oox/source/export/ColorExportUtils.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/config.h>
  11 #include <array>
  12 #include <oox/export/ColorExportUtils.hxx>
  13 #include <docmodel/color/ComplexColor.hxx>
  14
  15 namespace oox
  16 {
  17 double convertColorTransformsToTintOrShade(model::ComplexColor const& rComplexColor)
  18 {
  19     sal_Int16 nLumMod = 10'000;
  20     sal_Int16 nLumOff = 0;
  21
  22     for (auto const& rTransform : rComplexColor.getTransformations())
  23     {
  24         if (rTransform.meType == model::TransformationType::LumMod)
  25             nLumMod = rTransform.mnValue;
  26         if (rTransform.meType == model::TransformationType::LumOff)
  27             nLumOff = rTransform.mnValue;
  28     }
  29
  30     if (nLumMod == 10'000 && nLumOff == 0)
  31         return 0.0;
  32
  33     double fTint = 0.0;
  34
  35     if (nLumOff > 0) // tint
  36         fTint = double(nLumOff) / 10'000.0;
  37     else
  38         fTint = -double(10'000 - nLumMod) / 10'000.0;
  39
  40     return fTint;
  41 }
  42
  43 sal_Int32 convertThemeColorTypeToExcelThemeNumber(model::ThemeColorType eType)
  44 {
  45     if (eType == model::ThemeColorType::Unknown)
  46         return -1;
  47
  48     // Change position of text1 and text2 and background1 and background2 - needed because of an bug in excel, where
  49     // the text and background index positions are switched.
  50     // 0 -> 1, 1 -> 0
  51     // 2 -> 3, 3 -> 2
  52     // everything else stays the same
  53     static constexpr std::array<sal_Int32, 12> constThemeColorMapToXmlMap
  54         = { 1, 0, 3, 2, 4, 5, 6, 7, 8, 9, 10, 11 };
  55
  56     return constThemeColorMapToXmlMap[sal_Int32(eType)];
  57 }
  58 } // end oox
  59
  60 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */