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/* RCSid: $Id$ */
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/*
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* rpaint.h - header file for image painting.
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*/
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/* ====================================================================
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* The Radiance Software License, Version 1.0
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*
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* Copyright (c) 1990 - 2002 The Regents of the University of California,
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* through Lawrence Berkeley National Laboratory. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes Radiance software
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* (http://radsite.lbl.gov/)
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* developed by the Lawrence Berkeley National Laboratory
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* (http://www.lbl.gov/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
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* and "The Regents of the University of California" must
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* not be used to endorse or promote products derived from this
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* software without prior written permission. For written
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* permission, please contact [email protected].
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*
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* 5. Products derived from this software may not be called "Radiance",
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* nor may "Radiance" appear in their name, without prior written
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* permission of Lawrence Berkeley National Laboratory.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of Lawrence Berkeley National Laboratory. For more
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* information on Lawrence Berkeley National Laboratory, please see
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* <http://www.lbl.gov/>.
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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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#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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