function position(AbstractFrameDecorator $frame)
{
$style = $frame->get_style();
$cb = $frame->get_containing_block();
$p = $frame->find_block_parent();
if ($p) {
$float = $style->float;
if (!$float || $float === "none") {
$p->add_line(true);
}
$y = $p->get_current_line_box()->y;
} else {
$y = $cb["y"];
}
$x = $cb["x"];
// Relative positionning
if ($style->position === "relative") {
$top = $style->length_in_pt($style->top, $cb["h"]);
//$right = $style->length_in_pt($style->right, $cb["w"]);
//$bottom = $style->length_in_pt($style->bottom, $cb["h"]);
$left = $style->length_in_pt($style->left, $cb["w"]);
$x += $left;
$y += $top;
}
$frame->set_position($x, $y);
}
function move(AbstractFrameDecorator $frame, $offset_x, $offset_y, $ignore_self = false)
{
list($x, $y) = $frame->get_position();
if (!$ignore_self) {
$frame->set_position($x + $offset_x, $y + $offset_y);
}
foreach ($frame->get_children() as $child) {
$child->move($offset_x, $offset_y);
}
}
function move($offset_x, $offset_y, $ignore_self = false)
{
list($x, $y) = $this->_frame->get_position();
if (!$ignore_self) {
$this->_frame->set_position($x + $offset_x, $y + $offset_y);
}
foreach ($this->_frame->get_children() as $child) {
$child->move($offset_x, $offset_y);
}
}
function position(AbstractFrameDecorator $frame)
{
$cb = $frame->get_containing_block();
$p = $frame->get_prev_sibling();
if ($p) {
$y = $p->get_position("y") + $p->get_margin_height();
} else {
$y = $cb["y"];
}
$frame->set_position($cb["x"], $y);
}
function position(AbstractFrameDecorator $frame)
{
$style = $frame->get_original_style();
$root = $frame->get_root();
$initialcb = $root->get_containing_block();
$initialcb_style = $root->get_style();
$p = $frame->find_block_parent();
if ($p) {
$p->add_line();
}
// Compute the margins of the @page style
$margin_top = $initialcb_style->length_in_pt($initialcb_style->margin_top, $initialcb["h"]);
$margin_right = $initialcb_style->length_in_pt($initialcb_style->margin_right, $initialcb["w"]);
$margin_bottom = $initialcb_style->length_in_pt($initialcb_style->margin_bottom, $initialcb["h"]);
$margin_left = $initialcb_style->length_in_pt($initialcb_style->margin_left, $initialcb["w"]);
// The needed computed style of the element
$height = $style->length_in_pt($style->height, $initialcb["h"]);
$width = $style->length_in_pt($style->width, $initialcb["w"]);
$top = $style->length_in_pt($style->top, $initialcb["h"]);
$right = $style->length_in_pt($style->right, $initialcb["w"]);
$bottom = $style->length_in_pt($style->bottom, $initialcb["h"]);
$left = $style->length_in_pt($style->left, $initialcb["w"]);
$y = $margin_top;
if (isset($top)) {
$y = $top + $margin_top;
if ($top === "auto") {
$y = $margin_top;
if (isset($bottom) && $bottom !== "auto") {
$y = $initialcb["h"] - $bottom - $margin_bottom;
$margin_height = $frame->get_margin_height();
if ($margin_height !== "auto") {
$y -= $margin_height;
} else {
$y -= $height;
}
}
}
}
$x = $margin_left;
if (isset($left)) {
$x = $left + $margin_left;
if ($left === "auto") {
$x = $margin_left;
if (isset($right) && $right !== "auto") {
$x = $initialcb["w"] - $right - $margin_right;
$margin_width = $frame->get_margin_width();
if ($margin_width !== "auto") {
$x -= $margin_width;
} else {
$x -= $width;
}
}
}
}
$frame->set_position($x, $y);
$children = $frame->get_children();
foreach ($children as $child) {
$child->set_position($x, $y);
}
}
/**
* 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 __construct(Frame $frame, Dompdf $dompdf)
{
parent::__construct($frame, $dompdf);
$style = $this->_frame->get_style();
$style->width = 0;
$style->height = 0;
$style->margin = 0;
$style->padding = 0;
}
/**
* Class constructor
*
* @param Frame $frame the frame to decorate
* @param DOMPDF $dompdf the document's dompdf object (required to resolve relative & remote urls)
*/
function __construct(Frame $frame, Dompdf $dompdf)
{
parent::__construct($frame, $dompdf);
$url = $frame->get_node()->getAttribute("src");
$debug_png = $dompdf->get_option("debug_png");
if ($debug_png) {
print '[__construct ' . $url . ']';
}
list($this->_image_url, , $this->_image_msg) = Cache::resolve_url($url, $dompdf->get_protocol(), $dompdf->get_host(), $dompdf->get_base_path(), $dompdf);
if (Cache::is_broken($this->_image_url) && ($alt = $frame->get_node()->getAttribute("alt"))) {
$style = $frame->get_style();
$style->width = 4 / 3 * $dompdf->getFontMetrics()->getTextWidth($alt, $style->font_family, $style->font_size, $style->word_spacing);
$style->height = $dompdf->getFontMetrics()->getFontHeight($style->font_family, $style->font_size);
}
}
function position(AbstractFrameDecorator $frame)
{
/**
* Find our nearest block level parent and access its lines property.
* @var BlockFrameDecorator
*/
$p = $frame->find_block_parent();
// Debugging code:
// Helpers::pre_r("\nPositioning:");
// Helpers::pre_r("Me: " . $frame->get_node()->nodeName . " (" . spl_object_hash($frame->get_node()) . ")");
// Helpers::pre_r("Parent: " . $p->get_node()->nodeName . " (" . spl_object_hash($p->get_node()) . ")");
// End debugging
if (!$p) {
throw new Exception("No block-level parent found. Not good.");
}
$f = $frame;
$cb = $f->get_containing_block();
$line = $p->get_current_line_box();
// Skip the page break if in a fixed position element
$is_fixed = false;
while ($f = $f->get_parent()) {
if ($f->get_style()->position === "fixed") {
$is_fixed = true;
break;
}
}
$f = $frame;
if (!$is_fixed && $f->get_parent() && $f->get_parent() instanceof InlineFrameDecorator && $f->is_text_node()) {
$min_max = $f->get_reflower()->get_min_max_width();
// If the frame doesn't fit in the current line, a line break occurs
if ($min_max["min"] > $cb["w"] - $line->left - $line->w - $line->right) {
$p->add_line();
}
}
$f->set_position($cb["x"] + $line->w, $line->y);
}
function position(AbstractFrameDecorator $frame)
{
// Bullets & friends are positioned an absolute distance to the left of
// the content edge of their parent element
$cb = $frame->get_containing_block();
// Note: this differs from most frames in that we must position
// ourselves after determining our width
$x = $cb["x"] - $frame->get_width();
$p = $frame->find_block_parent();
$y = $p->get_current_line_box()->y;
// This is a bit of a hack...
$n = $frame->get_next_sibling();
if ($n) {
$style = $n->get_style();
$line_height = $style->length_in_pt($style->line_height, $style->get_font_size());
$offset = $style->length_in_pt($line_height, $n->get_containing_block("h")) - $frame->get_height();
$y += $offset / 2;
}
// Now the position is the left top of the block which should be marked with the bullet.
// We tried to find out the y of the start of the first text character within the block.
// But the top margin/padding does not fit, neither from this nor from the next sibling
// The "bit of a hack" above does not work also.
// Instead let's position the bullet vertically centered to the block which should be marked.
// But for get_next_sibling() the get_containing_block is all zero, and for find_block_parent()
// the get_containing_block is paper width and the entire list as height.
// if ($p) {
// //$cb = $n->get_containing_block();
// $cb = $p->get_containing_block();
// $y += $cb["h"]/2;
// print 'cb:'.$cb["x"].':'.$cb["y"].':'.$cb["w"].':'.$cb["h"].':';
// }
// Todo:
// For now give up on the above. Use Guesswork with font y-pos in the middle of the line spacing
/*$style = $p->get_style();
$font_size = $style->get_font_size();
$line_height = $style->length_in_pt($style->line_height, $font_size);
$y += ($line_height - $font_size) / 2; */
//Position is x-end y-top of character position of the bullet.
$frame->set_position($x, $y);
}
/**
* Override split() to remove all child rows and this element from the cellmap
*
* @param Frame $child
* @param bool $force_pagebreak
*
* @return void
*/
function split(Frame $child = null, $force_pagebreak = false)
{
if (is_null($child)) {
parent::split();
return;
}
// Remove child & all subsequent rows from the cellmap
$cellmap = $this->get_parent()->get_cellmap();
$iter = $child;
while ($iter) {
$cellmap->remove_row($iter);
$iter = $iter->get_next_sibling();
}
// If we are splitting at the first child remove the
// table-row-group from the cellmap as well
if ($child === $this->get_first_child()) {
$cellmap->remove_row_group($this);
parent::split();
return;
}
$cellmap->update_row_group($this, $child->get_prev_sibling());
parent::split($child);
}
/**
* Return a copy of this frame with $node as its node
*
* @param DOMNode $node
*
* @return Frame
*/
public function copy(DOMNode $node)
{
$deco = parent::copy($node);
// In order to keep columns' widths through pages
$deco->_cellmap->set_columns($this->_cellmap->get_columns());
$deco->_cellmap->lock_columns();
return $deco;
}
protected function _render_outline(AbstractFrameDecorator $frame, $border_box = null, $corner_style = "bevel")
{
$style = $frame->get_style();
$props = array("width" => $style->outline_width, "style" => $style->outline_style, "color" => $style->outline_color);
if (!$props["style"] || $props["style"] === "none" || $props["width"] <= 0) {
return;
}
if (empty($border_box)) {
$border_box = $frame->get_border_box();
}
$offset = $style->length_in_pt($props["width"]);
$pattern = $this->_get_dash_pattern($props["style"], $offset);
// If the outline style is "solid" we'd better draw a rectangle
if (in_array($props["style"], array("solid", "dashed", "dotted"))) {
$border_box[0] -= $offset / 2;
$border_box[1] -= $offset / 2;
$border_box[2] += $offset;
$border_box[3] += $offset;
list($x, $y, $w, $h) = $border_box;
$this->_canvas->rectangle($x, $y, $w, $h, $props["color"], $offset, $pattern);
return;
}
$border_box[0] -= $offset;
$border_box[1] -= $offset;
$border_box[2] += $offset * 2;
$border_box[3] += $offset * 2;
$method = "_border_" . $props["style"];
$widths = array_fill(0, 4, $props["width"]);
$sides = array("top", "right", "left", "bottom");
$length = 0;
foreach ($sides as $side) {
list($x, $y, $w, $h) = $border_box;
switch ($side) {
case "top":
$length = $w;
break;
case "bottom":
$length = $w;
$y += $h;
break;
case "left":
$length = $h;
break;
case "right":
$length = $h;
$x += $w;
break;
default:
break;
}
$this->{$method}($x, $y, $length, $props["color"], $widths, $side, $corner_style);
}
}
function __construct(Frame $frame, Dompdf $dompdf)
{
parent::__construct($frame, $dompdf);
}
function reset()
{
parent::reset();
$this->_text_spacing = null;
}
function position(AbstractFrameDecorator $frame)
{
$style = $frame->get_style();
$p = $frame->find_positionned_parent();
list($x, $y, $w, $h) = $frame->get_containing_block();
$top = $style->length_in_pt($style->top, $h);
$right = $style->length_in_pt($style->right, $w);
$bottom = $style->length_in_pt($style->bottom, $h);
$left = $style->length_in_pt($style->left, $w);
if ($p && !($left === "auto" && $right === "auto")) {
// Get the parent's padding box (see http://www.w3.org/TR/CSS21/visuren.html#propdef-top)
list($x, $y, $w, $h) = $p->get_padding_box();
}
list($width, $height) = array($frame->get_margin_width(), $frame->get_margin_height());
$orig_style = $frame->get_original_style();
$orig_width = $orig_style->width;
$orig_height = $orig_style->height;
/****************************
*
* Width auto:
* ____________| left=auto | left=fixed |
* right=auto | A | B |
* right=fixed | C | D |
*
* Width fixed:
* ____________| left=auto | left=fixed |
* right=auto | E | F |
* right=fixed | G | H |
*****************************/
if ($left === "auto") {
if ($right === "auto") {
// A or E - Keep the frame at the same position
$x = $x + $frame->find_block_parent()->get_current_line_box()->w;
} else {
if ($orig_width === "auto") {
// C
$x += $w - $width - $right;
} else {
// G
$x += $w - $width - $right;
}
}
} else {
if ($right === "auto") {
// B or F
$x += $left;
} else {
if ($orig_width === "auto") {
// D - TODO change width
$x += $left;
} else {
// H - Everything is fixed: left + width win
$x += $left;
}
}
}
// The same vertically
if ($top === "auto") {
if ($bottom === "auto") {
// A or E - Keep the frame at the same position
$y = $frame->find_block_parent()->get_current_line_box()->y;
} else {
if ($orig_height === "auto") {
// C
$y += $h - $height - $bottom;
} else {
// G
$y += $h - $height - $bottom;
}
}
} else {
if ($bottom === "auto") {
// B or F
$y += $top;
} else {
if ($orig_height === "auto") {
// D - TODO change height
$y += $top;
} else {
// H - Everything is fixed: top + height win
$y += $top;
}
}
}
$frame->set_position($x, $y);
}
/**
* Set the frame's containing block. Overridden to set $this->_bottom_page_margin.
*
* @param float $x
* @param float $y
* @param float $w
* @param float $h
*/
function set_containing_block($x = null, $y = null, $w = null, $h = null)
{
parent::set_containing_block($x, $y, $w, $h);
//$w = $this->get_containing_block("w");
if (isset($h)) {
$this->_bottom_page_margin = $h;
}
// - $this->_frame->get_style()->length_in_pt($this->_frame->get_style()->margin_bottom, $w);
}
function reset()
{
parent::reset();
$this->_line_boxes = array(new LineBox($this));
$this->_cl = 0;
}
/**
* @return string
*/
public function __toString()
{
// Skip empty text frames
// if ( $this->is_text_node() &&
// preg_replace("/\s/", "", $this->_node->data) === "" )
// return "";
$str = "<b>" . $this->_node->nodeName . ":</b><br/>";
//$str .= spl_object_hash($this->_node) . "<br/>";
$str .= "Id: " . $this->get_id() . "<br/>";
$str .= "Class: " . get_class($this) . "<br/>";
if ($this->is_text_node()) {
$tmp = htmlspecialchars($this->_node->nodeValue);
$str .= "<pre>'" . mb_substr($tmp, 0, 70) . (mb_strlen($tmp) > 70 ? "..." : "") . "'</pre>";
} elseif ($css_class = $this->_node->getAttribute("class")) {
$str .= "CSS class: '{$css_class}'<br/>";
}
if ($this->_parent) {
$str .= "\nParent:" . $this->_parent->_node->nodeName . " (" . spl_object_hash($this->_parent->_node) . ") " . "<br/>";
}
if ($this->_prev_sibling) {
$str .= "Prev: " . $this->_prev_sibling->_node->nodeName . " (" . spl_object_hash($this->_prev_sibling->_node) . ") " . "<br/>";
}
if ($this->_next_sibling) {
$str .= "Next: " . $this->_next_sibling->_node->nodeName . " (" . spl_object_hash($this->_next_sibling->_node) . ") " . "<br/>";
}
$d = $this->get_decorator();
while ($d && $d != $d->get_decorator()) {
$str .= "Decorator: " . get_class($d) . "<br/>";
$d = $d->get_decorator();
}
$str .= "Position: " . Helpers::pre_r($this->_position, true);
$str .= "\nContaining block: " . Helpers::pre_r($this->_containing_block, true);
$str .= "\nMargin width: " . Helpers::pre_r($this->get_margin_width(), true);
$str .= "\nMargin height: " . Helpers::pre_r($this->get_margin_height(), true);
$str .= "\nStyle: <pre>" . $this->_style->__toString() . "</pre>";
if ($this->_decorator instanceof FrameDecorator\Block) {
$str .= "Lines:<pre>";
foreach ($this->_decorator->get_line_boxes() as $line) {
foreach ($line->get_frames() as $frame) {
if ($frame instanceof FrameDecorator\Text) {
$str .= "\ntext: ";
$str .= "'" . htmlspecialchars($frame->get_text()) . "'";
} else {
$str .= "\nBlock: " . $frame->get_node()->nodeName . " (" . spl_object_hash($frame->get_node()) . ")";
}
}
$str .= "\ny => " . $line->y . "\n" . "w => " . $line->w . "\n" . "h => " . $line->h . "\n" . "left => " . $line->left . "\n" . "right => " . $line->right . "\n";
}
$str .= "</pre>";
}
$str .= "\n";
if (php_sapi_name() === "cli") {
$str = strip_tags(str_replace(array("<br/>", "<b>", "</b>"), array("\n", "", ""), $str));
}
return $str;
}
