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Diffstat (limited to 'vcl/inc/impoct.hxx')
| -rw-r--r-- | vcl/inc/impoct.hxx | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/vcl/inc/impoct.hxx b/vcl/inc/impoct.hxx new file mode 100644 index 000000000000..543ab19d6a57 --- /dev/null +++ b/vcl/inc/impoct.hxx @@ -0,0 +1,176 @@ +/************************************************************************* + * + * 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. + * + * 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_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( (BYTE) ( ( nRed < 0L ? 0L : nRed > 8160L ? 8160L : nRed ) >> 5L ), + (BYTE) ( ( nGreen < 0L ? 0L : nGreen > 8160L ? 8160L : nGreen ) >> 5L ), + (BYTE) ( ( nBlue < 0L ? 0L : nBlue > 8160L ? 8160L : nBlue ) >> 5L ) ); +} + +// ------------- +// - NodeCache - +// ------------- + +class ImpNodeCache +{ + OctreeNode* pActNode; + ULONG nNew; + ULONG nDelete; + ULONG nGet; + ULONG nRelease; + +public: + + ImpNodeCache( const 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 |