This is mg_xglP.h in view mode; [Download] [Up]
/* 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 */
#include "mgP.h"
#include "mg_xgl.h"
#define _sys_varargs_h /* Prevent including <varargs.h>! */
#undef __STDC__ /* Kludge around Sun "DOTDOTDOT" misdeclarations */
#include <xview/xview.h>
#include <xview/canvas.h>
#include <xgl/xgl.h>
#define __STDC__
typedef struct mgxglcontext {
mgcontext mgc;
int born;
/* XGL state data */
Xgl_3d_ctx xglctx; /* XGL context; == ctx_win or ctx_mem */
Xgl_win_ras xglwin; /* XGL X11/XView window */
Xgl_mem_ras xglmem; /* XGL memory raster, in case we need it */
Xgl_trans xglview; /* Viewing (camera projection) transform */
Xgl_trans xglmodel; /* Modelling transform */
Xgl_trans xglcam; /* World-to-camera transform */
Xgl_cmap xglcmap; /* XGL Colormap */
Xgl_3d_ctx ctx_win; /* XGL 3D context for window */
Xgl_3d_ctx ctx_mem; /* XGL 3D context for memory raster (if any) */
void *memras; /* Memory area, in case we use mem raster */
#define MGXGL_MAXLIGHTS 12
Xgl_light xgllgts[MGXGL_MAXLIGHTS]; /* Array of lights */
int xglnlights; /* Number of lights */
int xgllgtmask; /* Bitmask: which of these are on? */
Xgl_trans xglidentity; /* Convenient identity transform */
/* Double-buffering state */
int membuf; /* Drawing into (memory) back-buffer */
int already; /* Front buffer already exists */
int useX11; /* Using X11 (else XView) */
/* X11 settable values */
Window x11win; /* MG_XWINDOW */
Display *x11dpy; /* MG_XDISPLAY */
int x11scrn; /* MG_XSCREEN */
/* XView settable values */
Xv_Window xvwin; /* XView window structure */
Frame frame; /* " frame-window structure */
Canvas canvas; /* " canvas */
int repaint; /* MG_REPAINT flag */
int resize; /* MG_RESIZE flag */
void (*dorepaint)(); /* MG_REPAINT_PROC callback */
void (*doresize)(); /* MG_RESIZE_PROC callback */
/* Misc private data */
void *xbuf; /* General-use buffer for XGL primitive data */
int bufsiz; /* size of malloc'ed xbuf */
int bufused; /* buf pointer -- amount used now */
void (*flushfunc)(); /* function to flush buffer [not yet used] */
/* mg emulation of stuff XGL really ought to handle */
/* Not implemented yet (if ever) - 91.09.24 slevy */
char weshade; /* We compute shading, not XGL */
char wedither; /* We (not XGL) dither to approximate colors */
char colorindex; /* Running XGL in colorindex (else RGB) mode */
Transform world2cam; /* World->Camera transform from MGC->cam, */
/* cached for quick access while shading. */
} mgxglcontext;
#define MGXGL ((mgxglcontext *)_mgc)
#define MGC _mgc
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.