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/* -*- 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 .
*/
#pragma once
#include <vcl/dllapi.h>
#include <vcl/BitmapColor.hxx>
#include <vcl/checksum.hxx>
#include <o3tl/cow_wrapper.hxx>
class ImplBitmapPalette;
class VCL_DLLPUBLIC BitmapPalette
{
friend class SalBitmap;
friend class BitmapAccess;
public:
SAL_DLLPRIVATE const BitmapColor* ImplGetColorBuffer() const;
SAL_DLLPRIVATE BitmapColor* ImplGetColorBuffer();
BitmapChecksum GetChecksum() const;
BitmapPalette();
BitmapPalette( const BitmapPalette& );
BitmapPalette( BitmapPalette&& ) noexcept;
BitmapPalette(std::initializer_list<BitmapColor> aBitmapColor);
explicit BitmapPalette(sal_uInt16 nCount);
~BitmapPalette();
BitmapPalette& operator=( const BitmapPalette& );
BitmapPalette& operator=( BitmapPalette&& ) noexcept;
bool operator==( const BitmapPalette& rBitmapPalette ) const;
bool operator!=(const BitmapPalette& rBitmapPalette) const
{
return !( *this == rBitmapPalette );
}
bool operator!() const;
sal_uInt16 GetEntryCount() const;
void SetEntryCount(sal_uInt16 nCount);
const BitmapColor& operator[](sal_uInt16 nIndex) const;
BitmapColor& operator[](sal_uInt16 nIndex);
sal_uInt16 GetBestIndex(const BitmapColor& rCol) const;
/// Returns true if the palette is 8-bit grey palette.
bool IsGreyPalette8Bit() const;
/// Returns true if the palette is a grey palette (may not be 8-bit).
bool IsGreyPaletteAny() const;
typedef o3tl::cow_wrapper< ImplBitmapPalette > ImplType;
private:
ImplType mpImpl;
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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