% GGG R R A A Y %
% %
% %
-% Read/Write RAW Gray Image Format %
+% Read/Write Raw GRAY Image Format %
% %
% Software Design %
% Cristy %
Include declarations.
*/
#include "MagickCore/studio.h"
-#include "MagickCore/attribute.h"
#include "MagickCore/blob.h"
#include "MagickCore/blob-private.h"
#include "MagickCore/cache.h"
+#include "MagickCore/channel.h"
#include "MagickCore/colorspace.h"
#include "MagickCore/colorspace-private.h"
#include "MagickCore/constitute.h"
#include "MagickCore/memory_.h"
#include "MagickCore/monitor.h"
#include "MagickCore/monitor-private.h"
-#include "MagickCore/pixel.h"
#include "MagickCore/pixel-accessor.h"
#include "MagickCore/quantum-private.h"
#include "MagickCore/static.h"
#include "MagickCore/statistic.h"
#include "MagickCore/string_.h"
#include "MagickCore/module.h"
+#include "MagickCore/utility.h"
\f
/*
Forward declarations.
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
-% ReadGRAYImage() reads an image of raw grayscale samples and returns
-% it. It allocates the memory necessary for the new Image structure and
-% returns a pointer to the new image.
+% ReadGRAYImage() reads an image of raw GRAY samples and returns it. It
+% allocates the memory necessary for the new Image structure and returns a
+% pointer to the new image.
%
% The format of the ReadGRAYImage method is:
%
QuantumType
quantum_type;
+ register ssize_t
+ i;
+
size_t
length;
image=AcquireImage(image_info,exception);
if ((image->columns == 0) || (image->rows == 0))
ThrowReaderException(OptionError,"MustSpecifyImageSize");
- status=SetImageExtent(image,image->columns,image->rows,exception);
- if (status == MagickFalse)
- return(DestroyImageList(image));
- status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
- if (status == MagickFalse)
+ image->colorspace=GRAYColorspace;
+ if (image_info->interlace != PartitionInterlace)
{
- image=DestroyImageList(image);
- return((Image *) NULL);
+ status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
+ if (status == MagickFalse)
+ {
+ image=DestroyImageList(image);
+ return((Image *) NULL);
+ }
+ if (DiscardBlobBytes(image,(MagickSizeType) image->offset) == MagickFalse)
+ ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
+ image->filename);
}
- if (DiscardBlobBytes(image,(MagickSizeType) image->offset) == MagickFalse)
- ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
- image->filename);
/*
- Create virtual canvas to support cropping (i.e. image.gray[100x100+10+20]).
+ Create virtual canvas to support cropping (i.e. image.rgb[100x100+10+20]).
*/
- (void) SetImageColorspace(image,GRAYColorspace,exception);
canvas_image=CloneImage(image,image->extract_info.width,1,MagickFalse,
exception);
+ if(canvas_image == (Image *) NULL)
+ ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
(void) SetImageVirtualPixelMethod(canvas_image,BlackVirtualPixelMethod,
exception);
- quantum_type=GrayQuantum;
quantum_info=AcquireQuantumInfo(image_info,canvas_image);
if (quantum_info == (QuantumInfo *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
+ quantum_type=GrayQuantum;
+ if (LocaleCompare(image_info->magick,"GRAYA") == 0)
+ {
+ quantum_type=GrayAlphaQuantum;
+ image->alpha_trait=BlendPixelTrait;
+ canvas_image->alpha_trait=BlendPixelTrait;
+ }
pixels=(const unsigned char *) NULL;
if (image_info->number_scenes != 0)
while (image->scene < image_info->scene)
break;
}
}
- scene=0;
count=0;
length=0;
- status=MagickTrue;
+ scene=0;
do
{
/*
break;
status=SetImageExtent(image,image->columns,image->rows,exception);
if (status == MagickFalse)
- break;
- if (SetImageColorspace(image,GRAYColorspace,exception) == MagickFalse)
- break;
- if (scene == 0)
- {
- length=GetQuantumExtent(canvas_image,quantum_info,quantum_type);
- pixels=(const unsigned char *) ReadBlobStream(image,length,
- GetQuantumPixels(quantum_info),&count);
- if (count != (ssize_t) length)
- break;
- }
- for (y=0; y < (ssize_t) image->extract_info.height; y++)
+ return(DestroyImageList(image));
+ switch (image_info->interlace)
{
- register const Quantum
- *magick_restrict p;
+ case NoInterlace:
+ default:
+ {
+ /*
+ No interlacing: GRAYGRAYGRAYGRAYGRAYGRAY...
+ */
+ if (scene == 0)
+ {
+ length=GetQuantumExtent(canvas_image,quantum_info,quantum_type);
+ pixels=(const unsigned char *) ReadBlobStream(image,length,
+ GetQuantumPixels(quantum_info),&count);
+ if (count != (ssize_t) length)
+ break;
+ }
+ for (y=0; y < (ssize_t) image->extract_info.height; y++)
+ {
+ register const Quantum
+ *magick_restrict p;
- register ssize_t
- x;
+ register Quantum
+ *magick_restrict q;
- register Quantum
- *magick_restrict q;
+ register ssize_t
+ x;
+
+ if (count != (ssize_t) length)
+ {
+ ThrowFileException(exception,CorruptImageError,
+ "UnexpectedEndOfFile",image->filename);
+ break;
+ }
+ q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
+ exception);
+ if (q == (Quantum *) NULL)
+ break;
+ length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
+ quantum_info,quantum_type,pixels,exception);
+ if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse)
+ break;
+ if (((y-image->extract_info.y) >= 0) &&
+ ((y-image->extract_info.y) < (ssize_t) image->rows))
+ {
+ p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0,
+ canvas_image->columns,1,exception);
+ q=QueueAuthenticPixels(image,0,y-image->extract_info.y,
+ image->columns,1,exception);
+ if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
+ break;
+ for (x=0; x < (ssize_t) image->columns; x++)
+ {
+ SetPixelRed(image,GetPixelRed(canvas_image,p),q);
+ SetPixelGreen(image,GetPixelGreen(canvas_image,p),q);
+ SetPixelBlue(image,GetPixelBlue(canvas_image,p),q);
+ SetPixelAlpha(image,OpaqueAlpha,q);
+ if (image->alpha_trait != UndefinedPixelTrait)
+ SetPixelAlpha(image,GetPixelAlpha(canvas_image,p),q);
+ p+=GetPixelChannels(canvas_image);
+ q+=GetPixelChannels(image);
+ }
+ if (SyncAuthenticPixels(image,exception) == MagickFalse)
+ break;
+ }
+ if (image->previous == (Image *) NULL)
+ {
+ status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
+ image->rows);
+ if (status == MagickFalse)
+ break;
+ }
+ pixels=(const unsigned char *) ReadBlobStream(image,length,
+ GetQuantumPixels(quantum_info),&count);
+ if (count != (ssize_t) length)
+ break;
+ }
+ break;
+ }
+ case LineInterlace:
+ {
+ static QuantumType
+ quantum_types[4] =
+ {
+ RedQuantum,
+ GreenQuantum,
+ BlueQuantum,
+ AlphaQuantum
+ };
- if (count != (ssize_t) length)
+ /*
+ Line interlacing: RRR...GGG...BBB...RRR...GGG...BBB...
+ */
+ if (LocaleCompare(image_info->magick,"GRAYO") == 0)
+ quantum_types[3]=OpacityQuantum;
+ if (scene == 0)
+ {
+ length=GetQuantumExtent(canvas_image,quantum_info,RedQuantum);
+ pixels=(const unsigned char *) ReadBlobStream(image,length,
+ GetQuantumPixels(quantum_info),&count);
+ if (count != (ssize_t) length)
+ break;
+ }
+ for (y=0; y < (ssize_t) image->extract_info.height; y++)
{
- status=MagickFalse;
- ThrowFileException(exception,CorruptImageError,
- "UnexpectedEndOfFile",image->filename);
- break;
+ register const Quantum
+ *magick_restrict p;
+
+ register Quantum
+ *magick_restrict q;
+
+ register ssize_t
+ x;
+
+ if (count != (ssize_t) length)
+ {
+ ThrowFileException(exception,CorruptImageError,
+ "UnexpectedEndOfFile",image->filename);
+ break;
+ }
+ for (i=0; i < (ssize_t) (image->alpha_trait != UndefinedPixelTrait ? 4 : 3); i++)
+ {
+ quantum_type=quantum_types[i];
+ q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
+ exception);
+ if (q == (Quantum *) NULL)
+ break;
+ length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
+ quantum_info,quantum_type,pixels,exception);
+ if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse)
+ break;
+ if (((y-image->extract_info.y) >= 0) &&
+ ((y-image->extract_info.y) < (ssize_t) image->rows))
+ {
+ p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,
+ 0,canvas_image->columns,1,exception);
+ q=GetAuthenticPixels(image,0,y-image->extract_info.y,
+ image->columns,1,exception);
+ if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
+ break;
+ for (x=0; x < (ssize_t) image->columns; x++)
+ {
+ switch (quantum_type)
+ {
+ case RedQuantum:
+ {
+ SetPixelRed(image,GetPixelRed(canvas_image,p),q);
+ break;
+ }
+ case GreenQuantum:
+ {
+ SetPixelGreen(image,GetPixelGreen(canvas_image,p),q);
+ break;
+ }
+ case BlueQuantum:
+ {
+ SetPixelBlue(image,GetPixelBlue(canvas_image,p),q);
+ break;
+ }
+ case OpacityQuantum:
+ {
+ SetPixelAlpha(image,GetPixelAlpha(canvas_image,p),q);
+ break;
+ }
+ case AlphaQuantum:
+ {
+ SetPixelAlpha(image,GetPixelAlpha(canvas_image,p),q);
+ break;
+ }
+ default:
+ break;
+ }
+ p+=GetPixelChannels(canvas_image);
+ q+=GetPixelChannels(image);
+ }
+ if (SyncAuthenticPixels(image,exception) == MagickFalse)
+ break;
+ }
+ pixels=(const unsigned char *) ReadBlobStream(image,length,
+ GetQuantumPixels(quantum_info),&count);
+ if (count != (ssize_t) length)
+ break;
+ }
+ if (image->previous == (Image *) NULL)
+ {
+ status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
+ image->rows);
+ if (status == MagickFalse)
+ break;
+ }
}
- q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,exception);
- if (q == (Quantum *) NULL)
break;
- length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,quantum_info,
- quantum_type,pixels,exception);
- if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse)
+ }
+ case PlaneInterlace:
+ {
+ /*
+ Plane interlacing: RRRRRR...GGGGGG...BBBBBB...
+ */
+ if (scene == 0)
+ {
+ length=GetQuantumExtent(canvas_image,quantum_info,RedQuantum);
+ pixels=(const unsigned char *) ReadBlobStream(image,length,
+ GetQuantumPixels(quantum_info),&count);
+ if (count != (ssize_t) length)
+ break;
+ }
+ for (y=0; y < (ssize_t) image->extract_info.height; y++)
+ {
+ register const Quantum
+ *magick_restrict p;
+
+ register Quantum
+ *magick_restrict q;
+
+ register ssize_t
+ x;
+
+ if (count != (ssize_t) length)
+ {
+ ThrowFileException(exception,CorruptImageError,
+ "UnexpectedEndOfFile",image->filename);
+ break;
+ }
+ q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
+ exception);
+ if (q == (Quantum *) NULL)
+ break;
+ length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
+ quantum_info,RedQuantum,pixels,exception);
+ if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse)
+ break;
+ if (((y-image->extract_info.y) >= 0) &&
+ ((y-image->extract_info.y) < (ssize_t) image->rows))
+ {
+ p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0,
+ canvas_image->columns,1,exception);
+ q=GetAuthenticPixels(image,0,y-image->extract_info.y,
+ image->columns,1,exception);
+ if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
+ break;
+ for (x=0; x < (ssize_t) image->columns; x++)
+ {
+ SetPixelRed(image,GetPixelRed(canvas_image,p),q);
+ p+=GetPixelChannels(canvas_image);
+ q+=GetPixelChannels(image);
+ }
+ if (SyncAuthenticPixels(image,exception) == MagickFalse)
+ break;
+ }
+ pixels=(const unsigned char *) ReadBlobStream(image,length,
+ GetQuantumPixels(quantum_info),&count);
+ if (count != (ssize_t) length)
+ break;
+ }
+ if (image->previous == (Image *) NULL)
+ {
+ status=SetImageProgress(image,LoadImageTag,1,6);
+ if (status == MagickFalse)
+ break;
+ }
+ for (y=0; y < (ssize_t) image->extract_info.height; y++)
+ {
+ register const Quantum
+ *magick_restrict p;
+
+ register Quantum
+ *magick_restrict q;
+
+ register ssize_t
+ x;
+
+ if (count != (ssize_t) length)
+ {
+ ThrowFileException(exception,CorruptImageError,
+ "UnexpectedEndOfFile",image->filename);
+ break;
+ }
+ q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
+ exception);
+ if (q == (Quantum *) NULL)
+ break;
+ length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
+ quantum_info,GreenQuantum,pixels,exception);
+ if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse)
+ break;
+ if (((y-image->extract_info.y) >= 0) &&
+ ((y-image->extract_info.y) < (ssize_t) image->rows))
+ {
+ p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0,
+ canvas_image->columns,1,exception);
+ q=GetAuthenticPixels(image,0,y-image->extract_info.y,
+ image->columns,1,exception);
+ if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
+ break;
+ for (x=0; x < (ssize_t) image->columns; x++)
+ {
+ SetPixelGreen(image,GetPixelGreen(canvas_image,p),q);
+ p+=GetPixelChannels(canvas_image);
+ q+=GetPixelChannels(image);
+ }
+ if (SyncAuthenticPixels(image,exception) == MagickFalse)
+ break;
+ }
+ pixels=(const unsigned char *) ReadBlobStream(image,length,
+ GetQuantumPixels(quantum_info),&count);
+ if (count != (ssize_t) length)
+ break;
+ }
+ if (image->previous == (Image *) NULL)
+ {
+ status=SetImageProgress(image,LoadImageTag,2,6);
+ if (status == MagickFalse)
+ break;
+ }
+ for (y=0; y < (ssize_t) image->extract_info.height; y++)
+ {
+ register const Quantum
+ *magick_restrict p;
+
+ register Quantum
+ *magick_restrict q;
+
+ register ssize_t
+ x;
+
+ if (count != (ssize_t) length)
+ {
+ ThrowFileException(exception,CorruptImageError,
+ "UnexpectedEndOfFile",image->filename);
+ break;
+ }
+ q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
+ exception);
+ if (q == (Quantum *) NULL)
+ break;
+ length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
+ quantum_info,BlueQuantum,pixels,exception);
+ if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse)
+ break;
+ if (((y-image->extract_info.y) >= 0) &&
+ ((y-image->extract_info.y) < (ssize_t) image->rows))
+ {
+ p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0,
+ canvas_image->columns,1,exception);
+ q=GetAuthenticPixels(image,0,y-image->extract_info.y,
+ image->columns,1,exception);
+ if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
+ break;
+ for (x=0; x < (ssize_t) image->columns; x++)
+ {
+ SetPixelBlue(image,GetPixelBlue(canvas_image,p),q);
+ p+=GetPixelChannels(canvas_image);
+ q+=GetPixelChannels(image);
+ }
+ if (SyncAuthenticPixels(image,exception) == MagickFalse)
+ break;
+ }
+ pixels=(const unsigned char *) ReadBlobStream(image,length,
+ GetQuantumPixels(quantum_info),&count);
+ if (count != (ssize_t) length)
+ break;
+ }
+ if (image->previous == (Image *) NULL)
+ {
+ status=SetImageProgress(image,LoadImageTag,3,6);
+ if (status == MagickFalse)
+ break;
+ }
+ if (image->previous == (Image *) NULL)
+ {
+ status=SetImageProgress(image,LoadImageTag,4,6);
+ if (status == MagickFalse)
+ break;
+ }
+ if (image->alpha_trait != UndefinedPixelTrait)
+ {
+ for (y=0; y < (ssize_t) image->extract_info.height; y++)
+ {
+ register const Quantum
+ *magick_restrict p;
+
+ register Quantum
+ *magick_restrict q;
+
+ register ssize_t
+ x;
+
+ if (count != (ssize_t) length)
+ {
+ ThrowFileException(exception,CorruptImageError,
+ "UnexpectedEndOfFile",image->filename);
+ break;
+ }
+ q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
+ exception);
+ if (q == (Quantum *) NULL)
+ break;
+ length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
+ quantum_info,AlphaQuantum,pixels,exception);
+ if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse)
+ break;
+ if (((y-image->extract_info.y) >= 0) &&
+ ((y-image->extract_info.y) < (ssize_t) image->rows))
+ {
+ p=GetVirtualPixels(canvas_image,
+ canvas_image->extract_info.x,0,canvas_image->columns,1,
+ exception);
+ q=GetAuthenticPixels(image,0,y-image->extract_info.y,
+ image->columns,1,exception);
+ if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
+ break;
+ for (x=0; x < (ssize_t) image->columns; x++)
+ {
+ SetPixelAlpha(image,GetPixelAlpha(canvas_image,p),q);
+ p+=GetPixelChannels(canvas_image);
+ q+=GetPixelChannels(image);
+ }
+ if (SyncAuthenticPixels(image,exception) == MagickFalse)
+ break;
+ }
+ pixels=(const unsigned char *) ReadBlobStream(image,length,
+ GetQuantumPixels(quantum_info),&count);
+ if (count != (ssize_t) length)
+ break;
+ }
+ if (image->previous == (Image *) NULL)
+ {
+ status=SetImageProgress(image,LoadImageTag,5,6);
+ if (status == MagickFalse)
+ break;
+ }
+ }
+ if (image->previous == (Image *) NULL)
+ {
+ status=SetImageProgress(image,LoadImageTag,6,6);
+ if (status == MagickFalse)
+ break;
+ }
break;
- if (((y-image->extract_info.y) >= 0) &&
- ((y-image->extract_info.y) < (ssize_t) image->rows))
+ }
+ case PartitionInterlace:
+ {
+ /*
+ Partition interlacing: RRRRRR..., GGGGGG..., BBBBBB...
+ */
+ AppendImageFormat("R",image->filename);
+ status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
+ if (status == MagickFalse)
+ {
+ canvas_image=DestroyImageList(canvas_image);
+ image=DestroyImageList(image);
+ return((Image *) NULL);
+ }
+ if (DiscardBlobBytes(image,(MagickSizeType) image->offset) == MagickFalse)
+ ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
+ image->filename);
+ length=GetQuantumExtent(canvas_image,quantum_info,RedQuantum);
+ for (i=0; i < (ssize_t) scene; i++)
+ for (y=0; y < (ssize_t) image->extract_info.height; y++)
+ {
+ pixels=(const unsigned char *) ReadBlobStream(image,length,
+ GetQuantumPixels(quantum_info),&count);
+ if (count != (ssize_t) length)
+ {
+ ThrowFileException(exception,CorruptImageError,
+ "UnexpectedEndOfFile",image->filename);
+ break;
+ }
+ }
+ pixels=(const unsigned char *) ReadBlobStream(image,length,
+ GetQuantumPixels(quantum_info),&count);
+ if (count != (ssize_t) length)
+ break;
+ for (y=0; y < (ssize_t) image->extract_info.height; y++)
{
- p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0,
- image->columns,1,exception);
- q=QueueAuthenticPixels(image,0,y-image->extract_info.y,image->columns,
- 1,exception);
- if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
+ register const Quantum
+ *magick_restrict p;
+
+ register Quantum
+ *magick_restrict q;
+
+ register ssize_t
+ x;
+
+ if (count != (ssize_t) length)
+ {
+ ThrowFileException(exception,CorruptImageError,
+ "UnexpectedEndOfFile",image->filename);
+ break;
+ }
+ q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
+ exception);
+ if (q == (Quantum *) NULL)
+ break;
+ length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
+ quantum_info,RedQuantum,pixels,exception);
+ if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse)
break;
- for (x=0; x < (ssize_t) image->columns; x++)
+ if (((y-image->extract_info.y) >= 0) &&
+ ((y-image->extract_info.y) < (ssize_t) image->rows))
+ {
+ p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0,
+ canvas_image->columns,1,exception);
+ q=GetAuthenticPixels(image,0,y-image->extract_info.y,
+ image->columns,1,exception);
+ if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
+ break;
+ for (x=0; x < (ssize_t) image->columns; x++)
+ {
+ SetPixelRed(image,GetPixelRed(canvas_image,p),q);
+ p+=GetPixelChannels(canvas_image);
+ q+=GetPixelChannels(image);
+ }
+ if (SyncAuthenticPixels(image,exception) == MagickFalse)
+ break;
+ }
+ pixels=(const unsigned char *) ReadBlobStream(image,length,
+ GetQuantumPixels(quantum_info),&count);
+ if (count != (ssize_t) length)
+ break;
+ }
+ if (image->previous == (Image *) NULL)
+ {
+ status=SetImageProgress(image,LoadImageTag,1,5);
+ if (status == MagickFalse)
+ break;
+ }
+ (void) CloseBlob(image);
+ AppendImageFormat("G",image->filename);
+ status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
+ if (status == MagickFalse)
+ {
+ canvas_image=DestroyImageList(canvas_image);
+ image=DestroyImageList(image);
+ return((Image *) NULL);
+ }
+ length=GetQuantumExtent(canvas_image,quantum_info,GreenQuantum);
+ for (i=0; i < (ssize_t) scene; i++)
+ for (y=0; y < (ssize_t) image->extract_info.height; y++)
{
- SetPixelGray(image,GetPixelGray(canvas_image,p),q);
- p+=GetPixelChannels(canvas_image);
- q+=GetPixelChannels(image);
+ pixels=(const unsigned char *) ReadBlobStream(image,length,
+ GetQuantumPixels(quantum_info),&count);
+ if (count != (ssize_t) length)
+ {
+ ThrowFileException(exception,CorruptImageError,
+ "UnexpectedEndOfFile",image->filename);
+ break;
+ }
}
- if (SyncAuthenticPixels(image,exception) == MagickFalse)
+ pixels=(const unsigned char *) ReadBlobStream(image,length,
+ GetQuantumPixels(quantum_info),&count);
+ if (count != (ssize_t) length)
+ break;
+ for (y=0; y < (ssize_t) image->extract_info.height; y++)
+ {
+ register const Quantum
+ *magick_restrict p;
+
+ register Quantum
+ *magick_restrict q;
+
+ register ssize_t
+ x;
+
+ if (count != (ssize_t) length)
+ {
+ ThrowFileException(exception,CorruptImageError,
+ "UnexpectedEndOfFile",image->filename);
+ break;
+ }
+ q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
+ exception);
+ if (q == (Quantum *) NULL)
+ break;
+ length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
+ quantum_info,GreenQuantum,pixels,exception);
+ if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse)
+ break;
+ if (((y-image->extract_info.y) >= 0) &&
+ ((y-image->extract_info.y) < (ssize_t) image->rows))
+ {
+ p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0,
+ canvas_image->columns,1,exception);
+ q=GetAuthenticPixels(image,0,y-image->extract_info.y,
+ image->columns,1,exception);
+ if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
+ break;
+ for (x=0; x < (ssize_t) image->columns; x++)
+ {
+ SetPixelGreen(image,GetPixelGreen(canvas_image,p),q);
+ p+=GetPixelChannels(canvas_image);
+ q+=GetPixelChannels(image);
+ }
+ if (SyncAuthenticPixels(image,exception) == MagickFalse)
+ break;
+ }
+ pixels=(const unsigned char *) ReadBlobStream(image,length,
+ GetQuantumPixels(quantum_info),&count);
+ if (count != (ssize_t) length)
break;
}
- if (image->previous == (Image *) NULL)
+ if (image->previous == (Image *) NULL)
+ {
+ status=SetImageProgress(image,LoadImageTag,2,5);
+ if (status == MagickFalse)
+ break;
+ }
+ (void) CloseBlob(image);
+ AppendImageFormat("B",image->filename);
+ status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
+ if (status == MagickFalse)
+ {
+ canvas_image=DestroyImageList(canvas_image);
+ image=DestroyImageList(image);
+ return((Image *) NULL);
+ }
+ length=GetQuantumExtent(canvas_image,quantum_info,BlueQuantum);
+ for (i=0; i < (ssize_t) scene; i++)
+ for (y=0; y < (ssize_t) image->extract_info.height; y++)
+ {
+ pixels=(const unsigned char *) ReadBlobStream(image,length,
+ GetQuantumPixels(quantum_info),&count);
+ if (count != (ssize_t) length)
+ {
+ ThrowFileException(exception,CorruptImageError,
+ "UnexpectedEndOfFile",image->filename);
+ break;
+ }
+ }
+ pixels=(const unsigned char *) ReadBlobStream(image,length,
+ GetQuantumPixels(quantum_info),&count);
+ if (count != (ssize_t) length)
+ break;
+ for (y=0; y < (ssize_t) image->extract_info.height; y++)
{
- status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
- image->rows);
- if (status == MagickFalse)
+ register const Quantum
+ *magick_restrict p;
+
+ register Quantum
+ *magick_restrict q;
+
+ register ssize_t
+ x;
+
+ if (count != (ssize_t) length)
+ {
+ ThrowFileException(exception,CorruptImageError,
+ "UnexpectedEndOfFile",image->filename);
+ break;
+ }
+ q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
+ exception);
+ if (q == (Quantum *) NULL)
+ break;
+ length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
+ quantum_info,BlueQuantum,pixels,exception);
+ if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse)
+ break;
+ if (((y-image->extract_info.y) >= 0) &&
+ ((y-image->extract_info.y) < (ssize_t) image->rows))
+ {
+ p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0,
+ canvas_image->columns,1,exception);
+ q=GetAuthenticPixels(image,0,y-image->extract_info.y,
+ image->columns,1,exception);
+ if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
+ break;
+ for (x=0; x < (ssize_t) image->columns; x++)
+ {
+ SetPixelBlue(image,GetPixelBlue(canvas_image,p),q);
+ p+=GetPixelChannels(canvas_image);
+ q+=GetPixelChannels(image);
+ }
+ if (SyncAuthenticPixels(image,exception) == MagickFalse)
+ break;
+ }
+ pixels=(const unsigned char *) ReadBlobStream(image,length,
+ GetQuantumPixels(quantum_info),&count);
+ if (count != (ssize_t) length)
break;
}
- pixels=(const unsigned char *) ReadBlobStream(image,length,
- GetQuantumPixels(quantum_info),&count);
- if (count != (ssize_t) length)
+ if (image->previous == (Image *) NULL)
+ {
+ status=SetImageProgress(image,LoadImageTag,3,5);
+ if (status == MagickFalse)
+ break;
+ }
+ if (image->alpha_trait != UndefinedPixelTrait)
+ {
+ (void) CloseBlob(image);
+ AppendImageFormat("A",image->filename);
+ status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
+ if (status == MagickFalse)
+ {
+ canvas_image=DestroyImageList(canvas_image);
+ image=DestroyImageList(image);
+ return((Image *) NULL);
+ }
+ length=GetQuantumExtent(canvas_image,quantum_info,AlphaQuantum);
+ for (i=0; i < (ssize_t) scene; i++)
+ for (y=0; y < (ssize_t) image->extract_info.height; y++)
+ {
+ pixels=(const unsigned char *) ReadBlobStream(image,length,
+ GetQuantumPixels(quantum_info),&count);
+ if (count != (ssize_t) length)
+ {
+ ThrowFileException(exception,CorruptImageError,
+ "UnexpectedEndOfFile",image->filename);
+ break;
+ }
+ }
+ pixels=(const unsigned char *) ReadBlobStream(image,length,
+ GetQuantumPixels(quantum_info),&count);
+ if (count != (ssize_t) length)
+ break;
+ for (y=0; y < (ssize_t) image->extract_info.height; y++)
+ {
+ register const Quantum
+ *magick_restrict p;
+
+ register Quantum
+ *magick_restrict q;
+
+ register ssize_t
+ x;
+
+ if (count != (ssize_t) length)
+ {
+ ThrowFileException(exception,CorruptImageError,
+ "UnexpectedEndOfFile",image->filename);
+ break;
+ }
+ q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
+ exception);
+ if (q == (Quantum *) NULL)
+ break;
+ length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
+ quantum_info,BlueQuantum,pixels,exception);
+ if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse)
+ break;
+ if (((y-image->extract_info.y) >= 0) &&
+ ((y-image->extract_info.y) < (ssize_t) image->rows))
+ {
+ p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,
+ 0,canvas_image->columns,1,exception);
+ q=GetAuthenticPixels(image,0,y-image->extract_info.y,
+ image->columns,1,exception);
+ if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
+ break;
+ for (x=0; x < (ssize_t) image->columns; x++)
+ {
+ SetPixelAlpha(image,GetPixelAlpha(canvas_image,p),q);
+ p+=GetPixelChannels(canvas_image);
+ q+=GetPixelChannels(image);
+ }
+ if (SyncAuthenticPixels(image,exception) == MagickFalse)
+ break;
+ }
+ pixels=(const unsigned char *) ReadBlobStream(image,length,
+ GetQuantumPixels(quantum_info),&count);
+ if (count != (ssize_t) length)
+ break;
+ }
+ if (image->previous == (Image *) NULL)
+ {
+ status=SetImageProgress(image,LoadImageTag,4,5);
+ if (status == MagickFalse)
+ break;
+ }
+ }
+ (void) CloseBlob(image);
+ if (image->previous == (Image *) NULL)
+ {
+ status=SetImageProgress(image,LoadImageTag,5,5);
+ if (status == MagickFalse)
+ break;
+ }
break;
+ }
}
SetQuantumImageType(image,quantum_type);
/*
quantum_info=DestroyQuantumInfo(quantum_info);
canvas_image=DestroyImage(canvas_image);
(void) CloseBlob(image);
- if (status == MagickFalse)
- return(DestroyImageList(image));
return(GetFirstImageInList(image));
}
\f
% %
% %
% %
-% R e g i s t e r G R A Y I m a g e %
+% R e g i s t e r G R A Y I m a g e %
% %
% %
% %
entry->flags|=CoderRawSupportFlag;
entry->flags|=CoderEndianSupportFlag;
(void) RegisterMagickInfo(entry);
+ entry=AcquireMagickInfo("GRAY","GRAYA","Raw gray and alpha samples");
+ entry->decoder=(DecodeImageHandler *) ReadGRAYImage;
+ entry->encoder=(EncodeImageHandler *) WriteGRAYImage;
+ entry->flags|=CoderRawSupportFlag;
+ entry->flags|=CoderEndianSupportFlag;
+ (void) RegisterMagickInfo(entry);
return(MagickImageCoderSignature);
}
\f
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
-% UnregisterGRAYImage() removes format registrations made by the
-% GRAY module from the list of supported formats.
+% UnregisterGRAYImage() removes format registrations made by the GRAY module
+% from the list of supported formats.
%
% The format of the UnregisterGRAYImage method is:
%
*/
ModuleExport void UnregisterGRAYImage(void)
{
+ (void) UnregisterMagickInfo("GRAYA");
(void) UnregisterMagickInfo("GRAY");
}
\f
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
-% WriteGRAYImage() writes an image to a file as gray scale intensity
-% values.
+% WriteGRAYImage() writes an image to a file in the GRAY, GRAYAlpha, or GRAYO
+% rasterfile format.
%
% The format of the WriteGRAYImage method is:
%
*pixels;
/*
- Open output image file.
+ Allocate memory for pixels.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
assert(image->signature == MagickCoreSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
- assert(exception != (ExceptionInfo *) NULL);
- assert(exception->signature == MagickCoreSignature);
- status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
- if (status == MagickFalse)
- return(status);
+ if (image_info->interlace != PartitionInterlace)
+ {
+ /*
+ Open output image file.
+ */
+ status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
+ if (status == MagickFalse)
+ return(status);
+ }
+ quantum_type=GrayQuantum;
+ if (LocaleCompare(image_info->magick,"GRAYA") == 0)
+ quantum_type=GrayAlphaQuantum;
scene=0;
do
{
/*
- Write grayscale pixels.
+ Convert MIFF to GRAY raster pixels.
*/
- (void) TransformImageColorspace(image,sRGBColorspace,exception);
- quantum_type=GrayQuantum;
+ (void) TransformImageColorspace(image,GRAYColorspace,exception);
+ if ((LocaleCompare(image_info->magick,"GRAYA") == 0) &&
+ (image->alpha_trait == UndefinedPixelTrait))
+ (void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
quantum_info=AcquireQuantumInfo(image_info,image);
if (quantum_info == (QuantumInfo *) NULL)
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
pixels=(unsigned char *) GetQuantumPixels(quantum_info);
- for (y=0; y < (ssize_t) image->rows; y++)
+ switch (image_info->interlace)
{
- register const Quantum
- *magick_restrict p;
+ case NoInterlace:
+ default:
+ {
+ /*
+ No interlacing: GGG...
+ */
+ for (y=0; y < (ssize_t) image->rows; y++)
+ {
+ register const Quantum
+ *magick_restrict p;
- p=GetVirtualPixels(image,0,y,image->columns,1,exception);
- if (p == (const Quantum *) NULL)
+ p=GetVirtualPixels(image,0,y,image->columns,1,exception);
+ if (p == (const Quantum *) NULL)
+ break;
+ length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+ quantum_type,pixels,exception);
+ count=WriteBlob(image,length,pixels);
+ if (count != (ssize_t) length)
+ break;
+ if (image->previous == (Image *) NULL)
+ {
+ status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
+ image->rows);
+ if (status == MagickFalse)
+ break;
+ }
+ }
break;
- length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
- quantum_type,pixels,exception);
- count=WriteBlob(image,length,pixels);
- if (count != (ssize_t) length)
+ }
+ case LineInterlace:
+ {
+ /*
+ Line interlacing: GGG...
+ */
+ for (y=0; y < (ssize_t) image->rows; y++)
+ {
+ register const Quantum
+ *magick_restrict p;
+
+ p=GetVirtualPixels(image,0,y,image->columns,1,exception);
+ if (p == (const Quantum *) NULL)
+ break;
+ length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+ GrayQuantum,pixels,exception);
+ count=WriteBlob(image,length,pixels);
+ if (count != (ssize_t) length)
+ break;
+ if (quantum_type == GrayAlphaQuantum)
+ {
+ length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+ AlphaQuantum,pixels,exception);
+ count=WriteBlob(image,length,pixels);
+ if (count != (ssize_t) length)
+ break;
+ }
+ if (image->previous == (Image *) NULL)
+ {
+ status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
+ image->rows);
+ if (status == MagickFalse)
+ break;
+ }
+ }
break;
- if (image->previous == (Image *) NULL)
+ }
+ case PlaneInterlace:
+ {
+ /*
+ Plane interlacing: GGG...
+ */
+ for (y=0; y < (ssize_t) image->rows; y++)
{
- status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
- image->rows);
- if (status == MagickFalse)
+ register const Quantum
+ *magick_restrict p;
+
+ p=GetVirtualPixels(image,0,y,image->columns,1,exception);
+ if (p == (const Quantum *) NULL)
+ break;
+ length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+ GrayQuantum,pixels,exception);
+ count=WriteBlob(image,length,pixels);
+ if (count != (ssize_t) length)
break;
}
+ if (image->previous == (Image *) NULL)
+ {
+ status=SetImageProgress(image,SaveImageTag,1,6);
+ if (status == MagickFalse)
+ break;
+ }
+ if (quantum_type == GrayAlphaQuantum)
+ {
+ for (y=0; y < (ssize_t) image->rows; y++)
+ {
+ register const Quantum
+ *magick_restrict p;
+
+ p=GetVirtualPixels(image,0,y,image->columns,1,exception);
+ if (p == (const Quantum *) NULL)
+ break;
+ length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+ AlphaQuantum,pixels,exception);
+ count=WriteBlob(image,length,pixels);
+ if (count != (ssize_t) length)
+ break;
+ }
+ if (image->previous == (Image *) NULL)
+ {
+ status=SetImageProgress(image,SaveImageTag,5,6);
+ if (status == MagickFalse)
+ break;
+ }
+ }
+ if (image_info->interlace == PartitionInterlace)
+ (void) CopyMagickString(image->filename,image_info->filename,
+ MagickPathExtent);
+ if (image->previous == (Image *) NULL)
+ {
+ status=SetImageProgress(image,SaveImageTag,6,6);
+ if (status == MagickFalse)
+ break;
+ }
+ break;
+ }
+ case PartitionInterlace:
+ {
+ /*
+ Partition interlacing: GGG...
+ */
+ AppendImageFormat("G",image->filename);
+ status=OpenBlob(image_info,image,scene == 0 ? WriteBinaryBlobMode :
+ AppendBinaryBlobMode,exception);
+ if (status == MagickFalse)
+ return(status);
+ for (y=0; y < (ssize_t) image->rows; y++)
+ {
+ register const Quantum
+ *magick_restrict p;
+
+ p=GetVirtualPixels(image,0,y,image->columns,1,exception);
+ if (p == (const Quantum *) NULL)
+ break;
+ length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+ RedQuantum,pixels,exception);
+ count=WriteBlob(image,length,pixels);
+ if (count != (ssize_t) length)
+ break;
+ }
+ if (image->previous == (Image *) NULL)
+ {
+ status=SetImageProgress(image,SaveImageTag,1,6);
+ if (status == MagickFalse)
+ break;
+ }
+ (void) CloseBlob(image);
+ if (quantum_type == GrayAlphaQuantum)
+ {
+ (void) CloseBlob(image);
+ AppendImageFormat("A",image->filename);
+ status=OpenBlob(image_info,image,scene == 0 ? WriteBinaryBlobMode :
+ AppendBinaryBlobMode,exception);
+ if (status == MagickFalse)
+ return(status);
+ for (y=0; y < (ssize_t) image->rows; y++)
+ {
+ register const Quantum
+ *magick_restrict p;
+
+ p=GetVirtualPixels(image,0,y,image->columns,1,exception);
+ if (p == (const Quantum *) NULL)
+ break;
+ length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+ AlphaQuantum,pixels,exception);
+ count=WriteBlob(image,length,pixels);
+ if (count != (ssize_t) length)
+ break;
+ }
+ if (image->previous == (Image *) NULL)
+ {
+ status=SetImageProgress(image,SaveImageTag,5,6);
+ if (status == MagickFalse)
+ break;
+ }
+ }
+ (void) CloseBlob(image);
+ (void) CopyMagickString(image->filename,image_info->filename,
+ MagickPathExtent);
+ if (image->previous == (Image *) NULL)
+ {
+ status=SetImageProgress(image,SaveImageTag,6,6);
+ if (status == MagickFalse)
+ break;
+ }
+ break;
+ }
}
quantum_info=DestroyQuantumInfo(quantum_info);
if (GetNextImageInList(image) == (Image *) NULL)
projects / imagemagick / commitdiff