graph.h

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/****************************************************************************
*
*                            Open Watcom Project
*
*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
*  ========================================================================
*
*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
*    Public License version 1.0 (the 'License'). You may not use this file
*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
*    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
*    provided with the Original Code and Modifications, and is also
*    available at www.sybase.com/developer/opensource.
*
*    The Original Code and all software distributed under the License are
*    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
*    ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
*    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
*    NON-INFRINGEMENT. Please see the License for the specific language
*    governing rights and limitations under the License.
*
*  ========================================================================
*
* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
*               DESCRIBE IT HERE!
*
****************************************************************************/


#ifndef _GRAPH_H_INCLUDED
#define _GRAPH_H_INCLUDED
#ifdef __cplusplus
extern "C" {
#endif

#ifndef _COMDEF_H_INCLUDED
 #include <_comdef.h>
#endif

#pragma pack(__push,1);

#if defined(__QNX__) && defined(__386__)
 #ifdef __SW_3R
    #pragma library (graph3r)
 #else
    #pragma library (graph3s)
 #endif
#else
    #pragma library (graph);
#endif

struct xycoord {                /* structure for pixel position */
        short   xcoord;
        short   ycoord;
};

struct _wxycoord {              /* structure for window position*/
        double  wx;
        double  wy;
};

struct rccoord {                /* structure for text position  */
        short   row;
        short   col;
};

struct videoconfig {            /* structure for _getvideoconfig */
        short   numxpixels;
        short   numypixels;
        short   numtextcols;
        short   numtextrows;
        short   numcolors;
        short   bitsperpixel;
        short   numvideopages;
        short   mode;
        short   adapter;
        short   monitor;
        short   memory;
};

struct textsettings {           /* structure for _gettextsettings */
        short   basevectorx;
        short   basevectory;
        short   txpath;
        short   height;
        short   width;
        short   spacing;
        short   horizalign;
        short   vertalign;
};

struct _fontinfo {              /* structure for _getfontinfo */
        short   type;
        short   ascent;
        short   pixwidth;
        short   pixheight;
        short   avgwidth;
        char    filename[ 81 ];
        char    facename[ 32 ];
};

/* Calling conventions for -fpi(87) are different than for -fpc */
#if defined( __FPI__ )
    #define _arc_w              _arc_w_87
    #define _ellipse_w          _ellipse_w_87
    #define _floodfill_w        _floodfill_w_87
    #define _getimage_w         _getimage_w_87
    #define _getpixel_w         _getpixel_w_87
    #define _getviewcoord_w     _getviewcoord_w_87
    #define _grtext_w           _grtext_w_87
    #define _imagesize_w        _imagesize_w_87
    #define _lineto_w           _lineto_w_87
    #define _moveto_w           _moveto_w_87
    #define _pie_w              _pie_w_87
    #define _putimage_w         _putimage_w_87
    #define _rectangle_w        _rectangle_w_87
    #define _setcharsize_w      _setcharsize_w_87
    #define _setcharspacing_w   _setcharspacing_w_87
    #define _setpixel_w         _setpixel_w_87
    #define _setwindow          _setwindow_87
#endif

/* Video Setup and Query Functions */

short _WCI86FAR _CGRAPH      _setvideomode( short );
short _WCI86FAR _CGRAPH      _setvideomoderows( short, short );
struct videoconfig _WCI86FAR * _WCI86FAR _CGRAPH
                        _getvideoconfig( struct videoconfig _WCI86FAR * );
short _WCI86FAR _CGRAPH      _grstatus( void );
short _WCI86FAR _CGRAPH      _setactivepage( short );
short _WCI86FAR _CGRAPH      _getactivepage( void );
short _WCI86FAR _CGRAPH      _setvisualpage( short );
short _WCI86FAR _CGRAPH      _getvisualpage( void );

#define _MAXRESMODE     (-3)    /* graphics mode with highest res. */
#define _MAXCOLORMODE   (-2)    /* graphics mode with most colours */
#define _DEFAULTMODE    (-1)    /* restore screen to original mode */
#define _TEXTBW40       0       /* 40 x 25 text, 16 grey           */
#define _TEXTC40        1       /* 40 x 25 text, 16/8 color        */
#define _TEXTBW80       2       /* 80 x 25 text, 16 grey           */
#define _TEXTC80        3       /* 80 x 25 text, 16/8 color        */
#define _MRES4COLOR     4       /* 320 x 200, 4 color              */
#define _MRESNOCOLOR    5       /* 320 x 200, 4 grey               */
#define _HRESBW         6       /* 640 x 200, BW                   */
#define _TEXTMONO       7       /* 80 x 25 text, BW                */
#define _HERCMONO       11      /* 720 x 350, BW                   */
#define _MRES16COLOR    13      /* 320 x 200, 16 color             */
#define _HRES16COLOR    14      /* 640 x 200, 16 color             */
#define _ERESNOCOLOR    15      /* 640 x 350, BW                   */
#define _ERESCOLOR      16      /* 640 x 350, 4 or 16 color        */
#define _VRES2COLOR     17      /* 640 x 480, BW                   */
#define _VRES16COLOR    18      /* 640 x 480, 16 color             */
#define _MRES256COLOR   19      /* 320 x 200, 256 color            */
#define _URES256COLOR   0x100   /* 640 x 400, 256 color            */
#define _VRES256COLOR   0x101   /* 640 x 480, 256 color            */
#define _SVRES16COLOR   0x102   /* 800 x 600, 16 color             */
#define _SVRES256COLOR  0x103   /* 800 x 600, 256 color            */
#define _XRES16COLOR    0x104   /* 1024 x 768, 16 color            */
#define _XRES256COLOR   0x105   /* 1024 x 768, 256 color           */
#if 0
// This mode is untested
#define _VRES32KCOLOR   0x110   /* 640 x 480, 32768 color          */
#endif

#define _NODISPLAY      (-1)    /* no display device            */
#define _UNKNOWN        0       /* unknown adapter/monitor type */

#define _MDPA           1       /* monochrome display/printer adapter */
#define _CGA            2       /* colour/graphics monitor adapter    */
#define _HERCULES       3       /* Hercules monochrome adapter card   */
#define _MCGA           4       /* PS/2 Model 30 monitor              */
#define _EGA            5       /* enhanced graphics adapter          */
#define _VGA            6       /* vector graphics array              */
#define _SVGA           7       /* super VGA                          */
#define _HGC            _HERCULES

#define _MONO           1       /* regular monochrome */
#define _COLOR          2       /* regular color      */
#define _ENHANCED       3       /* enhanced color     */
#define _ANALOGMONO     5       /* analog monochrome  */
#define _ANALOGCOLOR    6       /* analog color       */

#define _GROK                   0      /* no error                     */
#define _GRERROR                (-1)   /* graphics error               */
#define _GRMODENOTSUPPORTED     (-2)   /* video mode not supported     */
#define _GRNOTINPROPERMODE      (-3)   /* function n/a in this mode    */
#define _GRINVALIDPARAMETER     (-4)   /* invalid parameter(s)         */
#define _GRINSUFFICIENTMEMORY   (-5)   /* out of memory                */
#define _GRFONTFILENOTFOUND     (-6)   /* can't open font file         */
#define _GRINVALIDFONTFILE      (-7)   /* font file has invalid format */
#define _GRNOOUTPUT             1      /* nothing was done             */
#define _GRCLIPPED              2      /* output clipped               */

/* Colour Setting and Query Functions */

short _WCI86FAR _CGRAPH      _setcolor( short );
short _WCI86FAR _CGRAPH      _getcolor( void );
long _WCI86FAR _CGRAPH       _setbkcolor( long );
long _WCI86FAR _CGRAPH       _getbkcolor( void );
long _WCI86FAR _CGRAPH       _remappalette( short, long );