tools/qa/cppunit/test_color.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <sal/types.h>
  11 #include <cppunit/TestAssert.h>
  12 #include <cppunit/TestFixture.h>
  13 #include <cppunit/extensions/HelperMacros.h>
  14 #include <cppunit/plugin/TestPlugIn.h>
  15 #include <tools/color.hxx>
  16 #include <tools/stream.hxx>
  17
  18 namespace
  19 {
  20
  21 class Test: public CppUnit::TestFixture
  22 {
  23 public:
  24     void test_asRGBColor();
  25     void test_readAndWriteStream();
  26     void test_ApplyTintOrShade();
  27
  28     CPPUNIT_TEST_SUITE(Test);
  29     CPPUNIT_TEST(test_asRGBColor);
  30     CPPUNIT_TEST(test_readAndWriteStream);
  31     CPPUNIT_TEST(test_ApplyTintOrShade);
  32     CPPUNIT_TEST_SUITE_END();
  33 };
  34
  35 void Test::test_asRGBColor()
  36 {
  37     Color aColor;
  38     aColor = COL_BLACK;
  39     CPPUNIT_ASSERT_EQUAL(aColor.AsRGBHexString(), OUString("000000"));
  40
  41     aColor = COL_WHITE;
  42     CPPUNIT_ASSERT_EQUAL(aColor.AsRGBHexString(), OUString("ffffff"));
  43
  44     aColor = COL_RED;
  45     CPPUNIT_ASSERT_EQUAL(aColor.AsRGBHexString(), OUString("800000"));
  46
  47     aColor = COL_TRANSPARENT;
  48     CPPUNIT_ASSERT_EQUAL(aColor.AsRGBHexString(), OUString("ffffff"));
  49
  50     aColor = COL_BLUE;
  51     CPPUNIT_ASSERT_EQUAL(aColor.AsRGBHexString(), OUString("000080"));
  52
  53     aColor.SetRed(0x12);
  54     aColor.SetGreen(0x34);
  55     aColor.SetBlue(0x56);
  56     CPPUNIT_ASSERT_EQUAL(aColor.AsRGBHexString(), OUString("123456"));
  57
  58     aColor = COL_AUTO;
  59     CPPUNIT_ASSERT_EQUAL(aColor.AsRGBHexString(), OUString("ffffff"));
  60 }
  61
  62 void Test::test_readAndWriteStream()
  63 {
  64     SvMemoryStream aStream;
  65     Color aWriteColor(0x12, 0x34, 0x56);
  66     Color aReadColor;
  67
  68     WriteColor(aStream, aWriteColor);
  69
  70     aStream.Seek(STREAM_SEEK_TO_BEGIN);
  71
  72     ReadColor(aStream, aReadColor);
  73
  74     CPPUNIT_ASSERT_EQUAL(sal_uInt8(0x12), aReadColor.GetRed());
  75     CPPUNIT_ASSERT_EQUAL(sal_uInt8(0x34), aReadColor.GetGreen());
  76     CPPUNIT_ASSERT_EQUAL(sal_uInt8(0x56), aReadColor.GetBlue());
  77 }
  78
  79 OUString createTintShade(sal_uInt8 nR, sal_uInt8 nG, sal_uInt8 nB, OUString const & sReference, sal_Int16 nTintShade)
  80 {
  81     Color aColor(nR, nG, nB);
  82     if (sReference != aColor.AsRGBHexString())
  83         return OUString();
  84     aColor.ApplyTintOrShade(nTintShade);
  85     return aColor.AsRGBHexString();
  86 }
  87
  88 void Test::test_ApplyTintOrShade()
  89 {
  90     // BLACK reference
  91
  92     // 5% tint
  93     CPPUNIT_ASSERT_EQUAL(OUString("0d0d0d"), createTintShade(0x00, 0x00, 0x00, "000000",  500));
  94     // 15% tint
  95     CPPUNIT_ASSERT_EQUAL(OUString("262626"), createTintShade(0x00, 0x00, 0x00, "000000",  1500));
  96     // 25% tint
  97     CPPUNIT_ASSERT_EQUAL(OUString("404040"), createTintShade(0x00, 0x00, 0x00, "000000",  2500));
  98     // 50% tint
  99     CPPUNIT_ASSERT_EQUAL(OUString("808080"), createTintShade(0x00, 0x00, 0x00, "000000",  5000));
 100     // 100% tint
 101     CPPUNIT_ASSERT_EQUAL(OUString("ffffff"), createTintShade(0x00, 0x00, 0x00, "000000", 10000));
 102
 103     // WHITE reference
 104
 105     // 5% shade
 106     CPPUNIT_ASSERT_EQUAL(OUString("f2f2f2"), createTintShade(0xff, 0xff, 0xff, "ffffff",   -500));
 107     // 15% shade
 108     CPPUNIT_ASSERT_EQUAL(OUString("d9d9d9"), createTintShade(0xff, 0xff, 0xff, "ffffff",  -1500));
 109     // 25% shade
 110     CPPUNIT_ASSERT_EQUAL(OUString("bfbfbf"), createTintShade(0xff, 0xff, 0xff, "ffffff",  -2500));
 111     // 50% shade
 112     CPPUNIT_ASSERT_EQUAL(OUString("808080"), createTintShade(0xff, 0xff, 0xff, "ffffff",  -5000));
 113     // 100% shade
 114     CPPUNIT_ASSERT_EQUAL(OUString("000000"), createTintShade(0xff, 0xff, 0xff, "ffffff", -10000));
 115
 116     // GREY reference
 117
 118     // 0% - no change
 119     CPPUNIT_ASSERT_EQUAL(OUString("808080"), createTintShade(0x80, 0x80, 0x80, "808080",      0));
 120
 121     // 25% tint
 122     CPPUNIT_ASSERT_EQUAL(OUString("a0a0a0"), createTintShade(0x80, 0x80, 0x80, "808080",   2500));
 123     // 50% tint
 124     //CPPUNIT_ASSERT_EQUAL(OUString("c0c0c0"), createTintShade(0x80, 0x80, 0x80, "808080",   5000));
 125     // disable for now - a rounding error happens on come platforms..
 126     // 100% tint
 127     CPPUNIT_ASSERT_EQUAL(OUString("ffffff"), createTintShade(0x80, 0x80, 0x80, "808080",  10000));
 128
 129     // 25% shade
 130     CPPUNIT_ASSERT_EQUAL(OUString("606060"), createTintShade(0x80, 0x80, 0x80, "808080",  -2500));
 131     // 50% shade
 132     CPPUNIT_ASSERT_EQUAL(OUString("404040"), createTintShade(0x80, 0x80, 0x80, "808080",  -5000));
 133     // 100% shade
 134     CPPUNIT_ASSERT_EQUAL(OUString("000000"), createTintShade(0x80, 0x80, 0x80, "808080", -10000));
 135
 136 }
 137
 138 CPPUNIT_TEST_SUITE_REGISTRATION(Test);
 139
 140 }
 141
 142 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */