/* * Copyright © 2005 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: Carl D. Worth */ #include "cairo-test.h" static cairo_test_draw_function_t draw; static const cairo_test_t test = { "mask-ctm", "Test that cairo_mask is affected properly by the CTM", 10, 10, draw }; static cairo_test_status_t draw (cairo_t *cr, int width, int height) { cairo_surface_t *mask_surface; cairo_pattern_t *mask; uint32_t data[] = { 0x80000000, 0x80000000, 0x80000000, 0x80000000, }; cairo_matrix_t matrix; mask_surface = cairo_image_surface_create_for_data ((unsigned char *) data, CAIRO_FORMAT_ARGB32, 2, 2, 8); mask = cairo_pattern_create_for_surface (mask_surface); cairo_surface_destroy (mask_surface); cairo_set_source_rgb (cr, 1.0, 0, 0); /* We can translate with the CTM, with the pattern matrix, or with * both. */ /* 1. CTM alone. */ cairo_save (cr); { cairo_translate (cr, 2, 2); cairo_mask (cr, mask); } cairo_restore (cr); /* 2. Pattern matrix alone. */ cairo_matrix_init_translate (&matrix, -4, -4); cairo_pattern_set_matrix (mask, &matrix); cairo_mask (cr, mask); /* 3. CTM + pattern matrix */ cairo_translate (cr, 2, 2); cairo_mask (cr, mask); cairo_pattern_destroy (mask); return CAIRO_TEST_SUCCESS; } int main (void) { return cairo_test (&test); }