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2.3 |
/* RCSid $Id$ */
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1.1 |
/*
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* rpaint.h - header file for image painting.
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greg |
2.2 |
*/
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greg |
2.3 |
#include "copyright.h"
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1.1 |
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#include "driver.h"
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#include "view.h"
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typedef short COORD; /* an image coordinate */
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typedef struct pnode {
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struct pnode *kid; /* children */
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COORD x, y; /* position */
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COLOR v; /* value */
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} PNODE; /* a paint node */
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/* child ordering */
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#define DL 0 /* down left */
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#define DR 1 /* down right */
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#define UL 2 /* up left */
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#define UR 3 /* up right */
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#define newptree() (PNODE *)calloc(4, sizeof(PNODE))
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typedef struct {
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COORD l, d, r, u; /* left, down, right, up */
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} RECT; /* a rectangle */
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extern PNODE ptrunk; /* the base of the image tree */
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extern VIEW ourview; /* current view parameters */
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extern VIEW oldview; /* previous view parameters */
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1.2 |
extern int hresolu, vresolu; /* image resolution */
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1.1 |
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extern int greyscale; /* map colors to brightness? */
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extern int pdepth; /* image depth in current frame */
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extern RECT pframe; /* current frame rectangle */
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extern double exposure; /* exposure for scene */
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extern struct driver *dev; /* driver functions */
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2.2 |
#ifdef NOPROTO
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extern void devopen();
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extern void devclose();
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extern void printdevices();
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extern void fillreserves();
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extern void freereserves();
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extern void command();
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extern void rsample();
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extern int refine();
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extern void getframe();
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extern void getrepaint();
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extern void getview();
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extern void lastview();
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extern void saveview();
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extern void loadview();
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extern void getaim();
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extern void getmove();
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extern void getrotate();
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extern void getpivot();
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extern void getexposure();
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extern int getparam();
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extern void setparam();
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extern void traceray();
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extern void writepict();
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extern int getrect();
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extern int getinterest();
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extern float *greyof();
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extern void paint();
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extern void newimage();
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extern void redraw();
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extern void repaint();
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extern void paintrec();
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extern PNODE *findrect();
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extern void scalepict();
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extern void getpictcolrs();
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extern void freepkids();
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extern void newview();
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extern void moveview();
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extern void pcopy();
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extern void zoomview();
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#else
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/* defined in rview.c */
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extern void devopen(char *dname);
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extern void devclose(void);
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extern void printdevices(void);
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extern void fillreserves(void);
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extern void freereserves(void);
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extern void command(char *prompt);
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extern void rsample(void);
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extern int refine(PNODE *p, int xmin, int ymin,
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int xmax, int ymax, int pd);
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/* defined in rv2.c */
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extern void getframe(char *s);
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extern void getrepaint(char *s);
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extern void getview(char *s);
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extern void lastview(char *s);
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extern void saveview(char *s);
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extern void loadview(char *s);
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extern void getaim(char *s);
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extern void getmove(char *s);
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extern void getrotate(char *s);
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extern void getpivot(char *s);
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extern void getexposure(char *s);
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extern int getparam(char *str, char *dsc, int typ, void *p);
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extern void setparam(char *s);
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extern void traceray(char *s);
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extern void writepict(char *s);
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/* defined in rv3.c */
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extern int getrect(char *s, RECT *r);
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extern int getinterest(char *s, int direc, FVECT vec, double *mp);
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extern float *greyof(COLOR col);
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extern void paint(PNODE *p, int xmin, int ymin, int xmax, int ymax);
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extern void newimage(void);
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extern void redraw(void);
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extern void repaint(int xmin, int ymin, int xmax, int ymax);
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extern void paintrect(PNODE *p, int xmin, int ymin,
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int xmax, int ymax, RECT *r);
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extern PNODE *findrect(int x, int y, PNODE *p, RECT *r, int pd);
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extern void scalepict(PNODE *p, double sf);
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extern void getpictcolrs(int yoff, COLR *scan, PNODE *p,
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int xsiz, int ysiz);
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extern void freepkids(PNODE *p);
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extern void newview(VIEW *vp);
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extern void moveview(double angle, double elev, double mag, FVECT vc);
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extern void pcopy(PNODE *p1, PNODE *p2);
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extern void zoomview(VIEW *vp, double zf);
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#endif
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