40 |
|
|
41 |
|
#define multcolor(c1,c2) ((c1)[0]*=(c2)[0],(c1)[1]*=(c2)[1],(c1)[2]*=(c2)[2]) |
42 |
|
|
43 |
< |
#define bright(col) (.30*(col)[RED]+.59*(col)[GRN]+.11*(col)[BLU]) |
43 |
> |
#ifdef NTSC |
44 |
> |
#define bright(col) (.295*(col)[RED]+.636*(col)[GRN]+.070*(col)[BLU]) |
45 |
> |
#define normbright(c) (int)((74L*(c)[RED]+164L*(c)[GRN]+18L*(c)[BLU])/256) |
46 |
> |
#else |
47 |
> |
#define bright(col) (.263*(col)[RED]+.655*(col)[GRN]+.082*(col)[BLU]) |
48 |
> |
#define normbright(c) (int)((67L*(c)[RED]+168L*(c)[GRN]+21L*(c)[BLU])/256) |
49 |
> |
#endif |
50 |
|
|
51 |
+ |
#define luminance(col) (683.0 * 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] ) |
58 |
|
ldexp((c)[p]+.5,(int)(c)[EXP]-(COLXS+8)) : \ |
59 |
|
0. ) |
60 |
|
|
53 |
– |
#define normbright(c) (int)((77L*(c)[RED]+151L*(c)[GRN]+28L*(c)[BLU])/256) |
54 |
– |
|
61 |
|
#define WHTCOLOR {1.0,1.0,1.0} |
62 |
|
#define BLKCOLOR {0.0,0.0,0.0} |
63 |
|
#define WHTCOLR {128,128,128,COLXS+1} |
68 |
|
#define YDECR 2 |
69 |
|
#define YMAJOR 4 |
70 |
|
|
71 |
< |
/* info. header string indicating exposure */ |
71 |
> |
/* macros for exposures */ |
72 |
|
#define EXPOSSTR "EXPOSURE=" |
73 |
|
#define EXPOSSTRL 9 |
74 |
|
#define isexpos(hl) (!strncmp(hl,EXPOSSTR,EXPOSSTRL)) |
75 |
|
#define exposval(hl) atof((hl)+EXPOSSTRL) |
76 |
|
#define fputexpos(ex,fp) fprintf(fp,"%s%e\n",EXPOSSTR,ex) |
77 |
+ |
|
78 |
+ |
/* macros for pixel aspect ratios */ |
79 |
+ |
#define ASPECTSTR "PIXASPECT=" |
80 |
+ |
#define ASPECTSTRL 10 |
81 |
+ |
#define isaspect(hl) (!strncmp(hl,ASPECTSTR,ASPECTSTRL)) |
82 |
+ |
#define aspectval(hl) atof((hl)+ASPECTSTRL) |
83 |
+ |
#define fputaspect(pa,fp) fprintf(fp,"%s%f\n",ASPECTSTR,pa) |
84 |
+ |
|
85 |
+ |
/* macros for color correction */ |
86 |
+ |
#define COLCORSTR "COLORCORR=" |
87 |
+ |
#define COLCORSTRL 10 |
88 |
+ |
#define iscolcor(hl) (!strncmp(hl,COLCORSTR,COLCORSTRL)) |
89 |
+ |
#define colcorval(cc,hl) sscanf(hl+COLCORSTRL,"%f %f %f", \ |
90 |
+ |
&(cc)[RED],&(cc)[GRN],&(cc)[BLU]) |
91 |
+ |
#define fputcolcor(cc,fp) fprintf(fp,"%s %f %f %f\n",COLCORSTR, \ |
92 |
+ |
(cc)[RED],(cc)[GRN],(cc)[BLU]) |
93 |
|
|
94 |
|
extern double ldexp(), atof(); |