diff options
author | Behdad Esfahbod <behdad@behdad.org> | 2007-02-22 16:03:47 -0500 |
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committer | Behdad Esfahbod <behdad@behdad.org> | 2007-02-23 17:26:42 -0500 |
commit | c87edd9e10c2a60e11c8cd954860fb03f6425132 (patch) | |
tree | f4440f93d4bdc935caa1c7fceb5ff1bdd5318360 /test/surface-pattern.c | |
parent | 7c39276366f91de151c775fa8293783f39247896 (diff) |
[test] Update surface-pattern test to include transformations
The surface-pattern test was very naive, painting a surface pattern
repeated at identity size. With the new test, the surface pattern
is scaled and rotated. This reveals a serious bug in the PS backend.
Diffstat (limited to 'test/surface-pattern.c')
-rw-r--r-- | test/surface-pattern.c | 94 |
1 files changed, 43 insertions, 51 deletions
diff --git a/test/surface-pattern.c b/test/surface-pattern.c index 8fe40e668..42aca27fc 100644 --- a/test/surface-pattern.c +++ b/test/surface-pattern.c @@ -1,36 +1,15 @@ -/* - * Copyright © 2005 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 - * Red Hat, Inc. not be used in advertising or publicity pertaining to - * distribution of the software without specific, written prior - * permission. Red Hat, Inc. makes no representations about the - * suitability of this software for any purpose. It is provided "as - * is" without express or implied warranty. - * - * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS - * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL RED HAT, INC. 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. - * - * Author: Carl D. Worth <cworth@cworth.org> - */ - +#include <math.h> #include "cairo-test.h" +#include <stdio.h> + +#define SIZE 140 static cairo_test_draw_function_t draw; cairo_test_t test = { "surface-pattern", - "Tests use of a surface pattern", - 36, 36, + "Test transformed repeated surface patterns", + SIZE, SIZE, draw }; @@ -38,35 +17,48 @@ static cairo_test_status_t draw (cairo_t *cr, int width, int height) { cairo_surface_t *surface; - cairo_t *cr2; - cairo_pattern_t *pattern; - surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, - 6, 6); - - cr2 = cairo_create (surface); - { - cairo_rectangle (cr2, 0, 0, 3, 3); - cairo_rectangle (cr2, 3, 3, 3, 3); - cairo_set_source_rgb (cr2, 1, 1, 0); - cairo_fill (cr2); - - cairo_rectangle (cr2, 3, 0, 3, 3); - cairo_rectangle (cr2, 0, 3, 3, 3); - cairo_set_source_rgb (cr2, 0, 0, 1); - cairo_fill (cr2); - } - cairo_destroy (cr2); + cairo_t * cr_surface; + int surface_size = 6; - pattern = cairo_pattern_create_for_surface (surface); - cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT); - cairo_set_source (cr, pattern); - - cairo_rectangle (cr, 0, 0, width, height); + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_rectangle (cr, 0, 0, SIZE, SIZE); cairo_fill (cr); - cairo_pattern_destroy (pattern); + /* Create an image surface with my favorite four colors in each + * quadrant. */ + surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, + surface_size, surface_size); + cr_surface = cairo_create (surface); + cairo_set_source_rgb (cr_surface, 1, 1, 1); + cairo_rectangle (cr_surface, + 0, 0, + surface_size / 2, surface_size / 2); + cairo_fill (cr_surface); + cairo_set_source_rgb (cr_surface, 1, 0, 0); + cairo_rectangle (cr_surface, + surface_size / 2, 0, + surface_size / 2, surface_size / 2); + cairo_fill (cr_surface); + cairo_set_source_rgb (cr_surface, 0, 1, 0); + cairo_rectangle (cr_surface, + 0, surface_size / 2, + surface_size / 2, surface_size / 2); + cairo_fill (cr_surface); + cairo_set_source_rgb (cr_surface, 0, 0, 1); + cairo_rectangle (cr_surface, + surface_size / 2, surface_size / 2, + surface_size / 2, surface_size / 2); + cairo_fill (cr_surface); + cairo_destroy (cr_surface); + + cairo_scale (cr, 10, 10); + cairo_rotate (cr, 1.); + cairo_set_source_surface (cr, surface, 1.5, 1.5); cairo_surface_destroy (surface); + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REPEAT); + cairo_paint (cr); + return CAIRO_TEST_SUCCESS; } |