| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % 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 % |
| % John Cristy % |
| % July 1992 % |
| % % |
| % % |
| % Copyright 1999-2011 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 % |
| % % |
| % http://www.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/property.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/colorspace.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/pixel.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 |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % I s F P X % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % IsFPX() returns MagickTrue if the image format type, identified by the |
| % magick string, is FPX. |
| % |
| % The format of the IsFPX method is: |
| % |
| % MagickBooleanType IsFPX(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 IsFPX(const unsigned char *magick,const size_t length) |
| { |
| if (length < 4) |
| return(MagickFalse); |
| if (memcmp(magick,"\320\317\021\340",4) == 0) |
| return(MagickTrue); |
| return(MagickFalse); |
| } |
| |
| #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) |
| { |
| 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; |
| |
| register IndexPacket |
| *indexes; |
| |
| register ssize_t |
| i, |
| x; |
| |
| register PixelPacket |
| *q; |
| |
| register 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 == MagickSignature); |
| if (image_info->debug != MagickFalse) |
| (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", |
| image_info->filename); |
| assert(exception != (ExceptionInfo *) NULL); |
| assert(exception->signature == MagickSignature); |
| image=AcquireImage(image_info); |
| status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); |
| if (status == MagickFalse) |
| { |
| image=DestroyImageList(image); |
| return((Image *) NULL); |
| } |
| (void) 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"); |
| } |
| if (image_info->view == (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) |
| 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) |
| 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)); |
| } |
| /* |
| 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 (image_info->view != (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) |
| { |
| SetRedPixelComponent(q,ScaleCharToQuantum(*r)); |
| SetGreenPixelComponent(q,ScaleCharToQuantum(*g)); |
| SetBluePixelComponent(q,ScaleCharToQuantum(*b)); |
| } |
| else |
| { |
| index=ScaleCharToQuantum(*r); |
| SetIndexPixelComponent(indexes+x,index); |
| SetRedPixelComponent(q,index); |
| SetGreenPixelComponent(q,index); |
| SetBluePixelComponent(q,index); |
| } |
| SetOpacityPixelComponent(q,OpaqueOpacity); |
| if (image->matte != MagickFalse) |
| SetOpacityPixelComponent(q,ScaleCharToQuantum(255-*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->magick=(IsImageFormatHandler *) IsFPX; |
| entry->description=ConstantString("FlashPix Format"); |
| entry->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; |
| |
| FPXCompressionOption |
| compression; |
| |
| FPXImageDesc |
| fpx_info; |
| |
| FPXImageHandle |
| *flashpix; |
| |
| FPXStatus |
| fpx_status; |
| |
| FPXSummaryInformation |
| summary_info; |
| |
| MagickBooleanType |
| status; |
| |
| QuantumInfo |
| *quantum_info; |
| |
| QuantumType |
| quantum_type; |
| |
| register const PixelPacket |
| *p; |
| |
| register ssize_t |
| i; |
| |
| size_t |
| length, |
| 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 == MagickSignature); |
| assert(image != (Image *) NULL); |
| assert(image->signature == MagickSignature); |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); |
| if (status == MagickFalse) |
| return(status); |
| (void) CloseBlob(image); |
| /* |
| Initialize FPX toolkit. |
| */ |
| image->depth=8; |
| if (image->colorspace != RGBColorspace) |
| (void) TransformImageColorspace(image,RGBColorspace); |
| 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) && |
| IsGrayImage(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; |
| 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) |
| 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 pixelss. |
| */ |
| 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++) |
| { |
| 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); |
| 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); |
| if (image_info->view != (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=MagickFalse; |
| 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=MagickFalse; |
| sharpen=0.0; |
| sharpen_valid=MagickFalse; |
| aspect_ratio=(double) image->columns/image->rows; |
| aspect_ratio_valid=MagickFalse; |
| 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=MagickFalse; |
| 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=MagickFalse; |
| 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) |
| { |
| fpx_status=FPX_SetImageAffineMatrix(flashpix,&affine); |
| if (fpx_status != FPX_OK) |
| ThrowWriterException(DelegateError,"UnableToSetAffineMatrix"); |
| } |
| if (aspect_ratio_valid) |
| { |
| fpx_status=FPX_SetImageResultAspectRatio(flashpix,&aspect_ratio); |
| if (fpx_status != FPX_OK) |
| ThrowWriterException(DelegateError,"UnableToSetAspectRatio"); |
| } |
| if (color_twist_valid) |
| { |
| fpx_status=FPX_SetImageColorTwistMatrix(flashpix,&color_twist); |
| if (fpx_status != FPX_OK) |
| ThrowWriterException(DelegateError,"UnableToSetColorTwist"); |
| } |
| if (contrast_valid) |
| { |
| fpx_status=FPX_SetImageContrastAdjustment(flashpix,&contrast); |
| if (fpx_status != FPX_OK) |
| ThrowWriterException(DelegateError,"UnableToSetContrast"); |
| } |
| if (sharpen_valid) |
| { |
| fpx_status=FPX_SetImageFilteringValue(flashpix,&sharpen); |
| if (fpx_status != FPX_OK) |
| ThrowWriterException(DelegateError,"UnableToSetFilteringValue"); |
| } |
| if (view_rect_valid) |
| { |
| fpx_status=FPX_SetImageROI(flashpix,&view_rect); |
| if (fpx_status != FPX_OK) |
| ThrowWriterException(DelegateError,"UnableToSetRegionOfInterest"); |
| } |
| } |
| (void) FPX_CloseImage(flashpix); |
| FPX_ClearSystem(); |
| return(MagickTrue); |
| } |
| #endif |