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DEFINITIONS
This source file includes following definitions.
- main
/*
*
* Test DispatchImage/ConstituteImage operations via
* write/read/write/read sequence to detect any data corruption
* problems.
*
* Written by Bob Friesenhahn <bfriesen@simple.dallas.tx.us>
*
* The image returned by both reads must be identical in order for the
* test to pass.
*
*/
#include <magick/api.h>
#include <magick/enum_strings.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main ( int argc, char **argv )
{
Image
*final = (Image *) NULL,
*original = (Image *) NULL;
void
*pixels=0;
char
infile[MaxTextExtent],
map[MaxTextExtent];
int
arg = 1,
exit_status = 0,
rows = 0,
columns = 0,
pause = 0;
unsigned int
quantum_size=sizeof(unsigned char);
size_t
pixels_size;
double
fuzz_factor = 0.0;
ImageInfo
*imageInfo;
ExceptionInfo
exception;
StorageType
storage_type=CharPixel;
if (LocaleNCompare("constitute",argv[0],7) == 0)
InitializeMagick((char *) NULL);
else
InitializeMagick(*argv);
imageInfo=CloneImageInfo(0);
GetExceptionInfo( &exception );
for (arg=1; arg < argc; arg++)
{
char
*option = argv[arg];
if (*option == '-')
{
if (LocaleCompare("debug",option+1) == 0)
(void) SetLogEventMask(argv[++arg]);
else if (LocaleCompare("depth",option+1) == 0)
{
imageInfo->depth=QuantumDepth;
arg++;
if ((arg == argc) || !sscanf(argv[arg],"%ld",&imageInfo->depth))
{
(void) printf("-depth argument missing or not integer\n");
exit_status = 1;
goto program_exit;
}
if(imageInfo->depth != 8 && imageInfo->depth != 16 && imageInfo->depth != 32)
{
(void) printf("-depth (%ld) not 8, 16, or 32\n", imageInfo->depth);
exit_status = 1;
goto program_exit;
}
}
else if (LocaleCompare("log",option+1) == 0)
(void) SetLogFormat(argv[++arg]);
else if (LocaleCompare("pause",option+1) == 0)
pause=1;
else if (LocaleCompare("size",option+1) == 0)
{
arg++;
if ((arg == argc) || !IsGeometry(argv[arg]))
{
(void) printf("-size argument missing or not geometry\n");
exit_status = 1;
goto program_exit;
}
(void) CloneString(&imageInfo->size,argv[arg]);
}
else if (LocaleCompare("storagetype",option+1) == 0)
{
arg++;
if ((arg == argc))
{
(void) printf("-storagetype argument missing\n");
exit_status = 1;
goto program_exit;
}
if (LocaleCompare("Char",argv[arg]) == 0)
{
storage_type=CharPixel;
quantum_size=sizeof(unsigned char);
}
else if (LocaleCompare("Short",argv[arg]) == 0)
{
storage_type=ShortPixel;
quantum_size=sizeof(unsigned short);
}
else if (LocaleCompare("Integer",argv[arg]) == 0)
{
storage_type=IntegerPixel;
quantum_size=sizeof(unsigned int);
}
else if (LocaleCompare("Long",argv[arg]) == 0)
{
storage_type=LongPixel;
quantum_size=sizeof(unsigned long);
}
else if (LocaleCompare("Float",argv[arg]) == 0)
{
storage_type=FloatPixel;
quantum_size=sizeof(float);
#if (QuantumDepth > 16)
fuzz_factor=7.5e-06; // Float requires some slop for Q:32
#endif
}
else if (LocaleCompare("Double",argv[arg]) == 0)
{
storage_type=DoublePixel;
quantum_size=sizeof(double);
}
else
{
(void) printf("Unrecognized storagetype argument %s\n",argv[arg]);
exit_status = 1;
goto program_exit;
}
}
}
else
break;
}
if (arg != argc-2)
{
(void) printf ( "Usage: %s -debug events -depth integer -log format -size geometry -storagetype type] infile map\n", argv[0] );
exit_status = 1;
goto program_exit;
}
(void) strncpy(infile, argv[arg], MaxTextExtent-1 );
arg++;
(void) strncpy( map, argv[arg], MaxTextExtent-1 );
/* for (arg=0; arg < argc; arg++) */
/* (void) printf("%s ", argv[arg]); */
/* (void) printf("\n"); */
/* (void) fflush(stdout); */
/*
* Read original image
*/
GetExceptionInfo( &exception );
imageInfo->dither = 0;
(void) strncpy( imageInfo->filename, infile, MaxTextExtent-1 );
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
"Reading image %s", imageInfo->filename);
original = ReadImage ( imageInfo, &exception );
if (exception.severity != UndefinedException)
CatchException(&exception);
if ( original == (Image *)NULL )
{
(void) printf ( "Failed to read original image %s\n", imageInfo->filename );
exit_status = 1;
goto program_exit;
}
/* If a CMYK map is specified, make sure that input image is CMYK */
if (strchr(map,'c') || strchr(map,'C') || strchr(map,'m') || strchr(map,'M') ||
strchr(map,'y') || strchr(map,'y') || strchr(map,'k') || strchr(map,'k'))
(void) TransformColorspace(original,CMYKColorspace);
/*
* Obtain original image size if format requires it
*/
rows = original->rows;
columns = original->columns;
/*
* Save image to array
*/
pixels_size=quantum_size*strlen(map)*rows*columns;
pixels=MagickMalloc(pixels_size);
if( !pixels )
{
(void) printf ( "Failed to allocate memory for pixels\n");
exit_status = 1;
goto program_exit;
}
(void) memset((void *) pixels, 0, pixels_size);
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
"Writing image to pixel array");
if( !DispatchImage(original,0,0,original->columns,original->rows,map,
storage_type,pixels,&exception) )
{
(void) printf ( "DispatchImage returned error status\n");
if (exception.severity != UndefinedException)
CatchException(&exception);
exit_status = 1;
goto program_exit;
}
DestroyImage( original );
original = (Image*)NULL;
/*
* Read image back from pixel array
*/
original = ConstituteImage(columns,rows,map,storage_type,pixels,&exception);
if ( original == (Image *)NULL )
{
(void) printf ( "Failed to read image from pixels array\n" );
if (exception.severity != UndefinedException)
CatchException(&exception);
exit_status = 1;
goto program_exit;
}
/*
* Save image to pixel array
*/
(void) memset((void *) pixels, 0, pixels_size);
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
"Writing image to pixel array");
if( !DispatchImage(original,0,0,original->columns,original->rows,map,
storage_type,pixels,&exception) )
{
(void) printf ( "DispatchImage returned error status\n" );
if (exception.severity != UndefinedException)
CatchException(&exception);
exit_status = 1;
goto program_exit;
}
/*
* Read image back from pixel array
*/
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
"Reading image from pixel array");
final = ConstituteImage(columns,rows,map,storage_type,pixels,&exception);
if ( final == (Image *)NULL )
{
(void) printf ( "Failed to read image from pixels array\n" );
if (exception.severity != UndefinedException)
CatchException(&exception);
exit_status = 1;
goto program_exit;
}
MagickFree(pixels);
pixels=0;
/*
* Check final output
*/
if (original->colorspace != final->colorspace)
{
(void) printf("Original colorspace (%s) != final colorspace (%s)\n",
ColorspaceTypeToString(original->colorspace),
ColorspaceTypeToString(final->colorspace));
exit_status = 1;
goto program_exit;
}
if ( !IsImagesEqual(original, final) )
{
CatchException(&original->exception);
CatchException(&final->exception);
if (original->error.normalized_mean_error > fuzz_factor)
{
exit_status = 1;
(void) printf( "Constitute check failed: %u/%g/%g\n",
(unsigned int) original->error.mean_error_per_pixel,
original->error.normalized_mean_error,
original->error.normalized_maximum_error);
}
goto program_exit;
}
program_exit:
(void) fflush(stdout);
if (original)
DestroyImage( original );
original = 0;
if (final)
{
if (getenv("SHOW_RESULT") != 0)
(void) DisplayImages( imageInfo, final );
DestroyImage( final );
}
final = 0;
MagickFree(pixels);
pixels=0;
if (imageInfo)
DestroyImageInfo(imageInfo);
imageInfo = 0;
DestroyMagick();
if (pause)
(void) getc(stdin);
return exit_status;
}