PHP Frame::get_text_spacing方法代码示例

 function render(Frame $frame)
 {
     $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"]);
     $text = $frame->get_text();
     $font = $style->font_family;
     $size = $style->font_size;
     $height = $style->height;
     $spacing = $frame->get_text_spacing() + $style->word_spacing;
     if (preg_replace("/[\\s]+/", "", $text) == "") {
         return;
     }
     $this->_canvas->text($x, $y, $text, $font, $size, $style->color, $spacing);
     // 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[] = $p;
     }
     while (count($stack) > 0) {
         $f = array_pop($stack);
         $deco_y = $y;
         if (($text_deco = $f->get_style()->text_decoration) === "none") {
             continue;
         }
         $color = $f->get_style()->color;
         switch ($text_deco) {
             default:
                 continue;
             case "underline":
                 $deco_y += $height * (1 + self::UNDERLINE_OFFSET);
                 break;
             case "overline":
                 $deco_y += $height * self::OVERLINE_OFFSET;
                 break;
             case "line-through":
                 $deco_y -= $height * (0.25 + self::LINETHROUGH_OFFSET);
                 break;
         }
         $dx = 0;
         $x1 = $x - self::DECO_EXTENSION;
         $x2 = $x + $style->width + $dx + self::DECO_EXTENSION;
         $this->_canvas->line($x1, $deco_y, $x2, $deco_y, $color, 0.5);
     }
 }

 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 / $style->line_height);
     }
     if (method_exists($this->_canvas, "get_cpdf")) {
         $cpdf = $this->_canvas->get_cpdf();
         // $cpdf_font = $cpdf->fonts[$style->font_family];
         // $base = ($cpdf_font["UnderlinePosition"]*$size)/1000;
         // $descent = (($cpdf_font["Ascender"]-$cpdf_font["Descender"])*$size)/1000;
         $fontBBox = $cpdf->fonts[$style->font_family]['FontBBox'];
         $base = $fontBBox[3] * $size / 1000 * 0.9;
         $descent = $fontBBox[1] * $size / 1000;
         // print '<pre>Text_Renderer cpdf:'.$base.' '.$descent.' '.$size.'</pre>';
     } else {
         // Descent is font part below baseline, typically negative. $height is about full height of font box.
         // $descent = -$size/6; is less accurate, depends on font family.
         // @todo Could we get font info for PDFlib adapter and others ?
         $base = $size * 1.08;
         $descent = $size - $height;
         // print '<pre>Text_Renderer other than cpdf:'.$base.' '.$descent.' '.$size.'</pre>';
     }
     // 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 + $size * (self::UNDERLINE_OFFSET - self::DECO_THICKNESS / 2);
                 break;
             case "overline":
                 $deco_y += $size * (self::OVERLINE_OFFSET + self::DECO_THICKNESS / 2);
                 break;
             case "line-through":
                 $deco_y += $base * 0.7 + $size * self::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, $size * self::DECO_THICKNESS);
     }
     if (DEBUG_LAYOUT && DEBUG_LAYOUT_LINES) {
         $text_width = Font_Metrics::get_text_width($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));
     }
 }

 /**
  * @param Text_Frame_Decorator $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_Adapter) {
         $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 (DEBUG_LAYOUT && DEBUG_LAYOUT_LINES) {
         $text_width = Font_Metrics::get_text_width($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));
     }
 }

 function render(Frame $frame)
 {
     $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"]);
     $text = $frame->get_text();
     $font = $style->font_family;
     $size = $style->font_size;
     $height = $style->height;
     $spacing = $frame->get_text_spacing() + $style->word_spacing;
     //     if ( preg_replace("/[\s]+/", "", $text) == "" )
     //       return;
     $this->_canvas->text($x, $y, $text, $font, $size, $style->color, $spacing);
     if (method_exists($this->_canvas, "get_cpdf")) {
         $base = $this->_canvas->get_cpdf()->fonts[$this->_canvas->get_cpdf()->currentFont]['FontBBox'][3] * $size / 1000;
         $descent = $this->_canvas->get_cpdf()->fonts[$this->_canvas->get_cpdf()->currentFont]['FontBBox'][1] * $size / 1000;
         //print '<pre>Text_Renderer cpdf:'.$base.' '.$descent.' '.$size.'</pre>';
     } else {
         //Descent is font part below baseline, typically negative. $height is about full height of font box.
         //$descent = -$size/6; is less accurate, depends on font family.
         $base = $size;
         $descent = $size - $height;
         //print '<pre>Text_Renderer other than cpdf:'.$base.' '.$descent.' '.$size.'</pre>';
     }
     // 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[] = $p;
     }
     while (count($stack) > 0) {
         $f = array_pop($stack);
         $deco_y = $y;
         if (($text_deco = $f->get_style()->text_decoration) === "none") {
             continue;
         }
         $color = $f->get_style()->color;
         switch ($text_deco) {
             default:
                 continue;
             case "underline":
                 $deco_y += $base - $descent + $size * (self::UNDERLINE_OFFSET - self::DECO_THICKNESS / 2);
                 break;
             case "overline":
                 $deco_y += $size * (self::OVERLINE_OFFSET + self::DECO_THICKNESS / 2);
                 break;
             case "line-through":
                 $deco_y += $base * 0.7 + $size * self::LINETHROUGH_OFFSET;
                 break;
         }
         $dx = 0;
         $x1 = $x - self::DECO_EXTENSION;
         $x2 = $x + $style->width + $dx + self::DECO_EXTENSION;
         $this->_canvas->line($x1, $deco_y, $x2, $deco_y, $color, $size * self::DECO_THICKNESS);
     }
 }

 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;
     $this->_canvas->text($x, $y, $text, $font, $size, $style->color, $word_spacing, $char_spacing);
     $line = $frame->get_containing_line();
     if (false && $line->tallest_frame) {
         $base_frame = $line->tallest_frame;
         $style = $base_frame->get_style();
         $size = $style->font_size;
         $height = $line->h * ($size / $style->line_height);
     }
     if (method_exists($this->_canvas, "get_cpdf")) {
         $cpdf = $this->_canvas->get_cpdf();
         $fontBBox = $cpdf->fonts[$style->font_family]['FontBBox'];
         $base = $fontBBox[3] * $size / 1000 * 0.9;
         $descent = $fontBBox[1] * $size / 1000;
     } else {
         $base = $size * 1.08;
         $descent = $size - $height;
     }
     $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;
         $color = $f->get_style()->color;
         switch ($text_deco) {
             default:
                 continue;
             case "underline":
                 $deco_y += $base - $descent + $size * (self::UNDERLINE_OFFSET - self::DECO_THICKNESS / 2);
                 break;
             case "overline":
                 $deco_y += $size * (self::OVERLINE_OFFSET + self::DECO_THICKNESS / 2);
                 break;
             case "line-through":
                 $deco_y += $base * 0.7 + $size * self::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, $size * self::DECO_THICKNESS);
     }
     if (DEBUG_LAYOUT && DEBUG_LAYOUT_LINES) {
         $text_width = Font_Metrics::get_text_width($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));
     }
 }