globals.h

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#ifndef GLOBALS_INCLUDED
#define GLOBALS_INCLUDED
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define APPNAME _T("MATRIX ScreenSaver 2.0")
 
#define DENSITY         24
#define DENSITY_MAX     50
#define DENSITY_MIN     5
 
// constants inferred from matrix.bmp
#define MAX_INTENSITY   5           // number of intensity levels
#define NUM_GLYPHS      26          // number of "glyphs" in each level
#define GLYPH_WIDTH     14          // width  of each glyph (pixels)
#define GLYPH_HEIGHT    14          // height of each glyph (pixels)
 
#define SPEED_MAX       10
#define SPEED_MIN       1
 
#define MAXMSG_WIDTH    0x100
#define MAXMSG_HEIGHT   0x100
#define MAXMSG_LENGTH   64
 
#define MSGSPEED_MAX    500
#define MSGSPEED_MIN    50
 
#define MAX_MESSAGES    16
 
#define FONT_MIN    8
#define FONT_MAX    30
 
extern TCHAR    g_szMessages[MAX_MESSAGES][MAXMSG_LENGTH];
extern int      g_nFontSize;
extern TCHAR    g_szFontName[];
extern BOOL     g_fFontBold;
extern int      g_nNumMessages;
extern int      g_nCurrentMessage;
extern int      g_nMessageSpeed;
extern int      g_nMatrixSpeed;
extern int      g_nDensity;
extern BOOL     g_fRandomizeMessages;
extern HFONT    g_hFont;
extern BOOL     g_fScreenSaving;
 
void LoadSettings();
void SaveSettings();
 
BOOL ChangePassword(HWND hwnd);
BOOL VerifyPassword(HWND hwnd);
 
BOOL Configure(HWND hwndParent);
BOOL ScreenSaver(HWND hwndParent);
 
int crc_rand();
 
#ifdef __cplusplus
}
#endif
 
#endif