/* * 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 D. Worth */ #include "cairo-test.h" #define WIDTH 2 #define HEIGHT 2 static cairo_test_status_t draw (cairo_t *cr, int width, int height) { cairo_surface_t *surface; /* Four green pixels with different "alpha" values, (but which * should be entirely ignored). */ uint32_t colors[4] = { 0xff00ff00, 0x8800ff00, 0x4400ff00, 0x0000ff00 }; surface = cairo_image_surface_create_for_data ((unsigned char *) colors, CAIRO_FORMAT_RGB24, 2, 2, 8); cairo_set_source_surface (cr, surface, 0, 0); cairo_paint (cr); cairo_surface_finish (surface); /* colors will go out of scope */ cairo_surface_destroy (surface); return CAIRO_TEST_SUCCESS; } CAIRO_TEST (rgb24_ignore_alpha, "Test that when using an RGB24 image as a source, there is no alpha channel", "image, alpha", /* keywords */ NULL, /* requirements */ WIDTH, HEIGHT, NULL, draw)