/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ /* * Copyright 2011 Intel Corporation * * 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: Chris Wilson */ /* * This test case aims to reproduce the misbehaviour exhibited in * https://bugs.launchpad.net/ubuntu/+source/cairo/+bug/710072 * i.e. out of bounds rendering with the rectangular span compositor. */ #include "cairo-test.h" static cairo_test_status_t draw_aligned (cairo_t *cr, int width, int height) { cairo_set_source_rgb (cr, 1, 1, 1); cairo_paint (cr); cairo_rectangle (cr, -10, -10, 20, 20); cairo_rectangle (cr, 5, 5, 20, 20); cairo_set_source_rgb (cr, 0, 0, 0); cairo_fill_preserve (cr); cairo_set_source_rgba (cr, 1, 0, 0, .5); cairo_stroke (cr); return CAIRO_TEST_SUCCESS; } static cairo_test_status_t draw_unaligned (cairo_t *cr, int width, int height) { cairo_set_source_rgb (cr, 1, 1, 1); cairo_paint (cr); cairo_rectangle (cr, -10.5, -10.5, 20, 20); cairo_rectangle (cr, 5.5, 5.5, 20, 20); cairo_set_source_rgb (cr, 0, 0, 0); cairo_fill_preserve (cr); cairo_set_source_rgba (cr, 1, 0, 0, .5); cairo_stroke (cr); return CAIRO_TEST_SUCCESS; } CAIRO_TEST (image_bug_710072_aligned, "Tests a bug where we may compute spans greater than bounded extents", "extents, fill, stroke", /* keywords */ NULL, /* requirements */ 15, 15, NULL, draw_aligned) CAIRO_TEST (image_bug_710072_unaligned, "Tests a bug where we may compute spans greater than bounded extents", "extents, fill, stroke", /* keywords */ NULL, /* requirements */ 15, 15, NULL, draw_unaligned)