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