mirror of http://192.168.1.51:8099/lmh188/twain3.0
174 lines
4.6 KiB
C++
174 lines
4.6 KiB
C++
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/*
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The MIT License (MIT)
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Copyright (c) 2015 Martin Richter
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#ifndef TWPP_DETAIL_FILE_JPEGCOMPRESSION_HPP
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#define TWPP_DETAIL_FILE_JPEGCOMPRESSION_HPP
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#include "../twpp.hpp"
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namespace Twpp {
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TWPP_DETAIL_PACK_BEGIN
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/// See manual for more info.
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class JpegCompression {
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public:
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typedef UInt16 UInt16Arr4[4];
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typedef Memory MemoryArr2[2];
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typedef Memory MemoryArr4[4];
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JpegCompression() noexcept :
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m_colorSpace(PixelType::BlackWhite), m_subSampling(0x10001000), m_components(0),
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m_restartFrequency(0), m_quantMap(), m_huffmanMap(){}
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template<
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std::size_t quantTableMapSize,
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std::size_t quantTableSize,
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std::size_t huffmanTableMapSize,
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std::size_t huffmanDcSize,
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std::size_t huffmanAcSize
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>
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JpegCompression(
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PixelType colorSpace,
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UInt32 subSampling,
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UInt16 components,
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UInt16 restartFrequency,
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const UInt16(& quantTableMap)[quantTableMapSize],
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Memory(& quantTable)[quantTableSize],
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const UInt16(& huffmanTableMap)[huffmanTableMapSize],
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Memory(& huffmanDc)[huffmanDcSize],
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Memory(& huffmanAc)[huffmanAcSize]
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) noexcept :
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m_colorSpace(colorSpace),
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m_subSampling(subSampling),
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m_components(components),
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m_restartFrequency(restartFrequency),
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m_quantMap(quantTableMap),
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m_huffmanMap(huffmanTableMap){
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for (std::size_t i = 0; i < quantTableSize; i++){
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m_quantTable[i] = std::move(quantTable[i]);
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}
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for (std::size_t i = 0; i < huffmanDcSize; i++){
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m_huffmanDc[i] = std::move(huffmanDc[i]);
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}
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for (std::size_t i = 0; i < huffmanAcSize; i++){
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m_huffmanAc[i] = std::move(huffmanAc[i]);
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}
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}
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PixelType pixelType() const noexcept{
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return m_colorSpace;
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}
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void setPixelType(PixelType pixelType) noexcept{
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m_colorSpace = pixelType;
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}
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UInt32 subSampling() const noexcept{
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return m_subSampling;
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}
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void setSubSampling(UInt32 subSampling) noexcept{
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m_subSampling = subSampling;
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}
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UInt16 components() const noexcept{
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return m_components;
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}
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void setComponents(UInt16 components) noexcept{
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m_components = components;
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}
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UInt16 restartFrequency() const noexcept{
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return m_restartFrequency;
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}
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void setRestartFrequency(UInt16 restartFrequency) noexcept{
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m_restartFrequency = restartFrequency;
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}
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const UInt16Arr4& quantTableMap() const noexcept{
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return m_quantMap.array();
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}
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UInt16Arr4& quantTableMap() noexcept{
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return m_quantMap.array();
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}
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const MemoryArr4& quantTable() const noexcept{
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return m_quantTable;
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}
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MemoryArr4& quantTable() noexcept{
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return m_quantTable;
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}
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const UInt16Arr4& huffmanTableMap() const noexcept{
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return m_huffmanMap.array();
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}
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UInt16Arr4& huffmanTableMap() noexcept{
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return m_huffmanMap.array();
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}
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const MemoryArr2& huffmanDc() const noexcept{
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return m_huffmanDc;
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}
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MemoryArr2& huffmanDc() noexcept{
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return m_huffmanDc;
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}
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const MemoryArr2& huffmanAc() const noexcept{
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return m_huffmanAc;
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}
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MemoryArr2& huffmanAc() noexcept{
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return m_huffmanAc;
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}
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private:
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PixelType m_colorSpace;
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UInt32 m_subSampling;
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UInt16 m_components;
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UInt16 m_restartFrequency;
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Detail::FixedArray<UInt16, 4> m_quantMap;
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MemoryArr4 m_quantTable;
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Detail::FixedArray<UInt16, 4> m_huffmanMap;
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MemoryArr2 m_huffmanDc;
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MemoryArr2 m_huffmanAc;
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};
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TWPP_DETAIL_PACK_END
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}
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#endif // TWPP_DETAIL_FILE_JPEGCOMPRESSION_HPP
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