/* * 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 * the author not be used in advertising or publicity pertaining to * distribution of the software without specific, written prior * permission. The author makes no representations about the * suitability of this software for any purpose. It is provided "as * is" without express or implied warranty. * * THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS, IN NO EVENT SHALL THE AUTHOR. 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> */ #include "cairo-test.h" static cairo_test_status_t draw (cairo_t *cr, int width, int height) { int i; double dashes[] = {6, 3}; cairo_set_source_rgb (cr, 1, 1, 1); cairo_paint (cr); /* partially visible rectangle... */ cairo_rectangle (cr, -0.5, -0.5, 61, 61); /* rectangles with intersecting segments... */ cairo_save (cr); cairo_translate (cr, 30, 30); for (i = 0; i < 4; i++) { cairo_rotate (cr, M_PI / 4); cairo_rectangle (cr, -37, -15, 74, 30); } cairo_restore (cr); /* completely invisible rectangle */ cairo_rectangle (cr, -5, -5, 70, 70); cairo_set_dash (cr, dashes, sizeof (dashes) / sizeof (dashes[0]), 0.); cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL); cairo_set_source_rgb (cr, 0, 0, 0); cairo_stroke (cr); return CAIRO_TEST_SUCCESS; } CAIRO_TEST (long_dashed_lines, "Exercises _cairo_box_intersects_line_segment()", "dash, stroke, stress", /* keywords */ NULL, /* requirements */ 60, 60, NULL, draw)