|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
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|
% %
|
|
|
% %
|
|
|
% V V IIIII FFFFF FFFFF %
|
|
|
% V V I F F %
|
|
|
% V V I FFF FFF %
|
|
|
% V V I F F %
|
|
|
% V IIIII F F %
|
|
|
% %
|
|
|
% %
|
|
|
% Read/Write Khoros Visualization Image Format %
|
|
|
% %
|
|
|
% Software Design %
|
|
|
% Cristy %
|
|
|
% July 1992 %
|
|
|
% %
|
|
|
% %
|
|
|
% Copyright 1999-2021 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 %
|
|
|
% obtain a copy of the License at %
|
|
|
% %
|
|
|
% https://imagemagick.org/script/license.php %
|
|
|
% %
|
|
|
% Unless required by applicable law or agreed to in writing, software %
|
|
|
% distributed under the License is distributed on an "AS IS" BASIS, %
|
|
|
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
|
|
|
% See the License for the specific language governing permissions and %
|
|
|
% limitations under the License. %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
%
|
|
|
*/
|
|
|
|
|
|
/*
|
|
|
Include declarations.
|
|
|
*/
|
|
|
#include "MagickCore/studio.h"
|
|
|
#include "MagickCore/attribute.h"
|
|
|
#include "MagickCore/blob.h"
|
|
|
#include "MagickCore/blob-private.h"
|
|
|
#include "MagickCore/cache.h"
|
|
|
#include "MagickCore/color.h"
|
|
|
#include "MagickCore/color-private.h"
|
|
|
#include "MagickCore/colormap.h"
|
|
|
#include "MagickCore/colormap-private.h"
|
|
|
#include "MagickCore/colorspace.h"
|
|
|
#include "MagickCore/colorspace-private.h"
|
|
|
#include "MagickCore/exception.h"
|
|
|
#include "MagickCore/exception-private.h"
|
|
|
#include "MagickCore/image.h"
|
|
|
#include "MagickCore/image-private.h"
|
|
|
#include "MagickCore/list.h"
|
|
|
#include "MagickCore/magick.h"
|
|
|
#include "MagickCore/memory_.h"
|
|
|
#include "MagickCore/monitor.h"
|
|
|
#include "MagickCore/monitor-private.h"
|
|
|
#include "MagickCore/pixel-accessor.h"
|
|
|
#include "MagickCore/property.h"
|
|
|
#include "MagickCore/quantum-private.h"
|
|
|
#include "MagickCore/static.h"
|
|
|
#include "MagickCore/string_.h"
|
|
|
#include "MagickCore/module.h"
|
|
|
|
|
|
/*
|
|
|
Forward declarations.
|
|
|
*/
|
|
|
static MagickBooleanType
|
|
|
WriteVIFFImage(const ImageInfo *,Image *,ExceptionInfo *);
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% I s V I F F %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% IsVIFF() returns MagickTrue if the image format type, identified by the
|
|
|
% magick string, is VIFF.
|
|
|
%
|
|
|
% The format of the IsVIFF method is:
|
|
|
%
|
|
|
% MagickBooleanType IsVIFF(const unsigned char *magick,const size_t length)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o magick: compare image format pattern against these bytes.
|
|
|
%
|
|
|
% o length: Specifies the length of the magick string.
|
|
|
%
|
|
|
*/
|
|
|
static MagickBooleanType IsVIFF(const unsigned char *magick,const size_t length)
|
|
|
{
|
|
|
if (length < 2)
|
|
|
return(MagickFalse);
|
|
|
if (memcmp(magick,"\253\001",2) == 0)
|
|
|
return(MagickTrue);
|
|
|
return(MagickFalse);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% R e a d V I F F I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% ReadVIFFImage() reads a Khoros Visualization 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 ReadVIFFImage method is:
|
|
|
%
|
|
|
% Image *ReadVIFFImage(const ImageInfo *image_info,
|
|
|
% ExceptionInfo *exception)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o image: Method ReadVIFFImage 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: the image info.
|
|
|
%
|
|
|
% o exception: return any errors or warnings in this structure.
|
|
|
%
|
|
|
*/
|
|
|
static Image *ReadVIFFImage(const ImageInfo *image_info,
|
|
|
ExceptionInfo *exception)
|
|
|
{
|
|
|
#define VFF_CM_genericRGB 15
|
|
|
#define VFF_CM_ntscRGB 1
|
|
|
#define VFF_CM_NONE 0
|
|
|
#define VFF_DEP_DECORDER 0x4
|
|
|
#define VFF_DEP_NSORDER 0x8
|
|
|
#define VFF_DES_RAW 0
|
|
|
#define VFF_LOC_IMPLICIT 1
|
|
|
#define VFF_MAPTYP_NONE 0
|
|
|
#define VFF_MAPTYP_1_BYTE 1
|
|
|
#define VFF_MAPTYP_2_BYTE 2
|
|
|
#define VFF_MAPTYP_4_BYTE 4
|
|
|
#define VFF_MAPTYP_FLOAT 5
|
|
|
#define VFF_MAPTYP_DOUBLE 7
|
|
|
#define VFF_MS_NONE 0
|
|
|
#define VFF_MS_ONEPERBAND 1
|
|
|
#define VFF_MS_SHARED 3
|
|
|
#define VFF_TYP_BIT 0
|
|
|
#define VFF_TYP_1_BYTE 1
|
|
|
#define VFF_TYP_2_BYTE 2
|
|
|
#define VFF_TYP_4_BYTE 4
|
|
|
#define VFF_TYP_FLOAT 5
|
|
|
#define VFF_TYP_DOUBLE 9
|
|
|
|
|
|
typedef struct _ViffInfo
|
|
|
{
|
|
|
unsigned char
|
|
|
identifier,
|
|
|
file_type,
|
|
|
release,
|
|
|
version,
|
|
|
machine_dependency,
|
|
|
reserve[3];
|
|
|
|
|
|
char
|
|
|
comment[512];
|
|
|
|
|
|
unsigned int
|
|
|
rows,
|
|
|
columns,
|
|
|
subrows;
|
|
|
|
|
|
int
|
|
|
x_offset,
|
|
|
y_offset;
|
|
|
|
|
|
float
|
|
|
x_bits_per_pixel,
|
|
|
y_bits_per_pixel;
|
|
|
|
|
|
unsigned int
|
|
|
location_type,
|
|
|
location_dimension,
|
|
|
number_of_images,
|
|
|
number_data_bands,
|
|
|
data_storage_type,
|
|
|
data_encode_scheme,
|
|
|
map_scheme,
|
|
|
map_storage_type,
|
|
|
map_rows,
|
|
|
map_columns,
|
|
|
map_subrows,
|
|
|
map_enable,
|
|
|
maps_per_cycle,
|
|
|
color_space_model;
|
|
|
} ViffInfo;
|
|
|
|
|
|
double
|
|
|
min_value,
|
|
|
scale_factor,
|
|
|
value;
|
|
|
|
|
|
Image
|
|
|
*image;
|
|
|
|
|
|
int
|
|
|
bit;
|
|
|
|
|
|
MagickBooleanType
|
|
|
status;
|
|
|
|
|
|
MagickSizeType
|
|
|
number_pixels;
|
|
|
|
|
|
ssize_t
|
|
|
x;
|
|
|
|
|
|
Quantum
|
|
|
*q;
|
|
|
|
|
|
ssize_t
|
|
|
i;
|
|
|
|
|
|
unsigned char
|
|
|
*p;
|
|
|
|
|
|
size_t
|
|
|
bytes_per_pixel,
|
|
|
max_packets,
|
|
|
quantum;
|
|
|
|
|
|
ssize_t
|
|
|
count,
|
|
|
y;
|
|
|
|
|
|
unsigned char
|
|
|
*pixels;
|
|
|
|
|
|
unsigned long
|
|
|
lsb_first;
|
|
|
|
|
|
ViffInfo
|
|
|
viff_info;
|
|
|
|
|
|
/*
|
|
|
Open image file.
|
|
|
*/
|
|
|
assert(image_info != (const ImageInfo *) NULL);
|
|
|
assert(image_info->signature == MagickCoreSignature);
|
|
|
if (image_info->debug != MagickFalse)
|
|
|
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
|
|
|
image_info->filename);
|
|
|
assert(exception != (ExceptionInfo *) NULL);
|
|
|
assert(exception->signature == MagickCoreSignature);
|
|
|
image=AcquireImage(image_info,exception);
|
|
|
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
|
|
|
if (status == MagickFalse)
|
|
|
{
|
|
|
image=DestroyImageList(image);
|
|
|
return((Image *) NULL);
|
|
|
}
|
|
|
/*
|
|
|
Read VIFF header (1024 bytes).
|
|
|
*/
|
|
|
count=ReadBlob(image,1,&viff_info.identifier);
|
|
|
do
|
|
|
{
|
|
|
/*
|
|
|
Verify VIFF identifier.
|
|
|
*/
|
|
|
if ((count != 1) || ((unsigned char) viff_info.identifier != 0xab))
|
|
|
ThrowReaderException(CorruptImageError,"NotAVIFFImage");
|
|
|
/*
|
|
|
Initialize VIFF image.
|
|
|
*/
|
|
|
(void) ReadBlob(image,sizeof(viff_info.file_type),&viff_info.file_type);
|
|
|
(void) ReadBlob(image,sizeof(viff_info.release),&viff_info.release);
|
|
|
(void) ReadBlob(image,sizeof(viff_info.version),&viff_info.version);
|
|
|
(void) ReadBlob(image,sizeof(viff_info.machine_dependency),
|
|
|
&viff_info.machine_dependency);
|
|
|
(void) ReadBlob(image,sizeof(viff_info.reserve),viff_info.reserve);
|
|
|
count=ReadBlob(image,512,(unsigned char *) viff_info.comment);
|
|
|
if (count != 512)
|
|
|
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
|
|
viff_info.comment[511]='\0';
|
|
|
if (strlen(viff_info.comment) > 4)
|
|
|
(void) SetImageProperty(image,"comment",viff_info.comment,exception);
|
|
|
if ((viff_info.machine_dependency == VFF_DEP_DECORDER) ||
|
|
|
(viff_info.machine_dependency == VFF_DEP_NSORDER))
|
|
|
image->endian=LSBEndian;
|
|
|
else
|
|
|
image->endian=MSBEndian;
|
|
|
viff_info.rows=ReadBlobLong(image);
|
|
|
viff_info.columns=ReadBlobLong(image);
|
|
|
viff_info.subrows=ReadBlobLong(image);
|
|
|
viff_info.x_offset=ReadBlobSignedLong(image);
|
|
|
viff_info.y_offset=ReadBlobSignedLong(image);
|
|
|
viff_info.x_bits_per_pixel=(float) ReadBlobLong(image);
|
|
|
viff_info.y_bits_per_pixel=(float) ReadBlobLong(image);
|
|
|
viff_info.location_type=ReadBlobLong(image);
|
|
|
viff_info.location_dimension=ReadBlobLong(image);
|
|
|
viff_info.number_of_images=ReadBlobLong(image);
|
|
|
viff_info.number_data_bands=ReadBlobLong(image);
|
|
|
viff_info.data_storage_type=ReadBlobLong(image);
|
|
|
viff_info.data_encode_scheme=ReadBlobLong(image);
|
|
|
viff_info.map_scheme=ReadBlobLong(image);
|
|
|
viff_info.map_storage_type=ReadBlobLong(image);
|
|
|
viff_info.map_rows=ReadBlobLong(image);
|
|
|
viff_info.map_columns=ReadBlobLong(image);
|
|
|
viff_info.map_subrows=ReadBlobLong(image);
|
|
|
viff_info.map_enable=ReadBlobLong(image);
|
|
|
viff_info.maps_per_cycle=ReadBlobLong(image);
|
|
|
viff_info.color_space_model=ReadBlobLong(image);
|
|
|
for (i=0; i < 420; i++)
|
|
|
(void) ReadBlobByte(image);
|
|
|
if (EOFBlob(image) != MagickFalse)
|
|
|
ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile");
|
|
|
number_pixels=(MagickSizeType) viff_info.columns*viff_info.rows;
|
|
|
if (number_pixels > GetBlobSize(image))
|
|
|
ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
|
|
|
if (number_pixels != (size_t) number_pixels)
|
|
|
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
if (number_pixels == 0)
|
|
|
ThrowReaderException(CoderError,"ImageColumnOrRowSizeIsNotSupported");
|
|
|
image->columns=viff_info.rows;
|
|
|
image->rows=viff_info.columns;
|
|
|
image->depth=viff_info.x_bits_per_pixel <= 8 ? 8UL :
|
|
|
MAGICKCORE_QUANTUM_DEPTH;
|
|
|
image->alpha_trait=viff_info.number_data_bands == 4 ? BlendPixelTrait :
|
|
|
UndefinedPixelTrait;
|
|
|
status=SetImageExtent(image,image->columns,image->rows,exception);
|
|
|
if (status == MagickFalse)
|
|
|
return(DestroyImageList(image));
|
|
|
(void) SetImageBackgroundColor(image,exception);
|
|
|
/*
|
|
|
Verify that we can read this VIFF image.
|
|
|
*/
|
|
|
if ((viff_info.number_data_bands < 1) || (viff_info.number_data_bands > 4))
|
|
|
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
|
|
if ((viff_info.data_storage_type != VFF_TYP_BIT) &&
|
|
|
(viff_info.data_storage_type != VFF_TYP_1_BYTE) &&
|
|
|
(viff_info.data_storage_type != VFF_TYP_2_BYTE) &&
|
|
|
(viff_info.data_storage_type != VFF_TYP_4_BYTE) &&
|
|
|
(viff_info.data_storage_type != VFF_TYP_FLOAT) &&
|
|
|
(viff_info.data_storage_type != VFF_TYP_DOUBLE))
|
|
|
ThrowReaderException(CoderError,"DataStorageTypeIsNotSupported");
|
|
|
if (viff_info.data_encode_scheme != VFF_DES_RAW)
|
|
|
ThrowReaderException(CoderError,"DataEncodingSchemeIsNotSupported");
|
|
|
if ((viff_info.map_storage_type != VFF_MAPTYP_NONE) &&
|
|
|
(viff_info.map_storage_type != VFF_MAPTYP_1_BYTE) &&
|
|
|
(viff_info.map_storage_type != VFF_MAPTYP_2_BYTE) &&
|
|
|
(viff_info.map_storage_type != VFF_MAPTYP_4_BYTE) &&
|
|
|
(viff_info.map_storage_type != VFF_MAPTYP_FLOAT) &&
|
|
|
(viff_info.map_storage_type != VFF_MAPTYP_DOUBLE))
|
|
|
ThrowReaderException(CoderError,"MapStorageTypeIsNotSupported");
|
|
|
if ((viff_info.color_space_model != VFF_CM_NONE) &&
|
|
|
(viff_info.color_space_model != VFF_CM_ntscRGB) &&
|
|
|
(viff_info.color_space_model != VFF_CM_genericRGB))
|
|
|
ThrowReaderException(CoderError,"ColorspaceModelIsNotSupported");
|
|
|
if (viff_info.location_type != VFF_LOC_IMPLICIT)
|
|
|
ThrowReaderException(CoderError,"LocationTypeIsNotSupported");
|
|
|
if (viff_info.number_of_images != 1)
|
|
|
ThrowReaderException(CoderError,"NumberOfImagesIsNotSupported");
|
|
|
if (viff_info.map_rows == 0)
|
|
|
viff_info.map_scheme=VFF_MS_NONE;
|
|
|
switch ((int) viff_info.map_scheme)
|
|
|
{
|
|
|
case VFF_MS_NONE:
|
|
|
{
|
|
|
if (viff_info.number_data_bands < 3)
|
|
|
{
|
|
|
/*
|
|
|
Create linear color ramp.
|
|
|
*/
|
|
|
if (viff_info.data_storage_type == VFF_TYP_BIT)
|
|
|
image->colors=2;
|
|
|
else
|
|
|
if (viff_info.data_storage_type == VFF_MAPTYP_1_BYTE)
|
|
|
image->colors=256UL;
|
|
|
else
|
|
|
image->colors=image->depth <= 8 ? 256UL : 65536UL;
|
|
|
status=AcquireImageColormap(image,image->colors,exception);
|
|
|
if (status == MagickFalse)
|
|
|
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
case VFF_MS_ONEPERBAND:
|
|
|
case VFF_MS_SHARED:
|
|
|
{
|
|
|
unsigned char
|
|
|
*viff_colormap;
|
|
|
|
|
|
/*
|
|
|
Allocate VIFF colormap.
|
|
|
*/
|
|
|
switch ((int) viff_info.map_storage_type)
|
|
|
{
|
|
|
case VFF_MAPTYP_1_BYTE: bytes_per_pixel=1; break;
|
|
|
case VFF_MAPTYP_2_BYTE: bytes_per_pixel=2; break;
|
|
|
case VFF_MAPTYP_4_BYTE: bytes_per_pixel=4; break;
|
|
|
case VFF_MAPTYP_FLOAT: bytes_per_pixel=4; break;
|
|
|
case VFF_MAPTYP_DOUBLE: bytes_per_pixel=8; break;
|
|
|
default: bytes_per_pixel=1; break;
|
|
|
}
|
|
|
image->colors=viff_info.map_columns;
|
|
|
if ((MagickSizeType) (viff_info.map_rows*image->colors) > GetBlobSize(image))
|
|
|
ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
|
|
|
if (AcquireImageColormap(image,image->colors,exception) == MagickFalse)
|
|
|
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
if ((MagickSizeType) viff_info.map_rows > GetBlobSize(image))
|
|
|
ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
|
|
|
if ((MagickSizeType) viff_info.map_rows >
|
|
|
(viff_info.map_rows*bytes_per_pixel*sizeof(*viff_colormap)))
|
|
|
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
|
|
viff_colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
|
|
|
viff_info.map_rows*bytes_per_pixel*sizeof(*viff_colormap));
|
|
|
if (viff_colormap == (unsigned char *) NULL)
|
|
|
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
/*
|
|
|
Read VIFF raster colormap.
|
|
|
*/
|
|
|
count=ReadBlob(image,bytes_per_pixel*image->colors*viff_info.map_rows,
|
|
|
viff_colormap);
|
|
|
lsb_first=1;
|
|
|
if (*(char *) &lsb_first &&
|
|
|
((viff_info.machine_dependency != VFF_DEP_DECORDER) &&
|
|
|
(viff_info.machine_dependency != VFF_DEP_NSORDER)))
|
|
|
switch ((int) viff_info.map_storage_type)
|
|
|
{
|
|
|
case VFF_MAPTYP_2_BYTE:
|
|
|
{
|
|
|
MSBOrderShort(viff_colormap,(bytes_per_pixel*image->colors*
|
|
|
viff_info.map_rows));
|
|
|
break;
|
|
|
}
|
|
|
case VFF_MAPTYP_4_BYTE:
|
|
|
case VFF_MAPTYP_FLOAT:
|
|
|
{
|
|
|
MSBOrderLong(viff_colormap,(bytes_per_pixel*image->colors*
|
|
|
viff_info.map_rows));
|
|
|
break;
|
|
|
}
|
|
|
default: break;
|
|
|
}
|
|
|
for (i=0; i < (ssize_t) (viff_info.map_rows*image->colors); i++)
|
|
|
{
|
|
|
switch ((int) viff_info.map_storage_type)
|
|
|
{
|
|
|
case VFF_MAPTYP_2_BYTE: value=1.0*((short *) viff_colormap)[i]; break;
|
|
|
case VFF_MAPTYP_4_BYTE: value=1.0*((int *) viff_colormap)[i]; break;
|
|
|
case VFF_MAPTYP_FLOAT: value=((float *) viff_colormap)[i]; break;
|
|
|
case VFF_MAPTYP_DOUBLE: value=((double *) viff_colormap)[i]; break;
|
|
|
default: value=1.0*viff_colormap[i]; break;
|
|
|
}
|
|
|
if (i < (ssize_t) image->colors)
|
|
|
{
|
|
|
image->colormap[i].red=(MagickRealType)
|
|
|
ScaleCharToQuantum((unsigned char) value);
|
|
|
image->colormap[i].green=(MagickRealType)
|
|
|
ScaleCharToQuantum((unsigned char) value);
|
|
|
image->colormap[i].blue=(MagickRealType)
|
|
|
ScaleCharToQuantum((unsigned char) value);
|
|
|
}
|
|
|
else
|
|
|
if (i < (ssize_t) (2*image->colors))
|
|
|
image->colormap[i % image->colors].green=(MagickRealType)
|
|
|
ScaleCharToQuantum((unsigned char) value);
|
|
|
else
|
|
|
if (i < (ssize_t) (3*image->colors))
|
|
|
image->colormap[i % image->colors].blue=(MagickRealType)
|
|
|
ScaleCharToQuantum((unsigned char) value);
|
|
|
}
|
|
|
viff_colormap=(unsigned char *) RelinquishMagickMemory(viff_colormap);
|
|
|
break;
|
|
|
}
|
|
|
default:
|
|
|
ThrowReaderException(CoderError,"ColormapTypeNotSupported");
|
|
|
}
|
|
|
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
|
|
|
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
|
|
|
break;
|
|
|
if (viff_info.data_storage_type == VFF_TYP_BIT)
|
|
|
{
|
|
|
/*
|
|
|
Create bi-level colormap.
|
|
|
*/
|
|
|
image->colors=2;
|
|
|
if (AcquireImageColormap(image,image->colors,exception) == MagickFalse)
|
|
|
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
image->colorspace=GRAYColorspace;
|
|
|
}
|
|
|
/*
|
|
|
Allocate VIFF pixels.
|
|
|
*/
|
|
|
switch ((int) viff_info.data_storage_type)
|
|
|
{
|
|
|
case VFF_TYP_2_BYTE: bytes_per_pixel=2; break;
|
|
|
case VFF_TYP_4_BYTE: bytes_per_pixel=4; break;
|
|
|
case VFF_TYP_FLOAT: bytes_per_pixel=4; break;
|
|
|
case VFF_TYP_DOUBLE: bytes_per_pixel=8; break;
|
|
|
default: bytes_per_pixel=1; break;
|
|
|
}
|
|
|
if (viff_info.data_storage_type == VFF_TYP_BIT)
|
|
|
{
|
|
|
if (HeapOverflowSanityCheckGetSize((image->columns+7UL) >> 3UL,image->rows,&max_packets) != MagickFalse)
|
|
|
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
if (HeapOverflowSanityCheckGetSize((size_t) number_pixels,viff_info.number_data_bands,&max_packets) != MagickFalse)
|
|
|
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
}
|
|
|
if ((MagickSizeType) (bytes_per_pixel*max_packets) > GetBlobSize(image))
|
|
|
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
|
|
pixels=(unsigned char *) AcquireQuantumMemory((size_t) MagickMax(
|
|
|
number_pixels,max_packets),bytes_per_pixel*sizeof(*pixels));
|
|
|
if (pixels == (unsigned char *) NULL)
|
|
|
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
(void) memset(pixels,0,MagickMax(number_pixels,max_packets)*
|
|
|
bytes_per_pixel*sizeof(*pixels));
|
|
|
count=ReadBlob(image,bytes_per_pixel*max_packets,pixels);
|
|
|
lsb_first=1;
|
|
|
if (*(char *) &lsb_first &&
|
|
|
((viff_info.machine_dependency != VFF_DEP_DECORDER) &&
|
|
|
(viff_info.machine_dependency != VFF_DEP_NSORDER)))
|
|
|
switch ((int) viff_info.data_storage_type)
|
|
|
{
|
|
|
case VFF_TYP_2_BYTE:
|
|
|
{
|
|
|
MSBOrderShort(pixels,bytes_per_pixel*max_packets);
|
|
|
break;
|
|
|
}
|
|
|
case VFF_TYP_4_BYTE:
|
|
|
case VFF_TYP_FLOAT:
|
|
|
{
|
|
|
MSBOrderLong(pixels,bytes_per_pixel*max_packets);
|
|
|
break;
|
|
|
}
|
|
|
default: break;
|
|
|
}
|
|
|
min_value=0.0;
|
|
|
scale_factor=1.0;
|
|
|
if ((viff_info.data_storage_type != VFF_TYP_1_BYTE) &&
|
|
|
(viff_info.map_scheme == VFF_MS_NONE))
|
|
|
{
|
|
|
double
|
|
|
max_value;
|
|
|
|
|
|
/*
|
|
|
Determine scale factor.
|
|
|
*/
|
|
|
switch ((int) viff_info.data_storage_type)
|
|
|
{
|
|
|
case VFF_TYP_2_BYTE: value=1.0*((short *) pixels)[0]; break;
|
|
|
case VFF_TYP_4_BYTE: value=1.0*((int *) pixels)[0]; break;
|
|
|
case VFF_TYP_FLOAT: value=((float *) pixels)[0]; break;
|
|
|
case VFF_TYP_DOUBLE: value=((double *) pixels)[0]; break;
|
|
|
default: value=1.0*pixels[0]; break;
|
|
|
}
|
|
|
max_value=value;
|
|
|
min_value=value;
|
|
|
for (i=0; i < (ssize_t) max_packets; i++)
|
|
|
{
|
|
|
switch ((int) viff_info.data_storage_type)
|
|
|
{
|
|
|
case VFF_TYP_2_BYTE: value=1.0*((short *) pixels)[i]; break;
|
|
|
case VFF_TYP_4_BYTE: value=1.0*((int *) pixels)[i]; break;
|
|
|
case VFF_TYP_FLOAT: value=((float *) pixels)[i]; break;
|
|
|
case VFF_TYP_DOUBLE: value=((double *) pixels)[i]; break;
|
|
|
default: value=1.0*pixels[i]; break;
|
|
|
}
|
|
|
if (value > max_value)
|
|
|
max_value=value;
|
|
|
else
|
|
|
if (value < min_value)
|
|
|
min_value=value;
|
|
|
}
|
|
|
if ((min_value == 0) && (max_value == 0))
|
|
|
scale_factor=0;
|
|
|
else
|
|
|
if (min_value == max_value)
|
|
|
{
|
|
|
scale_factor=(double) QuantumRange/min_value;
|
|
|
min_value=0;
|
|
|
}
|
|
|
else
|
|
|
scale_factor=(double) QuantumRange/(max_value-min_value);
|
|
|
}
|
|
|
/*
|
|
|
Convert pixels to Quantum size.
|
|
|
*/
|
|
|
p=(unsigned char *) pixels;
|
|
|
for (i=0; i < (ssize_t) max_packets; i++)
|
|
|
{
|
|
|
switch ((int) viff_info.data_storage_type)
|
|
|
{
|
|
|
case VFF_TYP_2_BYTE: value=1.0*((short *) pixels)[i]; break;
|
|
|
case VFF_TYP_4_BYTE: value=1.0*((int *) pixels)[i]; break;
|
|
|
case VFF_TYP_FLOAT: value=((float *) pixels)[i]; break;
|
|
|
case VFF_TYP_DOUBLE: value=((double *) pixels)[i]; break;
|
|
|
default: value=1.0*pixels[i]; break;
|
|
|
}
|
|
|
if (viff_info.map_scheme == VFF_MS_NONE)
|
|
|
{
|
|
|
value=(value-min_value)*scale_factor;
|
|
|
if (value > QuantumRange)
|
|
|
value=QuantumRange;
|
|
|
else
|
|
|
if (value < 0)
|
|
|
value=0;
|
|
|
}
|
|
|
*p=(unsigned char) ((Quantum) value);
|
|
|
p++;
|
|
|
}
|
|
|
/*
|
|
|
Convert VIFF raster image to pixel packets.
|
|
|
*/
|
|
|
p=(unsigned char *) pixels;
|
|
|
if (viff_info.data_storage_type == VFF_TYP_BIT)
|
|
|
{
|
|
|
/*
|
|
|
Convert bitmap scanline.
|
|
|
*/
|
|
|
for (y=0; y < (ssize_t) image->rows; y++)
|
|
|
{
|
|
|
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
|
|
|
if (q == (Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) (image->columns-7); x+=8)
|
|
|
{
|
|
|
for (bit=0; bit < 8; bit++)
|
|
|
{
|
|
|
quantum=(size_t) ((*p) & (0x01 << bit) ? 0 : 1);
|
|
|
SetPixelRed(image,quantum == 0 ? 0 : QuantumRange,q);
|
|
|
SetPixelGreen(image,quantum == 0 ? 0 : QuantumRange,q);
|
|
|
SetPixelBlue(image,quantum == 0 ? 0 : QuantumRange,q);
|
|
|
if (image->storage_class == PseudoClass)
|
|
|
SetPixelIndex(image,(Quantum) quantum,q);
|
|
|
q+=GetPixelChannels(image);
|
|
|
}
|
|
|
p++;
|
|
|
}
|
|
|
if ((image->columns % 8) != 0)
|
|
|
{
|
|
|
for (bit=0; bit < (int) (image->columns % 8); bit++)
|
|
|
{
|
|
|
quantum=(size_t) ((*p) & (0x01 << bit) ? 0 : 1);
|
|
|
SetPixelRed(image,quantum == 0 ? 0 : QuantumRange,q);
|
|
|
SetPixelGreen(image,quantum == 0 ? 0 : QuantumRange,q);
|
|
|
SetPixelBlue(image,quantum == 0 ? 0 : QuantumRange,q);
|
|
|
if (image->storage_class == PseudoClass)
|
|
|
SetPixelIndex(image,(Quantum) quantum,q);
|
|
|
q+=GetPixelChannels(image);
|
|
|
}
|
|
|
p++;
|
|
|
}
|
|
|
if (SyncAuthenticPixels(image,exception) == MagickFalse)
|
|
|
break;
|
|
|
if (image->previous == (Image *) NULL)
|
|
|
{
|
|
|
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
|
|
|
image->rows);
|
|
|
if (status == MagickFalse)
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
else
|
|
|
if (image->storage_class == PseudoClass)
|
|
|
for (y=0; y < (ssize_t) image->rows; y++)
|
|
|
{
|
|
|
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
|
|
|
if (q == (Quantum *) NULL)
|
|
|
break;
|
|
|
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;
|
|
|
}
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
/*
|
|
|
Convert DirectColor scanline.
|
|
|
*/
|
|
|
number_pixels=(MagickSizeType) image->columns*image->rows;
|
|
|
for (y=0; y < (ssize_t) image->rows; y++)
|
|
|
{
|
|
|
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+number_pixels)),q);
|
|
|
SetPixelBlue(image,ScaleCharToQuantum(*(p+2*number_pixels)),q);
|
|
|
if (image->colors != 0)
|
|
|
{
|
|
|
ssize_t
|
|
|
index;
|
|
|
|
|
|
index=(ssize_t) GetPixelRed(image,q);
|
|
|
SetPixelRed(image,ClampToQuantum(image->colormap[
|
|
|
ConstrainColormapIndex(image,index,exception)].red),q);
|
|
|
index=(ssize_t) GetPixelGreen(image,q);
|
|
|
SetPixelGreen(image,ClampToQuantum(image->colormap[
|
|
|
ConstrainColormapIndex(image,index,exception)].green),q);
|
|
|
index=(ssize_t) GetPixelBlue(image,q);
|
|
|
SetPixelBlue(image,ClampToQuantum(image->colormap[
|
|
|
ConstrainColormapIndex(image,index,exception)].blue),q);
|
|
|
}
|
|
|
SetPixelAlpha(image,image->alpha_trait != UndefinedPixelTrait ?
|
|
|
ScaleCharToQuantum(*(p+number_pixels*3)) : OpaqueAlpha,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;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
|
|
|
if (image->storage_class == PseudoClass)
|
|
|
(void) SyncImage(image,exception);
|
|
|
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;
|
|
|
count=ReadBlob(image,1,&viff_info.identifier);
|
|
|
if ((count == 1) && (viff_info.identifier == 0xab))
|
|
|
{
|
|
|
/*
|
|
|
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 ((count != 0) && (viff_info.identifier == 0xab));
|
|
|
(void) CloseBlob(image);
|
|
|
if (status == MagickFalse)
|
|
|
return(DestroyImageList(image));
|
|
|
return(GetFirstImageInList(image));
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% R e g i s t e r V I F F I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% RegisterVIFFImage() adds properties for the VIFF image format to
|
|
|
% the list of supported formats. The properties include the image format
|
|
|
% tag, a method to read and/or write the format, whether the format
|
|
|
% supports the saving of more than one frame to the same file or blob,
|
|
|
% whether the format supports native in-memory I/O, and a brief
|
|
|
% description of the format.
|
|
|
%
|
|
|
% The format of the RegisterVIFFImage method is:
|
|
|
%
|
|
|
% size_t RegisterVIFFImage(void)
|
|
|
%
|
|
|
*/
|
|
|
ModuleExport size_t RegisterVIFFImage(void)
|
|
|
{
|
|
|
MagickInfo
|
|
|
*entry;
|
|
|
|
|
|
entry=AcquireMagickInfo("VIFF","VIFF","Khoros Visualization image");
|
|
|
entry->decoder=(DecodeImageHandler *) ReadVIFFImage;
|
|
|
entry->encoder=(EncodeImageHandler *) WriteVIFFImage;
|
|
|
entry->magick=(IsImageFormatHandler *) IsVIFF;
|
|
|
entry->flags|=CoderDecoderSeekableStreamFlag;
|
|
|
(void) RegisterMagickInfo(entry);
|
|
|
entry=AcquireMagickInfo("VIFF","XV","Khoros Visualization image");
|
|
|
entry->decoder=(DecodeImageHandler *) ReadVIFFImage;
|
|
|
entry->encoder=(EncodeImageHandler *) WriteVIFFImage;
|
|
|
entry->flags|=CoderDecoderSeekableStreamFlag;
|
|
|
(void) RegisterMagickInfo(entry);
|
|
|
return(MagickImageCoderSignature);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% U n r e g i s t e r V I F F I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% UnregisterVIFFImage() removes format registrations made by the
|
|
|
% VIFF module from the list of supported formats.
|
|
|
%
|
|
|
% The format of the UnregisterVIFFImage method is:
|
|
|
%
|
|
|
% UnregisterVIFFImage(void)
|
|
|
%
|
|
|
*/
|
|
|
ModuleExport void UnregisterVIFFImage(void)
|
|
|
{
|
|
|
(void) UnregisterMagickInfo("VIFF");
|
|
|
(void) UnregisterMagickInfo("XV");
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% W r i t e V I F F I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% WriteVIFFImage() writes an image to a file in the VIFF image format.
|
|
|
%
|
|
|
% The format of the WriteVIFFImage method is:
|
|
|
%
|
|
|
% MagickBooleanType WriteVIFFImage(const ImageInfo *image_info,
|
|
|
% Image *image,ExceptionInfo *exception)
|
|
|
%
|
|
|
% A description of each parameter follows.
|
|
|
%
|
|
|
% o image_info: the image info.
|
|
|
%
|
|
|
% o image: The image.
|
|
|
%
|
|
|
% o exception: return any errors or warnings in this structure.
|
|
|
%
|
|
|
*/
|
|
|
static MagickBooleanType WriteVIFFImage(const ImageInfo *image_info,
|
|
|
Image *image,ExceptionInfo *exception)
|
|
|
{
|
|
|
#define VFF_CM_genericRGB 15
|
|
|
#define VFF_CM_NONE 0
|
|
|
#define VFF_DEP_IEEEORDER 0x2
|
|
|
#define VFF_DES_RAW 0
|
|
|
#define VFF_LOC_IMPLICIT 1
|
|
|
#define VFF_MAPTYP_NONE 0
|
|
|
#define VFF_MAPTYP_1_BYTE 1
|
|
|
#define VFF_MS_NONE 0
|
|
|
#define VFF_MS_ONEPERBAND 1
|
|
|
#define VFF_TYP_BIT 0
|
|
|
#define VFF_TYP_1_BYTE 1
|
|
|
|
|
|
typedef struct _ViffInfo
|
|
|
{
|
|
|
char
|
|
|
identifier,
|
|
|
file_type,
|
|
|
release,
|
|
|
version,
|
|
|
machine_dependency,
|
|
|
reserve[3],
|
|
|
comment[512];
|
|
|
|
|
|
size_t
|
|
|
rows,
|
|
|
columns,
|
|
|
subrows;
|
|
|
|
|
|
int
|
|
|
x_offset,
|
|
|
y_offset;
|
|
|
|
|
|
unsigned int
|
|
|
x_bits_per_pixel,
|
|
|
y_bits_per_pixel,
|
|
|
location_type,
|
|
|
location_dimension,
|
|
|
number_of_images,
|
|
|
number_data_bands,
|
|
|
data_storage_type,
|
|
|
data_encode_scheme,
|
|
|
map_scheme,
|
|
|
map_storage_type,
|
|
|
map_rows,
|
|
|
map_columns,
|
|
|
map_subrows,
|
|
|
map_enable,
|
|
|
maps_per_cycle,
|
|
|
color_space_model;
|
|
|
} ViffInfo;
|
|
|
|
|
|
const char
|
|
|
*value;
|
|
|
|
|
|
MagickBooleanType
|
|
|
status;
|
|
|
|
|
|
MagickOffsetType
|
|
|
scene;
|
|
|
|
|
|
MagickSizeType
|
|
|
number_pixels,
|
|
|
packets;
|
|
|
|
|
|
MemoryInfo
|
|
|
*pixel_info;
|
|
|
|
|
|
const Quantum
|
|
|
*p;
|
|
|
|
|
|
ssize_t
|
|
|
x;
|
|
|
|
|
|
ssize_t
|
|
|
i;
|
|
|
|
|
|
unsigned char
|
|
|
*q;
|
|
|
|
|
|
size_t
|
|
|
imageListLength;
|
|
|
|
|
|
ssize_t
|
|
|
y;
|
|
|
|
|
|
unsigned char
|
|
|
*pixels;
|
|
|
|
|
|
ViffInfo
|
|
|
viff_info;
|
|
|
|
|
|
/*
|
|
|
Open output image file.
|
|
|
*/
|
|
|
assert(image_info != (const ImageInfo *) NULL);
|
|
|
assert(image_info->signature == MagickCoreSignature);
|
|
|
assert(image != (Image *) NULL);
|
|
|
assert(image->signature == MagickCoreSignature);
|
|
|
if (image->debug != MagickFalse)
|
|
|
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
|
|
assert(exception != (ExceptionInfo *) NULL);
|
|
|
assert(exception->signature == MagickCoreSignature);
|
|
|
status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
|
|
|
if (status == MagickFalse)
|
|
|
return(status);
|
|
|
(void) memset(&viff_info,0,sizeof(ViffInfo));
|
|
|
scene=0;
|
|
|
imageListLength=GetImageListLength(image);
|
|
|
do
|
|
|
{
|
|
|
/*
|
|
|
Initialize VIFF image structure.
|
|
|
*/
|
|
|
(void) TransformImageColorspace(image,sRGBColorspace,exception);
|
|
|
viff_info.identifier=(char) -85;
|
|
|
viff_info.file_type=1;
|
|
|
viff_info.release=1;
|
|
|
viff_info.version=3;
|
|
|
viff_info.machine_dependency=VFF_DEP_IEEEORDER; /* IEEE byte ordering */
|
|
|
*viff_info.comment='\0';
|
|
|
value=GetImageProperty(image,"comment",exception);
|
|
|
if (value != (const char *) NULL)
|
|
|
(void) CopyMagickString(viff_info.comment,value,MagickMin(strlen(value),
|
|
|
511)+1);
|
|
|
viff_info.rows=image->columns;
|
|
|
viff_info.columns=image->rows;
|
|
|
viff_info.subrows=0;
|
|
|
viff_info.x_offset=(~0);
|
|
|
viff_info.y_offset=(~0);
|
|
|
viff_info.x_bits_per_pixel=0;
|
|
|
viff_info.y_bits_per_pixel=0;
|
|
|
viff_info.location_type=VFF_LOC_IMPLICIT;
|
|
|
viff_info.location_dimension=0;
|
|
|
viff_info.number_of_images=1;
|
|
|
viff_info.data_encode_scheme=VFF_DES_RAW;
|
|
|
viff_info.map_scheme=VFF_MS_NONE;
|
|
|
viff_info.map_storage_type=VFF_MAPTYP_NONE;
|
|
|
viff_info.map_rows=0;
|
|
|
viff_info.map_columns=0;
|
|
|
viff_info.map_subrows=0;
|
|
|
viff_info.map_enable=1; /* no colormap */
|
|
|
viff_info.maps_per_cycle=0;
|
|
|
number_pixels=(MagickSizeType) image->columns*image->rows;
|
|
|
if (image->storage_class == DirectClass)
|
|
|
{
|
|
|
/*
|
|
|
Full color VIFF raster.
|
|
|
*/
|
|
|
viff_info.number_data_bands=image->alpha_trait ? 4U : 3U;
|
|
|
viff_info.color_space_model=VFF_CM_genericRGB;
|
|
|
viff_info.data_storage_type=VFF_TYP_1_BYTE;
|
|
|
packets=viff_info.number_data_bands*number_pixels;
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
viff_info.number_data_bands=1;
|
|
|
viff_info.color_space_model=VFF_CM_NONE;
|
|
|
viff_info.data_storage_type=VFF_TYP_1_BYTE;
|
|
|
packets=number_pixels;
|
|
|
if (SetImageGray(image,exception) == MagickFalse)
|
|
|
{
|
|
|
/*
|
|
|
Colormapped VIFF raster.
|
|
|
*/
|
|
|
viff_info.map_scheme=VFF_MS_ONEPERBAND;
|
|
|
viff_info.map_storage_type=VFF_MAPTYP_1_BYTE;
|
|
|
viff_info.map_rows=3;
|
|
|
viff_info.map_columns=(unsigned int) image->colors;
|
|
|
}
|
|
|
else
|
|
|
if (image->colors <= 2)
|
|
|
{
|
|
|
/*
|
|
|
Monochrome VIFF raster.
|
|
|
*/
|
|
|
viff_info.data_storage_type=VFF_TYP_BIT;
|
|
|
packets=((image->columns+7) >> 3)*image->rows;
|
|
|
}
|
|
|
}
|
|
|
/*
|
|
|
Write VIFF image header (pad to 1024 bytes).
|
|
|
*/
|
|
|
(void) WriteBlob(image,sizeof(viff_info.identifier),(unsigned char *)
|
|
|
&viff_info.identifier);
|
|
|
(void) WriteBlob(image,sizeof(viff_info.file_type),(unsigned char *)
|
|
|
&viff_info.file_type);
|
|
|
(void) WriteBlob(image,sizeof(viff_info.release),(unsigned char *)
|
|
|
&viff_info.release);
|
|
|
(void) WriteBlob(image,sizeof(viff_info.version),(unsigned char *)
|
|
|
&viff_info.version);
|
|
|
(void) WriteBlob(image,sizeof(viff_info.machine_dependency),
|
|
|
(unsigned char *) &viff_info.machine_dependency);
|
|
|
(void) WriteBlob(image,sizeof(viff_info.reserve),(unsigned char *)
|
|
|
viff_info.reserve);
|
|
|
(void) WriteBlob(image,512,(unsigned char *) viff_info.comment);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) viff_info.rows);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) viff_info.columns);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) viff_info.subrows);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) viff_info.x_offset);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) viff_info.y_offset);
|
|
|
viff_info.x_bits_per_pixel=(unsigned int) ((63 << 24) | (128 << 16));
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) viff_info.x_bits_per_pixel);
|
|
|
viff_info.y_bits_per_pixel=(unsigned int) ((63 << 24) | (128 << 16));
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) viff_info.y_bits_per_pixel);
|
|
|
(void) WriteBlobMSBLong(image,viff_info.location_type);
|
|
|
(void) WriteBlobMSBLong(image,viff_info.location_dimension);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) viff_info.number_of_images);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) viff_info.number_data_bands);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) viff_info.data_storage_type);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) viff_info.data_encode_scheme);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) viff_info.map_scheme);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) viff_info.map_storage_type);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) viff_info.map_rows);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) viff_info.map_columns);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) viff_info.map_subrows);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) viff_info.map_enable);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) viff_info.maps_per_cycle);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) viff_info.color_space_model);
|
|
|
for (i=0; i < 420; i++)
|
|
|
(void) WriteBlobByte(image,'\0');
|
|
|
/*
|
|
|
Convert MIFF to VIFF raster pixels.
|
|
|
*/
|
|
|
pixel_info=AcquireVirtualMemory((size_t) packets,sizeof(*pixels));
|
|
|
if (pixel_info == (MemoryInfo *) NULL)
|
|
|
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
|
|
|
q=pixels;
|
|
|
if (image->storage_class == DirectClass)
|
|
|
{
|
|
|
/*
|
|
|
Convert DirectClass packet to VIFF RGB pixel.
|
|
|
*/
|
|
|
number_pixels=(MagickSizeType) image->columns*image->rows;
|
|
|
for (y=0; y < (ssize_t) image->rows; y++)
|
|
|
{
|
|
|
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) image->columns; x++)
|
|
|
{
|
|
|
*q=ScaleQuantumToChar(GetPixelRed(image,p));
|
|
|
*(q+number_pixels)=ScaleQuantumToChar(GetPixelGreen(image,p));
|
|
|
*(q+number_pixels*2)=ScaleQuantumToChar(GetPixelBlue(image,p));
|
|
|
if (image->alpha_trait != UndefinedPixelTrait)
|
|
|
*(q+number_pixels*3)=ScaleQuantumToChar((Quantum)
|
|
|
(GetPixelAlpha(image,p)));
|
|
|
p+=GetPixelChannels(image);
|
|
|
q++;
|
|
|
}
|
|
|
if (image->previous == (Image *) NULL)
|
|
|
{
|
|
|
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
|
|
|
image->rows);
|
|
|
if (status == MagickFalse)
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
else
|
|
|
if (SetImageGray(image,exception) == MagickFalse)
|
|
|
{
|
|
|
unsigned char
|
|
|
*viff_colormap;
|
|
|
|
|
|
/*
|
|
|
Dump colormap to file.
|
|
|
*/
|
|
|
viff_colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
|
|
|
3*sizeof(*viff_colormap));
|
|
|
if (viff_colormap == (unsigned char *) NULL)
|
|
|
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
q=viff_colormap;
|
|
|
for (i=0; i < (ssize_t) image->colors; i++)
|
|
|
*q++=ScaleQuantumToChar(ClampToQuantum(image->colormap[i].red));
|
|
|
for (i=0; i < (ssize_t) image->colors; i++)
|
|
|
*q++=ScaleQuantumToChar(ClampToQuantum(image->colormap[i].green));
|
|
|
for (i=0; i < (ssize_t) image->colors; i++)
|
|
|
*q++=ScaleQuantumToChar(ClampToQuantum(image->colormap[i].blue));
|
|
|
(void) WriteBlob(image,3*image->colors,viff_colormap);
|
|
|
viff_colormap=(unsigned char *) RelinquishMagickMemory(viff_colormap);
|
|
|
/*
|
|
|
Convert PseudoClass packet to VIFF colormapped pixels.
|
|
|
*/
|
|
|
q=pixels;
|
|
|
for (y=0; y < (ssize_t) image->rows; y++)
|
|
|
{
|
|
|
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) image->columns; x++)
|
|
|
{
|
|
|
*q++=(unsigned char) ((ssize_t) GetPixelIndex(image,p));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
if (image->previous == (Image *) NULL)
|
|
|
{
|
|
|
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
|
|
|
image->rows);
|
|
|
if (status == MagickFalse)
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
else
|
|
|
if (image->colors <= 2)
|
|
|
{
|
|
|
unsigned char
|
|
|
bit,
|
|
|
byte;
|
|
|
|
|
|
/*
|
|
|
Convert PseudoClass image to a VIFF monochrome image.
|
|
|
*/
|
|
|
for (y=0; y < (ssize_t) image->rows; y++)
|
|
|
{
|
|
|
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
bit=0;
|
|
|
byte=0;
|
|
|
for (x=0; x < (ssize_t) image->columns; x++)
|
|
|
{
|
|
|
byte>>=1;
|
|
|
if (GetPixelLuma(image,p) < (QuantumRange/2.0))
|
|
|
byte|=0x80;
|
|
|
bit++;
|
|
|
if (bit == 8)
|
|
|
{
|
|
|
*q++=byte;
|
|
|
bit=0;
|
|
|
byte=0;
|
|
|
}
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
if (bit != 0)
|
|
|
*q++=byte >> (8-bit);
|
|
|
if (image->previous == (Image *) NULL)
|
|
|
{
|
|
|
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
|
|
|
y,image->rows);
|
|
|
if (status == MagickFalse)
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
/*
|
|
|
Convert PseudoClass packet to VIFF grayscale pixel.
|
|
|
*/
|
|
|
for (y=0; y < (ssize_t) image->rows; y++)
|
|
|
{
|
|
|
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) image->columns; x++)
|
|
|
{
|
|
|
*q++=(unsigned char) ClampToQuantum(GetPixelLuma(image,p));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
if (image->previous == (Image *) NULL)
|
|
|
{
|
|
|
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
|
|
|
y,image->rows);
|
|
|
if (status == MagickFalse)
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
(void) WriteBlob(image,(size_t) packets,pixels);
|
|
|
pixel_info=RelinquishVirtualMemory(pixel_info);
|
|
|
if (GetNextImageInList(image) == (Image *) NULL)
|
|
|
break;
|
|
|
image=SyncNextImageInList(image);
|
|
|
status=SetImageProgress(image,SaveImagesTag,scene++,imageListLength);
|
|
|
if (status == MagickFalse)
|
|
|
break;
|
|
|
} while (image_info->adjoin != MagickFalse);
|
|
|
(void) CloseBlob(image);
|
|
|
return(MagickTrue);
|
|
|
}
|
