home *** CD-ROM | disk | FTP | other *** search
- /* Copyright (c) 1987 Regents of the University of California */
-
- /* SCCSid "@(#)rpaint.h 2.1 11/12/91 LBL" */
-
- /*
- * rpaint.h - header file for image painting.
- *
- * 1/30/87
- */
-
- #include "driver.h"
-
- #include "view.h"
-
- typedef short COORD; /* an image coordinate */
-
- typedef struct pnode {
- struct pnode *kid; /* children */
- COORD x, y; /* position */
- 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 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 PNODE *findrect();
-