/**
  * @return AbstractFrameDecorator
  */
 function get_parent()
 {
     $p = $this->_frame->get_parent();
     if ($p && ($deco = $p->get_decorator())) {
         while ($tmp = $deco->get_decorator()) {
             $deco = $tmp;
         }
         return $deco;
     } else {
         if ($p) {
             return $p;
         }
     }
     return null;
 }
 /**
  * @return AbstractFrameDecorator
  */
 function get_parent()
 {
     if ($this->_cached_parent) {
         return $this->_cached_parent;
     }
     $p = $this->_frame->get_parent();
     if ($p && ($deco = $p->get_decorator())) {
         while ($tmp = $deco->get_decorator()) {
             $deco = $tmp;
         }
         return $this->_cached_parent = $deco;
     } else {
         return $this->_cached_parent = $p;
     }
 }
Exemple #3
0
 function render(Frame $frame)
 {
     $style = $frame->get_style();
     if (!$frame->get_first_child()) {
         return;
     }
     // No children, no service
     // Draw the left border if applicable
     $bp = $style->get_border_properties();
     $widths = array($style->length_in_pt($bp["top"]["width"]), $style->length_in_pt($bp["right"]["width"]), $style->length_in_pt($bp["bottom"]["width"]), $style->length_in_pt($bp["left"]["width"]));
     // Draw the background & border behind each child.  To do this we need
     // to figure out just how much space each child takes:
     list($x, $y) = $frame->get_first_child()->get_position();
     $w = null;
     $h = 0;
     //     $x += $widths[3];
     //     $y += $widths[0];
     $this->_set_opacity($frame->get_opacity($style->opacity));
     $first_row = true;
     foreach ($frame->get_children() as $child) {
         list($child_x, $child_y, $child_w, $child_h) = $child->get_padding_box();
         if (!is_null($w) && $child_x < $x + $w) {
             //This branch seems to be supposed to being called on the first part
             //of an inline html element, and the part after the if clause for the
             //parts after a line break.
             //But because $w initially mostly is 0, and gets updated only on the next
             //round, this seem to be never executed and the common close always.
             // The next child is on another line.  Draw the background &
             // borders on this line.
             // Background:
             if (($bg = $style->background_color) !== "transparent") {
                 $this->_canvas->filled_rectangle($x, $y, $w, $h, $bg);
             }
             if (($url = $style->background_image) && $url !== "none") {
                 $this->_background_image($url, $x, $y, $w, $h, $style);
             }
             // If this is the first row, draw the left border
             if ($first_row) {
                 if ($bp["left"]["style"] !== "none" && $bp["left"]["color"] !== "transparent" && $bp["left"]["width"] > 0) {
                     $method = "_border_" . $bp["left"]["style"];
                     $this->{$method}($x, $y, $h + $widths[0] + $widths[2], $bp["left"]["color"], $widths, "left");
                 }
                 $first_row = false;
             }
             // Draw the top & bottom borders
             if ($bp["top"]["style"] !== "none" && $bp["top"]["color"] !== "transparent" && $bp["top"]["width"] > 0) {
                 $method = "_border_" . $bp["top"]["style"];
                 $this->{$method}($x, $y, $w + $widths[1] + $widths[3], $bp["top"]["color"], $widths, "top");
             }
             if ($bp["bottom"]["style"] !== "none" && $bp["bottom"]["color"] !== "transparent" && $bp["bottom"]["width"] > 0) {
                 $method = "_border_" . $bp["bottom"]["style"];
                 $this->{$method}($x, $y + $h + $widths[0] + $widths[2], $w + $widths[1] + $widths[3], $bp["bottom"]["color"], $widths, "bottom");
             }
             // Handle anchors & links
             $link_node = null;
             if ($frame->get_node()->nodeName === "a") {
                 $link_node = $frame->get_node();
             } else {
                 if ($frame->get_parent()->get_node()->nodeName === "a") {
                     $link_node = $frame->get_parent()->get_node();
                 }
             }
             if ($link_node && ($href = $link_node->getAttribute("href"))) {
                 $href = Helpers::build_url($this->_dompdf->getProtocol(), $this->_dompdf->getBaseHost(), $this->_dompdf->getBasePath(), $href);
                 $this->_canvas->add_link($href, $x, $y, $w, $h);
             }
             $x = $child_x;
             $y = $child_y;
             $w = $child_w;
             $h = $child_h;
             continue;
         }
         if (is_null($w)) {
             $w = $child_w;
         } else {
             $w += $child_w;
         }
         $h = max($h, $child_h);
         if ($this->_dompdf->get_option("debugLayout") && $this->_dompdf->get_option("debugLayoutInline")) {
             $this->_debug_layout($child->get_border_box(), "blue");
             if ($this->_dompdf->get_option("debugLayoutPaddingBox")) {
                 $this->_debug_layout($child->get_padding_box(), "blue", array(0.5, 0.5));
             }
         }
     }
     // Handle the last child
     if (($bg = $style->background_color) !== "transparent") {
         $this->_canvas->filled_rectangle($x + $widths[3], $y + $widths[0], $w, $h, $bg);
     }
     //On continuation lines (after line break) of inline elements, the style got copied.
     //But a non repeatable background image should not be repeated on the next line.
     //But removing the background image above has never an effect, and removing it below
     //removes it always, even on the initial line.
     //Need to handle it elsewhere, e.g. on certain ...clone()... usages.
     // Repeat not given: default is Style::__construct
     // ... && (!($repeat = $style->background_repeat) || $repeat === "repeat" ...
     //different position? $this->_background_image($url, $x, $y, $w, $h, $style);
     if (($url = $style->background_image) && $url !== "none") {
         $this->_background_image($url, $x + $widths[3], $y + $widths[0], $w, $h, $style);
     }
     // Add the border widths
     $w += $widths[1] + $widths[3];
     $h += $widths[0] + $widths[2];
     // make sure the border and background start inside the left margin
     $left_margin = $style->length_in_pt($style->margin_left);
     $x += $left_margin;
     // If this is the first row, draw the left border too
     if ($first_row && $bp["left"]["style"] !== "none" && $bp["left"]["color"] !== "transparent" && $widths[3] > 0) {
         $method = "_border_" . $bp["left"]["style"];
         $this->{$method}($x, $y, $h, $bp["left"]["color"], $widths, "left");
     }
     // Draw the top & bottom borders
     if ($bp["top"]["style"] !== "none" && $bp["top"]["color"] !== "transparent" && $widths[0] > 0) {
         $method = "_border_" . $bp["top"]["style"];
         $this->{$method}($x, $y, $w, $bp["top"]["color"], $widths, "top");
     }
     if ($bp["bottom"]["style"] !== "none" && $bp["bottom"]["color"] !== "transparent" && $widths[2] > 0) {
         $method = "_border_" . $bp["bottom"]["style"];
         $this->{$method}($x, $y + $h, $w, $bp["bottom"]["color"], $widths, "bottom");
     }
     //    Helpers::var_dump(get_class($frame->get_next_sibling()));
     //    $last_row = get_class($frame->get_next_sibling()) !== 'Inline';
     // Draw the right border if this is the last row
     if ($bp["right"]["style"] !== "none" && $bp["right"]["color"] !== "transparent" && $widths[1] > 0) {
         $method = "_border_" . $bp["right"]["style"];
         $this->{$method}($x + $w, $y, $h, $bp["right"]["color"], $widths, "right");
     }
     // Only two levels of links frames
     $link_node = null;
     if ($frame->get_node()->nodeName === "a") {
         $link_node = $frame->get_node();
         if (($name = $link_node->getAttribute("name")) || ($name = $link_node->getAttribute("id"))) {
             $this->_canvas->add_named_dest($name);
         }
     }
     if ($frame->get_parent() && $frame->get_parent()->get_node()->nodeName === "a") {
         $link_node = $frame->get_parent()->get_node();
     }
     // Handle anchors & links
     if ($link_node) {
         if ($href = $link_node->getAttribute("href")) {
             $href = Helpers::build_url($this->_dompdf->getProtocol(), $this->_dompdf->getBaseHost(), $this->_dompdf->getBasePath(), $href);
             $this->_canvas->add_link($href, $x, $y, $w, $h);
         }
     }
 }
Exemple #4
0
 function render(Frame $frame)
 {
     $style = $frame->get_style();
     $font_size = $style->get_font_size();
     $line_height = $style->length_in_pt($style->line_height, $frame->get_containing_block("w"));
     $this->_set_opacity($frame->get_opacity($style->opacity));
     $li = $frame->get_parent();
     // Don't render bullets twice if if was split
     if ($li->_splitted) {
         return;
     }
     // Handle list-style-image
     // If list style image is requested but missing, fall back to predefined types
     if ($style->list_style_image !== "none" && !Cache::is_broken($img = $frame->get_image_url())) {
         list($x, $y) = $frame->get_position();
         //For expected size and aspect, instead of box size, use image natural size scaled to DPI.
         // Resample the bullet image to be consistent with 'auto' sized images
         // See also Image::get_min_max_width
         // Tested php ver: value measured in px, suffix "px" not in value: rtrim unnecessary.
         //$w = $frame->get_width();
         //$h = $frame->get_height();
         list($width, $height) = Helpers::dompdf_getimagesize($img, $this->_dompdf->getHttpContext());
         $dpi = $this->_dompdf->getOptions()->getDpi();
         $w = (double) rtrim($width, "px") * 72 / $dpi;
         $h = (double) rtrim($height, "px") * 72 / $dpi;
         $x -= $w;
         $y -= ($line_height - $font_size) / 2;
         //Reverse hinting of list_bullet_positioner
         $this->_canvas->image($img, $x, $y, $w, $h);
     } else {
         $bullet_style = $style->list_style_type;
         $fill = false;
         switch ($bullet_style) {
             default:
             case "disc":
                 $fill = true;
             case "circle":
                 list($x, $y) = $frame->get_position();
                 $r = $font_size * ListBulletFrameDecorator::BULLET_SIZE / 2;
                 $x -= $font_size * (ListBulletFrameDecorator::BULLET_SIZE / 2);
                 $y += $font_size * (1 - ListBulletFrameDecorator::BULLET_DESCENT) / 2;
                 $o = $font_size * ListBulletFrameDecorator::BULLET_THICKNESS;
                 $this->_canvas->circle($x, $y, $r, $style->color, $o, null, $fill);
                 break;
             case "square":
                 list($x, $y) = $frame->get_position();
                 $w = $font_size * ListBulletFrameDecorator::BULLET_SIZE;
                 $x -= $w;
                 $y += $font_size * (1 - ListBulletFrameDecorator::BULLET_DESCENT - ListBulletFrameDecorator::BULLET_SIZE) / 2;
                 $this->_canvas->filled_rectangle($x, $y, $w, $w, $style->color);
                 break;
             case "decimal-leading-zero":
             case "decimal":
             case "lower-alpha":
             case "lower-latin":
             case "lower-roman":
             case "lower-greek":
             case "upper-alpha":
             case "upper-latin":
             case "upper-roman":
             case "1":
                 // HTML 4.0 compatibility
             // HTML 4.0 compatibility
             case "a":
             case "i":
             case "A":
             case "I":
                 $pad = null;
                 if ($bullet_style === "decimal-leading-zero") {
                     $pad = strlen($li->get_parent()->get_node()->getAttribute("dompdf-children-count"));
                 }
                 $node = $frame->get_node();
                 if (!$node->hasAttribute("dompdf-counter")) {
                     return;
                 }
                 $index = $node->getAttribute("dompdf-counter");
                 $text = $this->make_counter($index, $bullet_style, $pad);
                 if (trim($text) == "") {
                     return;
                 }
                 $spacing = 0;
                 $font_family = $style->font_family;
                 $line = $li->get_containing_line();
                 list($x, $y) = array($frame->get_position("x"), $line->y);
                 $x -= $this->_dompdf->getFontMetrics()->getTextWidth($text, $font_family, $font_size, $spacing);
                 // Take line-height into account
                 $line_height = $style->line_height;
                 $y += ($line_height - $font_size) / 4;
                 // FIXME I thought it should be 2, but 4 gives better results
                 $this->_canvas->text($x, $y, $text, $font_family, $font_size, $style->color, $spacing);
             case "none":
                 break;
         }
     }
 }
Exemple #5
0
 /**
  * Check if $frame will fit on the page.  If the frame does not fit,
  * the frame tree is modified so that a page break occurs in the
  * correct location.
  *
  * @param Frame $frame the frame to check
  *
  * @return Frame the frame following the page break
  */
 function check_page_break(Frame $frame)
 {
     // Do not split if we have already or if the frame was already
     // pushed to the next page (prevents infinite loops)
     if ($this->_page_full || $frame->_already_pushed) {
         return false;
     }
     // If the frame is absolute of fixed it shouldn't break
     $p = $frame;
     do {
         if ($p->is_absolute()) {
             return false;
         }
     } while ($p = $p->get_parent());
     $margin_height = $frame->get_margin_height();
     // FIXME If the row is taller than the page and
     // if it the first of the page, we don't break
     if ($frame->get_style()->display === "table-row" && !$frame->get_prev_sibling() && $margin_height > $this->get_margin_height()) {
         return false;
     }
     // Determine the frame's maximum y value
     $max_y = $frame->get_position("y") + $margin_height;
     // If a split is to occur here, then the bottom margins & paddings of all
     // parents of $frame must fit on the page as well:
     $p = $frame->get_parent();
     while ($p) {
         $max_y += $p->get_style()->computed_bottom_spacing();
         $p = $p->get_parent();
     }
     // Check if $frame flows off the page
     if ($max_y <= $this->_bottom_page_margin) {
         // no: do nothing
         return false;
     }
     Helpers::dompdf_debug("page-break", "check_page_break");
     Helpers::dompdf_debug("page-break", "in_table: " . $this->_in_table);
     // yes: determine page break location
     $iter = $frame;
     $flg = false;
     $in_table = $this->_in_table;
     Helpers::dompdf_debug("page-break", "Starting search");
     while ($iter) {
         // echo "\nbacktrack: " .$iter->get_node()->nodeName ." ".spl_object_hash($iter->get_node()). "";
         if ($iter === $this) {
             Helpers::dompdf_debug("page-break", "reached root.");
             // We've reached the root in our search.  Just split at $frame.
             break;
         }
         if ($this->_page_break_allowed($iter)) {
             Helpers::dompdf_debug("page-break", "break allowed, splitting.");
             $iter->split(null, true);
             $this->_page_full = true;
             $this->_in_table = $in_table;
             $frame->_already_pushed = true;
             return true;
         }
         if (!$flg && ($next = $iter->get_last_child())) {
             Helpers::dompdf_debug("page-break", "following last child.");
             if ($next->is_table()) {
                 $this->_in_table++;
             }
             $iter = $next;
             continue;
         }
         if ($next = $iter->get_prev_sibling()) {
             Helpers::dompdf_debug("page-break", "following prev sibling.");
             if ($next->is_table() && !$iter->is_table()) {
                 $this->_in_table++;
             } else {
                 if (!$next->is_table() && $iter->is_table()) {
                     $this->_in_table--;
                 }
             }
             $iter = $next;
             $flg = false;
             continue;
         }
         if ($next = $iter->get_parent()) {
             Helpers::dompdf_debug("page-break", "following parent.");
             if ($iter->is_table()) {
                 $this->_in_table--;
             }
             $iter = $next;
             $flg = true;
             continue;
         }
         break;
     }
     $this->_in_table = $in_table;
     // No valid page break found.  Just break at $frame.
     Helpers::dompdf_debug("page-break", "no valid break found, just splitting.");
     // If we are in a table, backtrack to the nearest top-level table row
     if ($this->_in_table) {
         $iter = $frame;
         while ($iter && $iter->get_style()->display !== "table-row" && $iter->get_style()->display !== 'table-row-group') {
             $iter = $iter->get_parent();
         }
         $iter->split(null, true);
     } else {
         $frame->split(null, true);
     }
     $this->_page_full = true;
     $frame->_already_pushed = true;
     return true;
 }
 /**
  * Parses the CSS "content" property
  *
  * @return string|null The resulting string
  */
 protected function _parse_content()
 {
     // Matches generated content
     $re = "/\n" . "\\s(counters?\\([^)]*\\))|\n" . "\\A(counters?\\([^)]*\\))|\n" . "\\s([\"']) ( (?:[^\"']|\\\\[\"'])+ )(?<!\\\\)\\3|\n" . "\\A([\"']) ( (?:[^\"']|\\\\[\"'])+ )(?<!\\\\)\\5|\n" . "\\s([^\\s\"']+)|\n" . "\\A([^\\s\"']+)\n" . "/xi";
     $content = $this->_frame->get_style()->content;
     $quotes = $this->_parse_quotes();
     // split on spaces, except within quotes
     if (!preg_match_all($re, $content, $matches, PREG_SET_ORDER)) {
         return null;
     }
     $text = "";
     foreach ($matches as $match) {
         if (isset($match[2]) && $match[2] !== "") {
             $match[1] = $match[2];
         }
         if (isset($match[6]) && $match[6] !== "") {
             $match[4] = $match[6];
         }
         if (isset($match[8]) && $match[8] !== "") {
             $match[7] = $match[8];
         }
         if (isset($match[1]) && $match[1] !== "") {
             // counters?(...)
             $match[1] = mb_strtolower(trim($match[1]));
             // Handle counter() references:
             // http://www.w3.org/TR/CSS21/generate.html#content
             $i = mb_strpos($match[1], ")");
             if ($i === false) {
                 continue;
             }
             preg_match('/(counters?)(^\\()*?\\(\\s*([^\\s,]+)\\s*(,\\s*["\']?([^"\'\\)]+)["\']?\\s*(,\\s*([^\\s)]+)\\s*)?)?\\)/i', $match[1], $args);
             $counter_id = $args[3];
             if (strtolower($args[1]) == 'counter') {
                 // counter(name [,style])
                 if (isset($args[5])) {
                     $type = trim($args[5]);
                 } else {
                     $type = null;
                 }
                 $p = $this->_frame->lookup_counter_frame($counter_id);
                 $text .= $p->counter_value($counter_id, $type);
             } else {
                 if (strtolower($args[1]) == 'counters') {
                     // counters(name, string [,style])
                     if (isset($args[5])) {
                         $string = $this->_parse_string($args[5]);
                     } else {
                         $string = "";
                     }
                     if (isset($args[7])) {
                         $type = trim($args[7]);
                     } else {
                         $type = null;
                     }
                     $p = $this->_frame->lookup_counter_frame($counter_id);
                     $tmp = array();
                     while ($p) {
                         // We only want to use the counter values when they actually increment the counter
                         if (array_key_exists($counter_id, $p->_counters)) {
                             array_unshift($tmp, $p->counter_value($counter_id, $type));
                         }
                         $p = $p->lookup_counter_frame($counter_id);
                     }
                     $text .= implode($string, $tmp);
                 } else {
                     // countertops?
                     continue;
                 }
             }
         } else {
             if (isset($match[4]) && $match[4] !== "") {
                 // String match
                 $text .= $this->_parse_string($match[4]);
             } else {
                 if (isset($match[7]) && $match[7] !== "") {
                     // Directive match
                     if ($match[7] === "open-quote") {
                         // FIXME: do something here
                         $text .= $quotes[0][0];
                     } else {
                         if ($match[7] === "close-quote") {
                             // FIXME: do something else here
                             $text .= $quotes[0][1];
                         } else {
                             if ($match[7] === "no-open-quote") {
                                 // FIXME:
                             } else {
                                 if ($match[7] === "no-close-quote") {
                                     // FIXME:
                                 } else {
                                     if (mb_strpos($match[7], "attr(") === 0) {
                                         $i = mb_strpos($match[7], ")");
                                         if ($i === false) {
                                             continue;
                                         }
                                         $attr = mb_substr($match[7], 5, $i - 5);
                                         if ($attr == "") {
                                             continue;
                                         }
                                         $text .= $this->_frame->get_parent()->get_node()->getAttribute($attr);
                                     } else {
                                         continue;
                                     }
                                 }
                             }
                         }
                     }
                 }
             }
         }
     }
     return $text;
 }