Unless required by applicable law or agreed to in writing, software %
|
|
|
% distributed under the License is distributed on an "AS IS" BASIS, %
|
|
|
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
|
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|
% See the License for the specific language governing permissions and %
|
|
|
% limitations under the License. %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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%
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%
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|
*/
|
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|
/*
|
|
|
Include declarations.
|
|
|
*/
|
|
|
#include "MagickCore/studio.h"
|
|
|
#include "MagickCore/blob.h"
|
|
|
#include "MagickCore/blob-private.h"
|
|
|
#include "MagickCore/cache.h"
|
|
|
#include "MagickCore/cache-private.h"
|
|
|
#include "MagickCore/color-private.h"
|
|
|
#include "MagickCore/composite-private.h"
|
|
|
#include "MagickCore/constitute.h"
|
|
|
#include "MagickCore/exception.h"
|
|
|
#include "MagickCore/exception-private.h"
|
|
|
#include "MagickCore/geometry.h"
|
|
|
#include "MagickCore/memory_.h"
|
|
|
#include "MagickCore/memory-private.h"
|
|
|
#include "MagickCore/pixel.h"
|
|
|
#include "MagickCore/pixel-accessor.h"
|
|
|
#include "MagickCore/policy.h"
|
|
|
#include "MagickCore/quantum.h"
|
|
|
#include "MagickCore/quantum-private.h"
|
|
|
#include "MagickCore/semaphore.h"
|
|
|
#include "MagickCore/stream.h"
|
|
|
#include "MagickCore/stream-private.h"
|
|
|
#include "MagickCore/string_.h"
|
|
|
|
|
|
/*
|
|
|
Typedef declaractions.
|
|
|
*/
|
|
|
struct _StreamInfo
|
|
|
{
|
|
|
const ImageInfo
|
|
|
*image_info;
|
|
|
|
|
|
const Image
|
|
|
*image;
|
|
|
|
|
|
Image
|
|
|
*stream;
|
|
|
|
|
|
QuantumInfo
|
|
|
*quantum_info;
|
|
|
|
|
|
char
|
|
|
*map;
|
|
|
|
|
|
StorageType
|
|
|
storage_type;
|
|
|
|
|
|
unsigned char
|
|
|
*pixels;
|
|
|
|
|
|
RectangleInfo
|
|
|
extract_info;
|
|
|
|
|
|
ssize_t
|
|
|
y;
|
|
|
|
|
|
ExceptionInfo
|
|
|
*exception;
|
|
|
|
|
|
const void
|
|
|
*client_data;
|
|
|
|
|
|
size_t
|
|
|
signature;
|
|
|
};
|
|
|
|
|
|
/*
|
|
|
Declare pixel cache interfaces.
|
|
|
*/
|
|
|
#if defined(__cplusplus) || defined(c_plusplus)
|
|
|
extern "C" {
|
|
|
#endif
|
|
|
|
|
|
static const Quantum
|
|
|
*GetVirtualPixelStream(const Image *,const VirtualPixelMethod,const ssize_t,
|
|
|
const ssize_t,const size_t,const size_t,ExceptionInfo *);
|
|
|
|
|
|
static MagickBooleanType
|
|
|
StreamImagePixels(const StreamInfo *,const Image *,ExceptionInfo *),
|
|
|
SyncAuthenticPixelsStream(Image *,ExceptionInfo *);
|
|
|
|
|
|
static Quantum
|
|
|
*QueueAuthenticPixelsStream(Image *,const ssize_t,const ssize_t,const size_t,
|
|
|
const size_t,ExceptionInfo *);
|
|
|
|
|
|
#if defined(__cplusplus) || defined(c_plusplus)
|
|
|
}
|
|
|
#endif
|
|
|
|
|
|
static ssize_t
|
|
|
cache_anonymous_memory = (-1);
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
+ A c q u i r e S t r e a m I n f o %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% AcquireStreamInfo() allocates the StreamInfo structure.
|
|
|
%
|
|
|
% The format of the AcquireStreamInfo method is:
|
|
|
%
|
|
|
% StreamInfo *AcquireStreamInfo(const ImageInfo *image_info,
|
|
|
% ExceptionInfo *exception)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o image_info: the image info.
|
|
|
%
|
|
|
% o exception: return any errors or warnings in this structure.
|
|
|
%
|
|
|
*/
|
|
|
MagickExport StreamInfo *AcquireStreamInfo(const ImageInfo *image_info,
|
|
|
ExceptionInfo *exception)
|
|
|
{
|
|
|
StreamInfo
|
|
|
*stream_info;
|
|
|
|
|
|
stream_info=(StreamInfo *) AcquireCriticalMemory(sizeof(*stream_info));
|
|
|
(void) memset(stream_info,0,sizeof(*stream_info));
|
|
|
stream_info->pixels=(unsigned char *) MagickAssumeAligned(
|
|
|
AcquireAlignedMemory(1,sizeof(*stream_info->pixels)));
|
|
|
if (stream_info->pixels == (unsigned char *) NULL)
|
|
|
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
|
|
|
stream_info->map=ConstantString("RGB");
|
|
|
stream_info->storage_type=CharPixel;
|
|
|
stream_info->stream=AcquireImage(image_info,exception);
|
|
|
stream_info->signature=MagickCoreSignature;
|
|
|
return(stream_info);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
+ D e s t r o y P i x e l S t r e a m %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% DestroyPixelStream() deallocates memory associated with the pixel stream.
|
|
|
%
|
|
|
% The format of the DestroyPixelStream() method is:
|
|
|
%
|
|
|
% void DestroyPixelStream(Image *image)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o image: the image.
|
|
|
%
|
|
|
*/
|
|
|
|
|
|
static inline void RelinquishStreamPixels(CacheInfo *cache_info)
|
|
|
{
|
|
|
assert(cache_info != (CacheInfo *) NULL);
|
|
|
if (cache_info->pixels != (Quantum *) NULL)
|
|
|
{
|
|
|
if (cache_info->mapped == MagickFalse)
|
|
|
(void) RelinquishAlignedMemory(cache_info->pixels);
|
|
|
else
|
|
|
(void) UnmapBlob(cache_info->pixels,(size_t) cache_info->length);
|
|
|
}
|
|
|
cache_info->pixels=(Quantum *) NULL;
|
|
|
cache_info->metacontent=(void *) NULL;
|
|
|
cache_info->length=0;
|
|
|
cache_info->mapped=MagickFalse;
|
|
|
}
|
|
|
|
|
|
static void DestroyPixelStream(Image *image)
|
|
|
{
|
|
|
CacheInfo
|
|
|
*cache_info;
|
|
|
|
|
|
MagickBooleanType
|
|
|
destroy;
|
|
|
|
|
|
assert(image != (Image *) NULL);
|
|
|
assert(image->signature == MagickCoreSignature);
|
|
|
if (image->debug != MagickFalse)
|
|
|
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
|
|
cache_info=(CacheInfo *) image->cache;
|
|
|
assert(cache_info->signature == MagickCoreSignature);
|
|
|
destroy=MagickFalse;
|
|
|
LockSemaphoreInfo(cache_info->semaphore);
|
|
|
cache_info->reference_count--;
|
|
|
if (cache_info->reference_count == 0)
|
|
|
destroy=MagickTrue;
|
|
|
UnlockSemaphoreInfo(cache_info->semaphore);
|
|
|
if (destroy == MagickFalse)
|
|
|
return;
|
|
|
RelinquishStreamPixels(cache_info);
|
|
|
if (cache_info->nexus_info != (NexusInfo **) NULL)
|
|
|
cache_info->nexus_info=DestroyPixelCacheNexus(cache_info->nexus_info,
|
|
|
cache_info->number_threads);
|
|
|
if (cache_info->file_semaphore != (SemaphoreInfo *) NULL)
|
|
|
RelinquishSemaphoreInfo(&cache_info->file_semaphore);
|
|
|
if (cache_info->semaphore != (SemaphoreInfo *) NULL)
|
|
|
RelinquishSemaphoreInfo(&cache_info->semaphore);
|
|
|
cache_info=(CacheInfo *) RelinquishAlignedMemory(cache_info);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
+ D e s t r o y S t r e a m I n f o %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% DestroyStreamInfo() destroys memory associated with the StreamInfo
|
|
|
% structure.
|
|
|
%
|
|
|
% The format of the DestroyStreamInfo method is:
|
|
|
%
|
|
|
% StreamInfo *DestroyStreamInfo(StreamInfo *stream_info)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o stream_info: the stream info.
|
|
|
%
|
|
|
*/
|
|
|
MagickExport StreamInfo *DestroyStreamInfo(StreamInfo *stream_info)
|
|
|
{
|
|
|
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
|
|
|
assert(stream_info != (StreamInfo *) NULL);
|
|
|
assert(stream_info->signature == MagickCoreSignature);
|
|
|
if (stream_info->map != (char *) NULL)
|
|
|
stream_info->map=DestroyString(stream_info->map);
|
|
|
if (stream_info->pixels != (unsigned char *) NULL)
|
|
|
stream_info->pixels=(unsigned char *) RelinquishAlignedMemory(
|
|
|
stream_info->pixels);
|
|
|
if (stream_info->stream != (Image *) NULL)
|
|
|
{
|
|
|
(void) CloseBlob(stream_info->stream);
|
|
|
stream_info->stream=DestroyImage(stream_info->stream);
|
|
|
}
|
|
|
if (stream_info->quantum_info != (QuantumInfo *) NULL)
|
|
|
stream_info->quantum_info=DestroyQuantumInfo(stream_info->quantum_info);
|
|
|
stream_info->signature=(~MagickCoreSignature);
|
|
|
stream_info=(StreamInfo *) RelinquishMagickMemory(stream_info);
|
|
|
return(stream_info);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
+ G e t A u t h e n t i c M e t a c o n t e n t F r o m S t r e a m %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% GetAuthenticMetacontentFromStream() returns the metacontent corresponding
|
|
|
% with the last call to QueueAuthenticPixelsStream() or
|
|
|
% GetAuthenticPixelsStream().
|
|
|
%
|
|
|
% The format of the GetAuthenticMetacontentFromStream() method is:
|
|
|
%
|
|
|
% void *GetAuthenticMetacontentFromStream(const Image *image)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o image: the image.
|
|
|
%
|
|
|
*/
|
|
|
static void *GetAuthenticMetacontentFromStream(const Image *image)
|
|
|
{
|
|
|
CacheInfo
|
|
|
*cache_info;
|
|
|
|
|
|
assert(image != (Image *) NULL);
|
|
|
assert(image->signature == MagickCoreSignature);
|
|
|
if (image->debug != MagickFalse)
|
|
|
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
|
|
cache_info=(CacheInfo *) image->cache;
|
|
|
assert(cache_info->signature == MagickCoreSignature);
|
|
|
return(cache_info->metacontent);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
+ G e t A u t h e n t i c P i x e l S t r e a m %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% GetAuthenticPixelsStream() 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. For
|
|
|
% streams this method is a no-op.
|
|
|
%
|
|
|
% The format of the GetAuthenticPixelsStream() method is:
|
|
|
%
|
|
|
% Quantum *GetAuthenticPixelsStream(Image *image,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 image: the image.
|
|
|
%
|
|
|
% o x,y,columns,rows: These values define the perimeter of a region of
|
|
|
% pixels.
|
|
|
%
|
|
|
% o exception: return any errors or warnings in this structure.
|
|
|
%
|
|
|
*/
|
|
|
static Quantum *GetAuthenticPixelsStream(Image *image,const ssize_t x,
|
|
|
const ssize_t y,const size_t columns,const size_t rows,
|
|
|
ExceptionInfo *exception)
|
|
|
{
|
|
|
Quantum
|
|
|
*pixels;
|
|
|
|
|
|
assert(image != (Image *) NULL);
|
|
|
assert(image->signature == MagickCoreSignature);
|
|
|
if (image->debug != MagickFalse)
|
|
|
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
|
|
pixels=QueueAuthenticPixelsStream(image,x,y,columns,rows,exception);
|
|
|
return(pixels);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
+ G e t A u t h e n t i c P i x e l F r o m S t e a m %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% GetAuthenticPixelsFromStream() returns the pixels associated with the last
|
|
|
% call to QueueAuthenticPixelsStream() or GetAuthenticPixelsStream().
|
|
|
%
|
|
|
% The format of the GetAuthenticPixelsFromStream() method is:
|
|
|
%
|
|
|
% Quantum *GetAuthenticPixelsFromStream(const Image image)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o image: the image.
|
|
|
%
|
|
|
*/
|
|
|
static Quantum *GetAuthenticPixelsFromStream(const Image *image)
|
|
|
{
|
|
|
CacheInfo
|
|
|
*cache_info;
|
|
|
|
|
|
assert(image != (Image *) NULL);
|
|
|
assert(image->signature == MagickCoreSignature);
|
|
|
if (image->debug != MagickFalse)
|
|
|
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
|
|
cache_info=(CacheInfo *) image->cache;
|
|
|
assert(cache_info->signature == MagickCoreSignature);
|
|
|
return(cache_info->pixels);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
+ G e t O n e A u t h e n t i c P i x e l F r o m S t r e a m %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% GetOneAuthenticPixelFromStream() returns a single pixel at the specified
|
|
|
% (x,y) location. The image background color is returned if an error occurs.
|
|
|
%
|
|
|
% The format of the GetOneAuthenticPixelFromStream() method is:
|
|
|
%
|
|
|
% MagickBooleanType GetOneAuthenticPixelFromStream(const Image image,
|
|
|
% const ssize_t x,const ssize_t y,Quantum *pixel,
|
|
|
% ExceptionInfo *exception)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o image: the image.
|
|
|
%
|
|
|
% o pixel: return a pixel at the specified (x,y) location.
|
|
|
%
|
|
|
% o x,y: These values define the location of the pixel to return.
|
|
|
%
|
|
|
% o exception: return any errors or warnings in this structure.
|
|
|
%
|
|
|
*/
|
|
|
static MagickBooleanType GetOneAuthenticPixelFromStream(Image *image,
|
|
|
const ssize_t x,const ssize_t y,Quantum *pixel,ExceptionInfo *exception)
|
|
|
{
|
|
|
Quantum
|
|
|
*p;
|
|
|
|
|
|
ssize_t
|
|
|
i;
|
|
|
|
|
|
assert(image != (Image *) NULL);
|
|
|
assert(image->signature == MagickCoreSignature);
|
|
|
(void) memset(pixel,0,MaxPixelChannels*sizeof(*pixel));
|
|
|
p=GetAuthenticPixelsStream(image,x,y,1,1,exception);
|
|
|
if (p == (Quantum *) NULL)
|
|
|
{
|
|
|
pixel[RedPixelChannel]=ClampToQuantum(image->background_color.red);
|
|
|
pixel[GreenPixelChannel]=ClampToQuantum(image->background_color.green);
|
|
|
pixel[BluePixelChannel]=ClampToQuantum(image->background_color.blue);
|
|
|
pixel[BlackPixelChannel]=ClampToQuantum(image->background_color.black);
|
|
|
pixel[AlphaPixelChannel]=ClampToQuantum(image->background_color.alpha);
|
|
|
return(MagickFalse);
|
|
|
}
|
|
|
for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
|
|
|
{
|
|
|
PixelChannel channel = GetPixelChannelChannel(image,i);
|
|
|
pixel[channel]=p[i];
|
|
|
}
|
|
|
return(MagickTrue);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
+ G e t O n e V i r t u a l P i x e l F r o m S t r e a m %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% GetOneVirtualPixelFromStream() returns a single pixel at the specified
|
|
|
% (x.y) location. The image background color is returned if an error occurs.
|
|
|
%
|
|
|
% The format of the GetOneVirtualPixelFromStream() method is:
|
|
|
%
|
|
|
% MagickBooleanType GetOneVirtualPixelFromStream(const Image image,
|
|
|
% const VirtualPixelMethod virtual_pixel_method,const ssize_t x,
|
|
|
% const ssize_t y,Quantum *pixel,ExceptionInfo *exception)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o image: the image.
|
|
|
%
|
|
|
% o virtual_pixel_method: the virtual pixel method.
|
|
|
%
|
|
|
% o x,y: These values define the location of the pixel to return.
|
|
|
%
|
|
|
% o pixel: return a pixel at the specified (x,y) location.
|
|
|
%
|
|
|
% o exception: return any errors or warnings in this structure.
|
|
|
%
|
|
|
*/
|
|
|
static MagickBooleanType GetOneVirtualPixelFromStream(const Image *image,
|
|
|
const VirtualPixelMethod virtual_pixel_method,const ssize_t x,const ssize_t y,
|
|
|
Quantum *pixel,ExceptionInfo *exception)
|
|
|
{
|
|
|
const Quantum
|
|
|
*p;
|
|
|
|
|
|
ssize_t
|
|
|
i;
|
|
|
|
|
|
assert(image != (Image *) NULL);
|
|
|
assert(image->signature == MagickCoreSignature);
|
|
|
(void) memset(pixel,0,MaxPixelChannels*sizeof(*pixel));
|
|
|
p=GetVirtualPixelStream(image,virtual_pixel_method,x,y,1,1,exception);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
{
|
|
|
pixel[RedPixelChannel]=ClampToQuantum(image->background_color.red);
|
|
|
pixel[GreenPixelChannel]=ClampToQuantum(image->background_color.green);
|
|
|
pixel[BluePixelChannel]=ClampToQuantum(image->background_color.blue);
|
|
|
pixel[BlackPixelChannel]=ClampToQuantum(image->background_color.black);
|
|
|
pixel[AlphaPixelChannel]=ClampToQuantum(image->background_color.alpha);
|
|
|
return(MagickFalse);
|
|
|
}
|
|
|
for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
|
|
|
{
|
|
|
PixelChannel channel = GetPixelChannelChannel(image,i);
|
|
|
pixel[channel]=p[i];
|
|
|
}
|
|
|
return(MagickTrue);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
+ G e t S t r e a m I n f o C l i e n t D a t a %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% GetStreamInfoClientData() gets the stream info client data.
|
|
|
%
|
|
|
% The format of the GetStreamInfoClientData method is:
|
|
|
%
|
|
|
% const void *GetStreamInfoClientData(StreamInfo *stream_info)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o stream_info: the stream info.
|
|
|
%
|
|
|
*/
|
|
|
MagickPrivate const void *GetStreamInfoClientData(StreamInfo *stream_info)
|
|
|
{
|
|
|
assert(stream_info != (StreamInfo *) NULL);
|
|
|
assert(stream_info->signature == MagickCoreSignature);
|
|
|
return(stream_info->client_data);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
+ G e t V i r t u a l P i x e l s F r o m S t r e a m %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% GetVirtualPixelsStream() returns the pixels associated with the last call to
|
|
|
% QueueAuthenticPixelsStream() or GetVirtualPixelStream().
|
|
|
%
|
|
|
% The format of the GetVirtualPixelsStream() method is:
|
|
|
%
|
|
|
% const Quantum *GetVirtualPixelsStream(const Image *image)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o pixels: return the pixels associated corresponding with the last call to
|
|
|
% QueueAuthenticPixelsStream() or GetVirtualPixelStream().
|
|
|
%
|
|
|
% o image: the image.
|
|
|
%
|
|
|
*/
|
|
|
static const Quantum *GetVirtualPixelsStream(const Image *image)
|
|
|
{
|
|
|
CacheInfo
|
|
|
*cache_info;
|
|
|
|
|
|
assert(image != (Image *) NULL);
|
|
|
assert(image->signature == MagickCoreSignature);
|
|
|
if (image->debug != MagickFalse)
|
|
|
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
|
|
cache_info=(CacheInfo *) image->cache;
|
|
|
assert(cache_info->signature == MagickCoreSignature);
|
|
|
return(cache_info->pixels);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
+ G e t V i r t u a l I n d e x e s F r o m S t r e a m %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% GetVirtualMetacontentFromStream() returns the associated pixel channels
|
|
|
% corresponding with the last call to QueueAuthenticPixelsStream() or
|
|
|
% GetVirtualPixelStream().
|
|
|
%
|
|
|
% The format of the GetVirtualMetacontentFromStream() method is:
|
|
|
%
|
|
|
% const void *GetVirtualMetacontentFromStream(const Image *image)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o image: the image.
|
|
|
%
|
|
|
*/
|
|
|
static const void *GetVirtualMetacontentFromStream(const Image *image)
|
|
|
{
|
|
|
CacheInfo
|
|
|
*cache_info;
|
|
|
|
|
|
assert(image != (Image *) NULL);
|
|
|
assert(image->signature == MagickCoreSignature);
|
|
|
if (image->debug != MagickFalse)
|
|
|
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
|
|
cache_info=(CacheInfo *) image->cache;
|
|
|
assert(cache_info->signature == MagickCoreSignature);
|
|
|
return(cache_info->metacontent);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
+ G e t V i r t u a l P i x e l S t r e a m %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% GetVirtualPixelStream() 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. For streams this
|
|
|
% method is a no-op.
|
|
|
%
|
|
|
% The format of the GetVirtualPixelStream() method is:
|
|
|
%
|
|
|
% const Quantum *GetVirtualPixelStream(const Image *image,
|
|
|
% const VirtualPixelMethod virtual_pixel_method,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 image: the image.
|
|
|
%
|
|
|
% o virtual_pixel_method: the virtual pixel method.
|
|
|
%
|
|
|
% o x,y,columns,rows: These values define the perimeter of a region of
|
|
|
% pixels.
|
|
|
%
|
|
|
% o exception: return any errors or warnings in this structure.
|
|
|
%
|
|
|
*/
|
|
|
|
|
|
static inline MagickBooleanType AcquireStreamPixels(CacheInfo *cache_info,
|
|
|
ExceptionInfo *exception)
|
|
|
{
|
|
|
if (cache_info->length != (MagickSizeType) ((size_t) cache_info->length))
|
|
|
return(MagickFalse);
|
|
|
if (cache_anonymous_memory < 0)
|
|
|
{
|
|
|
char
|
|
|
*value;
|
|
|
|
|
|
/*
|
|
|
Does the security policy require anonymous mapping for pixel cache?
|
|
|
*/
|
|
|
cache_anonymous_memory=0;
|
|
|
value=GetPolicyValue("pixel-cache-memory");
|
|
|
if (value == (char *) NULL)
|
|
|
value=GetPolicyValue("cache:memory-map");
|
|
|
if (LocaleCompare(value,"anonymous") == 0)
|
|
|
{
|
|
|
#if defined(MAGICKCORE_HAVE_MMAP) && defined(MAP_ANONYMOUS)
|
|
|
cache_anonymous_memory=1;
|
|
|
#else
|
|
|
(void) ThrowMagickException(exception,GetMagickModule(),
|
|
|
MissingDelegateError,"DelegateLibrarySupportNotBuiltIn",
|
|
|
"'%s' (policy requires anonymous memory mapping)",
|
|
|
cache_info->filename);
|
|
|
#endif
|
|
|
}
|
|
|
value=DestroyString(value);
|
|
|
}
|
|
|
if (cache_anonymous_memory <= 0)
|
|
|
{
|
|
|
cache_info->mapped=MagickFalse;
|
|
|
cache_info->pixels=(Quantum *) MagickAssumeAligned(
|
|
|
AcquireAlignedMemory(1,(size_t) cache_info->length));
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
cache_info->mapped=MagickTrue;
|
|
|
cache_info->pixels=(Quantum *) MapBlob(-1,IOMode,0,(size_t)
|
|
|
cache_info->length);
|
|
|
}
|
|
|
if (cache_info->pixels == (Quantum *) NULL)
|
|
|
{
|
|
|
(void) ThrowMagickException(exception,GetMagickModule(),
|
|
|
ResourceLimitError,"MemoryAllocationFailed","`%s'",
|
|
|
cache_info->filename);
|
|
|
return(MagickFalse);
|
|
|
}
|
|
|
return(MagickTrue);
|
|
|
}
|
|
|
|
|
|
static const Quantum *GetVirtualPixelStream(const Image *image,
|
|
|
const VirtualPixelMethod magick_unused(virtual_pixel_method),const ssize_t x,
|
|
|
const ssize_t y,const size_t columns,const size_t rows,
|
|
|
ExceptionInfo *exception)
|
|
|
{
|
|
|
CacheInfo
|
|
|
*cache_info;
|
|
|
|
|
|
MagickBooleanType
|
|
|
status;
|
|
|
|
|
|
MagickSizeType
|
|
|
number_pixels;
|
|
|
|
|
|
size_t
|
|
|
length;
|
|
|
|
|
|
magick_unreferenced(virtual_pixel_method);
|
|
|
|
|
|
/*
|
|
|
Validate pixel cache geometry.
|
|
|
*/
|
|
|
assert(image != (const Image *) NULL);
|
|
|
assert(image->signature == MagickCoreSignature);
|
|
|
if (image->debug != MagickFalse)
|
|
|
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
|
|
if ((x < 0) || (y < 0) ||
|
|
|
((x+(ssize_t) columns) > (ssize_t) image->columns) ||
|
|
|
((y+(ssize_t) rows) > (ssize_t) image->rows) ||
|
|
|
(columns == 0) || (rows == 0))
|
|
|
{
|
|
|
(void) ThrowMagickException(exception,GetMagickModule(),StreamError,
|
|
|
"ImageDoesNotContainTheStreamGeometry","`%s'",image->filename);
|
|
|
return((Quantum *) NULL);
|
|
|
}
|
|
|
cache_info=(CacheInfo *) image->cache;
|
|
|
assert(cache_info->signature == MagickCoreSignature);
|
|
|
/*
|
|
|
Pixels are stored in a temporary buffer until they are synced to the cache.
|
|
|
*/
|
|
|
number_pixels=(MagickSizeType) columns*rows;
|
|
|
length=(size_t) number_pixels*cache_info->number_channels*sizeof(Quantum);
|
|
|
if (cache_info->number_channels == 0)
|
|
|
length=(size_t) number_pixels*sizeof(Quantum);
|
|
|
if (cache_info->metacontent_extent != 0)
|
|
|
length+=number_pixels*cache_info->metacontent_extent;
|
|
|
if (cache_info->pixels == (Quantum *) NULL)
|
|
|
{
|
|
|
cache_info->length=length;
|
|
|
status=AcquireStreamPixels(cache_info,exception);
|
|
|
if (status == MagickFalse)
|
|
|
{
|
|
|
cache_info->length=0;
|
|
|
return((Quantum *) NULL);
|
|
|
}
|
|
|
}
|
|
|
else
|
|
|
if (cache_info->length < length)
|
|
|
{
|
|
|
RelinquishStreamPixels(cache_info);
|
|
|
cache_info->length=length;
|
|
|
status=AcquireStreamPixels(cache_info,exception);
|
|
|
if (status == MagickFalse)
|
|
|
{
|
|
|
cache_info->length=0;
|
|
|
return((Quantum *) NULL);
|
|
|
}
|
|
|
}
|
|
|
cache_info->metacontent=(void *) NULL;
|
|
|
if (cache_info->metacontent_extent != 0)
|
|
|
cache_info->metacontent=(void *) (cache_info->pixels+number_pixels*
|
|
|
cache_info->number_channels);
|
|
|
return(cache_info->pixels);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
+ O p e n S t r e a m %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% OpenStream() opens a stream for writing by the StreamImage() method.
|
|
|
%
|
|
|
% The format of the OpenStream method is:
|
|
|
%
|
|
|
% MagickBooleanType OpenStream(const ImageInfo *image_info,
|
|
|
% StreamInfo *stream_info,const char *filename,ExceptionInfo *exception)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o image_info: the image info.
|
|
|
%
|
|
|
% o stream_info: the stream info.
|
|
|
%
|
|
|
% o filename: the stream filename.
|
|
|
%
|
|
|
% o exception: return any errors or warnings in this structure.
|
|
|
%
|
|
|
*/
|
|
|
MagickExport MagickBooleanType OpenStream(const ImageInfo *image_info,
|
|
|
StreamInfo *stream_info,const char *filename,ExceptionInfo *exception)
|
|
|
{
|
|
|
MagickBooleanType
|
|
|
status;
|
|
|
|
|
|
(void) CopyMagickString(stream_info->stream->filename,filename,
|
|
|
MagickPathExtent);
|
|
|
status=OpenBlob(image_info,stream_info->stream,WriteBinaryBlobMode,exception);
|
|
|
return(status);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
+ Q u e u e A u t h e n t i c P i x e l s S t r e a m %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% QueueAuthenticPixelsStream() allocates an area to store image pixels as
|
|
|
% defined by the region rectangle and returns a pointer to the area. This
|
|
|
% area is subsequently transferred from the pixel cache with method
|
|
|
% SyncAuthenticPixelsStream(). A pointer to the pixels is returned if the
|
|
|
% pixels are transferred, otherwise a NULL is returned.
|
|
|
%
|
|
|
% The format of the QueueAuthenticPixelsStream() method is:
|
|
|
%
|
|
|
% Quantum *QueueAuthenticPixelsStream(Image *image,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 image: the image.
|
|
|
%
|
|
|
% o x,y,columns,rows: These values define the perimeter of a region of
|
|
|
% pixels.
|
|
|
%
|
|
|
*/
|
|
|
|
|
|
static inline MagickBooleanType ValidatePixelCacheMorphology(
|
|
|
const Image *magick_restrict image)
|
|
|
{
|
|
|
const CacheInfo
|
|
|
*magick_restrict cache_info;
|
|
|
|
|
|
const PixelChannelMap
|
|
|
*magick_restrict p,
|
|
|
*magick_restrict q;
|
|
|
|
|
|
/*
|
|
|
Does the image match the pixel cache morphology?
|
|
|
*/
|
|
|
cache_info=(CacheInfo *) image->cache;
|
|
|
p=image->channel_map;
|
|
|
q=cache_info->channel_map;
|
|
|
if ((image->storage_class != cache_info->storage_class) ||
|
|
|
(image->colorspace != cache_info->colorspace) ||
|
|
|
(image->alpha_trait != cache_info->alpha_trait) ||
|
|
|
(image->channels != cache_info->channels) ||
|
|
|
(image->columns != cache_info->columns) ||
|
|
|
(image->rows != cache_info->rows) ||
|
|
|
(image->number_channels != cache_info->number_channels) ||
|
|
|
(memcmp(p,q,image->number_channels*sizeof(*p)) != 0) ||
|
|
|
(image->metacontent_extent != cache_info->metacontent_extent) ||
|
|
|
(cache_info->nexus_info == (NexusInfo **) NULL))
|
|
|
return(MagickFalse);
|
|
|
return(MagickTrue);
|
|
|
}
|
|
|
|
|
|
static Quantum *QueueAuthenticPixelsStream(Image *image,const ssize_t x,
|
|
|
const ssize_t y,const size_t columns,const size_t rows,
|
|
|
ExceptionInfo *exception)
|
|
|
{
|
|
|
CacheInfo
|
|
|
*cache_info;
|
|
|
|
|
|
MagickBooleanType
|
|
|
status;
|
|
|
|
|
|
MagickSizeType
|
|
|
number_pixels;
|
|
|
|
|
|
size_t
|
|
|
length;
|
|
|
|
|
|
StreamHandler
|
|
|
stream_handler;
|
|
|
|
|
|
/*
|
|
|
Validate pixel cache geometry.
|
|
|
*/
|
|
|
assert(image != (Image *) NULL);
|
|
|
if ((x < 0) || (y < 0) ||
|
|
|
((x+(ssize_t) columns) > (ssize_t) image->columns) ||
|
|
|
((y+(ssize_t) rows) > (ssize_t) image->rows) ||
|
|
|
(columns == 0) || (rows == 0))
|
|
|
{
|
|
|
(void) ThrowMagickException(exception,GetMagickModule(),StreamError,
|
|
|
"ImageDoesNotContainTheStreamGeometry","`%s'",image->filename);
|
|
|
return((Quantum *) NULL);
|
|
|
}
|
|
|
stream_handler=GetBlobStreamHandler(image);
|
|
|
if (stream_handler == (StreamHandler) NULL)
|
|
|
{
|
|
|
(void) ThrowMagickException(exception,GetMagickModule(),StreamError,
|
|
|
"NoStreamHandlerIsDefined","`%s'",image->filename);
|
|
|
return((Quantum *) NULL);
|
|
|
}
|
|
|
cache_info=(CacheInfo *) image->cache;
|
|
|
assert(cache_info->signature == MagickCoreSignature);
|
|
|
if (ValidatePixelCacheMorphology(image) == MagickFalse)
|
|
|
{
|
|
|
if (cache_info->storage_class == UndefinedClass)
|
|
|
(void) stream_handler(image,(const void *) NULL,(size_t)
|
|
|
cache_info->columns);
|
|
|
cache_info->storage_class=image->storage_class;
|
|
|
cache_info->colorspace=image->colorspace;
|
|
|
cache_info->alpha_trait=image->alpha_trait;
|
|
|
cache_info->channels=image->channels;
|
|
|
cache_info->columns=image->columns;
|
|
|
cache_info->rows=image->rows;
|
|
|
cache_info->number_channels=image->number_channels;
|
|
|
InitializePixelChannelMap(image);
|
|
|
ResetPixelCacheChannels(image);
|
|
|
image->cache=cache_info;
|
|
|
}
|
|
|
/*
|
|
|
Pixels are stored in a temporary buffer until they are synced to the cache.
|
|
|
*/
|
|
|
cache_info->columns=columns;
|
|
|
cache_info->rows=rows;
|
|
|
number_pixels=(MagickSizeType) columns*rows;
|
|
|
length=(size_t) number_pixels*cache_info->number_channels*sizeof(Quantum);
|
|
|
if (cache_info->number_channels == 0)
|
|
|
length=(size_t) number_pixels*sizeof(Quantum);
|
|
|
if (cache_info->metacontent_extent != 0)
|
|
|
length+=number_pixels*cache_info->metacontent_extent;
|
|
|
if (cache_info->pixels == (Quantum *) NULL)
|
|
|
{
|
|
|
cache_info->length=length;
|
|
|
status=AcquireStreamPixels(cache_info,exception);
|
|
|
if (status == MagickFalse)
|
|
|
{
|
|
|
cache_info->length=0;
|
|
|
return((Quantum *) NULL);
|
|
|
}
|
|
|
}
|
|
|
else
|
|
|
if (cache_info->length < length)
|
|
|
{
|
|
|
RelinquishStreamPixels(cache_info);
|
|
|
cache_info->length=length;
|
|
|
status=AcquireStreamPixels(cache_info,exception);
|
|
|
if (status == MagickFalse)
|
|
|
{
|
|
|
cache_info->length=0;
|
|
|
return((Quantum *) NULL);
|
|
|
}
|
|
|
}
|
|
|
cache_info->metacontent=(void *) NULL;
|
|
|
if (cache_info->metacontent_extent != 0)
|
|
|
cache_info->metacontent=(void *) (cache_info->pixels+number_pixels*
|
|
|
cache_info->number_channels);
|
|
|
return(cache_info->pixels);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% R e a d S t r e a m %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% ReadStream() makes the image pixels available to a user supplied callback
|
|
|
% method immediately upon reading a scanline with the ReadImage() method.
|
|
|
%
|
|
|
% The format of the ReadStream() method is:
|
|
|
%
|
|
|
% Image *ReadStream(const ImageInfo *image_info,StreamHandler stream,
|
|
|
% ExceptionInfo *exception)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o image_info: the image info.
|
|
|
%
|
|
|
% o stream: a callback method.
|
|
|
%
|
|
|
% o exception: return any errors or warnings in this structure.
|
|
|
%
|
|
|
*/
|
|
|
MagickExport Image *ReadStream(const ImageInfo *image_info,StreamHandler stream,
|
|
|
ExceptionInfo *exception)
|
|
|
{
|
|
|
CacheMethods
|
|
|
cache_methods;
|
|
|
|
|
|
Image
|
|
|
*image;
|
|
|
|
|
|
ImageInfo
|
|
|
*read_info;
|
|
|
|
|
|
/*
|
|
|
Stream image pixels.
|
|
|
*/
|
|
|
assert(image_info != (ImageInfo *) NULL);
|
|
|
assert(image_info->signature == MagickCoreSignature);
|
|
|
if (image_info->debug != MagickFalse)
|
|
|
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
|
|
|
image_info->filename);
|
|
|
assert(exception != (ExceptionInfo *) NULL);
|
|
|
assert(exception->signature == MagickCoreSignature);
|
|
|
read_info=CloneImageInfo(image_info);
|
|
|
read_info->cache=AcquirePixelCache(0);
|
|
|
GetPixelCacheMethods(&cache_methods);
|
|
|
cache_methods.get_virtual_pixel_handler=GetVirtualPixelStream;
|
|
|
cache_methods.get_virtual_pixels_handler=GetVirtualPixelsStream;
|
|
|
cache_methods.get_virtual_metacontent_from_handler=
|
|
|
GetVirtualMetacontentFromStream;
|
|
|
cache_methods.get_authentic_pixels_handler=GetAuthenticPixelsStream;
|
|
|
cache_methods.queue_authentic_pixels_handler=QueueAuthenticPixelsStream;
|
|
|
cache_methods.sync_authentic_pixels_handler=SyncAuthenticPixelsStream;
|
|
|
cache_methods.get_authentic_pixels_from_handler=GetAuthenticPixelsFromStream;
|
|
|
cache_methods.get_authentic_metacontent_from_handler=
|
|
|
GetAuthenticMetacontentFromStream;
|
|
|
cache_methods.get_one_virtual_pixel_from_handler=GetOneVirtualPixelFromStream;
|
|
|
cache_methods.get_one_authentic_pixel_from_handler=
|
|
|
GetOneAuthenticPixelFromStream;
|
|
|
cache_methods.destroy_pixel_handler=DestroyPixelStream;
|
|
|
SetPixelCacheMethods(read_info->cache,&cache_methods);
|
|
|
read_info->stream=stream;
|
|
|
image=ReadImage(read_info,exception);
|
|
|
if (image != (Image *) NULL)
|
|
|
{
|
|
|
InitializePixelChannelMap(image);
|
|
|
ResetPixelCacheChannels(image);
|
|
|
}
|
|
|
read_info=DestroyImageInfo(read_info);
|
|
|
return(image);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
+ R e s e t S t r e a m A n o n y m o u s M e m o r y %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% ResetStreamAnonymousMemory() resets the anonymous_memory value.
|
|
|
%
|
|
|
% The format of the ResetStreamAnonymousMemory method is:
|
|
|
%
|
|
|
% void ResetStreamAnonymousMemory(void)
|
|
|
%
|
|
|
*/
|
|
|
MagickPrivate void ResetStreamAnonymousMemory(void)
|
|
|
{
|
|
|
cache_anonymous_memory=0;
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
+ S e t S t r e a m I n f o C l i e n t D a t a %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% SetStreamInfoClientData() sets the stream info client data.
|
|
|
%
|
|
|
% The format of the SetStreamInfoClientData method is:
|
|
|
%
|
|
|
% void SetStreamInfoClientData(StreamInfo *stream_info,
|
|
|
% const void *client_data)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o stream_info: the stream info.
|
|
|
%
|
|
|
% o client_data: the client data.
|
|
|
%
|
|
|
*/
|
|
|
MagickPrivate void SetStreamInfoClientData(StreamInfo *stream_info,
|
|
|
const void *client_data)
|
|
|
{
|
|
|
assert(stream_info != (StreamInfo *) NULL);
|
|
|
assert(stream_info->signature == MagickCoreSignature);
|
|
|
stream_info->client_data=client_data;
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
+ S e t S t r e a m I n f o M a p %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% SetStreamInfoMap() sets the stream info map member.
|
|
|
%
|
|
|
% The format of the SetStreamInfoMap method is:
|
|
|
%
|
|
|
% void SetStreamInfoMap(StreamInfo *stream_info,const char *map)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o stream_info: the stream info.
|
|
|
%
|
|
|
% o map: the map.
|
|
|
%
|
|
|
*/
|
|
|
MagickExport void SetStreamInfoMap(StreamInfo *stream_info,const char *map)
|
|
|
{
|
|
|
assert(stream_info != (StreamInfo *) NULL);
|
|
|
assert(stream_info->signature == MagickCoreSignature);
|
|
|
(void) CloneString(&stream_info->map,map);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
+ S e t S t r e a m I n f o S t o r a g e T y p e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% SetStreamInfoStorageType() sets the stream info storage type member.
|
|
|
%
|
|
|
% The format of the SetStreamInfoStorageType method is:
|
|
|
%
|
|
|
% void SetStreamInfoStorageType(StreamInfo *stream_info,
|
|
|
% const StoreageType *storage_type)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o stream_info: the stream info.
|
|
|
%
|
|
|
% o storage_type: the storage type.
|
|
|
%
|
|
|
*/
|
|
|
MagickExport void SetStreamInfoStorageType(StreamInfo *stream_info,
|
|
|
const StorageType storage_type)
|
|
|
{
|
|
|
assert(stream_info != (StreamInfo *) NULL);
|
|
|
assert(stream_info->signature == MagickCoreSignature);
|
|
|
stream_info->storage_type=storage_type;
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
+ S t r e a m I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% StreamImage() streams pixels from an image and writes them in a user
|
|
|
% defined format and storage type (e.g. RGBA as 8-bit unsigned char).
|
|
|
%
|
|
|
% The format of the StreamImage() method is:
|
|
|
%
|
|
|
% Image *StreamImage(const ImageInfo *image_info,
|
|
|
% StreamInfo *stream_info,ExceptionInfo *exception)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o image_info: the image info.
|
|
|
%
|
|
|
% o stream_info: the stream info.
|
|
|
%
|
|
|
% o exception: return any errors or warnings in this structure.
|
|
|
%
|
|
|
*/
|
|
|
|
|
|
#if defined(__cplusplus) || defined(c_plusplus)
|
|
|
extern "C" {
|
|
|
#endif
|
|
|
|
|
|
static size_t WriteStreamImage(const Image *image,const void *pixels,
|
|
|
const size_t columns)
|
|
|
{
|
|
|
CacheInfo
|
|
|
*cache_info;
|
|
|
|
|
|
RectangleInfo
|
|
|
extract_info;
|
|
|
|
|
|
size_t
|
|
|
length,
|
|
|
packet_size;
|
|
|
|
|
|
ssize_t
|
|
|
count;
|
|
|
|
|
|
StreamInfo
|
|
|
*stream_info;
|
|
|
|
|
|
(void) pixels;
|
|
|
stream_info=(StreamInfo *) image->client_data;
|
|
|
switch (stream_info->storage_type)
|
|
|
{
|
|
|
default: packet_size=sizeof(unsigned char); break;
|
|
|
case CharPixel: packet_size=sizeof(unsigned char); break;
|
|
|
case DoublePixel: packet_size=sizeof(double); break;
|
|
|
case FloatPixel: packet_size=sizeof(float); break;
|
|
|
case LongPixel: packet_size=sizeof(unsigned int); break;
|
|
|
case LongLongPixel: packet_size=sizeof(MagickSizeType); break;
|
|
|
case QuantumPixel: packet_size=sizeof(Quantum); break;
|
|
|
case ShortPixel: packet_size=sizeof(unsigned short); break;
|
|
|
}
|
|
|
cache_info=(CacheInfo *) image->cache;
|
|
|
assert(cache_info->signature == MagickCoreSignature);
|
|
|
packet_size*=strlen(stream_info->map);
|
|
|
length=packet_size*cache_info->columns*cache_info->rows;
|
|
|
if (image != stream_info->image)
|
|
|
{
|
|
|
ImageInfo
|
|
|
*write_info;
|
|
|
|
|
|
/*
|
|
|
Prepare stream for writing.
|
|
|
*/
|
|
|
(void) RelinquishAlignedMemory(stream_info->pixels);
|
|
|
stream_info->pixels=(unsigned char *) AcquireAlignedMemory(1,length);
|
|
|
if (stream_info->pixels == (unsigned char *) NULL)
|
|
|
return(0);
|
|
|
(void) memset(stream_info->pixels,0,length);
|
|
|
stream_info->image=image;
|
|
|
write_info=CloneImageInfo(stream_info->image_info);
|
|
|
(void) SetImageInfo(write_info,1,stream_info->exception);
|
|
|
if (write_info->extract != (char *) NULL)
|
|
|
(void) ParseAbsoluteGeometry(write_info->extract,
|
|
|
&stream_info->extract_info);
|
|
|
stream_info->y=0;
|
|
|
write_info=DestroyImageInfo(write_info);
|
|
|
}
|
|
|
extract_info=stream_info->extract_info;
|
|
|
if ((extract_info.width == 0) || (extract_info.height == 0))
|
|
|
{
|
|
|
/*
|
|
|
Write all pixels to stream.
|
|
|
*/
|
|
|
(void) StreamImagePixels(stream_info,image,stream_info->exception);
|
|
|
count=WriteBlob(stream_info->stream,length,stream_info->pixels);
|
|
|
stream_info->y++;
|
|
|
return(count == 0 ? 0 : columns);
|
|
|
}
|
|
|
if ((stream_info->y < extract_info.y) ||
|
|
|
(stream_info->y >= (ssize_t) (extract_info.y+extract_info.height)))
|
|
|
{
|
|
|
stream_info->y++;
|
|
|
return(columns);
|
|
|
}
|
|
|
/*
|
|
|
Write a portion of the pixel row to the stream.
|
|
|
*/
|
|
|
(void) StreamImagePixels(stream_info,image,stream_info->exception);
|
|
|
length=packet_size*extract_info.width;
|
|
|
count=WriteBlob(stream_info->stream,length,stream_info->pixels+packet_size*
|
|
|
extract_info.x);
|
|
|
stream_info->y++;
|
|
|
return(count == 0 ? 0 : columns);
|
|
|
}
|
|
|
|
|
|
#if defined(__cplusplus) || defined(c_plusplus)
|
|
|
}
|
|
|
#endif
|
|
|
|
|
|
MagickExport Image *StreamImage(const ImageInfo *image_info,
|
|
|
StreamInfo *stream_info,ExceptionInfo *exception)
|
|
|
{
|
|
|
Image
|
|
|
*image;
|
|
|
|
|
|
ImageInfo
|
|
|
*read_info;
|
|
|
|
|
|
assert(image_info != (const ImageInfo *) NULL);
|
|
|
assert(image_info->signature == MagickCoreSignature);
|
|
|
if (image_info->debug != MagickFalse)
|
|
|
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
|
|
|
image_info->filename);
|
|
|
assert(stream_info != (StreamInfo *) NULL);
|
|
|
assert(stream_info->signature == MagickCoreSignature);
|
|
|
assert(exception != (ExceptionInfo *) NULL);
|
|
|
read_info=CloneImageInfo(image_info);
|
|
|
stream_info->image_info=image_info;
|
|
|
stream_info->quantum_info=AcquireQuantumInfo(image_info,(Image *) NULL);
|
|
|
if (stream_info->quantum_info == (QuantumInfo *) NULL)
|
|
|
{
|
|
|
read_info=DestroyImageInfo(read_info);
|
|
|
return((Image *) NULL);
|
|
|
}
|
|
|
stream_info->exception=exception;
|
|
|
read_info->client_data=(void *) stream_info;
|
|
|
image=ReadStream(read_info,&WriteStreamImage,exception);
|
|
|
read_info=DestroyImageInfo(read_info);
|
|
|
stream_info->quantum_info=DestroyQuantumInfo(stream_info->quantum_info);
|
|
|
stream_info->quantum_info=AcquireQuantumInfo(image_info,image);
|
|
|
if (stream_info->quantum_info == (QuantumInfo *) NULL)
|
|
|
image=DestroyImage(image);
|
|
|
return(image);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
+ S t r e a m I m a g e P i x e l s %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% StreamImagePixels() extracts pixel data from an image and returns it in the
|
|
|
% stream_info->pixels structure in the format as defined by
|
|
|
% stream_info->quantum_info->map and stream_info->quantum_info->storage_type.
|
|
|
%
|
|
|
% The format of the StreamImagePixels method is:
|
|
|
%
|
|
|
% MagickBooleanType StreamImagePixels(const StreamInfo *stream_info,
|
|
|
% const Image *image,ExceptionInfo *exception)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o stream_info: the stream info.
|
|
|
%
|
|
|
% o image: the image.
|
|
|
%
|
|
|
% o exception: return any errors or warnings in this structure.
|
|
|
%
|
|
|
*/
|
|
|
static MagickBooleanType StreamImagePixels(const StreamInfo *stream_info,
|
|
|
const Image *image,ExceptionInfo *exception)
|
|
|
{
|
|
|
QuantumInfo
|
|
|
*quantum_info;
|
|
|
|
|
|
QuantumType
|
|
|
*quantum_map;
|
|
|
|
|
|
const Quantum
|
|
|
*p;
|
|
|
|
|
|
ssize_t
|
|
|
i,
|
|
|
x;
|
|
|
|
|
|
size_t
|
|
|
length;
|
|
|
|
|
|
assert(stream_info != (StreamInfo *) NULL);
|
|
|
assert(stream_info->signature == MagickCoreSignature);
|
|
|
assert(image != (Image *) NULL);
|
|
|
assert(image->signature == MagickCoreSignature);
|
|
|
if (image->debug != MagickFalse)
|
|
|
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
|
|
length=strlen(stream_info->map);
|
|
|
quantum_map=(QuantumType *) AcquireQuantumMemory(length,sizeof(*quantum_map));
|
|
|
if (quantum_map == (QuantumType *) NULL)
|
|
|
{
|
|
|
(void) ThrowMagickException(exception,GetMagickModule(),
|
|
|
ResourceLimitError,"MemoryAllocationFailed","`%s'",image->filename);
|
|
|
return(MagickFalse);
|
|
|
}
|
|
|
(void) memset(quantum_map,0,length*sizeof(*quantum_map));
|
|
|
for (i=0; i < (ssize_t) length; i++)
|
|
|
{
|
|
|
switch (stream_info->map[i])
|
|
|
{
|
|
|
case 'A':
|
|
|
case 'a':
|
|
|
{
|
|
|
quantum_map[i]=AlphaQuantum;
|
|
|
break;
|
|
|
}
|
|
|
case 'B':
|
|
|
case 'b':
|
|
|
{
|
|
|
quantum_map[i]=BlueQuantum;
|
|
|
break;
|
|
|
}
|
|
|
case 'C':
|
|
|
case 'c':
|
|
|
{
|
|
|
quantum_map[i]=CyanQuantum;
|
|
|
if (image->colorspace == CMYKColorspace)
|
|
|
break;
|
|
|
quantum_map=(QuantumType *) RelinquishMagickMemory(quantum_map);
|
|
|
(void) ThrowMagickException(exception,GetMagickModule(),ImageError,
|
|
|
"ColorSeparatedImageRequired","`%s'",stream_info->map);
|
|
|
return(MagickFalse);
|
|
|
}
|
|
|
case 'g':
|
|
|
case 'G':
|
|
|
{
|
|
|
quantum_map[i]=GreenQuantum;
|
|
|
break;
|
|
|
}
|
|
|
case 'I':
|
|
|
case 'i':
|
|
|
{
|
|
|
quantum_map[i]=IndexQuantum;
|
|
|
break;
|
|
|
}
|
|
|
case 'K':
|
|
|
case 'k':
|
|
|
{
|
|
|
quantum_map[i]=BlackQuantum;
|
|
|
if (image->colorspace == CMYKColorspace)
|
|
|
break;
|
|
|
quantum_map=(QuantumType *) RelinquishMagickMemory(quantum_map);
|
|
|
(void) ThrowMagickException(exception,GetMagickModule(),ImageError,
|
|
|
"ColorSeparatedImageRequired","`%s'",stream_info->map);
|
|
|
return(MagickFalse);
|
|
|
}
|
|
|
case 'M':
|
|
|
case 'm':
|
|
|
{
|
|
|
quantum_map[i]=MagentaQuantum;
|
|
|
if (image->colorspace == CMYKColorspace)
|
|
|
break;
|
|
|
quantum_map=(QuantumType *) RelinquishMagickMemory(quantum_map);
|
|
|
(void) ThrowMagickException(exception,GetMagickModule(),ImageError,
|
|
|
"ColorSeparatedImageRequired","`%s'",stream_info->map);
|
|
|
return(MagickFalse);
|
|
|
}
|
|
|
case 'o':
|
|
|
case 'O':
|
|
|
{
|
|
|
quantum_map[i]=OpacityQuantum;
|
|
|
break;
|
|
|
}
|
|
|
case 'P':
|
|
|
case 'p':
|
|
|
{
|
|
|
quantum_map[i]=UndefinedQuantum;
|
|
|
break;
|
|
|
}
|
|
|
case 'R':
|
|
|
case 'r':
|
|
|
{
|
|
|
quantum_map[i]=RedQuantum;
|
|
|
break;
|
|
|
}
|
|
|
case 'Y':
|
|
|
case 'y':
|
|
|
{
|
|
|
quantum_map[i]=YellowQuantum;
|
|
|
if (image->colorspace == CMYKColorspace)
|
|
|
break;
|
|
|
quantum_map=(QuantumType *) RelinquishMagickMemory(quantum_map);
|
|
|
(void) ThrowMagickException(exception,GetMagickModule(),ImageError,
|
|
|
"ColorSeparatedImageRequired","`%s'",stream_info->map);
|
|
|
return(MagickFalse);
|
|
|
}
|
|
|
default:
|
|
|
{
|
|
|
quantum_map=(QuantumType *) RelinquishMagickMemory(quantum_map);
|
|
|
(void) ThrowMagickException(exception,GetMagickModule(),OptionError,
|
|
|
"UnrecognizedPixelMap","`%s'",stream_info->map);
|
|
|
return(MagickFalse);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
quantum_info=stream_info->quantum_info;
|
|
|
switch (stream_info->storage_type)
|
|
|
{
|
|
|
case CharPixel:
|
|
|
{
|
|
|
unsigned char
|
|
|
*q;
|
|
|
|
|
|
q=(unsigned char *) stream_info->pixels;
|
|
|
if (LocaleCompare(stream_info->map,"BGR") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToChar(GetPixelBlue(image,p));
|
|
|
*q++=ScaleQuantumToChar(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToChar(GetPixelRed(image,p));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"BGRA") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToChar(GetPixelBlue(image,p));
|
|
|
*q++=ScaleQuantumToChar(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToChar(GetPixelRed(image,p));
|
|
|
*q++=ScaleQuantumToChar(GetPixelAlpha(image,p));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"BGRP") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToChar(GetPixelBlue(image,p));
|
|
|
*q++=ScaleQuantumToChar(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToChar(GetPixelRed(image,p));
|
|
|
*q++=ScaleQuantumToChar((Quantum) 0);
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"I") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToChar(ClampToQuantum(GetPixelIntensity(image,p)));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"RGB") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToChar(GetPixelRed(image,p));
|
|
|
*q++=ScaleQuantumToChar(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToChar(GetPixelBlue(image,p));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"RGBA") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToChar(GetPixelRed(image,p));
|
|
|
*q++=ScaleQuantumToChar(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToChar(GetPixelBlue(image,p));
|
|
|
*q++=ScaleQuantumToChar(GetPixelAlpha(image,p));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"RGBP") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToChar(GetPixelRed(image,p));
|
|
|
*q++=ScaleQuantumToChar(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToChar(GetPixelBlue(image,p));
|
|
|
*q++=ScaleQuantumToChar((Quantum) 0);
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
for (i=0; i < (ssize_t) length; i++)
|
|
|
{
|
|
|
*q=0;
|
|
|
switch (quantum_map[i])
|
|
|
{
|
|
|
case RedQuantum:
|
|
|
case CyanQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToChar(GetPixelRed(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case GreenQuantum:
|
|
|
case MagentaQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToChar(GetPixelGreen(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case BlueQuantum:
|
|
|
case YellowQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToChar(GetPixelBlue(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case AlphaQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToChar(GetPixelAlpha(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case OpacityQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToChar(GetPixelOpacity(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case BlackQuantum:
|
|
|
{
|
|
|
if (image->colorspace == CMYKColorspace)
|
|
|
*q=ScaleQuantumToChar(GetPixelBlack(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case IndexQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToChar(ClampToQuantum(GetPixelIntensity(image,p)));
|
|
|
break;
|
|
|
}
|
|
|
default:
|
|
|
break;
|
|
|
}
|
|
|
q++;
|
|
|
}
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
case DoublePixel:
|
|
|
{
|
|
|
double
|
|
|
*q;
|
|
|
|
|
|
q=(double *) stream_info->pixels;
|
|
|
if (LocaleCompare(stream_info->map,"BGR") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=(double) ((QuantumScale*GetPixelBlue(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(double) ((QuantumScale*GetPixelGreen(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(double) ((QuantumScale*GetPixelRed(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"BGRA") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=(double) ((QuantumScale*GetPixelBlue(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(double) ((QuantumScale*GetPixelGreen(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(double) ((QuantumScale*GetPixelRed(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(double) ((QuantumScale*GetPixelAlpha(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"BGRP") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=(double) ((QuantumScale*GetPixelBlue(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(double) ((QuantumScale*GetPixelGreen(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(double) ((QuantumScale*GetPixelRed(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=0.0;
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"I") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=(double) ((QuantumScale*GetPixelIntensity(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"RGB") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=(double) ((QuantumScale*GetPixelRed(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(double) ((QuantumScale*GetPixelGreen(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(double) ((QuantumScale*GetPixelBlue(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"RGBA") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=(double) ((QuantumScale*GetPixelRed(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(double) ((QuantumScale*GetPixelGreen(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(double) ((QuantumScale*GetPixelBlue(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(double) ((QuantumScale*GetPixelAlpha(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"RGBP") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=(double) ((QuantumScale*GetPixelRed(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(double) ((QuantumScale*GetPixelGreen(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(double) ((QuantumScale*GetPixelBlue(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=0.0;
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
for (i=0; i < (ssize_t) length; i++)
|
|
|
{
|
|
|
*q=0;
|
|
|
switch (quantum_map[i])
|
|
|
{
|
|
|
case RedQuantum:
|
|
|
case CyanQuantum:
|
|
|
{
|
|
|
*q=(double) ((QuantumScale*GetPixelRed(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
break;
|
|
|
}
|
|
|
case GreenQuantum:
|
|
|
case MagentaQuantum:
|
|
|
{
|
|
|
*q=(double) ((QuantumScale*GetPixelGreen(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
break;
|
|
|
}
|
|
|
case BlueQuantum:
|
|
|
case YellowQuantum:
|
|
|
{
|
|
|
*q=(double) ((QuantumScale*GetPixelBlue(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
break;
|
|
|
}
|
|
|
case AlphaQuantum:
|
|
|
{
|
|
|
*q=(double) ((QuantumScale*GetPixelAlpha(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
break;
|
|
|
}
|
|
|
case OpacityQuantum:
|
|
|
{
|
|
|
*q=(double) ((QuantumScale*GetPixelOpacity(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
break;
|
|
|
}
|
|
|
case BlackQuantum:
|
|
|
{
|
|
|
if (image->colorspace == CMYKColorspace)
|
|
|
*q=(double) ((QuantumScale*GetPixelBlack(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
break;
|
|
|
}
|
|
|
case IndexQuantum:
|
|
|
{
|
|
|
*q=(double) ((QuantumScale*GetPixelIntensity(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
break;
|
|
|
}
|
|
|
default:
|
|
|
*q=0;
|
|
|
}
|
|
|
q++;
|
|
|
}
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
case FloatPixel:
|
|
|
{
|
|
|
float
|
|
|
*q;
|
|
|
|
|
|
q=(float *) stream_info->pixels;
|
|
|
if (LocaleCompare(stream_info->map,"BGR") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=(float) ((QuantumScale*GetPixelBlue(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(float) ((QuantumScale*GetPixelGreen(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(float) ((QuantumScale*GetPixelRed(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"BGRA") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=(float) ((QuantumScale*GetPixelBlue(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(float) ((QuantumScale*GetPixelGreen(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(float) ((QuantumScale*GetPixelRed(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(float) ((QuantumScale*GetPixelAlpha(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"BGRP") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=(float) ((QuantumScale*GetPixelBlue(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(float) ((QuantumScale*GetPixelGreen(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(float) ((QuantumScale*GetPixelRed(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=0.0;
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"I") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=(float) ((QuantumScale*GetPixelIntensity(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"RGB") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=(float) ((QuantumScale*GetPixelRed(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(float) ((QuantumScale*GetPixelGreen(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(float) ((QuantumScale*GetPixelBlue(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"RGBA") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=(float) ((QuantumScale*GetPixelRed(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(float) ((QuantumScale*GetPixelGreen(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(float) ((QuantumScale*GetPixelBlue(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(float) ((QuantumScale*GetPixelAlpha(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"RGBP") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=(float) ((QuantumScale*GetPixelRed(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(float) ((QuantumScale*GetPixelGreen(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=(float) ((QuantumScale*GetPixelBlue(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
*q++=0.0;
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
for (i=0; i < (ssize_t) length; i++)
|
|
|
{
|
|
|
*q=0;
|
|
|
switch (quantum_map[i])
|
|
|
{
|
|
|
case RedQuantum:
|
|
|
case CyanQuantum:
|
|
|
{
|
|
|
*q=(float) ((QuantumScale*GetPixelRed(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
break;
|
|
|
}
|
|
|
case GreenQuantum:
|
|
|
case MagentaQuantum:
|
|
|
{
|
|
|
*q=(float) ((QuantumScale*GetPixelGreen(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
break;
|
|
|
}
|
|
|
case BlueQuantum:
|
|
|
case YellowQuantum:
|
|
|
{
|
|
|
*q=(float) ((QuantumScale*GetPixelBlue(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
break;
|
|
|
}
|
|
|
case AlphaQuantum:
|
|
|
{
|
|
|
*q=(float) ((QuantumScale*GetPixelAlpha(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
break;
|
|
|
}
|
|
|
case OpacityQuantum:
|
|
|
{
|
|
|
*q=(float) ((QuantumScale*GetPixelOpacity(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
break;
|
|
|
}
|
|
|
case BlackQuantum:
|
|
|
{
|
|
|
if (image->colorspace == CMYKColorspace)
|
|
|
*q=(float) ((QuantumScale*GetPixelBlack(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
break;
|
|
|
}
|
|
|
case IndexQuantum:
|
|
|
{
|
|
|
*q=(float) ((QuantumScale*GetPixelIntensity(image,p))*
|
|
|
quantum_info->scale+quantum_info->minimum);
|
|
|
break;
|
|
|
}
|
|
|
default:
|
|
|
*q=0;
|
|
|
}
|
|
|
q++;
|
|
|
}
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
case LongPixel:
|
|
|
{
|
|
|
unsigned int
|
|
|
*q;
|
|
|
|
|
|
q=(unsigned int *) stream_info->pixels;
|
|
|
if (LocaleCompare(stream_info->map,"BGR") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToLong(GetPixelBlue(image,p));
|
|
|
*q++=ScaleQuantumToLong(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToLong(GetPixelRed(image,p));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"BGRA") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToLong(GetPixelBlue(image,p));
|
|
|
*q++=ScaleQuantumToLong(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToLong(GetPixelRed(image,p));
|
|
|
*q++=ScaleQuantumToLong(GetPixelAlpha(image,p));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"BGRP") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToLong(GetPixelBlue(image,p));
|
|
|
*q++=ScaleQuantumToLong(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToLong(GetPixelRed(image,p));
|
|
|
*q++=0;
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"I") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToLong(ClampToQuantum(GetPixelIntensity(image,p)));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"RGB") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToLong(GetPixelRed(image,p));
|
|
|
*q++=ScaleQuantumToLong(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToLong(GetPixelBlue(image,p));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"RGBA") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToLong(GetPixelRed(image,p));
|
|
|
*q++=ScaleQuantumToLong(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToLong(GetPixelBlue(image,p));
|
|
|
*q++=ScaleQuantumToLong(GetPixelAlpha(image,p));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"RGBP") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToLong(GetPixelRed(image,p));
|
|
|
*q++=ScaleQuantumToLong(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToLong(GetPixelBlue(image,p));
|
|
|
*q++=0;
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
for (i=0; i < (ssize_t) length; i++)
|
|
|
{
|
|
|
*q=0;
|
|
|
switch (quantum_map[i])
|
|
|
{
|
|
|
case RedQuantum:
|
|
|
case CyanQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToLong(GetPixelRed(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case GreenQuantum:
|
|
|
case MagentaQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToLong(GetPixelGreen(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case BlueQuantum:
|
|
|
case YellowQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToLong(GetPixelBlue(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case AlphaQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToLong(GetPixelAlpha(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case OpacityQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToLong(GetPixelOpacity(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case BlackQuantum:
|
|
|
{
|
|
|
if (image->colorspace == CMYKColorspace)
|
|
|
*q=ScaleQuantumToLong(GetPixelBlack(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case IndexQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToLong(ClampToQuantum(GetPixelIntensity(image,p)));
|
|
|
break;
|
|
|
}
|
|
|
default:
|
|
|
break;
|
|
|
}
|
|
|
q++;
|
|
|
}
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
case LongLongPixel:
|
|
|
{
|
|
|
MagickSizeType
|
|
|
*q;
|
|
|
|
|
|
q=(MagickSizeType *) stream_info->pixels;
|
|
|
if (LocaleCompare(stream_info->map,"BGR") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToLongLong(GetPixelBlue(image,p));
|
|
|
*q++=ScaleQuantumToLongLong(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToLongLong(GetPixelRed(image,p));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"BGRA") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToLongLong(GetPixelBlue(image,p));
|
|
|
*q++=ScaleQuantumToLongLong(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToLongLong(GetPixelRed(image,p));
|
|
|
*q++=ScaleQuantumToLongLong(GetPixelAlpha(image,p));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"BGRP") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToLongLong(GetPixelBlue(image,p));
|
|
|
*q++=ScaleQuantumToLongLong(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToLongLong(GetPixelRed(image,p));
|
|
|
*q++=0U;
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"I") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToLongLong(ClampToQuantum(
|
|
|
GetPixelIntensity(image,p)));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"RGB") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToLongLong(GetPixelRed(image,p));
|
|
|
*q++=ScaleQuantumToLongLong(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToLongLong(GetPixelBlue(image,p));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"RGBA") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToLongLong(GetPixelRed(image,p));
|
|
|
*q++=ScaleQuantumToLongLong(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToLongLong(GetPixelBlue(image,p));
|
|
|
*q++=ScaleQuantumToLongLong(GetPixelAlpha(image,p));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"RGBP") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToLongLong(GetPixelRed(image,p));
|
|
|
*q++=ScaleQuantumToLongLong(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToLongLong(GetPixelBlue(image,p));
|
|
|
*q++=0U;
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
for (i=0; i < (ssize_t) length; i++)
|
|
|
{
|
|
|
*q=0;
|
|
|
switch (quantum_map[i])
|
|
|
{
|
|
|
case RedQuantum:
|
|
|
case CyanQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToLongLong(GetPixelRed(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case GreenQuantum:
|
|
|
case MagentaQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToLongLong(GetPixelGreen(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case BlueQuantum:
|
|
|
case YellowQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToLongLong(GetPixelBlue(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case AlphaQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToLongLong(GetPixelAlpha(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case OpacityQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToLongLong(GetPixelOpacity(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case BlackQuantum:
|
|
|
{
|
|
|
if (image->colorspace == CMYKColorspace)
|
|
|
*q=ScaleQuantumToLongLong(GetPixelBlack(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case IndexQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToLongLong(ClampToQuantum(
|
|
|
GetPixelIntensity(image,p)));
|
|
|
break;
|
|
|
}
|
|
|
default:
|
|
|
*q=0;
|
|
|
}
|
|
|
q++;
|
|
|
}
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
case QuantumPixel:
|
|
|
{
|
|
|
Quantum
|
|
|
*q;
|
|
|
|
|
|
q=(Quantum *) stream_info->pixels;
|
|
|
if (LocaleCompare(stream_info->map,"BGR") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=GetPixelBlue(image,p);
|
|
|
*q++=GetPixelGreen(image,p);
|
|
|
*q++=GetPixelRed(image,p);
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"BGRA") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=GetPixelBlue(image,p);
|
|
|
*q++=GetPixelGreen(image,p);
|
|
|
*q++=GetPixelRed(image,p);
|
|
|
*q++=GetPixelAlpha(image,p);
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"BGRP") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=GetPixelBlue(image,p);
|
|
|
*q++=GetPixelGreen(image,p);
|
|
|
*q++=GetPixelRed(image,p);
|
|
|
*q++=(Quantum) 0;
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"I") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ClampToQuantum(GetPixelIntensity(image,p));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"RGB") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=GetPixelRed(image,p);
|
|
|
*q++=GetPixelGreen(image,p);
|
|
|
*q++=GetPixelBlue(image,p);
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"RGBA") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=GetPixelRed(image,p);
|
|
|
*q++=GetPixelGreen(image,p);
|
|
|
*q++=GetPixelBlue(image,p);
|
|
|
*q++=GetPixelAlpha(image,p);
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"RGBP") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=GetPixelRed(image,p);
|
|
|
*q++=GetPixelGreen(image,p);
|
|
|
*q++=GetPixelBlue(image,p);
|
|
|
*q++=(Quantum) 0;
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
for (i=0; i < (ssize_t) length; i++)
|
|
|
{
|
|
|
*q=(Quantum) 0;
|
|
|
switch (quantum_map[i])
|
|
|
{
|
|
|
case RedQuantum:
|
|
|
case CyanQuantum:
|
|
|
{
|
|
|
*q=GetPixelRed(image,p);
|
|
|
break;
|
|
|
}
|
|
|
case GreenQuantum:
|
|
|
case MagentaQuantum:
|
|
|
{
|
|
|
*q=GetPixelGreen(image,p);
|
|
|
break;
|
|
|
}
|
|
|
case BlueQuantum:
|
|
|
case YellowQuantum:
|
|
|
{
|
|
|
*q=GetPixelBlue(image,p);
|
|
|
break;
|
|
|
}
|
|
|
case AlphaQuantum:
|
|
|
{
|
|
|
*q=GetPixelAlpha(image,p);
|
|
|
break;
|
|
|
}
|
|
|
case OpacityQuantum:
|
|
|
{
|
|
|
*q=GetPixelOpacity(image,p);
|
|
|
break;
|
|
|
}
|
|
|
case BlackQuantum:
|
|
|
{
|
|
|
if (image->colorspace == CMYKColorspace)
|
|
|
*q=GetPixelBlack(image,p);
|
|
|
break;
|
|
|
}
|
|
|
case IndexQuantum:
|
|
|
{
|
|
|
*q=ClampToQuantum(GetPixelIntensity(image,p));
|
|
|
break;
|
|
|
}
|
|
|
default:
|
|
|
*q=(Quantum) 0;
|
|
|
}
|
|
|
q++;
|
|
|
}
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
case ShortPixel:
|
|
|
{
|
|
|
unsigned short
|
|
|
*q;
|
|
|
|
|
|
q=(unsigned short *) stream_info->pixels;
|
|
|
if (LocaleCompare(stream_info->map,"BGR") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToShort(GetPixelBlue(image,p));
|
|
|
*q++=ScaleQuantumToShort(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToShort(GetPixelRed(image,p));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"BGRA") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToShort(GetPixelBlue(image,p));
|
|
|
*q++=ScaleQuantumToShort(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToShort(GetPixelRed(image,p));
|
|
|
*q++=ScaleQuantumToShort(GetPixelAlpha(image,p));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"BGRP") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToShort(GetPixelBlue(image,p));
|
|
|
*q++=ScaleQuantumToShort(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToShort(GetPixelRed(image,p));
|
|
|
*q++=0;
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"I") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToShort(ClampToQuantum(
|
|
|
GetPixelIntensity(image,p)));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"RGB") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToShort(GetPixelRed(image,p));
|
|
|
*q++=ScaleQuantumToShort(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToShort(GetPixelBlue(image,p));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"RGBA") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToShort(GetPixelRed(image,p));
|
|
|
*q++=ScaleQuantumToShort(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToShort(GetPixelBlue(image,p));
|
|
|
*q++=ScaleQuantumToShort(GetPixelAlpha(image,p));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
if (LocaleCompare(stream_info->map,"RGBP") == 0)
|
|
|
{
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToShort(GetPixelRed(image,p));
|
|
|
*q++=ScaleQuantumToShort(GetPixelGreen(image,p));
|
|
|
*q++=ScaleQuantumToShort(GetPixelBlue(image,p));
|
|
|
*q++=0;
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
p=GetAuthenticPixelQueue(image);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) GetImageExtent(image); x++)
|
|
|
{
|
|
|
for (i=0; i < (ssize_t) length; i++)
|
|
|
{
|
|
|
*q=0;
|
|
|
switch (quantum_map[i])
|
|
|
{
|
|
|
case RedQuantum:
|
|
|
case CyanQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToShort(GetPixelRed(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case GreenQuantum:
|
|
|
case MagentaQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToShort(GetPixelGreen(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case BlueQuantum:
|
|
|
case YellowQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToShort(GetPixelBlue(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case AlphaQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToShort(GetPixelAlpha(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case OpacityQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToShort(GetPixelOpacity(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case BlackQuantum:
|
|
|
{
|
|
|
if (image->colorspace == CMYKColorspace)
|
|
|
*q=ScaleQuantumToShort(GetPixelBlack(image,p));
|
|
|
break;
|
|
|
}
|
|
|
case IndexQuantum:
|
|
|
{
|
|
|
*q=ScaleQuantumToShort(ClampToQuantum(
|
|
|
GetPixelIntensity(image,p)));
|
|
|
break;
|
|
|
}
|
|
|
default:
|
|
|
break;
|
|
|
}
|
|
|
q++;
|
|
|
}
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
default:
|
|
|
{
|
|
|
quantum_map=(QuantumType *) RelinquishMagickMemory(quantum_map);
|
|
|
(void) ThrowMagickException(exception,GetMagickModule(),OptionError,
|
|
|
"UnrecognizedPixelMap","`%s'",stream_info->map);
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
quantum_map=(QuantumType *) RelinquishMagickMemory(quantum_map);
|
|
|
return(MagickTrue);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
+ S y n c A u t h e n t i c P i x e l s S t r e a m %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% SyncAuthenticPixelsStream() calls the user supplied callback method with
|
|
|
% the latest stream of pixels.
|
|
|
%
|
|
|
% The format of the SyncAuthenticPixelsStream method is:
|
|
|
%
|
|
|
% MagickBooleanType SyncAuthenticPixelsStream(Image *image,
|
|
|
% ExceptionInfo *exception)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o image: the image.
|
|
|
%
|
|
|
% o exception: return any errors or warnings in this structure.
|
|
|
%
|
|
|
*/
|
|
|
static MagickBooleanType SyncAuthenticPixelsStream(Image *image,
|
|
|
ExceptionInfo *exception)
|
|
|
{
|
|
|
CacheInfo
|
|
|
*cache_info;
|
|
|
|
|
|
size_t
|
|
|
length;
|
|
|
|
|
|
StreamHandler
|
|
|
stream_handler;
|
|
|
|
|
|
assert(image != (Image *) NULL);
|
|
|
assert(image->signature == MagickCoreSignature);
|
|
|
if (image->debug != MagickFalse)
|
|
|
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
|
|
cache_info=(CacheInfo *) image->cache;
|
|
|
assert(cache_info->signature == MagickCoreSignature);
|
|
|
stream_handler=GetBlobStreamHandler(image);
|
|
|
if (stream_handler == (StreamHandler) NULL)
|
|
|
{
|
|
|
(void) ThrowMagickException(exception,GetMagickModule(),StreamError,
|
|
|
"NoStreamHandlerIsDefined","`%s'",image->filename);
|
|
|
return(MagickFalse);
|
|
|
}
|
|
|
length=stream_handler(image,cache_info->pixels,(size_t) cache_info->columns);
|
|
|
return(length == cache_info->columns ? MagickTrue : MagickFalse);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% W r i t e S t r e a m %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% WriteStream() makes the image pixels available to a user supplied callback
|
|
|
% method immediately upon writing pixel data with the WriteImage() method.
|
|
|
%
|
|
|
% The format of the WriteStream() method is:
|
|
|
%
|
|
|
% MagickBooleanType WriteStream(const ImageInfo *image_info,Image *,
|
|
|
% StreamHandler stream,ExceptionInfo *exception)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o image_info: the image info.
|
|
|
%
|
|
|
% o stream: A callback method.
|
|
|
%
|
|
|
% o exception: return any errors or warnings in this structure.
|
|
|
%
|
|
|
*/
|
|
|
MagickExport MagickBooleanType WriteStream(const ImageInfo *image_info,
|
|
|
Image *image,StreamHandler stream,ExceptionInfo *exception)
|
|
|
{
|
|
|
ImageInfo
|
|
|
*write_info;
|
|
|
|
|
|
MagickBooleanType
|
|
|
status;
|
|
|
|
|
|
assert(image_info != (ImageInfo *) NULL);
|
|
|
assert(image_info->signature == MagickCoreSignature);
|
|
|
if (image_info->debug != MagickFalse)
|
|
|
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
|
|
|
image_info->filename);
|
|
|
assert(image != (Image *) NULL);
|
|
|
assert(image->signature == MagickCoreSignature);
|
|
|
write_info=CloneImageInfo(image_info);
|
|
|
*write_info->magick='\0';
|
|
|
write_info->stream=stream;
|
|
|
status=WriteImage(write_info,image,exception);
|
|
|
write_info=DestroyImageInfo(write_info);
|
|
|
return(status);
|
|
|
}
|
