matrix.h File Reference

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Go to the source code of this file.

Classes
struct	MATRIX_COLUMN
struct	MATRIX

Macros
#define	GLYPH_REDRAW   0x8000
#define	GLYPH_BLANK   0x4000

Typedefs
typedef unsigned short	GLYPH

Functions
GLYPH	RandomGlyph (int intensity)
void	DrawGlyph (MATRIX *matrix, HDC hdc, int xpos, int ypos, GLYPH glyph)
HWND	CreateScreenSaveWnd (HWND hwndParent, RECT *rect)
void	InitScreenSaveClass ()

Macro Definition Documentation

GLYPH_BLANK

#define GLYPH_BLANK   0x4000

Definition at line 21 of file matrix.h.

GLYPH_REDRAW

#define GLYPH_REDRAW   0x8000

Definition at line 20 of file matrix.h.

Typedef Documentation

GLYPH

typedef unsigned short GLYPH

Definition at line 18 of file matrix.h.

Function Documentation

CreateScreenSaveWnd()

HWND CreateScreenSaveWnd	(	HWND	hwndParent,
		RECT *	rect
	)

Definition at line 390 of file matrix.c.

{
    DWORD dwStyle = hwndParent ? WS_CHILD : WS_POPUP;
 
#ifdef _DEBUG
    DWORD dwStyleEx = 0;
#else
    DWORD dwStyleEx = WS_EX_TOPMOST;
#endif
 
    if(hwndParent)
        GetClientRect(hwndParent, rect);
 
    return CreateWindowEx(  dwStyleEx,
                            APPNAME,
                            0,
                            WS_VISIBLE | dwStyle,
                            rect->left,
                            rect->top,
                            rect->right - rect->left,
                            rect->bottom - rect->top,
                            hwndParent,
                            0,
                            GetModuleHandle(0),
                            0
                        );
}

Referenced by MonitorEnumProc().

DrawGlyph()

void DrawGlyph	(	MATRIX *	matrix,
		HDC	hdc,
		int	xpos,
		int	ypos,
		GLYPH	glyph
	)

Definition at line 167 of file matrix.c.

{
    int intensity = GlyphIntensity(glyph);
    int glyphidx  = glyph & 0xff;
 
    BitBlt(hdc, xpos, ypos, GLYPH_WIDTH, GLYPH_HEIGHT, matrix->hdcBitmap,
        glyphidx * GLYPH_WIDTH, intensity * GLYPH_HEIGHT, SRCCOPY);
}

Referenced by DrawMatrixMessage(), and RedrawMatrixColumn().

InitScreenSaveClass()

void InitScreenSaveClass

(

)

Referenced by ScreenSaver().

RandomGlyph()

GLYPH RandomGlyph

(

int

intensity

)

Definition at line 45 of file matrix.c.

{
    return GLYPH_REDRAW | (intensity << 8) | (crc_rand() % NUM_GLYPHS);
}

Referenced by DrawMatrixMessage(), and ScrollMatrixColumn().