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rpaint.h
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Thu, Jul 18, 09:40

rpaint.h
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/* RCSid $Id: rpaint.h,v 2.12 2016/03/06 01:13:18 schorsch Exp $ */
/*
* rpaint.h - header file for image painting.
*/
#ifndef _RAD_RPAINT_H_
#define _RAD_RPAINT_H_
#include "driver.h"
#include "view.h"
#ifdef __cplusplus
extern "C" {
#endif
#if defined(_WIN32) || defined(_WIN64)
/* stupid Windows name collisions */
#undef COORD
#define COORD radCOORD
#undef RECT
#define RECT radRECT
#endif
typedef short COORD; /* an image coordinate */
typedef struct pnode {
struct pnode *kid; /* children */
COORD x, y; /* position */
COORD xmin, ymin, xmax, ymax; /* rectangle */
COLOR v; /* value */
} PNODE; /* a paint node */
/* child ordering */
#define DL 0 /* down left */
#define DR 1 /* down right */
#define UL 2 /* up left */
#define UR 3 /* up right */
#define newptree() (PNODE *)calloc(4, sizeof(PNODE))
typedef struct {
COORD l, d, r, u; /* left, down, right, up */
} RECT; /* a rectangle */
extern PNODE ptrunk; /* the base of the image tree */
extern VIEW ourview; /* current view parameters */
extern VIEW oldview; /* previous view parameters */
extern int hresolu, vresolu; /* image resolution */
extern int newparam; /* parameter setting changed */
extern char *dvcname; /* output device name */
extern char rifname[]; /* rad input file name */
extern int psample; /* pixel sample size */
extern double maxdiff; /* max. sample difference */
extern int greyscale; /* map colors to brightness? */
extern int pdepth; /* image depth in current frame */
extern RECT pframe; /* current frame rectangle */
extern double exposure; /* exposure for scene */
extern struct driver *dev; /* driver functions */
extern int nproc; /* number of processes */
/* defined in rview.c */
extern void devopen(char *dname);
extern void devclose(void);
extern void printdevices(void);
extern void command(char *prompt);
extern void rsample(void);
extern int refine(PNODE *p, int pd);
/* defined in rv2.c */
extern void getframe(char *s);
extern void getrepaint(char *s);
extern void getview(char *s);
extern void lastview(char *s);
extern void saveview(char *s);
extern void loadview(char *s);
extern void getfocus(char *s);
extern void getaim(char *s);
extern void getmove(char *s);
extern void getrotate(char *s);
extern void getpivot(char *s);
extern void getorigin(char *s);
extern void getexposure(char *s);
extern int getparam(char *str, char *dsc, int typ, void *p);
extern void setparam(char *s);
extern void traceray(char *s);
extern void writepict(char *s);
/* defined in rv3.c */
extern int getrect(char *s, RECT *r);
extern int getinterest(char *s, int direc, FVECT vec, double *mp);
extern float *greyof(COLOR col);
extern int paint(PNODE *p);
extern int waitrays(void);
extern void newimage(char *s);
extern void redraw(void);
extern void repaint(int xmin, int ymin, int xmax, int ymax);
extern void paintrect(PNODE *p, RECT *r);
extern PNODE *findrect(int x, int y, PNODE *p, int pd);
extern void compavg(PNODE *p);
extern void scalepict(PNODE *p, double sf);
extern void getpictcolrs(int yoff, COLR *scan, PNODE *p,
int xsiz, int ysiz);
extern void freepkids(PNODE *p);
extern void newview(VIEW *vp);
extern void moveview(double angle, double elev, double mag, FVECT vc);
extern void pcopy(PNODE *p1, PNODE *p2);
extern void zoomview(VIEW *vp, double zf);
#ifdef __cplusplus
}
#endif
#endif /* _RAD_RPAINT_H_ */

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