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* Copyright (C) 2003 - 2011 GraphicsMagick Group
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* Copyright (C) 2003 ImageMagick Studio
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* Copyright 1991-1999 E. I. du Pont de Nemours and Company
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* This program is covered by multiple licenses, which are described in
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* Copyright.txt. You should have received a copy of Copyright.txt with this
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* package; otherwise see http://www.graphicsmagick.org/www/Copyright.html.
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* Test file encode/decode operations via write/read/write/read
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* sequence to detect any data corruption problems. This does not
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(void) memset(basefilespec,0,sizeof(basefilespec));
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(void) memset(filename,0,sizeof(filename));
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(void) memset(format,0,sizeof(format));
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(void) memset(infile,0,sizeof(infile));
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(void) memset(size,0,sizeof(size));
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(void) memset(filespec,0,sizeof(filespec));
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if (LocaleNCompare("rwfile",argv[0],7) == 0)
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InitializeMagick((char *) NULL);
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imageInfo=CloneImageInfo(0);
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GetExceptionInfo( &exception );
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strcpy(filespec,"out_%d.%s");
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(void) strcpy(basefilespec,"out_%d.%s");
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for (arg=1; arg < argc; arg++)
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123
goto program_exit;
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if(imageInfo->depth != 8 && imageInfo->depth != 16 && imageInfo->depth != 32)
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if(imageInfo->depth != 8 && imageInfo->depth != 16 &&
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imageInfo->depth != 32)
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(void) printf("-depth (%ld) not 8, 16, or 32\n", imageInfo->depth);
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(void) printf("-depth (%ld) not 8, 16, or 32\n",
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(void) fflush(stdout);
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goto program_exit;
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135
else if (LocaleCompare("filespec",option+1) == 0)
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(void) strcpy(filespec,argv[++arg]);
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(void) strcat(filespec,".%s");
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(void) strcpy(basefilespec,argv[++arg]);
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else if (LocaleCompare("log",option+1) == 0)
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if (arg != argc-2)
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(void) printf("arg=%d, argc=%d\n", arg, argc);
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(void) printf ( "Usage: %s [-compress algorithm -debug events -depth integer -filespec spec -log format -nocheck -size geometry -verbose] infile format\n", argv[0] );
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(void) printf ( "Usage: %s [-compress algorithm -debug events -depth "
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"integer -filespec spec -log format -nocheck "
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"-size geometry -verbose] infile format\n", argv[0] );
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(void) fflush(stdout);
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goto program_exit;
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(void) strncpy( format, argv[arg], MaxTextExtent-1 );
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/* for (arg=0; arg < argc; arg++) */
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/* (void) printf("%s ", argv[arg]); */
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/* (void) printf("\n"); */
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/* (void) fflush(stdout); */
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magick_info=GetMagickInfo(format,&exception);
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if (magick_info == (MagickInfo *) NULL)
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fprintf(stderr, "No support for \"%s\" format.\n",format);
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Some formats intentionally modify the number of frames.
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FAX & JBIG write multiple frames, but read only one frame.
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if ((!strcmp( "FAX", format )) ||
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(!strcmp( "JBIG", format )) ||
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(!strcmp( "MNG", format )) ||
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(!strcmp( "PSD", format )) ||
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(!strcmp( "PTIF", format )) )
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check_for_added_frames = MagickFalse;
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207
* Read original image
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imageInfo->dither = 0;
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(void) strncpy( imageInfo->filename, infile, MaxTextExtent-1 );
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(void) fflush(stdout);
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if (!magick_info->adjoin || !check_for_added_frames)
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(void) strcat( imageInfo->filename, "[0]" );
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(void) LogMagickEvent(CoderEvent,GetMagickModule(),
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"Reading image %s", imageInfo->filename);
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"Reading image %s", imageInfo->filename);
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original = ReadImage ( imageInfo, &exception );
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if (exception.severity != UndefinedException)
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CatchException(&exception);
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if ( original == (Image *)NULL )
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(void) printf ( "Failed to read original image %s\n", imageInfo->filename );
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(void) printf ( "Failed to read original image %s\n",
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imageInfo->filename );
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(void) fflush(stdout);
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goto program_exit;
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* Obtain original image size if format requires it
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rows = original->rows;
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columns = original->columns;
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Save first input file number of frames for later verifications.
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original_frames=GetImageListLength(original);
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Get file format information.
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magick_info=GetMagickInfo(format,&exception);
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if (magick_info && magick_info->raw)
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FormatString( size, "%dx%d", columns, rows );
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strcpy(filespec,basefilespec);
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if (magick_info->raw)
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* Specify original image size if format requires it
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FormatString( size, "%lux%lu", original->columns, original->rows );
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if (IgnoreExtensionTreatment == magick_info->extension_treatment)
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Prepend magic specifier if extension will be ignored.
258
(void) strcpy(filespec,format);
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(void) strcat(filespec,":");
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(void) strcat(filespec,basefilespec);
264
(void) strcat(filespec,".%s");
267
(void) sprintf( filename, basefilespec, 1, format );
268
(void) remove(filename);
210
271
* Save image to file
254
315
* Save image to file
317
(void) sprintf( filename, basefilespec, 2, format );
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(void) remove(filename);
256
320
(void) sprintf( filename, filespec, 2, format );
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321
(void) strncpy( original->magick, format, MaxTextExtent-1 );
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322
(void) strncpy( original->filename, filename, MaxTextExtent-1 );
313
382
(final->compression == JPEGCompression))
314
383
fuzz_factor = 0.06;
316
if ( !IsImagesEqual(original, final ) &&
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(original->error.normalized_mean_error > fuzz_factor) )
319
(void) printf( "R/W file check for format \"%s\" failed: %u/%.6f/%.6fe\n",
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format,(unsigned int) original->error.mean_error_per_pixel,
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original->error.normalized_mean_error,
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original->error.normalized_maximum_error);
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(void) fflush(stdout);
394
Verify that frame pixels are identical (or close enough).
396
for (o=original, f=final, frame=0;
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((o != (Image *) NULL) && (f != (Image *) NULL)) ;
398
o = o->next, f = f->next, frame++)
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printf("Checking frame %ld...\n",frame);
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if ( !IsImagesEqual(o, f ) &&
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(original->error.normalized_mean_error > fuzz_factor) )
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(void) printf( "R/W file check for format \"%s\" failed "
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"(frame = %ld): %.6f/%.6f/%.6fe\n",
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original->error.mean_error_per_pixel,
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original->error.normalized_mean_error,
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original->error.normalized_maximum_error);
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(void) fflush(stdout);
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if (check_for_added_frames)
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Verify that reads from file R/W #1 and file R/W #2 did
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return the same number of frames.
422
if ((o != (Image *) NULL) && (f != (Image *) NULL))
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(void) printf("R/W file check for format \"%s\" failed due to "
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"differing number of returned frames (%ld vs %ld)\n",
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GetImageListLength(original),
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GetImageListLength(final));
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If format supports multiple frames, then we should expect
435
that frames are not lost (or spuriously added) due to
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read/write of format.
438
if (magick_info->adjoin)
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final_frames=GetImageListLength(final);
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if (original_frames != final_frames)
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(void) printf("R/W file check for format \"%s\" failed due "
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"to differing number of returned frames (%ld "
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"vs %ld) from original file\n",
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format,original_frames,final_frames);
added
removed
tests/rwfile.c
