/* * 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: Behdad Esfahbod */ /* Exhibits nasty behaviour with GS due as their /Interpolate implementation * does not function for rotated images. */ #include #include "cairo-test.h" #include #define SIZE 100 static cairo_test_status_t draw (cairo_t *cr, int width, int height) { cairo_surface_t *surface; cairo_t * cr_surface; int surface_size = 6; /* Fill the background with grey, so that it's easily visible when * things get overdrawn */ cairo_set_source_rgb (cr, 0.5, 0.5, 0.5); cairo_paint (cr); /* Create an image surface with my favorite four colors in each * quadrant. */ surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, surface_size, surface_size); cr_surface = cairo_create (surface); cairo_surface_destroy (surface); cairo_set_source_rgb (cr_surface, 1, 1, 1); cairo_rectangle (cr_surface, 0, 0, surface_size / 2, surface_size / 2); cairo_fill (cr_surface); cairo_set_source_rgb (cr_surface, 1, 0, 0); cairo_rectangle (cr_surface, surface_size / 2, 0, surface_size / 2, surface_size / 2); cairo_fill (cr_surface); cairo_set_source_rgb (cr_surface, 0, 1, 0); cairo_rectangle (cr_surface, 0, surface_size / 2, surface_size / 2, surface_size / 2); cairo_fill (cr_surface); cairo_set_source_rgb (cr_surface, 0, 0, 1); cairo_rectangle (cr_surface, surface_size / 2, surface_size / 2, surface_size / 2, surface_size / 2); cairo_fill (cr_surface); cairo_scale (cr, 10, 10); cairo_rotate (cr, 1.); cairo_set_source_surface (cr, cairo_get_target (cr_surface), 4, -4.5); cairo_destroy (cr_surface); cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_NONE); cairo_paint (cr); return CAIRO_TEST_SUCCESS; } CAIRO_TEST (surface_pattern_scale_up, "Test scaled-up transformed not-repeated surface patterns" "\nFails xlib backend (with argb32) with inexplicable alpha in result", "transform", /* keywords */ NULL, /* requirements */ SIZE, SIZE, NULL, draw)