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/*
* Copyright 2009 Intel Corporation
*
* 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
* Intel not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. Intel makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* INTEL CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL INTEL CORPORATION 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"
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_surface_t *region[5];
const char *text = "Cairo";
int i;
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
cairo_set_source_rgb (cr, 0, 0, 0);
for (i = 0; i < 5; i++) {
cairo_t *cr_region;
cairo_text_extents_t extents;
char buf[2] = { text[i], '\0' };
region[i] = cairo_surface_create_for_rectangle (cairo_get_target (cr),
20 * i, 0, 20, 20);
cr_region = cairo_create (region[i]);
cairo_surface_destroy (region[i]);
cairo_select_font_face (cr_region, "@cairo:",
CAIRO_FONT_WEIGHT_NORMAL,
CAIRO_FONT_SLANT_NORMAL);
cairo_set_font_size (cr_region, 20);
cairo_text_extents (cr_region, buf, &extents);
cairo_move_to (cr_region,
10 - (extents.width/2 + extents.x_bearing),
10 - (extents.height/2 + extents.y_bearing));
cairo_show_text (cr_region, buf);
region[i] = cairo_surface_reference (cairo_get_target (cr_region));
cairo_destroy (cr_region);
}
for (i = 0; i < 5; i++) {
cairo_set_source_surface (cr, region[5-i-1], 20 * i, 20);
cairo_paint (cr);
}
for (i = 0; i < 5; i++) {
cairo_set_source_surface (cr, region[5-i-1], 20 * i, 40);
cairo_paint_with_alpha (cr, .5);
}
for (i = 0; i < 5; i++)
cairo_surface_destroy (region[i]);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (subsurface,
"Tests clipping of both source and destination using subsurfaces",
"subsurface", /* keywords */
NULL, /* requirements */
100, 60,
NULL, draw)
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