imagemagick/coders/debug.c

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/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% DDDD EEEEE BBBB U U GGGG %
% D D E B B U U G %
% D D EEE BBBB U U G GG %
% D D E B B U U G G %
% DDDD EEEEE BBBB UUU GGG %
% %
% %
% Image Pixel Values for Debugging. %
% %
% Software Design %
% Cristy %
% July 1992 %
% %
% %
% 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 "magick/studio.h"
#include "magick/annotate.h"
#include "magick/attribute.h"
#include "magick/blob.h"
#include "magick/blob-private.h"
#include "magick/cache.h"
#include "magick/color.h"
#include "magick/color-private.h"
#include "magick/colorspace.h"
#include "magick/constitute.h"
#include "magick/draw.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
#include "magick/geometry.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/option.h"
#include "magick/pixel-private.h"
#include "magick/quantum-private.h"
#include "magick/static.h"
#include "magick/statistic.h"
#include "magick/string_.h"
#include "magick/module.h"
/*
Forward declarations.
*/
static MagickBooleanType
WriteDEBUGImage(const ImageInfo *,Image *);
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e g i s t e r D E B U G I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% RegisterDEBUGImage() adds attributes for the DEBUG image format to the
% list of supported formats. The attributes 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 RegisterDEBUGImage method is:
%
% size_t RegisterDEBUGImage(void)
%
*/
ModuleExport size_t RegisterDEBUGImage(void)
{
MagickInfo
*entry;
entry=SetMagickInfo("DEBUG");
entry->encoder=(EncodeImageHandler *) WriteDEBUGImage;
entry->raw=MagickTrue;
entry->stealth=MagickTrue;
entry->description=ConstantString("Image pixel values for debugging");
entry->magick_module=ConstantString("DEBUG");
(void) RegisterMagickInfo(entry);
return(MagickImageCoderSignature);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% U n r e g i s t e r D E B U G I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% UnregisterDEBUGImage() removes format registrations made by the
% DEBUG module from the list of supported format.
%
% The format of the UnregisterDEBUGImage method is:
%
% UnregisterDEBUGImage(void)
%
*/
ModuleExport void UnregisterDEBUGImage(void)
{
(void) UnregisterMagickInfo("DEBUG");
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e D E B U G I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% WriteDEBUGImage writes the image pixel values with 20 places of precision.
%
% The format of the WriteDEBUGImage method is:
%
% MagickBooleanType WriteDEBUGImage(const ImageInfo *image_info,
% Image *image)
%
% A description of each parameter follows.
%
% o image_info: the image info.
%
% o image: The image.
%
*/
static MagickBooleanType WriteDEBUGImage(const ImageInfo *image_info,
Image *image)
{
char
buffer[MaxTextExtent],
colorspace[MaxTextExtent],
tuple[MaxTextExtent];
ssize_t
y;
MagickBooleanType
status;
MagickOffsetType
scene;
MagickPixelPacket
pixel;
const IndexPacket
*indexes;
const PixelPacket
*p;
ssize_t
x;
size_t
imageListLength;
/*
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);
status=OpenBlob(image_info,image,WriteBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
scene=0;
imageListLength=GetImageListLength(image);
do
{
(void) CopyMagickString(colorspace,CommandOptionToMnemonic(
MagickColorspaceOptions,(ssize_t) image->colorspace),MaxTextExtent);
LocaleLower(colorspace);
image->depth=GetImageQuantumDepth(image,MagickTrue);
if (image->matte != MagickFalse)
(void) ConcatenateMagickString(colorspace,"a",MaxTextExtent);
(void) FormatLocaleString(buffer,MaxTextExtent,
"# ImageMagick pixel debugging: %.20g,%.20g,%.20g,%s\n",(double)
image->columns,(double) image->rows,(double) ((MagickOffsetType)
GetQuantumRange(image->depth)),colorspace);
(void) WriteBlobString(image,buffer);
GetMagickPixelPacket(image,&pixel);
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
indexes=GetVirtualIndexQueue(image);
for (x=0; x < (ssize_t) image->columns; x++)
{
(void) FormatLocaleString(buffer,MaxTextExtent,"%.20g,%.20g: ",(double)
x,(double) y);
(void) WriteBlobString(image,buffer);
SetMagickPixelPacket(image,p,indexes+x,&pixel);
(void) FormatLocaleString(tuple,MaxTextExtent,"%.20g,%.20g,%.20g ",
(double) pixel.red,(double) pixel.green,(double) pixel.blue);
if (pixel.colorspace == CMYKColorspace)
{
char
black[MaxTextExtent];
(void) FormatLocaleString(black,MaxTextExtent,",%.20g ",
(double) pixel.index);
(void) ConcatenateMagickString(tuple,black,MaxTextExtent);
}
if (pixel.matte != MagickFalse)
{
char
alpha[MaxTextExtent];
(void) FormatLocaleString(alpha,MaxTextExtent,",%.20g ",
(double) (QuantumRange-pixel.opacity));
(void) ConcatenateMagickString(tuple,alpha,MaxTextExtent);
}
(void) WriteBlobString(image,tuple);
(void) WriteBlobString(image,"\n");
p++;
}
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
if (GetNextImageInList(image) == (Image *) NULL)
break;
image=SyncNextImageInList(image);
status=SetImageProgress(image,SaveImagesTag,scene++,imageListLength);
if (status == MagickFalse)
break;
} while (image_info->adjoin != MagickFalse);
(void) CloseBlob(image);
return(MagickTrue);
}