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Diffstat (limited to 'test/pixman-downscale.c')
| -rw-r--r-- | test/pixman-downscale.c | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/test/pixman-downscale.c b/test/pixman-downscale.c deleted file mode 100644 index 6b653d223..000000000 --- a/test/pixman-downscale.c +++ /dev/null @@ -1,203 +0,0 @@ -/* - * Copyright © 2013 Samsung Electronics - * - * 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: Bryce Harrington <b.harrington@samsung.com> - */ - -/* This test exercises scaling a png image to smaller pixel dimensions - * - * Currently, this exercises several of pixman's scaling filters. - */ - -#include "cairo-test.h" - -#include <stdio.h> -#include <stdlib.h> - -#include <cairo.h> - -static const char png_filename[] = "quad-color.png"; - -/* Draw an image scaled down, with antialiasing disabled */ -static cairo_test_status_t -draw (cairo_t *cr, int width, int height, cairo_filter_t filter) -{ - const cairo_test_context_t *ctx = cairo_test_get_context (cr); - cairo_surface_t *image; - double x_scale, y_scale, scale; - - cairo_set_source_rgb (cr, 1, 1, 1); - image = cairo_test_create_surface_from_png (ctx, png_filename); - x_scale = width * 1.0 / cairo_image_surface_get_width (image); - y_scale = height * 1.0 / cairo_image_surface_get_height (image); - scale = x_scale < y_scale ? x_scale : y_scale; - - cairo_save (cr); - cairo_scale (cr, scale, scale); - cairo_set_source_surface (cr, image, 0, 0); - cairo_pattern_set_filter (cairo_get_source (cr), filter); - cairo_paint (cr); - cairo_restore (cr); - cairo_surface_destroy (image); - - return CAIRO_TEST_SUCCESS; -} - -static cairo_test_status_t -draw_fast (cairo_t *cr, int width, int height) -{ - return draw (cr, width, height, CAIRO_FILTER_FAST); -} - -static cairo_test_status_t -draw_good (cairo_t *cr, int width, int height) -{ - return draw (cr, width, height, CAIRO_FILTER_GOOD); -} - -static cairo_test_status_t -draw_best (cairo_t *cr, int width, int height) -{ - return draw (cr, width, height, CAIRO_FILTER_BEST); -} - -static cairo_test_status_t -draw_nearest (cairo_t *cr, int width, int height) -{ - return draw (cr, width, height, CAIRO_FILTER_NEAREST); -} - -static cairo_test_status_t -draw_bilinear (cairo_t *cr, int width, int height) -{ - return draw (cr, width, height, CAIRO_FILTER_BILINEAR); -} - -CAIRO_TEST (pixman_downscale_fast_96, - "Tests scaling to equivalent size using the fast filter", - "image, transform, raster, downscale", /* keywords */ - NULL, /* requirements */ - 96, 96, - NULL, draw_fast) - -CAIRO_TEST (pixman_downscale_fast_95, - "Tests downscaling by a single pixel using the fast filter", - "image, transform, raster, downscale", /* keywords */ - NULL, /* requirements */ - 95, 95, - NULL, draw_fast) - -CAIRO_TEST (pixman_downscale_fast_24, - "Tests downscaling by an even multiple using the fast filter", - "image, transform, raster, downscale", /* keywords */ - NULL, /* requirements */ - 24, 24, - NULL, draw_fast) - - -CAIRO_TEST (pixman_downscale_good_96, - "Tests scaling to equivalent size using the good filter", - "image, transform, raster, downscale", /* keywords */ - NULL, /* requirements */ - 96, 96, - NULL, draw_good) - -CAIRO_TEST (pixman_downscale_good_95, - "Tests downscaling by a single pixel using the good filter", - "image, transform, raster, downscale", /* keywords */ - NULL, /* requirements */ - 95, 95, - NULL, draw_good) - -CAIRO_TEST (pixman_downscale_good_24, - "Tests downscaling by an even multiple using the good filter", - "image, transform, raster, downscale", /* keywords */ - NULL, /* requirements */ - 24, 24, - NULL, draw_good) - - -CAIRO_TEST (pixman_downscale_best_96, - "Tests scaling to equivalent size using the best filter", - "image, transform, raster, downscale", /* keywords */ - NULL, /* requirements */ - 96, 96, - NULL, draw_best) - -CAIRO_TEST (pixman_downscale_best_95, - "Tests downscaling by a single pixel using the best filter", - "image, transform, raster, downscale", /* keywords */ - NULL, /* requirements */ - 95, 95, - NULL, draw_best) - -CAIRO_TEST (pixman_downscale_best_24, - "Tests downscaling by an even multiple using the best filter", - "image, transform, raster, downscale", /* keywords */ - NULL, /* requirements */ - 24, 24, - NULL, draw_best) - - -CAIRO_TEST (pixman_downscale_nearest_96, - "Tests scaling to equivalent size using the nearest filter", - "image, transform, raster, downscale", /* keywords */ - NULL, /* requirements */ - 96, 96, - NULL, draw_nearest) - -CAIRO_TEST (pixman_downscale_nearest_95, - "Tests downscaling by a single pixel using the nearest filter", - "image, transform, raster, downscale", /* keywords */ - NULL, /* requirements */ - 95, 95, - NULL, draw_nearest) - -CAIRO_TEST (pixman_downscale_nearest_24, - "Tests downscaling by an even multiple using the nearest filter", - "image, transform, raster, downscale", /* keywords */ - NULL, /* requirements */ - 24, 24, - NULL, draw_nearest) - - -CAIRO_TEST (pixman_downscale_bilinear_96, - "Tests scaling to equivalent size using the bilinear filter", - "image, transform, raster, downscale", /* keywords */ - NULL, /* requirements */ - 96, 96, - NULL, draw_bilinear) - -CAIRO_TEST (pixman_downscale_bilinear_95, - "Tests downscaling by a single pixel using the bilinear filter", - "image, transform, raster, downscale", /* keywords */ - NULL, /* requirements */ - 95, 95, - NULL, draw_bilinear) - -CAIRO_TEST (pixman_downscale_bilinear_24, - "Tests downscaling by an even multiple using the bilinear filter", - "image, transform, raster, downscale", /* keywords */ - NULL, /* requirements */ - 24, 24, - NULL, draw_bilinear) |