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Diffstat (limited to 'test/filter-nearest-transformed.c')
| -rw-r--r-- | test/filter-nearest-transformed.c | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/test/filter-nearest-transformed.c b/test/filter-nearest-transformed.c deleted file mode 100644 index ba56f7c5a..000000000 --- a/test/filter-nearest-transformed.c +++ /dev/null @@ -1,120 +0,0 @@ -/* - * Copyright © 2008 Chris Wilson - * - * 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: Chris Wilson <chris@chris-wilson.co.uk> - */ - -#include "cairo-test.h" - -/* - * We wish to check the optimization away of non-fractional translations - * for NEAREST surface patterns under a few transformations. - */ - -static const char png_filename[] = "romedalen.png"; - -/* A single, black pixel */ -static const uint32_t black_pixel = 0xff000000; - -static cairo_test_status_t -draw (cairo_t *cr, int width, int height) -{ - const cairo_test_context_t *ctx = cairo_test_get_context (cr); - unsigned int i, j, k; - cairo_surface_t *surface; - cairo_pattern_t *pattern; - const cairo_matrix_t transform[] = { - { 1, 0, 0, 1, 0, 0 }, - { -1, 0, 0, 1, 8, 0 }, - { 1, 0, 0, -1, 0, 8 }, - { -1, 0, 0, -1, 8, 8 }, - }; - const cairo_matrix_t ctx_transform[] = { - { 1, 0, 0, 1, 0, 0 }, - { -1, 0, 0, 1, 14, 0 }, - { 1, 0, 0, -1, 0, 14 }, - { -1, 0, 0, -1, 14, 14 }, - }; - const double colour[][3] = { - {0, 0, 0}, - {1, 0, 0}, - {0, 1, 0}, - {0, 0, 1}, - }; - cairo_matrix_t m; - - surface = cairo_image_surface_create_for_data ((uint8_t *) &black_pixel, - CAIRO_FORMAT_ARGB32, - 1, 1, 4); - pattern = cairo_pattern_create_for_surface (surface); - cairo_surface_destroy (surface); - - cairo_pattern_set_filter (pattern, CAIRO_FILTER_NEAREST); - - surface = cairo_test_create_surface_from_png (ctx, png_filename); - - /* Fill background white */ - cairo_set_source_rgb (cr, 1, 1, 1); - cairo_paint (cr); - - cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); - - for (k = 0; k < ARRAY_LENGTH (transform); k++) { - /* draw a "large" section from an image */ - cairo_save (cr); { - cairo_set_matrix(cr, &ctx_transform[k]); - cairo_rectangle (cr, 0, 0, 7, 7); - cairo_clip (cr); - - cairo_set_source_surface (cr, surface, - -cairo_image_surface_get_width (surface)/2., - -cairo_image_surface_get_height (surface)/2.); - cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); - cairo_paint (cr); - } cairo_restore (cr); - - cairo_set_source_rgb (cr, colour[k][0], colour[k][1], colour[k][2]); - for (j = 4; j <= 6; j++) { - for (i = 4; i <= 6; i++) { - cairo_matrix_init_translate (&m, - -(2*(i-4) + .1*i), - -(2*(j-4) + .1*j)); - cairo_matrix_multiply (&m, &m, &transform[k]); - cairo_pattern_set_matrix (pattern, &m); - cairo_mask (cr, pattern); - } - } - } - - cairo_pattern_destroy (pattern); - cairo_surface_destroy (surface); - - return CAIRO_TEST_SUCCESS; -} - -CAIRO_TEST (filter_nearest_transformed, - "Test sample position when drawing transformed images with FILTER_NEAREST", - "filter, nearest", /* keywords */ - NULL, - 14, 14, - NULL, draw) |