/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % 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 % % Cristy % % April 2004 % % % % % % Copyright 1999-2021 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 % % % % https://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/blob.h" #include "MagickCore/blob-private.h" #include "MagickCore/cache.h" #include "MagickCore/color-private.h" #include "MagickCore/colorspace.h" #include "MagickCore/colorspace-private.h" #include "MagickCore/constitute.h" #include "MagickCore/exception.h" #include "MagickCore/exception-private.h" #include "MagickCore/image.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/property.h" #include "MagickCore/quantize.h" #include "MagickCore/quantum-private.h" #include "MagickCore/static.h" #include "MagickCore/string_.h" #include "MagickCore/module.h" #include "MagickCore/utility.h" /* Forward declarations. */ static MagickBooleanType WriteCIPImage(const ImageInfo *,Image *,ExceptionInfo *); /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % 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: % % size_t RegisterCIPImage(void) % */ ModuleExport size_t RegisterCIPImage(void) { MagickInfo *entry; entry=AcquireMagickInfo("CIP","CIP","Cisco IP phone image format"); entry->encoder=(EncodeImageHandler *) WriteCIPImage; entry->flags^=CoderAdjoinFlag; (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,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 WriteCIPImage(const ImageInfo *image_info,Image *image, ExceptionInfo *exception) { char buffer[MagickPathExtent]; const char *value; MagickBooleanType status; const Quantum *p; ssize_t i, x; ssize_t y; unsigned char byte; /* Open output image file. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickCoreSignature); assert(image != (Image *) NULL); assert(image->signature == MagickCoreSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickCoreSignature); status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); if (status == MagickFalse) return(status); (void) WriteBlobString(image,"\n"); value=GetImageProperty(image,"label",exception); if (value != (const char *) NULL) (void) FormatLocaleString(buffer,MagickPathExtent,"%s\n", value); else { char basename[MagickPathExtent]; GetPathComponent(image->filename,BasePath,basename); (void) FormatLocaleString(buffer,MagickPathExtent,"%s\n", basename); } (void) WriteBlobString(image,buffer); (void) FormatLocaleString(buffer,MagickPathExtent, "%.20g\n",(double) image->page.x); (void) WriteBlobString(image,buffer); (void) FormatLocaleString(buffer,MagickPathExtent, "%.20g\n",(double) image->page.y); (void) WriteBlobString(image,buffer); (void) FormatLocaleString(buffer,MagickPathExtent,"%.20g\n", (double) (image->columns+(image->columns % 2))); (void) WriteBlobString(image,buffer); (void) FormatLocaleString(buffer,MagickPathExtent,"%.20g\n", (double) image->rows); (void) WriteBlobString(image,buffer); (void) FormatLocaleString(buffer,MagickPathExtent,"2\n"); (void) WriteBlobString(image,buffer); (void) WriteBlobString(image,""); (void) TransformImageColorspace(image,sRGBColorspace,exception); for (y=0; y < (ssize_t) image->rows; y++) { p=GetVirtualPixels(image,0,y,image->columns,1,exception); if (p == (const Quantum *) NULL) break; for (x=0; x < ((ssize_t) image->columns-3); x+=4) { byte=(unsigned char) ((((size_t) (3*ClampToQuantum(GetPixelLuma(image,p+3*GetPixelChannels(image)))/QuantumRange) & 0x03) << 6) | (((size_t) (3*ClampToQuantum(GetPixelLuma(image,p+2*GetPixelChannels(image)))/QuantumRange) & 0x03) << 4) | (((size_t) (3*ClampToQuantum(GetPixelLuma(image,p+1*GetPixelChannels(image)))/QuantumRange) & 0x03) << 2) | (((size_t) (3*ClampToQuantum(GetPixelLuma(image,p+0*GetPixelChannels(image)))/QuantumRange) & 0x03) << 0)); (void) FormatLocaleString(buffer,MagickPathExtent,"%02x",byte); (void) WriteBlobString(image,buffer); p+=GetPixelChannels(image); } if ((image->columns % 4) != 0) { byte=0; for ( ; x < (ssize_t) image->columns; x++) { i=x % 4; switch (i) { case 0: { byte|=(unsigned char) (((size_t) (3*ClampToQuantum(GetPixelLuma( image,p+MagickMin(i,3)*GetPixelChannels(image)))/ QuantumRange) & 0x03) << 6); break; } case 1: { byte|=(unsigned char) (((size_t) (3*ClampToQuantum(GetPixelLuma( image,p+MagickMin(i,2)*GetPixelChannels(image)))/ QuantumRange) & 0x03) << 4); break; } case 2: { byte|=(unsigned char) (((size_t) (3*ClampToQuantum(GetPixelLuma( image,p+MagickMin(i,1)*GetPixelChannels(image)))/ QuantumRange) & 0x03) << 2); break; } case 3: { byte|=(unsigned char) (((size_t) (3*ClampToQuantum(GetPixelLuma( image,p+MagickMin(i,0)*GetPixelChannels(image)))/ QuantumRange) & 0x03) << 0); break; } } } (void) FormatLocaleString(buffer,MagickPathExtent,"%02x",~byte); (void) WriteBlobString(image,buffer); } status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } (void) WriteBlobString(image,"\n"); (void) WriteBlobString(image,"\n"); (void) CloseBlob(image); return(MagickTrue); }