22   function add_link($x, $y, $w, $h, $target) {   argument
24                          $x, $y, $x+$w, $y-$h, $this->_string($target)));
29                          $left, $top, $left + $width, $top - $height, $anchor->page, $anchor->y));
32   function circle($x, $y, $r) {   argument
33     $this->moveto($x, $y);
34     $this->write(sprintf("%.2f %.2f %.2f 0 360 arc\n", $x, $y, $r));
50   function dash($x, $y) {   argument
51     $this->write(sprintf("[%.2f %.2f] 0 setdash\n", $x, $y));
117   function image($image, $x, $y, $scale) {  argument
122     $this->moveto($x, $y);
133   function image_scaled($image, $x, $y, $scale_x, $scale_y) {   argument
138     $this->moveto($x, $y);
149   function image_ry($image, $x, $y, $height, $bottom, $ox, $oy, $scale) {   argument
155                          $scale, $oy, $ox, $bottom, $height, $y, $x,
163   function image_rx($image, $x, $y, $width, $right, $ox, $oy, $scale) {   argument
169                          $scale, $oy, $ox, $right, $width, $y, $x,
177   function image_rx_ry($image, $x, $y, $width, $height, $right, $bottom, $ox, $oy, $scale) {   argument
183                          $scale, $oy, $ox, $bottom, $right, $height, $width, $y, $x,
191   function lineto($x, $y) {   argument
192     $data = sprintf("%.2f %.2f lineto\n", $x, $y);
196   function moveto($x, $y) {   argument
197     $data = sprintf("%.2f %.2f moveto\n", $x, $y);
278   function show_xy($text, $x, $y) {  argument
280       $this->moveto($x, $y);
285     if ($this->overline)    { $this->_show_overline($x, $y, $width, $this->fontsize);  };
286     if ($this->underline)   { $this->_show_underline($x, $y, $width, $this->fontsize); };
287     if ($this->linethrough) { $this->_show_linethrough($x, $y, $width, $this->fontsize); };
318   function _show_line($x, $y, $width, $height, $up, $ut) {  argument
320     $this->moveto($x, $y + $up);
321     $this->lineto($x+$width, $y + $up);
325   function _show_underline($x, $y, $width, $height) {  argument
329     $this->_show_line($x, $y, $width, $height, $up, $ut);
332   function _show_overline($x, $y, $width, $height) {  argument
336     $this->_show_line($x, $y, $width, $height, $up, $ut);
339   function _show_linethrough($x, $y, $width, $height) {  argument
343     $this->_show_line($x, $y, $width, $height, $up, $ut);