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/*
* Copyright © 2005 Red Hat, Inc.
* Copyright © 2006 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: Carl D. Worth <cworth@cworth.org>
*/
#include "cairo-test.h"
static uint32_t data[16] = {
0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000,
0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000,
0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff,
0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff
};
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_surface_t *surface;
surface = cairo_image_surface_create_for_data ((unsigned char *) data,
CAIRO_FORMAT_RGB24, 4, 4, 16);
cairo_test_paint_checkered (cr);
cairo_scale (cr, 4, 4);
cairo_set_source_surface (cr, surface, 2 , 2);
cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST);
cairo_paint_with_alpha (cr, 0.5);
cairo_surface_finish (surface); /* data will go out of scope */
cairo_surface_destroy (surface);
return CAIRO_TEST_SUCCESS;
}
static cairo_test_status_t
draw_solid_clip (cairo_t *cr, int width, int height)
{
cairo_test_paint_checkered (cr);
cairo_rectangle (cr, 2.5, 2.5, 27, 27);
cairo_clip (cr);
cairo_set_source_rgb (cr, 1., 0.,0.);
cairo_paint_with_alpha (cr, 0.5);
return CAIRO_TEST_SUCCESS;
}
static cairo_test_status_t
draw_clip (cairo_t *cr, int width, int height)
{
cairo_surface_t *surface;
surface = cairo_image_surface_create_for_data ((unsigned char *) data,
CAIRO_FORMAT_RGB24, 4, 4, 16);
cairo_test_paint_checkered (cr);
cairo_rectangle (cr, 10.5, 10.5, 11, 11);
cairo_clip (cr);
cairo_scale (cr, 4, 4);
cairo_set_source_surface (cr, surface, 2 , 2);
cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST);
cairo_paint_with_alpha (cr, 0.5);
cairo_surface_finish (surface); /* data will go out of scope */
cairo_surface_destroy (surface);
return CAIRO_TEST_SUCCESS;
}
static cairo_test_status_t
draw_clip_mask (cairo_t *cr, int width, int height)
{
cairo_surface_t *surface;
surface = cairo_image_surface_create_for_data ((unsigned char *) data,
CAIRO_FORMAT_RGB24, 4, 4, 16);
cairo_test_paint_checkered (cr);
cairo_move_to (cr, 16, 5);
cairo_line_to (cr, 5, 16);
cairo_line_to (cr, 16, 27);
cairo_line_to (cr, 27, 16);
cairo_clip (cr);
cairo_scale (cr, 4, 4);
cairo_set_source_surface (cr, surface, 2 , 2);
cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST);
cairo_paint_with_alpha (cr, 0.5);
cairo_surface_finish (surface); /* data will go out of scope */
cairo_surface_destroy (surface);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (paint_with_alpha,
"Simple test of cairo_paint_with_alpha",
"paint, alpha", /* keywords */
NULL, /* requirements */
32, 32,
NULL, draw)
CAIRO_TEST (paint_with_alpha_solid_clip,
"Simple test of cairo_paint_with_alpha+unaligned clip",
"paint, alpha, clip", /* keywords */
NULL, /* requirements */
32, 32,
NULL, draw_solid_clip)
CAIRO_TEST (paint_with_alpha_clip,
"Simple test of cairo_paint_with_alpha+unaligned clip",
"paint, alpha, clip", /* keywords */
NULL, /* requirements */
32, 32,
NULL, draw_clip)
CAIRO_TEST (paint_with_alpha_clip_mask,
"Simple test of cairo_paint_with_alpha+unaligned clip",
"paint, alpha, clip", /* keywords */
NULL, /* requirements */
32, 32,
NULL, draw_clip_mask)