svx/source/theme/ThemeColorPaletteManager.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 <svx/theme/ThemeColorPaletteManager.hxx>
  11
  12 #include <basegfx/color/bcolortools.hxx>
  13 #include <tools/color.hxx>
  14 #include <unotools/resmgr.hxx>
  15 #include <svx/dialmgr.hxx>
  16 #include <svx/strings.hrc>
  17 #include <docmodel/theme/ColorSet.hxx>
  18 #include <docmodel/color/ComplexColorJSON.hxx>
  19 #include <boost/property_tree/json_parser.hpp>
  20
  21 #include <array>
  22
  23 namespace
  24 {
  25 constexpr const std::array<const std::array<sal_Int16, 6>, 5> g_aLumMods = {
  26     std::array<sal_Int16, 6>{ 10'000, 5'000, 6'500, 7'500, 8'500, 9'500 },
  27     std::array<sal_Int16, 6>{ 10'000, 1'000, 2'500, 5'000, 7'500, 9'000 },
  28     std::array<sal_Int16, 6>{ 10'000, 2'000, 4'000, 6'000, 7'500, 5'000 },
  29     std::array<sal_Int16, 6>{ 10'000, 9'000, 7'500, 5'000, 2'500, 1'000 },
  30     std::array<sal_Int16, 6>{ 10'000, 9'500, 8'500, 7'500, 6'500, 5'000 },
  31 };
  32
  33 constexpr const std::array<const std::array<sal_Int16, 6>, 5> g_aLumOffs = {
  34     std::array<sal_Int16, 6>{ 0, 5'000, 3'500, 2'500, 1'500, 0'500 },
  35     std::array<sal_Int16, 6>{ 0, 9'000, 7'500, 5'000, 2'500, 1'000 },
  36     std::array<sal_Int16, 6>{ 0, 8'000, 6'000, 4'000, 0, 0 },
  37     std::array<sal_Int16, 6>{ 0, 0, 0, 0, 0, 0 },
  38     std::array<sal_Int16, 6>{ 0, 0, 0, 0, 0, 0 },
  39 };
  40
  41 } // end anonymous namespace
  42
  43 namespace svx
  44 {
  45 ThemeColorPaletteManager::ThemeColorPaletteManager(
  46     std::shared_ptr<model::ColorSet> const& pColorSet)
  47     : m_pColorSet(pColorSet)
  48 {
  49 }
  50
  51 svx::ThemePaletteCollection ThemeColorPaletteManager::generate()
  52 {
  53     svx::ThemePaletteCollection aThemePaletteCollection;
  54
  55     const std::array<OUString, 12> aColorNames = {
  56         SvxResId(RID_SVXSTR_THEME_COLOR1),  SvxResId(RID_SVXSTR_THEME_COLOR2),
  57         SvxResId(RID_SVXSTR_THEME_COLOR3),  SvxResId(RID_SVXSTR_THEME_COLOR4),
  58         SvxResId(RID_SVXSTR_THEME_COLOR5),  SvxResId(RID_SVXSTR_THEME_COLOR6),
  59         SvxResId(RID_SVXSTR_THEME_COLOR7),  SvxResId(RID_SVXSTR_THEME_COLOR8),
  60         SvxResId(RID_SVXSTR_THEME_COLOR9),  SvxResId(RID_SVXSTR_THEME_COLOR10),
  61         SvxResId(RID_SVXSTR_THEME_COLOR11), SvxResId(RID_SVXSTR_THEME_COLOR12),
  62     };
  63
  64     for (size_t nColor = 0; nColor < aColorNames.size(); ++nColor)
  65     {
  66         auto eThemeType = model::convertToThemeColorType(nColor);
  67         if (eThemeType == model::ThemeColorType::Unknown)
  68             continue;
  69
  70         auto& aThemeColorData = aThemePaletteCollection.maColors[nColor];
  71         aThemeColorData.meThemeColorType = eThemeType;
  72
  73         Color aThemeColor = m_pColorSet->getColor(eThemeType);
  74         aThemeColorData.maBaseColor = aThemeColor;
  75
  76         basegfx::BColor aHSLColor = basegfx::utils::rgb2hsl(aThemeColor.getBColor());
  77         double aLuminanceValue = aHSLColor.getBlue() * 255.0;
  78
  79         for (size_t nEffect : { 0, 1, 2, 3, 4, 5 })
  80         {
  81             auto& rEffect = aThemeColorData.maEffects[nEffect];
  82             size_t nIndex = 0;
  83
  84             if (aLuminanceValue < 0.5)
  85                 nIndex = 0; // Black
  86             else if (aLuminanceValue > 254.5)
  87                 nIndex = 4; // White
  88             else if (aLuminanceValue < 50.5)
  89                 nIndex = 1; // Low
  90             else if (aLuminanceValue > 203.5)
  91                 nIndex = 3; // High
  92             else
  93                 nIndex = 2; // Middle
  94
  95             rEffect.mnLumOff = g_aLumOffs[nIndex][nEffect];
  96             rEffect.mnLumMod = g_aLumMods[nIndex][nEffect];
  97
  98             rEffect.maColor = aThemeColor;
  99             rEffect.maColor.ApplyLumModOff(rEffect.mnLumMod, rEffect.mnLumOff);
 100
 101             OUString aColorName;
 102             sal_Int16 nPercent = rEffect.getPercentage();
 103
 104             OUString aTemplate;
 105             if (nPercent > 0)
 106             {
 107                 aTemplate = SvxResId(RID_SVXSTR_THEME_EFFECT_LIGHTER);
 108             }
 109             else if (nPercent < 0)
 110             {
 111                 aTemplate = SvxResId(RID_SVXSTR_THEME_EFFECT_DARKER);
 112             }
 113
 114             if (!aTemplate.isEmpty())
 115             {
 116                 aColorName = aTemplate.replaceAll("$THEME_NAME", aColorNames[nColor]);
 117                 aColorName
 118                     = aColorName.replaceAll("$PERCENTAGE", OUString::number(std::abs(nPercent)));
 119             }
 120             else
 121             {
 122                 aColorName = aColorNames[nColor];
 123             }
 124             rEffect.maColorName = aColorName;
 125         }
 126     }
 127     return aThemePaletteCollection;
 128 }
 129
 130 OString ThemeColorPaletteManager::generateJSON()
 131 {
 132     svx::ThemePaletteCollection aThemePaletteCollection = generate();
 133
 134     boost::property_tree::ptree aTree;
 135     boost::property_tree::ptree aColorListTree;
 136
 137     for (size_t nEffect = 0; nEffect < 6; ++nEffect)
 138     {
 139         boost::property_tree::ptree aColorRowTree;
 140         for (size_t nIndex = 0; nIndex < 12; ++nIndex)
 141         {
 142             auto const& rColorData = aThemePaletteCollection.maColors[nIndex];
 143             auto const& rEffectData = rColorData.maEffects[nEffect];
 144
 145             boost::property_tree::ptree aColorTree;
 146             aColorTree.put("Value", rEffectData.maColor.AsRGBHexString().toUtf8());
 147             aColorTree.put("Name", rEffectData.maColorName.toUtf8());
 148
 149             model::ComplexColor aComplexColor;
 150             aComplexColor.setSchemeColor(rColorData.meThemeColorType);
 151             aComplexColor.addTransformation(
 152                 { model::TransformationType::LumMod, rEffectData.mnLumMod });
 153             aComplexColor.addTransformation(
 154                 { model::TransformationType::LumOff, rEffectData.mnLumOff });
 155             boost::property_tree::ptree aDataTree;
 156             model::color::convertToJSONTree(aDataTree, aComplexColor);
 157             aColorTree.add_child("Data", aDataTree);
 158             aColorRowTree.push_back(std::make_pair("", aColorTree));
 159         }
 160         aColorListTree.push_back(std::make_pair("", aColorRowTree));
 161     }
 162
 163     aTree.add_child("ThemeColors", aColorListTree);
 164
 165     std::stringstream aStream;
 166     boost::property_tree::write_json(aStream, aTree);
 167
 168     return OString(aStream.str());
 169 }
 170
 171 } // end svx namespace
 172
 173 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */