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https://github.com/thunderbrewhq/binana.git
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67 lines
1.1 KiB
C
67 lines
1.1 KiB
C
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#ifndef TEXTURE_TGA_H
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#define TEXTURE_TGA_H
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#include "system/types.h"
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#include "storm/file.h"
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DECLARE_STRUCT(TGAFooter);
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DECLARE_STRUCT(TGAHeader);
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DECLARE_STRUCT(TGA32Pixel);
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DECLARE_STRUCT(TGAImageDesc);
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DECLARE_STRUCT(CTgaFile);
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struct TGAFooter {
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uint32_t dwExtensionOffset;
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uint32_t dwDeveloperOffset;
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uint8_t szSigniture[18];
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};
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#pragma pack(push, 1)
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struct TGAImageDesc {
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uint8_t bAlphaChannelBits : 4;
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uint8_t bLeftRightOrder : 1;
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uint8_t bTopBottomOrder : 1;
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uint8_t bReserved : 2;
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};
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struct TGAHeader {
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uint8_t bIDLength;
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uint8_t bColorMapType;
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uint8_t bImageType;
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// byte packed
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uint16_t wColorMapStartIndex;
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uint16_t wColorMapEntries;
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uint8_t bColorMapEntrySize;
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uint16_t wXOrigin;
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uint16_t wYOrigin;
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uint16_t wWidth;
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uint16_t wHeight;
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uint8_t bPixelDepth;
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union {
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uint8_t bImageDescriptor;
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TGAImageDesc desc;
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};
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};
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#pragma pack(pop)
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struct TGA32Pixel {
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uint8_t b;
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uint8_t g;
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uint8_t r;
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uint8_t a;
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};
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struct CTgaFile {
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SFile* m_file;
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uint8_t* m_image;
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TGAHeader m_header;
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uint8_t* m_addlHeaderData;
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TGAFooter m_footer;
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uint32_t m_imageBytes;
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uint8_t* m_colorMap;
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};
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#endif
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