| /* |
| * Copyright © 2008 Chris Wilson |
| * |
| * 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> |
| * Franz Schmid <Franz.Schmid@altmuehlnet.de> |
| */ |
| |
| /* Test case for bug reported by Franz Schmid <Franz.Schmid@altmuehlnet.de> |
| * http://lists.cairographics.org/archives/cairo/2008-April/013912.html |
| * |
| * See also: http://bugs.freedesktop.org/show_bug.cgi?id=17177 |
| */ |
| |
| #include "cairo-test.h" |
| |
| #define WIDTH 60 |
| #define HEIGHT 60 |
| |
| static cairo_test_status_t |
| draw (cairo_t *cr, int width, int height) |
| { |
| const double dash[2] = {4, 2}; |
| |
| cairo_set_source_rgb (cr, 1, 1, 1); |
| cairo_paint (cr); |
| |
| cairo_set_source_rgb (cr, 0., 0., 0); |
| |
| cairo_translate (cr, 0.5, .5); |
| cairo_set_line_width (cr, 1); /* This is vital to reproduce the bug. */ |
| |
| /* First check simple rectangles */ |
| cairo_set_source_rgb (cr, 0., 0., 0); |
| cairo_rectangle (cr, -WIDTH/4, -HEIGHT/4, WIDTH, HEIGHT); |
| cairo_stroke (cr); |
| cairo_rectangle (cr, WIDTH+WIDTH/4, -HEIGHT/4, -WIDTH, HEIGHT); |
| cairo_stroke (cr); |
| cairo_rectangle (cr, -WIDTH/4, HEIGHT+HEIGHT/4, WIDTH, -HEIGHT); |
| cairo_stroke (cr); |
| cairo_rectangle (cr, WIDTH+WIDTH/4, HEIGHT+HEIGHT/4, -WIDTH, -HEIGHT); |
| cairo_stroke (cr); |
| |
| cairo_set_dash (cr, dash, 2, 0); |
| |
| /* And now dashed. */ |
| cairo_set_source_rgb (cr, 1., 0., 0); |
| cairo_rectangle (cr, -WIDTH/4, -HEIGHT/4, WIDTH, HEIGHT); |
| cairo_stroke (cr); |
| cairo_set_source_rgb (cr, 0., 1., 0); |
| cairo_rectangle (cr, WIDTH+WIDTH/4, -HEIGHT/4, -WIDTH, HEIGHT); |
| cairo_stroke (cr); |
| cairo_set_source_rgb (cr, 0., 0., 1); |
| cairo_rectangle (cr, -WIDTH/4, HEIGHT+HEIGHT/4, WIDTH, -HEIGHT); |
| cairo_stroke (cr); |
| cairo_set_source_rgb (cr, 1., 1., 0); |
| cairo_rectangle (cr, WIDTH+WIDTH/4, HEIGHT+HEIGHT/4, -WIDTH, -HEIGHT); |
| cairo_stroke (cr); |
| |
| return CAIRO_TEST_SUCCESS; |
| } |
| |
| CAIRO_TEST (leaky_dashed_rectangle, |
| "Exercises bug in which a dashed stroke leaks in from outside the surface", |
| "dash, stroke", /* keywords */ |
| NULL, /* requirements */ |
| WIDTH, HEIGHT, |
| NULL, draw) |