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/* Copyright (c) 1997 Regents of the University of California */ |
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/* SCCSid "$SunId$ LBL" */ |
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/* RCSid $Id$ */ |
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/* |
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* Private header file for tone mapping routines. |
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*/ |
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#ifndef _RAD_TMPRIVAT_H_ |
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#define _RAD_TMPRIVAT_H_ |
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#undef NOPROTO |
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#define NOPROTO 1 |
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#ifndef MEM_PTR |
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#define MEM_PTR char * |
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#define MEM_PTR void * |
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#endif |
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#include "color.h" |
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#include "tonemap.h" |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/* required constants */ |
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#ifndef M_LN2 |
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#define M_LN2 0.69314718055994530942 |
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#define MINLDMAX 1. |
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#define DEFLDMAX 100. |
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#define BRT2SCALE ((int)(M_LN2*TM_BRTSCALE+.5)) |
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#define BRT2SCALE(l2) (int)(M_LN2*TM_BRTSCALE*(l2) + ((l2)>0 ? .5 : -.5)) |
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#define HISTEP 8 /* steps in BRTSCALE for each bin */ |
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#define BMESLOWER ((int)(-5.18*TM_BRTSCALE-.5)) |
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#define BMESUPPER ((int)(1.73*TM_BRTSCALE+.5)) |
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#endif |
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#ifndef int4 |
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#define int4 int /* assume 32-bit integers */ |
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#endif |
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/* approximate scotopic lum. */ |
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#define SCO_rf 0.062 |
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#define SCO_gf 0.608 |
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#define SCO_bf 0.330 |
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#define scotlum(c) (SCO_rf*(c)[RED] + SCO_gf*(c)[GRN] + SCO_bf*(c)[BLU]) |
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#define normscot(c) ( ( (int4)(SCO_rf*256.+.5)*(c)[RED] + \ |
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(int4)(SCO_gf*256.+.5)*(c)[GRN] + \ |
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(int4)(SCO_bf*256.+.5)*(c)[BLU] ) >> 8 ) |
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#define normscot(c) ( ( (int32)(SCO_rf*256.+.5)*(c)[RED] + \ |
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(int32)(SCO_gf*256.+.5)*(c)[GRN] + \ |
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(int32)(SCO_bf*256.+.5)*(c)[BLU] ) >> 8 ) |
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#ifndef malloc |
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MEM_PTR malloc(); |
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MEM_PTR calloc(); |
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#endif |
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extern int tmErrorReturn(); |
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extern int tmErrorReturn(char*, int); |
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/* lookup for mesopic scaling */ |
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extern BYTE tmMesofact[BMESUPPER-BMESLOWER]; |
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extern void tmMkMesofact(void); /* build tmMesofact */ |
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#define returnErr(code) return(tmErrorReturn(funcName,code)) |
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#define returnOK return(TM_E_OK) |
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#define FEQ(a,b) ((a) < (b)+1e-5 && (b) < (a)+1e-5) |
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#define PRIMEQ(p1,p2) (FEQ((p1)[0][0],(p2)[0][0])&&FEQ((p1)[0][1],(p2)[0][2])\ |
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&&FEQ((p1)[1][0],(p2)[1][0])&&FEQ((p1)[1][1],(p2)[1][2])\ |
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&&FEQ((p1)[2][0],(p2)[2][0])&&FEQ((p1)[2][1],(p2)[2][2])\ |
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&&FEQ((p1)[3][0],(p2)[3][0])&&FEQ((p1)[3][1],(p2)[3][2])) |
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#define PRIMEQ(p1,p2) (FEQ((p1)[0][0],(p2)[0][0])&&FEQ((p1)[0][1],(p2)[0][1])\ |
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&&FEQ((p1)[1][0],(p2)[1][0])&&FEQ((p1)[1][1],(p2)[1][1])\ |
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&&FEQ((p1)[2][0],(p2)[2][0])&&FEQ((p1)[2][1],(p2)[2][1])\ |
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&&FEQ((p1)[3][0],(p2)[3][0])&&FEQ((p1)[3][1],(p2)[3][1])) |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* _RAD_TMPRIVAT_H_ */ |
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