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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% CCCC IIIII PPPP %
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% C I P P %
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% C I PPPP %
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% C I P %
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% CCCC IIIII P %
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% %
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% %
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% Read/Write Cisco IP Phone Image Format %
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% %
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% Software Design %
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% Cristy %
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% April 2004 %
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% %
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% %
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% Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization %
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% dedicated to making software imaging solutions freely available. %
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% %
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% You may not use this file except in compliance with the License. You may %
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% obtain a copy of the License at %
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% %
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% https://imagemagick.org/script/license.php %
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% %
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% Unless required by applicable law or agreed to in writing, software %
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% distributed under the License is distributed on an "AS IS" BASIS, %
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% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
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% See the License for the specific language governing permissions and %
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% limitations under the License. %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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%
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*/
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/*
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Include declarations.
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*/
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#include "MagickCore/studio.h"
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#include "MagickCore/blob.h"
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#include "MagickCore/blob-private.h"
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#include "MagickCore/cache.h"
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#include "MagickCore/color-private.h"
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#include "MagickCore/colorspace.h"
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#include "MagickCore/colorspace-private.h"
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#include "MagickCore/constitute.h"
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#include "MagickCore/exception.h"
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#include "MagickCore/exception-private.h"
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#include "MagickCore/image.h"
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#include "MagickCore/image-private.h"
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#include "MagickCore/list.h"
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#include "MagickCore/magick.h"
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#include "MagickCore/memory_.h"
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#include "MagickCore/monitor.h"
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#include "MagickCore/monitor-private.h"
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#include "MagickCore/pixel-accessor.h"
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#include "MagickCore/property.h"
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#include "MagickCore/quantize.h"
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#include "MagickCore/quantum-private.h"
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#include "MagickCore/static.h"
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#include "MagickCore/string_.h"
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#include "MagickCore/module.h"
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#include "MagickCore/utility.h"
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/*
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Forward declarations.
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*/
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static MagickBooleanType
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WriteCIPImage(const ImageInfo *,Image *,ExceptionInfo *);
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% R e g i s t e r C I P I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% RegisterCIPImage() adds properties for the CIP IP phone image format to
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% the list of supported formats. The properties include the image format
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% tag, a method to read and/or write the format, whether the format
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% supports the saving of more than one frame to the same file or blob,
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% whether the format supports native in-memory I/O, and a brief
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% description of the format.
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%
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% The format of the RegisterCIPImage method is:
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%
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% size_t RegisterCIPImage(void)
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%
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*/
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ModuleExport size_t RegisterCIPImage(void)
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{
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MagickInfo
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*entry;
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entry=AcquireMagickInfo("CIP","CIP","Cisco IP phone image format");
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entry->encoder=(EncodeImageHandler *) WriteCIPImage;
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entry->flags^=CoderAdjoinFlag;
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(void) RegisterMagickInfo(entry);
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return(MagickImageCoderSignature);
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% U n r e g i s t e r C I P I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% UnregisterCIPImage() removes format registrations made by the
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% CIP module from the list of supported formats.
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%
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% The format of the UnregisterCIPImage method is:
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%
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% UnregisterCIPImage(void)
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%
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*/
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ModuleExport void UnregisterCIPImage(void)
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{
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(void) UnregisterMagickInfo("CIP");
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% W r i t e C I P I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% Procedure WriteCIPImage() writes an image to a file in the Cisco IP phone
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% image format.
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%
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% The format of the WriteCIPImage method is:
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%
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% MagickBooleanType WriteCIPImage(const ImageInfo *image_info,
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% Image *image,ExceptionInfo *exception)
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%
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% A description of each parameter follows.
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%
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% o image_info: the image info.
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%
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% o image: The image.
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%
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% o exception: return any errors or warnings in this structure.
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%
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*/
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static MagickBooleanType WriteCIPImage(const ImageInfo *image_info,Image *image,
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ExceptionInfo *exception)
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{
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char
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buffer[MagickPathExtent];
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const char
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*value;
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MagickBooleanType
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status;
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const Quantum
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*p;
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ssize_t
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i,
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x;
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ssize_t
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y;
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unsigned char
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byte;
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/*
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Open output image file.
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*/
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assert(image_info != (const ImageInfo *) NULL);
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assert(image_info->signature == MagickCoreSignature);
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assert(image != (Image *) NULL);
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assert(image->signature == MagickCoreSignature);
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if (image->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
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assert(exception != (ExceptionInfo *) NULL);
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assert(exception->signature == MagickCoreSignature);
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status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
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if (status == MagickFalse)
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return(status);
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(void) WriteBlobString(image,"<CiscoIPPhoneImage>\n");
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value=GetImageProperty(image,"label",exception);
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if (value != (const char *) NULL)
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(void) FormatLocaleString(buffer,MagickPathExtent,"<Title>%s</Title>\n",
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value);
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else
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{
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char
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basename[MagickPathExtent];
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GetPathComponent(image->filename,BasePath,basename);
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(void) FormatLocaleString(buffer,MagickPathExtent,"<Title>%s</Title>\n",
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basename);
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}
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(void) WriteBlobString(image,buffer);
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(void) FormatLocaleString(buffer,MagickPathExtent,
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"<LocationX>%.20g</LocationX>\n",(double) image->page.x);
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(void) WriteBlobString(image,buffer);
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(void) FormatLocaleString(buffer,MagickPathExtent,
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"<LocationY>%.20g</LocationY>\n",(double) image->page.y);
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(void) WriteBlobString(image,buffer);
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(void) FormatLocaleString(buffer,MagickPathExtent,"<Width>%.20g</Width>\n",
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(double) (image->columns+(image->columns % 2)));
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(void) WriteBlobString(image,buffer);
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(void) FormatLocaleString(buffer,MagickPathExtent,"<Height>%.20g</Height>\n",
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(double) image->rows);
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(void) WriteBlobString(image,buffer);
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(void) FormatLocaleString(buffer,MagickPathExtent,"<Depth>2</Depth>\n");
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(void) WriteBlobString(image,buffer);
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(void) WriteBlobString(image,"<Data>");
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(void) TransformImageColorspace(image,sRGBColorspace,exception);
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for (y=0; y < (ssize_t) image->rows; y++)
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{
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p=GetVirtualPixels(image,0,y,image->columns,1,exception);
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if (p == (const Quantum *) NULL)
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break;
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for (x=0; x < ((ssize_t) image->columns-3); x+=4)
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{
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byte=(unsigned char)
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((((size_t) (3*ClampToQuantum(GetPixelLuma(image,p+3*GetPixelChannels(image)))/QuantumRange) & 0x03) << 6) |
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(((size_t) (3*ClampToQuantum(GetPixelLuma(image,p+2*GetPixelChannels(image)))/QuantumRange) & 0x03) << 4) |
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(((size_t) (3*ClampToQuantum(GetPixelLuma(image,p+1*GetPixelChannels(image)))/QuantumRange) & 0x03) << 2) |
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(((size_t) (3*ClampToQuantum(GetPixelLuma(image,p+0*GetPixelChannels(image)))/QuantumRange) & 0x03) << 0));
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(void) FormatLocaleString(buffer,MagickPathExtent,"%02x",byte);
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(void) WriteBlobString(image,buffer);
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p+=GetPixelChannels(image);
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}
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if ((image->columns % 4) != 0)
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{
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byte=0;
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for ( ; x < (ssize_t) image->columns; x++)
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{
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i=x % 4;
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switch (i)
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{
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case 0:
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{
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byte|=(unsigned char) (((size_t) (3*ClampToQuantum(GetPixelLuma(
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image,p+MagickMin(i,3)*GetPixelChannels(image)))/
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QuantumRange) & 0x03) << 6);
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break;
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}
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case 1:
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{
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byte|=(unsigned char) (((size_t) (3*ClampToQuantum(GetPixelLuma(
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image,p+MagickMin(i,2)*GetPixelChannels(image)))/
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QuantumRange) & 0x03) << 4);
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break;
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}
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case 2:
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{
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byte|=(unsigned char) (((size_t) (3*ClampToQuantum(GetPixelLuma(
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image,p+MagickMin(i,1)*GetPixelChannels(image)))/
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QuantumRange) & 0x03) << 2);
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break;
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}
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case 3:
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{
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byte|=(unsigned char) (((size_t) (3*ClampToQuantum(GetPixelLuma(
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image,p+MagickMin(i,0)*GetPixelChannels(image)))/
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QuantumRange) & 0x03) << 0);
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break;
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}
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}
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}
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(void) FormatLocaleString(buffer,MagickPathExtent,"%02x",~byte);
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(void) WriteBlobString(image,buffer);
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}
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status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
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image->rows);
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if (status == MagickFalse)
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break;
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}
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(void) WriteBlobString(image,"</Data>\n");
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(void) WriteBlobString(image,"</CiscoIPPhoneImage>\n");
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(void) CloseBlob(image);
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return(MagickTrue);
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}
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