void SystemDraw::DrawLineOp(int x1, int y1, int x2, int y2, int width, Color color)
{
	if(IsNull(width) || IsNull(color))
		return;
	if(width == 0)
		width = 1;
	FlushText();
	SetColor(color);
	if(width == PEN_SOLID)
		width = 1;
	if(y1 == y2 && width >= 0)
		DrawRect(x1, y1-width/2, x2 - x1, width, color);	// DrawRect(x1, y1, x2 - x1, width, color);
	else
	if(x1 == x2 && width >= 0)
		DrawRect(x1-width/2, y1, width, y2 - y1, color);	// DrawRect(x1, y1, width, y2 - y1, color);
	else {
		int w = width < 0 ? 1 : width;
		double d = w / 2.0;
		if(y1 == y2) {
			cairo_move_to(cr, min(x1, x2) + 0.5, y1 + d);	// cairo_move_to(cr, min(x1, x1) + 0.5, y1 + d);
			cairo_line_to(cr, max(x1, x2) - 0.5, y1 + d);
		}
		else
		if(x1 == x2) {
			cairo_move_to(cr, x1 + d, min(y1, y2) + 0.5);
			cairo_line_to(cr, x1 + d, max(y1, y2) - 0.5);
		}
		else {
			cairo_move_to(cr, x1, y1);
			cairo_line_to(cr, x2, y2);
		}
		sDrawLineStroke(cr, width);
	}
}