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| Rev 7004 | Rev 7031 | ||
|---|---|---|---|
| 1 | #ifndef INCLUDE_RGB_H |
1 | #ifndef INCLUDE_RGB_H |
| 2 | #define INCLUDE_RGB_H |
2 | #define INCLUDE_RGB_H |
| 3 | 3 | ||
| 4 | :struct _rgb |
4 | :struct _rgb |
| 5 | { |
5 | { |
| 6 | byte b,g,r; |
6 | byte b,g,r; |
| 7 | void DwordToRgb(); |
7 | void DwordToRgb(); |
| - | 8 | void SetRgb(); |
|
| 8 | dword RgbToDword(); |
9 | dword RgbToDword(); |
| 9 | } rgb; |
10 | } rgb; |
| 10 | 11 | ||
| 11 | :void _rgb::DwordToRgb(dword _dword) |
12 | :void _rgb::DwordToRgb(dword _dword) |
| 12 | { |
13 | { |
| 13 | b = _dword & 0xFF; _dword >>= 8; |
14 | b = _dword & 0xFF; _dword >>= 8; |
| 14 | g = _dword & 0xFF; _dword >>= 8; |
15 | g = _dword & 0xFF; _dword >>= 8; |
| 15 | r = _dword & 0xFF; _dword >>= 8; |
16 | r = _dword & 0xFF; _dword >>= 8; |
| 16 | } |
17 | } |
| - | 18 | ||
| - | 19 | :void _rgb::SetRgb(dword _r, _g, _b) |
|
| - | 20 | { |
|
| - | 21 | r = _r; |
|
| - | 22 | g = _g; |
|
| - | 23 | b = _b; |
|
| - | 24 | } |
|
| 17 | 25 | ||
| 18 | :dword _rgb::RgbToDword() |
26 | :dword _rgb::RgbToDword() |
| 19 | { |
27 | { |
| 20 | dword _r, _g, _b; |
28 | dword _r, _g, _b; |
| 21 | _r = r << 16; |
29 | _r = r << 16; |
| 22 | _g = g << 8; |
30 | _g = g << 8; |
| 23 | _b = b; |
31 | _b = b; |
| 24 | return _r + _g + _b; |
32 | return _r + _g + _b; |
| 25 | } |
33 | } |
| 26 | 34 | ||
| 27 | :dword MixColors(dword _base, _overlying, byte a) |
35 | :dword MixColors(dword _base, _overlying, byte a) |
| 28 | { |
36 | { |
| 29 | _rgb rgb1, rgb2, rgb_final; |
37 | _rgb rgb1, rgb2, rgb_final; |
| 30 | byte n_a; |
38 | byte n_a; |
| 31 | 39 | ||
| 32 | rgb1.DwordToRgb(_base); |
40 | rgb1.DwordToRgb(_base); |
| 33 | rgb2.DwordToRgb(_overlying); |
41 | rgb2.DwordToRgb(_overlying); |
| 34 | 42 | ||
| 35 | n_a = 255 - a; |
43 | n_a = 255 - a; |
| 36 | 44 | ||
| 37 | rgb_final.b = calc(rgb1.b*a/255) + calc(rgb2.b*n_a/255); |
45 | rgb_final.b = calc(rgb1.b*a/255) + calc(rgb2.b*n_a/255); |
| 38 | rgb_final.g = calc(rgb1.g*a/255) + calc(rgb2.g*n_a/255); |
46 | rgb_final.g = calc(rgb1.g*a/255) + calc(rgb2.g*n_a/255); |
| 39 | rgb_final.r = calc(rgb1.r*a/255) + calc(rgb2.r*n_a/255); |
47 | rgb_final.r = calc(rgb1.r*a/255) + calc(rgb2.r*n_a/255); |
| 40 | 48 | ||
| 41 | return rgb_final.RgbToDword(); |
49 | return rgb_final.RgbToDword(); |
| 42 | } |
50 | } |
| 43 | 51 | ||
| 44 | #endif |
52 | #endif |