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Implement GIF conversion

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Atdunbg
2025-09-27 14:06:57 +08:00
parent fcb7c6be8d
commit ccc98bdf62
14 changed files with 1519 additions and 118 deletions
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38
expkg/src/DXT/DXT.h Normal file
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//
// Created by sfd on 25-9-21.
//
#ifndef DXT_H
#define DXT_H
#include <cstdint>
#include <vector>
namespace PKG
{
enum class DXTFlags
{
DXT1 = 1,
DXT3 = 1 << 1,
DXT5 = 1 << 2,
};
class DXT
{
public:
// public static byte[] DecompressImage(int width, int height, byte[] data, DXTFlags flags)
static void DecompressImage(int width, int height, std::vector<uint8_t>& data, DXTFlags flags);
private:
static void Decompress(std::vector<uint8_t>& rgba, std::vector<uint8_t>& block, int blockIndex, DXTFlags flags);
static int UnPack565(std::vector<uint8_t>& block, int blockIndex, int packedOffset, std::vector<uint8_t>& color, int colorOffset);
static void DecompressColor(std::vector<uint8_t>& rgba, std::vector<uint8_t>& block, int blockIndex, bool isDxt1);
static void DecompressAlphaDxt3(std::vector<uint8_t>& rgba, std::vector<uint8_t>& block, int blockIndex);
static void DecompressAlphaDxt5(std::vector<uint8_t>& rgba, std::vector<uint8_t>& block, int blockIndex);
};
}
#endif //DXT_H