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|
/*
% Copyright (C) 2003 GraphicsMagick Group
% Copyright (C) 2002 ImageMagick Studio
% Copyright 1991-1999 E. I. du Pont de Nemours and Company
%
% This program is covered by multiple licenses, which are described in
% Copyright.txt. You should have received a copy of Copyright.txt with this
% package; otherwise see http://www.graphicsmagick.org/www/Copyright.html.
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% SSSSS U U N N %
% SS U U NN N %
% SSS U U N N N %
% SS U U N NN %
% SSSSS UUU N N %
% %
% %
% Read/Write Sun Rasterfile Image Format. %
% %
% %
% Software Design %
% John Cristy %
% July 1992 %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%
*/
/*
Include declarations.
*/
#include "magick/studio.h"
#include "magick/analyze.h"
#include "magick/blob.h"
#include "magick/colormap.h"
#include "magick/magick.h"
#include "magick/monitor.h"
#include "magick/pixel_cache.h"
#include "magick/utility.h"
/*
Forward declarations.
*/
static unsigned int
WriteSUNImage(const ImageInfo *,Image *);
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% I s S U N %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method IsSUN returns True if the image format type, identified by the
% magick string, is SUN.
%
% The format of the IsSUN method is:
%
% unsigned int IsSUN(const unsigned char *magick,const size_t length)
%
% A description of each parameter follows:
%
% o status: Method IsSUN returns True if the image format type is SUN.
%
% o magick: This string is generally the first few bytes of an image file
% or blob.
%
% o length: Specifies the length of the magick string.
%
%
*/
static unsigned int IsSUN(const unsigned char *magick,const size_t length)
{
if (length < 4)
return(False);
if (memcmp(magick,"\131\246\152\225",4) == 0)
return(True);
return(False);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% D e c o d e I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method DecodeImage unpacks the packed image pixels into
% runlength-encoded pixel packets.
%
% The format of the DecodeImage method is:
%
% unsigned int DecodeImage(const unsigned char *compressed_pixels,
% const size_t length,unsigned char *pixels)
%
% A description of each parameter follows:
%
% o status: Method DecodeImage returns True if all the pixels are
% uncompressed without error, otherwise False.
%
% o compressed_pixels: The address of a byte (8 bits) array of compressed
% pixel data.
%
% o length: An integer value that is the total number of bytes of the
% source image (as just read by ReadBlob)
%
% o pixels: The address of a byte (8 bits) array of pixel data created by
% the uncompression process. The number of bytes in this array
% must be at least equal to the number columns times the number of rows
% of the source pixels.
%
%
*/
static unsigned int DecodeImage(const unsigned char *compressed_pixels,
const size_t length,unsigned char *pixels)
{
register const unsigned char
*p;
register long
count;
register unsigned char
*q;
unsigned char
byte;
assert(compressed_pixels != (unsigned char *) NULL);
assert(pixels != (unsigned char *) NULL);
p=compressed_pixels;
q=pixels;
while ((size_t) (p-compressed_pixels) < length)
{
byte=(*p++);
if (byte != 128U)
*q++=byte;
else
{
/*
Runlength-encoded packet: <count><byte>
*/
count=(*p++);
if (count > 0)
byte=(*p++);
while (count >= 0)
{
*q++=byte;
count--;
}
}
}
return(True);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d S U N I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method ReadSUNImage reads a SUN image file 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 ReadSUNImage method is:
%
% Image *ReadSUNImage(const ImageInfo *image_info,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image: Method ReadSUNImage returns a pointer to the image after
% reading. A null image is returned if there is a memory shortage or
% if the image cannot be read.
%
% o image_info: Specifies a pointer to a ImageInfo structure.
%
% o exception: return any errors or warnings in this structure.
%
%
*/
static Image *ReadSUNImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
#define RMT_EQUAL_RGB 1
#define RMT_NONE 0
#define RMT_RAW 2
#define RT_STANDARD 1
#define RT_ENCODED 2
#define RT_FORMAT_RGB 3
typedef struct _SUNInfo
{
magick_uint32_t
magic,
width,
height,
depth,
length,
type,
maptype,
maplength;
} SUNInfo;
Image
*image;
int
bit;
long
y;
register IndexPacket
*indexes;
register long
x;
register PixelPacket
*q;
register long
i;
register unsigned char
*p;
size_t
count;
SUNInfo
sun_info;
unsigned char
*sun_data,
*sun_pixels;
unsigned int
status;
unsigned long
bytes_per_line;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
image=AllocateImage(image_info);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == False)
ThrowReaderException(FileOpenError,UnableToOpenFile,image);
/*
Read SUN raster header.
*/
(void) memset(&sun_info,0,sizeof(sun_info));
sun_info.magic=ReadBlobMSBLong(image);
do
{
/*
Verify SUN identifier.
*/
if (sun_info.magic != 0x59a66a95)
ThrowReaderException(CorruptImageError,ImproperImageHeader,image);
sun_info.width=ReadBlobMSBLong(image);
sun_info.height=ReadBlobMSBLong(image);
sun_info.depth=ReadBlobMSBLong(image);
sun_info.length=ReadBlobMSBLong(image);
sun_info.type=ReadBlobMSBLong(image);
sun_info.maptype=ReadBlobMSBLong(image);
sun_info.maplength=ReadBlobMSBLong(image);
image->columns= sun_info.width;
image->rows= sun_info.height;
if (sun_info.depth == 0 || sun_info.depth > 32)
ThrowReaderException(CorruptImageError,ImproperImageHeader,image);
image->depth=sun_info.depth <= 8 ? 8 : QuantumDepth;
if (sun_info.depth < 24)
{
image->storage_class=PseudoClass;
image->colors=sun_info.maplength;
if (sun_info.maptype == RMT_NONE)
image->colors=1 << sun_info.depth;
if (sun_info.maptype == RMT_EQUAL_RGB)
image->colors=sun_info.maplength/3;
}
switch (sun_info.maptype)
{
case RMT_NONE:
{
if (sun_info.depth < 24)
{
/*
Create linear color ramp.
*/
if (!AllocateImageColormap(image,image->colors))
ThrowReaderException(ResourceLimitError,MemoryAllocationFailed,
image);
}
break;
}
case RMT_EQUAL_RGB:
{
unsigned char
*sun_colormap;
/*
Read SUN raster colormap.
*/
if (!AllocateImageColormap(image,image->colors))
ThrowReaderException(ResourceLimitError,MemoryAllocationFailed,
image);
sun_colormap=MagickAllocateMemory(unsigned char *,image->colors);
if (sun_colormap == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,MemoryAllocationFailed,
image);
(void) ReadBlob(image,image->colors,(char *) sun_colormap);
for (i=0; i < (long) image->colors; i++)
image->colormap[i].red=ScaleCharToQuantum(sun_colormap[i]);
(void) ReadBlob(image,image->colors,(char *) sun_colormap);
for (i=0; i < (long) image->colors; i++)
image->colormap[i].green=ScaleCharToQuantum(sun_colormap[i]);
(void) ReadBlob(image,image->colors,(char *) sun_colormap);
for (i=0; i < (long) image->colors; i++)
image->colormap[i].blue=ScaleCharToQuantum(sun_colormap[i]);
MagickFreeMemory(sun_colormap);
break;
}
case RMT_RAW:
{
unsigned char
*sun_colormap;
/*
Read SUN raster colormap.
*/
sun_colormap=MagickAllocateMemory(unsigned char *,sun_info.maplength);
if (sun_colormap == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,MemoryAllocationFailed,
image);
(void) ReadBlob(image,sun_info.maplength,(char *) sun_colormap);
MagickFreeMemory(sun_colormap);
break;
}
default:
ThrowReaderException(CoderError,ColormapTypeNotSupported,image)
}
image->matte=(sun_info.depth == 32);
image->columns=sun_info.width;
image->rows=sun_info.height;
image->depth=8;
if (sun_info.depth < 8)
image->depth=sun_info.depth;
if (image_info->ping)
{
CloseBlob(image);
return(image);
}
sun_data=MagickAllocateMemory(unsigned char *,(size_t) sun_info.length);
if (sun_data == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,MemoryAllocationFailed,image);
count=ReadBlob(image,sun_info.length,(char *) sun_data);
if ((count == 0) && (sun_info.type != RT_ENCODED))
ThrowReaderException(CorruptImageError,UnableToReadImageData,image);
sun_pixels=sun_data;
bytes_per_line=0;
if (sun_info.type == RT_ENCODED)
{
unsigned long
height;
/*
Read run-length encoded raster pixels.
*/
height=sun_info.height;
bytes_per_line=2*(sun_info.width*sun_info.depth+15)/16;
sun_pixels=MagickAllocateMemory(unsigned char *,bytes_per_line*height);
if (sun_pixels == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,MemoryAllocationFailed,
image);
(void) DecodeImage(sun_data,sun_info.length,sun_pixels);
MagickFreeMemory(sun_data);
}
/*
Convert SUN raster image to pixel packets.
*/
p=sun_pixels;
if (sun_info.depth == 1)
for (y=0; y < (long) image->rows; y++)
{
q=SetImagePixels(image,0,y,image->columns,1);
if (q == (PixelPacket *) NULL)
break;
indexes=AccessMutableIndexes(image);
for (x=0; x < ((long) image->columns-7); x+=8)
{
for (bit=7; bit >= 0; bit--)
indexes[x+7-bit]=((*p) & (0x01 << bit) ? 0x01 : 0x00);
p++;
}
if ((image->columns % 8) != 0)
{
for (bit=7; bit >= (long) (8-(image->columns % 8)); bit--)
indexes[x+7-bit]=((*p) & (0x01 << bit) ? 0x01 : 0x00);
p++;
}
if ((((image->columns/8)+(image->columns % 8 ? 1 : 0)) % 2) != 0)
p++;
if (!SyncImagePixels(image))
break;
if (image->previous == (Image *) NULL)
if (QuantumTick(y,image->rows))
if (!MagickMonitorFormatted(y,image->rows,exception,
LoadImageText,image->filename,
image->columns,image->rows))
break;
}
else
if (image->storage_class == PseudoClass)
{
unsigned long n = image->rows*(image->columns+image->columns%2);
if ((sun_info.type == RT_ENCODED && n > bytes_per_line*image->rows) ||
(sun_info.type != RT_ENCODED && n > sun_info.length))
ThrowReaderException(CorruptImageError,ImproperImageHeader,image);
for (y=0; y < (long) image->rows; y++)
{
q=SetImagePixels(image,0,y,image->columns,1);
if (q == (PixelPacket *) NULL)
break;
indexes=AccessMutableIndexes(image);
for (x=0; x < (long) image->columns; x++)
indexes[x]=(*p++);
if ((image->columns % 2) != 0)
p++;
if (!SyncImagePixels(image))
break;
if (image->previous == (Image *) NULL)
if (QuantumTick(y,image->rows))
if (!MagickMonitorFormatted(y,image->rows,exception,
LoadImageText,image->filename,
image->columns,image->rows))
break;
}
}
else
{
unsigned long n = image->columns*((image->matte) ? 4 : 3);
n = image->rows*(n+image->columns%2);
if ((sun_info.type == RT_ENCODED && n > bytes_per_line*image->rows) ||
(sun_info.type != RT_ENCODED && n > sun_info.length))
ThrowReaderException(CorruptImageError,ImproperImageHeader,image);
for (y=0; y < (long) image->rows; y++)
{
q=SetImagePixels(image,0,y,image->columns,1);
if (q == (PixelPacket *) NULL)
break;
for (x=0; x < (long) image->columns; x++)
{
if (image->matte)
q->opacity=(Quantum) (MaxRGB-ScaleCharToQuantum(*p++));
if (sun_info.type == RT_STANDARD)
{
q->blue=ScaleCharToQuantum(*p++);
q->green=ScaleCharToQuantum(*p++);
q->red=ScaleCharToQuantum(*p++);
}
else
{
q->red=ScaleCharToQuantum(*p++);
q->green=ScaleCharToQuantum(*p++);
q->blue=ScaleCharToQuantum(*p++);
}
if (image->colors != 0)
{
q->red=image->colormap[q->red].red;
q->green=image->colormap[q->green].green;
q->blue=image->colormap[q->blue].blue;
}
q++;
}
if (((image->columns % 2) != 0) && (image->matte == False))
p++;
if (!SyncImagePixels(image))
break;
if (image->previous == (Image *) NULL)
if (QuantumTick(y,image->rows))
if (!MagickMonitorFormatted(y,image->rows,exception,
LoadImageText,image->filename,
image->columns,image->rows))
break;
}
}
if (image->storage_class == PseudoClass)
(void) SyncImage(image);
MagickFreeMemory(sun_pixels);
if (EOFBlob(image))
{
ThrowException(exception,CorruptImageError,UnexpectedEndOfFile,
image->filename);
break;
}
/*
Proceed to next image.
*/
if (image_info->subrange != 0)
if (image->scene >= (image_info->subimage+image_info->subrange-1))
break;
sun_info.magic=ReadBlobMSBLong(image);
if (sun_info.magic == 0x59a66a95)
{
/*
Allocate next image structure.
*/
AllocateNextImage(image_info,image);
if (image->next == (Image *) NULL)
{
DestroyImageList(image);
return((Image *) NULL);
}
image=SyncNextImageInList(image);
if (!MagickMonitorFormatted(TellBlob(image),GetBlobSize(image),
exception,LoadImagesText,
image->filename))
break;
}
} while (sun_info.magic == 0x59a66a95);
while (image->previous != (Image *) NULL)
image=image->previous;
CloseBlob(image);
return(image);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e g i s t e r S U N I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method RegisterSUNImage adds attributes for the SUN image format to
% the list of supported formats. The attributes include the image format
% tag, a method to read and/or write the format, whether the format
% supports the saving of more than one frame to the same file or blob,
% whether the format supports native in-memory I/O, and a brief
% description of the format.
%
% The format of the RegisterSUNImage method is:
%
% RegisterSUNImage(void)
%
*/
ModuleExport void RegisterSUNImage(void)
{
MagickInfo
*entry;
entry=SetMagickInfo("RAS");
entry->decoder=(DecoderHandler) ReadSUNImage;
entry->encoder=(EncoderHandler) WriteSUNImage;
entry->magick=(MagickHandler) IsSUN;
entry->description="SUN Rasterfile";
entry->module="SUN";
(void) RegisterMagickInfo(entry);
entry=SetMagickInfo("SUN");
entry->decoder=(DecoderHandler) ReadSUNImage;
entry->encoder=(EncoderHandler) WriteSUNImage;
entry->description="SUN Rasterfile";
entry->module="SUN";
(void) RegisterMagickInfo(entry);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% U n r e g i s t e r S U N I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method UnregisterSUNImage removes format registrations made by the
% SUN module from the list of supported formats.
%
% The format of the UnregisterSUNImage method is:
%
% UnregisterSUNImage(void)
%
*/
ModuleExport void UnregisterSUNImage(void)
{
(void) UnregisterMagickInfo("RAS");
(void) UnregisterMagickInfo("SUN");
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e S U N I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method WriteSUNImage writes an image in the SUN rasterfile format.
%
% The format of the WriteSUNImage method is:
%
% unsigned int WriteSUNImage(const ImageInfo *image_info,Image *image)
%
% A description of each parameter follows.
%
% o status: Method WriteSUNImage return True if the image is written.
% False is returned is there is a memory shortage or if the image file
% fails to write.
%
% o image_info: Specifies a pointer to a ImageInfo structure.
%
% o image: A pointer to an Image structure.
%
%
*/
static unsigned int WriteSUNImage(const ImageInfo *image_info,Image *image)
{
#define RMT_EQUAL_RGB 1
#define RMT_NONE 0
#define RMT_RAW 2
#define RT_STANDARD 1
#define RT_FORMAT_RGB 3
typedef struct _SUNInfo
{
magick_uint32_t
magic,
width,
height,
depth,
length,
type,
maptype,
maplength;
} SUNInfo;
long
y;
register const PixelPacket
*p;
register const IndexPacket
*indexes;
register long
x;
register long
i;
SUNInfo
sun_info;
unsigned int
status;
unsigned long
number_pixels,
scene;
/*
Open output image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
if (status == False)
ThrowWriterException(FileOpenError,UnableToOpenFile,image);
scene=0;
do
{
ImageCharacteristics
characteristics;
/*
Ensure that image is in an RGB space.
*/
(void) TransformColorspace(image,RGBColorspace);
/*
Analyze image to be written.
*/
if (!GetImageCharacteristics(image,&characteristics,
(OptimizeType == image_info->type),
&image->exception))
{
CloseBlob(image);
return MagickFail;
}
/*
Initialize SUN raster file header.
*/
sun_info.magic=0x59a66a95;
sun_info.width=image->columns;
sun_info.height=image->rows;
sun_info.type=
(image->storage_class == DirectClass ? RT_FORMAT_RGB : RT_STANDARD);
sun_info.maptype=RMT_NONE;
sun_info.maplength=0;
number_pixels=image->columns*image->rows;
if (image->storage_class == DirectClass)
{
/*
Full color SUN raster.
*/
sun_info.depth=(image->matte ? 32U : 24U);
sun_info.length=(image->matte ? 4U : 3U)*number_pixels;
sun_info.length+=image->columns & 0x01U ? image->rows : 0U;
}
else
if (characteristics.monochrome)
{
/*
Monochrome SUN raster.
*/
sun_info.depth=1;
sun_info.length=((image->columns+7U) >> 3)*image->rows;
sun_info.length+=((image->columns/8U)+(image->columns % 8U ? 1U : 0U)) %
2U ? image->rows : 0U;
}
else
{
/*
Colormapped SUN raster.
*/
sun_info.depth=8;
sun_info.length=number_pixels;
sun_info.length+=image->columns & 0x01U ? image->rows : 0;
sun_info.maptype=RMT_EQUAL_RGB;
sun_info.maplength=image->colors*3;
}
/*
Write SUN header.
*/
(void) WriteBlobMSBLong(image,sun_info.magic);
(void) WriteBlobMSBLong(image,sun_info.width);
(void) WriteBlobMSBLong(image,sun_info.height);
(void) WriteBlobMSBLong(image,sun_info.depth);
(void) WriteBlobMSBLong(image,sun_info.length);
(void) WriteBlobMSBLong(image,sun_info.type);
(void) WriteBlobMSBLong(image,sun_info.maptype);
(void) WriteBlobMSBLong(image,sun_info.maplength);
/*
Convert MIFF to SUN raster pixels.
*/
x=0;
y=0;
if (image->storage_class == DirectClass)
{
register unsigned char
*q;
size_t
length;
unsigned char
*pixels;
/*
Allocate memory for pixels.
*/
length=image->columns*sizeof(PixelPacket);
pixels=MagickAllocateMemory(unsigned char *,length);
if (pixels == (unsigned char *) NULL)
ThrowWriterException(ResourceLimitError,MemoryAllocationFailed,
image);
/*
Convert DirectClass packet to SUN RGB pixel.
*/
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
q=pixels;
for (x=0; x < (long) image->columns; x++)
{
if (image->matte)
*q++=ScaleQuantumToChar(MaxRGB-p->opacity);
*q++=ScaleQuantumToChar(p->red);
*q++=ScaleQuantumToChar(p->green);
*q++=ScaleQuantumToChar(p->blue);
p++;
}
if (image->columns & 0x01)
*q++=0; /* pad scanline */
(void) WriteBlob(image,q-pixels,(char *) pixels);
if (image->previous == (Image *) NULL)
if (QuantumTick(y,image->rows))
if (!MagickMonitorFormatted(y,image->rows,&image->exception,
SaveImageText,image->filename,
image->columns,image->rows))
break;
}
MagickFreeMemory(pixels);
}
else
if (characteristics.monochrome)
{
register unsigned char
bit,
byte,
polarity;
/*
Convert PseudoClass image to a SUN monochrome image.
*/
(void) SetImageType(image,BilevelType);
polarity=PixelIntensityToQuantum(&image->colormap[0]) < (MaxRGB/2);
if (image->colors == 2)
polarity=PixelIntensityToQuantum(&image->colormap[0]) <
PixelIntensityToQuantum(&image->colormap[1]);
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
indexes=AccessImmutableIndexes(image);
bit=0;
byte=0;
for (x=0; x < (long) image->columns; x++)
{
byte<<=1;
if (indexes[x] == polarity)
byte|=0x01;
bit++;
if (bit == 8)
{
(void) WriteBlobByte(image,byte);
bit=0;
byte=0;
}
p++;
}
if (bit != 0)
(void) WriteBlobByte(image,byte << (8-bit));
if ((((image->columns/8)+
(image->columns % 8 ? 1 : 0)) % 2) != 0)
(void) WriteBlobByte(image,0); /* pad scanline */
if (image->previous == (Image *) NULL)
if (QuantumTick(y,image->rows))
if (!MagickMonitorFormatted(y,image->rows,&image->exception,
SaveImageText,image->filename,
image->columns,image->rows))
break;
}
}
else
{
/*
Dump colormap to file.
*/
for (i=0; i < (long) image->colors; i++)
(void) WriteBlobByte(image,ScaleQuantumToChar(image->colormap[i].red));
for (i=0; i < (long) image->colors; i++)
(void) WriteBlobByte(image,ScaleQuantumToChar(image->colormap[i].green));
for (i=0; i < (long) image->colors; i++)
(void) WriteBlobByte(image,ScaleQuantumToChar(image->colormap[i].blue));
/*
Convert PseudoClass packet to SUN colormapped pixel.
*/
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
indexes=AccessImmutableIndexes(image);
for (x=0; x < (long) image->columns; x++)
{
(void) WriteBlobByte(image,indexes[x]);
p++;
}
if (image->columns & 0x01)
(void) WriteBlobByte(image,0); /* pad scanline */
if (image->previous == (Image *) NULL)
if (QuantumTick(y,image->rows))
if (!MagickMonitorFormatted(y,image->rows,&image->exception,
SaveImageText,image->filename,
image->columns,image->rows))
break;
}
}
if (image->next == (Image *) NULL)
break;
image=SyncNextImageInList(image);
if (!MagickMonitorFormatted(scene++,GetImageListLength(image),
&image->exception,SaveImagesText,
image->filename))
break;
} while (image_info->adjoin);
if (image_info->adjoin)
while (image->previous != (Image *) NULL)
image=image->previous;
CloseBlob(image);
return(True);
}
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