/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e l i n q u i s h U n i q u e F i l e R e s o u r c e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% RelinquishUniqueFileResource() relinquishes a unique file resource.
%
% The format of the RelinquishUniqueFileResource() method is:
%
% MagickBooleanType RelinquishUniqueFileResource(const char *path)
%
% A description of each parameter follows:
%
% o name: the name of the temporary resource.
%
*/
MagickExport MagickBooleanType RelinquishUniqueFileResource(const char *path)
{
char
cache_path[MaxTextExtent];
assert(path != (const char *) NULL);
(void) LogMagickEvent(ResourceEvent,GetMagickModule(),"%s",path);
if (temporary_resources != (SplayTreeInfo *) NULL)
{
register char
*p;
ResetSplayTreeIterator(temporary_resources);
p=(char *) GetNextKeyInSplayTree(temporary_resources);
while (p != (char *) NULL)
{
if (LocaleCompare(p,path) == 0)
break;
p=(char *) GetNextKeyInSplayTree(temporary_resources);
}
if (p != (char *) NULL)
(void) DeleteNodeFromSplayTree(temporary_resources,p);
}
(void) CopyMagickString(cache_path,path,MaxTextExtent);
AppendImageFormat("cache",cache_path);
(void) remove_utf8(cache_path);
return(remove_utf8(path) == 0 ? MagickTrue : MagickFalse);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e l i n q u i s h U n i q u e F i l e R e s o u r c e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% RelinquishUniqueFileResource() relinquishes a unique file resource.
%
% The format of the RelinquishUniqueFileResource() method is:
%
% MagickBooleanType RelinquishUniqueFileResource(const char *path)
%
% A description of each parameter follows:
%
% o name: the name of the temporary resource.
%
*/
MagickExport MagickBooleanType RelinquishUniqueFileResource(const char *path)
{
char
cache_path[MagickPathExtent];
MagickBooleanType
status;
assert(path != (const char *) NULL);
status=MagickFalse;
(void) LogMagickEvent(ResourceEvent,GetMagickModule(),"%s",path);
if (resource_semaphore == (SemaphoreInfo *) NULL)
ActivateSemaphoreInfo(&resource_semaphore);
LockSemaphoreInfo(resource_semaphore);
if (temporary_resources != (SplayTreeInfo *) NULL)
status=DeleteNodeFromSplayTree(temporary_resources, (const void *) path);
UnlockSemaphoreInfo(resource_semaphore);
(void) CopyMagickString(cache_path,path,MagickPathExtent);
AppendImageFormat("cache",cache_path);
(void) ShredFile(cache_path);
if (status == MagickFalse)
status=ShredFile(path);
return(status);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e R G B I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% WriteRGBImage() writes an image to a file in the RGB or RGBA rasterfile
% format.
%
% The format of the WriteRGBImage method is:
%
% MagickBooleanType WriteRGBImage(const ImageInfo *image_info,Image *image)
%
% A description of each parameter follows.
%
% o image_info: the image info.
%
% o image: The image.
%
*/
static MagickBooleanType WriteRGBImage(const ImageInfo *image_info,Image *image)
{
long
y;
MagickBooleanType
status;
MagickOffsetType
scene;
QuantumInfo
*quantum_info;
QuantumType
quantum_type,
quantum_types[4];
register long
i;
ssize_t
count;
size_t
length;
unsigned char
*pixels;
unsigned long
channels;
/*
Allocate memory for pixels.
*/
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);
if (image_info->interlace != PartitionInterlace)
{
/*
Open output image file.
*/
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
}
quantum_type=RGBQuantum;
channels=3;
if (LocaleCompare(image_info->magick,"RGBA") == 0)
{
quantum_type=RGBAQuantum;
image->matte=MagickTrue;
channels=4;
}
if (LocaleCompare(image_info->magick,"RGBO") == 0)
{
quantum_type=RGBOQuantum;
image->matte=MagickTrue;
channels=4;
}
for (i=0; i < (long) channels; i++)
{
switch (image_info->magick[i])
{
case 'R': quantum_types[i]=RedQuantum; break;
case 'G': quantum_types[i]=GreenQuantum; break;
case 'B': quantum_types[i]=BlueQuantum; break;
case 'A': quantum_types[i]=AlphaQuantum; break;
case 'O': quantum_types[i]=OpacityQuantum; break;
}
}
scene=0;
do
{
/*
Convert MIFF to RGB raster pixels.
*/
if (image->colorspace != RGBColorspace)
(void) TransformImageColorspace(image,RGBColorspace);
if ((LocaleCompare(image_info->magick,"RGBA") == 0) &&
(image->matte == MagickFalse))
(void) SetImageAlphaChannel(image,ResetAlphaChannel);
quantum_info=AcquireQuantumInfo(image_info,image);
if (quantum_info == (QuantumInfo *) NULL)
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
pixels=GetQuantumPixels(quantum_info);
switch (image_info->interlace)
{
case NoInterlace:
default:
{
CacheView
*image_view;
PixelPacket
px;
Quantum
*qx[3];
/*
No interlacing: RGBRGBRGBRGBRGBRGB...
*/
image_view=AcquireCacheView(image);
for (y=0; y < (long) image->rows; y++)
{
register long
x;
register PixelPacket
*__restrict q;
q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
&image->exception);
if (q == (PixelPacket *) NULL)
break;
for (x=0; x < (long) image->columns; x++)
{
px=(*q);
qx[0]=&(q->red);
qx[1]=&(q->green);
qx[2]=&(q->blue);
for (i=0; i < 3; i++)
switch (quantum_types[i])
{
case RedQuantum: *qx[i]=px.red; break;
case GreenQuantum: *qx[i]=px.green; break;
case BlueQuantum: *qx[i]=px.blue; break;
default: break;
}
q++;
}
length=ExportQuantumPixels(image,image_view,quantum_info,quantum_type,
pixels,&image->exception);
count=WriteBlob(image,length,pixels);
if (count != (ssize_t) length)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,y,image->rows);
if (status == MagickFalse)
break;
}
}
image_view=DestroyCacheView(image_view);
break;
}
case LineInterlace:
{
/*
Line interlacing: RRR...GGG...BBB...RRR...GGG...BBB...
*/
for (y=0; y < (long) image->rows; y++)
{
register const PixelPacket
*__restrict p;
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
for (i=0; i < (long) channels; i++)
{
length=ExportQuantumPixels(image,(const CacheView *) NULL,
quantum_info,quantum_types[i],pixels,&image->exception);
count=WriteBlob(image,length,pixels);
if (count != (ssize_t) length)
break;
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,y,image->rows);
if (status == MagickFalse)
break;
}
}
break;
}
case PlaneInterlace:
{
/*
Plane interlacing: RRRRRR...GGGGGG...BBBBBB...
*/
for (i=0; i < (long) channels; i++)
{
for (y=0; y < (long) image->rows; y++)
{
register const PixelPacket
*__restrict p;
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
length=ExportQuantumPixels(image,(const CacheView *) NULL,
quantum_info,quantum_types[i],pixels,&image->exception);
count=WriteBlob(image,length,pixels);
if (count != (ssize_t) length)
break;
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,(i+1),5);
if (status == MagickFalse)
break;
}
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,5,5);
if (status == MagickFalse)
break;
}
break;
}
case PartitionInterlace:
{
char
sfx[] = {0, 0};
/*
Partition interlacing: RRRRRR..., GGGGGG..., BBBBBB...
*/
for (i=0; i < (long) channels; i++)
{
sfx[0]=image_info->magick[i];
AppendImageFormat(sfx,image->filename);
status=OpenBlob(image_info,image,scene == 0 ? WriteBinaryBlobMode :
AppendBinaryBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
for (y=0; y < (long) image->rows; y++)
{
register const PixelPacket
*__restrict p;
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
length=ExportQuantumPixels(image,(const CacheView *) NULL,
quantum_info,quantum_types[i],pixels,&image->exception);
count=WriteBlob(image,length,pixels);
if (count != (ssize_t) length)
break;
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,(i+1),5);
if (status == MagickFalse)
break;
}
(void) CloseBlob(image);
}
(void) CopyMagickString(image->filename,image_info->filename,
MaxTextExtent);
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,5,5);
if (status == MagickFalse)
break;
}
break;
}
}
quantum_info=DestroyQuantumInfo(quantum_info);
if (GetNextImageInList(image) == (Image *) NULL)
break;
image=SyncNextImageInList(image);
status=SetImageProgress(image,SaveImagesTag,scene++,
GetImageListLength(image));
if (status == MagickFalse)
break;
} while (image_info->adjoin != MagickFalse);
(void) CloseBlob(image);
return(MagickTrue);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d C M Y K I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method ReadCMYKImage reads an image of raw cyan, magenta, yellow, and black
% 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 ReadCMYKImage method is:
%
% Image *ReadCMYKImage(const ImageInfo *image_info,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image: Method ReadCMYKImage 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 *ReadCMYKImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
Image
*image;
long
y;
register long
i,
x;
register PixelPacket
*q;
size_t
count;
unsigned char
*scanline;
unsigned int
status;
unsigned int
packet_size,
quantum_size;
ImportPixelAreaOptions
import_options;
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
image=AllocateImage(image_info);
if ((image->columns == 0) || (image->rows == 0))
ThrowReaderException(OptionError,MustSpecifyImageSize,image);
if (image_info->interlace != PartitionInterlace)
{
/*
Open image file.
*/
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == False)
ThrowReaderException(FileOpenError,UnableToOpenFile,image);
for (i=0; i < image->offset; i++)
{
if (EOF == ReadBlobByte(image))
ThrowException(exception,CorruptImageError,UnexpectedEndOfFile,
image->filename);
}
}
if (image->logging)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
"Tile %lux%lu%+ld%+ld",
image->tile_info.width,image->tile_info.height,
image->tile_info.x,image->tile_info.y);
/*
Allocate memory for a scanline.
*/
if (image->depth <= 8)
quantum_size=8;
else if (image->depth <= 16)
quantum_size=16;
else
quantum_size=32;
packet_size=(quantum_size*4)/8;
if (LocaleCompare(image_info->magick,"CMYKA") == 0)
{
image->matte=True;
packet_size=(quantum_size*5)/8;
}
scanline=MagickAllocateArray(unsigned char *,
packet_size,image->tile_info.width);
if (scanline == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,MemoryAllocationFailed,image);
/*
Initialize import options.
*/
ImportPixelAreaOptionsInit(&import_options);
if (image_info->endian != UndefinedEndian)
import_options.endian=image_info->endian;
if (image->logging)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
"Depth %u bits, Endian %s, Interlace %s",
quantum_size,
EndianTypeToString(import_options.endian),
InterlaceTypeToString(image_info->interlace));
/*
Support starting at intermediate image frame.
*/
if (image_info->subrange != 0)
while (image->scene < image_info->subimage)
{
/*
Skip to next image.
*/
image->scene++;
for (y=0; y < (long) image->rows; y++)
(void) ReadBlob(image,packet_size*image->tile_info.width,scanline);
}
x=(long) (packet_size*image->tile_info.x);
do
{
/*
Convert raster image to pixel packets.
*/
image->colorspace=CMYKColorspace;
if (image_info->ping && (image_info->subrange != 0))
if (image->scene >= (image_info->subimage+image_info->subrange-1))
break;
switch (image_info->interlace)
{
case NoInterlace:
default:
{
/*
No interlacing: CMYKCMYKCMYKCMYKCMYKCMYK...
*/
for (y=0; y < image->tile_info.y; y++)
(void) ReadBlob(image,packet_size*image->tile_info.width,scanline);
for (y=0; y < (long) image->rows; y++)
{
if ((y > 0) || (image->previous == (Image *) NULL))
(void) ReadBlob(image,packet_size*image->tile_info.width,scanline);
q=SetImagePixels(image,0,y,image->columns,1);
if (q == (PixelPacket *) NULL)
break;
if (!image->matte)
(void) ImportImagePixelArea(image,CMYKQuantum,quantum_size,scanline+x,
&import_options,0);
else
(void) ImportImagePixelArea(image,CMYKAQuantum,quantum_size,scanline+x,
&import_options,0);
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;
}
count=image->tile_info.height-image->rows-image->tile_info.y;
for (i=0; i < (long) count; i++)
(void) ReadBlob(image,packet_size*image->tile_info.width,scanline);
break;
}
case LineInterlace:
{
/*
Line interlacing: CCC...MMM...YYY...KKK...CCC...MMM...YYY...KKK...
*/
packet_size=(quantum_size)/8;
for (y=0; y < image->tile_info.y; y++)
(void) ReadBlob(image,packet_size*image->tile_info.width,scanline);
for (y=0; y < (long) image->rows; y++)
{
if ((y > 0) || (image->previous == (Image *) NULL))
(void) ReadBlob(image,packet_size*image->tile_info.width,scanline);
q=SetImagePixels(image,0,y,image->columns,1);
if (q == (PixelPacket *) NULL)
break;
(void) ImportImagePixelArea(image,CyanQuantum,quantum_size,scanline+x,
&import_options,0);
(void) ReadBlob(image,packet_size*image->tile_info.width,scanline);
(void) ImportImagePixelArea(image,MagentaQuantum,quantum_size,scanline+x,
&import_options,0);
(void) ReadBlob(image,packet_size*image->tile_info.width,scanline);
(void) ImportImagePixelArea(image,YellowQuantum,quantum_size,scanline+x,
&import_options,0);
(void) ReadBlob(image,packet_size*image->tile_info.width,scanline);
(void) ImportImagePixelArea(image,BlackQuantum,quantum_size,scanline+x,
&import_options,0);
if (image->matte)
{
(void) ReadBlob(image,packet_size*image->tile_info.width,
scanline);
(void) ImportImagePixelArea(image,AlphaQuantum,quantum_size,scanline+x,
&import_options,0);
}
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;
}
count=image->tile_info.height-image->rows-image->tile_info.y;
for (i=0; i < (long) count; i++)
(void) ReadBlob(image,packet_size*image->tile_info.width,scanline);
break;
}
case PlaneInterlace:
case PartitionInterlace:
{
unsigned long
span;
/*
Plane interlacing: CCCCCC...MMMMMM...YYYYYY...KKKKKK...
*/
if (image_info->interlace == PartitionInterlace)
{
AppendImageFormat("C",image->filename);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == False)
ThrowReaderException(FileOpenError,UnableToOpenFile,image);
}
packet_size=(quantum_size)/8;
for (y=0; y < image->tile_info.y; y++)
(void) ReadBlob(image,packet_size*image->tile_info.width,scanline);
i=0;
span=image->rows*(image->matte ? 5 : 4);
for (y=0; y < (long) image->rows; y++)
{
if ((y > 0) || (image->previous == (Image *) NULL))
(void) ReadBlob(image,packet_size*image->tile_info.width,scanline);
q=SetImagePixels(image,0,y,image->columns,1);
if (q == (PixelPacket *) NULL)
break;
(void) ImportImagePixelArea(image,CyanQuantum,quantum_size,scanline+x,
&import_options,0);
if (!SyncImagePixels(image))
break;
if (image->previous == (Image *) NULL)
if (QuantumTick(i,span))
if (!MagickMonitorFormatted(i,span,&image->exception,
LoadImageText,image->filename,
image->columns,image->rows))
break;
i++;
}
count=image->tile_info.height-image->rows-image->tile_info.y;
for (i=0; i < (long) count; i++)
(void) ReadBlob(image,packet_size*image->tile_info.width,scanline);
if (image_info->interlace == PartitionInterlace)
{
CloseBlob(image);
AppendImageFormat("M",image->filename);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == False)
ThrowReaderException(FileOpenError,UnableToOpenFile,image);
}
for (y=0; y < image->tile_info.y; y++)
(void) ReadBlob(image,packet_size*image->tile_info.width,scanline);
for (y=0; y < (long) image->rows; y++)
{
(void) ReadBlob(image,packet_size*image->tile_info.width,scanline);
q=GetImagePixels(image,0,y,image->columns,1);
if (q == (PixelPacket *) NULL)
break;
(void) ImportImagePixelArea(image,MagentaQuantum,quantum_size,scanline+x,
&import_options,0);
if (!SyncImagePixels(image))
break;
if (image->previous == (Image *) NULL)
if (QuantumTick(i,span))
if (!MagickMonitorFormatted(i,span,&image->exception,
LoadImageText,image->filename,
image->columns,image->rows))
break;
i++;
}
count=image->tile_info.height-image->rows-image->tile_info.y;
for (i=0; i < (long) count; i++)
(void) ReadBlob(image,packet_size*image->tile_info.width,scanline);
if (image_info->interlace == PartitionInterlace)
{
CloseBlob(image);
AppendImageFormat("Y",image->filename);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == False)
ThrowReaderException(FileOpenError,UnableToOpenFile,image);
}
for (y=0; y < image->tile_info.y; y++)
(void) ReadBlob(image,packet_size*image->tile_info.width,scanline);
for (y=0; y < (long) image->rows; y++)
{
(void) ReadBlob(image,packet_size*image->tile_info.width,scanline);
q=GetImagePixels(image,0,y,image->columns,1);
if (q == (PixelPacket *) NULL)
break;
(void) ImportImagePixelArea(image,YellowQuantum,quantum_size,scanline+x,
&import_options,0);
if (!SyncImagePixels(image))
break;
if (image->previous == (Image *) NULL)
if (QuantumTick(i,span))
if (!MagickMonitorFormatted(i,span,&image->exception,
LoadImageText,image->filename,
image->columns,image->rows))
break;
i++;
}
count=image->tile_info.height-image->rows-image->tile_info.y;
for (i=0; i < (long) count; i++)
(void) ReadBlob(image,packet_size*image->tile_info.width,scanline);
if (image_info->interlace == PartitionInterlace)
{
CloseBlob(image);
AppendImageFormat("K",image->filename);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == False)
ThrowReaderException(FileOpenError,UnableToOpenFile,image);
}
for (y=0; y < image->tile_info.y; y++)
(void) ReadBlob(image,packet_size*image->tile_info.width,scanline);
for (y=0; y < (long) image->rows; y++)
{
(void) ReadBlob(image,packet_size*image->tile_info.width,scanline);
q=GetImagePixels(image,0,y,image->columns,1);
if (q == (PixelPacket *) NULL)
break;
(void) ImportImagePixelArea(image,BlackQuantum,quantum_size,scanline+x,
&import_options,0);
if (!SyncImagePixels(image))
break;
if (image->previous == (Image *) NULL)
if (QuantumTick(i,span))
if (!MagickMonitorFormatted(i,span,&image->exception,
LoadImageText,image->filename,
image->columns,image->rows))
break;
i++;
}
count=image->tile_info.height-image->rows-image->tile_info.y;
for (i=0; i < (long) count; i++)
(void) ReadBlob(image,packet_size*image->tile_info.width,scanline);
if (image->matte)
{
/*
Read matte channel.
*/
if (image_info->interlace == PartitionInterlace)
{
CloseBlob(image);
AppendImageFormat("A",image->filename);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == False)
ThrowReaderException(FileOpenError,UnableToOpenFile,image);
}
for (y=0; y < image->tile_info.y; y++)
(void) ReadBlob(image,packet_size*image->tile_info.width,
scanline);
for (y=0; y < (long) image->rows; y++)
{
(void) ReadBlob(image,packet_size*image->tile_info.width,
scanline);
q=GetImagePixels(image,0,y,image->columns,1);
if (q == (PixelPacket *) NULL)
break;
(void) ImportImagePixelArea(image,AlphaQuantum,quantum_size,scanline+x,
&import_options,0);
if (!SyncImagePixels(image))
break;
if (image->previous == (Image *) NULL)
if (QuantumTick(i,span))
if (!MagickMonitorFormatted(i,span,&image->exception,
LoadImageText,image->filename,
image->columns,image->rows))
break;
i++;
}
count=image->tile_info.height-image->rows-image->tile_info.y;
for (i=0; i < (long) count; i++)
(void) ReadBlob(image,packet_size*image->tile_info.width,
scanline);
}
if (image_info->interlace == PartitionInterlace)
(void) strlcpy(image->filename,image_info->filename,MaxTextExtent);
break;
}
}
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;
if (image_info->interlace == PartitionInterlace)
break;
count=ReadBlob(image,packet_size*image->tile_info.width,scanline);
if (count != 0)
{
/*
Allocate next image structure.
*/
AllocateNextImage(image_info,image);
if (image->next == (Image *) NULL)
{
DestroyImageList(image);
return((Image *) NULL);
}
image=SyncNextImageInList(image);
status=MagickMonitorFormatted(TellBlob(image),GetBlobSize(image),
exception,LoadImagesText,
image->filename);
if (status == False)
break;
}
} while (count != 0);
MagickFreeMemory(scanline);
while (image->previous != (Image *) NULL)
image=image->previous;
CloseBlob(image);
return(image);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e C M Y K I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method WriteCMYKImage writes an image to a file in red, green, and blue
% rasterfile format.
%
% The format of the WriteCMYKImage method is:
%
% unsigned int WriteCMYKImage(const ImageInfo *image_info,Image *image)
%
% A description of each parameter follows.
%
% o status: Method WriteCMYKImage 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 WriteCMYKImage(const ImageInfo *image_info,Image *image)
{
int
y;
register const PixelPacket
*p;
unsigned char
*pixels;
unsigned int
packet_size,
quantum_size,
scene,
status;
ExportPixelAreaOptions
export_options;
ExportPixelAreaInfo
export_info;
if (image->depth <= 8)
quantum_size=8;
else if (image->depth <= 16)
quantum_size=16;
else
quantum_size=32;
/*
Allocate memory for pixels.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
packet_size=(quantum_size*4)/8;
if (LocaleCompare(image_info->magick,"CMYKA") == 0)
packet_size=(quantum_size*5)/8;
pixels=MagickAllocateArray(unsigned char *,packet_size,image->columns);
if (pixels == (unsigned char *) NULL)
ThrowWriterException(ResourceLimitError,MemoryAllocationFailed,image);
if (image_info->interlace != PartitionInterlace)
{
/*
Open output image file.
*/
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
if (status == False)
ThrowWriterException(FileOpenError,UnableToOpenFile,image);
}
scene=0;
do
{
/*
Convert MIFF to CMYK raster pixels.
*/
(void) TransformColorspace(image,CMYKColorspace);
if (LocaleCompare(image_info->magick,"CMYKA") == 0)
if (!image->matte)
SetImageOpacity(image,OpaqueOpacity);
/*
Initialize export options.
*/
ExportPixelAreaOptionsInit(&export_options);
if (image->endian != UndefinedEndian)
export_options.endian=image->endian;
else if (image_info->endian != UndefinedEndian)
export_options.endian=image_info->endian;
if (image->logging)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
"Image depth %u bits, Endian %s",quantum_size,
EndianTypeToString(export_options.endian));
switch (image_info->interlace)
{
case NoInterlace:
default:
{
/*
No interlacing: CMYKCMYKCMYKCMYKCMYKCMYK...
*/
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
if (LocaleCompare(image_info->magick,"CMYKA") != 0)
{
(void) ExportImagePixelArea(image,CMYKQuantum,quantum_size,pixels,
&export_options,&export_info);
(void) WriteBlob(image,export_info.bytes_exported,pixels);
}
else
{
(void) ExportImagePixelArea(image,CMYKAQuantum,quantum_size,pixels,
&export_options,&export_info);
(void) WriteBlob(image,export_info.bytes_exported,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;
}
break;
}
case LineInterlace:
{
/*
Line interlacing: CCC...MMM...YYY...KKK...CCC...MMM...YYY...KKK...
*/
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
(void) ExportImagePixelArea(image,CyanQuantum,quantum_size,pixels,
&export_options,&export_info);
(void) WriteBlob(image,export_info.bytes_exported,pixels);
(void) ExportImagePixelArea(image,MagentaQuantum,quantum_size,pixels,
&export_options,&export_info);
(void) WriteBlob(image,export_info.bytes_exported,pixels);
(void) ExportImagePixelArea(image,YellowQuantum,quantum_size,pixels,
&export_options,&export_info);
(void) WriteBlob(image,export_info.bytes_exported,pixels);
(void) ExportImagePixelArea(image,BlackQuantum,quantum_size,pixels,
&export_options,&export_info);
(void) WriteBlob(image,export_info.bytes_exported,pixels);
if (LocaleCompare(image_info->magick,"CMYKA") == 0)
{
(void) ExportImagePixelArea(image,AlphaQuantum,quantum_size,pixels,
&export_options,&export_info);
(void) WriteBlob(image,export_info.bytes_exported,pixels);
}
if (QuantumTick(y,image->rows))
if (!MagickMonitorFormatted(y,image->rows,&image->exception,
SaveImageText,image->filename,
image->columns,image->rows))
break;
}
break;
}
case PlaneInterlace:
case PartitionInterlace:
{
/*
Plane interlacing: CCCCCC...MMMMMM...YYYYYY...KKKKKK...
*/
if (image_info->interlace == PartitionInterlace)
{
AppendImageFormat("C",image->filename);
status=
OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
if (status == False)
ThrowWriterException(FileOpenError,UnableToOpenFile,image);
}
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
(void) ExportImagePixelArea(image,CyanQuantum,quantum_size,pixels,
&export_options,&export_info);
(void) WriteBlob(image,export_info.bytes_exported,pixels);
}
if (image_info->interlace == PartitionInterlace)
{
CloseBlob(image);
AppendImageFormat("M",image->filename);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,
&image->exception);
if (status == False)
ThrowWriterException(FileOpenError,UnableToOpenFile,image);
}
if (!MagickMonitorFormatted(100,400,&image->exception,
SaveImageText,image->filename,
image->columns,image->rows))
break;
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
(void) ExportImagePixelArea(image,MagentaQuantum,quantum_size,pixels,
&export_options,&export_info);
(void) WriteBlob(image,export_info.bytes_exported,pixels);
}
if (image_info->interlace == PartitionInterlace)
{
CloseBlob(image);
AppendImageFormat("Y",image->filename);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,
&image->exception);
if (status == False)
ThrowWriterException(FileOpenError,UnableToOpenFile,image);
}
if (!MagickMonitorFormatted(200,400,&image->exception,
SaveImageText,image->filename,
image->columns,image->rows))
break;
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
(void) ExportImagePixelArea(image,YellowQuantum,quantum_size,pixels,
&export_options,&export_info);
(void) WriteBlob(image,export_info.bytes_exported,pixels);
}
if (image_info->interlace == PartitionInterlace)
{
CloseBlob(image);
AppendImageFormat("K",image->filename);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,
&image->exception);
if (status == False)
ThrowWriterException(FileOpenError,UnableToOpenFile,image);
}
if (!MagickMonitorFormatted(200,400,&image->exception,
SaveImageText,image->filename,
image->columns,image->rows))
break;
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
(void) ExportImagePixelArea(image,BlackQuantum,quantum_size,pixels,
&export_options,&export_info);
(void) WriteBlob(image,export_info.bytes_exported,pixels);
}
if (LocaleCompare(image_info->magick,"CMYKA") == 0)
{
if (!MagickMonitorFormatted(300,400,&image->exception,
SaveImageText,image->filename,
image->columns,image->rows))
break;
if (image_info->interlace == PartitionInterlace)
{
CloseBlob(image);
AppendImageFormat("A",image->filename);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,
&image->exception);
if (status == False)
ThrowWriterException(FileOpenError,UnableToOpenFile,image);
}
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,
&image->exception);
if (p == (const PixelPacket *) NULL)
break;
(void) ExportImagePixelArea(image,AlphaQuantum,quantum_size,pixels,
&export_options,&export_info);
(void) WriteBlob(image,export_info.bytes_exported,pixels);
}
}
if (image_info->interlace == PartitionInterlace)
(void) strlcpy(image->filename,image_info->filename,MaxTextExtent);
if (!MagickMonitorFormatted(400,400,&image->exception,
SaveImageText,image->filename,
image->columns,image->rows))
break;
break;
}
}
if (image->next == (Image *) NULL)
break;
image=SyncNextImageInList(image);
status=MagickMonitorFormatted(scene++,GetImageListLength(image),
&image->exception,SaveImagesText,
image->filename);
if (status == False)
break;
} while (image_info->adjoin);
MagickFreeMemory(pixels);
if (image_info->adjoin)
while (image->previous != (Image *) NULL)
image=image->previous;
CloseBlob(image);
return(True);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d R G B I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ReadRGBImage() reads an image of raw red, green, and blue 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 ReadRGBImage method is:
%
% Image *ReadRGBImage(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.
%
*/
static Image *ReadRGBImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
Image
*image;
long
y;
MagickBooleanType
status;
MagickOffsetType
offset;
QuantumInfo
quantum_info;
register long
i;
register PixelPacket
*q;
ssize_t
count;
size_t
packet_size;
unsigned char
*pixels;
unsigned long
width;
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
image=AllocateImage(image_info);
if ((image->columns == 0) || (image->rows == 0))
ThrowReaderException(OptionError,"MustSpecifyImageSize");
if (image_info->interlace != PartitionInterlace)
{
/*
Open image file.
*/
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
for (i=0; i < image->offset; i++)
if (ReadBlobByte(image) == EOF)
{
ThrowFileException(exception,CorruptImageError,
"UnexpectedEndOfFile",image->filename);
break;
}
}
/*
Allocate memory for a pixels.
*/
packet_size=(size_t) ((3*image->depth+7)/8);
if ((LocaleCompare(image_info->magick,"RGBA") == 0) ||
(LocaleCompare(image_info->magick,"RGBO") == 0))
{
packet_size+=(image->depth+7)/8;
image->matte=MagickTrue;
}
pixels=(unsigned char *) AcquireQuantumMemory(image->extract_info.width,
packet_size*sizeof(*pixels));
if (pixels == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
if (image_info->number_scenes != 0)
while (image->scene < image_info->scene)
{
/*
Skip to next image.
*/
image->scene++;
for (y=0; y < (long) image->rows; y++)
{
count=ReadBlob(image,packet_size*image->extract_info.width,pixels);
if (count != (ssize_t) (packet_size*image->extract_info.width))
break;
}
}
offset=(MagickOffsetType) (packet_size*image->extract_info.x);
do
{
/*
Convert raster image to pixel packets.
*/
GetQuantumInfo(image_info,&quantum_info);
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
if (SetImageExtent(image,0,0) == MagickFalse)
{
InheritException(exception,&image->exception);
return(DestroyImageList(image));
}
switch (image_info->interlace)
{
case NoInterlace:
default:
{
/*
No interlacing: RGBRGBRGBRGBRGBRGB...
*/
for (y=0; y < image->extract_info.y; y++)
{
count=ReadBlob(image,packet_size*image->extract_info.width,pixels);
if (count != (ssize_t) (packet_size*image->extract_info.width))
break;
}
for (y=0; y < (long) image->rows; y++)
{
if ((y > 0) || (GetPreviousImageInList(image) == (Image *) NULL))
{
count=ReadBlob(image,packet_size*image->extract_info.width,
pixels);
if (count != (ssize_t) (packet_size*image->extract_info.width))
break;
}
q=SetImagePixels(image,0,y,image->columns,1);
if (q == (PixelPacket *) NULL)
break;
if (image->matte == MagickFalse)
(void) ExportQuantumPixels(image,&quantum_info,RGBQuantum,
pixels+offset);
else
if (LocaleCompare(image_info->magick,"RGBA") == 0)
(void) ExportQuantumPixels(image,&quantum_info,RGBAQuantum,
pixels+offset);
else
(void) ExportQuantumPixels(image,&quantum_info,RGBOQuantum,
pixels+offset);
if (SyncImagePixels(image) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
(QuantumTick(y,image->rows) != MagickFalse))
{
status=image->progress_monitor(LoadImageTag,y,image->rows,
image->client_data);
if (status == MagickFalse)
break;
}
}
width=image->extract_info.height-image->rows-image->extract_info.y;
for (i=0; i < (long) width; i++)
{
count=ReadBlob(image,packet_size*image->extract_info.width,pixels);
if (count != (ssize_t) (packet_size*image->extract_info.width))
break;
}
break;
}
case LineInterlace:
{
/*
Line interlacing: RRR...GGG...BBB...RRR...GGG...BBB...
*/
packet_size=(size_t) ((image->depth+7)/8);
for (y=0; y < image->extract_info.y; y++)
{
count=ReadBlob(image,packet_size*image->extract_info.width,pixels);
if (count != (ssize_t) (packet_size*image->extract_info.width))
break;
}
for (y=0; y < (long) image->rows; y++)
{
if ((y > 0) || (GetPreviousImageInList(image) == (Image *) NULL))
{
count=ReadBlob(image,packet_size*image->extract_info.width,
pixels);
if (count != (ssize_t) (packet_size*image->extract_info.width))
break;
}
q=SetImagePixels(image,0,y,image->columns,1);
if (q == (PixelPacket *) NULL)
break;
(void) ExportQuantumPixels(image,&quantum_info,RedQuantum,
pixels+offset);
count=ReadBlob(image,packet_size*image->extract_info.width,pixels);
if (count != (ssize_t) (packet_size*image->extract_info.width))
break;
(void) ExportQuantumPixels(image,&quantum_info,GreenQuantum,
pixels+offset);
count=ReadBlob(image,packet_size*image->extract_info.width,pixels);
if (count != (ssize_t) (packet_size*image->extract_info.width))
break;
(void) ExportQuantumPixels(image,&quantum_info,BlueQuantum,
pixels+offset);
if (image->matte != MagickFalse)
{
count=ReadBlob(image,packet_size*image->extract_info.width,
pixels);
if (count != (ssize_t) (packet_size*image->extract_info.width))
break;
if (LocaleCompare(image_info->magick,"RGBA") == 0)
(void) ExportQuantumPixels(image,&quantum_info,AlphaQuantum,
pixels+offset);
else
(void) ExportQuantumPixels(image,&quantum_info,OpacityQuantum,
pixels+offset);
}
if (SyncImagePixels(image) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
(QuantumTick(y,image->rows) != MagickFalse))
{
status=image->progress_monitor(LoadImageTag,y,image->rows,
image->client_data);
if (status == MagickFalse)
break;
}
}
width=image->extract_info.height-image->rows-image->extract_info.y;
for (i=0; i < (long) width; i++)
{
count=ReadBlob(image,packet_size*image->extract_info.width,pixels);
if (count != (ssize_t) (packet_size*image->extract_info.width))
break;
}
break;
}
case PlaneInterlace:
case PartitionInterlace:
{
unsigned long
span;
/*
Plane interlacing: RRRRRR...GGGGGG...BBBBBB...
*/
if (image_info->interlace == PartitionInterlace)
{
AppendImageFormat("R",image->filename);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
}
packet_size=(size_t) ((image->depth+7)/8);
for (y=0; y < image->extract_info.y; y++)
{
count=ReadBlob(image,packet_size*image->extract_info.width,pixels);
if (count != (ssize_t) (packet_size*image->extract_info.width))
break;
}
i=0;
span=image->rows*(image->matte != MagickFalse ? 4 : 3);
for (y=0; y < (long) image->rows; y++)
{
if ((y > 0) || (GetPreviousImageInList(image) == (Image *) NULL))
{
count=ReadBlob(image,packet_size*image->extract_info.width,
pixels);
if (count != (ssize_t) (packet_size*image->extract_info.width))
break;
}
q=SetImagePixels(image,0,y,image->columns,1);
if (q == (PixelPacket *) NULL)
break;
(void) ExportQuantumPixels(image,&quantum_info,RedQuantum,
pixels+offset);
if (SyncImagePixels(image) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
(QuantumTick(i,span) != MagickFalse))
{
status=image->progress_monitor(LoadImageTag,i,span,
image->client_data);
if (status == MagickFalse)
break;
}
i++;
}
width=image->extract_info.height-image->rows-image->extract_info.y;
for (i=0; i < (long) width; i++)
{
count=ReadBlob(image,packet_size*image->extract_info.width,pixels);
if (count != (ssize_t) (packet_size*image->extract_info.width))
break;
}
if (image_info->interlace == PartitionInterlace)
{
CloseBlob(image);
AppendImageFormat("G",image->filename);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
}
for (y=0; y < image->extract_info.y; y++)
{
count=ReadBlob(image,packet_size*image->extract_info.width,pixels);
if (count != (ssize_t) (packet_size*image->extract_info.width))
break;
}
for (y=0; y < (long) image->rows; y++)
{
count=ReadBlob(image,packet_size*image->extract_info.width,pixels);
if (count != (ssize_t) (packet_size*image->extract_info.width))
break;
q=GetImagePixels(image,0,y,image->columns,1);
if (q == (PixelPacket *) NULL)
break;
(void) ExportQuantumPixels(image,&quantum_info,GreenQuantum,
pixels+offset);
if (SyncImagePixels(image) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
(QuantumTick(i,span) != MagickFalse))
{
status=image->progress_monitor(LoadImageTag,i,span,
image->client_data);
if (status == MagickFalse)
break;
}
i++;
}
width=image->extract_info.height-image->rows-image->extract_info.y;
for (i=0; i < (long) width; i++)
{
count=ReadBlob(image,packet_size*image->extract_info.width,pixels);
if (count != (ssize_t) (packet_size*image->extract_info.width))
break;
}
if (image_info->interlace == PartitionInterlace)
{
CloseBlob(image);
AppendImageFormat("B",image->filename);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
}
for (y=0; y < image->extract_info.y; y++)
{
count=ReadBlob(image,packet_size*image->extract_info.width,pixels);
if (count != (ssize_t) (packet_size*image->extract_info.width))
break;
}
for (y=0; y < (long) image->rows; y++)
{
count=ReadBlob(image,packet_size*image->extract_info.width,pixels);
if (count != (ssize_t) (packet_size*image->extract_info.width))
break;
q=GetImagePixels(image,0,y,image->columns,1);
if (q == (PixelPacket *) NULL)
break;
(void) ExportQuantumPixels(image,&quantum_info,BlueQuantum,
pixels+offset);
if (SyncImagePixels(image) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
(QuantumTick(i,span) != MagickFalse))
{
status=image->progress_monitor(LoadImageTag,i,span,
image->client_data);
if (status == MagickFalse)
break;
}
i++;
}
width=image->extract_info.height-image->rows-image->extract_info.y;
for (i=0; i < (long) width; i++)
{
count=ReadBlob(image,packet_size*image->extract_info.width,pixels);
if (count != (ssize_t) (packet_size*image->extract_info.width))
break;
}
if (image->matte != MagickFalse)
{
/*
Read matte channel.
*/
if (image_info->interlace == PartitionInterlace)
{
CloseBlob(image);
AppendImageFormat("A",image->filename);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
}
for (y=0; y < image->extract_info.y; y++)
{
count=ReadBlob(image,packet_size*image->extract_info.width,
pixels);
if (count != (ssize_t) (packet_size*image->extract_info.width))
break;
}
for (y=0; y < (long) image->rows; y++)
{
count=ReadBlob(image,packet_size*image->extract_info.width,
pixels);
if (count != (ssize_t) (packet_size*image->extract_info.width))
break;
q=GetImagePixels(image,0,y,image->columns,1);
if (q == (PixelPacket *) NULL)
break;
if (LocaleCompare(image_info->magick,"RGBA") == 0)
(void) ExportQuantumPixels(image,&quantum_info,AlphaQuantum,
pixels+offset);
else
(void) ExportQuantumPixels(image,&quantum_info,OpacityQuantum,
pixels+offset);
if (SyncImagePixels(image) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
(QuantumTick(i,span) != MagickFalse))
{
status=image->progress_monitor(LoadImageTag,i,span,
image->client_data);
if (status == MagickFalse)
break;
}
i++;
}
width=image->extract_info.height-image->rows-image->extract_info.y;
for (i=0; i < (long) width; i++)
{
count=ReadBlob(image,packet_size*image->extract_info.width,
pixels);
if (count != (ssize_t) (packet_size*image->extract_info.width))
break;
}
}
if (image_info->interlace == PartitionInterlace)
(void) CopyMagickString(image->filename,image_info->filename,
MaxTextExtent);
break;
}
}
if (y < (long) image->rows)
{
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
image->filename);
break;
}
/*
Proceed to next image.
*/
if (image_info->number_scenes != 0)
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
if (image_info->interlace == PartitionInterlace)
break;
count=ReadBlob(image,packet_size*image->extract_info.width,pixels);
if (count == (ssize_t) (packet_size*image->extract_info.width))
{
/*
Allocate next image structure.
*/
AllocateNextImage(image_info,image);
if (GetNextImageInList(image) == (Image *) NULL)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
image=SyncNextImageInList(image);
if (image->progress_monitor != (MagickProgressMonitor) NULL)
{
status=image->progress_monitor(LoadImagesTag,TellBlob(image),
GetBlobSize(image),image->client_data);
if (status == MagickFalse)
break;
}
}
} while ((size_t) count == (packet_size*image->extract_info.width));
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
CloseBlob(image);
return(GetFirstImageInList(image));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e R G B I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% WriteRGBImage() writes an image to a file in red, green, and blue
% rasterfile format.
%
% The format of the WriteRGBImage method is:
%
% MagickBooleanType WriteRGBImage(const ImageInfo *image_info,Image *image)
%
% A description of each parameter follows.
%
% o image_info: The image info.
%
% o image: The image.
%
*/
static MagickBooleanType WriteRGBImage(const ImageInfo *image_info,Image *image)
{
long
y;
MagickBooleanType
status;
MagickOffsetType
scene;
QuantumInfo
quantum_info;
register const PixelPacket
*p;
size_t
packet_size;
unsigned char
*pixels;
/*
Allocate memory for pixels.
*/
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);
packet_size=(size_t) ((3*image->depth+7)/8);
if ((LocaleCompare(image_info->magick,"RGBA") == 0) ||
(LocaleCompare(image_info->magick,"RGBO") == 0))
packet_size+=(image->depth+7)/8;
pixels=(unsigned char *) AcquireQuantumMemory(image->columns,packet_size*
sizeof(*pixels));
if (pixels == (unsigned char *) NULL)
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
if (image_info->interlace != PartitionInterlace)
{
/*
Open output image file.
*/
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
}
scene=0;
do
{
/*
Convert MIFF to RGB raster pixels.
*/
GetQuantumInfo(image_info,&quantum_info);
if (image_info->colorspace == UndefinedColorspace)
(void) SetImageColorspace(image,RGBColorspace);
if (LocaleCompare(image_info->magick,"RGBA") == 0)
if (image->matte == MagickFalse)
(void) SetImageOpacity(image,OpaqueOpacity);
switch (image_info->interlace)
{
case NoInterlace:
default:
{
/*
No interlacing: RGBRGBRGBRGBRGBRGB...
*/
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
if (LocaleCompare(image_info->magick,"RGBA") != 0)
{
(void) ImportQuantumPixels(image,&quantum_info,RGBQuantum,pixels);
(void) WriteBlob(image,packet_size*image->columns,pixels);
}
else
{
if (LocaleCompare(image_info->magick,"RGBA") == 0)
(void) ImportQuantumPixels(image,&quantum_info,RGBAQuantum,
pixels);
else
(void) ImportQuantumPixels(image,&quantum_info,RGBOQuantum,
pixels);
(void) WriteBlob(image,packet_size*image->columns,pixels);
}
if (image->previous == (Image *) NULL)
if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
(QuantumTick(y,image->rows) != MagickFalse))
{
status=image->progress_monitor(SaveImageTag,y,image->rows,
image->client_data);
if (status == MagickFalse)
break;
}
}
break;
}
case LineInterlace:
{
/*
Line interlacing: RRR...GGG...BBB...RRR...GGG...BBB...
*/
packet_size=(image->depth+7)/8;
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
(void) ImportQuantumPixels(image,&quantum_info,RedQuantum,pixels);
(void) WriteBlob(image,packet_size*image->columns,pixels);
(void) ImportQuantumPixels(image,&quantum_info,GreenQuantum,pixels);
(void) WriteBlob(image,packet_size*image->columns,pixels);
(void) ImportQuantumPixels(image,&quantum_info,BlueQuantum,pixels);
(void) WriteBlob(image,packet_size*image->columns,pixels);
if (LocaleCompare(image_info->magick,"RGBA") == 0)
{
if (LocaleCompare(image_info->magick,"RGBA") == 0)
(void) ImportQuantumPixels(image,&quantum_info,AlphaQuantum,
pixels);
else
(void) ImportQuantumPixels(image,&quantum_info,OpacityQuantum,
pixels);
(void) WriteBlob(image,packet_size*image->columns,pixels);
}
if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
(QuantumTick(y,image->rows) != MagickFalse))
{
status=image->progress_monitor(SaveImageTag,y,image->rows,
image->client_data);
if (status == MagickFalse)
break;
}
}
break;
}
case PlaneInterlace:
case PartitionInterlace:
{
/*
Plane interlacing: RRRRRR...GGGGGG...BBBBBB...
*/
packet_size=(image->depth+7)/8;
if (image_info->interlace == PartitionInterlace)
{
AppendImageFormat("R",image->filename);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,
&image->exception);
if (status == MagickFalse)
return(status);
}
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
(void) ImportQuantumPixels(image,&quantum_info,RedQuantum,pixels);
(void) WriteBlob(image,packet_size*image->columns,pixels);
}
if (image_info->interlace == PartitionInterlace)
{
CloseBlob(image);
AppendImageFormat("G",image->filename);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,
&image->exception);
if (status == MagickFalse)
return(status);
}
if (image->progress_monitor != (MagickProgressMonitor) NULL)
{
status=image->progress_monitor(LoadImageTag,100,400,
image->client_data);
if (status == MagickFalse)
break;
}
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
(void) ImportQuantumPixels(image,&quantum_info,GreenQuantum,pixels);
(void) WriteBlob(image,packet_size*image->columns,pixels);
}
if (image_info->interlace == PartitionInterlace)
{
CloseBlob(image);
AppendImageFormat("B",image->filename);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,
&image->exception);
if (status == MagickFalse)
return(status);
}
if (image->progress_monitor != (MagickProgressMonitor) NULL)
{
status=image->progress_monitor(LoadImageTag,200,400,
image->client_data);
if (status == MagickFalse)
break;
}
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
(void) ImportQuantumPixels(image,&quantum_info,BlueQuantum,pixels);
(void) WriteBlob(image,packet_size*image->columns,pixels);
}
if (LocaleCompare(image_info->magick,"RGBA") == 0)
{
if (image->progress_monitor != (MagickProgressMonitor) NULL)
{
status=image->progress_monitor(LoadImageTag,300,400,
image->client_data);
if (status == MagickFalse)
break;
}
if (image_info->interlace == PartitionInterlace)
{
CloseBlob(image);
AppendImageFormat("A",image->filename);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,
&image->exception);
if (status == MagickFalse)
return(status);
}
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,
&image->exception);
if (p == (const PixelPacket *) NULL)
break;
if (LocaleCompare(image_info->magick,"RGBA") == 0)
(void) ImportQuantumPixels(image,&quantum_info,AlphaQuantum,
pixels);
else
(void) ImportQuantumPixels(image,&quantum_info,OpacityQuantum,
pixels);
(void) WriteBlob(image,packet_size*image->columns,pixels);
}
}
if (image_info->interlace == PartitionInterlace)
(void) CopyMagickString(image->filename,image_info->filename,
MaxTextExtent);
if (image->progress_monitor != (MagickProgressMonitor) NULL)
{
status=image->progress_monitor(LoadImageTag,400,400,
image->client_data);
if (status == MagickFalse)
break;
}
break;
}
}
if (GetNextImageInList(image) == (Image *) NULL)
break;
image=SyncNextImageInList(image);
if (image->progress_monitor != (MagickProgressMonitor) NULL)
{
status=image->progress_monitor(SaveImagesTag,scene,
GetImageListLength(image),image->client_data);
if (status == MagickFalse)
break;
}
scene++;
} while (image_info->adjoin != MagickFalse);
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
CloseBlob(image);
return(MagickTrue);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e M P C I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% WriteMPCImage() writes an Magick Persistent Cache image to a file.
%
% The format of the WriteMPCImage method is:
%
% MagickBooleanType WriteMPCImage(const ImageInfo *image_info,Image *image)
%
% A description of each parameter follows:
%
% o image_info: the image info.
%
% o image: the image.
%
*/
static MagickBooleanType WriteMPCImage(const ImageInfo *image_info,Image *image)
{
char
buffer[MaxTextExtent],
cache_filename[MaxTextExtent];
const char
*property,
*value;
MagickBooleanType
status;
MagickOffsetType
offset,
scene;
register long
i;
unsigned long
depth;
/*
Open persistent cache.
*/
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);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
(void) CopyMagickString(cache_filename,image->filename,MaxTextExtent);
AppendImageFormat("cache",cache_filename);
scene=0;
offset=0;
do
{
/*
Write persistent cache meta-information.
*/
depth=GetImageQuantumDepth(image,MagickTrue);
if ((image->storage_class == PseudoClass) &&
(image->colors > (1UL << depth)))
image->storage_class=DirectClass;
(void) WriteBlobString(image,"id=MagickCache\n");
(void) FormatMagickString(buffer,MaxTextExtent,"quantum-depth=%d\n",
MAGICKCORE_QUANTUM_DEPTH);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,
"class=%s colors=%lu matte=%s\n",MagickOptionToMnemonic(
MagickClassOptions,image->storage_class),image->colors,
MagickOptionToMnemonic(MagickBooleanOptions,(long) image->matte));
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,
"columns=%lu rows=%lu depth=%lu\n",image->columns,image->rows,
image->depth);
(void) WriteBlobString(image,buffer);
if (image->type != UndefinedType)
{
(void) FormatMagickString(buffer,MaxTextExtent,"type=%s\n",
MagickOptionToMnemonic(MagickTypeOptions,image->type));
(void) WriteBlobString(image,buffer);
}
if (image->colorspace != UndefinedColorspace)
{
(void) FormatMagickString(buffer,MaxTextExtent,"colorspace=%s\n",
MagickOptionToMnemonic(MagickColorspaceOptions,image->colorspace));
(void) WriteBlobString(image,buffer);
}
if (image->endian != UndefinedEndian)
{
(void) FormatMagickString(buffer,MaxTextExtent,"endian=%s\n",
MagickOptionToMnemonic(MagickEndianOptions,image->endian));
(void) WriteBlobString(image,buffer);
}
if (image->compression != UndefinedCompression)
{
(void) FormatMagickString(buffer,MaxTextExtent,
"compression=%s quality=%lu\n",MagickOptionToMnemonic(
MagickCompressOptions,image->compression),image->quality);
(void) WriteBlobString(image,buffer);
}
if (image->units != UndefinedResolution)
{
(void) FormatMagickString(buffer,MaxTextExtent,"units=%s\n",
MagickOptionToMnemonic(MagickResolutionOptions,image->units));
(void) WriteBlobString(image,buffer);
}
if ((image->x_resolution != 0) || (image->y_resolution != 0))
{
(void) FormatMagickString(buffer,MaxTextExtent,
"resolution=%gx%g\n",image->x_resolution,image->y_resolution);
(void) WriteBlobString(image,buffer);
}
if ((image->page.width != 0) || (image->page.height != 0))
{
(void) FormatMagickString(buffer,MaxTextExtent,"page=%lux%lu%+ld%+ld\n",
image->page.width,image->page.height,image->page.x,image->page.y);
(void) WriteBlobString(image,buffer);
}
else
if ((image->page.x != 0) || (image->page.y != 0))
{
(void) FormatMagickString(buffer,MaxTextExtent,"page=%+ld%+ld\n",
image->page.x,image->page.y);
(void) WriteBlobString(image,buffer);
}
if ((image->page.x != 0) || (image->page.y != 0))
{
(void) FormatMagickString(buffer,MaxTextExtent,"tile-offset=%+ld%+ld\n",
image->tile_offset.x,image->tile_offset.y);
(void) WriteBlobString(image,buffer);
}
if ((GetNextImageInList(image) != (Image *) NULL) ||
(GetPreviousImageInList(image) != (Image *) NULL))
{
if (image->scene == 0)
(void) FormatMagickString(buffer,MaxTextExtent,
"iterations=%lu delay=%lu ticks-per-second=%lu\n",
image->iterations,image->delay,image->ticks_per_second);
else
(void) FormatMagickString(buffer,MaxTextExtent,
"scene=%lu iterations=%lu delay=%lu ticks-per-second=%lu\n",
image->scene,image->iterations,image->delay,
image->ticks_per_second);
(void) WriteBlobString(image,buffer);
}
else
{
if (image->scene != 0)
{
(void) FormatMagickString(buffer,MaxTextExtent,"scene=%lu\n",
image->scene);
(void) WriteBlobString(image,buffer);
}
if (image->iterations != 0)
{
(void) FormatMagickString(buffer,MaxTextExtent,"iterations=%lu\n",
image->iterations);
(void) WriteBlobString(image,buffer);
}
if (image->delay != 0)
{
(void) FormatMagickString(buffer,MaxTextExtent,"delay=%lu\n",
image->delay);
(void) WriteBlobString(image,buffer);
}
if (image->ticks_per_second != UndefinedTicksPerSecond)
{
(void) FormatMagickString(buffer,MaxTextExtent,
"ticks-per-second=%lu\n",image->ticks_per_second);
(void) WriteBlobString(image,buffer);
}
}
if (image->gravity != UndefinedGravity)
{
(void) FormatMagickString(buffer,MaxTextExtent,"gravity=%s\n",
MagickOptionToMnemonic(MagickGravityOptions,image->gravity));
(void) WriteBlobString(image,buffer);
}
if (image->dispose != UndefinedDispose)
{
(void) FormatMagickString(buffer,MaxTextExtent,"dispose=%s\n",
MagickOptionToMnemonic(MagickDisposeOptions,image->dispose));
(void) WriteBlobString(image,buffer);
}
if (image->rendering_intent != UndefinedIntent)
{
(void) FormatMagickString(buffer,MaxTextExtent,
"rendering-intent=%s\n",
MagickOptionToMnemonic(MagickIntentOptions,image->rendering_intent));
(void) WriteBlobString(image,buffer);
}
if (image->gamma != 0.0)
{
(void) FormatMagickString(buffer,MaxTextExtent,"gamma=%g\n",
image->gamma);
(void) WriteBlobString(image,buffer);
}
if (image->chromaticity.white_point.x != 0.0)
{
/*
Note chomaticity points.
*/
(void) FormatMagickString(buffer,MaxTextExtent,"red-primary="
"%g,%g green-primary=%g,%g blue-primary=%g,%g\n",
image->chromaticity.red_primary.x,image->chromaticity.red_primary.y,
image->chromaticity.green_primary.x,
image->chromaticity.green_primary.y,
image->chromaticity.blue_primary.x,
image->chromaticity.blue_primary.y);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,
"white-point=%g,%g\n",image->chromaticity.white_point.x,
image->chromaticity.white_point.y);
(void) WriteBlobString(image,buffer);
}
if (image->orientation != UndefinedOrientation)
{
(void) FormatMagickString(buffer,MaxTextExtent,
"orientation=%s\n",MagickOptionToMnemonic(MagickOrientationOptions,
image->orientation));
(void) WriteBlobString(image,buffer);
}
if (image->profiles != (void *) NULL)
{
const char
*name;
const StringInfo
*profile;
/*
Generic profile.
*/
ResetImageProfileIterator(image);
for (name=GetNextImageProfile(image); name != (const char *) NULL; )
{
profile=GetImageProfile(image,name);
if (profile != (StringInfo *) NULL)
{
(void) FormatMagickString(buffer,MaxTextExtent,"profile:%s=%lu\n",
name,(unsigned long) GetStringInfoLength(profile));
(void) WriteBlobString(image,buffer);
}
name=GetNextImageProfile(image);
}
}
if (image->montage != (char *) NULL)
{
(void) FormatMagickString(buffer,MaxTextExtent,"montage=%s\n",
image->montage);
(void) WriteBlobString(image,buffer);
}
ResetImagePropertyIterator(image);
property=GetNextImageProperty(image);
while (property != (const char *) NULL)
{
(void) FormatMagickString(buffer,MaxTextExtent,"%s=",property);
(void) WriteBlobString(image,buffer);
value=GetImageProperty(image,property);
if (value != (const char *) NULL)
{
for (i=0; i < (long) strlen(value); i++)
if (isspace((int) ((unsigned char) value[i])) != 0)
break;
if (i <= (long) strlen(value))
(void) WriteBlobByte(image,'{');
(void) WriteBlob(image,strlen(value),(unsigned char *) value);
if (i <= (long) strlen(value))
(void) WriteBlobByte(image,'}');
}
(void) WriteBlobByte(image,'\n');
property=GetNextImageProperty(image);
}
ResetImageArtifactIterator(image);
(void) WriteBlobString(image,"\f\n:\032");
if (image->montage != (char *) NULL)
{
/*
Write montage tile directory.
*/
if (image->directory != (char *) NULL)
(void) WriteBlobString(image,image->directory);
(void) WriteBlobByte(image,'\0');
}
if (image->profiles != 0)
{
const char
*name;
const StringInfo
*profile;
/*
Write image profiles.
*/
ResetImageProfileIterator(image);
name=GetNextImageProfile(image);
while (name != (const char *) NULL)
{
profile=GetImageProfile(image,name);
(void) WriteBlob(image,GetStringInfoLength(profile),
GetStringInfoDatum(profile));
name=GetNextImageProfile(image);
}
}
if (image->storage_class == PseudoClass)
{
size_t
packet_size;
unsigned char
*colormap,
*q;
/*
Allocate colormap.
*/
packet_size=(size_t) (3UL*depth/8UL);
colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
packet_size*sizeof(*colormap));
if (colormap == (unsigned char *) NULL)
return(MagickFalse);
/*
Write colormap to file.
*/
q=colormap;
for (i=0; i < (long) image->colors; i++)
{
switch (depth)
{
default:
ThrowWriterException(CorruptImageError,"ImageDepthNotSupported");
case 32:
{
unsigned long
pixel;
pixel=ScaleQuantumToLong(image->colormap[i].red);
q=PopLongPixel(MSBEndian,pixel,q);
pixel=ScaleQuantumToLong(image->colormap[i].green);
q=PopLongPixel(MSBEndian,pixel,q);
pixel=ScaleQuantumToLong(image->colormap[i].blue);
q=PopLongPixel(MSBEndian,pixel,q);
}
case 16:
{
unsigned short
pixel;
pixel=ScaleQuantumToShort(image->colormap[i].red);
q=PopShortPixel(MSBEndian,pixel,q);
pixel=ScaleQuantumToShort(image->colormap[i].green);
q=PopShortPixel(MSBEndian,pixel,q);
pixel=ScaleQuantumToShort(image->colormap[i].blue);
q=PopShortPixel(MSBEndian,pixel,q);
break;
}
case 8:
{
unsigned char
pixel;
pixel=(unsigned char) ScaleQuantumToChar(image->colormap[i].red);
q=PopCharPixel(pixel,q);
pixel=(unsigned char) ScaleQuantumToChar(
image->colormap[i].green);
q=PopCharPixel(pixel,q);
pixel=(unsigned char) ScaleQuantumToChar(image->colormap[i].blue);
q=PopCharPixel(pixel,q);
break;
}
}
}
(void) WriteBlob(image,packet_size*image->colors,colormap);
colormap=(unsigned char *) RelinquishMagickMemory(colormap);
}
/*
Initialize persistent pixel cache.
*/
status=PersistPixelCache(image,cache_filename,MagickFalse,&offset,
&image->exception);
if (status == MagickFalse)
ThrowWriterException(CacheError,"UnableToPersistPixelCache");
if (GetNextImageInList(image) == (Image *) NULL)
break;
image=SyncNextImageInList(image);
if (image->progress_monitor != (MagickProgressMonitor) NULL)
{
status=image->progress_monitor(SaveImagesTag,scene,
GetImageListLength(image),image->client_data);
if (status == MagickFalse)
break;
}
scene++;
} while (image_info->adjoin != MagickFalse);
(void) CloseBlob(image);
return(status);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e Y U V I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% WriteYUVImage() writes an image to a file in the digital YUV
% (CCIR 601 4:1:1, plane or partition interlaced, or 4:2:2 plane, partition
% interlaced or noninterlaced) bytes and returns it.
%
% The format of the WriteYUVImage method is:
%
% MagickBooleanType WriteYUVImage(const ImageInfo *image_info,Image *image)
%
% A description of each parameter follows.
%
% o image_info: the image info.
%
% o image: The image.
%
*/
static MagickBooleanType WriteYUVImage(const ImageInfo *image_info,Image *image)
{
Image
*chroma_image,
*yuv_image;
InterlaceType
interlace;
MagickBooleanType
status;
MagickOffsetType
scene;
register const PixelPacket
*p,
*s;
register ssize_t
x;
size_t
height,
quantum,
width;
ssize_t
horizontal_factor,
vertical_factor,
y;
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);
quantum=(size_t) (image->depth <= 8 ? 1 : 2);
interlace=image->interlace;
horizontal_factor=2;
vertical_factor=2;
if (image_info->sampling_factor != (char *) NULL)
{
GeometryInfo
geometry_info;
MagickStatusType
flags;
flags=ParseGeometry(image_info->sampling_factor,&geometry_info);
horizontal_factor=(ssize_t) geometry_info.rho;
vertical_factor=(ssize_t) geometry_info.sigma;
if ((flags & SigmaValue) == 0)
vertical_factor=horizontal_factor;
if ((horizontal_factor != 1) && (horizontal_factor != 2) &&
(vertical_factor != 1) && (vertical_factor != 2))
ThrowWriterException(CorruptImageError,"UnexpectedSamplingFactor");
}
if ((interlace == UndefinedInterlace) ||
((interlace == NoInterlace) && (vertical_factor == 2)))
{
interlace=NoInterlace; /* CCIR 4:2:2 */
if (vertical_factor == 2)
interlace=PlaneInterlace; /* CCIR 4:1:1 */
}
if (interlace != PartitionInterlace)
{
/*
Open output image file.
*/
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
}
else
{
AppendImageFormat("Y",image->filename);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
}
scene=0;
do
{
/*
Sample image to an even width and height, if necessary.
*/
image->depth=(size_t) (quantum == 1 ? 8 : 16);
width=image->columns+(image->columns & (horizontal_factor-1));
height=image->rows+(image->rows & (vertical_factor-1));
yuv_image=ResizeImage(image,width,height,TriangleFilter,1.0,
&image->exception);
if (yuv_image == (Image *) NULL)
ThrowWriterException(ResourceLimitError,image->exception.reason);
(void) TransformImageColorspace(yuv_image,YCbCrColorspace);
/*
Downsample image.
*/
chroma_image=ResizeImage(image,width/horizontal_factor,
height/vertical_factor,TriangleFilter,1.0,&image->exception);
if (chroma_image == (Image *) NULL)
ThrowWriterException(ResourceLimitError,image->exception.reason);
(void) TransformImageColorspace(chroma_image,YCbCrColorspace);
if (interlace == NoInterlace)
{
/*
Write noninterlaced YUV.
*/
for (y=0; y < (ssize_t) yuv_image->rows; y++)
{
p=GetVirtualPixels(yuv_image,0,y,yuv_image->columns,1,
&yuv_image->exception);
if (p == (const PixelPacket *) NULL)
break;
s=GetVirtualPixels(chroma_image,0,y,chroma_image->columns,1,
&chroma_image->exception);
if (s == (const PixelPacket *) NULL)
break;
for (x=0; x < (ssize_t) yuv_image->columns; x++)
{
if (quantum == 1)
{
(void) WriteBlobByte(image,ScaleQuantumToChar(
GetPixelGreen(s)));
(void) WriteBlobByte(image,ScaleQuantumToChar(GetPixelRed(p)));
p++;
(void) WriteBlobByte(image,ScaleQuantumToChar(GetPixelBlue(s)));
(void) WriteBlobByte(image,ScaleQuantumToChar(GetPixelRed(p)));
}
else
{
(void) WriteBlobByte(image,ScaleQuantumToChar(
GetPixelGreen(s)));
(void) WriteBlobShort(image,ScaleQuantumToShort(
GetPixelRed(p)));
p++;
(void) WriteBlobByte(image,ScaleQuantumToChar(GetPixelBlue(s)));
(void) WriteBlobShort(image,ScaleQuantumToShort(
GetPixelRed(p)));
}
p++;
s++;
x++;
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
yuv_image=DestroyImage(yuv_image);
}
else
{
/*
Initialize Y channel.
*/
for (y=0; y < (ssize_t) yuv_image->rows; y++)
{
p=GetVirtualPixels(yuv_image,0,y,yuv_image->columns,1,
&yuv_image->exception);
if (p == (const PixelPacket *) NULL)
break;
for (x=0; x < (ssize_t) yuv_image->columns; x++)
{
if (quantum == 1)
(void) WriteBlobByte(image,ScaleQuantumToChar(GetPixelRed(p)));
else
(void) WriteBlobShort(image,ScaleQuantumToShort(GetPixelRed(p)));
p++;
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
yuv_image=DestroyImage(yuv_image);
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,1,3);
if (status == MagickFalse)
break;
}
/*
Initialize U channel.
*/
if (interlace == PartitionInterlace)
{
(void) CloseBlob(image);
AppendImageFormat("U",image->filename);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,
&image->exception);
if (status == MagickFalse)
return(status);
}
for (y=0; y < (ssize_t) chroma_image->rows; y++)
{
p=GetVirtualPixels(chroma_image,0,y,chroma_image->columns,1,
&chroma_image->exception);
if (p == (const PixelPacket *) NULL)
break;
for (x=0; x < (ssize_t) chroma_image->columns; x++)
{
if (quantum == 1)
(void) WriteBlobByte(image,ScaleQuantumToChar(GetPixelGreen(p)));
else
(void) WriteBlobShort(image,ScaleQuantumToShort(
GetPixelGreen(p)));
p++;
}
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,2,3);
if (status == MagickFalse)
break;
}
/*
Initialize V channel.
*/
if (interlace == PartitionInterlace)
{
(void) CloseBlob(image);
AppendImageFormat("V",image->filename);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,
&image->exception);
if (status == MagickFalse)
return(status);
}
for (y=0; y < (ssize_t) chroma_image->rows; y++)
{
p=GetVirtualPixels(chroma_image,0,y,chroma_image->columns,1,
&chroma_image->exception);
if (p == (const PixelPacket *) NULL)
break;
for (x=0; x < (ssize_t) chroma_image->columns; x++)
{
if (quantum == 1)
(void) WriteBlobByte(image,ScaleQuantumToChar(GetPixelBlue(p)));
else
(void) WriteBlobShort(image,ScaleQuantumToShort(GetPixelBlue(p)));
p++;
}
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,2,3);
if (status == MagickFalse)
break;
}
}
chroma_image=DestroyImage(chroma_image);
if (interlace == PartitionInterlace)
(void) CopyMagickString(image->filename,image_info->filename,
MaxTextExtent);
if (GetNextImageInList(image) == (Image *) NULL)
break;
image=SyncNextImageInList(image);
status=SetImageProgress(image,SaveImagesTag,scene++,
GetImageListLength(image));
if (status == MagickFalse)
break;
} while (image_info->adjoin != MagickFalse);
(void) CloseBlob(image);
return(MagickTrue);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d Y U V I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method ReadYUVImage reads an image with digital YUV (CCIR 601 4:1:1) bytes
% 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 ReadYUVImage method is:
%
% Image *ReadYUVImage(const ImageInfo *image_info)
%
% A description of each parameter follows:
%
% o image: Method ReadYUVImage 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 an ImageInfo structure.
%
%
*/
Export Image *ReadYUVImage(const ImageInfo *image_info)
{
Image
*chroma_image,
*image,
*zoom_image;
int
count,
y;
register int
i,
x;
register PixelPacket
*q,
*r;
register unsigned char
*p;
unsigned char
*scanline;
unsigned int
status;
/*
Allocate image structure.
*/
image=AllocateImage(image_info);
if (image == (Image *) NULL)
return((Image *) NULL);
if ((image->columns == 0) || (image->rows == 0))
ReaderExit(OptionWarning,"Must specify image size",image);
image->depth=8;
if (image_info->interlace != PartitionInterlace)
{
/*
Open image file.
*/
status=OpenBlob(image_info,image,ReadBinaryType);
if (status == False)
ReaderExit(FileOpenWarning,"Unable to open file",image);
for (i=0; i < image->offset; i++)
(void) ReadByte(image);
}
/*
Allocate memory for a scanline.
*/
scanline=(unsigned char *)
AllocateMemory(image->columns*sizeof(unsigned char));
if (scanline == (unsigned char *) NULL)
ReaderExit(ResourceLimitWarning,"Memory allocation failed",image);
do
{
/*
Convert raster image to pixel packets.
*/
if (image_info->interlace == PartitionInterlace)
{
AppendImageFormat("Y",image->filename);
status=OpenBlob(image_info,image,ReadBinaryType);
if (status == False)
ReaderExit(FileOpenWarning,"Unable to open file",image);
}
for (y=0; y < (int) image->rows; y++)
{
if ((y > 0) || (image->previous == (Image *) NULL))
(void) ReadBlob(image,image->columns,scanline);
p=scanline;
q=SetPixelCache(image,0,y,image->columns,1);
if (q == (PixelPacket *) NULL)
break;
for (x=0; x < (int) image->columns; x++)
{
q->red=UpScale(*p++);
q->green=0;
q->blue=0;
q++;
}
if (!SyncPixelCache(image))
break;
if (image->previous == (Image *) NULL)
ProgressMonitor(LoadImageText,y,image->rows);
}
if (image_info->interlace == PartitionInterlace)
{
CloseBlob(image);
AppendImageFormat("U",image->filename);
status=OpenBlob(image_info,image,ReadBinaryType);
if (status == False)
ReaderExit(FileOpenWarning,"Unable to open file",image);
}
chroma_image=CloneImage(image,image->columns/2,image->rows/2,True);
if (chroma_image == (Image *) NULL)
ReaderExit(ResourceLimitWarning,"Memory allocation failed",image);
for (y=0; y < (int) chroma_image->rows; y++)
{
(void) ReadBlob(image,chroma_image->columns,scanline);
p=scanline;
q=SetPixelCache(chroma_image,0,y,chroma_image->columns,1);
if (q == (PixelPacket *) NULL)
break;
for (x=0; x < (int) chroma_image->columns; x++)
{
q->red=0;
q->green=UpScale(*p++);
q->blue=0;
q++;
}
if (!SyncPixelCache(chroma_image))
break;
}
if (image_info->interlace == PartitionInterlace)
{
CloseBlob(image);
AppendImageFormat("V",image->filename);
status=OpenBlob(image_info,image,ReadBinaryType);
if (status == False)
ReaderExit(FileOpenWarning,"Unable to open file",image);
}
for (y=0; y < (int) chroma_image->rows; y++)
{
(void) ReadBlob(image,chroma_image->columns,scanline);
p=scanline;
q=GetPixelCache(chroma_image,0,y,chroma_image->columns,1);
if (q == (PixelPacket *) NULL)
break;
for (x=0; x < (int) chroma_image->columns; x++)
{
q->blue=UpScale(*p++);
q++;
}
if (!SyncPixelCache(chroma_image))
break;
}
/*
Scale image.
*/
chroma_image->orphan=True;
zoom_image=SampleImage(chroma_image,image->columns,image->rows);
DestroyImage(chroma_image);
if (zoom_image == (Image *) NULL)
ReaderExit(ResourceLimitWarning,"Memory allocation failed",image);
for (y=0; y < (int) image->rows; y++)
{
q=GetPixelCache(image,0,y,image->columns,1);
r=GetPixelCache(zoom_image,0,y,zoom_image->columns,1);
if ((q == (PixelPacket *) NULL) || (r == (PixelPacket *) NULL))
break;
for (x=0; x < (int) image->columns; x++)
{
q->green=r->green;
q->blue=r->blue;
r++;
q++;
}
if (!SyncPixelCache(image))
break;
}
DestroyImage(zoom_image);
TransformRGBImage(image,YCbCrColorspace);
if (image_info->interlace == PartitionInterlace)
(void) strcpy(image->filename,image_info->filename);
/*
Proceed to next image.
*/
if (image_info->subrange != 0)
if (image->scene >= (image_info->subimage+image_info->subrange-1))
break;
count=ReadBlob(image,image->columns,(char *) scanline);
if (count > 0)
{
/*
Allocate next image structure.
*/
AllocateNextImage(image_info,image);
if (image->next == (Image *) NULL)
{
DestroyImages(image);
return((Image *) NULL);
}
image=image->next;
ProgressMonitor(LoadImagesText,TellBlob(image),image->filesize);
}
} while (count > 0);
FreeMemory(scanline);
while (image->previous != (Image *) NULL)
image=image->previous;
CloseBlob(image);
return(image);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e Y U V I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method WriteYUVImage writes an image to a file in the digital YUV
% (CCIR 601 4:1:1) format.
%
% The format of the WriteYUVImage method is:
%
% unsigned int WriteYUVImage(const ImageInfo *image_info,Image *image)
%
% A description of each parameter follows.
%
% o status: Method WriteYUVImage 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 an ImageInfo structure.
%
% o image: A pointer to a Image structure.
%
%
*/
Export unsigned int WriteYUVImage(const ImageInfo *image_info,Image *image)
{
Image
*chroma_image,
*yuv_image;
int
y;
register int
x;
register PixelPacket
*p;
unsigned int
height,
scene,
status,
width;
if (image_info->interlace != PartitionInterlace)
{
/*
Open output image file.
*/
status=OpenBlob(image_info,image,WriteBinaryType);
if (status == False)
WriterExit(FileOpenWarning,"Unable to open file",image);
}
if (image_info->interlace == PartitionInterlace)
{
AppendImageFormat("Y",image->filename);
status=OpenBlob(image_info,image,WriteBinaryType);
if (status == False)
WriterExit(FileOpenWarning,"Unable to open file",image);
}
scene=0;
do
{
/*
Sample image to an even width and height.
*/
TransformRGBImage(image,RGBColorspace);
width=image->columns+(image->columns & 0x01);
height=image->rows+(image->rows & 0x01);
image->orphan=True;
yuv_image=SampleImage(image,width,height);
if (yuv_image == (Image *) NULL)
WriterExit(ResourceLimitWarning,"Unable to zoom image",image);
RGBTransformImage(yuv_image,YCbCrColorspace);
/*
Initialize Y channel.
*/
for (y=0; y < (int) yuv_image->rows; y++)
{
p=GetPixelCache(yuv_image,0,y,yuv_image->columns,1);
if (p == (PixelPacket *) NULL)
break;
for (x=0; x < (int) yuv_image->columns; x++)
{
(void) WriteByte(image,DownScale(p->red));
p++;
}
if (image->previous == (Image *) NULL)
if (QuantumTick(y,image->rows))
ProgressMonitor(SaveImageText,y,image->rows);
}
DestroyImage(yuv_image);
/*
Downsample image.
*/
image->orphan=True;
chroma_image=SampleImage(image,width/2,height/2);
if (chroma_image == (Image *) NULL)
WriterExit(ResourceLimitWarning,"Unable to zoom image",image);
RGBTransformImage(chroma_image,YCbCrColorspace);
/*
Initialize U channel.
*/
if (image_info->interlace == PartitionInterlace)
{
CloseBlob(image);
AppendImageFormat("U",image->filename);
status=OpenBlob(image_info,image,WriteBinaryType);
if (status == False)
WriterExit(FileOpenWarning,"Unable to open file",image);
}
for (y=0; y < (int) chroma_image->rows; y++)
{
p=GetPixelCache(chroma_image,0,y,chroma_image->columns,1);
if (p == (PixelPacket *) NULL)
break;
for (x=0; x < (int) chroma_image->columns; x++)
{
(void) WriteByte(image,DownScale(p->green));
p++;
}
}
/*
Initialize V channel.
*/
if (image_info->interlace == PartitionInterlace)
{
CloseBlob(image);
AppendImageFormat("V",image->filename);
status=OpenBlob(image_info,image,WriteBinaryType);
if (status == False)
WriterExit(FileOpenWarning,"Unable to open file",image);
}
for (y=0; y < (int) chroma_image->rows; y++)
{
p=GetPixelCache(chroma_image,0,y,chroma_image->columns,1);
if (p == (PixelPacket *) NULL)
break;
for (x=0; x < (int) chroma_image->columns; x++)
{
(void) WriteByte(image,DownScale(p->blue));
p++;
}
}
DestroyImage(chroma_image);
if (image_info->interlace == PartitionInterlace)
(void) strcpy(image->filename,image_info->filename);
if (image->next == (Image *) NULL)
break;
image=GetNextImage(image);
ProgressMonitor(SaveImagesText,scene++,GetNumberScenes(image));
} while (image_info->adjoin);
if (image_info->adjoin)
while (image->previous != (Image *) NULL)
image=image->previous;
CloseBlob(image);
return(True);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d Y C b C r I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ReadYCBCRImage() reads an image of raw YCbCr or YCbCrA 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 ReadYCBCRImage method is:
%
% Image *ReadYCBCRImage(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.
%
*/
static Image *ReadYCBCRImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
Image
*canvas_image,
*image;
MagickBooleanType
status;
MagickOffsetType
scene;
QuantumInfo
*quantum_info;
QuantumType
quantum_type;
register const PixelPacket
*p;
register ssize_t
i,
x;
register PixelPacket
*q;
size_t
length;
ssize_t
count,
y;
unsigned char
*pixels;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
image=AcquireImage(image_info);
if ((image->columns == 0) || (image->rows == 0))
ThrowReaderException(OptionError,"MustSpecifyImageSize");
SetImageColorspace(image,YCbCrColorspace);
if (image_info->interlace != PartitionInterlace)
{
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
if (DiscardBlobBytes(image,image->offset) == MagickFalse)
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
image->filename);
}
/*
Create virtual canvas to support cropping (i.e. image.rgb[100x100+10+20]).
*/
canvas_image=CloneImage(image,image->extract_info.width,1,MagickFalse,
exception);
(void) SetImageVirtualPixelMethod(canvas_image,BlackVirtualPixelMethod);
quantum_info=AcquireQuantumInfo(image_info,canvas_image);
if (quantum_info == (QuantumInfo *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
pixels=GetQuantumPixels(quantum_info);
quantum_type=RGBQuantum;
if (LocaleCompare(image_info->magick,"YCbCrA") == 0)
{
quantum_type=RGBAQuantum;
image->matte=MagickTrue;
}
if (image_info->number_scenes != 0)
while (image->scene < image_info->scene)
{
/*
Skip to next image.
*/
image->scene++;
length=GetQuantumExtent(canvas_image,quantum_info,quantum_type);
for (y=0; y < (ssize_t) image->rows; y++)
{
count=ReadBlob(image,length,pixels);
if (count != (ssize_t) length)
break;
}
}
count=0;
length=0;
scene=0;
do
{
/*
Read pixels to virtual canvas image then push to image.
*/
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
SetImageColorspace(image,YCbCrColorspace);
switch (image_info->interlace)
{
case NoInterlace:
default:
{
/*
No interlacing: YCbCrYCbCrYCbCrYCbCrYCbCrYCbCr...
*/
if (scene == 0)
{
length=GetQuantumExtent(canvas_image,quantum_info,quantum_type);
count=ReadBlob(image,length,pixels);
}
for (y=0; y < (ssize_t) image->extract_info.height; y++)
{
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 == (PixelPacket *) 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 PixelPacket *) NULL) ||
(q == (PixelPacket *) NULL))
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelRed(q,GetPixelRed(p));
SetPixelGreen(q,GetPixelGreen(p));
SetPixelBlue(q,GetPixelBlue(p));
if (image->matte != MagickFalse)
SetPixelOpacity(q,GetPixelOpacity(p));
p++;
q++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
count=ReadBlob(image,length,pixels);
}
break;
}
case LineInterlace:
{
static QuantumType
quantum_types[4] =
{
RedQuantum,
GreenQuantum,
BlueQuantum,
OpacityQuantum
};
/*
Line interlacing: YYY...CbCbCb...CrCrCr...YYY...CbCbCb...CrCrCr...
*/
if (scene == 0)
{
length=GetQuantumExtent(canvas_image,quantum_info,RedQuantum);
count=ReadBlob(image,length,pixels);
}
for (y=0; y < (ssize_t) image->extract_info.height; y++)
{
for (i=0; i < (image->matte != MagickFalse ? 4 : 3); i++)
{
if (count != (ssize_t) length)
{
ThrowFileException(exception,CorruptImageError,
"UnexpectedEndOfFile",image->filename);
break;
}
quantum_type=quantum_types[i];
q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
exception);
if (q == (PixelPacket *) 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 PixelPacket *) NULL) ||
(q == (PixelPacket *) NULL))
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
switch (quantum_type)
{
case RedQuantum:
{
SetPixelRed(q,GetPixelRed(p));
break;
}
case GreenQuantum:
{
SetPixelGreen(q,GetPixelGreen(p));
break;
}
case BlueQuantum:
{
SetPixelBlue(q,GetPixelBlue(p));
break;
}
case OpacityQuantum:
{
SetPixelOpacity(q,GetPixelOpacity(p));
break;
}
default:
break;
}
p++;
q++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
count=ReadBlob(image,length,pixels);
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
break;
}
case PlaneInterlace:
{
/*
Plane interlacing: YYYYYY...CbCbCbCbCbCb...CrCrCrCrCrCr...
*/
if (scene == 0)
{
length=GetQuantumExtent(canvas_image,quantum_info,RedQuantum);
count=ReadBlob(image,length,pixels);
}
for (y=0; y < (ssize_t) image->extract_info.height; y++)
{
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 == (PixelPacket *) 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 PixelPacket *) NULL) ||
(q == (PixelPacket *) NULL))
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelRed(q,GetPixelRed(p));
p++;
q++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
count=ReadBlob(image,length,pixels);
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,1,5);
if (status == MagickFalse)
break;
}
for (y=0; y < (ssize_t) image->extract_info.height; y++)
{
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 == (PixelPacket *) 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 PixelPacket *) NULL) ||
(q == (PixelPacket *) NULL))
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelGreen(q,GetPixelGreen(p));
p++;
q++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
count=ReadBlob(image,length,pixels);
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,2,5);
if (status == MagickFalse)
break;
}
for (y=0; y < (ssize_t) image->extract_info.height; y++)
{
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 == (PixelPacket *) 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 PixelPacket *) NULL) ||
(q == (PixelPacket *) NULL))
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelBlue(q,GetPixelBlue(p));
p++;
q++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
count=ReadBlob(image,length,pixels);
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,3,5);
if (status == MagickFalse)
break;
}
if (image->matte != MagickFalse)
{
for (y=0; y < (ssize_t) image->extract_info.height; y++)
{
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 == (PixelPacket *) 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 PixelPacket *) NULL) ||
(q == (PixelPacket *) NULL))
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelOpacity(q,GetPixelOpacity(p));
p++;
q++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
count=ReadBlob(image,length,pixels);
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,4,5);
if (status == MagickFalse)
break;
}
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,5,5);
if (status == MagickFalse)
break;
}
break;
}
case PartitionInterlace:
{
/*
Partition interlacing: YYYYYY..., CbCbCbCbCbCb..., CrCrCrCrCrCr...
*/
AppendImageFormat("Y",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,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++)
if (ReadBlob(image,length,pixels) != (ssize_t) length)
{
ThrowFileException(exception,CorruptImageError,
"UnexpectedEndOfFile",image->filename);
break;
}
count=ReadBlob(image,length,pixels);
for (y=0; y < (ssize_t) image->extract_info.height; y++)
{
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 == (PixelPacket *) 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 PixelPacket *) NULL) ||
(q == (PixelPacket *) NULL))
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelRed(q,GetPixelRed(p));
p++;
q++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
count=ReadBlob(image,length,pixels);
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,1,5);
if (status == MagickFalse)
break;
}
(void) CloseBlob(image);
AppendImageFormat("Cb",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++)
if (ReadBlob(image,length,pixels) != (ssize_t) length)
{
ThrowFileException(exception,CorruptImageError,
"UnexpectedEndOfFile",image->filename);
break;
}
count=ReadBlob(image,length,pixels);
for (y=0; y < (ssize_t) image->extract_info.height; y++)
{
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 == (PixelPacket *) 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 PixelPacket *) NULL) ||
(q == (PixelPacket *) NULL))
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelGreen(q,GetPixelGreen(p));
p++;
q++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
count=ReadBlob(image,length,pixels);
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,2,5);
if (status == MagickFalse)
break;
}
(void) CloseBlob(image);
AppendImageFormat("Cr",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++)
if (ReadBlob(image,length,pixels) != (ssize_t) length)
{
ThrowFileException(exception,CorruptImageError,
"UnexpectedEndOfFile",image->filename);
break;
}
count=ReadBlob(image,length,pixels);
for (y=0; y < (ssize_t) image->extract_info.height; y++)
{
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 == (PixelPacket *) 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 PixelPacket *) NULL) ||
(q == (PixelPacket *) NULL))
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelBlue(q,GetPixelBlue(p));
p++;
q++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
count=ReadBlob(image,length,pixels);
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,3,5);
if (status == MagickFalse)
break;
}
if (image->matte != MagickFalse)
{
(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++)
if (ReadBlob(image,length,pixels) != (ssize_t) length)
{
ThrowFileException(exception,CorruptImageError,
"UnexpectedEndOfFile",image->filename);
break;
}
count=ReadBlob(image,length,pixels);
for (y=0; y < (ssize_t) image->extract_info.height; y++)
{
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 == (PixelPacket *) 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 PixelPacket *) NULL) ||
(q == (PixelPacket *) NULL))
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelOpacity(q,GetPixelOpacity(p));
p++;
q++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
count=ReadBlob(image,length,pixels);
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,4,5);
if (status == MagickFalse)
break;
}
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,5,5);
if (status == MagickFalse)
break;
}
break;
}
}
SetQuantumImageType(image,quantum_type);
/*
Proceed to next image.
*/
if (image_info->number_scenes != 0)
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
if (count == (ssize_t) length)
{
/*
Allocate next image structure.
*/
AcquireNextImage(image_info,image);
if (GetNextImageInList(image) == (Image *) NULL)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
image=SyncNextImageInList(image);
status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
GetBlobSize(image));
if (status == MagickFalse)
break;
}
scene++;
} while (count == (ssize_t) length);
quantum_info=DestroyQuantumInfo(quantum_info);
InheritException(&image->exception,&canvas_image->exception);
canvas_image=DestroyImage(canvas_image);
(void) CloseBlob(image);
return(GetFirstImageInList(image));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e Y C b C r I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% WriteYCBCRImage() writes an image to a file in the YCbCr or YCbCrA
% rasterfile format.
%
% The format of the WriteYCBCRImage method is:
%
% MagickBooleanType WriteYCBCRImage(const ImageInfo *image_info,
% Image *image)
%
% A description of each parameter follows.
%
% o image_info: the image info.
%
% o image: The image.
%
*/
static MagickBooleanType WriteYCBCRImage(const ImageInfo *image_info,
Image *image)
{
MagickBooleanType
status;
MagickOffsetType
scene;
QuantumInfo
*quantum_info;
QuantumType
quantum_type;
register const PixelPacket
*p;
size_t
length;
ssize_t
count,
y;
unsigned char
*pixels;
/*
Allocate memory for pixels.
*/
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);
if (image_info->interlace != PartitionInterlace)
{
/*
Open output image file.
*/
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
}
quantum_type=RGBQuantum;
if (LocaleCompare(image_info->magick,"YCbCrA") == 0)
{
quantum_type=RGBAQuantum;
image->matte=MagickTrue;
}
scene=0;
do
{
/*
Convert MIFF to YCbCr raster pixels.
*/
if (image->colorspace != YCbCrColorspace)
(void) TransformImageColorspace(image,YCbCrColorspace);
if ((LocaleCompare(image_info->magick,"YCbCrA") == 0) &&
(image->matte == MagickFalse))
(void) SetImageAlphaChannel(image,ResetAlphaChannel);
quantum_info=AcquireQuantumInfo(image_info,image);
if (quantum_info == (QuantumInfo *) NULL)
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
pixels=GetQuantumPixels(quantum_info);
switch (image_info->interlace)
{
case NoInterlace:
default:
{
/*
No interlacing: YCbCrYCbCrYCbCrYCbCrYCbCrYCbCr...
*/
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
length=ExportQuantumPixels(image,(const CacheView *) NULL,
quantum_info,quantum_type,pixels,&image->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;
}
case LineInterlace:
{
/*
Line interlacing: YYY...CbCbCb...CrCrCr...YYY...CbCbCb...CrCrCr...
*/
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
length=ExportQuantumPixels(image,(const CacheView *) NULL,
quantum_info,RedQuantum,pixels,&image->exception);
count=WriteBlob(image,length,pixels);
if (count != (ssize_t) length)
break;
length=ExportQuantumPixels(image,(const CacheView *) NULL,
quantum_info,GreenQuantum,pixels,&image->exception);
count=WriteBlob(image,length,pixels);
if (count != (ssize_t) length)
break;
length=ExportQuantumPixels(image,(const CacheView *) NULL,
quantum_info,BlueQuantum,pixels,&image->exception);
count=WriteBlob(image,length,pixels);
if (count != (ssize_t) length)
break;
if (quantum_type == RGBAQuantum)
{
length=ExportQuantumPixels(image,(const CacheView *) NULL,
quantum_info,AlphaQuantum,pixels,&image->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;
}
case PlaneInterlace:
{
/*
Plane interlacing: YYYYYY...CbCbCbCbCbCb...CrCrCrCrCrCr...
*/
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
length=ExportQuantumPixels(image,(const CacheView *) NULL,
quantum_info,RedQuantum,pixels,&image->exception);
count=WriteBlob(image,length,pixels);
if (count != (ssize_t) length)
break;
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,1,5);
if (status == MagickFalse)
break;
}
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
length=ExportQuantumPixels(image,(const CacheView *) NULL,
quantum_info,GreenQuantum,pixels,&image->exception);
count=WriteBlob(image,length,pixels);
if (count != (ssize_t) length)
break;
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,2,5);
if (status == MagickFalse)
break;
}
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
length=ExportQuantumPixels(image,(const CacheView *) NULL,
quantum_info,BlueQuantum,pixels,&image->exception);
count=WriteBlob(image,length,pixels);
if (count != (ssize_t) length)
break;
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,3,5);
if (status == MagickFalse)
break;
}
if (quantum_type == RGBAQuantum)
{
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,
&image->exception);
if (p == (const PixelPacket *) NULL)
break;
length=ExportQuantumPixels(image,(const CacheView *) NULL,
quantum_info,AlphaQuantum,pixels,&image->exception);
count=WriteBlob(image,length,pixels);
if (count != (ssize_t) length)
break;
}
}
if (image_info->interlace == PartitionInterlace)
(void) CopyMagickString(image->filename,image_info->filename,
MaxTextExtent);
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,5,5);
if (status == MagickFalse)
break;
}
break;
}
case PartitionInterlace:
{
/*
Partition interlacing: YYYYYY..., CbCbCbCbCbCb..., CrCrCrCrCrCr...
*/
AppendImageFormat("Y",image->filename);
status=OpenBlob(image_info,image,scene == 0 ? WriteBinaryBlobMode :
AppendBinaryBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
length=ExportQuantumPixels(image,(const CacheView *) NULL,
quantum_info,RedQuantum,pixels,&image->exception);
count=WriteBlob(image,length,pixels);
if (count != (ssize_t) length)
break;
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,1,5);
if (status == MagickFalse)
break;
}
(void) CloseBlob(image);
AppendImageFormat("Cb",image->filename);
status=OpenBlob(image_info,image,scene == 0 ? WriteBinaryBlobMode :
AppendBinaryBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
length=ExportQuantumPixels(image,(const CacheView *) NULL,
quantum_info,GreenQuantum,pixels,&image->exception);
count=WriteBlob(image,length,pixels);
if (count != (ssize_t) length)
break;
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,2,5);
if (status == MagickFalse)
break;
}
(void) CloseBlob(image);
AppendImageFormat("Cr",image->filename);
status=OpenBlob(image_info,image,scene == 0 ? WriteBinaryBlobMode :
AppendBinaryBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
length=ExportQuantumPixels(image,(const CacheView *) NULL,
quantum_info,BlueQuantum,pixels,&image->exception);
count=WriteBlob(image,length,pixels);
if (count != (ssize_t) length)
break;
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,3,5);
if (status == MagickFalse)
break;
}
if (quantum_type == RGBAQuantum)
{
(void) CloseBlob(image);
AppendImageFormat("A",image->filename);
status=OpenBlob(image_info,image,scene == 0 ? WriteBinaryBlobMode :
AppendBinaryBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,
&image->exception);
if (p == (const PixelPacket *) NULL)
break;
length=ExportQuantumPixels(image,(const CacheView *) NULL,
quantum_info,AlphaQuantum,pixels,&image->exception);
count=WriteBlob(image,length,pixels);
if (count != (ssize_t) length)
break;
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,4,5);
if (status == MagickFalse)
break;
}
}
(void) CloseBlob(image);
(void) CopyMagickString(image->filename,image_info->filename,
MaxTextExtent);
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,5,5);
if (status == MagickFalse)
break;
}
break;
}
}
quantum_info=DestroyQuantumInfo(quantum_info);
if (GetNextImageInList(image) == (Image *) NULL)
break;
image=SyncNextImageInList(image);
status=SetImageProgress(image,SaveImagesTag,scene++,
GetImageListLength(image));
if (status == MagickFalse)
break;
} while (image_info->adjoin != MagickFalse);
(void) CloseBlob(image);
return(MagickTrue);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e H T M L I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% WriteHTMLImage() writes an image in the HTML encoded image format.
%
% The format of the WriteHTMLImage method is:
%
% MagickBooleanType WriteHTMLImage(const ImageInfo *image_info,Image *image)
%
% A description of each parameter follows.
%
% o image_info: the image info.
%
% o image: The image.
%
%
*/
static MagickBooleanType WriteHTMLImage(const ImageInfo *image_info,
Image *image)
{
char
basename[MaxTextExtent],
buffer[MaxTextExtent],
filename[MaxTextExtent],
mapname[MaxTextExtent],
url[MaxTextExtent];
Image
*next;
ImageInfo
*write_info;
MagickBooleanType
status;
RectangleInfo
geometry;
register char
*p;
/*
Open image.
*/
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_info->filename);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
(void) CloseBlob(image);
if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
(void) TransformImageColorspace(image,sRGBColorspace);
*url='\0';
if ((LocaleCompare(image_info->magick,"FTP") == 0) ||
(LocaleCompare(image_info->magick,"HTTP") == 0))
{
/*
Extract URL base from filename.
*/
p=strrchr(image->filename,'/');
if (p != (char *) NULL)
{
p++;
(void) CopyMagickString(url,image_info->magick,MaxTextExtent);
(void) ConcatenateMagickString(url,":",MaxTextExtent);
url[strlen(url)+p-image->filename]='\0';
(void) ConcatenateMagickString(url,image->filename,
p-image->filename+2);
(void) CopyMagickString(image->filename,p,MaxTextExtent);
}
}
/*
Refer to image map file.
*/
(void) CopyMagickString(filename,image->filename,MaxTextExtent);
AppendImageFormat("map",filename);
GetPathComponent(filename,BasePath,basename);
(void) CopyMagickString(mapname,basename,MaxTextExtent);
(void) CopyMagickString(image->filename,image_info->filename,MaxTextExtent);
(void) CopyMagickString(filename,image->filename,MaxTextExtent);
write_info=CloneImageInfo(image_info);
write_info->adjoin=MagickTrue;
status=MagickTrue;
if (LocaleCompare(image_info->magick,"SHTML") != 0)
{
const char
*value;
/*
Open output image file.
*/
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
/*
Write the HTML image file.
*/
(void) WriteBlobString(image,"<?xml version=\"1.0\" "
"encoding=\"US-ASCII\"?>\n");
(void) WriteBlobString(image,"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML "
"1.0 Strict//EN\" "
"\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n");
(void) WriteBlobString(image,"<html>\n");
(void) WriteBlobString(image,"<head>\n");
value=GetImageProperty(image,"label");
if (value != (const char *) NULL)
(void) FormatLocaleString(buffer,MaxTextExtent,"<title>%s</title>\n",
value);
else
{
GetPathComponent(filename,BasePath,basename);
(void) FormatLocaleString(buffer,MaxTextExtent,
"<title>%s</title>\n",basename);
}
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"</head>\n");
(void) WriteBlobString(image,"<body style=\"text-align: center;\">\n");
(void) FormatLocaleString(buffer,MaxTextExtent,"<h1>%s</h1>\n",
image->filename);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"<div>\n");
(void) CopyMagickString(filename,image->filename,MaxTextExtent);
AppendImageFormat("png",filename);
(void) FormatLocaleString(buffer,MaxTextExtent,"<img usemap=\"#%s\" "
"src=\"%s\" style=\"border: 0;\" alt=\"Image map\" />\n",mapname,
filename);
(void) WriteBlobString(image,buffer);
/*
Determine the size and location of each image tile.
*/
SetGeometry(image,&geometry);
if (image->montage != (char *) NULL)
(void) ParseAbsoluteGeometry(image->montage,&geometry);
/*
Write an image map.
*/
(void) FormatLocaleString(buffer,MaxTextExtent,
"<map id=\"%s\" name=\"%s\">\n",mapname,mapname);
(void) WriteBlobString(image,buffer);
(void) FormatLocaleString(buffer,MaxTextExtent," <area href=\"%s",url);
(void) WriteBlobString(image,buffer);
if (image->directory == (char *) NULL)
{
(void) FormatLocaleString(buffer,MaxTextExtent,
"%s\" shape=\"rect\" coords=\"0,0,%.20g,%.20g\" alt=\"\" />\n",
image->filename,(double) geometry.width-1,(double) geometry.height-
1);
(void) WriteBlobString(image,buffer);
}
else
for (p=image->directory; *p != '\0'; p++)
if (*p != '\n')
(void) WriteBlobByte(image,(unsigned char) *p);
else
{
(void) FormatLocaleString(buffer,MaxTextExtent,"\" shape="
"\"rect\" coords=\"%.20g,%.20g,%.20g,%.20g\" alt=\"\" />\n",
(double) geometry.x,(double) geometry.y,(double) (geometry.x+
geometry.width-1),(double) (geometry.y+geometry.height-1));
(void) WriteBlobString(image,buffer);
if (*(p+1) != '\0')
{
(void) FormatLocaleString(buffer,MaxTextExtent,
" <area href=%s\"",url);
(void) WriteBlobString(image,buffer);
}
geometry.x+=(ssize_t) geometry.width;
if ((geometry.x+4) >= (ssize_t) image->columns)
{
geometry.x=0;
geometry.y+=(ssize_t) geometry.height;
}
}
(void) WriteBlobString(image,"</map>\n");
(void) CopyMagickString(filename,image->filename,MaxTextExtent);
(void) WriteBlobString(image,"</div>\n");
(void) WriteBlobString(image,"</body>\n");
(void) WriteBlobString(image,"</html>\n");
(void) CloseBlob(image);
/*
Write the image as PNG.
*/
(void) CopyMagickString(image->filename,filename,MaxTextExtent);
AppendImageFormat("png",image->filename);
next=GetNextImageInList(image);
image->next=NewImageList();
(void) CopyMagickString(image->magick,"PNG",MaxTextExtent);
(void) WriteImage(write_info,image);
image->next=next;
/*
Determine image map filename.
*/
GetPathComponent(image->filename,BasePath,filename);
(void) ConcatenateMagickString(filename,"_map.shtml",MaxTextExtent);
(void) CopyMagickString(image->filename,filename,MaxTextExtent);
}
/*
Open image map.
*/
status=OpenBlob(write_info,image,WriteBinaryBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
write_info=DestroyImageInfo(write_info);
/*
Determine the size and location of each image tile.
*/
SetGeometry(image,&geometry);
if (image->montage != (char *) NULL)
(void) ParseAbsoluteGeometry(image->montage,&geometry);
/*
Write an image map.
*/
(void) FormatLocaleString(buffer,MaxTextExtent,
"<map id=\"%s\" name=\"%s\">\n",mapname,mapname);
(void) WriteBlobString(image,buffer);
(void) FormatLocaleString(buffer,MaxTextExtent," <area href=\"%s",url);
(void) WriteBlobString(image,buffer);
if (image->directory == (char *) NULL)
{
(void) FormatLocaleString(buffer,MaxTextExtent,
"%s\" shape=\"rect\" coords=\"0,0,%.20g,%.20g\" alt=\"\" />\n",
image->filename,(double) geometry.width-1,(double) geometry.height-1);
(void) WriteBlobString(image,buffer);
}
else
for (p=image->directory; *p != '\0'; p++)
if (*p != '\n')
(void) WriteBlobByte(image,(unsigned char) *p);
else
{
(void) FormatLocaleString(buffer,MaxTextExtent,"\" shape=\"rect\""
" coords=\"%.20g,%.20g,%.20g,%.20g\" alt=\"\" />\n",
(double) geometry.x,(double) geometry.y,geometry.x+(double)
geometry.width-1,geometry.y+(double) geometry.height-1);
(void) WriteBlobString(image,buffer);
if (*(p+1) != '\0')
{
(void) FormatLocaleString(buffer,MaxTextExtent,
" <area href=%s\"",url);
(void) WriteBlobString(image,buffer);
}
geometry.x+=(ssize_t) geometry.width;
if ((geometry.x+4) >= (ssize_t) image->columns)
{
geometry.x=0;
geometry.y+=(ssize_t) geometry.height;
}
}
(void) WriteBlobString(image,"</map>\n");
(void) CloseBlob(image);
(void) CopyMagickString(image->filename,filename,MaxTextExtent);
return(status);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d C A C H E I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ReadMPCImage() reads an Magick Persistent Cache 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 ReadMPCImage method is:
%
% Image *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception)
%
% Decompression code contributed by Kyle Shorter.
%
% A description of each parameter follows:
%
% o image_info: the image info.
%
% o exception: return any errors or warnings in this structure.
%
*/
static Image *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
char
cache_filename[MaxTextExtent],
id[MaxTextExtent],
keyword[MaxTextExtent],
*options;
const unsigned char
*p;
GeometryInfo
geometry_info;
Image
*image;
int
c;
LinkedListInfo
*profiles;
MagickBooleanType
status;
MagickOffsetType
offset;
MagickStatusType
flags;
register long
i;
size_t
length;
ssize_t
count;
StringInfo
*profile;
unsigned long
depth,
quantum_depth;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
image=AcquireImage(image_info);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
(void) CopyMagickString(cache_filename,image->filename,MaxTextExtent);
AppendImageFormat("cache",cache_filename);
c=ReadBlobByte(image);
if (c == EOF)
{
image=DestroyImage(image);
return((Image *) NULL);
}
*id='\0';
(void) ResetMagickMemory(keyword,0,sizeof(keyword));
offset=0;
do
{
/*
Decode image header; header terminates one character beyond a ':'.
*/
profiles=(LinkedListInfo *) NULL;
length=MaxTextExtent;
options=AcquireString((char *) NULL);
quantum_depth=MAGICKCORE_QUANTUM_DEPTH;
image->depth=8;
image->compression=NoCompression;
while ((isgraph(c) != MagickFalse) && (c != (int) ':'))
{
register char
*p;
if (c == (int) '{')
{
char
*comment;
/*
Read comment-- any text between { }.
*/
length=MaxTextExtent;
comment=AcquireString((char *) NULL);
for (p=comment; comment != (char *) NULL; p++)
{
c=ReadBlobByte(image);
if ((c == EOF) || (c == (int) '}'))
break;
if ((size_t) (p-comment+1) >= length)
{
*p='\0';
length<<=1;
comment=(char *) ResizeQuantumMemory(comment,length+
MaxTextExtent,sizeof(*comment));
if (comment == (char *) NULL)
break;
p=comment+strlen(comment);
}
*p=(char) c;
}
if (comment == (char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
*p='\0';
(void) SetImageProperty(image,"comment",comment);
comment=DestroyString(comment);
c=ReadBlobByte(image);
}
else
if (isalnum(c) != MagickFalse)
{
/*
Get the keyword.
*/
p=keyword;
do
{
if (isspace((int) ((unsigned char) c)) != 0)
break;
if (c == (int) '=')
break;
if ((size_t) (p-keyword) < (MaxTextExtent-1))
*p++=(char) c;
c=ReadBlobByte(image);
} while (c != EOF);
*p='\0';
p=options;
while (isspace((int) ((unsigned char) c)) != 0)
c=ReadBlobByte(image);
if (c == (int) '=')
{
/*
Get the keyword value.
*/
c=ReadBlobByte(image);
while ((c != (int) '}') && (c != EOF))
{
if ((size_t) (p-options+1) >= length)
{
*p='\0';
length<<=1;
options=(char *) ResizeQuantumMemory(options,length+
MaxTextExtent,sizeof(*options));
if (options == (char *) NULL)
break;
p=options+strlen(options);
}
if (options == (char *) NULL)
ThrowReaderException(ResourceLimitError,
"MemoryAllocationFailed");
*p++=(char) c;
c=ReadBlobByte(image);
if (*options != '{')
if (isspace((int) ((unsigned char) c)) != 0)
break;
}
}
*p='\0';
if (*options == '{')
(void) CopyMagickString(options,options+1,MaxTextExtent);
/*
Assign a value to the specified keyword.
*/
switch (*keyword)
{
case 'b':
case 'B':
{
if (LocaleCompare(keyword,"background-color") == 0)
{
(void) QueryColorDatabase(options,&image->background_color,
exception);
break;
}
if (LocaleCompare(keyword,"blue-primary") == 0)
{
flags=ParseGeometry(options,&geometry_info);
image->chromaticity.blue_primary.x=geometry_info.rho;
image->chromaticity.blue_primary.y=geometry_info.sigma;
if ((flags & SigmaValue) == 0)
image->chromaticity.blue_primary.y=
image->chromaticity.blue_primary.x;
break;
}
if (LocaleCompare(keyword,"border-color") == 0)
{
(void) QueryColorDatabase(options,&image->border_color,
exception);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'c':
case 'C':
{
if (LocaleCompare(keyword,"class") == 0)
{
long
storage_class;
storage_class=ParseMagickOption(MagickClassOptions,
MagickFalse,options);
if (storage_class < 0)
break;
image->storage_class=(ClassType) storage_class;
break;
}
if (LocaleCompare(keyword,"colors") == 0)
{
image->colors=StringToUnsignedLong(options);
break;
}
if (LocaleCompare(keyword,"colorspace") == 0)
{
long
colorspace;
colorspace=ParseMagickOption(MagickColorspaceOptions,
MagickFalse,options);
if (colorspace < 0)
break;
image->colorspace=(ColorspaceType) colorspace;
break;
}
if (LocaleCompare(keyword,"compression") == 0)
{
long
compression;
compression=ParseMagickOption(MagickCompressOptions,
MagickFalse,options);
if (compression < 0)
break;
image->compression=(CompressionType) compression;
break;
}
if (LocaleCompare(keyword,"columns") == 0)
{
image->columns=StringToUnsignedLong(options);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'd':
case 'D':
{
if (LocaleCompare(keyword,"delay") == 0)
{
image->delay=StringToUnsignedLong(options);
break;
}
if (LocaleCompare(keyword,"depth") == 0)
{
image->depth=StringToUnsignedLong(options);
break;
}
if (LocaleCompare(keyword,"dispose") == 0)
{
long
dispose;
dispose=ParseMagickOption(MagickDisposeOptions,MagickFalse,
options);
if (dispose < 0)
break;
image->dispose=(DisposeType) dispose;
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'e':
case 'E':
{
if (LocaleCompare(keyword,"endian") == 0)
{
long
endian;
endian=ParseMagickOption(MagickEndianOptions,MagickFalse,
options);
if (endian < 0)
break;
image->endian=(EndianType) endian;
break;
}
if (LocaleCompare(keyword,"error") == 0)
{
image->error.mean_error_per_pixel=StringToDouble(options);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'g':
case 'G':
{
if (LocaleCompare(keyword,"gamma") == 0)
{
image->gamma=StringToDouble(options);
break;
}
if (LocaleCompare(keyword,"green-primary") == 0)
{
flags=ParseGeometry(options,&geometry_info);
image->chromaticity.green_primary.x=geometry_info.rho;
image->chromaticity.green_primary.y=geometry_info.sigma;
if ((flags & SigmaValue) == 0)
image->chromaticity.green_primary.y=
image->chromaticity.green_primary.x;
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'i':
case 'I':
{
if (LocaleCompare(keyword,"id") == 0)
{
(void) CopyMagickString(id,options,MaxTextExtent);
break;
}
if (LocaleCompare(keyword,"iterations") == 0)
{
image->iterations=StringToUnsignedLong(options);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'm':
case 'M':
{
if (LocaleCompare(keyword,"matte") == 0)
{
long
matte;
matte=ParseMagickOption(MagickBooleanOptions,MagickFalse,
options);
if (matte < 0)
break;
image->matte=(MagickBooleanType) matte;
break;
}
if (LocaleCompare(keyword,"matte-color") == 0)
{
(void) QueryColorDatabase(options,&image->matte_color,
exception);
break;
}
if (LocaleCompare(keyword,"maximum-error") == 0)
{
image->error.normalized_maximum_error=StringToDouble(options);
break;
}
if (LocaleCompare(keyword,"mean-error") == 0)
{
image->error.normalized_mean_error=StringToDouble(options);
break;
}
if (LocaleCompare(keyword,"montage") == 0)
{
(void) CloneString(&image->montage,options);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'o':
case 'O':
{
if (LocaleCompare(keyword,"opaque") == 0)
{
long
matte;
matte=ParseMagickOption(MagickBooleanOptions,MagickFalse,
options);
if (matte < 0)
break;
image->matte=(MagickBooleanType) matte;
break;
}
if (LocaleCompare(keyword,"orientation") == 0)
{
long
orientation;
orientation=ParseMagickOption(MagickOrientationOptions,
MagickFalse,options);
if (orientation < 0)
break;
image->orientation=(OrientationType) orientation;
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'p':
case 'P':
{
if (LocaleCompare(keyword,"page") == 0)
{
char
*geometry;
geometry=GetPageGeometry(options);
(void) ParseAbsoluteGeometry(geometry,&image->page);
geometry=DestroyString(geometry);
break;
}
if ((LocaleNCompare(keyword,"profile:",8) == 0) ||
(LocaleNCompare(keyword,"profile-",8) == 0))
{
if (profiles == (LinkedListInfo *) NULL)
profiles=NewLinkedList(0);
(void) AppendValueToLinkedList(profiles,
AcquireString(keyword+8));
profile=AcquireStringInfo((size_t) StringToLong(options));
(void) SetImageProfile(image,keyword+8,profile);
profile=DestroyStringInfo(profile);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'q':
case 'Q':
{
if (LocaleCompare(keyword,"quality") == 0)
{
image->quality=StringToUnsignedLong(options);
break;
}
if (LocaleCompare(keyword,"quantum-depth") == 0)
{
quantum_depth=StringToUnsignedLong(options);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'r':
case 'R':
{
if (LocaleCompare(keyword,"red-primary") == 0)
{
flags=ParseGeometry(options,&geometry_info);
image->chromaticity.red_primary.x=geometry_info.rho;
if ((flags & SigmaValue) != 0)
image->chromaticity.red_primary.y=geometry_info.sigma;
break;
}
if (LocaleCompare(keyword,"rendering-intent") == 0)
{
long
rendering_intent;
rendering_intent=ParseMagickOption(MagickIntentOptions,
MagickFalse,options);
if (rendering_intent < 0)
break;
image->rendering_intent=(RenderingIntent) rendering_intent;
break;
}
if (LocaleCompare(keyword,"resolution") == 0)
{
flags=ParseGeometry(options,&geometry_info);
image->x_resolution=geometry_info.rho;
image->y_resolution=geometry_info.sigma;
if ((flags & SigmaValue) == 0)
image->y_resolution=image->x_resolution;
break;
}
if (LocaleCompare(keyword,"rows") == 0)
{
image->rows=StringToUnsignedLong(options);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 's':
case 'S':
{
if (LocaleCompare(keyword,"scene") == 0)
{
image->scene=StringToUnsignedLong(options);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 't':
case 'T':
{
if (LocaleCompare(keyword,"ticks-per-second") == 0)
{
image->ticks_per_second=(long) StringToLong(options);
break;
}
if (LocaleCompare(keyword,"tile-offset") == 0)
{
char
*geometry;
geometry=GetPageGeometry(options);
(void) ParseAbsoluteGeometry(geometry,&image->tile_offset);
geometry=DestroyString(geometry);
}
if (LocaleCompare(keyword,"type") == 0)
{
long
type;
type=ParseMagickOption(MagickTypeOptions,MagickFalse,
options);
if (type < 0)
break;
image->type=(ImageType) type;
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'u':
case 'U':
{
if (LocaleCompare(keyword,"units") == 0)
{
long
units;
units=ParseMagickOption(MagickResolutionOptions,MagickFalse,
options);
if (units < 0)
break;
image->units=(ResolutionType) units;
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'w':
case 'W':
{
if (LocaleCompare(keyword,"white-point") == 0)
{
flags=ParseGeometry(options,&geometry_info);
image->chromaticity.white_point.x=geometry_info.rho;
image->chromaticity.white_point.y=geometry_info.sigma;
if ((flags & SigmaValue) == 0)
image->chromaticity.white_point.y=
image->chromaticity.white_point.x;
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
default:
{
(void) SetImageProperty(image,keyword,options);
break;
}
}
}
else
c=ReadBlobByte(image);
while (isspace((int) ((unsigned char) c)) != 0)
c=ReadBlobByte(image);
}
options=DestroyString(options);
(void) ReadBlobByte(image);
/*
Verify that required image information is defined.
*/
if ((LocaleCompare(id,"MagickCache") != 0) ||
(image->storage_class == UndefinedClass) ||
(image->compression == UndefinedCompression) || (image->columns == 0) ||
(image->rows == 0))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
if (quantum_depth != MAGICKCORE_QUANTUM_DEPTH)
ThrowReaderException(CacheError,"InconsistentPersistentCacheDepth");
if (image->montage != (char *) NULL)
{
register char
*p;
/*
Image directory.
*/
length=MaxTextExtent;
image->directory=AcquireString((char *) NULL);
p=image->directory;
do
{
*p='\0';
if ((strlen(image->directory)+MaxTextExtent) >= length)
{
/*
Allocate more memory for the image directory.
*/
length<<=1;
image->directory=(char *) ResizeQuantumMemory(image->directory,
length+MaxTextExtent,sizeof(*image->directory));
if (image->directory == (char *) NULL)
ThrowReaderException(CorruptImageError,"UnableToReadImageData");
p=image->directory+strlen(image->directory);
}
c=ReadBlobByte(image);
*p++=(char) c;
} while (c != (int) '\0');
}
if (profiles != (LinkedListInfo *) NULL)
{
const char
*name;
const StringInfo
*profile;
register unsigned char
*p;
/*
Read image profiles.
*/
ResetLinkedListIterator(profiles);
name=(const char *) GetNextValueInLinkedList(profiles);
while (name != (const char *) NULL)
{
profile=GetImageProfile(image,name);
if (profile != (StringInfo *) NULL)
{
p=GetStringInfoDatum(profile);
count=ReadBlob(image,GetStringInfoLength(profile),p);
}
name=(const char *) GetNextValueInLinkedList(profiles);
}
profiles=DestroyLinkedList(profiles,RelinquishMagickMemory);
}
depth=GetImageQuantumDepth(image,MagickFalse);
if (image->storage_class == PseudoClass)
{
/*
Create image colormap.
*/
if (AcquireImageColormap(image,image->colors) == MagickFalse)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
if (image->colors != 0)
{
size_t
packet_size;
unsigned char
*colormap;
/*
Read image colormap from file.
*/
packet_size=(size_t) (3UL*depth/8UL);
colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
packet_size*sizeof(*colormap));
if (colormap == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
count=ReadBlob(image,packet_size*image->colors,colormap);
if (count != (ssize_t) (packet_size*image->colors))
ThrowReaderException(CorruptImageError,
"InsufficientImageDataInFile");
p=colormap;
switch (depth)
{
default:
ThrowReaderException(CorruptImageError,
"ImageDepthNotSupported");
case 8:
{
unsigned char
pixel;
for (i=0; i < (long) image->colors; i++)
{
p=PushCharPixel(p,&pixel);
image->colormap[i].red=ScaleCharToQuantum(pixel);
p=PushCharPixel(p,&pixel);
image->colormap[i].green=ScaleCharToQuantum(pixel);
p=PushCharPixel(p,&pixel);
image->colormap[i].blue=ScaleCharToQuantum(pixel);
}
break;
}
case 16:
{
unsigned short
pixel;
for (i=0; i < (long) image->colors; i++)
{
p=PushShortPixel(MSBEndian,p,&pixel);
image->colormap[i].red=ScaleShortToQuantum(pixel);
p=PushShortPixel(MSBEndian,p,&pixel);
image->colormap[i].green=ScaleShortToQuantum(pixel);
p=PushShortPixel(MSBEndian,p,&pixel);
image->colormap[i].blue=ScaleShortToQuantum(pixel);
}
break;
}
case 32:
{
unsigned long
pixel;
for (i=0; i < (long) image->colors; i++)
{
p=PushLongPixel(MSBEndian,p,&pixel);
image->colormap[i].red=ScaleLongToQuantum(pixel);
p=PushLongPixel(MSBEndian,p,&pixel);
image->colormap[i].green=ScaleLongToQuantum(pixel);
p=PushLongPixel(MSBEndian,p,&pixel);
image->colormap[i].blue=ScaleLongToQuantum(pixel);
}
break;
}
}
colormap=(unsigned char *) RelinquishMagickMemory(colormap);
}
}
if (EOFBlob(image) != MagickFalse)
{
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
image->filename);
break;
}
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
/*
Attach persistent pixel cache.
*/
status=PersistPixelCache(image,cache_filename,MagickTrue,&offset,exception);
if (status == MagickFalse)
ThrowReaderException(CacheError,"UnableToPersistPixelCache");
/*
Proceed to next image.
*/
do
{
c=ReadBlobByte(image);
} while ((isgraph(c) == MagickFalse) && (c != EOF));
if (c != EOF)
{
/*
Allocate next image structure.
*/
AcquireNextImage(image_info,image);
if (GetNextImageInList(image) == (Image *) NULL)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
image=SyncNextImageInList(image);
status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
GetBlobSize(image));
if (status == MagickFalse)
break;
}
} while (c != EOF);
(void) CloseBlob(image);
return(GetFirstImageInList(image));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d R G B I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ReadRGBImage() reads an image of raw RGB or RGBA 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 ReadRGBImage method is:
%
% Image *ReadRGBImage(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.
%
*/
static Image *ReadRGBImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
Image
*canvas_image,
*image;
long
y;
MagickBooleanType
status;
MagickOffsetType
scene;
QuantumInfo
*quantum_info;
QuantumType
quantum_type;
register long
i,
j;
Quantum
qx[3];
ssize_t
count;
size_t
length;
unsigned char
*pixels;
QuantumType
quantum_types[4];
char
sfx[] = {0, 0};
int
channels = 3;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
image=AcquireImage(image_info);
if ((image->columns == 0) || (image->rows == 0))
ThrowReaderException(OptionError,"MustSpecifyImageSize");
if (image_info->interlace != PartitionInterlace)
{
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
for (i=0; i < image->offset; i++)
if (ReadBlobByte(image) == EOF)
{
ThrowFileException(exception,CorruptImageError,
"UnexpectedEndOfFile",image->filename);
break;
}
}
/*
Create virtual canvas to support cropping (i.e. image.rgb[100x100+10+20]).
*/
canvas_image=CloneImage(image,image->extract_info.width,1,MagickFalse,
exception);
(void) SetImageVirtualPixelMethod(canvas_image,BlackVirtualPixelMethod);
quantum_info=AcquireQuantumInfo(image_info,canvas_image);
if (quantum_info == (QuantumInfo *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
pixels=GetQuantumPixels(quantum_info);
quantum_type=RGBQuantum;
if (LocaleCompare(image_info->magick,"RGBA") == 0)
{
quantum_type=RGBAQuantum;
image->matte=MagickTrue;
channels=4;
}
if (LocaleCompare(image_info->magick,"RGBO") == 0)
{
quantum_type=RGBOQuantum;
image->matte=MagickTrue;
channels=4;
}
if (image_info->number_scenes != 0)
while (image->scene < image_info->scene)
{
/*
Skip to next image.
*/
image->scene++;
length=GetQuantumExtent(canvas_image,quantum_info,quantum_type);
for (y=0; y < (long) image->rows; y++)
{
count=ReadBlob(image,length,pixels);
if (count != (ssize_t) length)
break;
}
}
for (i=0; i < channels; i++)
{
switch(image_info->magick[i])
{
case 'R': quantum_types[i]=RedQuantum; break;
case 'G': quantum_types[i]=GreenQuantum; break;
case 'B': quantum_types[i]=BlueQuantum; break;
case 'A': quantum_types[i]=AlphaQuantum; break;
case 'O': quantum_types[i]=OpacityQuantum; break;
}
}
count=0;
length=0;
scene=0;
do
{
/*
Read pixels to virtual canvas image then push to image.
*/
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
switch (image_info->interlace)
{
case NoInterlace:
default:
{
/*
No interlacing: RGBRGBRGBRGBRGBRGB...
*/
if (scene == 0)
{
length=GetQuantumExtent(canvas_image,quantum_info,quantum_type);
count=ReadBlob(image,length,pixels);
if (count != (ssize_t) length)
break;
}
for (y=0; y < (long) image->extract_info.height; y++)
{
register const PixelPacket
*__restrict p;
register long
x;
register PixelPacket
*__restrict q;
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 == (PixelPacket *) 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) < (long) 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 PixelPacket *) NULL) ||
(q == (PixelPacket *) NULL))
break;
for (x=0; x < (long) image->columns; x++)
{
qx[0]=p->red;
qx[1]=p->green;
qx[2]=p->blue;
for (i=0; i < 3; i++)
switch(quantum_types[i])
{
case RedQuantum: q->red=qx[i]; break;
case GreenQuantum: q->green=qx[i]; break;
case BlueQuantum: q->blue=qx[i]; break;
default: break;
}
q->opacity=OpaqueOpacity;
if (image->matte != MagickFalse)
q->opacity=p->opacity;
p++;
q++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,y,image->rows);
if (status == MagickFalse)
break;
}
count=ReadBlob(image,length,pixels);
}
break;
}
case LineInterlace:
{
/*
Line interlacing: RRR...GGG...BBB...RRR...GGG...BBB...
*/
if (scene == 0)
{
length=GetQuantumExtent(canvas_image,quantum_info,quantum_types[0]);
count=ReadBlob(image,length,pixels);
}
for (y=0; y < (long) image->extract_info.height; y++)
{
register const PixelPacket
*__restrict p;
register long
x;
register PixelPacket
*__restrict q;
if (count != (ssize_t) length)
{
ThrowFileException(exception,CorruptImageError,
"UnexpectedEndOfFile",image->filename);
break;
}
for (i=0; i < channels; i++)
{
q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
exception);
if (q == (PixelPacket *) NULL)
break;
length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
quantum_info,quantum_types[i],pixels,exception);
if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse)
break;
if (((y-image->extract_info.y) >= 0) &&
((y-image->extract_info.y) < (long) 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 PixelPacket *) NULL) ||
(q == (PixelPacket *) NULL))
break;
if (i == (channels - 1))
for (x=0; x < (long) image->columns; x++)
{
q->red=p->red;
q->green=p->green;
q->blue=p->blue;
q->opacity=p->opacity;
p++;
q++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
count=ReadBlob(image,length,pixels);
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,y,image->rows);
if (status == MagickFalse)
break;
}
}
break;
}
case PlaneInterlace:
{
/*
Plane interlacing: RRRRRR...GGGGGG...BBBBBB...
*/
if (scene == 0)
{
length=GetQuantumExtent(canvas_image,quantum_info,quantum_types[0]);
count=ReadBlob(image,length,pixels);
}
for (i=0; i < channels; i++)
{
for (y=0; y < (long) image->extract_info.height; y++)
{
register const PixelPacket
*__restrict p;
register long
x;
register PixelPacket
*__restrict q;
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 == (PixelPacket *) NULL)
break;
length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
quantum_info,quantum_types[i],pixels,exception);
if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse)
break;
if (((y-image->extract_info.y) >= 0) &&
((y-image->extract_info.y) < (long) 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 PixelPacket *) NULL) ||
(q == (PixelPacket *) NULL))
break;
for (x=0; x < (long) image->columns; x++)
{
switch(quantum_types[i])
{
case RedQuantum: q->red=p->red; break;
case GreenQuantum: q->green=p->green; break;
case BlueQuantum: q->blue=p->blue; break;
case OpacityQuantum:
case AlphaQuantum: q->opacity=p->opacity; break;
default: break;
}
p++;
q++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
count=ReadBlob(image,length,pixels);
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(i+1),5);
if (status == MagickFalse)
break;
}
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,5,5);
if (status == MagickFalse)
break;
}
break;
}
case PartitionInterlace:
{
/*
Partition interlacing: RRRRRR..., GGGGGG..., BBBBBB...
*/
for (i=0; i < channels; i++)
{
sfx[0]=image_info->magick[i];
AppendImageFormat(sfx,image->filename);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
canvas_image=DestroyImageList(canvas_image);
image=DestroyImageList(image);
return((Image *) NULL);
}
if (i == 0)
for (j=0; j < image->offset; j++)
if (ReadBlobByte(image) == EOF)
{
ThrowFileException(exception,CorruptImageError,
"UnexpectedEndOfFile",image->filename);
break;
}
length=GetQuantumExtent(canvas_image,quantum_info,quantum_types[i]);
for (j=0; j < (long) scene; j++)
for (y=0; y < (long) image->extract_info.height; y++)
if (ReadBlob(image,length,pixels) != (ssize_t) length)
{
ThrowFileException(exception,CorruptImageError,
"UnexpectedEndOfFile",image->filename);
break;
}
count=ReadBlob(image,length,pixels);
for (y=0; y < (long) image->extract_info.height; y++)
{
register const PixelPacket
*__restrict p;
register long
x;
register PixelPacket
*__restrict q;
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 == (PixelPacket *) NULL)
break;
length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
quantum_info,quantum_types[i],pixels,exception);
if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse)
break;
if (((y-image->extract_info.y) >= 0) &&
((y-image->extract_info.y) < (long) 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 PixelPacket *) NULL) ||
(q == (PixelPacket *) NULL))
break;
for (x=0; x < (long) image->columns; x++)
{
switch(quantum_types[i])
{
case RedQuantum: q->red=p->red; break;
case GreenQuantum: q->green=p->green; break;
case BlueQuantum: q->blue=p->blue; break;
case OpacityQuantum:
case AlphaQuantum: q->opacity=p->opacity; break;
default: break;
}
p++;
q++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
count=ReadBlob(image,length,pixels);
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(i+1),5);
if (status == MagickFalse)
break;
}
if (i != (channels-1))
(void) CloseBlob(image);
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,5,5);
if (status == MagickFalse)
break;
}
break;
}
}
SetQuantumImageType(image,quantum_type);
/*
Proceed to next image.
*/
if (image_info->number_scenes != 0)
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
if (count == (ssize_t) length)
{
/*
Allocate next image structure.
*/
AcquireNextImage(image_info,image);
if (GetNextImageInList(image) == (Image *) NULL)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
image=SyncNextImageInList(image);
status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
GetBlobSize(image));
if (status == MagickFalse)
break;
}
scene++;
} while (count == (ssize_t) length);
quantum_info=DestroyQuantumInfo(quantum_info);
InheritException(&image->exception,&canvas_image->exception);
canvas_image=DestroyImage(canvas_image);
(void) CloseBlob(image);
return(GetFirstImageInList(image));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d Y U V I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ReadYUVImage() reads an image with digital YUV (CCIR 601 4:1:1, plane
% or partition interlaced, or 4:2:2 plane, partition interlaced or
% noninterlaced) bytes 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 ReadYUVImage method is:
%
% Image *ReadYUVImage(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.
%
*/
static Image *ReadYUVImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
Image
*chroma_image,
*image,
*resize_image;
InterlaceType
interlace;
MagickBooleanType
status;
register const PixelPacket
*chroma_pixels;
register ssize_t
x;
register PixelPacket
*q;
register unsigned char
*p;
ssize_t
count,
horizontal_factor,
vertical_factor,
y;
size_t
quantum;
unsigned char
*scanline;
/*
Allocate image structure.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
image=AcquireImage(image_info);
if ((image->columns == 0) || (image->rows == 0))
ThrowReaderException(OptionError,"MustSpecifyImageSize");
status=SetImageExtent(image,image->columns,image->rows);
if (status == MagickFalse)
{
InheritException(exception,&image->exception);
return(DestroyImageList(image));
}
quantum=(size_t) (image->depth <= 8 ? 1 : 2);
interlace=image_info->interlace;
horizontal_factor=2;
vertical_factor=2;
if (image_info->sampling_factor != (char *) NULL)
{
GeometryInfo
geometry_info;
MagickStatusType
flags;
flags=ParseGeometry(image_info->sampling_factor,&geometry_info);
horizontal_factor=(ssize_t) geometry_info.rho;
vertical_factor=(ssize_t) geometry_info.sigma;
if ((flags & SigmaValue) == 0)
vertical_factor=horizontal_factor;
if ((horizontal_factor != 1) && (horizontal_factor != 2) &&
(vertical_factor != 1) && (vertical_factor != 2))
ThrowReaderException(CorruptImageError,"UnexpectedSamplingFactor");
}
if ((interlace == UndefinedInterlace) ||
((interlace == NoInterlace) && (vertical_factor == 2)))
{
interlace=NoInterlace; /* CCIR 4:2:2 */
if (vertical_factor == 2)
interlace=PlaneInterlace; /* CCIR 4:1:1 */
}
if (interlace != PartitionInterlace)
{
/*
Open image file.
*/
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);
}
/*
Allocate memory for a scanline.
*/
if (interlace == NoInterlace)
scanline=(unsigned char *) AcquireQuantumMemory((size_t) 2UL*
image->columns+2UL,quantum*sizeof(*scanline));
else
scanline=(unsigned char *) AcquireQuantumMemory(image->columns,
quantum*sizeof(*scanline));
if (scanline == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
do
{
chroma_image=CloneImage(image,(image->columns + horizontal_factor - 1) /
horizontal_factor, (image->rows + vertical_factor - 1) / vertical_factor,
MagickTrue,exception);
if (chroma_image == (Image *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
/*
Convert raster image to pixel packets.
*/
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
status=SetImageExtent(image,image->columns,image->rows);
if (status == MagickFalse)
{
InheritException(exception,&image->exception);
return(DestroyImageList(image));
}
if (interlace == PartitionInterlace)
{
AppendImageFormat("Y",image->filename);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
}
for (y=0; y < (ssize_t) image->rows; y++)
{
register PixelPacket
*chroma_pixels;
if (interlace == NoInterlace)
{
if ((y > 0) || (GetPreviousImageInList(image) == (Image *) NULL))
(void) ReadBlob(image,(size_t) (2*quantum*image->columns),scanline);
p=scanline;
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (PixelPacket *) NULL)
break;
chroma_pixels=QueueAuthenticPixels(chroma_image,0,y,
chroma_image->columns,1,exception);
if (chroma_pixels == (PixelPacket *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x+=2)
{
SetPixelRed(chroma_pixels,0);
if (quantum == 1)
SetPixelGreen(chroma_pixels,ScaleCharToQuantum(*p++));
else
{
SetPixelGreen(chroma_pixels,ScaleShortToQuantum(((*p) << 8) |
*(p+1)));
p+=2;
}
if (quantum == 1)
SetPixelRed(q,ScaleCharToQuantum(*p++));
else
{
SetPixelRed(q,ScaleShortToQuantum(((*p) << 8) | *(p+1)));
p+=2;
}
SetPixelGreen(q,0);
SetPixelBlue(q,0);
q++;
SetPixelGreen(q,0);
SetPixelBlue(q,0);
if (quantum == 1)
SetPixelBlue(chroma_pixels,ScaleCharToQuantum(*p++));
else
{
SetPixelBlue(chroma_pixels,ScaleShortToQuantum(((*p) << 8) |
*(p+1)));
p+=2;
}
if (quantum == 1)
SetPixelRed(q,ScaleCharToQuantum(*p++));
else
{
SetPixelRed(q,ScaleShortToQuantum(((*p) << 8) | *(p+1)));
p+=2;
}
chroma_pixels++;
q++;
}
}
else
{
if ((y > 0) || (GetPreviousImageInList(image) == (Image *) NULL))
(void) ReadBlob(image,(size_t) quantum*image->columns,scanline);
p=scanline;
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (PixelPacket *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
if (quantum == 1)
SetPixelRed(q,ScaleCharToQuantum(*p++));
else
{
SetPixelRed(q,ScaleShortToQuantum(((*p) << 8) | *(p+1)));
p+=2;
}
SetPixelGreen(q,0);
SetPixelBlue(q,0);
q++;
}
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (interlace == NoInterlace)
if (SyncAuthenticPixels(chroma_image,exception) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
if (interlace == PartitionInterlace)
{
(void) CloseBlob(image);
AppendImageFormat("U",image->filename);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
}
if (interlace != NoInterlace)
{
for (y=0; y < (ssize_t) chroma_image->rows; y++)
{
(void) ReadBlob(image,(size_t) quantum*chroma_image->columns,scanline);
p=scanline;
q=QueueAuthenticPixels(chroma_image,0,y,chroma_image->columns,1,
exception);
if (q == (PixelPacket *) NULL)
break;
for (x=0; x < (ssize_t) chroma_image->columns; x++)
{
SetPixelRed(q,0);
if (quantum == 1)
SetPixelGreen(q,ScaleCharToQuantum(*p++));
else
{
SetPixelGreen(q,ScaleShortToQuantum(((*p) << 8) | *(p+1)));
p+=2;
}
SetPixelBlue(q,0);
q++;
}
if (SyncAuthenticPixels(chroma_image,exception) == MagickFalse)
break;
}
if (interlace == PartitionInterlace)
{
(void) CloseBlob(image);
AppendImageFormat("V",image->filename);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
}
for (y=0; y < (ssize_t) chroma_image->rows; y++)
{
(void) ReadBlob(image,(size_t) quantum*chroma_image->columns,scanline);
p=scanline;
q=GetAuthenticPixels(chroma_image,0,y,chroma_image->columns,1,
exception);
if (q == (PixelPacket *) NULL)
break;
for (x=0; x < (ssize_t) chroma_image->columns; x++)
{
if (quantum == 1)
SetPixelBlue(q,ScaleCharToQuantum(*p++));
else
{
SetPixelBlue(q,ScaleShortToQuantum(((*p) << 8) | *(p+1)));
p+=2;
}
q++;
}
if (SyncAuthenticPixels(chroma_image,exception) == MagickFalse)
break;
}
}
/*
Scale image.
*/
resize_image=ResizeImage(chroma_image,image->columns,image->rows,
TriangleFilter,1.0,exception);
chroma_image=DestroyImage(chroma_image);
if (resize_image == (Image *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
for (y=0; y < (ssize_t) image->rows; y++)
{
q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
chroma_pixels=GetVirtualPixels(resize_image,0,y,resize_image->columns,1,
&resize_image->exception);
if ((q == (PixelPacket *) NULL) ||
(chroma_pixels == (const PixelPacket *) NULL))
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelGreen(q,GetPixelGreen(chroma_pixels));
SetPixelBlue(q,GetPixelBlue(chroma_pixels));
chroma_pixels++;
q++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
resize_image=DestroyImage(resize_image);
SetImageColorspace(image,YCbCrColorspace);
if (interlace == PartitionInterlace)
(void) CopyMagickString(image->filename,image_info->filename,
MaxTextExtent);
if (EOFBlob(image) != MagickFalse)
{
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
image->filename);
break;
}
/*
Proceed to next image.
*/
if (image_info->number_scenes != 0)
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
if (interlace == NoInterlace)
count=ReadBlob(image,(size_t) (2*quantum*image->columns),scanline);
else
count=ReadBlob(image,(size_t) quantum*image->columns,scanline);
if (count != 0)
{
/*
Allocate next image structure.
*/
AcquireNextImage(image_info,image);
if (GetNextImageInList(image) == (Image *) NULL)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
image=SyncNextImageInList(image);
status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
GetBlobSize(image));
if (status == MagickFalse)
break;
}
} while (count != 0);
scanline=(unsigned char *) RelinquishMagickMemory(scanline);
(void) CloseBlob(image);
return(GetFirstImageInList(image));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e H T M L I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method WriteHTMLImage writes an image in the HTML encoded image format.
%
% The format of the WriteHTMLImage method is:
%
% unsigned int WriteHTMLImage(const ImageInfo *image_info,Image *image)
%
% A description of each parameter follows.
%
% o status: Method WriteHTMLImage 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 an ImageInfo structure.
%
% o image: A pointer to a Image structure.
%
%
*/
Export unsigned int WriteHTMLImage(const ImageInfo *image_info,Image *image)
{
char
buffer[MaxTextExtent],
filename[MaxTextExtent],
mapname[MaxTextExtent],
url[MaxTextExtent];
Image
*next;
ImageInfo
*local_info;
int
x,
y;
register char
*p;
register PixelPacket
*q;
unsigned int
height,
status,
width;
/*
Open image.
*/
status=OpenBlob(image_info,image,WriteBinaryType);
if (status == False)
WriterExit(FileOpenWarning,"Unable to open file",image);
CloseBlob(image);
TransformRGBImage(image,RGBColorspace);
*url='\0';
if ((Latin1Compare(image_info->magick,"FTP") == 0) ||
(Latin1Compare(image_info->magick,"HTTP") == 0))
{
/*
Extract URL base from filename.
*/
p=strrchr(image->filename,'/');
if (p)
{
p++;
(void) strcpy(url,image_info->magick);
(void) strcat(url,":");
url[Extent(url)+p-image->filename]='\0';
(void) strncat(url,image->filename,p-image->filename);
(void) strcpy(image->filename,p);
}
}
/*
Refer to image map file.
*/
(void) strcpy(filename,image->filename);
AppendImageFormat("map",filename);
(void) strcpy(mapname,BaseFilename(filename));
(void) strcpy(image->filename,image_info->filename);
(void) strcpy(filename,image->filename);
local_info=CloneImageInfo(image_info);
if (local_info == (ImageInfo *) NULL)
WriterExit(FileOpenWarning,"Unable to allocate memory",image);
local_info->adjoin=True;
status=True;
if (Latin1Compare(image_info->magick,"SHTML") != 0)
{
/*
Open output image file.
*/
status=OpenBlob(image_info,image,WriteBinaryType);
if (status == False)
WriterExit(FileOpenWarning,"Unable to open file",image);
/*
Write the HTML image file.
*/
(void) strcpy(buffer,"<html version=\"2.0\">\n");
(void) WriteBlob(image,strlen(buffer),buffer);
(void) strcpy(buffer,"<head>\n");
(void) WriteBlob(image,strlen(buffer),buffer);
(void) sprintf(buffer,"<title>%.1024s</title>\n",
image->label ? image->label : BaseFilename(image->filename));
(void) WriteBlob(image,strlen(buffer),buffer);
(void) strcpy(buffer,"</head>\n");
(void) WriteBlob(image,strlen(buffer),buffer);
(void) strcpy(buffer,"<body>\n");
(void) WriteBlob(image,strlen(buffer),buffer);
(void) strcpy(buffer,"<center>\n");
(void) WriteBlob(image,strlen(buffer),buffer);
(void) sprintf(buffer,"<h1>%.1024s</h1>\n",image->filename);
(void) WriteBlob(image,strlen(buffer),buffer);
(void) strcpy(buffer,"<br><br>\n");
(void) WriteBlob(image,strlen(buffer),buffer);
(void) strcpy(filename,image->filename);
AppendImageFormat("gif",filename);
(void) sprintf(buffer,
"<img ismap usemap=#%.1024s src=\"%.1024s\" border=0>\n",
mapname,filename);
(void) WriteBlob(image,strlen(buffer),buffer);
/*
Determine the size and location of each image tile.
*/
width=image->columns;
height=image->rows;
x=0;
y=0;
if (image->montage != (char *) NULL)
(void) ParseGeometry(image->montage,&x,&y,&width,&height);
/*
Write an image map.
*/
(void) sprintf(buffer,"<map name=%.1024s>\n",mapname);
(void) WriteBlob(image,strlen(buffer),buffer);
(void) sprintf(buffer," <area href=""%.1024s""",url);
(void) WriteBlob(image,strlen(buffer),buffer);
if (image->directory == (char *) NULL)
{
(void) sprintf(buffer,"%.1024s shape=rect coords=0,0,%u,%u>\n",
image->filename,width-1,height-1);
(void) WriteBlob(image,strlen(buffer),buffer);
}
else
for (p=image->directory; *p != '\0'; p++)
if (*p != '\n')
(void) WriteByte(image,*p);
else
{
(void) sprintf(buffer," shape=rect coords=%d,%d,%d,%d>\n",
x,y,x+(int) width-1,y+(int) height-1);
(void) WriteBlob(image,strlen(buffer),buffer);
if (*(p+1) != '\0')
{
(void) sprintf(buffer," <area href=""%.1024s""",url);
(void) WriteBlob(image,strlen(buffer),buffer);
}
x+=width;
if (x >= (int) image->columns)
{
x=0;
y+=height;
}
}
(void) strcpy(buffer,"</map>\n");
(void) WriteBlob(image,strlen(buffer),buffer);
if (image->montage != (char *) NULL)
{
char
color[MaxTextExtent] = "#000";
/*
Make montage background transparent.
*/
q=GetPixelCache(image,0,0,1,1);
if (q != (PixelPacket *) NULL)
FormatString(color,HexColorFormat,q->red,q->green,q->blue);
TransparentImage(image,color);
}
(void) strcpy(filename,image->filename);
(void) strcpy(buffer,"</center>\n");
(void) WriteBlob(image,strlen(buffer),buffer);
(void) strcpy(buffer,"</body>\n");
(void) WriteBlob(image,strlen(buffer),buffer);
(void) strcpy(buffer,"</html>\n");
status=WriteBlob(image,strlen(buffer),buffer);
CloseBlob(image);
/*
Write the image as transparent GIF.
*/
(void) strcpy(image->filename,filename);
AppendImageFormat("gif",image->filename);
next=image->next;
image->next=(Image *) NULL;
status|=WriteGIFImage(local_info,image);
image->next=next;
/*
Determine image map filename.
*/
(void) strcpy(image->filename,filename);
for (p=filename+Extent(filename)-1; p > (filename+1); p--)
if (*p == '.')
{
(void) strncpy(image->filename,filename,p-filename);
image->filename[p-filename]='\0';
break;
}
(void) strcat(image->filename,"_map.shtml");
}
/*
Open image map.
*/
status=OpenBlob(local_info,image,WriteBinaryType);
if (status == False)
WriterExit(FileOpenWarning,"Unable to open file",image);
DestroyImageInfo(local_info);
/*
Determine the size and location of each image tile.
*/
width=image->columns;
height=image->rows;
x=0;
y=0;
if (image->montage != (char *) NULL)
(void) ParseGeometry(image->montage,&x,&y,&width,&height);
/*
Write an image map.
*/
(void) sprintf(buffer,"<map name=%.1024s>\n",mapname);
(void) WriteBlob(image,strlen(buffer),buffer);
(void) sprintf(buffer," <area href=""%.1024s""",url);
(void) WriteBlob(image,strlen(buffer),buffer);
if (image->directory == (char *) NULL)
{
(void) sprintf(buffer,"%.1024s shape=rect coords=0,0,%u,%u>\n",
image->filename,width-1,height-1);
(void) WriteBlob(image,strlen(buffer),buffer);
}
else
for (p=image->directory; *p != '\0'; p++)
if (*p != '\n')
(void) WriteByte(image,*p);
else
{
(void) sprintf(buffer," shape=rect coords=%d,%d,%d,%d>\n",x,y,
x+(int) width-1,y+(int) height-1);
(void) WriteBlob(image,strlen(buffer),buffer);
if (*(p+1) != '\0')
{
(void) sprintf(buffer," <area href=""%.1024s""",url);
(void) WriteBlob(image,strlen(buffer),buffer);
}
x+=width;
if (x >= (int) image->columns)
{
x=0;
y+=height;
}
}
(void) strcpy(buffer,"</map>\n");
(void) WriteBlob(image,strlen(buffer),buffer);
CloseBlob(image);
(void) strcpy(image->filename,filename);
return(status);
}