| # | Line 48 | Line 48 | typedef float COLOR[3]; /* red, green, blue */ | |
|---|---|---|
| 48 | #define normbright(c) (int)((67L*(c)[RED]+168L*(c)[GRN]+21L*(c)[BLU])/256) | |
| 49 | #endif | |
| 50 | ||
| 51 | < | #define luminance(col) (470. * bright(col)) |
| 51 | > | #define D65EFFICACY 203. /* luminous efficacy of D65 */ |
| 52 | > | #define luminance(col) (D65EFFICACY * bright(col)) |
| 53 | ||
| 54 | #define intens(col) ( (col)[0] > (col)[1] \ | |
| 55 | ? (col)[0] > (col)[2] ? (col)[0] : (col)[2] \ | |
| – | Removed lines |
| + | Added lines |
| < | Changed lines |
| > | Changed lines |