| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % M M AAA TTTTT TTTTT EEEEE % |
| % MM MM A A T T E % |
| % M M M AAAAA T T EEE % |
| % M M A A T T E % |
| % M M A A T T EEEEE % |
| % % |
| % % |
| % Write Matte Channel To MIFF File. % |
| % % |
| % Software Design % |
| % John Cristy % |
| % July 1992 % |
| % % |
| % % |
| % Copyright 1999-2013 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 "MagickCore/studio.h" |
| #include "MagickCore/attribute.h" |
| #include "MagickCore/blob.h" |
| #include "MagickCore/blob-private.h" |
| #include "MagickCore/cache.h" |
| #include "MagickCore/constitute.h" |
| #include "MagickCore/exception.h" |
| #include "MagickCore/exception-private.h" |
| #include "MagickCore/image-private.h" |
| #include "MagickCore/list.h" |
| #include "MagickCore/magick.h" |
| #include "MagickCore/memory_.h" |
| #include "MagickCore/monitor.h" |
| #include "MagickCore/monitor-private.h" |
| #include "MagickCore/pixel-accessor.h" |
| #include "MagickCore/quantum-private.h" |
| #include "MagickCore/static.h" |
| #include "MagickCore/string_.h" |
| #include "MagickCore/module.h" |
| |
| /* |
| Forward declarations. |
| */ |
| static MagickBooleanType |
| WriteMATTEImage(const ImageInfo *,Image *,ExceptionInfo *); |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % R e g i s t e r M A T T E I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % RegisterMATTEImage() adds attributes for the MATTE 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 RegisterMATTEImage method is: |
| % |
| % size_t RegisterMATTEImage(void) |
| % |
| */ |
| ModuleExport size_t RegisterMATTEImage(void) |
| { |
| MagickInfo |
| *entry; |
| |
| entry=SetMagickInfo("MATTE"); |
| entry->encoder=(EncodeImageHandler *) WriteMATTEImage; |
| entry->format_type=ExplicitFormatType; |
| entry->description=ConstantString("MATTE format"); |
| entry->module=ConstantString("MATTE"); |
| (void) RegisterMagickInfo(entry); |
| return(MagickImageCoderSignature); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % U n r e g i s t e r M A T T E I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % UnregisterMATTEImage() removes format registrations made by the |
| % MATTE module from the list of supported formats. |
| % |
| % The format of the UnregisterMATTEImage method is: |
| % |
| % UnregisterMATTEImage(void) |
| % |
| */ |
| ModuleExport void UnregisterMATTEImage(void) |
| { |
| (void) UnregisterMagickInfo("MATTE"); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % W r i t e M A T T E I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % WriteMATTEImage() writes an image of matte bytes to a file. It consists of |
| % data from the matte component of the image [0..255]. |
| % |
| % The format of the WriteMATTEImage method is: |
| % |
| % MagickBooleanType WriteMATTEImage(const ImageInfo *image_info, |
| % Image *image,ExceptionInfo *exception) |
| % |
| % A description of each parameter follows. |
| % |
| % o image_info: the image info. |
| % |
| % o image: The image. |
| % |
| % o exception: return any errors or warnings in this structure. |
| % |
| */ |
| static MagickBooleanType WriteMATTEImage(const ImageInfo *image_info, |
| Image *image,ExceptionInfo *exception) |
| { |
| Image |
| *matte_image; |
| |
| MagickBooleanType |
| status; |
| |
| register const Quantum |
| *p; |
| |
| register ssize_t |
| x; |
| |
| register Quantum |
| *q; |
| |
| ssize_t |
| y; |
| |
| if (image->alpha_trait != BlendPixelTrait) |
| ThrowWriterException(CoderError,"ImageDoesNotHaveAAlphaChannel"); |
| matte_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception); |
| if (matte_image == (Image *) NULL) |
| return(MagickFalse); |
| (void) SetImageType(matte_image,TrueColorMatteType,exception); |
| matte_image->alpha_trait=UndefinedPixelTrait; |
| /* |
| Convert image to matte pixels. |
| */ |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
| q=QueueAuthenticPixels(matte_image,0,y,matte_image->columns,1,exception); |
| if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
| break; |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| SetPixelRed(matte_image,GetPixelAlpha(image,p),q); |
| SetPixelGreen(matte_image,GetPixelAlpha(image,p),q); |
| SetPixelBlue(matte_image,GetPixelAlpha(image,p),q); |
| SetPixelAlpha(matte_image,OpaqueAlpha,q); |
| p+=GetPixelChannels(image); |
| q+=GetPixelChannels(matte_image); |
| } |
| if (SyncAuthenticPixels(matte_image,exception) == MagickFalse) |
| break; |
| status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
| image->rows); |
| if (status == MagickFalse) |
| break; |
| } |
| (void) FormatLocaleString(matte_image->filename,MaxTextExtent, |
| "MIFF:%s",image->filename); |
| status=WriteImage(image_info,matte_image,exception); |
| matte_image=DestroyImage(matte_image); |
| return(status); |
| } |