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.
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   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 "tmpdevice.hxx"
  22
  23 #include <svtools/colorcfg.hxx>
  24 #include <vcl/window.hxx>
  25 #include <sal/log.hxx>
  26
  27 // SmTmpDevice
  28 // Allows for font and color changes. The original settings will be restored
  29 // in the destructor.
  30 // It's main purpose is to allow for the "const" in the 'OutputDevice'
  31 // argument in the 'Arrange' functions and restore changes made in the 'Draw'
  32 // functions.
  33 // Usually a MapMode of 1/100th mm will be used.
  34
  35 SmTmpDevice::SmTmpDevice(OutputDevice &rTheDev, bool bUseMap100th_mm) :
  36     rOutDev(rTheDev)
  37 {
  38     rOutDev.Push(PushFlags::FONT | PushFlags::MAPMODE |
  39                  PushFlags::LINECOLOR | PushFlags::FILLCOLOR | PushFlags::TEXTCOLOR);
  40     if (bUseMap100th_mm  &&  MapUnit::Map100thMM != rOutDev.GetMapMode().GetMapUnit())
  41     {
  42         SAL_WARN("starmath", "incorrect MapMode?");
  43         rOutDev.SetMapMode(MapMode(MapUnit::Map100thMM)); // format for 100% always
  44     }
  45 }
  46
  47
  48 Color SmTmpDevice::GetTextColor(const Color& rTextColor)
  49 {
  50     if (rTextColor == COL_AUTO)
  51     {
  52         Color aConfigFontColor = SM_MOD()->GetColorConfig().GetColorValue(svtools::FONTCOLOR).nColor;
  53         return rOutDev.GetReadableFontColor(aConfigFontColor, rOutDev.GetBackgroundColor());
  54     }
  55
  56     return rTextColor;
  57 }
  58
  59
  60 void SmTmpDevice::SetFont(const vcl::Font &rNewFont)
  61 {
  62     rOutDev.SetFont(rNewFont);
  63     rOutDev.SetTextColor(GetTextColor(rNewFont.GetColor()));
  64 }
  65
  66 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */