/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project .
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License , v . 2 . 0 . If a copy of the MPL was not distributed with this
* file , You can obtain one at http : //mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice :
*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership . The ASF licenses this file to you under the Apache
* License , Version 2 . 0 ( the " License " ) ; you may not use this file
* except in compliance with the License . You may obtain a copy of
* the License at http : //www.apache.org/licenses/LICENSE-2.0 .
*/
#pragma once
#include <vcl/dllapi.h>
#include <vcl/BitmapColor.hxx>
#include <vcl/BitmapPalette.hxx>
#include <tools/solar.h>
struct OctreeNode
{
sal_uLong nCount = 0 ;
sal_uLong nRed = 0 ;
sal_uLong nGreen = 0 ;
sal_uLong nBlue = 0 ;
std::unique_ptr<OctreeNode> pChild[8 ];
OctreeNode* pNext = nullptr;
sal_uInt16 nPalIndex = 0 ;
bool bLeaf = false ;
};
class BitmapReadAccess;
class VCL_PLUGIN_PUBLIC Octree
{
private :
SAL_DLLPRIVATE void CreatePalette(OctreeNode* pNode);
SAL_DLLPRIVATE void GetPalIndex(const OctreeNode* pNode, BitmapColor const & color);
SAL_DLLPRIVATE void add(std::unique_ptr<OctreeNode>& rpNode, BitmapColor const & color);
SAL_DLLPRIVATE void reduce();
BitmapPalette maPalette;
sal_uLong mnLeafCount;
sal_uLong mnLevel;
std::unique_ptr<OctreeNode> pTree;
std::vector<OctreeNode*> mpReduce;
sal_uInt16 mnPalIndex;
public :
Octree(const BitmapReadAccess& rReadAcc, sal_uLong nColors);
~Octree();
const BitmapPalette& GetPalette();
SAL_DLLPRIVATE sal_uInt16 GetBestPaletteIndex(const BitmapColor& rColor);
};
class InverseColorMap
{
private :
std::vector<sal_uInt8> mpBuffer;
std::vector<sal_uInt8> mpMap;
void ImplCreateBuffers();
public :
explicit InverseColorMap(const BitmapPalette& rPal);
~InverseColorMap();
sal_uInt8 GetBestPaletteIndex(const BitmapColor& rColor);
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Messung V0.5 in Prozent C=82 H=99 G=90
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(vorverarbeitet am 2026-06-10)
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