/*
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% Function WriteARTImage writes an ART image to a file.
%
% The format of the WriteARTImage method is:
%
% unsigned int WriteARTImage(const ImageInfo *image_info,Image *image)
%
% A description of each parameter follows.
%
% o status: Function WriteARTImage 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 WriteARTImage(const ImageInfo *image_info,Image *image)
{
long y;
unsigned dummy = 0;
long DataSize;
const PixelPacket *q;
unsigned int status;
unsigned char Padding;
int logging;
unsigned char *pixels;
/*
Open output image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
logging=LogMagickEvent(CoderEvent,GetMagickModule(),"enter ART");
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
if (status == False)
ThrowWriterException(FileOpenError,UnableToOpenFile,image);
DataSize = (long)((image->columns+7) / 8);
Padding = (unsigned char)((-DataSize) & 0x01);
pixels=MagickAllocateMemory(unsigned char *,(size_t) (DataSize));
if (pixels == (unsigned char *) NULL)
ThrowWriterException(ResourceLimitError,MemoryAllocationFailed,image);
/*
Write ART hader.
*/
(void) WriteBlobLSBShort(image,0);
(void) WriteBlobLSBShort(image,image->columns);
(void) WriteBlobLSBShort(image,0);
(void) WriteBlobLSBShort(image,image->rows);
/*
Store image data.
*/
for(y=0; y<(long)image->rows; y++)
{
q = AcquireImagePixels(image,0,y,image->columns,1,&image->exception);
(void)ExportImagePixelArea(image,GrayQuantum,1,pixels,0,0);
(void)WriteBlob(image,DataSize,pixels);
(void)WriteBlob(image,Padding,(char *)&dummy);
}
status=True;
CloseBlob(image);
MagickFreeMemory(pixels);
if (logging)
(void)LogMagickEvent(CoderEvent,GetMagickModule(),"return ART");
return(status);
}
/*
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% WriteARTImage() writes an image of raw bits in LSB order to a file.
%
% The format of the WriteARTImage method is:
%
% MagickBooleanType WriteARTImage(const ImageInfo *image_info,
% Image *image,ExceptionInfo *exception)
%
% A description of each parameter follows.
%
% o image_info: the image info.
%
% o image: The image.
%
% o exception: return any errors or warnings in this structure.
%
*/
static MagickBooleanType WriteARTImage(const ImageInfo *image_info,Image *image,
ExceptionInfo *exception)
{
MagickBooleanType
status;
QuantumInfo
*quantum_info;
register const Quantum
*p;
size_t
length;
ssize_t
count,
y;
unsigned char
*pixels;
/*
Open output image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
if (status == MagickFalse)
return(status);
if ((image->columns > 65535UL) || (image->rows > 65535UL))
ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
(void) TransformImageColorspace(image,sRGBColorspace,exception);
(void) SetImageType(image,BilevelType,exception);
image->endian=MSBEndian;
image->depth=1;
(void) WriteBlobLSBShort(image,0);
(void) WriteBlobLSBShort(image,(unsigned short) image->columns);
(void) WriteBlobLSBShort(image,0);
(void) WriteBlobLSBShort(image,(unsigned short) image->rows);
quantum_info=AcquireQuantumInfo(image_info,image);
pixels=GetQuantumPixels(quantum_info);
for (y=0; y < (ssize_t) image->rows; y++)
{
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)
ThrowWriterException(CorruptImageError,"UnableToWriteImageData");
count=WriteBlob(image,(size_t) (-(ssize_t) length) & 0x01,pixels);
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
quantum_info=DestroyQuantumInfo(quantum_info);
(void) CloseBlob(image);
return(status);
}
/*
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% W r i t e E P T I m a g e %
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% WriteEPTImage() writes an image in the Encapsulated Postscript format
% with a TIFF preview.
%
% The format of the WriteEPTImage method is:
%
% MagickBooleanType WriteEPTImage(const ImageInfo *image_info,
% Image *image,ExceptionInfo *exception)
%
% A description of each parameter follows.
%
% o image_info: the image info.
%
% o image: The image.
%
% o exception: return any errors or warnings in this structure.
%
*/
static MagickBooleanType WriteEPTImage(const ImageInfo *image_info,Image *image,
ExceptionInfo *exception)
{
char
filename[MagickPathExtent];
EPTInfo
ept_info;
Image
*write_image;
ImageInfo
*write_info;
MagickBooleanType
status;
/*
Write EPT image.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
assert(image != (Image *) NULL);
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);
write_image=CloneImage(image,0,0,MagickTrue,exception);
if (write_image == (Image *) NULL)
return(MagickFalse);
write_info=CloneImageInfo(image_info);
(void) CopyMagickString(write_info->magick,"EPS",MagickPathExtent);
if (LocaleCompare(image_info->magick,"EPT2") == 0)
(void) CopyMagickString(write_info->magick,"EPS2",MagickPathExtent);
if (LocaleCompare(image_info->magick,"EPT3") == 0)
(void) CopyMagickString(write_info->magick,"EPS3",MagickPathExtent);
(void) ResetMagickMemory(&ept_info,0,sizeof(ept_info));
ept_info.magick=0xc6d3d0c5ul;
ept_info.postscript=(unsigned char *) ImageToBlob(write_info,write_image,
&ept_info.postscript_length,exception);
write_image=DestroyImage(write_image);
write_info=DestroyImageInfo(write_info);
if (ept_info.postscript == (void *) NULL)
return(MagickFalse);
write_image=CloneImage(image,0,0,MagickTrue,exception);
if (write_image == (Image *) NULL)
return(MagickFalse);
write_info=CloneImageInfo(image_info);
*write_info->magick='\0';
(void) CopyMagickString(write_info->magick,"TIFF",MagickPathExtent);
(void) FormatLocaleString(filename,MagickPathExtent,"tiff:%s",
write_info->filename);
(void) CopyMagickString(write_info->filename,filename,MagickPathExtent);
(void) TransformImage(&write_image,(char *) NULL,"512x512>",exception);
if ((write_image->storage_class == DirectClass) ||
(write_image->colors > 256))
{
QuantizeInfo
quantize_info;
/*
EPT preview requires that the image is colormapped.
*/
GetQuantizeInfo(&quantize_info);
quantize_info.dither_method=IdentifyPaletteImage(write_image,
exception) == MagickFalse ? RiemersmaDitherMethod : NoDitherMethod;
(void) QuantizeImage(&quantize_info,write_image,exception);
}
write_info->compression=NoCompression;
ept_info.tiff=(unsigned char *) ImageToBlob(write_info,write_image,
&ept_info.tiff_length,exception);
write_image=DestroyImage(write_image);
write_info=DestroyImageInfo(write_info);
if (ept_info.tiff == (void *) NULL)
{
ept_info.postscript=(unsigned char *) RelinquishMagickMemory(
ept_info.postscript);
return(MagickFalse);
}
/*
Write EPT image.
*/
(void) WriteBlobLSBLong(image,(unsigned int) ept_info.magick);
(void) WriteBlobLSBLong(image,30);
(void) WriteBlobLSBLong(image,(unsigned int) ept_info.postscript_length);
(void) WriteBlobLSBLong(image,0);
(void) WriteBlobLSBLong(image,0);
(void) WriteBlobLSBLong(image,(unsigned int) ept_info.postscript_length+30);
(void) WriteBlobLSBLong(image,(unsigned int) ept_info.tiff_length);
(void) WriteBlobLSBShort(image,0xffff);
(void) WriteBlob(image,ept_info.postscript_length,ept_info.postscript);
(void) WriteBlob(image,ept_info.tiff_length,ept_info.tiff);
/*
Relinquish resources.
*/
ept_info.postscript=(unsigned char *) RelinquishMagickMemory(
ept_info.postscript);
ept_info.tiff=(unsigned char *) RelinquishMagickMemory(ept_info.tiff);
(void) CloseBlob(image);
return(MagickTrue);
}
