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Diffstat (limited to 'test/half-coverage.c')
| -rw-r--r-- | test/half-coverage.c | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/test/half-coverage.c b/test/half-coverage.c deleted file mode 100644 index 38cafda75..000000000 --- a/test/half-coverage.c +++ /dev/null @@ -1,155 +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, because Cairo is my favourite - * driver test suite. - */ - -#define SIZE 256 -#define WIDTH 2 -#define HEIGHT 10 - -static cairo_test_status_t -rectangles (cairo_t *cr, int width, int height) -{ - int i; - - cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); - cairo_paint (cr); - cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); - - for (i = 1; i <= SIZE; i++) { - int x, y; - - cairo_save (cr); - cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT); - cairo_clip (cr); - - cairo_scale (cr, 1./SIZE, 1./SIZE); - for (x = -i; x < SIZE*WIDTH; x += 2*i) { - for (y = -i; y < SIZE*HEIGHT; y += 2*i) { - /* Add a little tile composed of two non-overlapping squares - * +--+ - * | | - * |__|__ - * | | - * | | - * +--+ - */ - cairo_rectangle (cr, x, y, i, i); - cairo_rectangle (cr, x+i, y+i, i, i); - } - } - cairo_fill (cr); - cairo_restore (cr); - - cairo_translate (cr, WIDTH, 0); - } - - return CAIRO_TEST_SUCCESS; -} - -static cairo_test_status_t -triangles (cairo_t *cr, int width, int height) -{ - int i; - - cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); - cairo_paint (cr); - cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); - - for (i = 1; i <= SIZE; i++) { - int x, y; - - cairo_save (cr); - cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT); - cairo_clip (cr); - - cairo_scale (cr, 1./SIZE, 1./SIZE); - for (x = -i; x < SIZE*WIDTH; x += 2*i) { - for (y = -i; y < SIZE*HEIGHT; y += 2*i) { - /* Add a tile composed of four non-overlapping - * triangles. The plus and minus signs inside the - * triangles denote the orientation of the triangle's - * edges: + for clockwise and - for anticlockwise. - * - * +-----+ - * \-|+/ - * \|/ - * /|\ - * /-|-\ - * +-----+ - */ - - /* top left triangle */ - cairo_move_to (cr, x, y); - cairo_line_to (cr, x+i, y+i); - cairo_line_to (cr, x+i, y); - cairo_close_path (cr); - - /* top right triangle */ - cairo_move_to (cr, x+i, y); - cairo_line_to (cr, x+2*i, y); - cairo_line_to (cr, x+i, y+i); - cairo_close_path (cr); - - /* bottom left triangle */ - cairo_move_to (cr, x+i, y+i); - cairo_line_to (cr, x, y+2*i); - cairo_line_to (cr, x+i, y+2*i); - cairo_close_path (cr); - - /* bottom right triangle */ - cairo_move_to (cr, x+i, y+i); - cairo_line_to (cr, x+i, y+2*i); - cairo_line_to (cr, x+2*i, y+2*i); - cairo_close_path (cr); - } - } - cairo_fill (cr); - cairo_restore (cr); - - cairo_translate (cr, WIDTH, 0); - } - - return CAIRO_TEST_SUCCESS; -} - -CAIRO_TEST (half_coverage_rectangles, - "Check the fidelity of the rasterisation.", - NULL, /* keywords */ - "target=raster slow", /* requirements */ - WIDTH * SIZE, HEIGHT, - NULL, rectangles) - -CAIRO_TEST (half_coverage_triangles, - "Check the fidelity of the rasterisation.", - NULL, /* keywords */ - "target=raster slow", /* requirements */ - WIDTH * SIZE, HEIGHT, - NULL, triangles) |