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| -rw-r--r-- | include/vcl/wall.hxx | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/include/vcl/wall.hxx b/include/vcl/wall.hxx new file mode 100644 index 000000000..474d2afe5 --- /dev/null +++ b/include/vcl/wall.hxx @@ -0,0 +1,117 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * 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 . + */ + +#ifndef INCLUDED_VCL_WALL_HXX +#define INCLUDED_VCL_WALL_HXX + +#include <tools/color.hxx> +#include <tools/gen.hxx> +#include <vcl/bitmapex.hxx> +#include <vcl/gradient.hxx> +#include <vcl/dllapi.h> +#include <optional> + +class Gradient; +class BitmapEx; +class ImplWallpaper; + +enum class WallpaperStyle +{ + NONE, + Tile, + Center, + Scale, + TopLeft, + Top, + TopRight, + Left, + Right, + BottomLeft, + Bottom, + BottomRight, + ApplicationGradient // defines a gradient that internally covers the whole application + // and uses a color derived from the face color +}; + +class VCL_DLLPUBLIC Wallpaper +{ +public: + SAL_DLLPRIVATE void ImplSetCachedBitmap( const BitmapEx& rBmp ) const; + SAL_DLLPRIVATE const BitmapEx* ImplGetCachedBitmap() const; + SAL_DLLPRIVATE void ImplReleaseCachedBitmap() const; + +private: + SAL_DLLPRIVATE static Gradient ImplGetApplicationGradient(); + +public: + Wallpaper(); + Wallpaper( const Wallpaper& rWallpaper ); + Wallpaper( Wallpaper&& rWallpaper ); + Wallpaper( const Color& rColor ); + explicit Wallpaper( const BitmapEx& rBmpEx ); + ~Wallpaper(); + + void SetColor( const Color& rColor ); + const Color& GetColor() const { return maColor; } + + void SetStyle( WallpaperStyle eStyle ); + WallpaperStyle GetStyle() const { return meStyle; } + + void SetBitmap( const BitmapEx& rBitmap ); + const BitmapEx & GetBitmap() const; + bool IsBitmap() const; + + void SetGradient( const Gradient& rGradient ); + Gradient GetGradient() const; + bool IsGradient() const; + + void SetRect( const tools::Rectangle& rRect ) { maRect = rRect; } + const tools::Rectangle & GetRect() const { return maRect; } + bool IsRect() const; + + bool IsFixed() const; + bool IsScrollable() const; + + Wallpaper& operator=( const Wallpaper& rWallpaper ); + Wallpaper& operator=( Wallpaper&& rWallpaper ); + + bool operator==( const Wallpaper& rWallpaper ) const; + bool operator!=( const Wallpaper& rWallpaper ) const + { return !(Wallpaper::operator==( rWallpaper )); } + + bool IsEmpty() const + { + return GetStyle() == WallpaperStyle::NONE && GetColor() == COL_TRANSPARENT && + !IsBitmap() && !IsGradient() && !IsRect(); + } + + friend SvStream& ReadWallpaper( SvStream& rIStm, Wallpaper& rWallpaper ); + friend SvStream& WriteWallpaper( SvStream& rOStm, const Wallpaper& rWallpaper ); +private: + tools::Rectangle maRect; + BitmapEx maBitmap; + mutable BitmapEx maCache; + std::optional<Gradient> mpGradient; + Color maColor; + WallpaperStyle meStyle; +}; + +#endif // INCLUDED_VCL_WALL_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |