/* * 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 <cworth@cworth.org> */ /* Bug history * * 2005-04-11 Carl Worth <cworth@cworth.org> * * It appears that calling cairo_show_surface after cairo_translate * somehow applies the translation twice to the surface being * shown. This is pretty easy to demonstrate by bringing up xsvg on * an SVG file with an <image> and panning around a bit with the * arrow keys. * * This is almost certainly a regression, and I suspect there may be * some interaction with the fix for move-to-show-surface. * * 2005-04-12 Carl Worth <cworth@cworth.org> * * I committed a fix for this bug today. */ #include "cairo-test.h" static cairo_test_status_t draw (cairo_t *cr, int width, int height) { cairo_surface_t *surface; uint32_t colors[4] = { 0xffffffff, 0xffff0000, 0xff00ff00, 0xff0000ff }; int i; for (i=0; i < 4; i++) { surface = cairo_image_surface_create_for_data ((unsigned char *) &colors[i], CAIRO_FORMAT_RGB24, 1, 1, 4); cairo_save (cr); { cairo_translate (cr, i % 2, i / 2); cairo_set_source_surface (cr, surface, 0, 0); cairo_paint (cr); } cairo_restore (cr); cairo_surface_finish (surface); /* colors will go out of scope */ cairo_surface_destroy (surface); } return CAIRO_TEST_SUCCESS; } CAIRO_TEST (translate_show_surface, "Tests calls to cairo_show_surface after cairo_translate", "transform", /* keywords */ NULL, /* requirements */ 2, 2, NULL, draw)