136 lines
3.8 KiB
C++
136 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_VCL_ALPHA_HXX
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#define INCLUDED_VCL_ALPHA_HXX
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#include <vcl/dllapi.h>
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#include <vcl/bitmap.hxx>
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// -------------
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// - AlphaMask -
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// -------------
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class ImageList;
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class BitmapEx;
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class VCL_DLLPUBLIC AlphaMask : private Bitmap
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{
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private:
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friend class BitmapEx;
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friend class OutputDevice;
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friend bool VCL_DLLPUBLIC ReadDIBBitmapEx(BitmapEx& rTarget, SvStream& rIStm);
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SAL_DLLPRIVATE const Bitmap& ImplGetBitmap() const;
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SAL_DLLPRIVATE void ImplSetBitmap( const Bitmap& rBitmap );
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public:
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AlphaMask();
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AlphaMask( const Bitmap& rBitmap );
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AlphaMask( const AlphaMask& rAlphaMask );
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AlphaMask( const Size& rSizePixel, sal_uInt8* pEraseTransparency = NULL );
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virtual ~AlphaMask();
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AlphaMask& operator=( const Bitmap& rBitmap );
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AlphaMask& operator=( const AlphaMask& rAlphaMask )
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{
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return (AlphaMask&) Bitmap::operator=( rAlphaMask );
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}
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sal_Bool operator!() const
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{
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return Bitmap::operator!();
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}
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sal_Bool operator==( const AlphaMask& rAlphaMask ) const
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{
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return Bitmap::operator==( rAlphaMask );
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}
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sal_Bool operator!=( const AlphaMask& rAlphaMask ) const
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{
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return Bitmap::operator!=( rAlphaMask );
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}
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const MapMode& GetPrefMapMode() const
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{
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return Bitmap::GetPrefMapMode();
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}
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void SetPrefMapMode( const MapMode& rMapMode )
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{
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Bitmap::SetPrefMapMode( rMapMode );
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}
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const Size& GetPrefSize() const
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{
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return Bitmap::GetPrefSize();
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}
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void SetPrefSize( const Size& rSize )
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{
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Bitmap::SetPrefSize( rSize );
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}
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Size GetSizePixel() const
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{
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return Bitmap::GetSizePixel();
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}
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sal_uLong GetSizeBytes() const
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{
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return Bitmap::GetSizeBytes();
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}
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sal_uLong GetChecksum() const
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{
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return Bitmap::GetChecksum();
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}
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Bitmap GetBitmap() const;
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sal_Bool CopyPixel( const Rectangle& rRectDst, const Rectangle& rRectSrc,
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const AlphaMask* pAlphaSrc = NULL);
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sal_Bool Erase( sal_uInt8 cTransparency );
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sal_Bool Replace( const Bitmap& rMask, sal_uInt8 rReplaceTransparency );
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sal_Bool Replace( sal_uInt8 cSearchTransparency, sal_uInt8 cReplaceTransparency,
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sal_uLong nTol = 0UL );
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BitmapReadAccess* AcquireReadAccess()
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{
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return Bitmap::AcquireReadAccess();
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}
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BitmapWriteAccess* AcquireWriteAccess()
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{
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return Bitmap::AcquireWriteAccess();
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}
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void ReleaseAccess( BitmapReadAccess* pAccess );
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typedef vcl::ScopedBitmapAccess< BitmapReadAccess, AlphaMask, &AlphaMask::AcquireReadAccess >
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ScopedReadAccess;
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typedef vcl::ScopedBitmapAccess< BitmapWriteAccess, AlphaMask, &AlphaMask::AcquireWriteAccess >
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ScopedWriteAccess;
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};
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#endif // INCLUDED_VCL_ALPHA_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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