1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1991-1997 S��ren Schmidt
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer
12 *    in this position and unchanged.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 *    derived from this software without specific prior written permission
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef _VGL_H_
32#define _VGL_H_
33
34#include <stdlib.h>
35#include <unistd.h>
36#include <string.h>
37#include <machine/cpufunc.h>
38
39typedef unsigned char byte;
40typedef struct {
41  byte 	Type;
42  int  	Xsize, Ysize;
43  int  	VXsize, VYsize;
44  int   Xorigin, Yorigin;
45  byte 	*Bitmap;
46  int	PixelBytes;
47} VGLBitmap;
48
49#define VGLBITMAP_INITIALIZER(t, x, y, bits)	\
50	{ (t), (x), (y), (x), (y), 0, 0, (bits), -1 }
51
52/*
53 * Defined Type's
54 */
55#define MEMBUF		0
56#define VIDBUF4		1
57#define VIDBUF8		2
58#define VIDBUF8X	3
59#define VIDBUF8S	4
60#define VIDBUF4S	5
61#define VIDBUF16	6		/* Direct Color linear buffer */
62#define VIDBUF24	7		/* Direct Color linear buffer */
63#define VIDBUF32	8		/* Direct Color linear buffer */
64#define VIDBUF16S	9		/* Direct Color segmented buffer */
65#define VIDBUF24S	10		/* Direct Color segmented buffer */
66#define VIDBUF32S	11		/* Direct Color segmented buffer */
67#define NOBUF		255
68
69typedef struct VGLText {
70  byte	Width, Height;
71  byte	*BitmapArray;
72} VGLText;
73
74typedef struct VGLObject {
75  int	  	Id;
76  int	  	Type;
77  int	  	Status;
78  int	  	Xpos, Ypos;
79  int	  	Xhot, Yhot;
80  VGLBitmap 	*Image;
81  VGLBitmap 	*Mask;
82  int		(*CallBackFunction)();
83} VGLObject;
84
85#define MOUSE_IMG_SIZE		16
86#define VGL_MOUSEHIDE		0
87#define VGL_MOUSESHOW		1
88#define VGL_MOUSEFREEZE		0
89#define VGL_MOUSEUNFREEZE	1
90#define VGL_DIR_RIGHT		0
91#define VGL_DIR_UP		1
92#define VGL_DIR_LEFT		2
93#define VGL_DIR_DOWN		3
94#define VGL_RAWKEYS		1
95#define VGL_CODEKEYS		2
96#define VGL_XLATEKEYS		3
97
98extern video_adapter_info_t	VGLAdpInfo;
99extern video_info_t		VGLModeInfo;
100extern VGLBitmap 		*VGLDisplay;
101extern VGLBitmap 		VGLVDisplay;
102extern byte 			*VGLBuf;
103
104/*
105 * Prototypes
106 */
107/* bitmap.c */
108int __VGLBitmapCopy(VGLBitmap *src, int srcx, int srcy, VGLBitmap *dst, int dstx, int dsty, int width, int hight);
109int VGLBitmapCopy(VGLBitmap *src, int srcx, int srcy, VGLBitmap *dst, int dstx, int dsty, int width, int hight);
110VGLBitmap *VGLBitmapCreate(int type, int xsize, int ysize, byte *bits);
111void VGLBitmapDestroy(VGLBitmap *object);
112int VGLBitmapAllocateBits(VGLBitmap *object);
113void VGLBitmapCvt(VGLBitmap *src, VGLBitmap *dst);
114/* keyboard.c */
115int VGLKeyboardInit(int mode);
116void VGLKeyboardEnd(void);
117int VGLKeyboardGetCh(void);
118/* main.c */
119void VGLEnd(void);
120int VGLInit(int mode);
121void VGLCheckSwitch(void);
122int VGLSetVScreenSize(VGLBitmap *object, int VXsize, int VYsize);
123int VGLPanScreen(VGLBitmap *object, int x, int y);
124int VGLSetSegment(unsigned int offset);
125/* mouse.c */
126int __VGLMouseMode(int mode);
127void VGLMouseMode(int mode);
128void VGLMouseSetImage(VGLBitmap *AndMask, VGLBitmap *OrMask);
129void VGLMouseSetStdImage(void);
130int VGLMouseInit(int mode);
131void VGLMouseRestore(void);
132int VGLMouseStatus(int *x, int *y, char *buttons);
133void VGLMouseFreeze(void);
134int VGLMouseFreezeXY(int x, int y);
135void VGLMouseMerge(int x, int y, int width, byte *line);
136int VGLMouseOverlap(int x, int y, int width, int hight);
137void VGLMouseUnFreeze(void);
138/* simple.c */
139void VGLSetXY(VGLBitmap *object, int x, int y, u_long color);
140u_long VGLGetXY(VGLBitmap *object, int x, int y);
141void VGLLine(VGLBitmap *object, int x1, int y1, int x2, int y2, u_long color);
142void VGLBox(VGLBitmap *object, int x1, int y1, int x2, int y2, u_long color);
143void VGLFilledBox(VGLBitmap *object, int x1, int y1, int x2, int y2, u_long color);
144void VGLEllipse(VGLBitmap *object, int xc, int yc, int a, int b, u_long color);
145void VGLFilledEllipse(VGLBitmap *object, int xc, int yc, int a, int b, u_long color);
146void VGLClear(VGLBitmap *object, u_long color);
147u_long VGLrgb332ToNative(byte c);
148void VGLRestoreBlank(void);
149void VGLRestoreBorder(void);
150void VGLRestorePalette(void);
151void VGLSavePalette(void);
152void VGLSetPalette(byte *red, byte *green, byte *blue);
153void VGLSetPaletteIndex(byte color, byte red, byte green, byte blue);
154void VGLSetBorder(byte color);
155void VGLBlankDisplay(int blank);
156/* text.c */
157int VGLTextSetFontFile(char *filename);
158void VGLBitmapPutChar(VGLBitmap *Object, int x, int y, byte ch, u_long fgcol, u_long bgcol, int fill, int dir);
159void VGLBitmapString(VGLBitmap *Object, int x, int y, char *str, u_long fgcol, u_long bgcol, int fill, int dir);
160
161#endif /* !_VGL_H_ */
162