/* * Copyright © 2008 Red Hat, Inc. * * 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 * Red Hat, Inc. not be used in advertising or publicity pertaining to * distribution of the software without specific, written prior * permission. Red Hat, Inc. makes no representations about the * suitability of this software for any purpose. It is provided "as * is" without express or implied warranty. * * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS, IN NO EVENT SHALL RED HAT, INC. 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: Soren Sandmann <sandmann@redhat.com> */ #include "cairo-test.h" #define WIDTH 300 #define HEIGHT 300 typedef struct { double x, y; } point_t; static void paint_curve (cairo_t *cr) { const point_t points[] = { { 100, 320 }, { 110, -80 }, { 180, 60 }, { 300, 170 }, { 300, -40 } }; unsigned i; cairo_set_line_width (cr, 2); cairo_move_to (cr, points[0].x, points[0].y); for (i = 1; i < sizeof (points) / sizeof (points[0]) - 2; i += 3) { cairo_curve_to (cr, points[i].x, points[i].y, points[i + 1].x, points[i + 1].y, points[i + 2].x, points[i + 2].y); } cairo_set_line_width (cr, 5); cairo_stroke (cr); } static cairo_test_status_t draw (cairo_t *cr, int width, int height) { /* Fill window with light blue */ cairo_set_source_rgba (cr, 0.8, 0.8, 1.9, 1.0); cairo_paint (cr); /* Paint curve in green */ cairo_set_source_rgba (cr, 0.6, 0.8, 0.6, 1.0); paint_curve (cr); /* Make clip region */ cairo_rectangle (cr, 228, 131, 50, 13); cairo_rectangle (cr, 20, 99, 200, 75); cairo_clip_preserve (cr); /* Fill clip region with red */ cairo_set_source_rgba (cr, 1.0, 0.5, 0.5, 0.8); cairo_fill (cr); /* Paint curve again, this time in blue */ cairo_set_source_rgba (cr, 0, 0, 1.0, 1.0); paint_curve (cr); return CAIRO_TEST_SUCCESS; } CAIRO_TEST (clip_disjoint, "Tests stroking through two disjoint clips.", "clip, stroke", /* keywords */ NULL, /* requirements */ WIDTH, HEIGHT, NULL, draw)