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Diffstat (limited to 'test/a1-rasterisation.c')
-rw-r--r-- | test/a1-rasterisation.c | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/test/a1-rasterisation.c b/test/a1-rasterisation.c deleted file mode 100644 index b59090ab5..000000000 --- a/test/a1-rasterisation.c +++ /dev/null @@ -1,101 +0,0 @@ -/* - * Copyright 2010 Intel Corporation - * - * 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" - -/* - * Test the fidelity of the rasterisation, paying careful attention to rounding. - */ - -#include "../src/cairo-fixed-type-private.h" -#define PRECISION (int)(1 << CAIRO_FIXED_FRAC_BITS) - -#define WIDTH ((PRECISION/2+1)*3) -#define HEIGHT ((PRECISION/2+1)*3) - -#define SUBPIXEL(v) ((v)/(double)(PRECISION/2)) - -static cairo_test_status_t -rectangles (cairo_t *cr, int width, int height) -{ - int x, y; - - cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); - cairo_paint (cr); - - cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); - cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); - - for (x = 0; x < WIDTH; x += 3) { - for (y = 0; y < HEIGHT; y += 3) { - cairo_rectangle (cr, x + SUBPIXEL (y/3) - .5, y + SUBPIXEL (x/3) - .5, .5, .5); - } - } - cairo_fill (cr); - - return CAIRO_TEST_SUCCESS; -} - -static cairo_test_status_t -triangles (cairo_t *cr, int width, int height) -{ - int x, y; - - cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); - cairo_paint (cr); - - cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); - cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); - - for (x = 0; x < WIDTH; x += 3) { - for (y = 0; y < HEIGHT; y += 3) { - /* a rectangle with a diagonal to force tessellation */ - cairo_move_to (cr, x + SUBPIXEL (y/3) - .5, y + SUBPIXEL (x/3) - .5); - cairo_rel_line_to (cr, .5, .5); - cairo_rel_line_to (cr, 0, -.5); - cairo_rel_line_to (cr, -.5, 0); - cairo_rel_line_to (cr, 0, .5); - cairo_rel_line_to (cr, .5, 0); - } - } - cairo_fill (cr); - - return CAIRO_TEST_SUCCESS; -} - -CAIRO_TEST (a1_rasterisation_rectangles, - "Check the fidelity of the rasterisation.", - "rasterisation", /* keywords */ - "target=raster", /* requirements */ - WIDTH, HEIGHT, - NULL, rectangles) - -CAIRO_TEST (a1_rasterisation_triangles, - "Check the fidelity of the rasterisation.", - "rasterisation", /* keywords */ - "target=raster", /* requirements */ - WIDTH, HEIGHT, - NULL, triangles) |