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/*
* Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of the
* License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include "mdc.h"
#include "mdc_algorithms.h"
#include "wb_helpers.h"
using namespace mdc;
using namespace base;
BEGIN_TEST_DATA_CLASS(canvas_algorithms)
END_TEST_DATA_CLASS
TEST_MODULE(canvas_algorithms, "Canvas: algorithms");
// line intersection
TEST_FUNCTION(1)
{
Point p;
bool flag;
//
// -------
//
// |
// |
//
flag= intersect_lines(Point(0, 0), Point(50, 0),
Point(25, 25), Point(25, 100),
p);
ensure("line intersection1", !flag);
//
// |
// -------
// |
//
flag= intersect_lines(Point(0, 25), Point(50, 25),
Point(25, 0), Point(25, 50),
p);
ensure("line intersection2", flag);
ensure_equals("line intersection2 x", p.x, 25);
ensure_equals("line intersection2 y", p.y, 25);
}
TEST_FUNCTION(2) // rect intersection with line
{
Rect rect(Point(0, 0), Size(50, 50));
Point p1, p2;
bool flag;
flag= intersect_rect_to_line(rect, Point(25,25), Point(25,100), p1, p2);
ensure("intersection of rect to line from center", flag);
ensure("intersection of rect to line from center should be 1 pt", p1==p2);
ensure_equals("intersection of rect to line from center x", p1.x, 25);
ensure_equals("intersection of rect to line from center y", p1.y, 50);
}
END_TESTS
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