builtin drawText(x, y, size, colorTop, colorBot, fmt, ...);

// drawNgon(fill, stroke, n, angle=0)
builtin drawNgon(fill, stroke, n, ...);

// setMTX(dst)
// setMTX(dst, src)
// setMTX(dst, src, dx, dy)
// setMTX(dst, src, SS, dx, dy)
// setMTX(dst, src, xx, yy, dx, dy)
// setMTX(dst, src, xx, xy, yx, yy, dx, dy)
builtin setMTX(dst, ...);
var const MTX_LOADIMM = 0;
var const MTX_NEW = 0;

// drawRect(fill, x0, y0, x1, y1)
// drawRect(fill, stroke, x0, y0, x1, y1, resetMtx=true)
builtin drawRect(fill, x0, y0, x1, y1, ...);
var const FILL_NONE = 0;
var const STROKE_NONE = 0;

builtin setLineWidth(lw);