165 lines
5.1 KiB
C++
165 lines
5.1 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 _SV_IMPOCT_HXX
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#define _SV_IMPOCT_HXX
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#include <vcl/octree.hxx>
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// ----------------
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// - ImpErrorQuad -
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// ----------------
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class ImpErrorQuad
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{
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long nRed;
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long nGreen;
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long nBlue;
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public:
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inline ImpErrorQuad() {}
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inline ImpErrorQuad( const BitmapColor& rColor ) :
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nRed ( (long) rColor.GetRed() << 5L ),
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nGreen ( (long) rColor.GetGreen() << 5L ),
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nBlue ( (long) rColor.GetBlue() << 5L ) {}
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inline void operator=( const BitmapColor& rColor );
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inline ImpErrorQuad& operator-=( const BitmapColor& rColor );
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inline void ImplAddColorError1( const ImpErrorQuad& rErrQuad );
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inline void ImplAddColorError3( const ImpErrorQuad& rErrQuad );
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inline void ImplAddColorError5( const ImpErrorQuad& rErrQuad );
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inline void ImplAddColorError7( const ImpErrorQuad& rErrQuad );
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inline BitmapColor ImplGetColor();
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};
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// ------------------------------------------------------------------------
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inline void ImpErrorQuad::operator=( const BitmapColor& rColor )
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{
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nRed = (long) rColor.GetRed() << 5L;
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nGreen = (long) rColor.GetGreen() << 5L;
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nBlue = (long) rColor.GetBlue() << 5L;
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}
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// ------------------------------------------------------------------------
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inline ImpErrorQuad& ImpErrorQuad::operator-=( const BitmapColor& rColor )
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{
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nRed -= ( (long) rColor.GetRed() << 5L );
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nGreen -= ( (long) rColor.GetGreen() << 5L );
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nBlue -= ( (long) rColor.GetBlue() << 5L );
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return *this;
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}
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// ------------------------------------------------------------------------
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inline void ImpErrorQuad::ImplAddColorError1( const ImpErrorQuad& rErrQuad )
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{
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nRed += ( rErrQuad.nRed >> 4L );
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nGreen += ( rErrQuad.nGreen >> 4L );
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nBlue += ( rErrQuad.nBlue >> 4L );
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}
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// ------------------------------------------------------------------------
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inline void ImpErrorQuad::ImplAddColorError3( const ImpErrorQuad& rErrQuad )
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{
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nRed += ( rErrQuad.nRed * 3L >> 4L );
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nGreen += ( rErrQuad.nGreen * 3L >> 4L );
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nBlue += ( rErrQuad.nBlue * 3L >> 4L );
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}
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// ------------------------------------------------------------------------
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inline void ImpErrorQuad::ImplAddColorError5( const ImpErrorQuad& rErrQuad )
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{
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nRed += ( rErrQuad.nRed * 5L >> 4L );
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nGreen += ( rErrQuad.nGreen * 5L >> 4L );
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nBlue += ( rErrQuad.nBlue * 5L >> 4L );
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}
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// ------------------------------------------------------------------------
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inline void ImpErrorQuad::ImplAddColorError7( const ImpErrorQuad& rErrQuad )
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{
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nRed += ( rErrQuad.nRed * 7L >> 4L );
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nGreen += ( rErrQuad.nGreen * 7L >> 4L );
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nBlue += ( rErrQuad.nBlue *7L >> 4L );
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}
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// ------------------------------------------------------------------------
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inline BitmapColor ImpErrorQuad::ImplGetColor()
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{
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return BitmapColor( (sal_uInt8) ( ( nRed < 0L ? 0L : nRed > 8160L ? 8160L : nRed ) >> 5L ),
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(sal_uInt8) ( ( nGreen < 0L ? 0L : nGreen > 8160L ? 8160L : nGreen ) >> 5L ),
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(sal_uInt8) ( ( nBlue < 0L ? 0L : nBlue > 8160L ? 8160L : nBlue ) >> 5L ) );
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}
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// -------------
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// - NodeCache -
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// -------------
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class ImpNodeCache
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{
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OctreeNode* pActNode;
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public:
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ImpNodeCache( const sal_uLong nInitSize );
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~ImpNodeCache();
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inline OctreeNode* ImplGetFreeNode();
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inline void ImplReleaseNode( OctreeNode* pNode );
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};
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// ------------------------------------------------------------------------
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inline OctreeNode* ImpNodeCache::ImplGetFreeNode()
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{
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OctreeNode* pNode;
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if ( !pActNode )
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{
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pActNode = new NODE;
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pActNode->pNextInCache = NULL;
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}
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pNode = pActNode;
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pActNode = pNode->pNextInCache;
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memset( pNode, 0, sizeof( NODE ) );
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return pNode;
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}
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// ------------------------------------------------------------------------
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inline void ImpNodeCache::ImplReleaseNode( OctreeNode* pNode )
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{
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pNode->pNextInCache = pActNode;
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pActNode = pNode;
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}
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#endif // _SV_IMPOCT_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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