office-gobmx/vcl/inc/impoct.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
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* 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.
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************************************************************************/
#ifndef _SV_IMPOCT_HXX
#define _SV_IMPOCT_HXX
#include <vcl/octree.hxx>
// ----------------
// - ImpErrorQuad -
// ----------------
class ImpErrorQuad
{
long nRed;
long nGreen;
long nBlue;
long nReserved;
public:
inline ImpErrorQuad() {}
inline ImpErrorQuad( const BitmapColor& rColor ) :
nRed ( (long) rColor.GetRed() << 5L ),
nGreen ( (long) rColor.GetGreen() << 5L ),
nBlue ( (long) rColor.GetBlue() << 5L ) {}
inline void operator=( const BitmapColor& rColor );
inline ImpErrorQuad& operator-=( const BitmapColor& rColor );
inline void ImplAddColorError1( const ImpErrorQuad& rErrQuad );
inline void ImplAddColorError3( const ImpErrorQuad& rErrQuad );
inline void ImplAddColorError5( const ImpErrorQuad& rErrQuad );
inline void ImplAddColorError7( const ImpErrorQuad& rErrQuad );
inline BitmapColor ImplGetColor();
};
// ------------------------------------------------------------------------
inline void ImpErrorQuad::operator=( const BitmapColor& rColor )
{
nRed = (long) rColor.GetRed() << 5L;
nGreen = (long) rColor.GetGreen() << 5L;
nBlue = (long) rColor.GetBlue() << 5L;
}
// ------------------------------------------------------------------------
inline ImpErrorQuad& ImpErrorQuad::operator-=( const BitmapColor& rColor )
{
nRed -= ( (long) rColor.GetRed() << 5L );
nGreen -= ( (long) rColor.GetGreen() << 5L );
nBlue -= ( (long) rColor.GetBlue() << 5L );
return *this;
}
// ------------------------------------------------------------------------
inline void ImpErrorQuad::ImplAddColorError1( const ImpErrorQuad& rErrQuad )
{
nRed += ( rErrQuad.nRed >> 4L );
nGreen += ( rErrQuad.nGreen >> 4L );
nBlue += ( rErrQuad.nBlue >> 4L );
}
// ------------------------------------------------------------------------
inline void ImpErrorQuad::ImplAddColorError3( const ImpErrorQuad& rErrQuad )
{
nRed += ( rErrQuad.nRed * 3L >> 4L );
nGreen += ( rErrQuad.nGreen * 3L >> 4L );
nBlue += ( rErrQuad.nBlue * 3L >> 4L );
}
// ------------------------------------------------------------------------
inline void ImpErrorQuad::ImplAddColorError5( const ImpErrorQuad& rErrQuad )
{
nRed += ( rErrQuad.nRed * 5L >> 4L );
nGreen += ( rErrQuad.nGreen * 5L >> 4L );
nBlue += ( rErrQuad.nBlue * 5L >> 4L );
}
// ------------------------------------------------------------------------
inline void ImpErrorQuad::ImplAddColorError7( const ImpErrorQuad& rErrQuad )
{
nRed += ( rErrQuad.nRed * 7L >> 4L );
nGreen += ( rErrQuad.nGreen * 7L >> 4L );
nBlue += ( rErrQuad.nBlue *7L >> 4L );
}
// ------------------------------------------------------------------------
inline BitmapColor ImpErrorQuad::ImplGetColor()
{
return BitmapColor( (sal_uInt8) ( ( nRed < 0L ? 0L : nRed > 8160L ? 8160L : nRed ) >> 5L ),
(sal_uInt8) ( ( nGreen < 0L ? 0L : nGreen > 8160L ? 8160L : nGreen ) >> 5L ),
(sal_uInt8) ( ( nBlue < 0L ? 0L : nBlue > 8160L ? 8160L : nBlue ) >> 5L ) );
}
// -------------
// - NodeCache -
// -------------
class ImpNodeCache
{
OctreeNode* pActNode;
sal_uLong nNew;
sal_uLong nDelete;
sal_uLong nGet;
sal_uLong nRelease;
public:
ImpNodeCache( const sal_uLong nInitSize );
~ImpNodeCache();
inline OctreeNode* ImplGetFreeNode();
inline void ImplReleaseNode( OctreeNode* pNode );
};
// ------------------------------------------------------------------------
inline OctreeNode* ImpNodeCache::ImplGetFreeNode()
{
OctreeNode* pNode;
if ( !pActNode )
{
pActNode = new NODE;
pActNode->pNextInCache = NULL;
}
pNode = pActNode;
pActNode = pNode->pNextInCache;
memset( pNode, 0, sizeof( NODE ) );
return pNode;
}
// ------------------------------------------------------------------------
inline void ImpNodeCache::ImplReleaseNode( OctreeNode* pNode )
{
pNode->pNextInCache = pActNode;
pActNode = pNode;
}
#endif // _SV_IMPOCT_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */