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greg |
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/* Copyright (c) 1987 Regents of the University of California */
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/* SCCSid "$SunId$ LBL" */
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/*
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* rpaint.h - header file for image painting.
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*
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* 1/30/87
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*/
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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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greg |
1.2 |
extern int hresolu, vresolu; /* image resolution */
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greg |
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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extern PNODE *findrect();
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