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test: Add a8-clear

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Reported-by: Jeremy Moles <jeremy@emperorlinux.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2010-09-29 13:23:24 +01:00
parent ac6fd51fe4
commit 05faebd584
4 changed files with 66 additions and 0 deletions
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1
test/Makefile.am
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@ -138,6 +138,7 @@ REFERENCE_IMAGES = \
a1-rasterisation-triangles.ref.png \
a1-traps-sample.ref.png \
a1-traps-sample.quartz.xfail.png \
a8-clear.ref.png \
a8-mask.ref.png \
aliasing.ref.png \
aliasing.image16.ref.png \

1
test/Makefile.sources
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@ -5,6 +5,7 @@ test_sources = \
a1-mask-sample.c \
a1-traps-sample.c \
a1-rasterisation.c \
a8-clear.c \
a8-mask.c \
aliasing.c \
alpha-similar.c \

64
test/a8-clear.c Normal file
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@ -0,0 +1,64 @@
/*
* Copyright © 2010 Intel Corporation
*
* 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: Chris Wilson <chris@chris-wilson.co.uk>
*
* Based on a bug snippet by Jeremy Moles <jeremy@emperorlinux.com>
*/
#include "cairo-test.h"
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_pattern_t *mask;
cairo_set_source_rgb (cr, 1, 0, 0);
cairo_paint (cr);
cairo_push_group_with_content (cr, CAIRO_CONTENT_ALPHA);
{
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
cairo_move_to (cr, 0, 0);
cairo_line_to (cr, width, height);
cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
cairo_set_line_width (cr, 10);
cairo_stroke (cr);
}
mask = cairo_pop_group (cr);
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_mask (cr, mask);
cairo_pattern_destroy (mask);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (a8_clear,
"Test clear on an a8 surface",
"a8, clear", /* keywords */
NULL, /* requirements */
40, 40,
NULL, draw)

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test/a8-clear.ref.png Normal file
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