drawinglayer/source/processor2d/helperwrongspellrenderer.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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  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 using namespace com::sun::star;
  28
  29
  30 namespace drawinglayer
  31 {
  32     bool renderWrongSpellPrimitive2D(
  33         const primitive2d::WrongSpellPrimitive2D& rWrongSpellCandidate,
  34         OutputDevice& rOutputDevice,
  35         const basegfx::B2DHomMatrix& rObjectToViewTransformation,
  36         const basegfx::BColorModifierStack& rBColorModifierStack)
  37     {
  38         const basegfx::B2DHomMatrix aLocalTransform(rObjectToViewTransformation * rWrongSpellCandidate.getTransformation());
  39         const basegfx::B2DVector aFontVectorPixel(aLocalTransform * basegfx::B2DVector(0.0, 1.0));
  40         const sal_uInt32 nFontPixelHeight(basegfx::fround(aFontVectorPixel.getLength()));
  41
  42         static const sal_uInt32 nMinimumFontHeight(5); // #define WRONG_SHOW_MIN         5
  43
  44         if(nFontPixelHeight > nMinimumFontHeight)
  45         {
  46             const basegfx::B2DPoint aStart(aLocalTransform * basegfx::B2DPoint(rWrongSpellCandidate.getStart(), 0.0));
  47             const basegfx::B2DPoint aStop(aLocalTransform * basegfx::B2DPoint(rWrongSpellCandidate.getStop(), 0.0));
  48             const Point aVclStart(basegfx::fround(aStart.getX()), basegfx::fround(aStart.getY()));
  49             const Point aVclStop(basegfx::fround(aStop.getX()), basegfx::fround(aStop.getY()));
  50
  51             // #i101075# draw it. Do not forget to use the evtl. offsetted origin of the target device,
  52             // e.g. when used with mask/transparence buffer device
  53             const Point aOrigin(rOutputDevice.GetMapMode().GetOrigin());
  54
  55             const basegfx::BColor aProcessedColor(rBColorModifierStack.getModifiedColor(rWrongSpellCandidate.getColor()));
  56             const bool bMapModeEnabledState(rOutputDevice.IsMapModeEnabled());
  57
  58             rOutputDevice.EnableMapMode(false);
  59             rOutputDevice.SetLineColor(Color(aProcessedColor));
  60             rOutputDevice.SetFillColor();
  61             rOutputDevice.DrawWaveLine(aOrigin + aVclStart, aOrigin + aVclStop);
  62             rOutputDevice.EnableMapMode(bMapModeEnabledState);
  63         }
  64
  65         // cannot really go wrong
  66         return true;
  67     }
  68 } // end of namespace drawinglayer
  69
  70 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */