Example #1
0
 /**
  * @param \Dompdf\FrameDecorator\Text $frame
  */
 function render(Frame $frame)
 {
     $text = $frame->get_text();
     if (trim($text) === "") {
         return;
     }
     $style = $frame->get_style();
     list($x, $y) = $frame->get_position();
     $cb = $frame->get_containing_block();
     if (($ml = $style->margin_left) === "auto" || $ml === "none") {
         $ml = 0;
     }
     if (($pl = $style->padding_left) === "auto" || $pl === "none") {
         $pl = 0;
     }
     if (($bl = $style->border_left_width) === "auto" || $bl === "none") {
         $bl = 0;
     }
     $x += $style->length_in_pt(array($ml, $pl, $bl), $cb["w"]);
     $font = $style->font_family;
     $size = $frame_font_size = $style->font_size;
     $height = $style->height;
     $word_spacing = $frame->get_text_spacing() + $style->length_in_pt($style->word_spacing);
     $char_spacing = $style->length_in_pt($style->letter_spacing);
     $width = $style->width;
     /*$text = str_replace(
         array("{PAGE_NUM}"),
         array($this->_canvas->get_page_number()),
         $text
       );*/
     $this->_canvas->text($x, $y, $text, $font, $size, $style->color, $word_spacing, $char_spacing);
     $line = $frame->get_containing_line();
     // FIXME Instead of using the tallest frame to position,
     // the decoration, the text should be well placed
     if (false && $line->tallest_frame) {
         $base_frame = $line->tallest_frame;
         $style = $base_frame->get_style();
         $size = $style->font_size;
         $height = $line->h * ($size / $style->line_height);
     }
     $line_thickness = $size * self::DECO_THICKNESS;
     $underline_offset = $size * self::UNDERLINE_OFFSET;
     $overline_offset = $size * self::OVERLINE_OFFSET;
     $linethrough_offset = $size * self::LINETHROUGH_OFFSET;
     $underline_position = -0.08;
     if ($this->_canvas instanceof CPDF) {
         $cpdf_font = $this->_canvas->get_cpdf()->fonts[$style->font_family];
         if (isset($cpdf_font["UnderlinePosition"])) {
             $underline_position = $cpdf_font["UnderlinePosition"] / 1000;
         }
         if (isset($cpdf_font["UnderlineThickness"])) {
             $line_thickness = $size * ($cpdf_font["UnderlineThickness"] / 1000);
         }
     }
     $descent = $size * $underline_position;
     $base = $size;
     // Handle text decoration:
     // http://www.w3.org/TR/CSS21/text.html#propdef-text-decoration
     // Draw all applicable text-decorations.  Start with the root and work our way down.
     $p = $frame;
     $stack = array();
     while ($p = $p->get_parent()) {
         $stack[] = $p;
     }
     while (isset($stack[0])) {
         $f = array_pop($stack);
         if (($text_deco = $f->get_style()->text_decoration) === "none") {
             continue;
         }
         $deco_y = $y;
         //$line->y;
         $color = $f->get_style()->color;
         switch ($text_deco) {
             default:
                 continue;
             case "underline":
                 $deco_y += $base - $descent + $underline_offset + $line_thickness / 2;
                 break;
             case "overline":
                 $deco_y += $overline_offset + $line_thickness / 2;
                 break;
             case "line-through":
                 $deco_y += $base * 0.7 + $linethrough_offset;
                 break;
         }
         $dx = 0;
         $x1 = $x - self::DECO_EXTENSION;
         $x2 = $x + $width + $dx + self::DECO_EXTENSION;
         $this->_canvas->line($x1, $deco_y, $x2, $deco_y, $color, $line_thickness);
     }
     if ($this->_dompdf->getOptions()->getDebugLayout() && $this->_dompdf->getOptions()->getDebugLayoutLines()) {
         $text_width = $this->_dompdf->getFontMetrics()->getTextWidth($text, $font, $frame_font_size);
         $this->_debug_layout(array($x, $y, $text_width + ($line->wc - 1) * $word_spacing, $frame_font_size), "orange", array(0.5, 0.5));
     }
 }