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/* RCSid $Id: rpaint.h,v 2.3 2003/02/25 02:47:23 greg Exp $ */ |
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/* |
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* rpaint.h - header file for image painting. |
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*/ |
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#ifndef _RAD_RPAINT_H_ |
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#define _RAD_RPAINT_H_ |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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#include "copyright.h" |
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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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extern int hresolu, vresolu; /* image resolution */ |
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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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/* 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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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* _RAD_RPAINT_H_ */ |
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