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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <sal/types.h>
#include <cppunit/TestAssert.h>
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/HelperMacros.h>
#include <tools/color.hxx>
namespace
{
class Test: public CppUnit::TestFixture
{
public:
void testVariables();
void test_asRGBColor();
void test_ApplyTintOrShade();
void testGetColorError();
void testInvert();
void testBColor();
CPPUNIT_TEST_SUITE(Test);
CPPUNIT_TEST(testVariables);
CPPUNIT_TEST(test_asRGBColor);
CPPUNIT_TEST(test_ApplyTintOrShade);
CPPUNIT_TEST(testGetColorError);
CPPUNIT_TEST(testInvert);
CPPUNIT_TEST(testBColor);
CPPUNIT_TEST_SUITE_END();
};
void Test::testVariables()
{
Color aColor(0x44, 0x88, 0xAA);
CPPUNIT_ASSERT_EQUAL(int(0x00), int(aColor.A));
CPPUNIT_ASSERT_EQUAL(int(0x44), int(aColor.R));
CPPUNIT_ASSERT_EQUAL(int(0x88), int(aColor.G));
CPPUNIT_ASSERT_EQUAL(int(0xAA), int(aColor.B));
CPPUNIT_ASSERT_EQUAL(int(0x004488AA), int(aColor.mValue));
aColor.mValue = 0xAABBCCDD;
CPPUNIT_ASSERT_EQUAL(int(0xAA), int(aColor.A));
CPPUNIT_ASSERT_EQUAL(int(0xBB), int(aColor.R));
CPPUNIT_ASSERT_EQUAL(int(0xCC), int(aColor.G));
CPPUNIT_ASSERT_EQUAL(int(0xDD), int(aColor.B));
aColor.A = 0x11;
CPPUNIT_ASSERT_EQUAL(int(0x11BBCCDD), int(aColor.mValue));
aColor.R = 0x22;
CPPUNIT_ASSERT_EQUAL(int(0x1122CCDD), int(aColor.mValue));
aColor.G = 0x33;
CPPUNIT_ASSERT_EQUAL(int(0x112233DD), int(aColor.mValue));
aColor.B = 0x44;
CPPUNIT_ASSERT_EQUAL(int(0x11223344), int(aColor.mValue));
aColor.SetTransparency(0x77);
CPPUNIT_ASSERT_EQUAL(int(0x77223344), int(aColor.mValue));
aColor.SetRed(0x88);
CPPUNIT_ASSERT_EQUAL(int(0x77883344), int(aColor.mValue));
aColor.SetGreen(0x99);
CPPUNIT_ASSERT_EQUAL(int(0x77889944), int(aColor.mValue));
aColor.SetBlue(0xAA);
CPPUNIT_ASSERT_EQUAL(int(0x778899AA), int(aColor.mValue));
}
void Test::test_asRGBColor()
{
Color aColor;
aColor = COL_BLACK;
CPPUNIT_ASSERT_EQUAL(OUString("000000"), aColor.AsRGBHexString());
aColor = COL_WHITE;
CPPUNIT_ASSERT_EQUAL(OUString("ffffff"), aColor.AsRGBHexString());
aColor = COL_RED;
CPPUNIT_ASSERT_EQUAL(OUString("800000"), aColor.AsRGBHexString());
aColor = COL_TRANSPARENT;
CPPUNIT_ASSERT_EQUAL(OUString("ffffff"), aColor.AsRGBHexString());
aColor = COL_BLUE;
CPPUNIT_ASSERT_EQUAL(OUString("000080"), aColor.AsRGBHexString());
aColor.SetRed(0x12);
aColor.SetGreen(0x34);
aColor.SetBlue(0x56);
CPPUNIT_ASSERT_EQUAL(OUString("123456"), aColor.AsRGBHexString());
aColor = COL_AUTO;
CPPUNIT_ASSERT_EQUAL(OUString("ffffff"), aColor.AsRGBHexString());
}
OUString createTintShade(sal_uInt8 nR, sal_uInt8 nG, sal_uInt8 nB, OUString const & sReference, sal_Int16 nTintShade)
{
Color aColor(nR, nG, nB);
if (sReference != aColor.AsRGBHexString())
return OUString();
aColor.ApplyTintOrShade(nTintShade);
return aColor.AsRGBHexString();
}
void Test::test_ApplyTintOrShade()
{
// BLACK reference
// 5% tint
CPPUNIT_ASSERT_EQUAL(OUString("0d0d0d"), createTintShade(0x00, 0x00, 0x00, "000000", 500));
// 15% tint
CPPUNIT_ASSERT_EQUAL(OUString("262626"), createTintShade(0x00, 0x00, 0x00, "000000", 1500));
// 25% tint
CPPUNIT_ASSERT_EQUAL(OUString("404040"), createTintShade(0x00, 0x00, 0x00, "000000", 2500));
// 50% tint
CPPUNIT_ASSERT_EQUAL(OUString("808080"), createTintShade(0x00, 0x00, 0x00, "000000", 5000));
// 100% tint
CPPUNIT_ASSERT_EQUAL(OUString("ffffff"), createTintShade(0x00, 0x00, 0x00, "000000", 10000));
// WHITE reference
// 5% shade
CPPUNIT_ASSERT_EQUAL(OUString("f2f2f2"), createTintShade(0xff, 0xff, 0xff, "ffffff", -500));
// 15% shade
CPPUNIT_ASSERT_EQUAL(OUString("d9d9d9"), createTintShade(0xff, 0xff, 0xff, "ffffff", -1500));
// 25% shade
CPPUNIT_ASSERT_EQUAL(OUString("bfbfbf"), createTintShade(0xff, 0xff, 0xff, "ffffff", -2500));
// 50% shade
CPPUNIT_ASSERT_EQUAL(OUString("808080"), createTintShade(0xff, 0xff, 0xff, "ffffff", -5000));
// 100% shade
CPPUNIT_ASSERT_EQUAL(OUString("000000"), createTintShade(0xff, 0xff, 0xff, "ffffff", -10000));
// GREY reference
// 0% - no change
CPPUNIT_ASSERT_EQUAL(OUString("808080"), createTintShade(0x80, 0x80, 0x80, "808080", 0));
// 25% tint
CPPUNIT_ASSERT_EQUAL(OUString("a0a0a0"), createTintShade(0x80, 0x80, 0x80, "808080", 2500));
// 50% tint
//CPPUNIT_ASSERT_EQUAL(OUString("c0c0c0"), createTintShade(0x80, 0x80, 0x80, "808080", 5000));
// disable for now - a rounding error happens on come platforms...
// 100% tint
CPPUNIT_ASSERT_EQUAL(OUString("ffffff"), createTintShade(0x80, 0x80, 0x80, "808080", 10000));
// 25% shade
CPPUNIT_ASSERT_EQUAL(OUString("606060"), createTintShade(0x80, 0x80, 0x80, "808080", -2500));
// 50% shade
CPPUNIT_ASSERT_EQUAL(OUString("404040"), createTintShade(0x80, 0x80, 0x80, "808080", -5000));
// 100% shade
CPPUNIT_ASSERT_EQUAL(OUString("000000"), createTintShade(0x80, 0x80, 0x80, "808080", -10000));
}
void Test::testGetColorError()
{
CPPUNIT_ASSERT_EQUAL(sal_uInt16(0), Color(0xAA, 0xBB, 0xCC).GetColorError(Color(0xAA, 0xBB, 0xCC)));
CPPUNIT_ASSERT_EQUAL(sal_uInt16(1), Color(0xA0, 0xB0, 0xC0).GetColorError(Color(0xA1, 0xB0, 0xC0)));
CPPUNIT_ASSERT_EQUAL(sal_uInt16(1), Color(0xA0, 0xB0, 0xC0).GetColorError(Color(0xA0, 0xB1, 0xC0)));
CPPUNIT_ASSERT_EQUAL(sal_uInt16(1), Color(0xA0, 0xB0, 0xC0).GetColorError(Color(0xA0, 0xB0, 0xC1)));
CPPUNIT_ASSERT_EQUAL(sal_uInt16(2), Color(0xA0, 0xB0, 0xC0).GetColorError(Color(0xA1, 0xB1, 0xC0)));
CPPUNIT_ASSERT_EQUAL(sal_uInt16(2), Color(0xA0, 0xB0, 0xC0).GetColorError(Color(0xA0, 0xB1, 0xC1)));
CPPUNIT_ASSERT_EQUAL(sal_uInt16(2), Color(0xA0, 0xB0, 0xC0).GetColorError(Color(0xA1, 0xB0, 0xC1)));
CPPUNIT_ASSERT_EQUAL(sal_uInt16(3), Color(0xA0, 0xB0, 0xC0).GetColorError(Color(0xA1, 0xB1, 0xC1)));
CPPUNIT_ASSERT_EQUAL(sal_uInt16(3), Color(0xA0, 0xB0, 0xC0).GetColorError(Color(0xA1, 0xB1, 0xC1)));
CPPUNIT_ASSERT_EQUAL(sal_uInt16(3), Color(0xA0, 0xB0, 0xC0).GetColorError(Color(0xA1, 0xB1, 0xC1)));
}
void Test::testInvert()
{
Color aColor(0xFF, 0x00, 0x88);
aColor.Invert();
CPPUNIT_ASSERT_EQUAL(Color(0x00, 0xFF, 0x77).AsRGBHexString(), aColor.AsRGBHexString());
// Alpha should be unaffected
aColor = Color(0x22, 0xFF, 0x00, 0x88);
aColor.Invert();
CPPUNIT_ASSERT_EQUAL(Color(0x22, 0x00, 0xFF, 0x77).AsRGBHexString(), aColor.AsRGBHexString());
}
void Test::testBColor()
{
Color aColor;
aColor = Color(basegfx::BColor(0.0, 0.0, 0.0));
CPPUNIT_ASSERT_EQUAL(Color(0x00, 0x00, 0x00).AsRGBHexString(), aColor.AsRGBHexString());
CPPUNIT_ASSERT_EQUAL(0.0, aColor.getBColor().getRed());
CPPUNIT_ASSERT_EQUAL(0.0, aColor.getBColor().getGreen());
CPPUNIT_ASSERT_EQUAL(0.0, aColor.getBColor().getBlue());
aColor = Color(basegfx::BColor(1.0, 1.0, 1.0));
CPPUNIT_ASSERT_EQUAL(Color(0xFF, 0xFF, 0xFF).AsRGBHexString(), aColor.AsRGBHexString());
CPPUNIT_ASSERT_EQUAL(1.0, aColor.getBColor().getRed());
CPPUNIT_ASSERT_EQUAL(1.0, aColor.getBColor().getGreen());
CPPUNIT_ASSERT_EQUAL(1.0, aColor.getBColor().getBlue());
aColor = Color(basegfx::BColor(0.5, 0.25, 0.125));
CPPUNIT_ASSERT_EQUAL(Color(0x80, 0x40, 0x20).AsRGBHexString(), aColor.AsRGBHexString());
// FP error is rather big, but that's normal
CPPUNIT_ASSERT_DOUBLES_EQUAL(0.500, aColor.getBColor().getRed(), 1E-2);
CPPUNIT_ASSERT_DOUBLES_EQUAL(0.250, aColor.getBColor().getGreen(), 1E-2);
CPPUNIT_ASSERT_DOUBLES_EQUAL(0.125, aColor.getBColor().getBlue(), 1E-2);
}
CPPUNIT_TEST_SUITE_REGISTRATION(Test);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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