/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% 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 1999-2019 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;
register const Quantum
*p;
register 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,"<CiscoIPPhoneImage>\n");
value=GetImageProperty(image,"label",exception);
if (value != (const char *) NULL)
(void) FormatLocaleString(buffer,MagickPathExtent,"<Title>%s</Title>\n",
value);
else
{
char
basename[MagickPathExtent];
GetPathComponent(image->filename,BasePath,basename);
(void) FormatLocaleString(buffer,MagickPathExtent,"<Title>%s</Title>\n",
basename);
}
(void) WriteBlobString(image,buffer);
(void) FormatLocaleString(buffer,MagickPathExtent,
"<LocationX>%.20g</LocationX>\n",(double) image->page.x);
(void) WriteBlobString(image,buffer);
(void) FormatLocaleString(buffer,MagickPathExtent,
"<LocationY>%.20g</LocationY>\n",(double) image->page.y);
(void) WriteBlobString(image,buffer);
(void) FormatLocaleString(buffer,MagickPathExtent,"<Width>%.20g</Width>\n",
(double) (image->columns+(image->columns % 2)));
(void) WriteBlobString(image,buffer);
(void) FormatLocaleString(buffer,MagickPathExtent,"<Height>%.20g</Height>\n",
(double) image->rows);
(void) WriteBlobString(image,buffer);
(void) FormatLocaleString(buffer,MagickPathExtent,"<Depth>2</Depth>\n");
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"<Data>");
(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,"</Data>\n");
(void) WriteBlobString(image,"</CiscoIPPhoneImage>\n");
(void) CloseBlob(image);
return(MagickTrue);
}