/*

 * Copyright © 2012 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>

 */

#include "cairo-test.h"

#define SIZE		(2 * 20)

#define PAD		(2)

static cairo_test_status_t

draw_arcs (cairo_t *cr)

{

    double start = M_PI/12, stop = 2*start;

    cairo_move_to (cr, SIZE/2, SIZE/2);

    cairo_arc (cr, SIZE/2, SIZE/2, SIZE/2, start, stop);

    cairo_fill (cr);

    cairo_translate (cr, SIZE+PAD, 0);

    cairo_move_to (cr, SIZE/2, SIZE/2);

    cairo_arc (cr, SIZE/2, SIZE/2, SIZE/2, 2*M_PI-stop, 2*M_PI-start);

    cairo_fill (cr);

    cairo_translate (cr, 0, SIZE+PAD);

    cairo_move_to (cr, SIZE/2, SIZE/2);

    cairo_arc_negative (cr, SIZE/2, SIZE/2, SIZE/2, 2*M_PI-stop, 2*M_PI-start);

    cairo_fill (cr);

    cairo_translate (cr, -SIZE-PAD, 0);

    cairo_move_to (cr, SIZE/2, SIZE/2);

    cairo_arc_negative (cr, SIZE/2, SIZE/2, SIZE/2, start, stop);

    cairo_fill (cr);

    return CAIRO_TEST_SUCCESS;

}

static cairo_test_status_t

draw (cairo_t *cr, int width, int height)

{

    cairo_save (cr);

    cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */

    cairo_paint (cr);

    cairo_restore (cr);

    cairo_save (cr);

    cairo_translate (cr, PAD, PAD);

    draw_arcs(cr);

    cairo_restore (cr);

    cairo_set_source_rgb (cr, 1, 0, 0);

    cairo_translate (cr, 2*SIZE+3*PAD, 0);

    cairo_save (cr);

    cairo_translate (cr, 2*SIZE+2*PAD, PAD);

    cairo_scale (cr, -1, 1);

    draw_arcs(cr);

    cairo_restore (cr);

    cairo_set_source_rgb (cr, 1, 0, 1);

    cairo_translate (cr, 0, 2*SIZE+3*PAD);

    cairo_save (cr);

    cairo_translate (cr, 2*SIZE+2*PAD, 2*SIZE+2*PAD);

    cairo_scale (cr, -1, -1);

    draw_arcs(cr);

    cairo_restore (cr);

    cairo_set_source_rgb (cr, 0, 0, 1);

    cairo_translate (cr, -(2*SIZE+3*PAD), 0);

    cairo_save (cr);

    cairo_translate (cr, PAD, 2*SIZE+2*PAD);

    cairo_scale (cr, 1, -1);

    draw_arcs(cr);

    cairo_restore (cr);

    return CAIRO_TEST_SUCCESS;

}

CAIRO_TEST (arc_direction,

	    "Test drawing positive/negative arcs",

	    "arc, fill", /* keywords */

	    NULL, /* requirements */

	    2*(3*PAD + 2*SIZE), 2*(3*PAD + 2*SIZE),

	    NULL, draw)