/* * Copyright © 2006 Red Hat, Inc. * Copyright © 2008 Chris Wilson * * 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> * Chris Wilson <chris@chris-wilson.co.uk> */ #include "cairo-test.h" #define SIZE 10 #define PAD 4 #define COUNT 4 static cairo_test_status_t draw (cairo_t *cr, int width, int height) { cairo_surface_t *surface; cairo_t *cr2; int i,j; /* Fill the background */ cairo_set_source_rgb (cr, 1, 1, 1); /* white */ cairo_paint (cr); surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, SIZE, SIZE); cr2 = cairo_create (surface); cairo_surface_destroy (surface); cairo_set_source_rgb (cr2, 0, 0, 1); /* blue */ cairo_paint (cr2); cairo_set_source_surface (cr, cairo_get_target (cr2), 0, 0); cairo_destroy (cr2); for (i = 0; i < COUNT; i++) { for (j = 0; j < COUNT; j++) { cairo_surface_set_device_offset (surface, -i*(SIZE+PAD+.5)-PAD, -j*(SIZE+PAD+.5)-PAD); cairo_paint (cr); } } return CAIRO_TEST_SUCCESS; } CAIRO_TEST (device_offset_fractional, "Test using image surfaces with fractional device-offsets as sources.", "device-offset", /* keywords */ NULL, /* requirements */ COUNT*(SIZE+PAD+.5)+PAD, COUNT*(SIZE+PAD+.5)+PAD, NULL, draw)