| /* |
| * 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 <behdad@behdad.org> |
| */ |
| |
| /* Exhibits nasty behaviour with GS due as their /Interpolate implementation |
| * does not function for rotated images. */ |
| |
| #include <math.h> |
| #include "cairo-test.h" |
| #include <stdio.h> |
| |
| #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) |