| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % RRRR GGGG BBBB % |
| % R R G B B % |
| % RRRR G GG BBBB % |
| % R R G G B B % |
| % R R GGG BBBB % |
| % % |
| % % |
| % Read/Write Raw RGB Image Format % |
| % % |
| % Software Design % |
| % John Cristy % |
| % July 1992 % |
| % % |
| % % |
| % Copyright 1999-2008 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/colorspace.h" |
| #include "magick/constitute.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/monitor.h" |
| #include "magick/monitor-private.h" |
| #include "magick/pixel-private.h" |
| #include "magick/quantum-private.h" |
| #include "magick/static.h" |
| #include "magick/statistic.h" |
| #include "magick/string_.h" |
| #include "magick/module.h" |
| #include "magick/utility.h" |
| |
| /* |
| Forward declarations. |
| */ |
| static MagickBooleanType |
| WriteRGBImage(const ImageInfo *,Image *); |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % R e a d R G B I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % ReadRGBImage() reads an image of raw RGB or RGBA samples 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 ReadRGBImage method is: |
| % |
| % Image *ReadRGBImage(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 *ReadRGBImage(const ImageInfo *image_info,ExceptionInfo *exception) |
| { |
| Image |
| *canvas_image, |
| *image; |
| |
| MagickBooleanType |
| status; |
| |
| MagickOffsetType |
| scene; |
| |
| QuantumInfo |
| *quantum_info; |
| |
| QuantumType |
| quantum_type; |
| |
| Quantum |
| qx[4]; |
| |
| register ssize_t |
| i, |
| j; |
| |
| ssize_t |
| count, |
| y; |
| |
| size_t |
| channels, |
| length; |
| |
| unsigned char |
| *pixels; |
| |
| QuantumType |
| quantum_types[4]; |
| |
| char |
| sfx[] = {0, 0}; |
| |
| /* |
| 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); |
| if ((image->columns == 0) || (image->rows == 0)) |
| ThrowReaderException(OptionError,"MustSpecifyImageSize"); |
| if (image_info->interlace != PartitionInterlace) |
| { |
| status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); |
| if (status == MagickFalse) |
| { |
| image=DestroyImageList(image); |
| return((Image *) NULL); |
| } |
| for (i=0; i < image->offset; i++) |
| if (ReadBlobByte(image) == EOF) |
| { |
| ThrowFileException(exception,CorruptImageError, |
| "UnexpectedEndOfFile",image->filename); |
| break; |
| } |
| } |
| /* |
| Create virtual canvas to support cropping (i.e. image.rgb[100x100+10+20]). |
| */ |
| canvas_image=CloneImage(image,image->extract_info.width,1,MagickFalse, |
| exception); |
| (void) SetImageVirtualPixelMethod(canvas_image,BlackVirtualPixelMethod); |
| quantum_info=AcquireQuantumInfo(image_info,canvas_image); |
| if (quantum_info == (QuantumInfo *) NULL) |
| ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| pixels=GetQuantumPixels(quantum_info); |
| quantum_type=RGBQuantum; |
| for (i=0; i < 4; i++) |
| { |
| if (image_info->magick[i] == '\0') |
| break; |
| switch(image_info->magick[i]) |
| { |
| case 'R': quantum_types[i]=RedQuantum; break; |
| case 'G': quantum_types[i]=GreenQuantum; break; |
| case 'B': quantum_types[i]=BlueQuantum; break; |
| case 'A': quantum_types[i]=AlphaQuantum; break; |
| case 'O': quantum_types[i]=OpacityQuantum; break; |
| default: break; |
| } |
| } |
| channels=i; |
| if (LocaleCompare(image_info->magick,"BGRA") == 0) |
| { |
| quantum_type=BGRAQuantum; |
| image->matte=MagickTrue; |
| } |
| if (LocaleCompare(image_info->magick,"RGBA") == 0) |
| { |
| quantum_type=RGBAQuantum; |
| image->matte=MagickTrue; |
| } |
| if (LocaleCompare(image_info->magick,"RGBO") == 0) |
| { |
| quantum_type=RGBOQuantum; |
| channels=4; |
| } |
| if (image_info->number_scenes != 0) |
| while (image->scene < image_info->scene) |
| { |
| /* |
| Skip to next image. |
| */ |
| image->scene++; |
| length=GetQuantumExtent(canvas_image,quantum_info,quantum_type); |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| count=ReadBlob(image,length,pixels); |
| if (count != (ssize_t) length) |
| break; |
| } |
| } |
| count=0; |
| length=0; |
| scene=0; |
| do |
| { |
| /* |
| Read pixels to virtual canvas image then push to image. |
| */ |
| if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0)) |
| if (image->scene >= (image_info->scene+image_info->number_scenes-1)) |
| break; |
| switch (image_info->interlace) |
| { |
| case NoInterlace: |
| default: |
| { |
| /* |
| No interlacing: RGBRGBRGBRGBRGBRGB... |
| */ |
| if (scene == 0) |
| { |
| length=GetQuantumExtent(canvas_image,quantum_info,quantum_type); |
| count=ReadBlob(image,length,pixels); |
| if (count != (ssize_t) length) |
| break; |
| } |
| for (y=0; y < (ssize_t) image->extract_info.height; y++) |
| { |
| register const PixelPacket |
| *restrict p; |
| |
| register ssize_t |
| x; |
| |
| register PixelPacket |
| *restrict q; |
| |
| if (count != (ssize_t) length) |
| { |
| ThrowFileException(exception,CorruptImageError, |
| "UnexpectedEndOfFile",image->filename); |
| break; |
| } |
| q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, |
| exception); |
| if (q == (PixelPacket *) NULL) |
| break; |
| length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, |
| quantum_info,quantum_type,pixels,exception); |
| if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) |
| break; |
| if (((y-image->extract_info.y) >= 0) && |
| ((y-image->extract_info.y) < (ssize_t) image->rows)) |
| { |
| p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0, |
| canvas_image->columns,1,exception); |
| q=QueueAuthenticPixels(image,0,y-image->extract_info.y, |
| image->columns,1,exception); |
| if ((p == (const PixelPacket *) NULL) || |
| (q == (PixelPacket *) NULL)) |
| break; |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| qx[0]=GetRedPixelComponent(p); |
| qx[1]=GetGreenPixelComponent(p); |
| qx[2]=GetBluePixelComponent(p); |
| qx[3]=GetOpacityPixelComponent(p); |
| for (i=0; i < channels; i++) |
| switch(quantum_types[i]) |
| { |
| case RedQuantum: q->red=qx[i]; break; |
| case GreenQuantum: q->green=qx[i]; break; |
| case BlueQuantum: q->blue=qx[i]; break; |
| case AlphaQuantum: q->opacity=qx[i]; break; |
| case OpacityQuantum: q->opacity=qx[i]; break; |
| default: break; |
| } |
| p++; |
| q++; |
| } |
| if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| break; |
| } |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, |
| image->rows); |
| if (status == MagickFalse) |
| break; |
| } |
| count=ReadBlob(image,length,pixels); |
| } |
| break; |
| } |
| case LineInterlace: |
| { |
| /* |
| Line interlacing: RRR...GGG...BBB...RRR...GGG...BBB... |
| */ |
| if (scene == 0) |
| { |
| length=GetQuantumExtent(canvas_image,quantum_info,quantum_types[0]); |
| count=ReadBlob(image,length,pixels); |
| } |
| for (y=0; y < (ssize_t) image->extract_info.height; y++) |
| { |
| register const PixelPacket |
| *restrict p; |
| |
| register ssize_t |
| x; |
| |
| register PixelPacket |
| *restrict q; |
| |
| if (count != (ssize_t) length) |
| { |
| ThrowFileException(exception,CorruptImageError, |
| "UnexpectedEndOfFile",image->filename); |
| break; |
| } |
| for (i=0; i < channels; i++) |
| { |
| q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, |
| exception); |
| if (q == (PixelPacket *) NULL) |
| break; |
| length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, |
| quantum_info,quantum_types[i],pixels,exception); |
| if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) |
| break; |
| if (((y-image->extract_info.y) >= 0) && |
| ((y-image->extract_info.y) < (ssize_t) image->rows)) |
| { |
| p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x, |
| 0,canvas_image->columns,1,exception); |
| q=GetAuthenticPixels(image,0,y-image->extract_info.y, |
| image->columns,1,exception); |
| if ((p == (const PixelPacket *) NULL) || |
| (q == (PixelPacket *) NULL)) |
| break; |
| if (i == (channels - 1)) |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| SetRedPixelComponent(q,GetRedPixelComponent(p)); |
| SetGreenPixelComponent(q,GetGreenPixelComponent(p)); |
| SetBluePixelComponent(q,GetBluePixelComponent(p)); |
| SetOpacityPixelComponent(q,GetOpacityPixelComponent(p)); |
| p++; |
| q++; |
| } |
| if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| break; |
| } |
| count=ReadBlob(image,length,pixels); |
| } |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, |
| image->rows); |
| if (status == MagickFalse) |
| break; |
| } |
| } |
| break; |
| } |
| case PlaneInterlace: |
| { |
| /* |
| Plane interlacing: RRRRRR...GGGGGG...BBBBBB... |
| */ |
| if (scene == 0) |
| { |
| length=GetQuantumExtent(canvas_image,quantum_info,quantum_types[0]); |
| count=ReadBlob(image,length,pixels); |
| } |
| for (i=0; i < channels; i++) |
| { |
| for (y=0; y < (ssize_t) image->extract_info.height; y++) |
| { |
| register const PixelPacket |
| *restrict p; |
| |
| register ssize_t |
| x; |
| |
| register PixelPacket |
| *restrict q; |
| |
| if (count != (ssize_t) length) |
| { |
| ThrowFileException(exception,CorruptImageError, |
| "UnexpectedEndOfFile",image->filename); |
| break; |
| } |
| q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, |
| exception); |
| if (q == (PixelPacket *) NULL) |
| break; |
| length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, |
| quantum_info,quantum_types[i],pixels,exception); |
| if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) |
| break; |
| if (((y-image->extract_info.y) >= 0) && |
| ((y-image->extract_info.y) < (ssize_t) image->rows)) |
| { |
| p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0, |
| canvas_image->columns,1,exception); |
| q=GetAuthenticPixels(image,0,y-image->extract_info.y, |
| image->columns,1,exception); |
| if ((p == (const PixelPacket *) NULL) || |
| (q == (PixelPacket *) NULL)) |
| break; |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| switch(quantum_types[i]) |
| { |
| case RedQuantum: |
| { |
| SetRedPixelComponent(q,GetRedPixelComponent(p)); |
| break; |
| } |
| case GreenQuantum: |
| { |
| SetGreenPixelComponent(q,GetGreenPixelComponent(p)); |
| break; |
| } |
| case BlueQuantum: |
| { |
| SetBluePixelComponent(q,GetBluePixelComponent(p)); |
| break; |
| } |
| case OpacityQuantum: |
| case AlphaQuantum: |
| { |
| SetOpacityPixelComponent(q,GetOpacityPixelComponent(p)); |
| break; |
| } |
| default: |
| break; |
| } |
| p++; |
| q++; |
| } |
| if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| break; |
| } |
| count=ReadBlob(image,length,pixels); |
| } |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,LoadImageTag,(i+1),5); |
| if (status == MagickFalse) |
| break; |
| } |
| } |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,LoadImageTag,5,5); |
| if (status == MagickFalse) |
| break; |
| } |
| break; |
| } |
| case PartitionInterlace: |
| { |
| /* |
| Partition interlacing: RRRRRR..., GGGGGG..., BBBBBB... |
| */ |
| for (i=0; i < channels; i++) |
| { |
| sfx[0]=image_info->magick[i]; |
| AppendImageFormat(sfx,image->filename); |
| status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); |
| if (status == MagickFalse) |
| { |
| canvas_image=DestroyImageList(canvas_image); |
| image=DestroyImageList(image); |
| return((Image *) NULL); |
| } |
| if (i == 0) |
| for (j=0; j < image->offset; j++) |
| if (ReadBlobByte(image) == EOF) |
| { |
| ThrowFileException(exception,CorruptImageError, |
| "UnexpectedEndOfFile",image->filename); |
| break; |
| } |
| length=GetQuantumExtent(canvas_image,quantum_info,quantum_types[i]); |
| for (j=0; j < (ssize_t) scene; j++) |
| for (y=0; y < (ssize_t) image->extract_info.height; y++) |
| if (ReadBlob(image,length,pixels) != (ssize_t) length) |
| { |
| ThrowFileException(exception,CorruptImageError, |
| "UnexpectedEndOfFile",image->filename); |
| break; |
| } |
| count=ReadBlob(image,length,pixels); |
| for (y=0; y < (ssize_t) image->extract_info.height; y++) |
| { |
| register const PixelPacket |
| *restrict p; |
| |
| register ssize_t |
| x; |
| |
| register PixelPacket |
| *restrict q; |
| |
| if (count != (ssize_t) length) |
| { |
| ThrowFileException(exception,CorruptImageError, |
| "UnexpectedEndOfFile",image->filename); |
| break; |
| } |
| q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, |
| exception); |
| if (q == (PixelPacket *) NULL) |
| break; |
| length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, |
| quantum_info,quantum_types[i],pixels,exception); |
| if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) |
| break; |
| if (((y-image->extract_info.y) >= 0) && |
| ((y-image->extract_info.y) < (ssize_t) image->rows)) |
| { |
| p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0, |
| canvas_image->columns,1,exception); |
| q=GetAuthenticPixels(image,0,y-image->extract_info.y, |
| image->columns,1,exception); |
| if ((p == (const PixelPacket *) NULL) || |
| (q == (PixelPacket *) NULL)) |
| break; |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| switch(quantum_types[i]) |
| { |
| case RedQuantum: |
| { |
| SetRedPixelComponent(q,GetRedPixelComponent(p)); |
| break; |
| } |
| case GreenQuantum: |
| { |
| SetGreenPixelComponent(q,GetGreenPixelComponent(p)); |
| break; |
| } |
| case BlueQuantum: |
| { |
| SetBluePixelComponent(q,GetBluePixelComponent(p)); |
| break; |
| } |
| case OpacityQuantum: |
| case AlphaQuantum: |
| { |
| SetOpacityPixelComponent(q,GetOpacityPixelComponent(p)); |
| break; |
| } |
| default: |
| break; |
| } |
| p++; |
| q++; |
| } |
| if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| break; |
| } |
| count=ReadBlob(image,length,pixels); |
| } |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,LoadImageTag,(i+1),5); |
| if (status == MagickFalse) |
| break; |
| } |
| if (i != (channels-1)) |
| (void) CloseBlob(image); |
| } |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,LoadImageTag,5,5); |
| if (status == MagickFalse) |
| break; |
| } |
| break; |
| } |
| } |
| SetQuantumImageType(image,quantum_type); |
| /* |
| Proceed to next image. |
| */ |
| if (image_info->number_scenes != 0) |
| if (image->scene >= (image_info->scene+image_info->number_scenes-1)) |
| break; |
| if (count == (ssize_t) length) |
| { |
| /* |
| 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; |
| } |
| scene++; |
| } while (count == (ssize_t) length); |
| quantum_info=DestroyQuantumInfo(quantum_info); |
| InheritException(&image->exception,&canvas_image->exception); |
| canvas_image=DestroyImage(canvas_image); |
| (void) CloseBlob(image); |
| return(GetFirstImageInList(image)); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % R e g i s t e r R G B I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % RegisterRGBImage() adds attributes for the RGB or RGBA 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 RegisterRGBImage method is: |
| % |
| % size_t RegisterRGBImage(void) |
| % |
| */ |
| ModuleExport size_t RegisterRGBImage(void) |
| { |
| MagickInfo |
| *entry; |
| |
| entry=SetMagickInfo("RGB"); |
| entry->decoder=(DecodeImageHandler *) ReadRGBImage; |
| entry->encoder=(EncodeImageHandler *) WriteRGBImage; |
| entry->raw=MagickTrue; |
| entry->endian_support=MagickTrue; |
| entry->description=ConstantString("Raw red, green, and blue samples"); |
| entry->module=ConstantString("RGB"); |
| (void) RegisterMagickInfo(entry); |
| entry=SetMagickInfo("RBG"); |
| entry->decoder=(DecodeImageHandler *) ReadRGBImage; |
| entry->encoder=(EncodeImageHandler *) WriteRGBImage; |
| entry->raw=MagickTrue; |
| entry->endian_support=MagickTrue; |
| entry->description=ConstantString("Raw red, blue, and green samples"); |
| entry->module=ConstantString("RGB"); |
| (void) RegisterMagickInfo(entry); |
| entry=SetMagickInfo("GRB"); |
| entry->decoder=(DecodeImageHandler *) ReadRGBImage; |
| entry->encoder=(EncodeImageHandler *) WriteRGBImage; |
| entry->raw=MagickTrue; |
| entry->endian_support=MagickTrue; |
| entry->description=ConstantString("Raw green, red, and blue samples"); |
| entry->module=ConstantString("RGB"); |
| (void) RegisterMagickInfo(entry); |
| entry=SetMagickInfo("GBR"); |
| entry->decoder=(DecodeImageHandler *) ReadRGBImage; |
| entry->encoder=(EncodeImageHandler *) WriteRGBImage; |
| entry->raw=MagickTrue; |
| entry->endian_support=MagickTrue; |
| entry->description=ConstantString("Raw green, blue, and red samples"); |
| entry->module=ConstantString("RGB"); |
| (void) RegisterMagickInfo(entry); |
| entry=SetMagickInfo("BRG"); |
| entry->decoder=(DecodeImageHandler *) ReadRGBImage; |
| entry->encoder=(EncodeImageHandler *) WriteRGBImage; |
| entry->raw=MagickTrue; |
| entry->endian_support=MagickTrue; |
| entry->description=ConstantString("Raw blue, red, and green samples"); |
| entry->module=ConstantString("RGB"); |
| (void) RegisterMagickInfo(entry); |
| entry=SetMagickInfo("BGR"); |
| entry->decoder=(DecodeImageHandler *) ReadRGBImage; |
| entry->encoder=(EncodeImageHandler *) WriteRGBImage; |
| entry->raw=MagickTrue; |
| entry->endian_support=MagickTrue; |
| entry->description=ConstantString("Raw blue, green, and red samples"); |
| entry->module=ConstantString("RGB"); |
| (void) RegisterMagickInfo(entry); |
| entry=SetMagickInfo("BGRA"); |
| entry->decoder=(DecodeImageHandler *) ReadRGBImage; |
| entry->encoder=(EncodeImageHandler *) WriteRGBImage; |
| entry->raw=MagickTrue; |
| entry->endian_support=MagickTrue; |
| entry->description=ConstantString("Raw blue, green, red and alpha samples"); |
| entry->module=ConstantString("RGB"); |
| (void) RegisterMagickInfo(entry); |
| entry=SetMagickInfo("RGBA"); |
| entry->decoder=(DecodeImageHandler *) ReadRGBImage; |
| entry->encoder=(EncodeImageHandler *) WriteRGBImage; |
| entry->raw=MagickTrue; |
| entry->endian_support=MagickTrue; |
| entry->description=ConstantString("Raw red, green, blue, and alpha samples"); |
| entry->module=ConstantString("RGB"); |
| (void) RegisterMagickInfo(entry); |
| entry=SetMagickInfo("RGBO"); |
| entry->decoder=(DecodeImageHandler *) ReadRGBImage; |
| entry->encoder=(EncodeImageHandler *) WriteRGBImage; |
| entry->raw=MagickTrue; |
| entry->endian_support=MagickTrue; |
| entry->description=ConstantString("Raw red, green, blue, and opacity " |
| "samples"); |
| entry->module=ConstantString("RGB"); |
| (void) RegisterMagickInfo(entry); |
| return(MagickImageCoderSignature); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % U n r e g i s t e r R G B I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % UnregisterRGBImage() removes format registrations made by the |
| % RGB module from the list of supported formats. |
| % |
| % The format of the UnregisterRGBImage method is: |
| % |
| % UnregisterRGBImage(void) |
| % |
| */ |
| ModuleExport void UnregisterRGBImage(void) |
| { |
| (void) UnregisterMagickInfo("RGBO"); |
| (void) UnregisterMagickInfo("RGBA"); |
| (void) UnregisterMagickInfo("BGR"); |
| (void) UnregisterMagickInfo("BGRA"); |
| (void) UnregisterMagickInfo("BRG"); |
| (void) UnregisterMagickInfo("GBR"); |
| (void) UnregisterMagickInfo("GRB"); |
| (void) UnregisterMagickInfo("RBG"); |
| (void) UnregisterMagickInfo("RGB"); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % W r i t e R G B I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % WriteRGBImage() writes an image to a file in the RGB or RGBA rasterfile |
| % format. |
| % |
| % The format of the WriteRGBImage method is: |
| % |
| % MagickBooleanType WriteRGBImage(const ImageInfo *image_info,Image *image) |
| % |
| % A description of each parameter follows. |
| % |
| % o image_info: the image info. |
| % |
| % o image: The image. |
| % |
| */ |
| static MagickBooleanType WriteRGBImage(const ImageInfo *image_info,Image *image) |
| { |
| ssize_t |
| y; |
| |
| MagickBooleanType |
| status; |
| |
| MagickOffsetType |
| scene; |
| |
| QuantumInfo |
| *quantum_info; |
| |
| QuantumType |
| quantum_type, |
| quantum_types[4]; |
| |
| register ssize_t |
| i; |
| |
| ssize_t |
| count; |
| |
| size_t |
| length; |
| |
| unsigned char |
| *pixels; |
| |
| size_t |
| channels; |
| |
| /* |
| Allocate memory for pixels. |
| */ |
| 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); |
| if (image_info->interlace != PartitionInterlace) |
| { |
| /* |
| Open output image file. |
| */ |
| status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); |
| if (status == MagickFalse) |
| return(status); |
| } |
| quantum_type=RGBQuantum; |
| if (LocaleCompare(image_info->magick,"BGRA") == 0) |
| { |
| quantum_type=BGRAQuantum; |
| image->matte=MagickTrue; |
| } |
| if (LocaleCompare(image_info->magick,"RGBA") == 0) |
| { |
| quantum_type=RGBAQuantum; |
| image->matte=MagickTrue; |
| } |
| if (LocaleCompare(image_info->magick,"RGBO") == 0) |
| { |
| quantum_type=RGBOQuantum; |
| channels=4; |
| } |
| for (i=0; i < 4; i++) |
| { |
| if (image_info->magick[i] == '\0') |
| break; |
| switch(image_info->magick[i]) |
| { |
| case 'R': quantum_types[i]=RedQuantum; break; |
| case 'G': quantum_types[i]=GreenQuantum; break; |
| case 'B': quantum_types[i]=BlueQuantum; break; |
| case 'A': quantum_types[i]=AlphaQuantum; break; |
| case 'O': quantum_types[i]=OpacityQuantum; break; |
| default: break; |
| } |
| } |
| channels=i; |
| scene=0; |
| do |
| { |
| /* |
| Convert MIFF to RGB raster pixels. |
| */ |
| if (image->colorspace != RGBColorspace) |
| (void) TransformImageColorspace(image,RGBColorspace); |
| if ((LocaleCompare(image_info->magick,"RGBA") == 0) && |
| (image->matte == MagickFalse)) |
| (void) SetImageAlphaChannel(image,ResetAlphaChannel); |
| quantum_info=AcquireQuantumInfo(image_info,image); |
| if (quantum_info == (QuantumInfo *) NULL) |
| ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
| pixels=GetQuantumPixels(quantum_info); |
| switch (image_info->interlace) |
| { |
| case NoInterlace: |
| default: |
| { |
| CacheView |
| *image_view; |
| |
| PixelPacket |
| px; |
| |
| Quantum |
| *qx[4]; |
| |
| /* |
| No interlacing: RGBRGBRGBRGBRGBRGB... |
| */ |
| image_view=AcquireCacheView(image); |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| register ssize_t |
| x; |
| |
| register PixelPacket |
| *restrict q; |
| |
| q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1, |
| &image->exception); |
| if (q == (PixelPacket *) NULL) |
| break; |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| px=(*q); |
| qx[0]=&(q->red); |
| qx[1]=&(q->green); |
| qx[2]=&(q->blue); |
| qx[3]=&(q->opacity); |
| for (i=0; i < channels; i++) |
| switch (quantum_types[i]) |
| { |
| case RedQuantum: *qx[i]=px.red; break; |
| case GreenQuantum: *qx[i]=px.green; break; |
| case BlueQuantum: *qx[i]=px.blue; break; |
| case AlphaQuantum: *qx[i]=px.opacity; break; |
| case OpacityQuantum: *qx[i]=px.opacity; break; |
| default: break; |
| } |
| q++; |
| } |
| length=ExportQuantumPixels(image,image_view,quantum_info,quantum_type, |
| pixels,&image->exception); |
| count=WriteBlob(image,length,pixels); |
| if (count != (ssize_t) length) |
| break; |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
| image->rows); |
| if (status == MagickFalse) |
| break; |
| } |
| } |
| image_view=DestroyCacheView(image_view); |
| break; |
| } |
| case LineInterlace: |
| { |
| /* |
| Line interlacing: RRR...GGG...BBB...RRR...GGG...BBB... |
| */ |
| 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; |
| for (i=0; i < (ssize_t) channels; i++) |
| { |
| length=ExportQuantumPixels(image,(const CacheView *) NULL, |
| quantum_info,quantum_types[i],pixels,&image->exception); |
| count=WriteBlob(image,length,pixels); |
| if (count != (ssize_t) length) |
| break; |
| } |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
| image->rows); |
| if (status == MagickFalse) |
| break; |
| } |
| } |
| break; |
| } |
| case PlaneInterlace: |
| { |
| /* |
| Plane interlacing: RRRRRR...GGGGGG...BBBBBB... |
| */ |
| for (i=0; i < (ssize_t) channels; i++) |
| { |
| 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; |
| length=ExportQuantumPixels(image,(const CacheView *) NULL, |
| quantum_info,quantum_types[i],pixels,&image->exception); |
| count=WriteBlob(image,length,pixels); |
| if (count != (ssize_t) length) |
| break; |
| } |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,SaveImageTag,(i+1),5); |
| if (status == MagickFalse) |
| break; |
| } |
| } |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,SaveImageTag,5,5); |
| if (status == MagickFalse) |
| break; |
| } |
| break; |
| } |
| case PartitionInterlace: |
| { |
| char |
| sfx[] = {0, 0}; |
| |
| /* |
| Partition interlacing: RRRRRR..., GGGGGG..., BBBBBB... |
| */ |
| for (i=0; i < (ssize_t) channels; i++) |
| { |
| sfx[0]=image_info->magick[i]; |
| AppendImageFormat(sfx,image->filename); |
| status=OpenBlob(image_info,image,scene == 0 ? WriteBinaryBlobMode : |
| AppendBinaryBlobMode,&image->exception); |
| if (status == MagickFalse) |
| return(status); |
| 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; |
| length=ExportQuantumPixels(image,(const CacheView *) NULL, |
| quantum_info,quantum_types[i],pixels,&image->exception); |
| count=WriteBlob(image,length,pixels); |
| if (count != (ssize_t) length) |
| break; |
| } |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,SaveImageTag,(i+1),5); |
| if (status == MagickFalse) |
| break; |
| } |
| (void) CloseBlob(image); |
| } |
| (void) CopyMagickString(image->filename,image_info->filename, |
| MaxTextExtent); |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,SaveImageTag,5,5); |
| if (status == MagickFalse) |
| break; |
| } |
| break; |
| } |
| } |
| quantum_info=DestroyQuantumInfo(quantum_info); |
| 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); |
| } |