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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 .
*/
#ifndef INCLUDED_VCL_ALPHA_HXX
#define INCLUDED_VCL_ALPHA_HXX
#include <vcl/dllapi.h>
#include <vcl/bitmap.hxx>
// - AlphaMask -
class ImageList;
class BitmapEx;
class VCL_DLLPUBLIC AlphaMask : private Bitmap
{
private:
friend class BitmapEx;
friend class OutputDevice;
friend bool VCL_DLLPUBLIC ReadDIBBitmapEx(BitmapEx& rTarget, SvStream& rIStm);
SAL_DLLPRIVATE const Bitmap& ImplGetBitmap() const;
SAL_DLLPRIVATE void ImplSetBitmap( const Bitmap& rBitmap );
public:
AlphaMask();
AlphaMask( const Bitmap& rBitmap );
AlphaMask( const AlphaMask& rAlphaMask );
AlphaMask( const Size& rSizePixel, sal_uInt8* pEraseTransparency = NULL );
virtual ~AlphaMask();
AlphaMask& operator=( const Bitmap& rBitmap );
AlphaMask& operator=( const AlphaMask& rAlphaMask )
{
return (AlphaMask&) Bitmap::operator=( rAlphaMask );
}
bool operator!() const
{
return Bitmap::operator!();
}
bool operator==( const AlphaMask& rAlphaMask ) const
{
return Bitmap::operator==( rAlphaMask );
}
bool operator!=( const AlphaMask& rAlphaMask ) const
{
return Bitmap::operator!=( rAlphaMask );
}
const MapMode& GetPrefMapMode() const
{
return Bitmap::GetPrefMapMode();
}
void SetPrefMapMode( const MapMode& rMapMode )
{
Bitmap::SetPrefMapMode( rMapMode );
}
const Size& GetPrefSize() const
{
return Bitmap::GetPrefSize();
}
void SetPrefSize( const Size& rSize )
{
Bitmap::SetPrefSize( rSize );
}
Size GetSizePixel() const
{
return Bitmap::GetSizePixel();
}
sal_uLong GetSizeBytes() const
{
return Bitmap::GetSizeBytes();
}
sal_uLong GetChecksum() const
{
return Bitmap::GetChecksum();
}
Bitmap GetBitmap() const;
bool CopyPixel( const Rectangle& rRectDst, const Rectangle& rRectSrc,
const AlphaMask* pAlphaSrc = NULL);
bool Erase( sal_uInt8 cTransparency );
bool Replace( const Bitmap& rMask, sal_uInt8 rReplaceTransparency );
bool Replace( sal_uInt8 cSearchTransparency, sal_uInt8 cReplaceTransparency,
sal_uLong nTol = 0UL );
BitmapReadAccess* AcquireReadAccess()
{
return Bitmap::AcquireReadAccess();
}
BitmapWriteAccess* AcquireWriteAccess()
{
return Bitmap::AcquireWriteAccess();
}
void ReleaseAccess( BitmapReadAccess* pAccess );
typedef vcl::ScopedBitmapAccess< BitmapReadAccess, AlphaMask, &AlphaMask::AcquireReadAccess >
ScopedReadAccess;
typedef vcl::ScopedBitmapAccess< BitmapWriteAccess, AlphaMask, &AlphaMask::AcquireWriteAccess >
ScopedWriteAccess;
};
#endif // INCLUDED_VCL_ALPHA_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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