77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <vcl/virdev.hxx>
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Color OutputDevice::GetBackgroundColor() const
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{
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return GetBackground().GetColor();
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}
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void OutputDevice::SetBackground()
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{
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maBackground = Wallpaper();
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mbBackground = false;
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if( mpAlphaVDev )
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mpAlphaVDev->SetBackground();
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}
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void OutputDevice::SetBackground( const Wallpaper& rBackground )
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{
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maBackground = rBackground;
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if( rBackground.GetStyle() == WallpaperStyle::NONE )
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mbBackground = false;
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else
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mbBackground = true;
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if( !mpAlphaVDev )
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return;
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// Some of these are probably wrong (e.g. if the gradient has transparency),
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// but hopefully nobody uses that. If you do, feel free to implement it properly.
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if( rBackground.GetStyle() == WallpaperStyle::NONE )
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{
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mpAlphaVDev->SetBackground( rBackground );
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}
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else if( rBackground.IsBitmap())
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{
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const BitmapEx& bitmap = rBackground.GetBitmap();
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if( bitmap.IsAlpha())
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mpAlphaVDev->SetBackground( Wallpaper( BitmapEx( bitmap.GetAlphaMask().GetBitmap() ) ) );
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else
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mpAlphaVDev->SetBackground( Wallpaper( COL_ALPHA_OPAQUE ));
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}
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else if( rBackground.IsGradient())
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{
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mpAlphaVDev->SetBackground( Wallpaper( COL_ALPHA_OPAQUE ));
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}
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else
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{
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// Color background.
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int alpha = rBackground.GetColor().GetAlpha();
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mpAlphaVDev->SetBackground( Wallpaper( Color( alpha, alpha, alpha )));
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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