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author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-02-02 16:15:32 +0000 |
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committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-02-02 16:31:36 +0000 |
commit | 7dc464bb2bd64d1469b7b03afaf2191ee6d9e28b (patch) | |
tree | 2a5e16dc658beed4f52ee1d2fa3353168d05bd59 /test/clip-empty-save.c | |
parent | ab3dc7bb31f7f8b8c4d87c1ae62bd946b260c77e (diff) | |
download | cairo-7dc464bb2bd64d1469b7b03afaf2191ee6d9e28b.tar.gz |
test: Add clip-empty-save
Jeff Muizelaar found a bug in _cairo_clip_init_copy() which was not
correctly propagating the all-clipped status when an empty clip was
saved in the gstate. This test case exercises that bug.
Diffstat (limited to 'test/clip-empty-save.c')
-rw-r--r-- | test/clip-empty-save.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/test/clip-empty-save.c b/test/clip-empty-save.c new file mode 100644 index 000000000..9f8fd692e --- /dev/null +++ b/test/clip-empty-save.c @@ -0,0 +1,68 @@ +/* + * Copyright © 2007 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 + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON 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: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define SIZE 10 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_paint (cr); + + cairo_reset_clip (cr); + cairo_clip (cr); + + cairo_save (cr); + + cairo_translate (cr, .5, .5); + + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_fill_preserve (cr); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_stroke (cr); + + /* https://bugs.freedesktop.org/show_bug.cgi?id=13084 */ + cairo_select_font_face (cr, + "Bitstream Vera Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + cairo_move_to (cr, 0., SIZE); + cairo_show_text (cr, "cairo"); + + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_empty_save, + "Test clipping with an empty clip path", + "clip", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) |