From 530ffd0b7d3c39757b20f00716e486b5caf89aff Mon Sep 17 00:00:00 2001 From: sanine Date: Wed, 12 Oct 2022 12:03:23 -0500 Subject: add cairo --- libs/cairo-1.16.0/test/pixman-rotate.c | 92 ++++++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 libs/cairo-1.16.0/test/pixman-rotate.c (limited to 'libs/cairo-1.16.0/test/pixman-rotate.c') diff --git a/libs/cairo-1.16.0/test/pixman-rotate.c b/libs/cairo-1.16.0/test/pixman-rotate.c new file mode 100644 index 0000000..e0d0fc8 --- /dev/null +++ b/libs/cairo-1.16.0/test/pixman-rotate.c @@ -0,0 +1,92 @@ +/* + * 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: Kristian Høgsberg + */ + +#include "cairo-test.h" + +#include +#include +#include +#include + +#include + +#define WIDTH 32 +#define HEIGHT WIDTH + +#define IMAGE_WIDTH (3 * WIDTH) +#define IMAGE_HEIGHT IMAGE_WIDTH + +/* Draw the word cairo at NUM_TEXT different angles */ +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *stamp; + cairo_t *cr2; + + /* Draw a translucent rectangle for reference where the rotated + * image should be. */ + cairo_new_path (cr); + cairo_rectangle (cr, WIDTH, HEIGHT, WIDTH, HEIGHT); + cairo_set_source_rgba (cr, 1, 1, 0, 0.3); + cairo_fill (cr); + +#if 1 /* Set to 0 to generate reference image */ + cairo_translate (cr, 2 * WIDTH, 2 * HEIGHT); + cairo_rotate (cr, M_PI); +#else + cairo_translate (cr, WIDTH, HEIGHT); +#endif + + stamp = cairo_surface_create_similar (cairo_get_group_target (cr), + CAIRO_CONTENT_COLOR_ALPHA, + WIDTH, HEIGHT); + cr2 = cairo_create (stamp); + cairo_surface_destroy (stamp); + { + cairo_new_path (cr2); + cairo_rectangle (cr2, WIDTH / 4, HEIGHT / 4, WIDTH / 2, HEIGHT / 2); + cairo_set_source_rgba (cr2, 1, 0, 0, 0.8); + cairo_fill (cr2); + + cairo_rectangle (cr2, 0, 0, WIDTH, HEIGHT); + cairo_set_line_width (cr2, 2); + cairo_set_source_rgb (cr2, 0, 0, 0); + cairo_stroke (cr2); + } + cairo_set_source_surface (cr, cairo_get_target (cr2), 0, 0); + cairo_destroy (cr2); + + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (pixman_rotate, + "Exposes pixman off-by-one error when rotating", + "image, transform", /* keywords */ + NULL, /* requirements */ + IMAGE_WIDTH, IMAGE_HEIGHT, + NULL, draw) -- cgit v1.2.1