include/docmodel/theme/ThemeColor.hxx

   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
  11 #pragma once
  12
  13 #include <docmodel/dllapi.h>
  14 #include <vector>
  15 #include <docmodel/theme/ThemeColorType.hxx>
  16 #include <docmodel/color/Transformation.hxx>
  17 #include <tools/color.hxx>
  18
  19 namespace model
  20 {
  21 /** Definition of a theme color
  22  *
  23  * A theme color is defined by the type of theme color and a set of
  24  * transformations that in addition manipulate the resulting color
  25  * (i.e. tints, shades).
  26  */
  27 class DOCMODEL_DLLPUBLIC ThemeColor
  28 {
  29     ThemeColorType meType = ThemeColorType::Unknown;
  30     std::vector<Transformation> maTransformations;
  31
  32 public:
  33     ThemeColor() = default;
  34
  35     ThemeColorType getType() const { return meType; }
  36
  37     void setType(ThemeColorType eType) { meType = eType; }
  38
  39     void clearTransformations() { maTransformations.clear(); }
  40
  41     void setTransformations(std::vector<Transformation> const& rTransformations)
  42     {
  43         maTransformations = rTransformations;
  44     }
  45
  46     void addTransformation(Transformation const& rTransform)
  47     {
  48         maTransformations.push_back(rTransform);
  49     }
  50
  51     void removeTransformations(TransformationType eType)
  52     {
  53         maTransformations.erase(std::remove_if(maTransformations.begin(), maTransformations.end(),
  54                                                [eType](Transformation const& rTransform) {
  55                                                    return rTransform.meType == eType;
  56                                                }),
  57                                 maTransformations.end());
  58     }
  59
  60     std::vector<Transformation> const& getTransformations() const { return maTransformations; }
  61
  62     /** Applies the defined transformations to the input color */
  63     Color applyTransformations(Color const& rColor) const
  64     {
  65         Color aColor(rColor);
  66
  67         for (auto const& rTransform : maTransformations)
  68         {
  69             switch (rTransform.meType)
  70             {
  71                 case TransformationType::Tint:
  72                     aColor.ApplyTintOrShade(rTransform.mnValue);
  73                     break;
  74                 case TransformationType::Shade:
  75                     aColor.ApplyTintOrShade(-rTransform.mnValue);
  76                     break;
  77                 case TransformationType::LumMod:
  78                     aColor.ApplyLumModOff(rTransform.mnValue, 0);
  79                     break;
  80                 case TransformationType::LumOff:
  81                     aColor.ApplyLumModOff(10000, rTransform.mnValue);
  82                     break;
  83                 default:
  84                     break;
  85             }
  86         }
  87         return aColor;
  88     }
  89
  90     bool operator==(const ThemeColor& rThemeColor) const
  91     {
  92         return meType == rThemeColor.meType
  93                && maTransformations.size() == rThemeColor.maTransformations.size()
  94                && std::equal(maTransformations.begin(), maTransformations.end(),
  95                              rThemeColor.maTransformations.begin());
  96     }
  97 };
  98
  99 } // end of namespace model
 100
 101 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */