diff options
Diffstat (limited to 'test/horizontal-clip.c')
-rw-r--r-- | test/horizontal-clip.c | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/test/horizontal-clip.c b/test/horizontal-clip.c deleted file mode 100644 index 93127a722..000000000 --- a/test/horizontal-clip.c +++ /dev/null @@ -1,77 +0,0 @@ -/* - * Copyright 2011 Intel Corporation - * - * Permission to use, copy, modify, distribute, and sell this software - * and its documentation for any purpose is hereby granted without - * fee, provided that the above copyright notice appear in all copies - * and that both that copyright notice and this permission notice - * appear in supporting documentation, and that the name of - * Chris Wilson not be used in advertising or publicity pertaining to - * distribution of the software without specific, written prior - * permission. Chris Wilson makes no representations about the - * suitability of this software for any purpose. It is provided "as - * is" without express or implied warranty. - * - * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS - * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, - * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER - * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR - * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Author: Chris Wilson <chris@chris-wilson.co.uk> - */ - -/* Exercises a bug spotted by Andrea Canciani where the polygon clipping - * code was hopeless broken with horizontal edges. - */ - -#include "cairo-test.h" - -#define WIDTH 16 -#define HEIGHT 26 - -#define BUGY 1 -#define BUGX (4 * BUGY * WIDTH * 256) - -static cairo_test_status_t -draw (cairo_t *cr, int width, int height) -{ - cairo_set_source_rgb (cr, 1, 1, 1); - cairo_paint (cr); - cairo_set_source_rgb (cr, 0, 0, 0); - - cairo_move_to (cr, - BUGX, 6 - BUGY); - cairo_line_to (cr, + BUGX, 6 + BUGY); - cairo_line_to (cr, WIDTH + BUGX, 2 - BUGY); - cairo_line_to (cr, WIDTH - BUGX, 2 + BUGY); - cairo_fill (cr); - - cairo_move_to (cr, WIDTH + BUGX, 8 - BUGY); - cairo_line_to (cr, WIDTH - BUGX, 8 + BUGY); - cairo_line_to (cr, - BUGX, 12 - BUGY); - cairo_line_to (cr, + BUGX, 12 + BUGY); - cairo_fill (cr); - - cairo_move_to (cr, - BUGX, 14 - BUGY); - cairo_line_to (cr, + BUGX, 14 + BUGY); - cairo_line_to (cr, WIDTH + BUGX, 18 - BUGY); - cairo_line_to (cr, WIDTH - BUGX, 18 + BUGY); - cairo_fill (cr); - - cairo_move_to (cr, WIDTH + BUGX, 24 - BUGY); - cairo_line_to (cr, WIDTH - BUGX, 24 + BUGY); - cairo_line_to (cr, - BUGX, 20 - BUGY); - cairo_line_to (cr, + BUGX, 20 + BUGY); - cairo_fill (cr); - - return CAIRO_TEST_SUCCESS; -} - -CAIRO_TEST (horizontal_clip, - "Tests intersection of a nearly horizontal lines with a clipped polygon", - "clip, fill", /* keywords */ - NULL, /* requirements */ - WIDTH, HEIGHT, - NULL, draw) |