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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: alpha.hxx,v $
* $Revision: 1.3 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _SV_ALPHA_HXX
#define _SV_ALPHA_HXX
#include <vcl/dllapi.h>
#include <vcl/bitmap.hxx>
// -------------
// - AlphaMask -
// -------------
class ImageList;
class BitmapEx;
class VCL_DLLPUBLIC AlphaMask : private Bitmap
{
friend class BitmapEx;
friend class OutputDevice;
friend VCL_DLLPUBLIC SvStream& operator<<( SvStream&, const ImageList& );
private:
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, BYTE* pEraseTransparency = NULL );
~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(); }
void SetSizePixel( const Size& rNewSize ) { Bitmap::SetSizePixel( rNewSize ); }
ULONG GetSizeBytes() const { return Bitmap::GetSizeBytes(); }
ULONG GetChecksum() const { return Bitmap::GetChecksum(); }
Bitmap GetBitmap() const;
public:
BOOL Crop( const Rectangle& rRectPixel );
BOOL Expand( ULONG nDX, ULONG nDY, BYTE* pInitTransparency = NULL );
BOOL CopyPixel( const Rectangle& rRectDst, const Rectangle& rRectSrc, const AlphaMask* pAlphaSrc = NULL );
BOOL Erase( BYTE cTransparency );
BOOL Invert();
BOOL Mirror( ULONG nMirrorFlags );
BOOL Scale( const Size& rNewSize, ULONG nScaleFlag = BMP_SCALE_FAST );
BOOL Scale( const double& rScaleX, const double& rScaleY, ULONG nScaleFlag = BMP_SCALE_FAST );
BOOL Rotate( long nAngle10, BYTE cFillTransparency );
BOOL Replace( const Bitmap& rMask, BYTE rReplaceTransparency );
BOOL Replace( BYTE cSearchTransparency, BYTE cReplaceTransparency, ULONG nTol = 0UL );
BOOL Replace( BYTE* pSearchTransparencies, BYTE* pReplaceTransparencies,
ULONG nColorCount, ULONG* pTols = NULL );
public:
BitmapReadAccess* AcquireReadAccess() { return Bitmap::AcquireReadAccess(); }
BitmapWriteAccess* AcquireWriteAccess() { return Bitmap::AcquireWriteAccess(); }
void ReleaseAccess( BitmapReadAccess* pAccess );
public:
BOOL Read( SvStream& rIStm, BOOL bFileHeader = TRUE ) { return Bitmap::Read( rIStm, bFileHeader ); }
BOOL Write( SvStream& rOStm, BOOL bCompressed = TRUE, BOOL bFileHeader = TRUE ) const { return Bitmap::Write( rOStm, bCompressed, bFileHeader ); }
friend VCL_DLLPUBLIC SvStream& operator<<( SvStream& rOStm, const BitmapEx& rBitmapEx );
friend VCL_DLLPUBLIC SvStream& operator>>( SvStream& rIStm, BitmapEx& rBitmapEx );
};
#endif // _SV_ALPHA_HXX
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