| /* |
| * Copyright © 2007 Red Hat, Inc. |
| * |
| * 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: Carl Worth <cworth@cworth.org> |
| */ |
| |
| #include "cairo-test.h" |
| |
| /* This is a test case for the following bug: |
| * |
| * Crash in cairo_stroke_extents whe line width is 0 and line cap is ROUND |
| * (_cairo_pen_find_active_cw_vertex_index) |
| * https://bugs.freedesktop.org/show_bug.cgi?id=10231 |
| */ |
| |
| static cairo_test_status_t |
| draw (cairo_t *cr, int width, int height) |
| { |
| double x1, y1, x2, y2; |
| |
| cairo_move_to (cr, 0.0, 0.0); |
| cairo_line_to (cr, 100.0, 100.0); |
| cairo_set_line_width (cr, 0.0); |
| |
| cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); |
| cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER); |
| cairo_stroke_extents (cr, &x1, &y1, &x2, &y2); |
| cairo_in_stroke (cr, 50, 50); |
| cairo_stroke_preserve (cr); |
| |
| cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); |
| cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); |
| cairo_stroke_extents (cr, &x1, &y1, &x2, &y2); |
| cairo_in_stroke (cr, 50, 50); |
| cairo_stroke_preserve (cr); |
| |
| cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); |
| cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL); |
| cairo_stroke_extents (cr, &x1, &y1, &x2, &y2); |
| cairo_in_stroke (cr, 50, 50); |
| cairo_stroke (cr); |
| |
| return CAIRO_TEST_SUCCESS; |
| } |
| |
| CAIRO_TEST (line_width_zero, |
| "Test all stroke operations and all cap,join styles with line width of zero", |
| "stroke", /* keywords */ |
| NULL, /* requirements */ |
| 0, 0, |
| NULL, draw) |