drawinglayer/source/processor2d/helperwrongspellrenderer.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   9  * This file incorporates work covered by the following license notice:
  10  *
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  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 <helperwrongspellrenderer.hxx>
  21 #include <drawinglayer/primitive2d/wrongspellprimitive2d.hxx>
  22 #include <tools/gen.hxx>
  23 #include <vcl/outdev.hxx>
  24 #include <basegfx/color/bcolormodifier.hxx>
  25
  26 //////////////////////////////////////////////////////////////////////////////
  27
  28 using namespace com::sun::star;
  29
  30 //////////////////////////////////////////////////////////////////////////////
  31
  32 namespace drawinglayer
  33 {
  34     bool renderWrongSpellPrimitive2D(
  35         const primitive2d::WrongSpellPrimitive2D& rWrongSpellCandidate,
  36         OutputDevice& rOutputDevice,
  37         const basegfx::B2DHomMatrix& rObjectToViewTransformation,
  38         const basegfx::BColorModifierStack& rBColorModifierStack)
  39     {
  40         const basegfx::B2DHomMatrix aLocalTransform(rObjectToViewTransformation * rWrongSpellCandidate.getTransformation());
  41         const basegfx::B2DVector aFontVectorPixel(aLocalTransform * basegfx::B2DVector(0.0, 1.0));
  42         const sal_uInt32 nFontPixelHeight(basegfx::fround(aFontVectorPixel.getLength()));
  43
  44         static const sal_uInt32 nMinimumFontHeight(5); // #define WRONG_SHOW_MIN         5
  45         static const sal_uInt32 nSmallFontHeight(11);  // #define WRONG_SHOW_SMALL      11
  46         static const sal_uInt32 nMediumFontHeight(15); // #define WRONG_SHOW_MEDIUM     15
  47
  48         if(nFontPixelHeight > nMinimumFontHeight)
  49         {
  50             const basegfx::B2DPoint aStart(aLocalTransform * basegfx::B2DPoint(rWrongSpellCandidate.getStart(), 0.0));
  51             const basegfx::B2DPoint aStop(aLocalTransform * basegfx::B2DPoint(rWrongSpellCandidate.getStop(), 0.0));
  52             const Point aVclStart(basegfx::fround(aStart.getX()), basegfx::fround(aStart.getY()));
  53             const Point aVclStop(basegfx::fround(aStop.getX()), basegfx::fround(aStop.getY()));
  54             sal_uInt16 nWaveStyle(WAVE_FLAT);
  55
  56             if(nFontPixelHeight > nMediumFontHeight)
  57             {
  58                 nWaveStyle = WAVE_NORMAL;
  59             }
  60             else if(nFontPixelHeight > nSmallFontHeight)
  61             {
  62                 nWaveStyle = WAVE_SMALL;
  63             }
  64
  65             // #i101075# draw it. Do not forget to use the evtl. offsetted origin of the target device,
  66             // e.g. when used with mask/transparence buffer device
  67             const Point aOrigin(rOutputDevice.GetMapMode().GetOrigin());
  68
  69             const basegfx::BColor aProcessedColor(rBColorModifierStack.getModifiedColor(rWrongSpellCandidate.getColor()));
  70             const bool bMapModeEnabledState(rOutputDevice.IsMapModeEnabled());
  71
  72             rOutputDevice.EnableMapMode(false);
  73             rOutputDevice.SetLineColor(Color(aProcessedColor));
  74             rOutputDevice.SetFillColor();
  75             rOutputDevice.DrawWaveLine(aOrigin + aVclStart, aOrigin + aVclStop, nWaveStyle);
  76             rOutputDevice.EnableMapMode(bMapModeEnabledState);
  77         }
  78
  79         // cannot really go wrong
  80         return true;
  81     }
  82 } // end of namespace drawinglayer
  83
  84 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */