/* -*- 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>
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& rWallpap
er );
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: */