/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project .
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* 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>
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 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
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