docmodel/source/color/ComplexColorJSON.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
  11 #include <docmodel/color/ComplexColorJSON.hxx>
  12 #include <sstream>
  13 #include <utility>
  14 #include <sal/log.hxx>
  15
  16 namespace model::color
  17 {
  18 bool convertFromJSON(OString const& rJsonString, model::ComplexColor& rComplexColor)
  19 {
  20     model::ComplexColor aComplexColor;
  21
  22     try
  23     {
  24         std::stringstream aStream((std::string(rJsonString)));
  25         boost::property_tree::ptree aRootTree;
  26         boost::property_tree::read_json(aStream, aRootTree);
  27
  28         sal_Int32 nThemeType = aRootTree.get<sal_Int32>("ThemeIndex", -1);
  29         aComplexColor.setSchemeColor(model::convertToThemeColorType(nThemeType));
  30         boost::property_tree::ptree aTransformTree = aRootTree.get_child("Transformations");
  31         for (const auto& rEachTransformationNode :
  32              boost::make_iterator_range(aTransformTree.equal_range("")))
  33         {
  34             auto const& rTransformationTree = rEachTransformationNode.second;
  35             std::string sType = rTransformationTree.get<std::string>("Type", "");
  36             sal_Int16 nValue = rTransformationTree.get<sal_Int16>("Value", 0);
  37
  38             auto eType = model::TransformationType::Undefined;
  39             if (sType == "LumOff")
  40                 eType = model::TransformationType::LumOff;
  41             else if (sType == "LumMod")
  42                 eType = model::TransformationType::LumMod;
  43             else if (sType == "Tint")
  44                 eType = model::TransformationType::Tint;
  45             else if (sType == "Shade")
  46                 eType = model::TransformationType::Shade;
  47
  48             if (eType != model::TransformationType::Undefined)
  49                 aComplexColor.addTransformation({ eType, nValue });
  50         }
  51     }
  52     catch (const boost::property_tree::json_parser_error& /*exception*/)
  53     {
  54         return false;
  55     }
  56
  57     rComplexColor = aComplexColor;
  58     return true;
  59 }
  60
  61 void convertToJSONTree(boost::property_tree::ptree& rTree, model::ComplexColor const& rComplexColor)
  62 {
  63     rTree.put("ThemeIndex", sal_Int16(rComplexColor.getSchemeType()));
  64
  65     boost::property_tree::ptree aTransformationsList;
  66     for (auto const& rTransformation : rComplexColor.getTransformations())
  67     {
  68         std::string aType;
  69         switch (rTransformation.meType)
  70         {
  71             case model::TransformationType::LumMod:
  72                 aType = "LumMod";
  73                 break;
  74             case model::TransformationType::LumOff:
  75                 aType = "LumOff";
  76                 break;
  77             case model::TransformationType::Tint:
  78                 aType = "Tint";
  79                 break;
  80             case model::TransformationType::Shade:
  81                 aType = "Shade";
  82                 break;
  83             default:
  84                 break;
  85         }
  86         if (!aType.empty())
  87         {
  88             boost::property_tree::ptree aChild;
  89             aChild.put("Type", aType);
  90             aChild.put("Value", rTransformation.mnValue);
  91             aTransformationsList.push_back(std::make_pair("", aChild));
  92         }
  93     }
  94     rTree.add_child("Transformations", aTransformationsList);
  95 }
  96
  97 OString convertToJSON(model::ComplexColor const& rComplexColor)
  98 {
  99     boost::property_tree::ptree aTree;
 100     convertToJSONTree(aTree, rComplexColor);
 101     std::stringstream aStream;
 102     boost::property_tree::write_json(aStream, aTree);
 103     return OString(aStream.str());
 104 }
 105
 106 } // end model::theme
 107
 108 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */