vcl/source/gdi/print2.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 <sal/log.hxx>
  21
  22 #include <vcl/metaact.hxx>
  23 #include <vcl/print.hxx>
  24 #include <vcl/printer/Options.hxx>
  25
  26 #include <utility>
  27 #include <vector>
  28
  29 void Printer::DrawGradientEx( OutputDevice* pOut, const tools::Rectangle& rRect, const Gradient& rGradient )
  30 {
  31     const vcl::printer::Options& rPrinterOptions = GetPrinterOptions();
  32
  33     if( rPrinterOptions.IsReduceGradients() )
  34     {
  35         if( vcl::printer::GradientMode::Stripes == rPrinterOptions.GetReducedGradientMode() )
  36         {
  37             if( !rGradient.GetSteps() || ( rGradient.GetSteps() > rPrinterOptions.GetReducedGradientStepCount() ) )
  38             {
  39                 Gradient aNewGradient( rGradient );
  40
  41                 aNewGradient.SetSteps( rPrinterOptions.GetReducedGradientStepCount() );
  42                 pOut->DrawGradient( rRect, aNewGradient );
  43             }
  44             else
  45                 pOut->DrawGradient( rRect, rGradient );
  46         }
  47         else
  48         {
  49             const Color&    rStartColor = rGradient.GetStartColor();
  50             const Color&    rEndColor = rGradient.GetEndColor();
  51             const tools::Long      nR = ( ( static_cast<tools::Long>(rStartColor.GetRed()) * rGradient.GetStartIntensity() ) / 100 +
  52                                    ( static_cast<tools::Long>(rEndColor.GetRed()) * rGradient.GetEndIntensity() ) / 100 ) >> 1;
  53             const tools::Long      nG = ( ( static_cast<tools::Long>(rStartColor.GetGreen()) * rGradient.GetStartIntensity() ) / 100 +
  54                                    ( static_cast<tools::Long>(rEndColor.GetGreen()) * rGradient.GetEndIntensity() ) / 100 ) >> 1;
  55             const tools::Long      nB = ( ( static_cast<tools::Long>(rStartColor.GetBlue()) * rGradient.GetStartIntensity() ) / 100 +
  56                                    ( static_cast<tools::Long>(rEndColor.GetBlue()) * rGradient.GetEndIntensity() ) / 100 ) >> 1;
  57             const Color     aColor( static_cast<sal_uInt8>(nR), static_cast<sal_uInt8>(nG), static_cast<sal_uInt8>(nB) );
  58
  59             pOut->Push( vcl::PushFlags::LINECOLOR | vcl::PushFlags::FILLCOLOR );
  60             pOut->SetLineColor( aColor );
  61             pOut->SetFillColor( aColor );
  62             pOut->DrawRect( rRect );
  63             pOut->Pop();
  64         }
  65     }
  66     else
  67         pOut->DrawGradient( rRect, rGradient );
  68 }
  69
  70 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */