* an fo:block-container
*/
gen.writeln("newpath");
gen.defineRect(xOffset / 1000f, yOffset / 1000f,
psInfo.getWidth() / 1000f, psInfo.getHeight() / 1000f);
gen.writeln("clip");
// transform so that the coordinates (0,0) is from the top left
// and positive is down and to the right. (0,0) is where the
// viewBox puts it.
gen.concatMatrix(sx, 0, 0, sy, xOffset / 1000f, yOffset / 1000f);