public static extern void uiDrawText(uiDrawContextPtr *c, double x, double y, uiDrawTextLayout *layout);
public static extern void uiDrawTextLayoutSetColor(uiDrawTextLayout *layout, int startChar, int endChar, double r, double g, double b, double a);
public static extern void uiDrawTextLayoutSetWidth(uiDrawTextLayout *layout, double width);
public static extern void uiDrawTextLayoutExtents(uiDrawTextLayout *layout, double *width, double *height);
public static extern void uiDrawFreeTextLayout(uiDrawTextLayout *layout);