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/*
* Copyright (C) 2011 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "cc/CCMathUtil.h"
#include "FloatQuad.h"
#include <gtest/gtest.h>
#include <public/WebTransformationMatrix.h>
using namespace WebCore;
using WebKit::WebTransformationMatrix;
namespace {
TEST(FloatQuadTest, IsRectilinearTest)
{
const int numRectilinear = 8;
WebTransformationMatrix rectilinearTrans[numRectilinear];
rectilinearTrans[1].rotate(90);
rectilinearTrans[2].rotate(180);
rectilinearTrans[3].rotate(270);
rectilinearTrans[4].skewX(0.00000000001);
rectilinearTrans[5].skewY(0.00000000001);
rectilinearTrans[6].scale(0.00001);
rectilinearTrans[6].rotate(180);
rectilinearTrans[7].scale(100000);
rectilinearTrans[7].rotate(180);
for (int i = 0; i < numRectilinear; ++i) {
bool clipped = false;
FloatQuad quad = CCMathUtil::mapQuad(rectilinearTrans[i], FloatRect(0.01010101f, 0.01010101f, 100.01010101f, 100.01010101f), clipped);
ASSERT_TRUE(!clipped);
EXPECT_TRUE(quad.isRectilinear());
}
const int numNonRectilinear = 10;
WebTransformationMatrix nonRectilinearTrans[numNonRectilinear];
nonRectilinearTrans[0].rotate(359.999);
nonRectilinearTrans[1].rotate(0.0000001);
nonRectilinearTrans[2].rotate(89.999999);
nonRectilinearTrans[3].rotate(90.0000001);
nonRectilinearTrans[4].rotate(179.999999);
nonRectilinearTrans[5].rotate(180.0000001);
nonRectilinearTrans[6].rotate(269.999999);
nonRectilinearTrans[7].rotate(270.0000001);
nonRectilinearTrans[8].skewX(0.00001);
nonRectilinearTrans[9].skewY(0.00001);
for (int i = 0; i < numNonRectilinear; ++i) {
bool clipped = false;
FloatQuad quad = CCMathUtil::mapQuad(nonRectilinearTrans[i], FloatRect(0.01010101f, 0.01010101f, 100.01010101f, 100.01010101f), clipped);
ASSERT_TRUE(!clipped);
EXPECT_FALSE(quad.isRectilinear());
}
}
} // empty namespace
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