diff options
Diffstat (limited to 'test/buffer-diff.h')
| -rw-r--r-- | test/buffer-diff.h | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/test/buffer-diff.h b/test/buffer-diff.h deleted file mode 100644 index 2cbb8959c..000000000 --- a/test/buffer-diff.h +++ /dev/null @@ -1,73 +0,0 @@ -/* imagediff - Compare two images - * - * Copyright © 2004 Richard D. Worth - * Copyright © 2006 Red Hat, Inc. - * - * Permission to use, copy, modify, distribute, and sell this software - * and its documentation for any purpose is hereby granted without - * fee, provided that the above copyright notice appear in all copies - * and that both that copyright notice and this permission notice - * appear in supporting documentation, and that the name of the authors - * not be used in advertising or publicity pertaining to distribution - * of the software without specific, written prior permission. - * The authors make no representations about the suitability of this - * software for any purpose. It is provided "as is" without express - * or implied warranty. - * - * THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN - * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS - * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, - * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Authors: Richard D. Worth <richard@theworths.org> - * Carl Worth <cworth@cworth.org> - */ - -#ifndef BUFFER_DIFF_H -#define BUFFER_DIFF_H - -#include "cairo-test.h" - -typedef struct _buffer_diff_result { - unsigned int pixels_changed; - unsigned int max_diff; -} buffer_diff_result_t; - -/* Compares two image buffers ignoring the alpha channel. - * - * Provides number of pixels changed and maximum single-channel - * difference in result. - * - * Also fills in a "diff" buffer intended to visually show where the - * images differ. - */ -void -buffer_diff_noalpha (const unsigned char *buf_a, - const unsigned char *buf_b, - unsigned char *buf_diff, - int width, - int height, - int stride, - buffer_diff_result_t *result); - -/* The central algorithm to compare two images, and return the differences - * in the surface_diff. - * - * Provides number of pixels changed and maximum single-channel - * difference in result. - */ -cairo_status_t -image_diff (const cairo_test_context_t *ctx, - cairo_surface_t *surface_a, - cairo_surface_t *surface_b, - cairo_surface_t *surface_diff, - buffer_diff_result_t *result); - -cairo_bool_t -image_diff_is_failure (const buffer_diff_result_t *result, - unsigned int tolerance); - -#endif |