void PrintChar( int x, int y, char Character, BOOL bTransparent, 						D3DCOLOR ColorKey, DWORD* pDestData, int DestPitch ){	HRESULT r = 0;		div_t Result;	// Holds the result of divisions	// The offset into the alphabet image	int OffsetX = 0, OffsetY = 0;	POINT LetterDestPoint = { 0, 0 };	// The destination point for the letter	RECT LetterRect = { 0, 0, 0, 0 };	// The source rectangle for the letter	// If the alphabet has not been loaded yet then exit	if( !g_bAlphabetLoaded )		return;	// The characters are specified in ASCII code, which begins at 32 so	// we want to decrement this value by 32 to make it zero based	Character -= 32;	// Divide the character code by the number of letters per row.	// The quotient will help get the vertical offset and the	// remainder will help get the horizontal offset	Result = div( Character, g_AlphabetLettersPerRow );	// Get the horizontal offset by multiplying the remainder	// by the width of the Letter	OffsetX = Result.rem * g_AlphabetLetterWidth;	// Get the vertical offset by multiplying the quotient	// by the height of the letter	OffsetY = Result.quot * g_AlphabetLetterHeight;	// Fill in the source rectangle with the computed offsets	SetRect( &LetterRect, OffsetX, OffsetY, 	OffsetX + g_AlphabetLetterWidth, OffsetY + g_AlphabetLetterHeight );		// Fill in the destination point	LetterDestPoint.x = x;	LetterDestPoint.y = y;		D3DLOCKED_RECT LockedAlphabet;	// Holds info about the alphabet surface	// Lock the source surface	r = g_pAlphabetSurface->LockRect( &LockedAlphabet, 0, D3DLOCK_READONLY  );	if( FAILED( r ) )	{		SetError( "Couldnt lock alphabet surface for PrintChar()" );		return;	}		// Get a DWORD pointer to each surface	DWORD* pAlphaData = (DWORD*)LockedAlphabet.pBits;	// Convert the BYTE pitch pointer to a DWORD ptr	LockedAlphabet.Pitch /=4;	DestPitch /= 4;	// Compute the offset into the alphabet	int AlphaOffset = OffsetY * LockedAlphabet.Pitch + OffsetX;	// Compute the offset into the destination surface	int DestOffset = y * DestPitch + x;	// Loop for each row in the letter	for( int cy = 0 ; cy < g_AlphabetLetterHeight ; cy++ )	{		// Loop for each column in the letter		for( int cx = 0 ; cx < g_AlphabetLetterWidth ; cx++ )		{			if( bTransparent )			{				// If this alphabet pixel is not transparent				if( pAlphaData[ AlphaOffset ] != ColorKey )				{					// Then coy the pixel to the destination					pDestData[ DestOffset ] = pAlphaData[ AlphaOffset ];				}				// Increment the offsets to the next pixel			}			else			{				pDestData[ DestOffset ] = pAlphaData[ AlphaOffset ];			}			AlphaOffset++;			DestOffset++;		}		// Move the offsets to the start of the next row		DestOffset += DestPitch - g_AlphabetLetterWidth;		AlphaOffset += LockedAlphabet.Pitch - g_AlphabetLetterWidth;	}		// Unlock the surface	g_pAlphabetSurface->UnlockRect();	}