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125 lines
2.2 KiB
C++
125 lines
2.2 KiB
C++
/*
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* Copyright 2015 The Etc2Comp Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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namespace Etc
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{
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class Block4x4;
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class SortedBlockList
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{
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public:
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class Link
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{
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public:
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inline void Init(Block4x4 *a_pblock)
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{
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m_pblock = a_pblock;
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m_plinkNext = nullptr;
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}
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inline Block4x4 * GetBlock(void)
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{
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return m_pblock;
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}
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inline void SetNext(Link *a_plinkNext)
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{
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m_plinkNext = a_plinkNext;
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}
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inline Link * GetNext(void)
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{
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return m_plinkNext;
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}
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inline Link * Advance(unsigned int a_uiSteps = 1)
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{
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Link *plink = this;
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for (unsigned int uiStep = 0; uiStep < a_uiSteps; uiStep++)
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{
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if (plink == nullptr)
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{
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break;
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}
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plink = plink->m_plinkNext;
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}
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return plink;
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}
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private:
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Block4x4 *m_pblock;
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Link *m_plinkNext;
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};
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SortedBlockList(unsigned int a_uiImageBlocks, unsigned int a_uiBuckets);
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~SortedBlockList(void);
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void AddBlock(Block4x4 *a_pblock);
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void Sort(void);
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inline Link * GetLinkToFirstBlock(void)
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{
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return m_plinkFirst;
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}
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inline unsigned int GetNumberOfAddedBlocks(void)
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{
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return m_uiAddedBlocks;
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}
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inline unsigned int GetNumberOfSortedBlocks(void)
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{
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return m_uiSortedBlocks;
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}
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void Print(void);
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private:
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void InitBuckets(void);
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class Bucket
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{
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public:
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Link *plinkFirst;
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Link *plinkLast;
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};
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unsigned int m_uiImageBlocks;
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int m_iBuckets;
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unsigned int m_uiAddedBlocks;
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unsigned int m_uiSortedBlocks;
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Link *m_palinkPool;
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Bucket *m_pabucket;
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float m_fMaxError;
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Link *m_plinkFirst;
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Link *m_plinkLast;
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};
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} // namespace Etc
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