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Add TIM structs example

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ABelliqueux 2021-07-24 19:24:08 +02:00
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TIM/README.md
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@ -110,6 +110,73 @@ TIM/TIM16.tim \
TIM/TIM8.tim \
TIM/TIM4.tim \
```
## Using the TIM file in code
TODO : Make this presentable
```c
// Some structures to handle TIM files
// Access Pixels STP, R, G, B
typedef struct RGB_PIX {
u_int STP:1, B:5, G:5, R:5;
} RGB_PIX;
typedef struct PIXEL {
u_long bnum;
u_short DX, DY;
u_short W, H;
RGB_PIX data[];
} PIXEL;
typedef struct CLUT {
u_long bnum;
u_short DX, DY;
u_short W, H;
u_short clut[];
} CLUT;
typedef struct TIM_FILE_CLUT{
u_long ID;
u_long flag;
u_long clut;
PIXEL pixel[];
} TIM_FILE_CLUT;
typedef struct TIM_FILE{
u_long ID;
u_long flag;
PIXEL pixel[];
} TIM_FILE;
// If we were using C++, we could use templates
//~ struct EmbeddedClut { u_long clut; };
//~ struct NoEmbeddedClut { };
//~ template<has_clut>
//~ struct TIM_FILE {
//~ u_long ID;
//~ u_long flag;
//~ std::conditional<has_clut, EmbeddedClut, NoEmbeddedClut> clut;
//~ PIXEL pixel[];
//~ };
// 16bpp TIM
// STP set on black pixels ( STP, B, R, G == 1, 0, 0 ,0)
extern TIM_FILE _binary_TIM_transBlack_tim_start;
// STP set on image's alpha ( STP, B, R, G == 1, n, n ,n)
extern TIM_FILE _binary_TIM_transAlpha_tim_start;
// STP set on image's alpha ( STP, B, R, G == 1, n, n ,n) with threshold (img2tim -alpt option)
extern TIM_FILE _binary_TIM_transAlphaS_tim_start;
// STP set on 8bpp TIM's CLUT index
extern TIM_FILE _binary_TIM_trans8bpp_tim_start;
// Store in an array so we can iterate over it
TIM_FILE * timFiles[4];
TIM_IMAGE timImages[4];
FntPrint("RGB: %d\n", _binary_TIM_transBlack_tim_start.pixel->data[0].R );
FntPrint("RGB: %d %d %d %d", timFiles[0]->pixel->data[8192].STP, timFiles[0]->pixel->data[8192].R, timFiles[0]->pixel->data[8192].G, timFiles[0]->pixel->data[8192].B );
```
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