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Diffstat (limited to 'test/xcomposite-projection.c')
| -rw-r--r-- | test/xcomposite-projection.c | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/test/xcomposite-projection.c b/test/xcomposite-projection.c deleted file mode 100644 index 39686cf99..000000000 --- a/test/xcomposite-projection.c +++ /dev/null @@ -1,109 +0,0 @@ -/* - * Copyright 2009 Benjamin Otte - * - * Permission is hereby granted, free of charge, to any person - * obtaining a copy of this software and associated documentation - * files (the "Software"), to deal in the Software without - * restriction, including without limitation the rights to use, copy, - * modify, merge, publish, distribute, sublicense, and/or sell copies - * of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Author: Benjamin Otte <otte@gnome.org> - */ - -#include "cairo-test.h" - -/* - * Exercise a bug in the projection of a rotated trapezoid mask. - * I used CAIRO_ANTIALIAS_NONE and a single-color source in the test to get - * rid of aliasing issues in the output images. This makes some issues - * slightly less visible, but still fails for all of them. If you want to - * get a clearer view: - * #define ANTIALIAS CAIRO_ANTIALIAS_DEFAULT - */ - -#define ANTIALIAS CAIRO_ANTIALIAS_NONE - -static const char png_filename[] = "romedalen.png"; - -static cairo_pattern_t * -get_source (const cairo_test_context_t *ctx, - int *width, int *height) -{ - cairo_surface_t *surface; - cairo_pattern_t *pattern; - - if (ANTIALIAS == CAIRO_ANTIALIAS_NONE) { - cairo_t *cr; - - surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 256, 192); - cr = cairo_create (surface); - - cairo_set_source_rgb (cr, 0.75, 0.25, 0.25); - cairo_paint (cr); - - pattern = cairo_pattern_create_for_surface (cairo_get_target (cr)); - cairo_destroy (cr); - } else { - surface = cairo_test_create_surface_from_png (ctx, png_filename); - pattern = cairo_pattern_create_for_surface (surface); - } - - *width = cairo_image_surface_get_width (surface); - *height = cairo_image_surface_get_height (surface); - cairo_surface_destroy (surface); - - return pattern; -} - -static cairo_test_status_t -draw (cairo_t *cr, int width, int height) -{ - cairo_pattern_t *image; - int img_width, img_height; - - image = get_source (cairo_test_get_context (cr), - &img_width, &img_height); - - /* we don't want to debug antialiasing artifacts */ - cairo_set_antialias (cr, ANTIALIAS); - - /* dark grey background */ - cairo_set_source_rgb (cr, 0.25, 0.25, 0.25); - cairo_paint (cr); - - /* magic transform */ - cairo_translate (cr, 10, -40); - cairo_rotate (cr, -0.05); - - /* place the image on our surface */ - cairo_set_source (cr, image); - - /* paint the image */ - cairo_rectangle (cr, 0, 0, img_width, img_height); - cairo_fill (cr); - - cairo_pattern_destroy (image); - - return CAIRO_TEST_SUCCESS; -} - -CAIRO_TEST (xcomposite_projection, - "Test a bug with XRenderComposite reference computation when projecting the first trapezoid onto 16.16 space", - "xlib", /* keywords */ - "target=raster", /* requirements */ - 300, 150, - NULL, draw) |