func (f FontRef) GlyphDraw(char rune, origin CG.Point, alpha *image.Alpha) bool {
	return bool(C.CTFontGlyphDraw__(
		C.CTFontRef(unsafe.Pointer(f)),
		C.UTF32Char(char),
		makeCGPoint(origin),
		(*C.UInt8)(unsafe.Pointer(&alpha.Pix[0])),
		C.size_t(alpha.Stride),
		C.size_t(alpha.Rect.Dx()),
		C.size_t(alpha.Rect.Dy()),
	))
}
// FontGlyphDraw draws the font glyph representing the rune given as second
// argument into the alpha image at the specified position.
// The function returns true if the rune could be drawn, false otherwise, which
// measn the font had no representation of the rune.
FontGlyphDraw draws the font glyph representing the rune given as second
argument into the alpha image at the specified position.
The function returns true if the rune could be drawn, false otherwise, which
measn the font had no representation of the rune.
// FontGlyphDraw draws the font glyph representing the rune given as second // argument into the alpha image at the specified position . // The function returns true if the rune could be drawn false otherwise which // measn the font had no representation of the rune .
func (f FontRef) GlyphDraw(char rune, origin CG.Point, alpha *image.Alpha) bool {
	return bool(C.CTFontGlyphDraw__(
		C.CTFontRef(unsafe.Pointer(f)),
		C.UTF32Char(char),
		makeCGPoint(origin),
		(*C.UInt8)(unsafe.Pointer(&alpha.Pix[0])),
		C.size_t(alpha.Stride),
		C.size_t(alpha.Rect.Dx()),
		C.size_t(alpha.Rect.Dy()),
	))
}
func ( f FontRef ) GlyphDraw ( char rune , origin CG . Point , alpha * image . Alpha ) bool { return bool ( C . CTFontGlyphDraw__ ( C . CTFontRef ( unsafe . Pointer ( f ) ) , C . UTF32Char ( char ) , makeCGPoint ( origin ) , ( * C . UInt8 ) ( unsafe . Pointer ( & alpha . Pix [ 0 ] ) ) , C . size_t ( alpha . Stride ) , C . size_t ( alpha . Rect . Dx ( ) ) , C . size_t ( alpha . Rect . Dy ( ) ) , ) ) }
FontGlyphDraw draws the font glyph representing the rune given as second
argument into the alpha image at the specified position.
FontGlyphDraw draws the font glyph representing the rune given as second argument into the alpha image at the specified position .