/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% 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 1999-2007 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/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/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,"<CiscoIPPhoneImage>\n");
value=GetImageProperty(image,"label");
if (value != (const char *) NULL)
(void) FormatMagickString(buffer,MaxTextExtent,"<Title>%s</Title>\n",value);
else
{
char
basename[MaxTextExtent];
GetPathComponent(image->filename,BasePath,basename);
(void) FormatMagickString(buffer,MaxTextExtent,"<Title>%s</Title>\n",
basename);
}
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"<LocationX>%ld</LocationX>\n",
image->page.x);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"<LocationY>%ld</LocationY>\n",
image->page.y);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"<Width>%lu</Width>\n",
image->columns+(image->columns % 2));
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"<Height>%lu</Height>\n",
image->rows);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"<Depth>2</Depth>\n");
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"<Data>");
if (image_info->colorspace == UndefinedColorspace)
(void) SetImageColorspace(image,RGBColorspace);
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(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);
}
if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
(QuantumTick(y,image->rows) != MagickFalse))
{
status=image->progress_monitor(SaveImageTag,y,image->rows,
image->client_data);
if (status == MagickFalse)
break;
}
}
(void) WriteBlobString(image,"</Data>\n");
(void) WriteBlobString(image,"</CiscoIPPhoneImage>\n");
CloseBlob(image);
return(MagickTrue);
}
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