diff options
Diffstat (limited to 'libs/cairo-1.16.0/test/surface-pattern-big-scale-down.c')
-rw-r--r-- | libs/cairo-1.16.0/test/surface-pattern-big-scale-down.c | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/libs/cairo-1.16.0/test/surface-pattern-big-scale-down.c b/libs/cairo-1.16.0/test/surface-pattern-big-scale-down.c deleted file mode 100644 index 698accb..0000000 --- a/libs/cairo-1.16.0/test/surface-pattern-big-scale-down.c +++ /dev/null @@ -1,125 +0,0 @@ -/* - * Copyright © 2006 Mozilla Corporation - * - * 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 - * Mozilla Corporation not be used in advertising or publicity pertaining to - * distribution of the software without specific, written prior - * permission. Mozilla Corporation makes no representations about the - * suitability of this software for any purpose. It is provided "as - * is" without express or implied warranty. - * - * MOZILLA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS - * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL MOZILLA CORPORATION 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: Vladimir Vukicevic <vladimir@pobox.com> - */ - -#include "cairo-test.h" - -#define SRC_WIDTH 2048 -#define SRC_HEIGHT 32 - -static cairo_surface_t * -create_source_surface (int w, int h) -{ - cairo_surface_t *surface; - cairo_t *cr; - - surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, SRC_WIDTH, SRC_HEIGHT); - cr = cairo_create (surface); - cairo_surface_destroy (surface); - - cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); - cairo_rectangle (cr, 0, 0, w/2, h/2); - cairo_fill (cr); - - cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); - cairo_rectangle (cr, w/2, 0, w/2, h/2); - cairo_fill (cr); - - cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); - cairo_rectangle (cr, 0, h/2, w/2, h/2); - cairo_fill (cr); - - cairo_set_source_rgb (cr, 1.0, 1.0, 0.0); - cairo_rectangle (cr, w/2, h/2, w/2, h/2); - cairo_fill (cr); - - surface = cairo_surface_reference (cairo_get_target (cr)); - cairo_destroy (cr); - - return surface; -} - -static void -draw_n (cairo_t *cr, cairo_pattern_t *pat, double dest_size, int n) -{ - cairo_matrix_t mat; - - cairo_matrix_init_scale (&mat, SRC_WIDTH / dest_size, SRC_HEIGHT / dest_size); - cairo_matrix_translate (&mat, n * -dest_size, 0.0); - cairo_pattern_set_matrix (pat, &mat); - - cairo_set_source (cr, pat); - cairo_new_path (cr); - cairo_rectangle (cr, n * dest_size, 0.0, dest_size, dest_size); - cairo_fill (cr); -} - -static cairo_test_status_t -draw (cairo_t *cr, int width, int height) -{ - cairo_surface_t *surface; - cairo_pattern_t *pat; - - cairo_set_source_rgb (cr, 0, 0, 0); - cairo_paint (cr); - - surface = create_source_surface (SRC_WIDTH, SRC_HEIGHT); - - pat = cairo_pattern_create_for_surface (surface); - cairo_surface_destroy (surface); - - /* We want to draw at a position such that n * SRC_WIDTH * (SRC_WIDTH/16.0) > 32768. - * x = n * 16. - * - * To show the bug, we want to draw on either side of the boundary; - * in our case here, n = 16 results in 32768, and n = 17 results in > 32768. - * - * Drawing at 16 and 17 is sufficient to show the problem. - */ - -#if 1 - /* n = 16 */ - draw_n (cr, pat, 16.0, 16); - - /* n = 17 */ - draw_n (cr, pat, 16.0, 17); -#else - { - int n; - for (n = 0; n < 32; n++) - draw_n (cr, pat, 16.0, n); - } -#endif - - cairo_pattern_destroy (pat); - - return CAIRO_TEST_SUCCESS; -} - -CAIRO_TEST (surface_pattern_big_scale_down, - "Test scaled-down transformed not-repeated surface patterns with large images and offsets", - "transform", /* keywords */ - NULL, /* requirements */ - 512, 16, - NULL, draw) |