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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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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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extern PNODE *findrect(); |
