vcl/source/bitmap/BitmapSmoothenFilter.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 <vcl/bitmapex.hxx>
  12 #include <vcl/BitmapGaussianSeparableBlurFilter.hxx>
  13 #include <vcl/BitmapSeparableUnsharpenFilter.hxx>
  14 #include <vcl/BitmapSmoothenFilter.hxx>
  15
  16 BitmapEx BitmapSmoothenFilter::execute(BitmapEx const& rBitmapEx) const
  17 {
  18     BitmapEx aBitmapEx(rBitmapEx);
  19     bool bRet = false;
  20
  21     if (mfRadius > 0.0) // Blur for positive values of mnRadius
  22         bRet = BitmapFilter::Filter(aBitmapEx, BitmapGaussianSeparableBlurFilter(mfRadius));
  23     else if (mfRadius < 0.0) // Unsharpen mask for negative values of mnRadius
  24         bRet = BitmapFilter::Filter(aBitmapEx, BitmapSeparableUnsharpenFilter(mfRadius));
  25
  26     if (bRet)
  27         return aBitmapEx;
  28
  29     return BitmapEx();
  30 }
  31
  32 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */