xref: /freebsd/lib/libvgl/vgl.h (revision e430d1ed78d021db4e9760d9800393b627156745)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1991-1997 Søren 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  * $FreeBSD$
31  */
32 
33 #ifndef _VGL_H_
34 #define _VGL_H_
35 
36 #include <stdlib.h>
37 #include <unistd.h>
38 #include <string.h>
39 #include <machine/cpufunc.h>
40 
41 typedef unsigned char byte;
42 typedef struct {
43   byte 	Type;
44   int  	Xsize, Ysize;
45   int  	VXsize, VYsize;
46   int   Xorigin, Yorigin;
47   byte 	*Bitmap;
48   int	PixelBytes;
49 } VGLBitmap;
50 
51 #define VGLBITMAP_INITIALIZER(t, x, y, bits)	\
52 	{ (t), (x), (y), (x), (y), 0, 0, (bits), -1 }
53 
54 /*
55  * Defined Type's
56  */
57 #define MEMBUF		0
58 #define VIDBUF4		1
59 #define VIDBUF8		2
60 #define VIDBUF8X	3
61 #define VIDBUF8S	4
62 #define VIDBUF4S	5
63 #define VIDBUF16	6		/* Direct Color linear buffer */
64 #define VIDBUF24	7		/* Direct Color linear buffer */
65 #define VIDBUF32	8		/* Direct Color linear buffer */
66 #define VIDBUF16S	9		/* Direct Color segmented buffer */
67 #define VIDBUF24S	10		/* Direct Color segmented buffer */
68 #define VIDBUF32S	11		/* Direct Color segmented buffer */
69 #define NOBUF		255
70 
71 typedef struct VGLText {
72   byte	Width, Height;
73   byte	*BitmapArray;
74 } VGLText;
75 
76 typedef struct VGLObject {
77   int	  	Id;
78   int	  	Type;
79   int	  	Status;
80   int	  	Xpos, Ypos;
81   int	  	Xhot, Yhot;
82   VGLBitmap 	*Image;
83   VGLBitmap 	*Mask;
84   int		(*CallBackFunction)();
85 } VGLObject;
86 
87 #define MOUSE_IMG_SIZE		16
88 #define VGL_MOUSEHIDE		0
89 #define VGL_MOUSESHOW		1
90 #define VGL_MOUSEFREEZE		0
91 #define VGL_MOUSEUNFREEZE	1
92 #define VGL_DIR_RIGHT		0
93 #define VGL_DIR_UP		1
94 #define VGL_DIR_LEFT		2
95 #define VGL_DIR_DOWN		3
96 #define VGL_RAWKEYS		1
97 #define VGL_CODEKEYS		2
98 #define VGL_XLATEKEYS		3
99 
100 extern video_adapter_info_t	VGLAdpInfo;
101 extern video_info_t		VGLModeInfo;
102 extern VGLBitmap 		*VGLDisplay;
103 extern VGLBitmap 		VGLVDisplay;
104 extern byte 			*VGLBuf;
105 
106 /*
107  * Prototypes
108  */
109 /* bitmap.c */
110 int __VGLBitmapCopy(VGLBitmap *src, int srcx, int srcy, VGLBitmap *dst, int dstx, int dsty, int width, int hight);
111 int VGLBitmapCopy(VGLBitmap *src, int srcx, int srcy, VGLBitmap *dst, int dstx, int dsty, int width, int hight);
112 VGLBitmap *VGLBitmapCreate(int type, int xsize, int ysize, byte *bits);
113 void VGLBitmapDestroy(VGLBitmap *object);
114 int VGLBitmapAllocateBits(VGLBitmap *object);
115 void VGLBitmapCvt(VGLBitmap *src, VGLBitmap *dst);
116 /* keyboard.c */
117 int VGLKeyboardInit(int mode);
118 void VGLKeyboardEnd(void);
119 int VGLKeyboardGetCh(void);
120 /* main.c */
121 void VGLEnd(void);
122 int VGLInit(int mode);
123 void VGLCheckSwitch(void);
124 int VGLSetVScreenSize(VGLBitmap *object, int VXsize, int VYsize);
125 int VGLPanScreen(VGLBitmap *object, int x, int y);
126 int VGLSetSegment(unsigned int offset);
127 /* mouse.c */
128 void VGLMousePointerShow(void);
129 void VGLMousePointerHide(void);
130 void VGLMouseMode(int mode);
131 void VGLMouseAction(int dummy);
132 void VGLMouseSetImage(VGLBitmap *AndMask, VGLBitmap *OrMask);
133 void VGLMouseSetStdImage(void);
134 int VGLMouseInit(int mode);
135 void VGLMouseRestore(void);
136 int VGLMouseStatus(int *x, int *y, char *buttons);
137 void VGLMouseFreeze(void);
138 int VGLMouseFreezeXY(int x, int y);
139 void VGLMouseMerge(int x, int y, int width, byte *line);
140 int VGLMouseOverlap(int x, int y, int width, int hight);
141 void VGLMouseUnFreeze(void);
142 /* simple.c */
143 void VGLSetXY(VGLBitmap *object, int x, int y, u_long color);
144 u_long VGLGetXY(VGLBitmap *object, int x, int y);
145 void VGLLine(VGLBitmap *object, int x1, int y1, int x2, int y2, u_long color);
146 void VGLBox(VGLBitmap *object, int x1, int y1, int x2, int y2, u_long color);
147 void VGLFilledBox(VGLBitmap *object, int x1, int y1, int x2, int y2, u_long color);
148 void VGLEllipse(VGLBitmap *object, int xc, int yc, int a, int b, u_long color);
149 void VGLFilledEllipse(VGLBitmap *object, int xc, int yc, int a, int b, u_long color);
150 void VGLClear(VGLBitmap *object, u_long color);
151 u_long VGLrgb332ToNative(byte c);
152 void VGLRestoreBlank(void);
153 void VGLRestoreBorder(void);
154 void VGLRestorePalette(void);
155 void VGLSavePalette(void);
156 void VGLSetPalette(byte *red, byte *green, byte *blue);
157 void VGLSetPaletteIndex(byte color, byte red, byte green, byte blue);
158 void VGLSetBorder(byte color);
159 void VGLBlankDisplay(int blank);
160 /* text.c */
161 int VGLTextSetFontFile(char *filename);
162 void VGLBitmapPutChar(VGLBitmap *Object, int x, int y, byte ch, u_long fgcol, u_long bgcol, int fill, int dir);
163 void VGLBitmapString(VGLBitmap *Object, int x, int y, char *str, u_long fgcol, u_long bgcol, int fill, int dir);
164 
165 #endif /* !_VGL_H_ */
166