#ifndef OSDEPEND_H
#define OSDEPEND_H


struct osd_bitmap
{
	int width,height;	/* width and hegiht of the bitmap */
	void *_private;	/* don't touch! - reserved for osdepend use */
	unsigned char *line[0];	/* pointers to the start of each line */
};


#define OSD_KEY_ESC         1        /* keyboard scan codes */
#define OSD_KEY_1           2        /* (courtesy of allegro.h) */
#define OSD_KEY_2           3
#define OSD_KEY_3           4
#define OSD_KEY_4           5
#define OSD_KEY_5           6
#define OSD_KEY_6           7
#define OSD_KEY_7           8
#define OSD_KEY_8           9
#define OSD_KEY_9           10
#define OSD_KEY_0           11
#define OSD_KEY_MINUS       12
#define OSD_KEY_EQUALS      13
#define OSD_KEY_BACKSPACE   14
#define OSD_KEY_TAB         15
#define OSD_KEY_Q           16
#define OSD_KEY_W           17
#define OSD_KEY_E           18
#define OSD_KEY_R           19
#define OSD_KEY_T           20
#define OSD_KEY_Y           21
#define OSD_KEY_U           22
#define OSD_KEY_I           23
#define OSD_KEY_O           24
#define OSD_KEY_P           25
#define OSD_KEY_OPENBRACE   26
#define OSD_KEY_CLOSEBRACE  27
#define OSD_KEY_ENTER       28
#define OSD_KEY_CONTROL     29
#define OSD_KEY_A           30
#define OSD_KEY_S           31
#define OSD_KEY_D           32
#define OSD_KEY_F           33
#define OSD_KEY_G           34
#define OSD_KEY_H           35
#define OSD_KEY_J           36
#define OSD_KEY_K           37
#define OSD_KEY_L           38
#define OSD_KEY_COLON       39
#define OSD_KEY_QUOTE       40
#define OSD_KEY_TILDE       41
#define OSD_KEY_LSHIFT      42
#define OSD_KEY_Z           44
#define OSD_KEY_X           45
#define OSD_KEY_C           46
#define OSD_KEY_V           47
#define OSD_KEY_B           48
#define OSD_KEY_N           49
#define OSD_KEY_M           50
#define OSD_KEY_COMMA       51
#define OSD_KEY_STOP        52
#define OSD_KEY_SLASH       53
#define OSD_KEY_RSHIFT      54
#define OSD_KEY_ASTERISK    55
#define OSD_KEY_ALT         56
#define OSD_KEY_SPACE       57
#define OSD_KEY_CAPSLOCK    58
#define OSD_KEY_F1          59
#define OSD_KEY_F2          60
#define OSD_KEY_F3          61
#define OSD_KEY_F4          62
#define OSD_KEY_F5          63
#define OSD_KEY_F6          64
#define OSD_KEY_F7          65
#define OSD_KEY_F8          66
#define OSD_KEY_F9          67
#define OSD_KEY_F10         68
#define OSD_KEY_NUMLOCK     69
#define OSD_KEY_SCRLOCK     70
#define OSD_KEY_HOME        71
#define OSD_KEY_UP          72
#define OSD_KEY_PGUP        73
#define OSD_KEY_MINUS_PAD   74
#define OSD_KEY_LEFT        75
#define OSD_KEY_5_PAD       76
#define OSD_KEY_RIGHT       77
#define OSD_KEY_PLUS_PAD    78
#define OSD_KEY_END         79
#define OSD_KEY_DOWN        80
#define OSD_KEY_PGDN        81
#define OSD_KEY_INSERT      82
#define OSD_KEY_DEL         83
#define OSD_KEY_F11         87
#define OSD_KEY_F12         88
#define OSD_MAX_KEY         88


#define OSD_JOY_LEFT	1
#define OSD_JOY_RIGHT	2
#define OSD_JOY_UP		3
#define OSD_JOY_DOWN	4
#define OSD_JOY_FIRE1	5
#define OSD_JOY_FIRE2	6
#define OSD_JOY_FIRE3	7
#define OSD_JOY_FIRE4	8
#define OSD_JOY_FIRE	9	/* any of the fire buttons */
#define OSD_MAX_JOY     9

#define X_AXIS          1
#define Y_AXIS          2
#define NO_TRAK         1000000


extern int play_sound;
extern int video_sync;


int osd_init(int argc,char **argv);
void osd_exit(void);
struct osd_bitmap *osd_create_bitmap(int width,int height);
void osd_free_bitmap(struct osd_bitmap *bitmap);
struct osd_bitmap *osd_create_display(int width,int height);
void osd_close_display(void);
int osd_obtain_pen(unsigned char red, unsigned char green, unsigned char blue);
void osd_update_display(void);
void osd_update_audio(void);
void osd_play_sample(int channel,unsigned char *data,int len,int freq,int volume,int loop);
void osd_play_streamed_sample(int channel,unsigned char *data,int len,int freq,int volume);
void osd_adjust_sample(int channel,int freq,int volume);
void osd_stop_sample(int channel);
void osd_restart_sample(int channel);
int osd_get_sample_status(int channel);
void osd_ym2203_write(int n, int r, int v);
void osd_ym2203_update(void);
void osd_set_mastervolume(int volume);
int osd_key_pressed(int keycode);
int osd_read_key(void);
int osd_read_keyrepeat(void);
const char *osd_joy_name(int joycode);
const char *osd_key_name(int keycode);
void osd_poll_joystick(void);
int osd_joy_pressed(int joycode);

int osd_trak_read(int axis);
void osd_trak_center_x(void);
void osd_trak_center_y(void);

void open_page(int *x_res, int *y_res, int *portrait, int step);
void close_page(void);
void draw_to(int x, int y, int z, int col);

#endif