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/* |
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* view.h - header file for image generation. |
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* |
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* Include after fvect.h |
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* Include after stdio.h and fvect.h |
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* Includes resolu.h |
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*/ |
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#ifndef _RAD_VIEW_H_ |
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#define _RAD_VIEW_H_ |
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|
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#include "copyright.h" |
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#include <time.h> |
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#include "resolu.h" |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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|
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/* view types */ |
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#define VT_PER 'v' /* perspective */ |
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#define VT_PAR 'l' /* parallel */ |
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#define VIEWSTR "VIEW=" |
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#define VIEWSTRL 5 |
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#ifdef NOPROTO |
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extern char *setview(); |
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extern void normaspect(); |
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extern double viewray(); |
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extern void viewloc(); |
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extern void pix2loc(); |
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extern void loc2pix(); |
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extern int getviewopt(); |
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extern int sscanview(); |
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extern void fprintview(); |
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extern char *viewopt(); |
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extern int isview(); |
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extern int viewfile(); |
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#else |
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extern char *setview(VIEW *v); |
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extern void normaspect(double va, double *ap, int *xp, int *yp); |
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extern double viewray(FVECT orig, FVECT direc, VIEW *v, double x, double y); |
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extern void viewloc(FVECT ip, VIEW *v, FVECT p); |
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extern void pix2loc(FLOAT loc[2], RESOLU *rp, int px, int py); |
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extern void pix2loc(RREAL loc[2], RESOLU *rp, int px, int py); |
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extern void loc2pix(int pp[2], RESOLU *rp, double lx, double ly); |
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extern int getviewopt(VIEW *v, int ac, char *av[]); |
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extern int sscanview(VIEW *vp, char *s); |
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extern int isview(char *s); |
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extern int viewfile(char *fname, VIEW *vp, RESOLU *rp); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* _RAD_VIEW_H_ */ |
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