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author | mh0310.choi <mh0310.choi@samsung.com> | 2015-07-28 10:46:57 +0900 |
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committer | mh0310.choi <mh0310.choi@samsung.com> | 2015-07-28 13:08:12 +0900 |
commit | 5e67a6f721eaedda61300baf0799199c7771ebd0 (patch) | |
tree | 6cd50b52498aab50e79b966cdccc2a137db316d9 /test/pdiff/perceptualdiff.c | |
parent | d3aeffba37161d2b76b29c4ea13369bd67a47a8e (diff) | |
download | cairo-5e67a6f721eaedda61300baf0799199c7771ebd0.tar.gz cairo-5e67a6f721eaedda61300baf0799199c7771ebd0.tar.bz2 cairo-5e67a6f721eaedda61300baf0799199c7771ebd0.zip |
Cairo version Upgrade for Tizen3.0submit/tizen_tv/20150728.091927submit/tizen_mobile/20150728.091912submit/tizen_common/20150728.091859accepted/tizen/tv/20150729.011254accepted/tizen/mobile/20150729.011230
- from 1.12.14 to 1.14.2
Change-Id: I3b62d212041b337bbb926d579f9ce74f42a45c3b
Diffstat (limited to 'test/pdiff/perceptualdiff.c')
-rw-r--r-- | test/pdiff/perceptualdiff.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/test/pdiff/perceptualdiff.c b/test/pdiff/perceptualdiff.c new file mode 100644 index 000000000..5850dc916 --- /dev/null +++ b/test/pdiff/perceptualdiff.c @@ -0,0 +1,101 @@ +/* + PerceptualDiff - a program that compares two images using a perceptual metric + based on the paper : + A perceptual metric for production testing. Journal of graphics tools, 9(4):33-40, 2004, Hector Yee + Copyright (C) 2006 Yangli Hector Yee + + This program is free software; you can redistribute it and/or modify it under the terms of the + GNU General Public License as published by the Free Software Foundation; either version 2 of the License, + or (at your option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; + without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with this program; + if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA +*/ + +#include <stdio.h> +#include <stdint.h> +#include <string.h> +#include <math.h> +#include "lpyramid.h" +#include "args.h" +#include "pdiff.h" + +static bool Yee_Compare(args_t *args) +{ + unsigned int width_a, height_a, stride_a; + unsigned char *data_a, *row_a; + uint32_t *pixel_a; + unsigned int width_b, height_b, stride_b; + unsigned char *data_b, *row_b; + uint32_t *pixel_b; + unsigned int x, y, pixels_failed; + bool identical = true; + + width_a = cairo_image_surface_get_width (args->surface_a); + height_a = cairo_image_surface_get_height (args->surface_a); + stride_a = cairo_image_surface_get_stride (args->surface_a); + data_a = cairo_image_surface_get_data (args->surface_a); + + width_b = cairo_image_surface_get_width (args->surface_b); + height_b = cairo_image_surface_get_height (args->surface_b); + stride_b = cairo_image_surface_get_stride (args->surface_b); + data_b = cairo_image_surface_get_data (args->surface_b); + + if ((width_a != width_b) || (height_a != height_b)) { + printf ("FAIL: Image dimensions do not match\n"); + return false; + } + + identical = true; + + for (y = 0; y < height_a; y++) { + row_a = data_a + y * stride_a; + row_b = data_b + y * stride_b; + pixel_a = (uint32_t *) row_a; + pixel_b = (uint32_t *) row_b; + for (x = 0; x < width_a; x++) { + if (*pixel_a != *pixel_b) { + identical = false; + } + pixel_a++; + pixel_b++; + } + } + if (identical) { + printf ("PASS: Images are binary identical\n"); + return true; + } + + pixels_failed = pdiff_compare (args->surface_a, args->surface_b, + args->Gamma, args->Luminance, + args->FieldOfView); + + if (pixels_failed < args->ThresholdPixels) { + printf ("PASS: Images are perceptually indistinguishable\n"); + return true; + } + + printf("FAIL: Images are visibly different\n" + "%d pixels are different\n", pixels_failed); + + return false; +} + +int main(int argc, char **argv) +{ + args_t args; + + args_init (&args); + + if (!args_parse (&args, argc, argv)) { + return -1; + } else { + if (args.Verbose) + args_print (&args); + } + return ! Yee_Compare(&args); +} |