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DEFINITIONS
This source file includes following definitions.
- main
/*
*
* Test file encode/decode operations via write/read/write/read
* sequence to detect any data corruption problems. This does not
* verify that the image is correct, only that encode/decode process
* is repeatable.
*
* Written by Bob Friesenhahn <bfriesen@simple.dallas.tx.us>
*
* The image returned by both reads must be identical (or deemed close
* enough) in order for the test to pass.
* */
#include <magick/api.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main ( int argc, char **argv )
{
Image
*final = (Image *) NULL,
*original = (Image *) NULL;
const MagickInfo
*magick_info;
char
filename[MaxTextExtent],
format[MaxTextExtent],
infile[MaxTextExtent],
size[MaxTextExtent],
filespec[MaxTextExtent];
int
arg = 1,
exit_status = 0,
rows = 0,
columns = 0,
pause = 0;
MagickBool
check = MagickTrue;
double
fuzz_factor = 0;
ImageInfo
*imageInfo;
ExceptionInfo
exception;
if (LocaleNCompare("rwfile",argv[0],7) == 0)
InitializeMagick((char *) NULL);
else
InitializeMagick(*argv);
imageInfo=CloneImageInfo(0);
GetExceptionInfo( &exception );
strcpy(filespec,"out_%d.%s");
for (arg=1; arg < argc; arg++)
{
char
*option = argv[arg];
if (*option == '-')
{
if (LocaleCompare("compress",option+1) == 0)
{
arg++;
option=argv[arg];
imageInfo->compression=UndefinedCompression;
if (LocaleCompare("None",option) == 0)
imageInfo->compression=NoCompression;
if (LocaleCompare("BZip",option) == 0)
imageInfo->compression=BZipCompression;
if (LocaleCompare("Fax",option) == 0)
imageInfo->compression=FaxCompression;
if (LocaleCompare("Group4",option) == 0)
imageInfo->compression=Group4Compression;
if (LocaleCompare("JPEG",option) == 0)
imageInfo->compression=JPEGCompression;
if (LocaleCompare("Lossless",option) == 0)
imageInfo->compression=LosslessJPEGCompression;
if (LocaleCompare("LZW",option) == 0)
imageInfo->compression=LZWCompression;
if (LocaleCompare("RLE",option) == 0)
imageInfo->compression=RLECompression;
if (LocaleCompare("Zip",option) == 0)
imageInfo->compression=ZipCompression;
}
else 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");
(void) fflush(stdout);
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);
(void) fflush(stdout);
exit_status = 1;
goto program_exit;
}
}
else if (LocaleCompare("filespec",option+1) == 0)
{
(void) strcpy(filespec,argv[++arg]);
(void) strcat(filespec,".%s");
}
else if (LocaleCompare("log",option+1) == 0)
{
(void) SetLogFormat(argv[++arg]);
}
else if (LocaleCompare("nocheck",option+1) == 0)
{
check=MagickFalse;
}
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");
(void) fflush(stdout);
exit_status = 1;
goto program_exit;
}
(void) CloneString(&imageInfo->size,argv[arg]);
}
else if (LocaleCompare("verbose",option+1) == 0)
{
imageInfo->verbose+=1;
}
}
else
{
break;
}
}
if (arg != argc-2)
{
(void) printf("arg=%d, argc=%d\n", arg, argc);
(void) printf ( "Usage: %s [-compress algorithm -debug events -depth integer -filespec spec -log format -nocheck -size geometry -verbose] infile format\n", argv[0] );
(void) fflush(stdout);
exit_status = 1;
goto program_exit;
}
(void) strncpy(infile, argv[arg], MaxTextExtent-1 );
arg++;
(void) strncpy( format, argv[arg], MaxTextExtent-1 );
/* for (arg=0; arg < argc; arg++) */
/* (void) printf("%s ", argv[arg]); */
/* (void) printf("\n"); */
/* (void) fflush(stdout); */
/*
* Read original image
*/
imageInfo->dither = 0;
(void) strncpy( imageInfo->filename, infile, MaxTextExtent-1 );
(void) fflush(stdout);
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
"Reading image %s", imageInfo->filename);
original = ReadImage ( imageInfo, &exception );
if (exception.severity != UndefinedException)
{
CatchException(&exception);
exit_status = 1;
goto program_exit;
}
if ( original == (Image *)NULL )
{
(void) printf ( "Failed to read original image %s\n", imageInfo->filename );
(void) fflush(stdout);
exit_status = 1;
goto program_exit;
}
/*
* Obtain original image size if format requires it
*/
rows = original->rows;
columns = original->columns;
size[0] = '\0';
magick_info=GetMagickInfo(format,&exception);
if (magick_info && magick_info->raw)
FormatString( size, "%dx%d", columns, rows );
/*
* Save image to file
*/
(void) sprintf( filename, filespec, 1, format );
(void) strncpy( original->magick, format, MaxTextExtent-1 );
(void) strncpy( original->filename, filename, MaxTextExtent-1 );
original->delay = 10;
(void) fflush(stdout);
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
"Writing image %s", original->filename);
if (!WriteImage ( imageInfo, original ))
{
CatchException(&original->exception);
exit_status = 1;
goto program_exit;
}
imageInfo->depth=original->depth;
DestroyImageList( original );
original = (Image*)NULL;
/*
* Read image back from file
*/
(void) strncpy( imageInfo->magick, format, MaxTextExtent-1 );
strncpy( imageInfo->filename, filename, MaxTextExtent-1 );
if ( size[0] != '\0' )
(void) CloneString( &imageInfo->size, size );
(void) fflush(stdout);
original = ReadImage ( imageInfo, &exception );
if (exception.severity != UndefinedException)
{
CatchException(&exception);
exit_status = 1;
goto program_exit;
}
if ( original == (Image *)NULL )
{
(void) printf ( "Failed to read image from file in format %s\n",
imageInfo->magick );
(void) fflush(stdout);
exit_status = 1;
goto program_exit;
}
/*
* Save image to file
*/
(void) sprintf( filename, filespec, 2, format );
(void) strncpy( original->magick, format, MaxTextExtent-1 );
(void) strncpy( original->filename, filename, MaxTextExtent-1 );
original->delay = 10;
(void) fflush(stdout);
if(!WriteImage (imageInfo,original))
{
CatchException(&original->exception);
exit_status = 1;
goto program_exit;
}
/*
* Read image back from file
*/
(void) strncpy( imageInfo->magick, format, MaxTextExtent-1 );
(void) strncpy( imageInfo->filename, filename, MaxTextExtent-1 );
if ( size[0] != '\0' )
(void) CloneString( &imageInfo->size, size );
(void) fflush(stdout);
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
"Reading image %s", imageInfo->filename);
final = ReadImage ( imageInfo, &exception );
if (exception.severity != UndefinedException)
{
CatchException(&exception);
exit_status = 1;
goto program_exit;
}
if ( final == (Image *)NULL )
{
(void) printf ( "Failed to read image from file in format %s\n",
imageInfo->magick );
(void) fflush(stdout);
exit_status = 1;
goto program_exit;
}
if (check)
{
/*
* Check final output
*/
if ((!strcmp( "CIN", format ) && (QuantumDepth == 8)) ||
(!strcmp( "CMYK", format )) ||
(!strcmp( "GRAY", format )) ||
(!strcmp( "JNG", format )) ||
(!strcmp( "JP2", format )) ||
(!strcmp( "JPEG", format )) ||
(!strcmp( "JPG", format )) ||
(!strcmp( "JPG24", format )) ||
(!strcmp( "PAL", format )) ||
(!strcmp( "PCD", format )) ||
(!strcmp( "PCDS", format )) ||
(!strcmp( "UYVY", format )) ||
(!strcmp( "YUV", format )) ||
(final->compression == JPEGCompression))
fuzz_factor = 0.06;
if ( !IsImagesEqual(original, final ) &&
(original->error.normalized_mean_error > fuzz_factor) )
{
(void) printf( "R/W file check for format \"%s\" failed: %u/%.6f/%.6fe\n",
format,(unsigned int) original->error.mean_error_per_pixel,
original->error.normalized_mean_error,
original->error.normalized_maximum_error);
(void) fflush(stdout);
exit_status = 1;
goto program_exit;
}
}
program_exit:
if (original)
DestroyImageList( original );
original = (Image*)NULL;
if (final)
DestroyImageList( final );
final = (Image*)NULL;
DestroyExceptionInfo(&exception);
DestroyImageInfo( imageInfo );
DestroyMagick();
if (pause)
(void) getc(stdin);
return exit_status;
}