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imagemagick/coders/fpx.c

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Import Upstream version 6.9.11.60
2023-02-03 21:16:55 +08:00
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% FFFFF PPPP X X %
% F P P X X %
% FFF PPPP X %
% F P X X %
% F P X X %
% %
% %
% Read/Write FlashPIX 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 "magick/studio.h"
#include "magick/attribute.h"
#include "magick/blob.h"
#include "magick/blob-private.h"
#include "magick/cache.h"
#include "magick/color.h"
#include "magick/color-private.h"
#include "magick/colormap.h"
#include "magick/colorspace.h"
#include "magick/colorspace-private.h"
#include "magick/constitute.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
#include "magick/geometry.h"
#include "magick/image.h"
#include "magick/image-private.h"
#include "magick/list.h"
#include "magick/magick.h"
#include "magick/memory_.h"
#include "magick/monitor.h"
#include "magick/monitor-private.h"
#include "magick/option.h"
#include "magick/pixel.h"
#include "magick/pixel-accessor.h"
#include "magick/property.h"
#include "magick/quantum-private.h"
#include "magick/static.h"
#include "magick/string_.h"
#include "magick/module.h"
#if defined(MAGICKCORE_FPX_DELEGATE)
#if !defined(vms) && !defined(macintosh) && !defined(MAGICKCORE_WINDOWS_SUPPORT)
#include <fpxlib.h>
#else
#include "Fpxlib.h"
#endif
#endif
#if defined(MAGICKCORE_FPX_DELEGATE)
/*
Forward declarations.
*/
static MagickBooleanType
WriteFPXImage(const ImageInfo *,Image *);
#endif
#if defined(MAGICKCORE_FPX_DELEGATE)
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d F P X I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ReadFPXImage() reads a FlashPix image file and returns it. It
% allocates the memory necessary for the new Image structure and returns a
% pointer to the new image. This method was contributed by BillR@corbis.com.
%
% The format of the ReadFPXImage method is:
%
% Image *ReadFPXImage(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 *ReadFPXImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
const char
*option;
FPXColorspace
colorspace;
FPXImageComponentDesc
*alpha_component,
*blue_component,
*green_component,
*red_component;
FPXImageDesc
fpx_info;
FPXImageHandle
*flashpix;
FPXStatus
fpx_status;
FPXSummaryInformation
summary_info;
Image
*image;
IndexPacket
index;
MagickBooleanType
status;
IndexPacket
*indexes;
ssize_t
i,
x;
PixelPacket
*q;
unsigned char
*a,
*b,
*g,
*r;
size_t
memory_limit;
ssize_t
y;
unsigned char
*pixels;
unsigned int
height,
tile_width,
tile_height,
width;
size_t
scene;
/*
Open image.
*/
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);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
(void) CloseBlob(image);
/*
Initialize FPX toolkit.
*/
fpx_status=FPX_InitSystem();
if (fpx_status != FPX_OK)
ThrowReaderException(CoderError,"UnableToInitializeFPXLibrary");
memory_limit=20000000;
fpx_status=FPX_SetToolkitMemoryLimit(&memory_limit);
if (fpx_status != FPX_OK)
{
FPX_ClearSystem();
ThrowReaderException(CoderError,"UnableToInitializeFPXLibrary");
}
tile_width=64;
tile_height=64;
flashpix=(FPXImageHandle *) NULL;
{
#if defined(macintosh)
FSSpec
fsspec;
FilenameToFSSpec(image->filename,&fsspec);
fpx_status=FPX_OpenImageByFilename((const FSSpec &) fsspec,(char *) NULL,
#else
fpx_status=FPX_OpenImageByFilename(image->filename,(char *) NULL,
#endif
&width,&height,&tile_width,&tile_height,&colorspace,&flashpix);
}
if (fpx_status == FPX_LOW_MEMORY_ERROR)
{
FPX_ClearSystem();
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
}
if (fpx_status != FPX_OK)
{
FPX_ClearSystem();
ThrowFileException(exception,FileOpenError,"UnableToOpenFile",
image->filename);
image=DestroyImageList(image);
return((Image *) NULL);
}
if (colorspace.numberOfComponents == 0)
{
FPX_ClearSystem();
ThrowReaderException(CorruptImageError,"ImageTypeNotSupported");
}
option=image_info->view;
if (option == (const char *) NULL)
option=GetImageOption(image_info,"fpx:view");
if (option == (const char *) NULL)
{
float
aspect_ratio;
/*
Get the aspect ratio.
*/
aspect_ratio=(float) width/height;
fpx_status=FPX_GetImageResultAspectRatio(flashpix,&aspect_ratio);
if (fpx_status != FPX_OK)
ThrowReaderException(DelegateError,"UnableToReadAspectRatio");
if (width != (size_t) floor((aspect_ratio*height)+0.5))
Swap(width,height);
}
fpx_status=FPX_GetSummaryInformation(flashpix,&summary_info);
if (fpx_status != FPX_OK)
{
FPX_ClearSystem();
ThrowReaderException(DelegateError,"UnableToReadSummaryInfo");
}
if (summary_info.title_valid)
if ((summary_info.title.length != 0) &&
(summary_info.title.ptr != (unsigned char *) NULL))
{
char
*label;
/*
Note image label.
*/
label=(char *) NULL;
if (~summary_info.title.length >= (MaxTextExtent-1))
label=(char *) AcquireQuantumMemory(summary_info.title.length+
MaxTextExtent,sizeof(*label));
if (label == (char *) NULL)
{
FPX_ClearSystem();
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
}
(void) CopyMagickString(label,(char *) summary_info.title.ptr,
summary_info.title.length+1);
(void) SetImageProperty(image,"label",label);
label=DestroyString(label);
}
if (summary_info.comments_valid)
if ((summary_info.comments.length != 0) &&
(summary_info.comments.ptr != (unsigned char *) NULL))
{
char
*comments;
/*
Note image comment.
*/
comments=(char *) NULL;
if (~summary_info.comments.length >= (MaxTextExtent-1))
comments=(char *) AcquireQuantumMemory(summary_info.comments.length+
MaxTextExtent,sizeof(*comments));
if (comments == (char *) NULL)
{
FPX_ClearSystem();
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
}
(void) CopyMagickString(comments,(char *) summary_info.comments.ptr,
summary_info.comments.length+1);
(void) SetImageProperty(image,"comment",comments);
comments=DestroyString(comments);
}
/*
Determine resolution by scene specification.
*/
for (i=1; ; i++)
if (((width >> i) < tile_width) || ((height >> i) < tile_height))
break;
scene=i;
if (image_info->number_scenes != 0)
while (scene > image_info->scene)
{
width>>=1;
height>>=1;
scene--;
}
if (image_info->size != (char *) NULL)
while ((width > image->columns) || (height > image->rows))
{
width>>=1;
height>>=1;
scene--;
}
image->depth=8;
image->columns=width;
image->rows=height;
if ((colorspace.numberOfComponents % 2) == 0)
image->matte=MagickTrue;
if (colorspace.numberOfComponents == 1)
{
/*
Create linear colormap.
*/
if (AcquireImageColormap(image,MaxColormapSize) == MagickFalse)
{
FPX_ClearSystem();
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
}
}
if (image_info->ping != MagickFalse)
{
(void) FPX_CloseImage(flashpix);
FPX_ClearSystem();
return(GetFirstImageInList(image));
}
status=SetImageExtent(image,image->columns,image->rows);
if (status == MagickFalse)
{
InheritException(exception,&image->exception);
return(DestroyImageList(image));
}
/*
Allocate memory for the image and pixel buffer.
*/
pixels=(unsigned char *) AcquireQuantumMemory(image->columns,(tile_height+
1UL)*colorspace.numberOfComponents*sizeof(*pixels));
if (pixels == (unsigned char *) NULL)
{
FPX_ClearSystem();
(void) FPX_CloseImage(flashpix);
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
}
/*
Initialize FlashPix image description.
*/
fpx_info.numberOfComponents=colorspace.numberOfComponents;
for (i=0; i < 4; i++)
{
fpx_info.components[i].myColorType.myDataType=DATA_TYPE_UNSIGNED_BYTE;
fpx_info.components[i].horzSubSampFactor=1;
fpx_info.components[i].vertSubSampFactor=1;
fpx_info.components[i].columnStride=fpx_info.numberOfComponents;
fpx_info.components[i].lineStride=image->columns*
fpx_info.components[i].columnStride;
fpx_info.components[i].theData=pixels+i;
}
fpx_info.components[0].myColorType.myColor=fpx_info.numberOfComponents > 2 ?
NIFRGB_R : MONOCHROME;
red_component=(&fpx_info.components[0]);
fpx_info.components[1].myColorType.myColor=fpx_info.numberOfComponents > 2 ?
NIFRGB_G : ALPHA;
green_component=(&fpx_info.components[1]);
fpx_info.components[2].myColorType.myColor=NIFRGB_B;
blue_component=(&fpx_info.components[2]);
fpx_info.components[3].myColorType.myColor=ALPHA;
alpha_component=(&fpx_info.components[fpx_info.numberOfComponents-1]);
FPX_SetResampleMethod(FPX_LINEAR_INTERPOLATION);
/*
Initialize image pixels.
*/
for (y=0; y < (ssize_t) image->rows; y++)
{
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (PixelPacket *) NULL)
break;
indexes=GetAuthenticIndexQueue(image);
if ((y % tile_height) == 0)
{
/*
Read FPX image tile (with or without viewing affine).
*/
if (option != (const char *) NULL)
fpx_status=FPX_ReadImageRectangle(flashpix,0,y,image->columns,y+
tile_height-1,scene,&fpx_info);
else
fpx_status=FPX_ReadImageTransformRectangle(flashpix,0.0F,
(float) y/image->rows,(float) image->columns/image->rows,
(float) (y+tile_height-1)/image->rows,(ssize_t) image->columns,
(ssize_t) tile_height,&fpx_info);
if (fpx_status == FPX_LOW_MEMORY_ERROR)
{
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
(void) FPX_CloseImage(flashpix);
FPX_ClearSystem();
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
}
}
/*
Transfer a FPX pixels.
*/
r=red_component->theData+(y % tile_height)*red_component->lineStride;
g=green_component->theData+(y % tile_height)*green_component->lineStride;
b=blue_component->theData+(y % tile_height)*blue_component->lineStride;
a=alpha_component->theData+(y % tile_height)*alpha_component->lineStride;
for (x=0; x < (ssize_t) image->columns; x++)
{
if (fpx_info.numberOfComponents > 2)
{
SetPixelRed(q,ScaleCharToQuantum(*r));
SetPixelGreen(q,ScaleCharToQuantum(*g));
SetPixelBlue(q,ScaleCharToQuantum(*b));
}
else
{
index=ScaleCharToQuantum(*r);
SetPixelIndex(indexes+x,index);
SetPixelRed(q,index);
SetPixelGreen(q,index);
SetPixelBlue(q,index);
}
SetPixelOpacity(q,OpaqueOpacity);
if (image->matte != MagickFalse)
SetPixelAlpha(q,ScaleCharToQuantum(*a));
q++;
r+=red_component->columnStride;
g+=green_component->columnStride;
b+=blue_component->columnStride;
a+=alpha_component->columnStride;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
(void) FPX_CloseImage(flashpix);
FPX_ClearSystem();
return(GetFirstImageInList(image));
}
#endif
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e g i s t e r F P X I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% RegisterFPXImage() adds attributes for the FPX image format to
% the list of supported formats. The attributes 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 RegisterFPXImage method is:
%
% size_t RegisterFPXImage(void)
%
*/
ModuleExport size_t RegisterFPXImage(void)
{
MagickInfo
*entry;
entry=SetMagickInfo("FPX");
#if defined(MAGICKCORE_FPX_DELEGATE)
entry->decoder=(DecodeImageHandler *) ReadFPXImage;
entry->encoder=(EncodeImageHandler *) WriteFPXImage;
#endif
entry->adjoin=MagickFalse;
entry->seekable_stream=MagickTrue;
entry->blob_support=MagickFalse;
entry->description=ConstantString("FlashPix Format");
entry->magick_module=ConstantString("FPX");
(void) RegisterMagickInfo(entry);
return(MagickImageCoderSignature);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% U n r e g i s t e r F P X I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% UnregisterFPXImage() removes format registrations made by the
% FPX module from the list of supported formats.
%
% The format of the UnregisterFPXImage method is:
%
% UnregisterFPXImage(void)
%
*/
ModuleExport void UnregisterFPXImage(void)
{
(void) UnregisterMagickInfo("FPX");
}
#if defined(MAGICKCORE_FPX_DELEGATE)
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e F P X I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% WriteFPXImage() writes an image in the FlashPix image format. This
% method was contributed by BillR@corbis.com.
%
% The format of the WriteFPXImage method is:
%
% MagickBooleanType WriteFPXImage(const ImageInfo *image_info,Image *image)
%
% A description of each parameter follows.
%
% o image_info: the image info.
%
% o image: The image.
%
*/
static void ColorTwistMultiply(FPXColorTwistMatrix first,
FPXColorTwistMatrix second,FPXColorTwistMatrix *color_twist)
{
/*
Matrix multiply.
*/
assert(color_twist != (FPXColorTwistMatrix *) NULL);
color_twist->byy=(first.byy*second.byy)+(first.byc1*second.bc1y)+
(first.byc2*second.bc2y)+(first.dummy1_zero*second.dummy4_zero);
color_twist->byc1=(first.byy*second.byc1)+(first.byc1*second.bc1c1)+
(first.byc2*second.bc2c1)+(first.dummy1_zero*second.dummy5_zero);
color_twist->byc2=(first.byy*second.byc2)+(first.byc1*second.bc1c2)+
(first.byc2*second.bc2c2)+(first.dummy1_zero*second.dummy6_zero);
color_twist->dummy1_zero=(first.byy*second.dummy1_zero)+
(first.byc1*second.dummy2_zero)+(first.byc2*second.dummy3_zero)+
(first.dummy1_zero*second.dummy7_one);
color_twist->bc1y=(first.bc1y*second.byy)+(first.bc1c1*second.bc1y)+
(first.bc1c2*second.bc2y)+(first.dummy2_zero*second.dummy4_zero);
color_twist->bc1c1=(first.bc1y*second.byc1)+(first.bc1c1*second.bc1c1)+
(first.bc1c2*second.bc2c1)+(first.dummy2_zero*second.dummy5_zero);
color_twist->bc1c2=(first.bc1y*second.byc2)+(first.bc1c1*second.bc1c2)+
(first.bc1c2*second.bc2c2)+(first.dummy2_zero*second.dummy6_zero);
color_twist->dummy2_zero=(first.bc1y*second.dummy1_zero)+
(first.bc1c1*second.dummy2_zero)+(first.bc1c2*second.dummy3_zero)+
(first.dummy2_zero*second.dummy7_one);
color_twist->bc2y=(first.bc2y*second.byy)+(first.bc2c1*second.bc1y)+
(first.bc2c2*second.bc2y)+(first.dummy3_zero*second.dummy4_zero);
color_twist->bc2c1=(first.bc2y*second.byc1)+(first.bc2c1*second.bc1c1)+
(first.bc2c2*second.bc2c1)+(first.dummy3_zero*second.dummy5_zero);
color_twist->bc2c2=(first.bc2y*second.byc2)+(first.bc2c1*second.bc1c2)+
(first.bc2c2*second.bc2c2)+(first.dummy3_zero*second.dummy6_zero);
color_twist->dummy3_zero=(first.bc2y*second.dummy1_zero)+
(first.bc2c1*second.dummy2_zero)+(first.bc2c2*second.dummy3_zero)+
(first.dummy3_zero*second.dummy7_one);
color_twist->dummy4_zero=(first.dummy4_zero*second.byy)+
(first.dummy5_zero*second.bc1y)+(first.dummy6_zero*second.bc2y)+
(first.dummy7_one*second.dummy4_zero);
color_twist->dummy5_zero=(first.dummy4_zero*second.byc1)+
(first.dummy5_zero*second.bc1c1)+(first.dummy6_zero*second.bc2c1)+
(first.dummy7_one*second.dummy5_zero);
color_twist->dummy6_zero=(first.dummy4_zero*second.byc2)+
(first.dummy5_zero*second.bc1c2)+(first.dummy6_zero*second.bc2c2)+
(first.dummy7_one*second.dummy6_zero);
color_twist->dummy7_one=(first.dummy4_zero*second.dummy1_zero)+
(first.dummy5_zero*second.dummy2_zero)+
(first.dummy6_zero*second.dummy3_zero)+(first.dummy7_one*second.dummy7_one);
}
static void SetBrightness(double brightness,FPXColorTwistMatrix *color_twist)
{
FPXColorTwistMatrix
effect,
result;
/*
Set image brightness in color twist matrix.
*/
assert(color_twist != (FPXColorTwistMatrix *) NULL);
brightness=sqrt((double) brightness);
effect.byy=brightness;
effect.byc1=0.0;
effect.byc2=0.0;
effect.dummy1_zero=0.0;
effect.bc1y=0.0;
effect.bc1c1=brightness;
effect.bc1c2=0.0;
effect.dummy2_zero=0.0;
effect.bc2y=0.0;
effect.bc2c1=0.0;
effect.bc2c2=brightness;
effect.dummy3_zero=0.0;
effect.dummy4_zero=0.0;
effect.dummy5_zero=0.0;
effect.dummy6_zero=0.0;
effect.dummy7_one=1.0;
ColorTwistMultiply(*color_twist,effect,&result);
*color_twist=result;
}
static void SetColorBalance(double red,double green,double blue,
FPXColorTwistMatrix *color_twist)
{
FPXColorTwistMatrix
blue_effect,
green_effect,
result,
rgb_effect,
rg_effect,
red_effect;
/*
Set image color balance in color twist matrix.
*/
assert(color_twist != (FPXColorTwistMatrix *) NULL);
red=sqrt((double) red)-1.0;
green=sqrt((double) green)-1.0;
blue=sqrt((double) blue)-1.0;
red_effect.byy=1.0;
red_effect.byc1=0.0;
red_effect.byc2=0.299*red;
red_effect.dummy1_zero=0.0;
red_effect.bc1y=(-0.299)*red;
red_effect.bc1c1=1.0-0.299*red;
red_effect.bc1c2=(-0.299)*red;
red_effect.dummy2_zero=0.0;
red_effect.bc2y=0.701*red;
red_effect.bc2c1=0.0;
red_effect.bc2c2=1.0+0.402*red;
red_effect.dummy3_zero=0.0;
red_effect.dummy4_zero=0.0;
red_effect.dummy5_zero=0.0;
red_effect.dummy6_zero=0.0;
red_effect.dummy7_one=1.0;
green_effect.byy=1.0;
green_effect.byc1=(-0.114)*green;
green_effect.byc2=(-0.299)*green;
green_effect.dummy1_zero=0.0;
green_effect.bc1y=(-0.587)*green;
green_effect.bc1c1=1.0-0.473*green;
green_effect.bc1c2=0.299*green;
green_effect.dummy2_zero=0.0;
green_effect.bc2y=(-0.587)*green;
green_effect.bc2c1=0.114*green;
green_effect.bc2c2=1.0-0.288*green;
green_effect.dummy3_zero=0.0;
green_effect.dummy4_zero=0.0;
green_effect.dummy5_zero=0.0;
green_effect.dummy6_zero=0.0;
green_effect.dummy7_one=1.0;
blue_effect.byy=1.0;
blue_effect.byc1=0.114*blue;
blue_effect.byc2=0.0;
blue_effect.dummy1_zero=0.0;
blue_effect.bc1y=0.886*blue;
blue_effect.bc1c1=1.0+0.772*blue;
blue_effect.bc1c2=0.0;
blue_effect.dummy2_zero=0.0;
blue_effect.bc2y=(-0.114)*blue;
blue_effect.bc2c1=(-0.114)*blue;
blue_effect.bc2c2=1.0-0.114*blue;
blue_effect.dummy3_zero=0.0;
blue_effect.dummy4_zero=0.0;
blue_effect.dummy5_zero=0.0;
blue_effect.dummy6_zero=0.0;
blue_effect.dummy7_one=1.0;
ColorTwistMultiply(red_effect,green_effect,&rg_effect);
ColorTwistMultiply(rg_effect,blue_effect,&rgb_effect);
ColorTwistMultiply(*color_twist,rgb_effect,&result);
*color_twist=result;
}
static void SetSaturation(double saturation,FPXColorTwistMatrix *color_twist)
{
FPXColorTwistMatrix
effect,
result;
/*
Set image saturation in color twist matrix.
*/
assert(color_twist != (FPXColorTwistMatrix *) NULL);
effect.byy=1.0;
effect.byc1=0.0;
effect.byc2=0.0;
effect.dummy1_zero=0.0;
effect.bc1y=0.0;
effect.bc1c1=saturation;
effect.bc1c2=0.0;
effect.dummy2_zero=0.0;
effect.bc2y=0.0;
effect.bc2c1=0.0;
effect.bc2c2=saturation;
effect.dummy3_zero=0.0;
effect.dummy4_zero=0.0;
effect.dummy5_zero=0.0;
effect.dummy6_zero=0.0;
effect.dummy7_one=1.0;
ColorTwistMultiply(*color_twist,effect,&result);
*color_twist=result;
}
static MagickBooleanType WriteFPXImage(const ImageInfo *image_info,Image *image)
{
FPXBackground
background_color;
FPXColorspace
colorspace =
{
TRUE, 4,
{
{ NIFRGB_R, DATA_TYPE_UNSIGNED_BYTE },
{ NIFRGB_G, DATA_TYPE_UNSIGNED_BYTE },
{ NIFRGB_B, DATA_TYPE_UNSIGNED_BYTE },
{ ALPHA, DATA_TYPE_UNSIGNED_BYTE }
}
};
const char
*comment,
*label,
*option;
FPXCompressionOption
compression;
FPXImageDesc
fpx_info;
FPXImageHandle
*flashpix;
FPXStatus
fpx_status;
FPXSummaryInformation
summary_info;
MagickBooleanType
status;
QuantumInfo
*quantum_info;
QuantumType
quantum_type;
const PixelPacket
*p;
ssize_t
i;
size_t
memory_limit;
ssize_t
y;
unsigned char
*pixels;
unsigned int
tile_height,
tile_width;
/*
Open input 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);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
(void) TransformImageColorspace(image,sRGBColorspace);
(void) CloseBlob(image);
/*
Initialize FPX toolkit.
*/
image->depth=8;
memory_limit=20000000;
fpx_status=FPX_SetToolkitMemoryLimit(&memory_limit);
if (fpx_status != FPX_OK)
ThrowWriterException(DelegateError,"UnableToInitializeFPXLibrary");
tile_width=64;
tile_height=64;
colorspace.numberOfComponents=3;
if (image->matte != MagickFalse)
colorspace.numberOfComponents=4;
if ((image_info->type != TrueColorType) &&
SetImageGray(image,&image->exception))
{
colorspace.numberOfComponents=1;
colorspace.theComponents[0].myColor=MONOCHROME;
}
background_color.color1_value=0;
background_color.color2_value=0;
background_color.color3_value=0;
background_color.color4_value=0;
compression=NONE;
if (image->compression == JPEGCompression)
compression=JPEG_UNSPECIFIED;
if (image_info->compression == JPEGCompression)
compression=JPEG_UNSPECIFIED;
{
#if defined(macintosh)
FSSpec
fsspec;
FilenameToFSSpec(filename,&fsspec);
fpx_status=FPX_CreateImageByFilename((const FSSpec &) fsspec,image->columns,
#else
fpx_status=FPX_CreateImageByFilename(image->filename,image->columns,
#endif
image->rows,tile_width,tile_height,colorspace,background_color,
compression,&flashpix);
}
if (fpx_status != FPX_OK)
return(status);
if (compression == JPEG_UNSPECIFIED)
{
/*
Initialize the compression by quality for the entire image.
*/
fpx_status=FPX_SetJPEGCompression(flashpix,(unsigned short)
image->quality == UndefinedCompressionQuality ? 75 : image->quality);
if (fpx_status != FPX_OK)
ThrowWriterException(DelegateError,"UnableToSetJPEGLevel");
}
/*
Set image summary info.
*/
summary_info.title_valid=MagickFalse;
summary_info.subject_valid=MagickFalse;
summary_info.author_valid=MagickFalse;
summary_info.comments_valid=MagickFalse;
summary_info.keywords_valid=MagickFalse;
summary_info.OLEtemplate_valid=MagickFalse;
summary_info.last_author_valid=MagickFalse;
summary_info.rev_number_valid=MagickFalse;
summary_info.edit_time_valid=MagickFalse;
summary_info.last_printed_valid=MagickFalse;
summary_info.create_dtm_valid=MagickFalse;
summary_info.last_save_dtm_valid=MagickFalse;
summary_info.page_count_valid=MagickFalse;
summary_info.word_count_valid=MagickFalse;
summary_info.char_count_valid=MagickFalse;
summary_info.thumbnail_valid=MagickFalse;
summary_info.appname_valid=MagickFalse;
summary_info.security_valid=MagickFalse;
summary_info.title.ptr=(unsigned char *) NULL;
label=GetImageProperty(image,"label");
if (label != (const char *) NULL)
{
size_t
length;
/*
Note image label.
*/
summary_info.title_valid=MagickTrue;
length=strlen(label);
summary_info.title.length=length;
if (~length >= (MaxTextExtent-1))
summary_info.title.ptr=(unsigned char *) AcquireQuantumMemory(
length+MaxTextExtent,sizeof(*summary_info.title.ptr));
if (summary_info.title.ptr == (unsigned char *) NULL)
ThrowWriterException(DelegateError,"UnableToSetImageTitle");
(void) CopyMagickString((char *) summary_info.title.ptr,label,
MaxTextExtent);
}
comment=GetImageProperty(image,"comment");
if (comment != (const char *) NULL)
{
/*
Note image comment.
*/
summary_info.comments_valid=MagickTrue;
summary_info.comments.ptr=(unsigned char *) AcquireString(comment);
summary_info.comments.length=strlen(comment);
}
fpx_status=FPX_SetSummaryInformation(flashpix,&summary_info);
if (fpx_status != FPX_OK)
ThrowWriterException(DelegateError,"UnableToSetSummaryInfo");
/*
Initialize FlashPix image description.
*/
quantum_info=AcquireQuantumInfo(image_info,image);
if (quantum_info == (QuantumInfo *) NULL)
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
pixels=GetQuantumPixels(quantum_info);
fpx_info.numberOfComponents=colorspace.numberOfComponents;
for (i=0; i < (ssize_t) fpx_info.numberOfComponents; i++)
{
fpx_info.components[i].myColorType.myDataType=DATA_TYPE_UNSIGNED_BYTE;
fpx_info.components[i].horzSubSampFactor=1;
fpx_info.components[i].vertSubSampFactor=1;
fpx_info.components[i].columnStride=fpx_info.numberOfComponents;
fpx_info.components[i].lineStride=
image->columns*fpx_info.components[i].columnStride;
fpx_info.components[i].theData=pixels+i;
}
fpx_info.components[0].myColorType.myColor=fpx_info.numberOfComponents != 1 ?
NIFRGB_R : MONOCHROME;
fpx_info.components[1].myColorType.myColor=NIFRGB_G;
fpx_info.components[2].myColorType.myColor=NIFRGB_B;
fpx_info.components[3].myColorType.myColor=ALPHA;
/*
Write image pixels.
*/
quantum_type=RGBQuantum;
if (image->matte != MagickFalse)
quantum_type=RGBAQuantum;
if (fpx_info.numberOfComponents == 1)
quantum_type=GrayQuantum;
for (y=0; y < (ssize_t) image->rows; y++)
{
size_t
length;
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);
(void) length;
fpx_status=FPX_WriteImageLine(flashpix,&fpx_info);
if (fpx_status != FPX_OK)
break;
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
quantum_info=DestroyQuantumInfo(quantum_info);
option=image_info->view;
if (option == (const char *) NULL)
option=GetImageOption(image_info,"fpx:view");
if (option != (const char *) NULL)
{
FPXAffineMatrix
affine;
FPXColorTwistMatrix
color_twist;
FPXContrastAdjustment
contrast;
FPXFilteringValue
sharpen;
FPXResultAspectRatio
aspect_ratio;
FPXROI
view_rect;
MagickBooleanType
affine_valid,
aspect_ratio_valid,
color_twist_valid,
contrast_valid,
sharpen_valid,
view_rect_valid;
/*
Initialize default viewing parameters.
*/
contrast=1.0;
contrast_valid=MagickTrue;
color_twist.byy=1.0;
color_twist.byc1=0.0;
color_twist.byc2=0.0;
color_twist.dummy1_zero=0.0;
color_twist.bc1y=0.0;
color_twist.bc1c1=1.0;
color_twist.bc1c2=0.0;
color_twist.dummy2_zero=0.0;
color_twist.bc2y=0.0;
color_twist.bc2c1=0.0;
color_twist.bc2c2=1.0;
color_twist.dummy3_zero=0.0;
color_twist.dummy4_zero=0.0;
color_twist.dummy5_zero=0.0;
color_twist.dummy6_zero=0.0;
color_twist.dummy7_one=1.0;
color_twist_valid=MagickTrue;
sharpen=0.0;
sharpen_valid=MagickTrue;
aspect_ratio=(double) image->columns/image->rows;
aspect_ratio_valid=MagickTrue;
view_rect.left=(float) 0.1;
view_rect.width=aspect_ratio-0.2;
view_rect.top=(float) 0.1;
view_rect.height=(float) 0.8; /* 1.0-0.2 */
view_rect_valid=MagickTrue;
affine.a11=1.0;
affine.a12=0.0;
affine.a13=0.0;
affine.a14=0.0;
affine.a21=0.0;
affine.a22=1.0;
affine.a23=0.0;
affine.a24=0.0;
affine.a31=0.0;
affine.a32=0.0;
affine.a33=1.0;
affine.a34=0.0;
affine.a41=0.0;
affine.a42=0.0;
affine.a43=0.0;
affine.a44=1.0;
affine_valid=MagickTrue;
if (0)
{
/*
Color color twist.
*/
SetBrightness(0.5,&color_twist);
SetSaturation(0.5,&color_twist);
SetColorBalance(0.5,1.0,1.0,&color_twist);
color_twist_valid=MagickTrue;
}
if (affine_valid != MagickFalse)
{
fpx_status=FPX_SetImageAffineMatrix(flashpix,&affine);
if (fpx_status != FPX_OK)
ThrowWriterException(DelegateError,"UnableToSetAffineMatrix");
}
if (aspect_ratio_valid != MagickFalse)
{
fpx_status=FPX_SetImageResultAspectRatio(flashpix,&aspect_ratio);
if (fpx_status != FPX_OK)
ThrowWriterException(DelegateError,"UnableToSetAspectRatio");
}
if (color_twist_valid != MagickFalse)
{
fpx_status=FPX_SetImageColorTwistMatrix(flashpix,&color_twist);
if (fpx_status != FPX_OK)
ThrowWriterException(DelegateError,"UnableToSetColorTwist");
}
if (contrast_valid != MagickFalse)
{
fpx_status=FPX_SetImageContrastAdjustment(flashpix,&contrast);
if (fpx_status != FPX_OK)
ThrowWriterException(DelegateError,"UnableToSetContrast");
}
if (sharpen_valid != MagickFalse)
{
fpx_status=FPX_SetImageFilteringValue(flashpix,&sharpen);
if (fpx_status != FPX_OK)
ThrowWriterException(DelegateError,"UnableToSetFilteringValue");
}
if (view_rect_valid != MagickFalse)
{
fpx_status=FPX_SetImageROI(flashpix,&view_rect);
if (fpx_status != FPX_OK)
ThrowWriterException(DelegateError,"UnableToSetRegionOfInterest");
}
}
(void) FPX_CloseImage(flashpix);
FPX_ClearSystem();
return(MagickTrue);
}
#endif