static void doDraw(SkCanvas *canvas, const SkFont &font, SkPaint *paint, const int isrc[], const int idst[], int count)
static void Draw(SkCanvas *, const void *text, size_t size, SkTextEncoding, SkScalar x, SkScalar y, const SkFont &, const SkPaint &, Align=kLeft_Align)