| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % PPPP N N M M % |
| % P P NN N MM MM % |
| % PPPP N N N M M M % |
| % P N NN M M % |
| % P N N M M % |
| % % |
| % % |
| % Read/Write PBMPlus Portable Anymap 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/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/exception.h" |
| #include "magick/exception-private.h" |
| #include "magick/image.h" |
| #include "magick/image-private.h" |
| #include "magick/list.h" |
| #include "magick/magick.h" |
| #include "magick/memory_.h" |
| #include "magick/module.h" |
| #include "magick/monitor.h" |
| #include "magick/monitor-private.h" |
| #include "magick/pixel-private.h" |
| #include "magick/property.h" |
| #include "magick/quantum-private.h" |
| #include "magick/static.h" |
| #include "magick/statistic.h" |
| #include "magick/string_.h" |
| #include "magick/string-private.h" |
| |
| /* |
| Forward declarations. |
| */ |
| static MagickBooleanType |
| WritePNMImage(const ImageInfo *,Image *); |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % I s P N M % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % IsPNM() returns MagickTrue if the image format type, identified by the |
| % magick string, is PNM. |
| % |
| % The format of the IsPNM method is: |
| % |
| % MagickBooleanType IsPNM(const unsigned char *magick,const size_t extent) |
| % |
| % A description of each parameter follows: |
| % |
| % o magick: compare image format pattern against these bytes. |
| % |
| % o extent: Specifies the extent of the magick string. |
| % |
| */ |
| static MagickBooleanType IsPNM(const unsigned char *magick,const size_t extent) |
| { |
| if (extent < 2) |
| return(MagickFalse); |
| if ((*magick == (unsigned char) 'P') && |
| ((magick[1] == '1') || (magick[1] == '2') || (magick[1] == '3') || |
| (magick[1] == '4') || (magick[1] == '5') || (magick[1] == '6') || |
| (magick[1] == '7') || (magick[1] == 'F') || (magick[1] == 'f'))) |
| return(MagickTrue); |
| return(MagickFalse); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % R e a d P N M I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % ReadPNMImage() reads a Portable Anymap 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 ReadPNMImage method is: |
| % |
| % Image *ReadPNMImage(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 inline ssize_t ConstrainPixel(Image *image,const ssize_t offset, |
| const size_t extent) |
| { |
| if ((offset < 0) || (offset > (ssize_t) extent)) |
| { |
| (void) ThrowMagickException(&image->exception,GetMagickModule(), |
| CorruptImageError,"InvalidPixel","`%s'",image->filename); |
| return(0); |
| } |
| return(offset); |
| } |
| |
| static size_t PNMInteger(Image *image,const unsigned int base) |
| { |
| char |
| *comment; |
| |
| int |
| c; |
| |
| register char |
| *p; |
| |
| size_t |
| extent; |
| |
| size_t |
| value; |
| |
| /* |
| Skip any leading whitespace. |
| */ |
| extent=MaxTextExtent; |
| comment=(char *) NULL; |
| p=comment; |
| do |
| { |
| c=ReadBlobByte(image); |
| if (c == EOF) |
| return(0); |
| if (c == (int) '#') |
| { |
| /* |
| Read comment. |
| */ |
| if (comment == (char *) NULL) |
| comment=AcquireString((char *) NULL); |
| p=comment+strlen(comment); |
| for ( ; (c != EOF) && (c != (int) '\n'); p++) |
| { |
| if ((size_t) (p-comment+1) >= extent) |
| { |
| extent<<=1; |
| comment=(char *) ResizeQuantumMemory(comment,extent+MaxTextExtent, |
| sizeof(*comment)); |
| if (comment == (char *) NULL) |
| break; |
| p=comment+strlen(comment); |
| } |
| c=ReadBlobByte(image); |
| *p=(char) c; |
| *(p+1)='\0'; |
| } |
| if (comment == (char *) NULL) |
| return(0); |
| continue; |
| } |
| } while (isdigit(c) == MagickFalse); |
| if (comment != (char *) NULL) |
| { |
| (void) SetImageProperty(image,"comment",comment); |
| comment=DestroyString(comment); |
| } |
| if (base == 2) |
| return((size_t) (c-(int) '0')); |
| /* |
| Evaluate number. |
| */ |
| value=0; |
| do |
| { |
| value*=10; |
| value+=c-(int) '0'; |
| c=ReadBlobByte(image); |
| if (c == EOF) |
| return(value); |
| } while (isdigit(c) != MagickFalse); |
| return(value); |
| } |
| |
| static Image *ReadPNMImage(const ImageInfo *image_info,ExceptionInfo *exception) |
| { |
| char |
| format; |
| |
| double |
| quantum_scale; |
| |
| Image |
| *image; |
| |
| ssize_t |
| row, |
| y; |
| |
| MagickBooleanType |
| status; |
| |
| Quantum |
| *scale; |
| |
| QuantumInfo |
| *quantum_info; |
| |
| QuantumType |
| quantum_type; |
| |
| register ssize_t |
| i; |
| |
| size_t |
| extent, |
| packet_size; |
| |
| ssize_t |
| count; |
| |
| size_t |
| depth, |
| max_value; |
| |
| /* |
| Open image file. |
| */ |
| 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); |
| } |
| /* |
| Read PNM image. |
| */ |
| count=ReadBlob(image,1,(unsigned char *) &format); |
| do |
| { |
| /* |
| Initialize image structure. |
| */ |
| if ((count != 1) || (format != 'P')) |
| ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| max_value=1; |
| quantum_type=RGBQuantum; |
| quantum_scale=1.0; |
| format=(char) ReadBlobByte(image); |
| if (format != '7') |
| { |
| /* |
| PBM, PGM, PPM, and PNM. |
| */ |
| image->columns=PNMInteger(image,10); |
| image->rows=PNMInteger(image,10); |
| if ((format == 'f') || (format == 'F')) |
| { |
| char |
| scale[MaxTextExtent]; |
| |
| (void) ReadBlobString(image,scale); |
| quantum_scale=StringToDouble(scale); |
| } |
| else |
| { |
| if ((format == '1') || (format == '4')) |
| max_value=1; /* bitmap */ |
| else |
| max_value=PNMInteger(image,10); |
| } |
| } |
| else |
| { |
| char |
| keyword[MaxTextExtent], |
| value[MaxTextExtent]; |
| |
| int |
| c; |
| |
| register char |
| *p; |
| |
| /* |
| PAM. |
| */ |
| for (c=ReadBlobByte(image); c != EOF; c=ReadBlobByte(image)) |
| { |
| while (isspace((int) ((unsigned char) c)) != 0) |
| c=ReadBlobByte(image); |
| p=keyword; |
| do |
| { |
| if ((size_t) (p-keyword) < (MaxTextExtent-1)) |
| *p++=c; |
| c=ReadBlobByte(image); |
| } while (isalnum(c)); |
| *p='\0'; |
| if (LocaleCompare(keyword,"endhdr") == 0) |
| break; |
| while (isspace((int) ((unsigned char) c)) != 0) |
| c=ReadBlobByte(image); |
| p=value; |
| while (isalnum(c) || (c == '_')) |
| { |
| if ((size_t) (p-value) < (MaxTextExtent-1)) |
| *p++=c; |
| c=ReadBlobByte(image); |
| } |
| *p='\0'; |
| /* |
| Assign a value to the specified keyword. |
| */ |
| if (LocaleCompare(keyword,"depth") == 0) |
| packet_size=StringToUnsignedLong(value); |
| (void) packet_size; |
| if (LocaleCompare(keyword,"height") == 0) |
| image->rows=StringToUnsignedLong(value); |
| if (LocaleCompare(keyword,"maxval") == 0) |
| max_value=StringToUnsignedLong(value); |
| if (LocaleCompare(keyword,"TUPLTYPE") == 0) |
| { |
| if (LocaleCompare(value,"BLACKANDWHITE") == 0) |
| quantum_type=GrayQuantum; |
| if (LocaleCompare(value,"BLACKANDWHITE_ALPHA") == 0) |
| { |
| quantum_type=GrayAlphaQuantum; |
| image->matte=MagickTrue; |
| } |
| if (LocaleCompare(value,"GRAYSCALE") == 0) |
| quantum_type=GrayQuantum; |
| if (LocaleCompare(value,"GRAYSCALE_ALPHA") == 0) |
| { |
| quantum_type=GrayAlphaQuantum; |
| image->matte=MagickTrue; |
| } |
| if (LocaleCompare(value,"RGB_ALPHA") == 0) |
| { |
| quantum_type=RGBAQuantum; |
| image->matte=MagickTrue; |
| } |
| if (LocaleCompare(value,"CMYK") == 0) |
| { |
| quantum_type=CMYKQuantum; |
| image->colorspace=CMYKColorspace; |
| } |
| if (LocaleCompare(value,"CMYK_ALPHA") == 0) |
| { |
| quantum_type=CMYKAQuantum; |
| image->colorspace=CMYKColorspace; |
| image->matte=MagickTrue; |
| } |
| } |
| if (LocaleCompare(keyword,"width") == 0) |
| image->columns=StringToUnsignedLong(value); |
| } |
| } |
| if ((image->columns == 0) || (image->rows == 0)) |
| ThrowReaderException(CorruptImageError,"NegativeOrZeroImageSize"); |
| if (max_value >= 65536) |
| ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| for (depth=1; GetQuantumRange(depth) < max_value; depth++) ; |
| image->depth=depth; |
| if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0)) |
| if (image->scene >= (image_info->scene+image_info->number_scenes-1)) |
| break; |
| /* |
| Convert PNM pixels to runextent-encoded MIFF packets. |
| */ |
| status=MagickTrue; |
| row=0; |
| switch (format) |
| { |
| case '1': |
| { |
| /* |
| Convert PBM image to pixel packets. |
| */ |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| register ssize_t |
| x; |
| |
| register PixelPacket |
| *restrict q; |
| |
| q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); |
| if (q == (PixelPacket *) NULL) |
| break; |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| q->red=(Quantum) (PNMInteger(image,2) == 0 ? QuantumRange : 0); |
| q->green=q->red; |
| q->blue=q->red; |
| q++; |
| } |
| if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| break; |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, |
| image->rows); |
| if (status == MagickFalse) |
| break; |
| } |
| } |
| image->type=BilevelType; |
| break; |
| } |
| case '2': |
| { |
| size_t |
| intensity; |
| |
| /* |
| Convert PGM image to pixel packets. |
| */ |
| scale=(Quantum *) NULL; |
| if (max_value != (1U*QuantumRange)) |
| { |
| /* |
| Compute pixel scaling table. |
| */ |
| scale=(Quantum *) AcquireQuantumMemory((size_t) max_value+1UL, |
| sizeof(*scale)); |
| if (scale == (Quantum *) NULL) |
| ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| for (i=0; i <= (ssize_t) max_value; i++) |
| scale[i]=(Quantum) (((double) QuantumRange*i)/max_value+0.5); |
| } |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| register ssize_t |
| x; |
| |
| register PixelPacket |
| *restrict q; |
| |
| q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); |
| if (q == (PixelPacket *) NULL) |
| break; |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| intensity=PNMInteger(image,10); |
| q->red=(Quantum) intensity; |
| if (scale != (Quantum *) NULL) |
| q->red=scale[ConstrainPixel(image,(ssize_t) intensity,max_value)]; |
| q->green=q->red; |
| q->blue=q->red; |
| q++; |
| } |
| if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| break; |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, |
| image->rows); |
| if (status == MagickFalse) |
| break; |
| } |
| } |
| image->type=GrayscaleType; |
| if (scale != (Quantum *) NULL) |
| scale=(Quantum *) RelinquishMagickMemory(scale); |
| break; |
| } |
| case '3': |
| { |
| MagickPixelPacket |
| pixel; |
| |
| /* |
| Convert PNM image to pixel packets. |
| */ |
| scale=(Quantum *) NULL; |
| if (max_value != (1U*QuantumRange)) |
| { |
| /* |
| Compute pixel scaling table. |
| */ |
| scale=(Quantum *) AcquireQuantumMemory((size_t) max_value+1UL, |
| sizeof(*scale)); |
| if (scale == (Quantum *) NULL) |
| ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| for (i=0; i <= (ssize_t) max_value; i++) |
| scale[i]=(Quantum) (((double) QuantumRange*i)/max_value+0.5); |
| } |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| register ssize_t |
| x; |
| |
| register PixelPacket |
| *restrict q; |
| |
| q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); |
| if (q == (PixelPacket *) NULL) |
| break; |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| pixel.red=(MagickRealType) PNMInteger(image,10); |
| pixel.green=(MagickRealType) PNMInteger(image,10); |
| pixel.blue=(MagickRealType) PNMInteger(image,10); |
| if (scale != (Quantum *) NULL) |
| { |
| pixel.red=(MagickRealType) scale[ConstrainPixel(image,(ssize_t) |
| pixel.red,max_value)]; |
| pixel.green=(MagickRealType) scale[ConstrainPixel(image, |
| (ssize_t) pixel.green,max_value)]; |
| pixel.blue=(MagickRealType) scale[ConstrainPixel(image,(ssize_t) |
| pixel.blue,max_value)]; |
| } |
| q->red=(Quantum) pixel.red; |
| q->green=(Quantum) pixel.green; |
| q->blue=(Quantum) pixel.blue; |
| q++; |
| } |
| if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| break; |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, |
| image->rows); |
| if (status == MagickFalse) |
| break; |
| } |
| } |
| if (scale != (Quantum *) NULL) |
| scale=(Quantum *) RelinquishMagickMemory(scale); |
| break; |
| } |
| case '4': |
| { |
| /* |
| Convert PBM raw image to pixel packets. |
| */ |
| quantum_type=GrayQuantum; |
| if (image->storage_class == PseudoClass) |
| quantum_type=IndexQuantum; |
| quantum_info=AcquireQuantumInfo(image_info,image); |
| if (quantum_info == (QuantumInfo *) NULL) |
| ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| SetQuantumMinIsWhite(quantum_info,MagickTrue); |
| extent=GetQuantumExtent(image,quantum_info,quantum_type); |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| ssize_t |
| offset; |
| |
| MagickBooleanType |
| sync; |
| |
| register PixelPacket |
| *restrict q; |
| |
| ssize_t |
| count; |
| |
| size_t |
| length; |
| |
| unsigned char |
| *pixels; |
| |
| if (status == MagickFalse) |
| continue; |
| pixels=GetQuantumPixels(quantum_info); |
| { |
| count=ReadBlob(image,extent,pixels); |
| if ((image->progress_monitor != (MagickProgressMonitor) NULL) && |
| (image->previous == (Image *) NULL)) |
| { |
| MagickBooleanType |
| proceed; |
| |
| proceed=SetImageProgress(image,LoadImageTag,(MagickOffsetType) |
| row,image->rows); |
| if (proceed == MagickFalse) |
| status=MagickFalse; |
| } |
| offset=row++; |
| } |
| if (count != (ssize_t) extent) |
| status=MagickFalse; |
| q=QueueAuthenticPixels(image,0,offset,image->columns,1,exception); |
| if (q == (PixelPacket *) NULL) |
| { |
| status=MagickFalse; |
| continue; |
| } |
| length=ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
| quantum_type,pixels,exception); |
| if (length != extent) |
| status=MagickFalse; |
| sync=SyncAuthenticPixels(image,exception); |
| if (sync == MagickFalse) |
| status=MagickFalse; |
| } |
| quantum_info=DestroyQuantumInfo(quantum_info); |
| if (status == MagickFalse) |
| ThrowReaderException(CorruptImageError,"UnableToReadImageData"); |
| SetQuantumImageType(image,quantum_type); |
| break; |
| } |
| case '5': |
| { |
| QuantumAny |
| range; |
| |
| /* |
| Convert PGM raw image to pixel packets. |
| */ |
| range=GetQuantumRange(image->depth); |
| quantum_type=GrayQuantum; |
| extent=(image->depth <= 8 ? 1 : 2)*image->columns; |
| quantum_info=AcquireQuantumInfo(image_info,image); |
| if (quantum_info == (QuantumInfo *) NULL) |
| ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| ssize_t |
| offset; |
| |
| MagickBooleanType |
| sync; |
| |
| register const unsigned char |
| *restrict p; |
| |
| register ssize_t |
| x; |
| |
| register PixelPacket |
| *restrict q; |
| |
| ssize_t |
| count; |
| |
| unsigned char |
| *pixels; |
| |
| if (status == MagickFalse) |
| continue; |
| pixels=GetQuantumPixels(quantum_info); |
| { |
| count=ReadBlob(image,extent,pixels); |
| if ((image->progress_monitor != (MagickProgressMonitor) NULL) && |
| (image->previous == (Image *) NULL)) |
| { |
| MagickBooleanType |
| proceed; |
| |
| proceed=SetImageProgress(image,LoadImageTag,(MagickOffsetType) |
| row,image->rows); |
| if (proceed == MagickFalse) |
| status=MagickFalse; |
| } |
| offset=row++; |
| } |
| if (count != (ssize_t) extent) |
| status=MagickFalse; |
| q=QueueAuthenticPixels(image,0,offset,image->columns,1,exception); |
| if (q == (PixelPacket *) NULL) |
| { |
| status=MagickFalse; |
| continue; |
| } |
| p=pixels; |
| if ((image->depth == 8) || (image->depth == 16)) |
| (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
| quantum_type,pixels,exception); |
| else |
| if (image->depth <= 8) |
| { |
| unsigned char |
| pixel; |
| |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| p=PushCharPixel(p,&pixel); |
| SetRedPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
| q->green=q->red; |
| q->blue=q->red; |
| q++; |
| } |
| } |
| else |
| { |
| unsigned short |
| pixel; |
| |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| p=PushShortPixel(MSBEndian,p,&pixel); |
| SetRedPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
| q->green=q->red; |
| q->blue=q->red; |
| q++; |
| } |
| } |
| sync=SyncAuthenticPixels(image,exception); |
| if (sync == MagickFalse) |
| status=MagickFalse; |
| } |
| quantum_info=DestroyQuantumInfo(quantum_info); |
| if (status == MagickFalse) |
| ThrowReaderException(CorruptImageError,"UnableToReadImageData"); |
| SetQuantumImageType(image,quantum_type); |
| break; |
| } |
| case '6': |
| { |
| ImageType |
| type; |
| |
| QuantumAny |
| range; |
| |
| /* |
| Convert PNM raster image to pixel packets. |
| */ |
| type=BilevelType; |
| quantum_type=RGBQuantum; |
| extent=3*(image->depth <= 8 ? 1 : 2)*image->columns; |
| range=GetQuantumRange(image->depth); |
| quantum_info=AcquireQuantumInfo(image_info,image); |
| if (quantum_info == (QuantumInfo *) NULL) |
| ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| ssize_t |
| offset; |
| |
| MagickBooleanType |
| sync; |
| |
| register const unsigned char |
| *restrict p; |
| |
| register ssize_t |
| x; |
| |
| register PixelPacket |
| *restrict q; |
| |
| ssize_t |
| count; |
| |
| unsigned char |
| *pixels; |
| |
| if (status == MagickFalse) |
| continue; |
| pixels=GetQuantumPixels(quantum_info); |
| { |
| count=ReadBlob(image,extent,pixels); |
| if ((image->progress_monitor != (MagickProgressMonitor) NULL) && |
| (image->previous == (Image *) NULL)) |
| { |
| MagickBooleanType |
| proceed; |
| |
| proceed=SetImageProgress(image,LoadImageTag,(MagickOffsetType) |
| row,image->rows); |
| if (proceed == MagickFalse) |
| status=MagickFalse; |
| } |
| offset=row++; |
| } |
| if (count != (ssize_t) extent) |
| status=MagickFalse; |
| q=QueueAuthenticPixels(image,0,offset,image->columns,1,exception); |
| if (q == (PixelPacket *) NULL) |
| { |
| status=MagickFalse; |
| continue; |
| } |
| p=pixels; |
| if (image->depth == 8) |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| q->red=ScaleCharToQuantum(*p++); |
| q->green=ScaleCharToQuantum(*p++); |
| q->blue=ScaleCharToQuantum(*p++); |
| q->opacity=OpaqueOpacity; |
| q++; |
| } |
| else |
| if (image->depth == 16) |
| { |
| unsigned short |
| pixel; |
| |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| p=PushShortPixel(MSBEndian,p,&pixel); |
| q->red=ScaleShortToQuantum(pixel); |
| p=PushShortPixel(MSBEndian,p,&pixel); |
| q->green=ScaleShortToQuantum(pixel); |
| p=PushShortPixel(MSBEndian,p,&pixel); |
| q->blue=ScaleShortToQuantum(pixel); |
| q->opacity=OpaqueOpacity; |
| q++; |
| } |
| } |
| else |
| if (image->depth <= 8) |
| { |
| unsigned char |
| pixel; |
| |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| p=PushCharPixel(p,&pixel); |
| q->red=ScaleAnyToQuantum(pixel,range); |
| p=PushCharPixel(p,&pixel); |
| q->green=ScaleAnyToQuantum(pixel,range); |
| p=PushCharPixel(p,&pixel); |
| q->blue=ScaleAnyToQuantum(pixel,range); |
| q->opacity=OpaqueOpacity; |
| q++; |
| } |
| } |
| else |
| { |
| unsigned short |
| pixel; |
| |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| p=PushShortPixel(MSBEndian,p,&pixel); |
| q->red=ScaleAnyToQuantum(pixel,range); |
| p=PushShortPixel(MSBEndian,p,&pixel); |
| q->green=ScaleAnyToQuantum(pixel,range); |
| p=PushShortPixel(MSBEndian,p,&pixel); |
| q->blue=ScaleAnyToQuantum(pixel,range); |
| q->opacity=OpaqueOpacity; |
| q++; |
| } |
| } |
| if ((type == BilevelType) || (type == GrayscaleType)) |
| { |
| q=QueueAuthenticPixels(image,0,offset,image->columns,1,exception); |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| if ((type == BilevelType) && |
| (IsMonochromePixel(q) == MagickFalse)) |
| type=IsGrayPixel(q) == MagickFalse ? UndefinedType : |
| GrayscaleType; |
| if ((type == GrayscaleType) && (IsGrayPixel(q) == MagickFalse)) |
| type=UndefinedType; |
| if ((type != BilevelType) && (type != GrayscaleType)) |
| break; |
| q++; |
| } |
| } |
| sync=SyncAuthenticPixels(image,exception); |
| if (sync == MagickFalse) |
| status=MagickFalse; |
| } |
| quantum_info=DestroyQuantumInfo(quantum_info); |
| if (status == MagickFalse) |
| ThrowReaderException(CorruptImageError,"UnableToReadImageData"); |
| if (type != UndefinedType) |
| image->type=type; |
| break; |
| } |
| case '7': |
| { |
| register IndexPacket |
| *indexes; |
| |
| QuantumAny |
| range; |
| |
| size_t |
| channels; |
| |
| /* |
| Convert PAM raster image to pixel packets. |
| */ |
| range=GetQuantumRange(image->depth); |
| switch (quantum_type) |
| { |
| case GrayQuantum: |
| case GrayAlphaQuantum: |
| { |
| channels=1; |
| break; |
| } |
| case CMYKQuantum: |
| case CMYKAQuantum: |
| { |
| channels=4; |
| break; |
| } |
| default: |
| { |
| channels=3; |
| break; |
| } |
| } |
| if (image->matte != MagickFalse) |
| channels++; |
| extent=channels*(image->depth <= 8 ? 1 : 2)*image->columns; |
| quantum_info=AcquireQuantumInfo(image_info,image); |
| if (quantum_info == (QuantumInfo *) NULL) |
| ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| ssize_t |
| offset; |
| |
| MagickBooleanType |
| sync; |
| |
| register const unsigned char |
| *restrict p; |
| |
| register ssize_t |
| x; |
| |
| register PixelPacket |
| *restrict q; |
| |
| ssize_t |
| count; |
| |
| unsigned char |
| *pixels; |
| |
| if (status == MagickFalse) |
| continue; |
| pixels=GetQuantumPixels(quantum_info); |
| { |
| count=ReadBlob(image,extent,pixels); |
| if ((image->progress_monitor != (MagickProgressMonitor) NULL) && |
| (image->previous == (Image *) NULL)) |
| { |
| MagickBooleanType |
| proceed; |
| |
| proceed=SetImageProgress(image,LoadImageTag,(MagickOffsetType) |
| row,image->rows); |
| if (proceed == MagickFalse) |
| status=MagickFalse; |
| } |
| offset=row++; |
| } |
| if (count != (ssize_t) extent) |
| status=MagickFalse; |
| q=QueueAuthenticPixels(image,0,offset,image->columns,1,exception); |
| if (q == (PixelPacket *) NULL) |
| { |
| status=MagickFalse; |
| continue; |
| } |
| indexes=GetAuthenticIndexQueue(image); |
| p=pixels; |
| if ((image->depth == 8) || (image->depth == 16)) |
| (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
| quantum_type,pixels,exception); |
| else |
| switch (quantum_type) |
| { |
| case GrayQuantum: |
| case GrayAlphaQuantum: |
| { |
| if (image->depth <= 8) |
| { |
| unsigned char |
| pixel; |
| |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| p=PushCharPixel(p,&pixel); |
| SetRedPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
| q->green=q->red; |
| q->blue=q->red; |
| SetOpacityPixelComponent(q,OpaqueOpacity); |
| if (image->matte != MagickFalse) |
| { |
| p=PushCharPixel(p,&pixel); |
| SetOpacityPixelComponent(q,ScaleAnyToQuantum(pixel, |
| range)); |
| } |
| q++; |
| } |
| } |
| else |
| { |
| unsigned short |
| pixel; |
| |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| p=PushShortPixel(MSBEndian,p,&pixel); |
| SetRedPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
| q->green=q->red; |
| q->blue=q->red; |
| SetOpacityPixelComponent(q,OpaqueOpacity); |
| if (image->matte != MagickFalse) |
| { |
| p=PushShortPixel(MSBEndian,p,&pixel); |
| SetOpacityPixelComponent(q,ScaleAnyToQuantum(pixel, |
| range)); |
| } |
| q++; |
| } |
| } |
| break; |
| } |
| case CMYKQuantum: |
| case CMYKAQuantum: |
| { |
| if (image->depth <= 8) |
| { |
| unsigned char |
| pixel; |
| |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| p=PushCharPixel(p,&pixel); |
| SetRedPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
| p=PushCharPixel(p,&pixel); |
| SetGreenPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
| p=PushCharPixel(p,&pixel); |
| SetBluePixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
| p=PushCharPixel(p,&pixel); |
| indexes[x]=ScaleAnyToQuantum(pixel,range); |
| SetOpacityPixelComponent(q,OpaqueOpacity); |
| if (image->matte != MagickFalse) |
| { |
| p=PushCharPixel(p,&pixel); |
| SetOpacityPixelComponent(q,ScaleAnyToQuantum(pixel, |
| range)); |
| } |
| q++; |
| } |
| } |
| else |
| { |
| unsigned short |
| pixel; |
| |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| p=PushShortPixel(MSBEndian,p,&pixel); |
| SetRedPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
| p=PushShortPixel(MSBEndian,p,&pixel); |
| SetGreenPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
| p=PushShortPixel(MSBEndian,p,&pixel); |
| SetBluePixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
| p=PushShortPixel(MSBEndian,p,&pixel); |
| indexes[x]=ScaleAnyToQuantum(pixel,range); |
| SetOpacityPixelComponent(q,OpaqueOpacity); |
| if (image->matte != MagickFalse) |
| { |
| p=PushShortPixel(MSBEndian,p,&pixel); |
| SetOpacityPixelComponent(q,ScaleAnyToQuantum(pixel, |
| range)); |
| } |
| q++; |
| } |
| } |
| break; |
| } |
| default: |
| { |
| if (image->depth <= 8) |
| { |
| unsigned char |
| pixel; |
| |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| p=PushCharPixel(p,&pixel); |
| SetRedPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
| p=PushCharPixel(p,&pixel); |
| SetGreenPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
| p=PushCharPixel(p,&pixel); |
| SetBluePixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
| SetOpacityPixelComponent(q,OpaqueOpacity); |
| if (image->matte != MagickFalse) |
| { |
| p=PushCharPixel(p,&pixel); |
| SetOpacityPixelComponent(q,ScaleAnyToQuantum(pixel, |
| range)); |
| } |
| q++; |
| } |
| } |
| else |
| { |
| unsigned short |
| pixel; |
| |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| p=PushShortPixel(MSBEndian,p,&pixel); |
| SetRedPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
| p=PushShortPixel(MSBEndian,p,&pixel); |
| SetGreenPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
| p=PushShortPixel(MSBEndian,p,&pixel); |
| SetBluePixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
| SetOpacityPixelComponent(q,OpaqueOpacity); |
| if (image->matte != MagickFalse) |
| { |
| p=PushShortPixel(MSBEndian,p,&pixel); |
| SetOpacityPixelComponent(q,ScaleAnyToQuantum(pixel, |
| range)); |
| } |
| q++; |
| } |
| } |
| break; |
| } |
| } |
| sync=SyncAuthenticPixels(image,exception); |
| if (sync == MagickFalse) |
| status=MagickFalse; |
| } |
| quantum_info=DestroyQuantumInfo(quantum_info); |
| if (status == MagickFalse) |
| ThrowReaderException(CorruptImageError,"UnableToReadImageData"); |
| SetQuantumImageType(image,quantum_type); |
| break; |
| } |
| case 'F': |
| case 'f': |
| { |
| /* |
| Convert PFM raster image to pixel packets. |
| */ |
| quantum_type=format == 'f' ? GrayQuantum : RGBQuantum; |
| image->endian=quantum_scale < 0.0 ? LSBEndian : MSBEndian; |
| image->depth=32; |
| quantum_info=AcquireQuantumInfo(image_info,image); |
| if (quantum_info == (QuantumInfo *) NULL) |
| ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| status=SetQuantumDepth(image,quantum_info,32); |
| if (status == MagickFalse) |
| ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| status=SetQuantumFormat(image,quantum_info,FloatingPointQuantumFormat); |
| if (status == MagickFalse) |
| ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| SetQuantumScale(quantum_info,(MagickRealType) QuantumRange* |
| fabs(quantum_scale)); |
| extent=GetQuantumExtent(image,quantum_info,quantum_type); |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| ssize_t |
| offset; |
| |
| MagickBooleanType |
| sync; |
| |
| register PixelPacket |
| *restrict q; |
| |
| ssize_t |
| count; |
| |
| size_t |
| length; |
| |
| unsigned char |
| *pixels; |
| |
| if (status == MagickFalse) |
| continue; |
| pixels=GetQuantumPixels(quantum_info); |
| { |
| count=ReadBlob(image,extent,pixels); |
| if ((image->progress_monitor != (MagickProgressMonitor) NULL) && |
| (image->previous == (Image *) NULL)) |
| { |
| MagickBooleanType |
| proceed; |
| |
| proceed=SetImageProgress(image,LoadImageTag,(MagickOffsetType) |
| row,image->rows); |
| if (proceed == MagickFalse) |
| status=MagickFalse; |
| } |
| offset=row++; |
| } |
| if ((size_t) count != extent) |
| status=MagickFalse; |
| q=QueueAuthenticPixels(image,0,(ssize_t) (image->rows-offset-1), |
| image->columns,1,exception); |
| if (q == (PixelPacket *) NULL) |
| { |
| status=MagickFalse; |
| continue; |
| } |
| length=ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
| quantum_type,pixels,exception); |
| if (length != extent) |
| status=MagickFalse; |
| sync=SyncAuthenticPixels(image,exception); |
| if (sync == MagickFalse) |
| status=MagickFalse; |
| } |
| quantum_info=DestroyQuantumInfo(quantum_info); |
| if (status == MagickFalse) |
| ThrowReaderException(CorruptImageError,"UnableToReadImageData"); |
| SetQuantumImageType(image,quantum_type); |
| break; |
| } |
| default: |
| ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| } |
| if (EOFBlob(image) != MagickFalse) |
| (void) ThrowMagickException(exception,GetMagickModule(),CorruptImageError, |
| "UnexpectedEndOfFile","`%s'",image->filename); |
| /* |
| Proceed to next image. |
| */ |
| if (image_info->number_scenes != 0) |
| if (image->scene >= (image_info->scene+image_info->number_scenes-1)) |
| break; |
| if ((format == '1') || (format == '2') || (format == '3')) |
| do |
| { |
| /* |
| Skip to end of line. |
| */ |
| count=ReadBlob(image,1,(unsigned char *) &format); |
| if (count == 0) |
| break; |
| if ((count != 0) && (format == 'P')) |
| break; |
| } while (format != '\n'); |
| count=ReadBlob(image,1,(unsigned char *) &format); |
| if ((count == 1) && (format == 'P')) |
| { |
| /* |
| Allocate next image structure. |
| */ |
| AcquireNextImage(image_info,image); |
| if (GetNextImageInList(image) == (Image *) NULL) |
| { |
| image=DestroyImageList(image); |
| return((Image *) NULL); |
| } |
| image=SyncNextImageInList(image); |
| status=SetImageProgress(image,LoadImagesTag,TellBlob(image), |
| GetBlobSize(image)); |
| if (status == MagickFalse) |
| break; |
| } |
| } while ((count == 1) && (format == 'P')); |
| (void) CloseBlob(image); |
| return(GetFirstImageInList(image)); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % R e g i s t e r P N M I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % RegisterPNMImage() adds properties for the PNM 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 RegisterPNMImage method is: |
| % |
| % size_t RegisterPNMImage(void) |
| % |
| */ |
| ModuleExport size_t RegisterPNMImage(void) |
| { |
| MagickInfo |
| *entry; |
| |
| entry=SetMagickInfo("PAM"); |
| entry->decoder=(DecodeImageHandler *) ReadPNMImage; |
| entry->encoder=(EncodeImageHandler *) WritePNMImage; |
| entry->description=ConstantString("Common 2-dimensional bitmap format"); |
| entry->module=ConstantString("PNM"); |
| (void) RegisterMagickInfo(entry); |
| entry=SetMagickInfo("PBM"); |
| entry->decoder=(DecodeImageHandler *) ReadPNMImage; |
| entry->encoder=(EncodeImageHandler *) WritePNMImage; |
| entry->description=ConstantString("Portable bitmap format (black and white)"); |
| entry->module=ConstantString("PNM"); |
| (void) RegisterMagickInfo(entry); |
| entry=SetMagickInfo("PFM"); |
| entry->decoder=(DecodeImageHandler *) ReadPNMImage; |
| entry->encoder=(EncodeImageHandler *) WritePNMImage; |
| entry->endian_support=MagickTrue; |
| entry->description=ConstantString("Portable float format"); |
| entry->module=ConstantString("PFM"); |
| (void) RegisterMagickInfo(entry); |
| entry=SetMagickInfo("PGM"); |
| entry->decoder=(DecodeImageHandler *) ReadPNMImage; |
| entry->encoder=(EncodeImageHandler *) WritePNMImage; |
| entry->description=ConstantString("Portable graymap format (gray scale)"); |
| entry->module=ConstantString("PNM"); |
| (void) RegisterMagickInfo(entry); |
| entry=SetMagickInfo("PNM"); |
| entry->decoder=(DecodeImageHandler *) ReadPNMImage; |
| entry->encoder=(EncodeImageHandler *) WritePNMImage; |
| entry->magick=(IsImageFormatHandler *) IsPNM; |
| entry->description=ConstantString("Portable anymap"); |
| entry->module=ConstantString("PNM"); |
| (void) RegisterMagickInfo(entry); |
| entry=SetMagickInfo("PPM"); |
| entry->decoder=(DecodeImageHandler *) ReadPNMImage; |
| entry->encoder=(EncodeImageHandler *) WritePNMImage; |
| entry->description=ConstantString("Portable pixmap format (color)"); |
| entry->module=ConstantString("PNM"); |
| (void) RegisterMagickInfo(entry); |
| return(MagickImageCoderSignature); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % U n r e g i s t e r P N M I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % UnregisterPNMImage() removes format registrations made by the |
| % PNM module from the list of supported formats. |
| % |
| % The format of the UnregisterPNMImage method is: |
| % |
| % UnregisterPNMImage(void) |
| % |
| */ |
| ModuleExport void UnregisterPNMImage(void) |
| { |
| (void) UnregisterMagickInfo("PAM"); |
| (void) UnregisterMagickInfo("PBM"); |
| (void) UnregisterMagickInfo("PGM"); |
| (void) UnregisterMagickInfo("PNM"); |
| (void) UnregisterMagickInfo("PPM"); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % W r i t e P N M I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % WritePNMImage() writes an image to a file in the PNM rasterfile format. |
| % |
| % The format of the WritePNMImage method is: |
| % |
| % MagickBooleanType WritePNMImage(const ImageInfo *image_info,Image *image) |
| % |
| % A description of each parameter follows. |
| % |
| % o image_info: the image info. |
| % |
| % o image: The image. |
| % |
| */ |
| static MagickBooleanType WritePNMImage(const ImageInfo *image_info,Image *image) |
| { |
| char |
| buffer[MaxTextExtent], |
| format, |
| magick[MaxTextExtent]; |
| |
| const char |
| *value; |
| |
| IndexPacket |
| index; |
| |
| ssize_t |
| y; |
| |
| MagickBooleanType |
| status; |
| |
| MagickOffsetType |
| scene; |
| |
| QuantumAny |
| pixel; |
| |
| QuantumInfo |
| *quantum_info; |
| |
| QuantumType |
| quantum_type; |
| |
| register unsigned char |
| *pixels, |
| *q; |
| |
| size_t |
| extent, |
| packet_size; |
| |
| ssize_t |
| count; |
| |
| /* |
| Open output image 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); |
| scene=0; |
| do |
| { |
| /* |
| Write PNM file header. |
| */ |
| packet_size=3; |
| quantum_type=RGBQuantum; |
| (void) CopyMagickString(magick,image_info->magick,MaxTextExtent); |
| switch (magick[1]) |
| { |
| case 'A': |
| case 'a': |
| { |
| format='7'; |
| break; |
| } |
| case 'B': |
| case 'b': |
| { |
| format='4'; |
| if (image_info->compression == NoCompression) |
| format='1'; |
| break; |
| } |
| case 'F': |
| case 'f': |
| { |
| format='F'; |
| if (IsGrayImage(image,&image->exception) != MagickFalse) |
| format='f'; |
| break; |
| } |
| case 'G': |
| case 'g': |
| { |
| format='5'; |
| if (image_info->compression == NoCompression) |
| format='2'; |
| break; |
| } |
| case 'N': |
| case 'n': |
| { |
| if ((image_info->type != TrueColorType) && |
| (IsGrayImage(image,&image->exception) != MagickFalse)) |
| { |
| format='5'; |
| if (image_info->compression == NoCompression) |
| format='2'; |
| if (IsMonochromeImage(image,&image->exception) != MagickFalse) |
| { |
| format='4'; |
| if (image_info->compression == NoCompression) |
| format='1'; |
| } |
| break; |
| } |
| } |
| default: |
| { |
| format='6'; |
| if (image_info->compression == NoCompression) |
| format='3'; |
| break; |
| } |
| } |
| (void) FormatMagickString(buffer,MaxTextExtent,"P%c\n",format); |
| (void) WriteBlobString(image,buffer); |
| value=GetImageProperty(image,"comment"); |
| if (value != (const char *) NULL) |
| { |
| register const char |
| *p; |
| |
| /* |
| Write comments to file. |
| */ |
| (void) WriteBlobByte(image,'#'); |
| for (p=value; *p != '\0'; p++) |
| { |
| (void) WriteBlobByte(image,(unsigned char) *p); |
| if ((*p == '\r') && (*(p+1) != '\0')) |
| (void) WriteBlobByte(image,'#'); |
| if ((*p == '\n') && (*(p+1) != '\0')) |
| (void) WriteBlobByte(image,'#'); |
| } |
| (void) WriteBlobByte(image,'\n'); |
| } |
| if (format != '7') |
| { |
| if (image->colorspace != RGBColorspace) |
| (void) TransformImageColorspace(image,RGBColorspace); |
| (void) FormatMagickString(buffer,MaxTextExtent,"%.20g %.20g\n", |
| (double) image->columns,(double) image->rows); |
| (void) WriteBlobString(image,buffer); |
| } |
| else |
| { |
| char |
| type[MaxTextExtent]; |
| |
| /* |
| PAM header. |
| */ |
| (void) FormatMagickString(buffer,MaxTextExtent, |
| "WIDTH %.20g\nHEIGHT %.20g\n",(double) image->columns,(double) |
| image->rows); |
| (void) WriteBlobString(image,buffer); |
| quantum_type=GetQuantumType(image,&image->exception); |
| switch (quantum_type) |
| { |
| case CMYKQuantum: |
| case CMYKAQuantum: |
| { |
| packet_size=4; |
| (void) CopyMagickString(type,"CMYK",MaxTextExtent); |
| break; |
| } |
| case GrayQuantum: |
| case GrayAlphaQuantum: |
| { |
| packet_size=1; |
| (void) CopyMagickString(type,"GRAYSCALE",MaxTextExtent); |
| break; |
| } |
| default: |
| { |
| quantum_type=RGBQuantum; |
| if (image->matte != MagickFalse) |
| quantum_type=RGBAQuantum; |
| packet_size=3; |
| (void) CopyMagickString(type,"RGB",MaxTextExtent); |
| break; |
| } |
| } |
| if (image->matte != MagickFalse) |
| { |
| packet_size++; |
| (void) ConcatenateMagickString(type,"_ALPHA",MaxTextExtent); |
| } |
| if (image->depth > 16) |
| image->depth=16; |
| (void) FormatMagickString(buffer,MaxTextExtent, |
| "DEPTH %.20g\nMAXVAL %.20g\n",(double) packet_size,(double) |
| GetQuantumRange(image->depth)); |
| (void) WriteBlobString(image,buffer); |
| (void) FormatMagickString(buffer,MaxTextExtent,"TUPLTYPE %s\nENDHDR\n", |
| type); |
| (void) WriteBlobString(image,buffer); |
| } |
| /* |
| Convert runextent encoded to PNM raster pixels. |
| */ |
| switch (format) |
| { |
| case '1': |
| { |
| unsigned char |
| pixels[2048]; |
| |
| /* |
| Convert image to a PBM image. |
| */ |
| q=pixels; |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| register const PixelPacket |
| *restrict p; |
| |
| register ssize_t |
| x; |
| |
| p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); |
| if (p == (const PixelPacket *) NULL) |
| break; |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| pixel=PixelIntensityToQuantum(p); |
| *q++=(unsigned char) (pixel >= (Quantum) (QuantumRange/2) ? |
| '0' : '1'); |
| *q++=' '; |
| if ((q-pixels+2) >= 80) |
| { |
| *q++='\n'; |
| (void) WriteBlob(image,q-pixels,pixels); |
| q=pixels; |
| } |
| p++; |
| } |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
| image->rows); |
| if (status == MagickFalse) |
| break; |
| } |
| } |
| if (q != pixels) |
| { |
| *q++='\n'; |
| (void) WriteBlob(image,q-pixels,pixels); |
| } |
| break; |
| } |
| case '2': |
| { |
| unsigned char |
| pixels[2048]; |
| |
| /* |
| Convert image to a PGM image. |
| */ |
| if (image->depth <= 8) |
| (void) WriteBlobString(image,"255\n"); |
| else |
| (void) WriteBlobString(image,"65535\n"); |
| q=pixels; |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| register const PixelPacket |
| *restrict p; |
| |
| register ssize_t |
| x; |
| |
| p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); |
| if (p == (const PixelPacket *) NULL) |
| break; |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| index=PixelIntensityToQuantum(p); |
| if (image->depth <= 8) |
| count=(ssize_t) FormatMagickString(buffer,MaxTextExtent,"%u ", |
| ScaleQuantumToChar(index)); |
| else |
| count=(ssize_t) FormatMagickString(buffer,MaxTextExtent,"%u ", |
| ScaleQuantumToShort(index)); |
| extent=(size_t) count; |
| (void) strncpy((char *) q,buffer,extent); |
| q+=extent; |
| if ((q-pixels+extent) >= 80) |
| { |
| *q++='\n'; |
| (void) WriteBlob(image,q-pixels,pixels); |
| q=pixels; |
| } |
| p++; |
| } |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
| image->rows); |
| if (status == MagickFalse) |
| break; |
| } |
| } |
| if (q != pixels) |
| { |
| *q++='\n'; |
| (void) WriteBlob(image,q-pixels,pixels); |
| } |
| break; |
| } |
| case '3': |
| { |
| unsigned char |
| pixels[2048]; |
| |
| /* |
| Convert image to a PNM image. |
| */ |
| if (image->depth <= 8) |
| (void) WriteBlobString(image,"255\n"); |
| else |
| (void) WriteBlobString(image,"65535\n"); |
| q=pixels; |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| register const PixelPacket |
| *restrict p; |
| |
| register ssize_t |
| x; |
| |
| p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); |
| if (p == (const PixelPacket *) NULL) |
| break; |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| if (image->depth <= 8) |
| count=(ssize_t) FormatMagickString(buffer,MaxTextExtent, |
| "%u %u %u ",ScaleQuantumToChar(GetRedPixelComponent(p)), |
| ScaleQuantumToChar(GetGreenPixelComponent(p)), |
| ScaleQuantumToChar(GetBluePixelComponent(p))); |
| else |
| count=(ssize_t) FormatMagickString(buffer,MaxTextExtent, |
| "%u %u %u ",ScaleQuantumToShort(GetRedPixelComponent(p)), |
| ScaleQuantumToShort(GetGreenPixelComponent(p)), |
| ScaleQuantumToShort(GetBluePixelComponent(p))); |
| extent=(size_t) count; |
| (void) strncpy((char *) q,buffer,extent); |
| q+=extent; |
| if ((q-pixels+extent) >= 80) |
| { |
| *q++='\n'; |
| (void) WriteBlob(image,q-pixels,pixels); |
| q=pixels; |
| } |
| p++; |
| } |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
| image->rows); |
| if (status == MagickFalse) |
| break; |
| } |
| } |
| if (q != pixels) |
| { |
| *q++='\n'; |
| (void) WriteBlob(image,q-pixels,pixels); |
| } |
| break; |
| } |
| case '4': |
| { |
| /* |
| Convert image to a PBM image. |
| */ |
| image->depth=1; |
| quantum_info=AcquireQuantumInfo((const ImageInfo *) NULL,image); |
| if (quantum_info == (QuantumInfo *) NULL) |
| ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
| quantum_info->min_is_white=MagickTrue; |
| pixels=GetQuantumPixels(quantum_info); |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| register const PixelPacket |
| *restrict p; |
| |
| p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); |
| if (p == (const PixelPacket *) NULL) |
| break; |
| extent=ExportQuantumPixels(image,(const CacheView *) NULL, |
| quantum_info,GrayQuantum,pixels,&image->exception); |
| count=WriteBlob(image,extent,pixels); |
| if (count != (ssize_t) extent) |
| break; |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
| image->rows); |
| if (status == MagickFalse) |
| break; |
| } |
| } |
| quantum_info=DestroyQuantumInfo(quantum_info); |
| break; |
| } |
| case '5': |
| { |
| QuantumAny |
| range; |
| |
| /* |
| Convert image to a PGM image. |
| */ |
| if (image->depth > 8) |
| image->depth=16; |
| (void) FormatMagickString(buffer,MaxTextExtent,"%.20g\n",(double) |
| GetQuantumRange(image->depth)); |
| (void) WriteBlobString(image,buffer); |
| quantum_info=AcquireQuantumInfo((const ImageInfo *) NULL,image); |
| if (quantum_info == (QuantumInfo *) NULL) |
| ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
| quantum_info->min_is_white=MagickTrue; |
| pixels=GetQuantumPixels(quantum_info); |
| extent=GetQuantumExtent(image,quantum_info,GrayQuantum); |
| range=GetQuantumRange(image->depth); |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| register const PixelPacket |
| *restrict p; |
| |
| register ssize_t |
| x; |
| |
| p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); |
| if (p == (const PixelPacket *) NULL) |
| break; |
| q=pixels; |
| if ((image->depth == 8) || (image->depth == 16)) |
| extent=ExportQuantumPixels(image,(const CacheView *) NULL, |
| quantum_info,GrayQuantum,pixels,&image->exception); |
| else |
| { |
| if (image->depth <= 8) |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| if (IsGrayPixel(p) == MagickFalse) |
| pixel=ScaleQuantumToAny(PixelIntensityToQuantum(p),range); |
| else |
| { |
| if (image->depth == 8) |
| pixel=ScaleQuantumToChar(GetRedPixelComponent(p)); |
| else |
| pixel=ScaleQuantumToAny(p->red,range); |
| } |
| q=PopCharPixel((unsigned char) pixel,q); |
| p++; |
| } |
| else |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| if (IsGrayPixel(p) == MagickFalse) |
| pixel=ScaleQuantumToAny(PixelIntensityToQuantum(p),range); |
| else |
| { |
| if (image->depth == 16) |
| pixel=ScaleQuantumToShort(GetRedPixelComponent(p)); |
| else |
| pixel=ScaleQuantumToAny(p->red,range); |
| } |
| q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| p++; |
| } |
| extent=(size_t) (q-pixels); |
| } |
| count=WriteBlob(image,extent,pixels); |
| if (count != (ssize_t) extent) |
| break; |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
| image->rows); |
| if (status == MagickFalse) |
| break; |
| } |
| } |
| quantum_info=DestroyQuantumInfo(quantum_info); |
| break; |
| } |
| case '6': |
| { |
| QuantumAny |
| range; |
| |
| /* |
| Convert image to a PNM image. |
| */ |
| if (image->depth > 8) |
| image->depth=16; |
| (void) FormatMagickString(buffer,MaxTextExtent,"%.20g\n",(double) |
| GetQuantumRange(image->depth)); |
| (void) WriteBlobString(image,buffer); |
| quantum_info=AcquireQuantumInfo((const ImageInfo *) NULL,image); |
| if (quantum_info == (QuantumInfo *) NULL) |
| ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
| pixels=GetQuantumPixels(quantum_info); |
| extent=GetQuantumExtent(image,quantum_info,quantum_type); |
| range=GetQuantumRange(image->depth); |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| register const PixelPacket |
| *restrict p; |
| |
| register ssize_t |
| x; |
| |
| p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); |
| if (p == (const PixelPacket *) NULL) |
| break; |
| q=pixels; |
| if ((image->depth == 8) || (image->depth == 16)) |
| extent=ExportQuantumPixels(image,(const CacheView *) NULL, |
| quantum_info,quantum_type,pixels,&image->exception); |
| else |
| { |
| if (image->depth <= 8) |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| pixel=ScaleQuantumToAny(p->red,range); |
| q=PopCharPixel((unsigned char) pixel,q); |
| pixel=ScaleQuantumToAny(p->green,range); |
| q=PopCharPixel((unsigned char) pixel,q); |
| pixel=ScaleQuantumToAny(p->blue,range); |
| q=PopCharPixel((unsigned char) pixel,q); |
| p++; |
| } |
| else |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| pixel=ScaleQuantumToAny(p->red,range); |
| q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| pixel=ScaleQuantumToAny(p->green,range); |
| q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| pixel=ScaleQuantumToAny(p->blue,range); |
| q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| p++; |
| } |
| extent=(size_t) (q-pixels); |
| } |
| count=WriteBlob(image,extent,pixels); |
| if (count != (ssize_t) extent) |
| break; |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
| image->rows); |
| if (status == MagickFalse) |
| break; |
| } |
| } |
| quantum_info=DestroyQuantumInfo(quantum_info); |
| break; |
| } |
| case '7': |
| { |
| QuantumAny |
| range; |
| |
| /* |
| Convert image to a PAM. |
| */ |
| if (image->depth > 16) |
| image->depth=16; |
| quantum_info=AcquireQuantumInfo((const ImageInfo *) NULL,image); |
| pixels=GetQuantumPixels(quantum_info); |
| range=GetQuantumRange(image->depth); |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| register const IndexPacket |
| *restrict indexes; |
| |
| register const PixelPacket |
| *restrict p; |
| |
| register ssize_t |
| x; |
| |
| p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); |
| if (p == (const PixelPacket *) NULL) |
| break; |
| indexes=GetVirtualIndexQueue(image); |
| q=pixels; |
| if ((image->depth == 8) || (image->depth == 16)) |
| extent=ExportQuantumPixels(image,(const CacheView *) NULL, |
| quantum_info,quantum_type,pixels,&image->exception); |
| else |
| { |
| switch (quantum_type) |
| { |
| case GrayQuantum: |
| case GrayAlphaQuantum: |
| { |
| if (image->depth <= 8) |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| pixel=ScaleQuantumToAny(PixelIntensityToQuantum(p),range); |
| q=PopCharPixel((unsigned char) pixel,q); |
| if (image->matte != MagickFalse) |
| { |
| pixel=(unsigned char) ScaleQuantumToAny(p->opacity, |
| range); |
| q=PopCharPixel((unsigned char) pixel,q); |
| } |
| p++; |
| } |
| else |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| pixel=ScaleQuantumToAny(PixelIntensityToQuantum(p),range); |
| q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| if (image->matte != MagickFalse) |
| { |
| pixel=(unsigned char) ScaleQuantumToAny(p->opacity, |
| range); |
| q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| } |
| p++; |
| } |
| break; |
| } |
| case CMYKQuantum: |
| case CMYKAQuantum: |
| { |
| if (image->depth <= 8) |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| pixel=ScaleQuantumToAny(p->red,range); |
| q=PopCharPixel((unsigned char) pixel,q); |
| pixel=ScaleQuantumToAny(p->green,range); |
| q=PopCharPixel((unsigned char) pixel,q); |
| pixel=ScaleQuantumToAny(p->blue,range); |
| q=PopCharPixel((unsigned char) pixel,q); |
| pixel=ScaleQuantumToAny(indexes[x],range); |
| q=PopCharPixel((unsigned char) pixel,q); |
| if (image->matte != MagickFalse) |
| { |
| pixel=ScaleQuantumToAny((Quantum) (QuantumRange- |
| GetOpacityPixelComponent(p)),range); |
| q=PopCharPixel((unsigned char) pixel,q); |
| } |
| p++; |
| } |
| else |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| pixel=ScaleQuantumToAny(p->red,range); |
| q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| pixel=ScaleQuantumToAny(p->green,range); |
| q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| pixel=ScaleQuantumToAny(p->blue,range); |
| q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| pixel=ScaleQuantumToAny(indexes[x],range); |
| q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| if (image->matte != MagickFalse) |
| { |
| pixel=ScaleQuantumToAny((Quantum) (QuantumRange- |
| GetOpacityPixelComponent(p)),range); |
| q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| } |
| p++; |
| } |
| break; |
| } |
| default: |
| { |
| if (image->depth <= 8) |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| pixel=ScaleQuantumToAny(p->red,range); |
| q=PopCharPixel((unsigned char) pixel,q); |
| pixel=ScaleQuantumToAny(p->green,range); |
| q=PopCharPixel((unsigned char) pixel,q); |
| pixel=ScaleQuantumToAny(p->blue,range); |
| q=PopCharPixel((unsigned char) pixel,q); |
| if (image->matte != MagickFalse) |
| { |
| pixel=ScaleQuantumToAny((Quantum) (QuantumRange- |
| GetOpacityPixelComponent(p)),range); |
| q=PopCharPixel((unsigned char) pixel,q); |
| } |
| p++; |
| } |
| else |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| pixel=ScaleQuantumToAny(p->red,range); |
| q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| pixel=ScaleQuantumToAny(p->green,range); |
| q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| pixel=ScaleQuantumToAny(p->blue,range); |
| q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| if (image->matte != MagickFalse) |
| { |
| pixel=ScaleQuantumToAny((Quantum) (QuantumRange- |
| GetOpacityPixelComponent(p)),range); |
| q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| } |
| p++; |
| } |
| break; |
| } |
| } |
| extent=(size_t) (q-pixels); |
| } |
| count=WriteBlob(image,extent,pixels); |
| if (count != (ssize_t) extent) |
| break; |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
| image->rows); |
| if (status == MagickFalse) |
| break; |
| } |
| } |
| quantum_info=DestroyQuantumInfo(quantum_info); |
| break; |
| } |
| case 'F': |
| case 'f': |
| { |
| (void) WriteBlobString(image,image->endian != LSBEndian ? "1.0\n" : |
| "-1.0\n"); |
| image->depth=32; |
| quantum_type=format == 'f' ? GrayQuantum : RGBQuantum; |
| quantum_info=AcquireQuantumInfo((const ImageInfo *) NULL,image); |
| if (quantum_info == (QuantumInfo *) NULL) |
| ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
| status=SetQuantumFormat(image,quantum_info,FloatingPointQuantumFormat); |
| if (status == MagickFalse) |
| ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
| pixels=GetQuantumPixels(quantum_info); |
| for (y=(ssize_t) image->rows-1; y >= 0; y--) |
| { |
| register const PixelPacket |
| *restrict p; |
| |
| p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); |
| if (p == (const PixelPacket *) NULL) |
| break; |
| extent=ExportQuantumPixels(image,(const CacheView *) NULL, |
| quantum_info,quantum_type,pixels,&image->exception); |
| (void) WriteBlob(image,extent,pixels); |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
| image->rows); |
| if (status == MagickFalse) |
| break; |
| } |
| } |
| quantum_info=DestroyQuantumInfo(quantum_info); |
| break; |
| } |
| } |
| if (GetNextImageInList(image) == (Image *) NULL) |
| break; |
| image=SyncNextImageInList(image); |
| status=SetImageProgress(image,SaveImagesTag,scene++, |
| GetImageListLength(image)); |
| if (status == MagickFalse) |
| break; |
| } while (image_info->adjoin != MagickFalse); |
| (void) CloseBlob(image); |
| return(MagickTrue); |
| } |