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/* Copyright (c) 1992 The Geometry Center; University of Minnesota
1300 South Second Street; Minneapolis, MN 55454, USA;
This file is part of geomview/OOGL. geomview/OOGL is free software;
you can redistribute it and/or modify it only under the terms given in
the file COPYING, which you should have received along with this file.
This and other related software may be obtained via anonymous ftp from
geom.umn.edu; email: software@geom.umn.edu. */
/* Authors: Charlie Gunn, Stuart Levy, Tamara Munzner, Mark Phillips */
#ifndef WINDOWDEF
#define WINDOWDEF
#include <stdio.h>
#include "reference.h"
#include "ooglutil.h"
#include "streampool.h"
typedef struct {
int xmin, xmax, ymin, ymax;
} WnPosition;
typedef struct WnWindow WnWindow;
/* Public WnWindow methods: */
extern WnWindow *WnCreate(int firstattr, ... /*, WN_END */);
extern WnWindow *WnSet(WnWindow *, int firstattr, ... /*, WN_END */);
extern int WnGet(WnWindow *, int attr, void *value);
extern void WnDelete(WnWindow *);
extern WnWindow *WnCopy(WnWindow *);
extern WnWindow *WnMerge(WnWindow *src, WnWindow *dst);
extern int WnStreamOut( Pool *, Handle *, WnWindow * );
/*
* Attributes for WnCreate(), WnSet(), WnGet().
*
* Supplying a NULL pointer, or -1 value, for one of these
* unsets the corresponding value.
*
* Initially, all values are unset.
*
* WnGet()'s returned value
* on an invalid token is -1
* on an unset value is 0
* on a set value is 1
*/
/* Set/Create type Get type */
#define WN_END 900 /* --------------- -------- */
#define WN_XSIZE 901 /* int int * */
#define WN_YSIZE 902 /* int int * */
#define WN_PREFPOS 903 /* WnPosition * WnPosition * */
#define WN_VIEWPORT 904 /* WnPosition * WnPosition * */
#define WN_CURPOS 905 /* WnPosition * WnPosition * */
#define WN_NAME 906 /* char * char ** */
/*
* The following attributes always have a value (may not be "unset"):
*/
#define WN_ENLARGE 907 /* int int * */
#define WN_SHRINK 908 /* int int * */
#define WN_NOBORDER 909 /* int int * */
#define WN_ASPECT 910 /* --- unsettable --- float * */
#define WN_PIXELASPECT 911 /* float float * */
#define WN_ABLOCK 912 /* void **ablock --ungettable-- */
/*
WN_END: end of attribute list
WN_XSIZE: desired window width in pixels
WN_YSIZE: desired window height in pixels
WN_PREFPOS: desired absolute position of window (pixels)
WN_VIEWPORT: viewport relative to window (pixels)
WN_CURPOS: window's real position (pixels)
WN_NAME: window name
WN_ENLARGE: window enlargable from pref size? (1=yes, 0=no) (default:1)
WN_SHRINK: window shrinkable from pref size? (1=yes, 0=no) (default:1)
WN_NOBORDER: draw window without border? (1=yes, 0=no) (default:0)
WN_ASPECT: the window's current aspect ratio; the window package updates
this automatically when you set the CURPOS attribute.
WN_PIXELASPECT: pixel aspect ratio, i.e. screen X pixel size / Y pixel size.
Default is 1.0, but may change e.g. for stereo hardware.
Taken into account by WN_ASPECT */
#endif /* WINDOWDEF */
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