/* * Copyright © 2008 Chris Wilson * * 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 */ #include "cairo-test.h" #define SIZE 24 static void draw_rectangles (cairo_t *cr) { cairo_save (cr); /* test constructing single rectangles */ cairo_rectangle (cr, 0, 0, SIZE/2, 2); cairo_fill (cr); cairo_rectangle (cr, 0, 5, SIZE/2, -2); cairo_fill (cr); cairo_rectangle (cr, SIZE/2, 6, -SIZE/2, 2); cairo_fill (cr); cairo_rectangle (cr, SIZE/2, 11, -SIZE/2, -2); cairo_fill (cr); /* test constructing multiple rectangles */ cairo_translate (cr, 0, 12); cairo_rectangle (cr, 0, 0, SIZE/2, 2); cairo_rectangle (cr, 0, 5, SIZE/2, -2); cairo_rectangle (cr, SIZE/2, 6, -SIZE/2, 2); cairo_rectangle (cr, SIZE/2, 11, -SIZE/2, -2); cairo_fill (cr); cairo_restore (cr); } static cairo_test_status_t draw (cairo_t *cr, int width, int height) { /* Paint background white, then draw in black. */ cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ cairo_paint (cr); cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */ draw_rectangles (cr); /* and check using cw winding */ cairo_translate (cr, SIZE, SIZE); cairo_scale (cr, -1, 1); draw_rectangles (cr); return CAIRO_TEST_SUCCESS; } CAIRO_TEST (rectilinear_fill, "Test rectilinear fill operations (covering only whole pixels)", "fill, rectilinear", /* keywords */ NULL, /* requirements */ SIZE, 2 * SIZE, NULL, draw)