void pdf_show_boxed(int pdf document, string text, double x-coor, double y-coor, double width, double height, string mode);The PDF_show_boxed() function outputs the string text in a box with its lower left position at (x-coor, y-coor). The boxes dimension is height by width. The parameter mode determines how the text is type seet. If width and height are zero, the mode can be "left", "right" or "center". If width or height is unequal zero it can also be "justify" or "fulljustify".
See also PDF_show(), PDF_show_xy().