51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
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#pragma once
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#include "ehs/EHS.h"
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#include "ehs/Serializer.h"
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#include "PNG_Chunk.h"
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#include "Img.h"
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namespace ehs
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{
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class PNG
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{
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private:
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Str_8 id;
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UInt_64 hashId;
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Array<PNG_Chunk> chunks;
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public:
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PNG();
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PNG(const Str_8& filePath);
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PNG(const Str_8& id, Serializer<UInt_64>& data);
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PNG(const PNG& png);
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PNG& operator=(const PNG& png);
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bool HasChunk(const UInt_64 hashId) const;
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bool HasChunk(const Str_8& id) const;
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PNG_Chunk* GetChunk(const UInt_64 hashId);
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PNG_Chunk* GetChunk(const Str_8& id);
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static bool IsPNG(Serializer<UInt_32>& data);
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static void FilterNone(const Byte* const in, Byte* const out, const UInt_8 bitDepth, const UInt_8 channels, const UInt_32 scanline);
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static void FilterSub(const Byte* const in, Byte* const out, const UInt_8 bitDepth, const UInt_8 channels, const UInt_32 scanline);
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static void FilterUp(const Byte* const in, Byte* const out, const UInt_8 bitDepth, const UInt_8 channels, const UInt_32 scanline);
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static void FilterAverage(const Byte* const in, Byte* const out, const UInt_8 bitDepth, const UInt_8 channels, const UInt_32 scanline);
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static void FilterPaeth(const Byte* const in, Byte* const out, const UInt_8 bitDepth, const UInt_8 channels, const UInt_32 scanline);
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private:
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static Byte PaethPredictor(const Byte a, const Byte b, const Byte c);
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};
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}
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