% Read/Write ZSoft IBM PC Paintbrush Image Format %
% %
% Software Design %
-% John Cristy %
+% Cristy %
% July 1992 %
% %
% %
-% Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization %
+% Copyright 1999-2014 ImageMagick Studio LLC, a non-profit organization %
% dedicated to making software imaging solutions freely available. %
% %
% You may not use this file except in compliance with the License. You may %
Forward declarations.
*/
static MagickBooleanType
- WritePCXImage(const ImageInfo *,Image *);
+ WritePCXImage(const ImageInfo *,Image *,ExceptionInfo *);
\f
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% o length: Specifies the length of the magick string.
%
-%
*/
static MagickBooleanType IsDCX(const unsigned char *magick,const size_t length)
{
%
% o length: Specifies the length of the magick string.
%
-%
*/
static MagickBooleanType IsPCX(const unsigned char *magick,const size_t length)
{
offset,
*page_table;
+ MemoryInfo
+ *pixel_info;
+
PCXInfo
pcx_info;
unsigned char
packet,
*pcx_colormap,
- *pcx_pixels,
+ *pixels,
*scanline;
/*
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
- image=AcquireImage(image_info);
+ image=AcquireImage(image_info,exception);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
image->depth=pcx_info.bits_per_pixel <= 8 ? 8U : MAGICKCORE_QUANTUM_DEPTH;
image->units=PixelsPerInchResolution;
- image->x_resolution=(double) pcx_info.horizontal_resolution;
- image->y_resolution=(double) pcx_info.vertical_resolution;
+ image->resolution.x=(double) pcx_info.horizontal_resolution;
+ image->resolution.y=(double) pcx_info.vertical_resolution;
image->colors=16;
pcx_colormap=(unsigned char *) AcquireQuantumMemory(256UL,
3*sizeof(*pcx_colormap));
((pcx_info.bits_per_pixel*pcx_info.planes) == 1))
image->colors=(size_t) MagickMin(one << (1UL*
(pcx_info.bits_per_pixel*pcx_info.planes)),256UL);
- if (AcquireImageColormap(image,image->colors) == MagickFalse)
+ if (AcquireImageColormap(image,image->colors,exception) == MagickFalse)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
if ((pcx_info.bits_per_pixel >= 8) && (pcx_info.planes != 1))
image->storage_class=DirectClass;
/*
Read image data.
*/
- pcx_packets=(size_t) image->rows*pcx_info.bytes_per_line*
- pcx_info.planes;
- pcx_pixels=(unsigned char *) AcquireQuantumMemory(pcx_packets,
- sizeof(*pcx_pixels));
+ pcx_packets=(size_t) image->rows*pcx_info.bytes_per_line*pcx_info.planes;
scanline=(unsigned char *) AcquireQuantumMemory(MagickMax(image->columns,
pcx_info.bytes_per_line),MagickMax(8,pcx_info.planes)*sizeof(*scanline));
- if ((pcx_pixels == (unsigned char *) NULL) ||
- (scanline == (unsigned char *) NULL))
- ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
+ pixel_info=AcquireVirtualMemory(pcx_packets,sizeof(*pixels));
+ if ((scanline == (unsigned char *) NULL) ||
+ (pixel_info == (MemoryInfo *) NULL))
+ {
+ if (scanline != (unsigned char *) NULL)
+ scanline=(unsigned char *) RelinquishMagickMemory(scanline);
+ if (pixel_info != (MemoryInfo *) NULL)
+ pixel_info=RelinquishVirtualMemory(pixel_info);
+ ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
+ }
+ pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
/*
Uncompress image data.
*/
- p=pcx_pixels;
+ p=pixels;
if (pcx_info.encoding == 0)
while (pcx_packets != 0)
{
packet=(unsigned char) ReadBlobByte(image);
if (EOFBlob(image) != MagickFalse)
- break;
+ ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile");
*p++=packet;
pcx_packets--;
}
{
packet=(unsigned char) ReadBlobByte(image);
if (EOFBlob(image) != MagickFalse)
- break;
+ ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile");
if ((packet & 0xc0) != 0xc0)
{
*p++=packet;
count=(ssize_t) (packet & 0x3f);
packet=(unsigned char) ReadBlobByte(image);
if (EOFBlob(image) != MagickFalse)
- break;
+ ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile");
for ( ; count != 0; count--)
{
*p++=packet;
}
}
if (image->storage_class == DirectClass)
- image->matte=pcx_info.planes > 3 ? MagickTrue : MagickFalse;
+ image->alpha_trait=pcx_info.planes > 3 ? BlendPixelTrait :
+ UndefinedPixelTrait;
else
if ((pcx_info.version == 5) ||
((pcx_info.bits_per_pixel*pcx_info.planes) == 1))
image->colormap[0].red=(Quantum) 0;
image->colormap[0].green=(Quantum) 0;
image->colormap[0].blue=(Quantum) 0;
- image->colormap[1].red=(Quantum) QuantumRange;
- image->colormap[1].green=(Quantum) QuantumRange;
- image->colormap[1].blue=(Quantum) QuantumRange;
+ image->colormap[1].red=QuantumRange;
+ image->colormap[1].green=QuantumRange;
+ image->colormap[1].blue=QuantumRange;
}
else
if (image->colors > 16)
*/
for (y=0; y < (ssize_t) image->rows; y++)
{
- p=pcx_pixels+(y*pcx_info.bytes_per_line*pcx_info.planes);
+ p=pixels+(y*pcx_info.bytes_per_line*pcx_info.planes);
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
- if (q == (const Quantum *) NULL)
+ if (q == (Quantum *) NULL)
break;
r=scanline;
if (image->storage_class == DirectClass)
SetPixelRed(image,ScaleCharToQuantum(*r++),q);
SetPixelGreen(image,ScaleCharToQuantum(*r++),q);
SetPixelBlue(image,ScaleCharToQuantum(*r++),q);
- if (image->matte != MagickFalse)
+ if (image->alpha_trait == BlendPixelTrait)
SetPixelAlpha(image,ScaleCharToQuantum(*r++),q);
}
- q+=GetPixelComponents(image);
+ q+=GetPixelChannels(image);
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
}
if (image->storage_class == PseudoClass)
- (void) SyncImage(image);
- scanline=(unsigned char *) RelinquishMagickMemory(scanline);
+ (void) SyncImage(image,exception);
if (pcx_colormap != (unsigned char *) NULL)
pcx_colormap=(unsigned char *) RelinquishMagickMemory(pcx_colormap);
- pcx_pixels=(unsigned char *) RelinquishMagickMemory(pcx_pixels);
+ scanline=(unsigned char *) RelinquishMagickMemory(scanline);
+ pixel_info=RelinquishVirtualMemory(pixel_info);
if (EOFBlob(image) != MagickFalse)
{
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
/*
Allocate next image structure.
*/
- AcquireNextImage(image_info,image);
+ AcquireNextImage(image_info,image,exception);
if (GetNextImageInList(image) == (Image *) NULL)
{
image=DestroyImageList(image);
%
% The format of the WritePCXImage method is:
%
-% MagickBooleanType WritePCXImage(const ImageInfo *image_info,Image *image)
+% MagickBooleanType WritePCXImage(const ImageInfo *image_info,
+% Image *image,ExceptionInfo *exception)
%
% A description of each parameter follows.
%
%
% o image: The image.
%
+% o exception: return any errors or warnings in this structure.
%
*/
+
static MagickBooleanType PCXWritePixels(PCXInfo *pcx_info,
const unsigned char *pixels,Image *image)
{
return (MagickTrue);
}
-static MagickBooleanType WritePCXImage(const ImageInfo *image_info,Image *image)
+static MagickBooleanType WritePCXImage(const ImageInfo *image_info,Image *image,
+ ExceptionInfo *exception)
{
MagickBooleanType
status;
*page_table,
scene;
+ MemoryInfo
+ *pixel_info;
+
PCXInfo
pcx_info;
unsigned char
*pcx_colormap,
- *pcx_pixels;
+ *pixels;
/*
Open output image file.
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
- status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
+ assert(exception != (ExceptionInfo *) NULL);
+ assert(exception->signature == MagickSignature);
+ status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
if (status == MagickFalse)
return(status);
- if (IsRGBColorspace(image->colorspace) == MagickFalse)
- (void) TransformImageColorspace(image,RGBColorspace);
+ (void) TransformImageColorspace(image,sRGBColorspace,exception);
page_table=(MagickOffsetType *) NULL;
if ((LocaleCompare(image_info->magick,"DCX") == 0) ||
((GetNextImageInList(image) != (Image *) NULL) &&
pcx_info.encoding=image_info->compression == NoCompression ? 0 : 1;
pcx_info.bits_per_pixel=8;
if ((image->storage_class == PseudoClass) &&
- (IsImageMonochrome(image,&image->exception) != MagickFalse))
+ (IsImageMonochrome(image,exception) != MagickFalse))
pcx_info.bits_per_pixel=1;
pcx_info.left=0;
pcx_info.top=0;
case PixelsPerInchResolution:
default:
{
- pcx_info.horizontal_resolution=(unsigned short) image->x_resolution;
- pcx_info.vertical_resolution=(unsigned short) image->y_resolution;
+ pcx_info.horizontal_resolution=(unsigned short) image->resolution.x;
+ pcx_info.vertical_resolution=(unsigned short) image->resolution.y;
break;
}
case PixelsPerCentimeterResolution:
{
pcx_info.horizontal_resolution=(unsigned short)
- (2.54*image->x_resolution+0.5);
+ (2.54*image->resolution.x+0.5);
pcx_info.vertical_resolution=(unsigned short)
- (2.54*image->y_resolution+0.5);
+ (2.54*image->resolution.y+0.5);
break;
}
}
if ((image->storage_class == DirectClass) || (image->colors > 256))
{
pcx_info.planes=3;
- if (image->matte != MagickFalse)
+ if (image->alpha_trait == BlendPixelTrait)
pcx_info.planes++;
}
pcx_info.bytes_per_line=(unsigned short) (((size_t) image->columns*
for (i=0; i < 58; i++)
(void) WriteBlobByte(image,'\0');
length=(size_t) pcx_info.bytes_per_line;
- pcx_pixels=(unsigned char *) AcquireQuantumMemory(length,pcx_info.planes*
- sizeof(*pcx_pixels));
- if (pcx_pixels == (unsigned char *) NULL)
+ pixel_info=AcquireVirtualMemory(length,pcx_info.planes*sizeof(*pixels));
+ if (pixel_info == (MemoryInfo *) NULL)
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
- q=pcx_pixels;
+ pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
+ q=pixels;
if ((image->storage_class == DirectClass) || (image->colors > 256))
{
- const Quantum
- *pixels;
-
/*
Convert DirectClass image to PCX raster pixels.
*/
for (y=0; y < (ssize_t) image->rows; y++)
{
- pixels=GetVirtualPixels(image,0,y,image->columns,1,
- &image->exception);
- if (pixels == (const Quantum *) NULL)
- break;
- q=pcx_pixels;
+ q=pixels;
for (i=0; i < pcx_info.planes; i++)
{
- p=pixels;
+ p=GetVirtualPixels(image,0,y,image->columns,1,exception);
+ if (p == (const Quantum *) NULL)
+ break;
switch ((int) i)
{
case 0:
for (x=0; x < (ssize_t) pcx_info.bytes_per_line; x++)
{
*q++=ScaleQuantumToChar(GetPixelRed(image,p));
- p+=GetPixelComponents(image);
+ p+=GetPixelChannels(image);
}
break;
}
for (x=0; x < (ssize_t) pcx_info.bytes_per_line; x++)
{
*q++=ScaleQuantumToChar(GetPixelGreen(image,p));
- p+=GetPixelComponents(image);
+ p+=GetPixelChannels(image);
}
break;
}
for (x=0; x < (ssize_t) pcx_info.bytes_per_line; x++)
{
*q++=ScaleQuantumToChar(GetPixelBlue(image,p));
- p+=GetPixelComponents(image);
+ p+=GetPixelChannels(image);
}
break;
}
for (x=(ssize_t) pcx_info.bytes_per_line; x != 0; x--)
{
*q++=ScaleQuantumToChar((Quantum) (GetPixelAlpha(image,p)));
- p+=GetPixelComponents(image);
+ p+=GetPixelChannels(image);
}
break;
}
}
}
- if (PCXWritePixels(&pcx_info,pcx_pixels,image) == MagickFalse)
+ if (PCXWritePixels(&pcx_info,pixels,image) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
if (pcx_info.bits_per_pixel > 1)
for (y=0; y < (ssize_t) image->rows; y++)
{
- p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
+ p=GetVirtualPixels(image,0,y,image->columns,1,exception);
if (p == (const Quantum *) NULL)
break;
- q=pcx_pixels;
+ q=pixels;
for (x=0; x < (ssize_t) image->columns; x++)
{
*q++=(unsigned char) GetPixelIndex(image,p);
- p+=GetPixelComponents(image);
+ p+=GetPixelChannels(image);
}
- if (PCXWritePixels(&pcx_info,pcx_pixels,image) == MagickFalse)
+ if (PCXWritePixels(&pcx_info,pixels,image) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
/*
Convert PseudoClass image to a PCX monochrome image.
*/
- polarity=(Quantum) (GetPixelPacketIntensity(
- &image->colormap[0]) < ((Quantum) QuantumRange/2) ? 1 : 0);
+ polarity=(Quantum) (GetPixelInfoIntensity(
+ &image->colormap[0]) < (QuantumRange/2) ? 1 : 0);
if (image->colors == 2)
- polarity=(Quantum) (GetPixelPacketIntensity(&image->colormap[0]) <
- GetPixelPacketIntensity(&image->colormap[1]) ? 1 : 0);
+ polarity=(Quantum) (GetPixelInfoIntensity(&image->colormap[0]) <
+ GetPixelInfoIntensity(&image->colormap[1]) ? 1 : 0);
for (y=0; y < (ssize_t) image->rows; y++)
{
- p=GetVirtualPixels(image,0,y,image->columns,1,
- &image->exception);
+ p=GetVirtualPixels(image,0,y,image->columns,1,exception);
if (p == (const Quantum *) NULL)
break;
bit=0;
byte=0;
- q=pcx_pixels;
+ q=pixels;
for (x=0; x < (ssize_t) image->columns; x++)
{
byte<<=1;
bit=0;
byte=0;
}
- p+=GetPixelComponents(image);
+ p+=GetPixelChannels(image);
}
if (bit != 0)
*q++=byte << (8-bit);
- if (PCXWritePixels(&pcx_info,pcx_pixels,image) == MagickFalse)
+ if (PCXWritePixels(&pcx_info,pixels,image) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
(void) WriteBlobByte(image,pcx_info.colormap_signature);
(void) WriteBlob(image,3*256,pcx_colormap);
}
- pcx_pixels=(unsigned char *) RelinquishMagickMemory(pcx_pixels);
+ pixel_info=RelinquishVirtualMemory(pixel_info);
pcx_colormap=(unsigned char *) RelinquishMagickMemory(pcx_colormap);
if (page_table == (MagickOffsetType *) NULL)
break;
*message;
message=GetExceptionMessage(errno);
- (void) ThrowMagickException(&image->exception,GetMagickModule(),
- FileOpenError,"UnableToWriteFile","`%s': %s",image->filename,message);
+ (void) ThrowMagickException(exception,GetMagickModule(),FileOpenError,
+ "UnableToWriteFile","`%s': %s",image->filename,message);
message=DestroyString(message);
}
(void) CloseBlob(image);
projects / imagemagick / blobdiff