diff options
author | Carl Worth <cworth@cworth.org> | 2006-02-13 16:47:13 -0800 |
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committer | Carl Worth <cworth@cworth.org> | 2006-02-13 16:47:13 -0800 |
commit | 5de154bcdb659618d723bcec14e0315630c62c7e (patch) | |
tree | 462e5c5d5a444c9388da1d33de1399e2fa98c9ed /test/clip-nesting.c | |
parent | 6c38e238e5daab5df4c11027d28e48e62bbd4bc8 (diff) | |
parent | f030aec810d74a60a44c35bf7815b9e94743cd65 (diff) |
Remove pixman from SNAPSHOT_0_5_0SNAPSHOT_0_5_0
Diffstat (limited to 'test/clip-nesting.c')
-rw-r--r-- | test/clip-nesting.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/test/clip-nesting.c b/test/clip-nesting.c new file mode 100644 index 000000000..801978037 --- /dev/null +++ b/test/clip-nesting.c @@ -0,0 +1,98 @@ +/* + * 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: Owen Taylor <otaylor@redhat.com> + */ + +#include <math.h> +#include "cairo-test.h" +#include <stdio.h> + +#define SIZE 100 +#define BORDER 10 +#define LINE_WIDTH 20 + +cairo_test_t test = { + "clip-nesting", + "Test clipping with multiple contexts for the same surface", + SIZE, SIZE +}; + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *target_surface; + cairo_t *cr2, *cr3; + + target_surface = cairo_get_target (cr); + + cr2 = cairo_create (target_surface); + + /* Draw a diagonal line and clip to it */ + + cairo_move_to (cr2, BORDER, BORDER); + cairo_line_to (cr2, BORDER + LINE_WIDTH, BORDER); + cairo_line_to (cr2, SIZE - BORDER, SIZE - BORDER); + cairo_line_to (cr2, SIZE - BORDER - LINE_WIDTH, SIZE - BORDER); + + cairo_clip (cr2); + cairo_set_source_rgb (cr2, 0, 0, 1); /* Blue */ + cairo_paint (cr2); + + /* Clipping affects this cairo_t */ + + cairo_set_source_rgb (cr2, 1, 1, 1); /* White */ + cairo_rectangle (cr2, + SIZE / 2 - LINE_WIDTH / 2, BORDER, + LINE_WIDTH, SIZE - 2 * BORDER); + cairo_fill (cr2); + + /* But doesn't affect another cairo_t that we create temporarily for + * the same surface + */ + cr3 = cairo_create (target_surface); + cairo_set_source_rgb (cr3, 1, 1, 1); /* White */ + cairo_rectangle (cr3, + SIZE - BORDER - LINE_WIDTH, BORDER, + LINE_WIDTH, SIZE - 2 * BORDER); + cairo_fill (cr3); + + cairo_destroy (cr3); + cairo_destroy (cr2); + + /* And doesn't affect anything after this cairo_t is destroyed */ + + cairo_set_source_rgb (cr, 1, 1, 1); /* White */ + cairo_rectangle (cr, + BORDER, BORDER, + LINE_WIDTH, SIZE - 2 * BORDER); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; + +} + +int +main (void) +{ + return cairo_test (&test, draw); +} |