Fonts.... Again

  
class CFont  
{
public:
	void Write(float x, float y, char* text, ...);
	void DestroyFont();
	void CreateBMFont(HDC& hdc, char* FontName, int size, int weight, DWORD Italic, DWORD Underline, DWORD Strikeout);
	CFont();
	virtual ~CFont();

private:
	UINT FontInd;
};


void CFont::CreateBMFont(HDC& hdc, char* FontName, int size, int weight, DWORD Italic, DWORD Underline, DWORD Strikeout)
{
	HFONT hFont;					//Font handle

	HFONT hOldFont;					//Apparently for good house keeping


	FontInd = glGenLists(256);		//Generate font lists


	hFont = CreateFont(	size,			//Set up font

						0,
						0,
						0,
						weight,
						Italic,
						Underline,
						Strikeout,
						ANSI_CHARSET,
						OUT_TT_PRECIS,
						CLIP_DEFAULT_PRECIS,
						ANTIALIASED_QUALITY,
						FF_DONTCARE|DEFAULT_PITCH,
						FontName
					  );

	hOldFont = (HFONT)SelectObject(hdc, hFont);		// Selects The Font We Want

	wglUseFontBitmaps(hdc, 32, 96, FontInd);			// Builds 96 Characters Starting At Character 32

	SelectObject(hdc, hOldFont);					// Selects The Font We Want

	DeleteObject(hFont);							// Delete The Font


}

void CFont::DestroyFont()
{
	glDeleteLists(FontInd, 96);						//Delete the 96 chars in the dis lists.

}

void CFont::Write(float x, float y, char* text, ...)
{
	if(text == NULL)					//If there''s no text then return

		return;

	va_list pargs;						//Argument list pointer

	char string[256];					//Final output string


	glRasterPos2f(x,y);					//Position text (in 2D) with users x,y coord''s


	va_start(pargs, text);							// Parses The String For Variables

	    vsprintf(string, text, pargs);				// And Converts Symbols To Actual Numbers

	va_end(pargs);									// Results Are Stored In Text


	glPushAttrib(GL_LIST_BIT);						// Pushes The Display List Bits	

	glListBase(FontInd - 32);						// Sets The Base Character to 32


	glCallLists(strlen(string), GL_UNSIGNED_BYTE, string);		// Draws The Display List Text

	glPopAttrib();												// Pops The Display List Bits


}