starmath/source/tmpdevice.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  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <smmod.hxx>
  21 #include <utility.hxx>
  22
  23 #include "tmpdevice.hxx"
  24
  25 #include <svtools/colorcfg.hxx>
  26 #include <sal/log.hxx>
  27
  28 // SmTmpDevice
  29 // Allows for font and color changes. The original settings will be restored
  30 // in the destructor.
  31 // It's main purpose is to allow for the "const" in the 'OutputDevice'
  32 // argument in the 'Arrange' functions and restore changes made in the 'Draw'
  33 // functions.
  34 // Usually a MapMode of 1/100th mm will be used.
  35
  36 SmTmpDevice::SmTmpDevice(OutputDevice &rTheDev, bool bUseMap100th_mm) :
  37     rOutDev(rTheDev)
  38 {
  39     rOutDev.Push(vcl::PushFlags::FONT | vcl::PushFlags::MAPMODE |
  40                  vcl::PushFlags::LINECOLOR | vcl::PushFlags::FILLCOLOR | vcl::PushFlags::TEXTCOLOR);
  41     if (bUseMap100th_mm  &&  SmMapUnit() != rOutDev.GetMapMode().GetMapUnit())
  42     {
  43         SAL_WARN("starmath", "incorrect MapMode?");
  44         rOutDev.SetMapMode(MapMode(SmMapUnit())); // format for 100% always
  45     }
  46 }
  47
  48
  49 Color SmTmpDevice::GetTextColor(const Color& rTextColor)
  50 {
  51     if (rTextColor == COL_AUTO)
  52     {
  53         auto& config = SmModule::get()->GetColorConfig();
  54         Color aConfigFontColor = config.GetColorValue(svtools::FONTCOLOR).nColor;
  55         Color aConfigDocColor = config.GetColorValue(svtools::DOCCOLOR).nColor;
  56         return rOutDev.GetReadableFontColor(aConfigFontColor, aConfigDocColor);
  57     }
  58
  59     return rTextColor;
  60 }
  61
  62
  63 void SmTmpDevice::SetFont(const vcl::Font &rNewFont)
  64 {
  65     rOutDev.SetFont(rNewFont);
  66     rOutDev.SetTextColor(GetTextColor(rNewFont.GetColor()));
  67 }
  68
  69 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */