function render(Frame $frame)
{
if (!$this->_dompdf->get_option("enable_javascript")) {
return;
}
$this->insert($frame->get_node()->nodeValue);
}
function render(Frame $frame)
{
if (!$this->_dompdf->getOptions()->getIsJavascriptEnabled()) {
return;
}
$this->insert($frame->get_node()->nodeValue);
}
/**
* Class constructor
*
* @param Frame $frame the bullet frame to decorate
* @param Dompdf $dompdf the document's dompdf object
*/
function __construct(Frame $frame, Dompdf $dompdf)
{
$style = $frame->get_style();
$url = $style->list_style_image;
$frame->get_node()->setAttribute("src", $url);
$this->_img = new Image($frame, $dompdf);
parent::__construct($this->_img, $dompdf);
list($width, $height) = Helpers::dompdf_getimagesize($this->_img->get_image_url());
// 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.
$dpi = $this->_dompdf->get_option("dpi");
$this->_width = (double) rtrim($width, "px") * 72 / $dpi;
$this->_height = (double) rtrim($height, "px") * 72 / $dpi;
//If an image is taller as the containing block/box, the box should be extended.
//Neighbour elements are overwriting the overlapping image areas.
//Todo: Where can the box size be extended?
//Code below has no effect.
//See block_frame_reflower _calculate_restricted_height
//See generated_frame_reflower, Dompdf:render() "list-item", "-dompdf-list-bullet"S.
//Leave for now
//if ($style->min_height < $this->_height ) {
// $style->min_height = $this->_height;
//}
//$style->height = "auto";
}
function apply_page_style(Frame $frame, $page_number)
{
$style = $frame->get_style();
$page_styles = $style->get_stylesheet()->get_page_styles();
// http://www.w3.org/TR/CSS21/page.html#page-selectors
if (count($page_styles) > 1) {
$odd = $page_number % 2 == 1;
$first = $page_number == 1;
$style = clone $page_styles["base"];
// FIXME RTL
if ($odd && isset($page_styles[":right"])) {
$style->merge($page_styles[":right"]);
}
if ($odd && isset($page_styles[":odd"])) {
$style->merge($page_styles[":odd"]);
}
// FIXME RTL
if (!$odd && isset($page_styles[":left"])) {
$style->merge($page_styles[":left"]);
}
if (!$odd && isset($page_styles[":even"])) {
$style->merge($page_styles[":even"]);
}
if ($first && isset($page_styles[":first"])) {
$style->merge($page_styles[":first"]);
}
$frame->set_style($style);
}
}
/**
* @param Frame $frame
*/
static function translate_attributes(Frame $frame)
{
$node = $frame->get_node();
$tag = $node->nodeName;
if (!isset(self::$__ATTRIBUTE_LOOKUP[$tag])) {
return;
}
$valid_attrs = self::$__ATTRIBUTE_LOOKUP[$tag];
$attrs = $node->attributes;
$style = rtrim($node->getAttribute(self::$_style_attr), "; ");
if ($style != "") {
$style .= ";";
}
foreach ($attrs as $attr => $attr_node) {
if (!isset($valid_attrs[$attr])) {
continue;
}
$value = $attr_node->value;
$target = $valid_attrs[$attr];
// Look up $value in $target, if $target is an array:
if (is_array($target)) {
if (isset($target[$value])) {
$style .= " " . self::_resolve_target($node, $target[$value], $value);
}
} else {
// otherwise use target directly
$style .= " " . self::_resolve_target($node, $target, $value);
}
}
if (!is_null($style)) {
$style = ltrim($style);
$node->setAttribute(self::$_style_attr, $style);
}
}
function __construct(Frame $frame, Dompdf $dompdf)
{
if (!$frame->is_text_node()) {
throw new Exception("Text_Decorator can only be applied to #text nodes.");
}
parent::__construct($frame, $dompdf);
$this->_text_spacing = null;
}
/**
* @return Frame
*/
public function next()
{
$ret = $this->_cur;
if (!$ret) {
return null;
}
$this->_cur = $this->_cur->get_next_sibling();
$this->_num++;
return $ret;
}
/**
* "Destructor": forcibly free all references held by this frame
*
* @param bool $recursive if true, call dispose on all children
*/
public function dispose($recursive = false)
{
if ($recursive) {
while ($child = $this->_first_child) {
$child->dispose(true);
}
}
// Remove this frame from the tree
if ($this->_prev_sibling) {
$this->_prev_sibling->_next_sibling = $this->_next_sibling;
}
if ($this->_next_sibling) {
$this->_next_sibling->_prev_sibling = $this->_prev_sibling;
}
if ($this->_parent && $this->_parent->_first_child === $this) {
$this->_parent->_first_child = $this->_next_sibling;
}
if ($this->_parent && $this->_parent->_last_child === $this) {
$this->_parent->_last_child = $this->_prev_sibling;
}
if ($this->_parent) {
$this->_parent->get_node()->removeChild($this->_node);
}
$this->_style->dispose();
$this->_style = null;
unset($this->_style);
$this->_original_style->dispose();
$this->_original_style = null;
unset($this->_original_style);
}
function render(Frame $frame)
{
$style = $frame->get_style();
$this->_set_opacity($frame->get_opacity($style->opacity));
$this->_render_border($frame);
$this->_render_outline($frame);
if ($this->_dompdf->get_option("debugLayout") && $this->_dompdf->get_option("debugLayoutBlocks")) {
$this->_debug_layout($frame->get_border_box(), "red");
if ($this->_dompdf->get_option("debugLayoutPaddingBox")) {
$this->_debug_layout($frame->get_padding_box(), "red", array(0.5, 0.5));
}
}
if ($this->_dompdf->get_option("debugLayout") && $this->_dompdf->get_option("debugLayoutLines") && $frame->get_decorator()) {
foreach ($frame->get_decorator()->get_line_boxes() as $line) {
$frame->_debug_layout(array($line->x, $line->y, $line->w, $line->h), "orange");
}
}
}
function render(Frame $frame)
{
$style = $frame->get_style();
$node = $frame->get_node();
list($x, $y, $w, $h) = $frame->get_border_box();
$this->_set_opacity($frame->get_opacity($style->opacity));
if ($node->nodeName === "body") {
$h = $frame->get_containing_block("h") - $style->length_in_pt(array($style->margin_top, $style->border_top_width, $style->border_bottom_width, $style->margin_bottom), $style->width);
}
// Handle anchors & links
if ($node->nodeName === "a" && ($href = $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, $h);
}
// Draw our background, border and content
list($tl, $tr, $br, $bl) = $style->get_computed_border_radius($w, $h);
if ($tl + $tr + $br + $bl > 0) {
$this->_canvas->clipping_roundrectangle($x, $y, $w, $h, $tl, $tr, $br, $bl);
}
if (($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, $style);
}
if ($tl + $tr + $br + $bl > 0) {
$this->_canvas->clipping_end();
}
$border_box = array($x, $y, $w, $h);
$this->_render_border($frame, $border_box);
$this->_render_outline($frame, $border_box);
if ($this->_dompdf->getOptions()->getDebugLayout() && $this->_dompdf->getOptions()->getDebugLayoutBlocks()) {
$this->_debug_layout($frame->get_border_box(), "red");
if ($this->_dompdf->getOptions()->getDebugLayoutPaddingBox()) {
$this->_debug_layout($frame->get_padding_box(), "red", array(0.5, 0.5));
}
}
if ($this->_dompdf->getOptions()->getDebugLayout() && $this->_dompdf->getOptions()->getDebugLayoutLines() && $frame->get_decorator()) {
foreach ($frame->get_decorator()->get_line_boxes() as $line) {
$frame->_debug_layout(array($line->x, $line->y, $line->w, $line->h), "orange");
}
}
}
/**
* Determine current frame width based on contents
*
* @return float
*/
public function calculate_auto_width()
{
return $this->_frame->get_margin_width();
}
function render(Frame $frame)
{
$this->evaluate($frame->get_node()->nodeValue);
}
/**
* @param Frame $child
* @param float $cb_x
* @param float $cb_w
*/
function process_float(Frame $child, $cb_x, $cb_w)
{
$child_style = $child->get_style();
$root = $this->_frame->get_root();
// Handle "float"
if ($child_style->float !== "none") {
$root->add_floating_frame($child);
// Remove next frame's beginning whitespace
$next = $child->get_next_sibling();
if ($next && $next instanceof TextFrameDecorator) {
$next->set_text(ltrim($next->get_text()));
}
$line_box = $this->_frame->get_current_line_box();
list($old_x, $old_y) = $child->get_position();
$float_x = $cb_x;
$float_y = $old_y;
$float_w = $child->get_margin_width();
if ($child_style->clear === "none") {
switch ($child_style->float) {
case "left":
$float_x += $line_box->left;
break;
case "right":
$float_x += $cb_w - $line_box->right - $float_w;
break;
}
} else {
if ($child_style->float === "right") {
$float_x += $cb_w - $float_w;
}
}
if ($cb_w < $float_x + $float_w - $old_x) {
// TODO handle when floating elements don't fit
}
$line_box->get_float_offsets();
if ($child->_float_next_line) {
$float_y += $line_box->h;
}
$child->set_position($float_x, $float_y);
$child->move($float_x - $old_x, $float_y - $old_y, true);
}
}
function render(Frame $frame)
{
// Render background & borders
$style = $frame->get_style();
$cb = $frame->get_containing_block();
list($x, $y, $w, $h) = $frame->get_border_box();
$this->_set_opacity($frame->get_opacity($style->opacity));
list($tl, $tr, $br, $bl) = $style->get_computed_border_radius($w, $h);
$has_border_radius = $tl + $tr + $br + $bl > 0;
if ($has_border_radius) {
$this->_canvas->clipping_roundrectangle($x, $y, $w, $h, $tl, $tr, $br, $bl);
}
if (($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, $style);
}
if ($has_border_radius) {
$this->_canvas->clipping_end();
}
$this->_render_border($frame);
$this->_render_outline($frame);
list($x, $y) = $frame->get_padding_box();
$x += $style->length_in_pt($style->padding_left, $cb["w"]);
$y += $style->length_in_pt($style->padding_top, $cb["h"]);
$w = $style->length_in_pt($style->width, $cb["w"]);
$h = $style->length_in_pt($style->height, $cb["h"]);
if ($has_border_radius) {
list($wt, $wr, $wb, $wl) = array($style->border_top_width, $style->border_right_width, $style->border_bottom_width, $style->border_left_width);
// we have to get the "inner" radius
if ($tl > 0) {
$tl -= ($wt + $wl) / 2;
}
if ($tr > 0) {
$tr -= ($wt + $wr) / 2;
}
if ($br > 0) {
$br -= ($wb + $wr) / 2;
}
if ($bl > 0) {
$bl -= ($wb + $wl) / 2;
}
$this->_canvas->clipping_roundrectangle($x, $y, $w, $h, $tl, $tr, $br, $bl);
}
$src = $frame->get_image_url();
$alt = null;
if (Cache::is_broken($src) && ($alt = $frame->get_node()->getAttribute("alt"))) {
$font = $style->font_family;
$size = $style->font_size;
$spacing = $style->word_spacing;
$this->_canvas->text($x, $y, $alt, $font, $size, $style->color, $spacing);
} else {
$this->_canvas->image($src, $x, $y, $w, $h, $style->image_resolution);
}
if ($has_border_radius) {
$this->_canvas->clipping_end();
}
if ($msg = $frame->get_image_msg()) {
$parts = preg_split("/\\s*\n\\s*/", $msg);
$height = 10;
$_y = $alt ? $y + $h - count($parts) * $height : $y;
foreach ($parts as $i => $_part) {
$this->_canvas->text($x, $_y + $i * $height, $_part, "times", $height * 0.8, array(0.5, 0.5, 0.5));
}
}
if ($this->_dompdf->getOptions()->getDebugLayout() && $this->_dompdf->getOptions()->getDebugLayoutBlocks()) {
$this->_debug_layout($frame->get_border_box(), "blue");
if ($this->_dompdf->getOptions()->getDebugLayoutPaddingBox()) {
$this->_debug_layout($frame->get_padding_box(), "blue", array(0.5, 0.5));
}
}
}
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;
}
}
}
public function get_lowest_float_offset(Frame $child)
{
$style = $child->get_style();
$side = $style->clear;
$float = $style->float;
$y = 0;
foreach ($this->_floating_frames as $key => $frame) {
if ($side === "both" || $frame->get_style()->float === $side) {
$y = max($y, $frame->get_position("y") + $frame->get_margin_height());
if ($float !== "none") {
$this->remove_floating_frame($key);
}
}
}
return $y;
}
/**
* Sets the generated content of a generated frame
*/
protected function _set_content()
{
$frame = $this->_frame;
$style = $frame->get_style();
// if the element was pushed to a new page use the saved counter value, otherwise use the CSS reset value
if ($style->counter_reset && ($reset = $style->counter_reset) !== "none") {
$vars = preg_split('/\\s+/', trim($reset), 2);
$frame->reset_counter($vars[0], isset($frame->_counters['__' . $vars[0]]) ? $frame->_counters['__' . $vars[0]] : (isset($vars[1]) ? $vars[1] : 0));
}
if ($style->counter_increment && ($increment = $style->counter_increment) !== "none") {
$frame->increment_counters($increment);
}
if ($style->content && !$frame->get_first_child() && $frame->get_node()->nodeName === "dompdf_generated") {
$content = $this->_parse_content();
// add generated content to the font subset
// FIXME: This is currently too late because the font subset has already been generated.
// See notes in issue #750.
if ($frame->get_dompdf()->get_option("enable_font_subsetting") && $frame->get_dompdf()->get_canvas() instanceof CPDF) {
$frame->get_dompdf()->get_canvas()->register_string_subset($style->font_family, $content);
}
$node = $frame->get_node()->ownerDocument->createTextNode($content);
$new_style = $style->get_stylesheet()->create_style();
$new_style->inherit($style);
$new_frame = new Frame($node);
$new_frame->set_style($new_style);
Factory::decorate_frame($new_frame, $frame->get_dompdf(), $frame->get_root());
$frame->append_child($new_frame);
}
}
/**
* Update a row group after rows have been removed
*
* @param Frame $group The group to update
* @param Frame $last_row The last row in the row group
*/
public function update_row_group(Frame $group, Frame $last_row)
{
$g_key = $group->get_id();
$r_key = $last_row->get_id();
$r_rows = $this->_frames[$r_key]["rows"];
$this->_frames[$g_key]["rows"] = range($this->_frames[$g_key]["rows"][0], end($r_rows));
}
/**
* Recursively adds {@link Frame} objects to the tree
*
* Recursively build a tree of Frame objects based on a dom tree.
* No layout information is calculated at this time, although the
* tree may be adjusted (i.e. nodes and frames for generated content
* and images may be created).
*
* @param DOMNode $node the current DOMNode being considered
*
* @return Frame
*/
protected function _build_tree_r(DOMNode $node)
{
$frame = new Frame($node);
$id = $frame->get_id();
$this->_registry[$id] = $frame;
if (!$node->hasChildNodes()) {
return $frame;
}
// Store the children in an array so that the tree can be modified
$children = array();
$length = $node->childNodes->length;
for ($i = 0; $i < $length; $i++) {
$children[] = $node->childNodes->item($i);
}
$index = 0;
// INFO: We don't advance $index if a node is removed to avoid skipping nodes
while ($index < count($children)) {
$child = $children[$index];
$nodeName = strtolower($child->nodeName);
// Skip non-displaying nodes
if (in_array($nodeName, self::$HIDDEN_TAGS)) {
if ($nodeName !== "head" && $nodeName !== "style") {
$this->_remove_node($node, $children, $index);
} else {
$index++;
}
continue;
}
// Skip empty text nodes
if ($nodeName === "#text" && $child->nodeValue === "") {
$this->_remove_node($node, $children, $index);
continue;
}
// Skip empty image nodes
if ($nodeName === "img" && $child->getAttribute("src") === "") {
$this->_remove_node($node, $children, $index);
continue;
}
if (is_object($child)) {
$frame->append_child($this->_build_tree_r($child), false);
}
$index++;
}
return $frame;
}
/**
* Decorate a Frame
*
* @param Frame $frame The frame to decorate
* @param Dompdf $dompdf The dompdf instance
* @param Frame $root The frame to decorate
*
* @throws Exception
* @return AbstractFrameDecorator
* FIXME: this is admittedly a little smelly...
*/
static function decorate_frame(Frame $frame, Dompdf $dompdf, Frame $root = null)
{
if (is_null($dompdf)) {
throw new Exception("The DOMPDF argument is required");
}
$style = $frame->get_style();
// Floating (and more generally out-of-flow) elements are blocks
// http://coding.smashingmagazine.com/2007/05/01/css-float-theory-things-you-should-know/
if (!$frame->is_in_flow() && in_array($style->display, Style::$INLINE_TYPES)) {
$style->display = "block";
}
$display = $style->display;
switch ($display) {
case "block":
$positioner = "Block";
$decorator = "Block";
$reflower = "Block";
break;
case "inline-block":
$positioner = "Inline";
$decorator = "Block";
$reflower = "Block";
break;
case "inline":
$positioner = "Inline";
if ($frame->is_text_node()) {
$decorator = "Text";
$reflower = "Text";
} else {
$enable_css_float = $dompdf->get_option("enable_css_float");
if ($enable_css_float && $style->float !== "none") {
$decorator = "Block";
$reflower = "Block";
} else {
$decorator = "Inline";
$reflower = "Inline";
}
}
break;
case "table":
$positioner = "Block";
$decorator = "Table";
$reflower = "Table";
break;
case "inline-table":
$positioner = "Inline";
$decorator = "Table";
$reflower = "Table";
break;
case "table-row-group":
case "table-header-group":
case "table-footer-group":
$positioner = "Null";
$decorator = "TableRowGroup";
$reflower = "TableRowGroup";
break;
case "table-row":
$positioner = "Null";
$decorator = "TableRow";
$reflower = "TableRow";
break;
case "table-cell":
$positioner = "TableCell";
$decorator = "TableCell";
$reflower = "TableCell";
break;
case "list-item":
$positioner = "Block";
$decorator = "Block";
$reflower = "Block";
break;
case "-dompdf-list-bullet":
if ($style->list_style_position === "inside") {
$positioner = "Inline";
} else {
$positioner = "ListBullet";
}
if ($style->list_style_image !== "none") {
$decorator = "ListBulletImage";
} else {
$decorator = "ListBullet";
}
$reflower = "ListBullet";
break;
case "-dompdf-image":
$positioner = "Inline";
$decorator = "Image";
$reflower = "Image";
break;
case "-dompdf-br":
$positioner = "Inline";
$decorator = "Inline";
$reflower = "Inline";
break;
default:
// FIXME: should throw some sort of warning or something?
// FIXME: should throw some sort of warning or something?
case "none":
if ($style->_dompdf_keep !== "yes") {
// Remove the node and the frame
$frame->get_parent()->remove_child($frame);
return;
}
$positioner = "Null";
$decorator = "Null";
$reflower = "Null";
break;
}
// Handle CSS position
$position = $style->position;
if ($position === "absolute") {
$positioner = "Absolute";
} else {
if ($position === "fixed") {
$positioner = "Fixed";
}
}
$node = $frame->get_node();
// Handle nodeName
if ($node->nodeName === "img") {
$style->display = "-dompdf-image";
$decorator = "Image";
$reflower = "Image";
}
$positioner = "Dompdf\\Positioner\\{$positioner}";
$decorator = "Dompdf\\FrameDecorator\\{$decorator}";
$reflower = "Dompdf\\FrameReflower\\{$reflower}";
/** @var AbstractFrameDecorator $deco */
$deco = new $decorator($frame, $dompdf);
$deco->set_positioner(new $positioner($deco));
$deco->set_reflower(new $reflower($deco, $dompdf->getFontMetrics()));
if ($root) {
$deco->set_root($root);
}
if ($display === "list-item") {
// Insert a list-bullet frame
$xml = $dompdf->get_dom();
$bullet_node = $xml->createElement("bullet");
// arbitrary choice
$b_f = new Frame($bullet_node);
$node = $frame->get_node();
$parent_node = $node->parentNode;
if ($parent_node) {
if (!$parent_node->hasAttribute("dompdf-children-count")) {
$xpath = new DOMXPath($xml);
$count = $xpath->query("li", $parent_node)->length;
$parent_node->setAttribute("dompdf-children-count", $count);
}
if (is_numeric($node->getAttribute("value"))) {
$index = intval($node->getAttribute("value"));
} else {
if (!$parent_node->hasAttribute("dompdf-counter")) {
$index = $parent_node->hasAttribute("start") ? $parent_node->getAttribute("start") : 1;
} else {
$index = $parent_node->getAttribute("dompdf-counter") + 1;
}
}
$parent_node->setAttribute("dompdf-counter", $index);
$bullet_node->setAttribute("dompdf-counter", $index);
}
$new_style = $dompdf->get_css()->create_style();
$new_style->display = "-dompdf-list-bullet";
$new_style->inherit($style);
$b_f->set_style($new_style);
$deco->prepend_child(Factory::decorate_frame($b_f, $dompdf, $root));
}
return $deco;
}
/**
* Restructure tree so that the table has the correct structure.
* Invalid children (i.e. all non-table-rows) are moved below the
* table.
*/
public function normalise()
{
// Store frames generated by invalid tags and move them outside the table
$erroneous_frames = array();
$anon_row = false;
$iter = $this->get_first_child();
while ($iter) {
$child = $iter;
$iter = $iter->get_next_sibling();
$display = $child->get_style()->display;
if ($anon_row) {
if ($display === "table-row") {
// Add the previous anonymous row
$this->insert_child_before($table_row, $child);
$table_row->normalise();
$child->normalise();
$anon_row = false;
continue;
}
// add the child to the anonymous row
$table_row->append_child($child);
continue;
} else {
if ($display === "table-row") {
$child->normalise();
continue;
}
if ($display === "table-cell") {
// Create an anonymous table row
$tr = $this->get_node()->ownerDocument->createElement("tr");
$frame = new Frame($tr);
$css = $this->get_style()->get_stylesheet();
$style = $css->create_style();
$style->inherit($this->get_style());
// Lookup styles for tr tags. If the user wants styles to work
// better, they should make the tr explicit... I'm not going to
// try to guess what they intended.
if ($tr_style = $css->lookup("tr")) {
$style->merge($tr_style);
}
// Okay, I have absolutely no idea why I need this clone here, but
// if it's omitted, php (as of 2004-07-28) segfaults.
$frame->set_style(clone $style);
$table_row = Factory::decorate_frame($frame, $this->_dompdf, $this->_root);
// Add the cell to the row
$table_row->append_child($child);
$anon_row = true;
continue;
}
if (!in_array($display, self::$VALID_CHILDREN)) {
$erroneous_frames[] = $child;
continue;
}
// Normalise other table parts (i.e. row groups)
foreach ($child->get_children() as $grandchild) {
if ($grandchild->get_style()->display === "table-row") {
$grandchild->normalise();
}
}
// Add headers and footers
if ($display === "table-header-group") {
$this->_headers[] = $child;
} elseif ($display === "table-footer-group") {
$this->_footers[] = $child;
}
}
}
if ($anon_row && $table_row instanceof DOMNode) {
// Add the row to the table
$this->_frame->append_child($table_row);
$table_row->normalise();
$this->_cellmap->add_row();
}
foreach ($erroneous_frames as $frame) {
$this->move_after($frame);
}
}
/**
* @param Frame $frame
*/
function add_frame_to_line(Frame $frame)
{
if (!$frame->is_in_flow()) {
return;
}
$style = $frame->get_style();
$frame->set_containing_line($this->_line_boxes[$this->_cl]);
/*
// Adds a new line after a block, only if certain conditions are met
if ((($frame instanceof Inline && $frame->get_node()->nodeName !== "br") ||
$frame instanceof Text && trim($frame->get_text())) &&
($frame->get_prev_sibling() && $frame->get_prev_sibling()->get_style()->display === "block" &&
$this->_line_boxes[$this->_cl]->w > 0 )) {
$this->maximize_line_height( $style->length_in_pt($style->line_height), $frame );
$this->add_line();
// Add each child of the inline frame to the line individually
foreach ($frame->get_children() as $child)
$this->add_frame_to_line( $child );
}
else*/
// Handle inline frames (which are effectively wrappers)
if ($frame instanceof Inline) {
// Handle line breaks
if ($frame->get_node()->nodeName === "br") {
$this->maximize_line_height($style->length_in_pt($style->line_height), $frame);
$this->add_line(true);
}
return;
}
// Trim leading text if this is an empty line. Kinda a hack to put it here,
// but what can you do...
if ($this->get_current_line_box()->w == 0 && $frame->is_text_node() && !$frame->is_pre()) {
$frame->set_text(ltrim($frame->get_text()));
$frame->recalculate_width();
}
$w = $frame->get_margin_width();
if ($w == 0) {
return;
}
// Debugging code:
/*
Helpers::pre_r("\n<h3>Adding frame to line:</h3>");
// Helpers::pre_r("Me: " . $this->get_node()->nodeName . " (" . spl_object_hash($this->get_node()) . ")");
// Helpers::pre_r("Node: " . $frame->get_node()->nodeName . " (" . spl_object_hash($frame->get_node()) . ")");
if ( $frame->is_text_node() )
Helpers::pre_r('"'.$frame->get_node()->nodeValue.'"');
Helpers::pre_r("Line width: " . $this->_line_boxes[$this->_cl]->w);
Helpers::pre_r("Frame: " . get_class($frame));
Helpers::pre_r("Frame width: " . $w);
Helpers::pre_r("Frame height: " . $frame->get_margin_height());
Helpers::pre_r("Containing block width: " . $this->get_containing_block("w"));
*/
// End debugging
$line = $this->_line_boxes[$this->_cl];
if ($line->left + $line->w + $line->right + $w > $this->get_containing_block("w")) {
$this->add_line();
}
$frame->position();
$current_line = $this->_line_boxes[$this->_cl];
$current_line->add_frame($frame);
if ($frame->is_text_node()) {
$current_line->wc += count(preg_split("/\\s+/", trim($frame->get_text())));
}
$this->increase_line_width($w);
$this->maximize_line_height($frame->get_margin_height(), $frame);
}
/**
* Recursively adds {@link Frame} objects to the tree
*
* Recursively build a tree of Frame objects based on a dom tree.
* No layout information is calculated at this time, although the
* tree may be adjusted (i.e. nodes and frames for generated content
* and images may be created).
*
* @param DOMNode $node the current DOMNode being considered
*
* @return Frame
*/
protected function _build_tree_r(DOMNode $node)
{
$frame = new Frame($node);
$id = $frame->get_id();
$this->_registry[$id] = $frame;
if (!$node->hasChildNodes()) {
return $frame;
}
for ($i = 0; $i < $node->childNodes->length; $i++) {
$child = $node->childNodes->item($i);
if (in_array($child->nodeName, self::$HIDDEN_TAGS)) {
if ($child->nodeName !== "head" && $child->nodeName !== "HEAD" && ($child->nodeName !== "style" && $child->nodeName !== "STYLE")) {
$child->parentNode->removeChild($child);
}
} elseif (($child->nodeName === "#text" || $child->nodeName === "#TEXT") && $child->nodeValue == "") {
$child->parentNode->removeChild($child);
} elseif (($child->nodeName === "img" || $child->nodeName === "IMG") && $child->getAttribute("src") == "") {
$child->parentNode->removeChild($child);
} elseif (is_object($child)) {
$frame->append_child($this->_build_tree_r($child), false);
}
}
return $frame;
}
function render(Frame $frame)
{
$style = $frame->get_style();
if (trim($frame->get_node()->nodeValue) === "" && $style->empty_cells === "hide") {
return;
}
$this->_set_opacity($frame->get_opacity($style->opacity));
list($x, $y, $w, $h) = $frame->get_border_box();
// Draw our background, border and content
if (($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);
}
$table = Table::find_parent_table($frame);
if ($table->get_style()->border_collapse !== "collapse") {
$this->_render_border($frame);
$this->_render_outline($frame);
return;
}
// The collapsed case is slightly complicated...
// @todo Add support for outlines here
$cellmap = $table->get_cellmap();
$cells = $cellmap->get_spanned_cells($frame);
$num_rows = $cellmap->get_num_rows();
$num_cols = $cellmap->get_num_cols();
// Determine the top row spanned by this cell
$i = $cells["rows"][0];
$top_row = $cellmap->get_row($i);
// Determine if this cell borders on the bottom of the table. If so,
// then we draw its bottom border. Otherwise the next row down will
// draw its top border instead.
if (in_array($num_rows - 1, $cells["rows"])) {
$draw_bottom = true;
$bottom_row = $cellmap->get_row($num_rows - 1);
} else {
$draw_bottom = false;
}
// Draw the horizontal borders
foreach ($cells["columns"] as $j) {
$bp = $cellmap->get_border_properties($i, $j);
$y = $top_row["y"] - $bp["top"]["width"] / 2;
$col = $cellmap->get_column($j);
$x = $col["x"] - $bp["left"]["width"] / 2;
$w = $col["used-width"] + ($bp["left"]["width"] + $bp["right"]["width"]) / 2;
if ($bp["top"]["style"] !== "none" && $bp["top"]["width"] > 0) {
$widths = array($bp["top"]["width"], $bp["right"]["width"], $bp["bottom"]["width"], $bp["left"]["width"]);
$method = "_border_" . $bp["top"]["style"];
$this->{$method}($x, $y, $w, $bp["top"]["color"], $widths, "top", "square");
}
if ($draw_bottom) {
$bp = $cellmap->get_border_properties($num_rows - 1, $j);
if ($bp["bottom"]["style"] === "none" || $bp["bottom"]["width"] <= 0) {
continue;
}
$y = $bottom_row["y"] + $bottom_row["height"] + $bp["bottom"]["width"] / 2;
$widths = array($bp["top"]["width"], $bp["right"]["width"], $bp["bottom"]["width"], $bp["left"]["width"]);
$method = "_border_" . $bp["bottom"]["style"];
$this->{$method}($x, $y, $w, $bp["bottom"]["color"], $widths, "bottom", "square");
}
}
$j = $cells["columns"][0];
$left_col = $cellmap->get_column($j);
if (in_array($num_cols - 1, $cells["columns"])) {
$draw_right = true;
$right_col = $cellmap->get_column($num_cols - 1);
} else {
$draw_right = false;
}
// Draw the vertical borders
foreach ($cells["rows"] as $i) {
$bp = $cellmap->get_border_properties($i, $j);
$x = $left_col["x"] - $bp["left"]["width"] / 2;
$row = $cellmap->get_row($i);
$y = $row["y"] - $bp["top"]["width"] / 2;
$h = $row["height"] + ($bp["top"]["width"] + $bp["bottom"]["width"]) / 2;
if ($bp["left"]["style"] !== "none" && $bp["left"]["width"] > 0) {
$widths = array($bp["top"]["width"], $bp["right"]["width"], $bp["bottom"]["width"], $bp["left"]["width"]);
$method = "_border_" . $bp["left"]["style"];
$this->{$method}($x, $y, $h, $bp["left"]["color"], $widths, "left", "square");
}
if ($draw_right) {
$bp = $cellmap->get_border_properties($i, $num_cols - 1);
if ($bp["right"]["style"] === "none" || $bp["right"]["width"] <= 0) {
continue;
}
$x = $right_col["x"] + $right_col["used-width"] + $bp["right"]["width"] / 2;
$widths = array($bp["top"]["width"], $bp["right"]["width"], $bp["bottom"]["width"], $bp["left"]["width"]);
$method = "_border_" . $bp["right"]["style"];
$this->{$method}($x, $y, $h, $bp["right"]["color"], $widths, "right", "square");
}
}
}
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);
}
}
}
/**
* @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));
}
}
/**
* Render frames recursively
*
* @param Frame $frame the frame to render
*/
function render(Frame $frame)
{
global $_dompdf_debug;
if ($_dompdf_debug) {
echo $frame;
flush();
}
$style = $frame->get_style();
if (in_array($style->visibility, array("hidden", "collapse"))) {
return;
}
$display = $style->display;
// Starts the CSS transformation
if ($style->transform && is_array($style->transform)) {
$this->_canvas->save();
list($x, $y) = $frame->get_padding_box();
$origin = $style->transform_origin;
foreach ($style->transform as $transform) {
list($function, $values) = $transform;
if ($function === "matrix") {
$function = "transform";
}
$values = array_map("floatval", $values);
$values[] = $x + $style->length_in_pt($origin[0], $style->width);
$values[] = $y + $style->length_in_pt($origin[1], $style->height);
call_user_func_array(array($this->_canvas, $function), $values);
}
}
switch ($display) {
case "block":
case "list-item":
case "inline-block":
case "table":
case "inline-table":
$this->_render_frame("block", $frame);
break;
case "inline":
if ($frame->is_text_node()) {
$this->_render_frame("text", $frame);
} else {
$this->_render_frame("inline", $frame);
}
break;
case "table-cell":
$this->_render_frame("table-cell", $frame);
break;
case "table-row-group":
case "table-header-group":
case "table-footer-group":
$this->_render_frame("table-row-group", $frame);
break;
case "-dompdf-list-bullet":
$this->_render_frame("list-bullet", $frame);
break;
case "-dompdf-image":
$this->_render_frame("image", $frame);
break;
case "none":
$node = $frame->get_node();
if ($node->nodeName === "script") {
if ($node->getAttribute("type") === "text/php" || $node->getAttribute("language") === "php") {
// Evaluate embedded php scripts
$this->_render_frame("php", $frame);
} elseif ($node->getAttribute("type") === "text/javascript" || $node->getAttribute("language") === "javascript") {
// Insert JavaScript
$this->_render_frame("javascript", $frame);
}
}
// Don't render children, so skip to next iter
return;
default:
break;
}
// Starts the overflow: hidden box
if ($style->overflow === "hidden") {
list($x, $y, $w, $h) = $frame->get_padding_box();
// get border radii
$style = $frame->get_style();
list($tl, $tr, $br, $bl) = $style->get_computed_border_radius($w, $h);
if ($tl + $tr + $br + $bl > 0) {
$this->_canvas->clipping_roundrectangle($x, $y, $w, $h, $tl, $tr, $br, $bl);
} else {
$this->_canvas->clipping_rectangle($x, $y, $w, $h);
}
}
$stack = array();
foreach ($frame->get_children() as $child) {
// < 0 : nagative z-index
// = 0 : no z-index, no stacking context
// = 1 : stacking context without z-index
// > 1 : z-index
$child_style = $child->get_style();
$child_z_index = $child_style->z_index;
$z_index = 0;
if ($child_z_index !== "auto") {
$z_index = intval($child_z_index) + 1;
} elseif ($child_style->float !== "none" || $child->is_positionned()) {
$z_index = 1;
}
$stack[$z_index][] = $child;
}
ksort($stack);
foreach ($stack as $by_index) {
foreach ($by_index as $child) {
$this->render($child);
}
}
// Ends the overflow: hidden box
if ($style->overflow === "hidden") {
$this->_canvas->clipping_end();
}
if ($style->transform && is_array($style->transform)) {
$this->_canvas->restore();
}
// Check for end frame callback
$this->_check_callbacks("end_frame", $frame);
}
/**
* split this frame at $child.
* The current frame is cloned and $child and all children following
* $child are added to the clone. The clone is then passed to the
* current frame's parent->split() method.
*
* @param Frame $child
* @param boolean $force_pagebreak
*
* @throws Exception
* @return void
*/
function split(Frame $child = null, $force_pagebreak = false)
{
// decrement any counters that were incremented on the current node, unless that node is the body
$style = $this->_frame->get_style();
if ($this->_frame->get_node()->nodeName !== "body" && $style->counter_increment && ($decrement = $style->counter_increment) !== "none") {
$this->decrement_counters($decrement);
}
if (is_null($child)) {
// check for counter increment on :before content (always a child of the selected element @link AbstractFrameReflower::_set_content)
// this can push the current node to the next page before counter rules have bubbled up (but only if
// it's been rendered, thus the position check)
if (!$this->is_text_node() && $this->get_node()->hasAttribute("dompdf_before_frame_id")) {
foreach ($this->_frame->get_children() as $child) {
if ($this->get_node()->getAttribute("dompdf_before_frame_id") == $child->get_id() && $child->get_position('x') !== null) {
$style = $child->get_style();
if ($style->counter_increment && ($decrement = $style->counter_increment) !== "none") {
$this->decrement_counters($decrement);
}
}
}
}
$this->get_parent()->split($this, $force_pagebreak);
return;
}
if ($child->get_parent() !== $this) {
throw new Exception("Unable to split: frame is not a child of this one.");
}
$node = $this->_frame->get_node();
if ($node instanceof DOMElement && $node->hasAttribute("id")) {
$node->setAttribute("data-dompdf-original-id", $node->getAttribute("id"));
$node->removeAttribute("id");
}
$split = $this->copy($node->cloneNode());
$split->reset();
$split->get_original_style()->text_indent = 0;
$split->_splitted = true;
// The body's properties must be kept
if ($node->nodeName !== "body") {
// Style reset on the first and second parts
$style = $this->_frame->get_style();
$style->margin_bottom = 0;
$style->padding_bottom = 0;
$style->border_bottom = 0;
// second
$orig_style = $split->get_original_style();
$orig_style->text_indent = 0;
$orig_style->margin_top = 0;
$orig_style->padding_top = 0;
$orig_style->border_top = 0;
$orig_style->page_break_before = "auto";
}
$this->get_parent()->insert_child_after($split, $this);
// Add $frame and all following siblings to the new split node
$iter = $child;
while ($iter) {
$frame = $iter;
$iter = $iter->get_next_sibling();
$frame->reset();
$split->append_child($frame);
}
$this->get_parent()->split($split, $force_pagebreak);
// If this node resets a counter save the current value to use when rendering on the next page
if ($style->counter_reset && ($reset = $style->counter_reset) !== "none") {
$vars = preg_split('/\\s+/', trim($reset), 2);
$split->_counters['__' . $vars[0]] = $this->lookup_counter_frame($vars[0])->_counters[$vars[0]];
}
}
