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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% TTTTT IIIII M M %
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% T I MM MM %
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% T I M M M %
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% T I M M %
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% T IIIII M M %
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% %
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% %
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% Read PSX TIM Image Format %
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% %
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% Software Design %
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% Cristy %
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% July 1992 %
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% %
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% %
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% Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization %
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% dedicated to making software imaging solutions freely available. %
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% %
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% You may not use this file except in compliance with the License. You may %
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% obtain a copy of the License at %
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% %
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% https://imagemagick.org/script/license.php %
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% %
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% Unless required by applicable law or agreed to in writing, software %
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% distributed under the License is distributed on an "AS IS" BASIS, %
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% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
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% See the License for the specific language governing permissions and %
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% limitations under the License. %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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%
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*/
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/*
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Include declarations.
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*/
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#include "MagickCore/studio.h"
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#include "MagickCore/blob.h"
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#include "MagickCore/blob-private.h"
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#include "MagickCore/cache.h"
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#include "MagickCore/colormap.h"
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#include "MagickCore/exception.h"
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#include "MagickCore/exception-private.h"
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#include "MagickCore/image.h"
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#include "MagickCore/image-private.h"
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#include "MagickCore/list.h"
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#include "MagickCore/magick.h"
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#include "MagickCore/memory_.h"
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#include "MagickCore/monitor.h"
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#include "MagickCore/monitor-private.h"
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#include "MagickCore/pixel-accessor.h"
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#include "MagickCore/quantum-private.h"
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#include "MagickCore/static.h"
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|
#include "MagickCore/string_.h"
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#include "MagickCore/module.h"
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% R e a d T I M I m a g e %
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% %
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% %
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% %
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|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% ReadTIMImage() reads a PSX TIM image file and returns it. It
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% allocates the memory necessary for the new Image structure and returns a
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|
% pointer to the new image.
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%
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% Contributed by os@scee.sony.co.uk.
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%
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|
% The format of the ReadTIMImage method is:
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%
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% Image *ReadTIMImage(const ImageInfo *image_info,ExceptionInfo *exception)
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%
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% A description of each parameter follows:
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%
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% o image_info: the image info.
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%
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% o exception: return any errors or warnings in this structure.
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%
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*/
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static Image *ReadTIMImage(const ImageInfo *image_info,ExceptionInfo *exception)
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{
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typedef struct _TIMInfo
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{
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size_t
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id,
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flag;
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} TIMInfo;
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TIMInfo
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tim_info;
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Image
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*image;
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int
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bits_per_pixel,
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has_clut;
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MagickBooleanType
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status;
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ssize_t
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x;
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Quantum
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*q;
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ssize_t
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i;
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unsigned char
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*p;
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size_t
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bytes_per_line,
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|
height,
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|
image_size,
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|
pixel_mode,
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|
width;
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ssize_t
|
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|
count,
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|
y;
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|
unsigned char
|
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|
*tim_pixels;
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|
unsigned short
|
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|
word;
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|
/*
|
|
|
Open image file.
|
|
|
*/
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|
assert(image_info != (const ImageInfo *) NULL);
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|
assert(image_info->signature == MagickCoreSignature);
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|
|
if (image_info->debug != MagickFalse)
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|
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
|
|
|
image_info->filename);
|
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|
assert(exception != (ExceptionInfo *) NULL);
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|
|
assert(exception->signature == MagickCoreSignature);
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|
image=AcquireImage(image_info,exception);
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|
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
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|
|
if (status == MagickFalse)
|
|
|
{
|
|
|
image=DestroyImageList(image);
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|
|
return((Image *) NULL);
|
|
|
}
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|
|
/*
|
|
|
Determine if this a TIM file.
|
|
|
*/
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|
|
tim_info.id=ReadBlobLSBLong(image);
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|
|
do
|
|
|
{
|
|
|
/*
|
|
|
Verify TIM identifier.
|
|
|
*/
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|
|
if (tim_info.id != 0x00000010)
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|
|
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
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|
|
tim_info.flag=ReadBlobLSBLong(image);
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|
|
has_clut=tim_info.flag & (1 << 3) ? 1 : 0;
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|
|
pixel_mode=tim_info.flag & 0x07;
|
|
|
switch ((int) pixel_mode)
|
|
|
{
|
|
|
case 0: bits_per_pixel=4; break;
|
|
|
case 1: bits_per_pixel=8; break;
|
|
|
case 2: bits_per_pixel=16; break;
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|
|
case 3: bits_per_pixel=24; break;
|
|
|
default: bits_per_pixel=4; break;
|
|
|
}
|
|
|
image->depth=8;
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|
if (has_clut)
|
|
|
{
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|
|
unsigned char
|
|
|
*tim_colormap;
|
|
|
|
|
|
/*
|
|
|
Read TIM raster colormap.
|
|
|
*/
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|
|
(void)ReadBlobLSBLong(image);
|
|
|
(void)ReadBlobLSBShort(image);
|
|
|
(void)ReadBlobLSBShort(image);
|
|
|
width=ReadBlobLSBShort(image);
|
|
|
height=ReadBlobLSBShort(image);
|
|
|
image->columns=width;
|
|
|
image->rows=height;
|
|
|
if (AcquireImageColormap(image,pixel_mode == 1 ? 256UL : 16UL,exception) == MagickFalse)
|
|
|
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
tim_colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
|
|
|
2UL*sizeof(*tim_colormap));
|
|
|
if (tim_colormap == (unsigned char *) NULL)
|
|
|
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
count=ReadBlob(image,2*image->colors,tim_colormap);
|
|
|
if (count != (ssize_t) (2*image->colors))
|
|
|
{
|
|
|
tim_colormap=(unsigned char *) RelinquishMagickMemory(tim_colormap);
|
|
|
ThrowReaderException(CorruptImageError,
|
|
|
"InsufficientImageDataInFile");
|
|
|
}
|
|
|
p=tim_colormap;
|
|
|
for (i=0; i < (ssize_t) image->colors; i++)
|
|
|
{
|
|
|
word=(*p++);
|
|
|
word|=(unsigned short) (*p++ << 8);
|
|
|
image->colormap[i].blue=ScaleCharToQuantum(
|
|
|
ScaleColor5to8(1UL*(word >> 10) & 0x1f));
|
|
|
image->colormap[i].green=ScaleCharToQuantum(
|
|
|
ScaleColor5to8(1UL*(word >> 5) & 0x1f));
|
|
|
image->colormap[i].red=ScaleCharToQuantum(
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|
|
ScaleColor5to8(1UL*word & 0x1f));
|
|
|
}
|
|
|
tim_colormap=(unsigned char *) RelinquishMagickMemory(tim_colormap);
|
|
|
}
|
|
|
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
|
|
|
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
|
|
|
break;
|
|
|
/*
|
|
|
Read image data.
|
|
|
*/
|
|
|
(void) ReadBlobLSBLong(image);
|
|
|
(void) ReadBlobLSBShort(image);
|
|
|
(void) ReadBlobLSBShort(image);
|
|
|
width=ReadBlobLSBShort(image);
|
|
|
height=ReadBlobLSBShort(image);
|
|
|
image_size=2*width*height;
|
|
|
if (image_size > GetBlobSize(image))
|
|
|
ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
|
|
|
bytes_per_line=width*2;
|
|
|
width=(width*16)/bits_per_pixel;
|
|
|
image->columns=width;
|
|
|
image->rows=height;
|
|
|
status=SetImageExtent(image,image->columns,image->rows,exception);
|
|
|
if (status == MagickFalse)
|
|
|
return(DestroyImageList(image));
|
|
|
status=ResetImagePixels(image,exception);
|
|
|
if (status == MagickFalse)
|
|
|
return(DestroyImageList(image));
|
|
|
tim_pixels=(unsigned char *) AcquireQuantumMemory(image_size,
|
|
|
sizeof(*tim_pixels));
|
|
|
if (tim_pixels == (unsigned char *) NULL)
|
|
|
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
count=ReadBlob(image,image_size,tim_pixels);
|
|
|
if (count != (ssize_t) (image_size))
|
|
|
{
|
|
|
tim_pixels=(unsigned char *) RelinquishMagickMemory(tim_pixels);
|
|
|
ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
|
|
|
}
|
|
|
/*
|
|
|
Convert TIM raster image to pixel packets.
|
|
|
*/
|
|
|
switch (bits_per_pixel)
|
|
|
{
|
|
|
case 4:
|
|
|
{
|
|
|
/*
|
|
|
Convert PseudoColor scanline.
|
|
|
*/
|
|
|
for (y=(ssize_t) image->rows-1; y >= 0; y--)
|
|
|
{
|
|
|
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
|
|
|
if (q == (Quantum *) NULL)
|
|
|
break;
|
|
|
p=tim_pixels+y*bytes_per_line;
|
|
|
for (x=0; x < ((ssize_t) image->columns-1); x+=2)
|
|
|
{
|
|
|
SetPixelIndex(image,(*p) & 0x0f,q);
|
|
|
q+=GetPixelChannels(image);
|
|
|
SetPixelIndex(image,(*p >> 4) & 0x0f,q);
|
|
|
p++;
|
|
|
q+=GetPixelChannels(image);
|
|
|
}
|
|
|
if ((image->columns % 2) != 0)
|
|
|
{
|
|
|
SetPixelIndex(image,(*p >> 4) & 0x0f,q);
|
|
|
p++;
|
|
|
q+=GetPixelChannels(image);
|
|
|
}
|
|
|
if (SyncAuthenticPixels(image,exception) == MagickFalse)
|
|
|
break;
|
|
|
if (image->previous == (Image *) NULL)
|
|
|
{
|
|
|
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
|
|
|
image->rows);
|
|
|
if (status == MagickFalse)
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
case 8:
|
|
|
{
|
|
|
/*
|
|
|
Convert PseudoColor scanline.
|
|
|
*/
|
|
|
for (y=(ssize_t) image->rows-1; y >= 0; y--)
|
|
|
{
|
|
|
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
|
|
|
if (q == (Quantum *) NULL)
|
|
|
break;
|
|
|
p=tim_pixels+y*bytes_per_line;
|
|
|
for (x=0; x < (ssize_t) image->columns; x++)
|
|
|
{
|
|
|
SetPixelIndex(image,*p++,q);
|
|
|
q+=GetPixelChannels(image);
|
|
|
}
|
|
|
if (SyncAuthenticPixels(image,exception) == MagickFalse)
|
|
|
break;
|
|
|
if (image->previous == (Image *) NULL)
|
|
|
{
|
|
|
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
|
|
|
image->rows);
|
|
|
if (status == MagickFalse)
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
case 16:
|
|
|
{
|
|
|
/*
|
|
|
Convert DirectColor scanline.
|
|
|
*/
|
|
|
for (y=(ssize_t) image->rows-1; y >= 0; y--)
|
|
|
{
|
|
|
p=tim_pixels+y*bytes_per_line;
|
|
|
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
|
|
|
if (q == (Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) image->columns; x++)
|
|
|
{
|
|
|
word=(*p++);
|
|
|
word|=(*p++ << 8);
|
|
|
SetPixelBlue(image,ScaleCharToQuantum(ScaleColor5to8(
|
|
|
(1UL*word >> 10) & 0x1f)),q);
|
|
|
SetPixelGreen(image,ScaleCharToQuantum(ScaleColor5to8(
|
|
|
(1UL*word >> 5) & 0x1f)),q);
|
|
|
SetPixelRed(image,ScaleCharToQuantum(ScaleColor5to8(
|
|
|
(1UL*word >> 0) & 0x1f)),q);
|
|
|
q+=GetPixelChannels(image);
|
|
|
}
|
|
|
if (SyncAuthenticPixels(image,exception) == MagickFalse)
|
|
|
break;
|
|
|
if (image->previous == (Image *) NULL)
|
|
|
{
|
|
|
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
|
|
|
image->rows);
|
|
|
if (status == MagickFalse)
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
case 24:
|
|
|
{
|
|
|
/*
|
|
|
Convert DirectColor scanline.
|
|
|
*/
|
|
|
for (y=(ssize_t) image->rows-1; y >= 0; y--)
|
|
|
{
|
|
|
p=tim_pixels+y*bytes_per_line;
|
|
|
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
|
|
|
if (q == (Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) image->columns; x++)
|
|
|
{
|
|
|
SetPixelRed(image,ScaleCharToQuantum(*p++),q);
|
|
|
SetPixelGreen(image,ScaleCharToQuantum(*p++),q);
|
|
|
SetPixelBlue(image,ScaleCharToQuantum(*p++),q);
|
|
|
q+=GetPixelChannels(image);
|
|
|
}
|
|
|
if (SyncAuthenticPixels(image,exception) == MagickFalse)
|
|
|
break;
|
|
|
if (image->previous == (Image *) NULL)
|
|
|
{
|
|
|
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
|
|
|
image->rows);
|
|
|
if (status == MagickFalse)
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
default:
|
|
|
{
|
|
|
tim_pixels=(unsigned char *) RelinquishMagickMemory(tim_pixels);
|
|
|
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
|
|
}
|
|
|
}
|
|
|
if (image->storage_class == PseudoClass)
|
|
|
(void) SyncImage(image,exception);
|
|
|
tim_pixels=(unsigned char *) RelinquishMagickMemory(tim_pixels);
|
|
|
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;
|
|
|
tim_info.id=ReadBlobLSBLong(image);
|
|
|
if (tim_info.id == 0x00000010)
|
|
|
{
|
|
|
/*
|
|
|
Allocate next image structure.
|
|
|
*/
|
|
|
AcquireNextImage(image_info,image,exception);
|
|
|
if (GetNextImageInList(image) == (Image *) NULL)
|
|
|
{
|
|
|
status=MagickFalse;
|
|
|
break;
|
|
|
}
|
|
|
image=SyncNextImageInList(image);
|
|
|
status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
|
|
|
GetBlobSize(image));
|
|
|
if (status == MagickFalse)
|
|
|
break;
|
|
|
}
|
|
|
} while (tim_info.id == 0x00000010);
|
|
|
(void) CloseBlob(image);
|
|
|
if (status == MagickFalse)
|
|
|
return(DestroyImageList(image));
|
|
|
return(GetFirstImageInList(image));
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% R e g i s t e r T I M I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
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% RegisterTIMImage() adds attributes for the TIM image format to
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% the list of supported formats. The attributes include the image format
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% tag, a method to read and/or write the format, whether the format
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% supports the saving of more than one frame to the same file or blob,
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% whether the format supports native in-memory I/O, and a brief
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% description of the format.
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%
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% The format of the RegisterTIMImage method is:
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%
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% size_t RegisterTIMImage(void)
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%
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*/
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ModuleExport size_t RegisterTIMImage(void)
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{
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MagickInfo
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*entry;
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entry=AcquireMagickInfo("TIM","TIM","PSX TIM");
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entry->decoder=(DecodeImageHandler *) ReadTIMImage;
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(void) RegisterMagickInfo(entry);
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return(MagickImageCoderSignature);
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% U n r e g i s t e r T I M I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% UnregisterTIMImage() removes format registrations made by the
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% TIM module from the list of supported formats.
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%
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% The format of the UnregisterTIMImage method is:
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%
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% UnregisterTIMImage(void)
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%
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*/
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ModuleExport void UnregisterTIMImage(void)
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{
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(void) UnregisterMagickInfo("TIM");
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}
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