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/* Copyright (c) 1986 Regents of the University of California */ |
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/* Copyright (c) 1991 Regents of the University of California */ |
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/* SCCSid "$SunId$ LBL" */ |
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#ifdef NTSC |
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#define bright(col) (.295*(col)[RED]+.636*(col)[GRN]+.070*(col)[BLU]) |
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#define normbright(c) (int)((74L*(c)[RED]+164L*(c)[GRN]+18L*(c)[BLU])/256) |
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#define normbright(c) (int)((74L*(c)[RED]+164L*(c)[GRN]+18L*(c)[BLU])>>8) |
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#else |
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#define bright(col) (.263*(col)[RED]+.655*(col)[GRN]+.082*(col)[BLU]) |
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#define normbright(c) (int)((67L*(c)[RED]+168L*(c)[GRN]+21L*(c)[BLU])/256) |
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#define normbright(c) (int)((67L*(c)[RED]+168L*(c)[GRN]+21L*(c)[BLU])>>8) |
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#endif |
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/* luminous efficacies over visible spectrum */ |
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#define WHTCOLR {128,128,128,COLXS+1} |
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#define BLKCOLR {0,0,0,0} |
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/* definitions for resolution header */ |
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#define XDECR 1 |
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#define YDECR 2 |
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#define YMAJOR 4 |
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/* picture format identifier */ |
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#define COLRFMT "32-bit_rle_rgbe" |
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&(cc)[RED],&(cc)[GRN],&(cc)[BLU]) |
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#define fputcolcor(cc,fp) fprintf(fp,"%s %f %f %f\n",COLCORSTR, \ |
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(cc)[RED],(cc)[GRN],(cc)[BLU]) |
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extern double ldexp(), atof(); |
