| # | 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)) |
| 52 | + | |
| 53 | #define intens(col) ( (col)[0] > (col)[1] \ | |
| 54 | ? (col)[0] > (col)[2] ? (col)[0] : (col)[2] \ | |
| 55 | : (col)[1] > (col)[2] ? (col)[1] : (col)[2] ) | |
| # | Line 65 | Line 67 | typedef float COLOR[3]; /* red, green, blue */ | |
| 67 | #define XDECR 1 | |
| 68 | #define YDECR 2 | |
| 69 | #define YMAJOR 4 | |
| 70 | + | |
| 71 | + | /* picture format identifier */ |
| 72 | + | #define COLRFMT "32-bit_rle_rgbe" |
| 73 | ||
| 74 | /* macros for exposures */ | |
| 75 | #define EXPOSSTR "EXPOSURE=" | |
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