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/*
* Copyright © 2007 Red Hat, Inc.
*
* 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: Carl D. Worth <cworth@cworth.org>
*/
#include "cairo-test.h"
#define SIZE 40
#define PAD 2
#define WIDTH (PAD + SIZE + PAD)
#define HEIGHT WIDTH
/* This test is designed to explore the interactions of "native" and
* "fallback" objects. For the ps surface, OVER with non-1.0 opacity
* will be a fallback while SOURCE will be native. For the pdf
* surface, it's the reverse where OVER is native while SOURCE is a
* fallback. */
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_translate (cr, PAD, PAD);
/* A green triangle with OVER */
cairo_move_to (cr, SIZE / 5, SIZE / 5);
cairo_rel_line_to (cr, SIZE / 2, 0);
cairo_rel_line_to (cr, -SIZE / 2, SIZE / 2);
cairo_close_path (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
cairo_set_source_rgba (cr, 0., 1., 0., 0.5); /* 50% green */
cairo_fill (cr);
/* A red circle with SOURCE */
cairo_arc (cr, SIZE / 2, SIZE / 2, SIZE / 4, 0., 2. * M_PI);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_rgba (cr, 1., 0., 0., 0.5); /* 50% red */
cairo_fill (cr);
/* Another green triangle with OVER */
cairo_move_to (cr, SIZE / 2, SIZE / 2);
cairo_rel_line_to (cr, SIZE / 2, 0);
cairo_rel_line_to (cr, -SIZE / 2, SIZE / 2);
cairo_close_path (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
cairo_set_source_rgba (cr, 0., 1., 0., 0.5); /* 50% green */
cairo_fill (cr);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (over_around_source,
"A simple test drawing a triangle with SOURCE between two circles drawn with OVER",
"operator", /* keywords */
NULL, /* requirements */
WIDTH, HEIGHT,
NULL, draw)
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