/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % CCCC IIIII PPPP % % C I P P % % C I PPPP % % C I P % % CCCC IIIII P % % % % % % Read/Write Cisco IP Phone Image Format % % % % Software Design % % John Cristy % % April 2004 % % % % % % Copyright 1999-2010 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-private.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/property.h" #include "magick/quantize.h" #include "magick/quantum-private.h" #include "magick/static.h" #include "magick/string_.h" #include "magick/module.h" #include "magick/utility.h" /* Forward declarations. */ static MagickBooleanType WriteCIPImage(const ImageInfo *,Image *); /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e g i s t e r C I P I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % RegisterCIPImage() adds properties for the CIP IP phone 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 RegisterCIPImage method is: % % unsigned long RegisterCIPImage(void) % */ ModuleExport unsigned long RegisterCIPImage(void) { MagickInfo *entry; entry=SetMagickInfo("CIP"); entry->encoder=(EncodeImageHandler *) WriteCIPImage; entry->adjoin=MagickFalse; entry->description=ConstantString("Cisco IP phone image format"); entry->module=ConstantString("CIP"); (void) RegisterMagickInfo(entry); return(MagickImageCoderSignature); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U n r e g i s t e r C I P I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % UnregisterCIPImage() removes format registrations made by the % CIP module from the list of supported formats. % % The format of the UnregisterCIPImage method is: % % UnregisterCIPImage(void) % */ ModuleExport void UnregisterCIPImage(void) { (void) UnregisterMagickInfo("CIP"); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e C I P I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure WriteCIPImage() writes an image to a file in the Cisco IP phone % image format. % % The format of the WriteCIPImage method is: % % MagickBooleanType WriteCIPImage(const ImageInfo *image_info,Image *image) % % A description of each parameter follows. % % o image_info: the image info. % % o image: The image. % */ static inline long MagickMin(const long x,const long y) { if (x < y) return(x); return(y); } static MagickBooleanType WriteCIPImage(const ImageInfo *image_info,Image *image) { char buffer[MaxTextExtent]; const char *value; long y; MagickBooleanType status; register const PixelPacket *p; register long i, x; unsigned char byte; /* 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); (void) WriteBlobString(image,"\n"); value=GetImageProperty(image,"label"); if (value != (const char *) NULL) (void) FormatMagickString(buffer,MaxTextExtent,"%s\n",value); else { char basename[MaxTextExtent]; GetPathComponent(image->filename,BasePath,basename); (void) FormatMagickString(buffer,MaxTextExtent,"%s\n", basename); } (void) WriteBlobString(image,buffer); (void) FormatMagickString(buffer,MaxTextExtent,"%ld\n", image->page.x); (void) WriteBlobString(image,buffer); (void) FormatMagickString(buffer,MaxTextExtent,"%ld\n", image->page.y); (void) WriteBlobString(image,buffer); (void) FormatMagickString(buffer,MaxTextExtent,"%lu\n", image->columns+(image->columns % 2)); (void) WriteBlobString(image,buffer); (void) FormatMagickString(buffer,MaxTextExtent,"%lu\n", image->rows); (void) WriteBlobString(image,buffer); (void) FormatMagickString(buffer,MaxTextExtent,"2\n"); (void) WriteBlobString(image,buffer); (void) WriteBlobString(image,""); if (image->colorspace != RGBColorspace) (void) TransformImageColorspace(image,RGBColorspace); for (y=0; y < (long) image->rows; y++) { p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); if (p == (const PixelPacket *) NULL) break; for (x=0; x < ((long) image->columns-3); x+=4) { byte=(unsigned char) ((((unsigned long) (4*PixelIntensityToQuantum(p+3)/QuantumRange) & 0x03) << 6) | (((unsigned long) (4*PixelIntensityToQuantum(p+2)/QuantumRange) & 0x03) << 4) | (((unsigned long) (4*PixelIntensityToQuantum(p+1)/QuantumRange) & 0x03) << 2) | (((unsigned long) (4*PixelIntensityToQuantum(p+0)/QuantumRange) & 0x03) << 0)); (void) FormatMagickString(buffer,MaxTextExtent,"%02x",byte); (void) WriteBlobString(image,buffer); p+=4; } if ((image->columns % 4) != 0) { i=(long) image->columns % 4; byte=(unsigned char) ((((unsigned long) (4*PixelIntensityToQuantum(p+MagickMin(i,3))/QuantumRange) & 0x03) << 6) | (((unsigned long) (4*PixelIntensityToQuantum(p+MagickMin(i,2))/QuantumRange) & 0x03) << 4) | (((unsigned long) (4*PixelIntensityToQuantum(p+MagickMin(i,1))/QuantumRange) & 0x03) << 2) | (((unsigned long) (4*PixelIntensityToQuantum(p+MagickMin(i,0))/QuantumRange) & 0x03) << 0)); (void) FormatMagickString(buffer,MaxTextExtent,"%02x",~byte); (void) WriteBlobString(image,buffer); } status=SetImageProgress(image,SaveImageTag,y,image->rows); if (status == MagickFalse) break; } (void) WriteBlobString(image,"\n"); (void) WriteBlobString(image,"\n"); (void) CloseBlob(image); return(MagickTrue); }