/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #include Color OutputDevice::GetBackgroundColor() const { return GetBackground().GetColor(); } void OutputDevice::SetBackground() { maBackground = Wallpaper(); mbBackground = false; if( mpAlphaVDev ) mpAlphaVDev->SetBackground(); } void OutputDevice::SetBackground( const Wallpaper& rBackground ) { maBackground = rBackground; if( rBackground.GetStyle() == WallpaperStyle::NONE ) mbBackground = false; else mbBackground = true; if( !mpAlphaVDev ) return; // Some of these are probably wrong (e.g. if the gradient has transparency), // but hopefully nobody uses that. If you do, feel free to implement it properly. if( rBackground.GetStyle() == WallpaperStyle::NONE ) { mpAlphaVDev->SetBackground( rBackground ); } else if( rBackground.IsBitmap()) { BitmapEx bitmap = rBackground.GetBitmap(); if( bitmap.IsAlpha()) mpAlphaVDev->SetBackground( Wallpaper( BitmapEx( Bitmap( bitmap.GetAlphaMask())))); else mpAlphaVDev->SetBackground( Wallpaper( COL_BLACK )); } else if( rBackground.IsGradient()) { mpAlphaVDev->SetBackground( Wallpaper( COL_BLACK )); } else { // Color background. int transparency = 255 - rBackground.GetColor().GetAlpha(); mpAlphaVDev->SetBackground( Wallpaper( Color( transparency, transparency, transparency ))); } } /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */ o/collabora/co-22.05'>distro/collabora/co-22.05 LibreOffice 核心代码仓库文档基金会

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