| 1 | /* RCSid $Id: rpaint.h,v 2.4 2003/06/07 00:54:58 schorsch Exp $ */ | 
| 2 | /* | 
| 3 | *  rpaint.h - header file for image painting. | 
| 4 | */ | 
| 5 | #ifndef _RAD_RPAINT_H_ | 
| 6 | #define _RAD_RPAINT_H_ | 
| 7 | #ifdef __cplusplus | 
| 8 | extern "C" { | 
| 9 | #endif | 
| 10 |  | 
| 11 | #include  "driver.h" | 
| 12 |  | 
| 13 | #include  "view.h" | 
| 14 |  | 
| 15 | typedef short  COORD;           /* an image coordinate */ | 
| 16 |  | 
| 17 | typedef struct pnode { | 
| 18 | struct pnode  *kid;             /* children */ | 
| 19 | COORD  x, y;                    /* position */ | 
| 20 | COLOR  v;                       /* value */ | 
| 21 | }  PNODE;                       /* a paint node */ | 
| 22 |  | 
| 23 | /* child ordering */ | 
| 24 | #define  DL             0               /* down left */ | 
| 25 | #define  DR             1               /* down right */ | 
| 26 | #define  UL             2               /* up left */ | 
| 27 | #define  UR             3               /* up right */ | 
| 28 |  | 
| 29 | #define  newptree()     (PNODE *)calloc(4, sizeof(PNODE)) | 
| 30 |  | 
| 31 | typedef struct { | 
| 32 | COORD  l, d, r, u;              /* left, down, right, up */ | 
| 33 | }  RECT;                        /* a rectangle */ | 
| 34 |  | 
| 35 | extern PNODE  ptrunk;           /* the base of the image tree */ | 
| 36 |  | 
| 37 | extern VIEW  ourview;           /* current view parameters */ | 
| 38 | extern VIEW  oldview;           /* previous view parameters */ | 
| 39 | extern int  hresolu, vresolu;   /* image resolution */ | 
| 40 |  | 
| 41 | extern int  greyscale;          /* map colors to brightness? */ | 
| 42 |  | 
| 43 | extern int  pdepth;             /* image depth in current frame */ | 
| 44 | extern RECT  pframe;            /* current frame rectangle */ | 
| 45 |  | 
| 46 | extern double  exposure;        /* exposure for scene */ | 
| 47 |  | 
| 48 | extern struct driver  *dev;     /* driver functions */ | 
| 49 |  | 
| 50 | /* defined in rview.c */ | 
| 51 | extern void     devopen(char *dname); | 
| 52 | extern void     devclose(void); | 
| 53 | extern void     printdevices(void); | 
| 54 | extern void     fillreserves(void); | 
| 55 | extern void     freereserves(void); | 
| 56 | extern void     command(char *prompt); | 
| 57 | extern void     rsample(void); | 
| 58 | extern int      refine(PNODE *p, int xmin, int ymin, | 
| 59 | int xmax, int ymax, int pd); | 
| 60 | /* defined in rv2.c */ | 
| 61 | extern void     getframe(char *s); | 
| 62 | extern void     getrepaint(char *s); | 
| 63 | extern void     getview(char *s); | 
| 64 | extern void     lastview(char *s); | 
| 65 | extern void     saveview(char *s); | 
| 66 | extern void     loadview(char *s); | 
| 67 | extern void     getaim(char *s); | 
| 68 | extern void     getmove(char *s); | 
| 69 | extern void     getrotate(char *s); | 
| 70 | extern void     getpivot(char *s); | 
| 71 | extern void     getexposure(char *s); | 
| 72 | extern int      getparam(char *str, char *dsc, int typ, void *p); | 
| 73 | extern void     setparam(char *s); | 
| 74 | extern void     traceray(char *s); | 
| 75 | extern void     writepict(char *s); | 
| 76 | /* defined in rv3.c */ | 
| 77 | extern int      getrect(char *s, RECT *r); | 
| 78 | extern int      getinterest(char *s, int direc, FVECT vec, double *mp); | 
| 79 | extern float    *greyof(COLOR col); | 
| 80 | extern void     paint(PNODE *p, int xmin, int ymin, int xmax, int ymax); | 
| 81 | extern void     newimage(void); | 
| 82 | extern void     redraw(void); | 
| 83 | extern void     repaint(int xmin, int ymin, int xmax, int ymax); | 
| 84 | extern void     paintrect(PNODE *p, int xmin, int ymin, | 
| 85 | int xmax, int ymax, RECT *r); | 
| 86 | extern PNODE    *findrect(int x, int y, PNODE *p, RECT *r, int pd); | 
| 87 | extern void     scalepict(PNODE *p, double sf); | 
| 88 | extern void     getpictcolrs(int yoff, COLR *scan, PNODE *p, | 
| 89 | int xsiz, int ysiz); | 
| 90 | extern void     freepkids(PNODE *p); | 
| 91 | extern void     newview(VIEW *vp); | 
| 92 | extern void     moveview(double angle, double elev, double mag, FVECT vc); | 
| 93 | extern void     pcopy(PNODE *p1, PNODE *p2); | 
| 94 | extern void     zoomview(VIEW *vp, double zf); | 
| 95 |  | 
| 96 |  | 
| 97 | #ifdef __cplusplus | 
| 98 | } | 
| 99 | #endif | 
| 100 | #endif /* _RAD_RPAINT_H_ */ | 
| 101 |  |