function reflow(BlockFrameDecorator $block = null) { $this->_frame->position(); //FLOAT //$frame = $this->_frame; //$page = $frame->get_root(); //if ($frame->get_style()->float !== "none" ) { // $page->add_floating_frame($this); //} // Set the frame's width $this->get_min_max_width(); if ($block) { $block->add_frame_to_line($this->_frame); } }
function reset() { parent::reset(); $this->_resolved_borders = array(); $this->_content_height = 0; $this->_frame->reset(); }
function reflow(BlockFrameDecorator $block = null) { $frame = $this->_frame; // Check if a page break is forced $page = $frame->get_root(); $page->check_forced_page_break($frame); if ($page->is_full()) { return; } $style = $frame->get_style(); // Generated content $this->_set_content(); $frame->position(); $cb = $frame->get_containing_block(); // Add our margin, padding & border to the first and last children if (($f = $frame->get_first_child()) && $f instanceof TextFrameDecorator) { $f_style = $f->get_style(); $f_style->margin_left = $style->margin_left; $f_style->padding_left = $style->padding_left; $f_style->border_left = $style->border_left; } if (($l = $frame->get_last_child()) && $l instanceof TextFrameDecorator) { $l_style = $l->get_style(); $l_style->margin_right = $style->margin_right; $l_style->padding_right = $style->padding_right; $l_style->border_right = $style->border_right; } if ($block) { $block->add_frame_to_line($this->_frame); } // Set the containing blocks and reflow each child. The containing // block is not changed by line boxes. foreach ($frame->get_children() as $child) { $child->set_containing_block($cb); $child->reflow($block); } }
function get_float_offsets() { $enable_css_float = $this->_block_frame->get_dompdf()->get_option("enable_css_float"); if (!$enable_css_float) { return; } static $anti_infinite_loop = 500; // FIXME smelly hack $reflower = $this->_block_frame->get_reflower(); if (!$reflower) { return; } $cb_w = null; $block = $this->_block_frame; $root = $block->get_root(); if (!$root) { return; } $floating_frames = $this->get_floats_inside($root); foreach ($floating_frames as $child_key => $floating_frame) { $id = $floating_frame->get_id(); if (isset($this->floating_blocks[$id])) { continue; } $floating_style = $floating_frame->get_style(); $float = $floating_style->float; $floating_width = $floating_frame->get_margin_width(); if (!$cb_w) { $cb_w = $floating_frame->get_containing_block("w"); } $line_w = $this->get_width(); if (!$floating_frame->_float_next_line && $cb_w <= $line_w + $floating_width && $cb_w > $line_w) { $floating_frame->_float_next_line = true; continue; } // If the child is still shifted by the floating element if ($anti_infinite_loop-- > 0 && $floating_frame->get_position("y") + $floating_frame->get_margin_height() > $this->y && $block->get_position("x") + $block->get_margin_width() > $floating_frame->get_position("x")) { if ($float === "left") { $this->left += $floating_width; } else { $this->right += $floating_width; } $this->floating_blocks[$id] = true; } else { $root->remove_floating_frame($child_key); } } }
/** * Determine current frame width based on contents * * @return float */ public function calculate_auto_width() { $width = 0; foreach ($this->_frame->get_line_boxes() as $line) { $line_width = 0; foreach ($line->get_frames() as $frame) { if ($frame->get_original_style()->width == 'auto') { $line_width += $frame->calculate_auto_width(); } else { $line_width += $frame->get_margin_width(); } } $width = max($line_width, $width); } $this->_frame->get_style()->width = $width; return $this->_frame->get_margin_width(); }
function reflow(BlockFrameDecorator $block = null) { $frame = $this->_frame; $page = $frame->get_root(); $page->check_forced_page_break($this->_frame); if ($page->is_full()) { return; } $this->_block_parent = $frame->find_block_parent(); // Left trim the text if this is the first text on the line and we're // collapsing white space // if ( $this->_block_parent->get_current_line()->w == 0 && // ($frame->get_style()->white_space !== "pre" || // $frame->get_style()->white_space !== "pre-wrap") ) { // $frame->set_text( ltrim( $frame->get_text() ) ); // } $frame->position(); $this->_layout_line(); if ($block) { $block->add_frame_to_line($frame); } }
/** * @param BlockFrameDecorator $block */ function reflow(BlockFrameDecorator $block = null) { // Check if a page break is forced $page = $this->_frame->get_root(); $page->check_forced_page_break($this->_frame); // Bail if the page is full if ($page->is_full()) { return; } // Generated content $this->_set_content(); // Collapse margins if required $this->_collapse_margins(); $style = $this->_frame->get_style(); $cb = $this->_frame->get_containing_block(); if ($style->position === "fixed") { $cb = $this->_frame->get_root()->get_containing_block(); } // Determine the constraints imposed by this frame: calculate the width // of the content area: list($w, $left_margin, $right_margin, $left, $right) = $this->_calculate_restricted_width(); // Store the calculated properties $style->width = $w . "pt"; $style->margin_left = $left_margin . "pt"; $style->margin_right = $right_margin . "pt"; $style->left = $left . "pt"; $style->right = $right . "pt"; // Update the position $this->_frame->position(); list($x, $y) = $this->_frame->get_position(); // Adjust the first line based on the text-indent property $indent = $style->length_in_pt($style->text_indent, $cb["w"]); $this->_frame->increase_line_width($indent); // Determine the content edge $top = $style->length_in_pt(array($style->margin_top, $style->padding_top, $style->border_top_width), $cb["h"]); $bottom = $style->length_in_pt(array($style->border_bottom_width, $style->margin_bottom, $style->padding_bottom), $cb["h"]); $cb_x = $x + $left_margin + $style->length_in_pt(array($style->border_left_width, $style->padding_left), $cb["w"]); $cb_y = $y + $top; $cb_h = $cb["h"] + $cb["y"] - $bottom - $cb_y; // Set the y position of the first line in this block $line_box = $this->_frame->get_current_line_box(); $line_box->y = $cb_y; $line_box->get_float_offsets(); // Set the containing blocks and reflow each child foreach ($this->_frame->get_children() as $child) { // Bail out if the page is full if ($page->is_full()) { break; } $child->set_containing_block($cb_x, $cb_y, $w, $cb_h); $this->process_clear($child); $child->reflow($this->_frame); // Don't add the child to the line if a page break has occurred if ($page->check_page_break($child)) { break; } $this->process_float($child, $cb_x, $w); } // Determine our height list($height, $margin_top, $margin_bottom, $top, $bottom) = $this->_calculate_restricted_height(); $style->height = $height; $style->margin_top = $margin_top; $style->margin_bottom = $margin_bottom; $style->top = $top; $style->bottom = $bottom; $needs_reposition = $style->position === "absolute" && ($style->right !== "auto" || $style->bottom !== "auto"); // Absolute positioning measurement if ($needs_reposition) { $orig_style = $this->_frame->get_original_style(); if ($orig_style->width === "auto" && ($orig_style->left === "auto" || $orig_style->right === "auto")) { $width = 0; foreach ($this->_frame->get_line_boxes() as $line) { $width = max($line->w, $width); } $style->width = $width; } $style->left = $orig_style->left; $style->right = $orig_style->right; } $this->_text_align(); $this->vertical_align(); // Absolute positioning if ($needs_reposition) { list($x, $y) = $this->_frame->get_position(); $this->_frame->position(); list($new_x, $new_y) = $this->_frame->get_position(); $this->_frame->move($new_x - $x, $new_y - $y, true); } if ($block && $this->_frame->is_in_flow()) { $block->add_frame_to_line($this->_frame); // May be inline-block if ($style->display === "block") { $block->add_line(); } } }
/** * @param BlockFrameDecorator $block */ function reflow(BlockFrameDecorator $block = null) { /** @var TableFrameDecorator */ $frame = $this->_frame; // Check if a page break is forced $page = $frame->get_root(); $page->check_forced_page_break($frame); // Bail if the page is full if ($page->is_full()) { return; } // Let the page know that we're reflowing a table so that splits // are suppressed (simply setting page-break-inside: avoid won't // work because we may have an arbitrary number of block elements // inside tds.) $page->table_reflow_start(); // Collapse vertical margins, if required $this->_collapse_margins(); $frame->position(); // Table layout algorithm: // http://www.w3.org/TR/CSS21/tables.html#auto-table-layout if (is_null($this->_state)) { $this->get_min_max_width(); } $cb = $frame->get_containing_block(); $style = $frame->get_style(); // This is slightly inexact, but should be okay. Add half the // border-spacing to the table as padding. The other half is added to // the cells themselves. if ($style->border_collapse === "separate") { list($h, $v) = $style->border_spacing; $v = $style->length_in_pt($v) / 2; $h = $style->length_in_pt($h) / 2; $style->padding_left = $style->length_in_pt($style->padding_left, $cb["w"]) + $h; $style->padding_right = $style->length_in_pt($style->padding_right, $cb["w"]) + $h; $style->padding_top = $style->length_in_pt($style->padding_top, $cb["h"]) + $v; $style->padding_bottom = $style->length_in_pt($style->padding_bottom, $cb["h"]) + $v; } $this->_assign_widths(); // Adjust left & right margins, if they are auto $width = $style->width; $left = $style->margin_left; $right = $style->margin_right; $diff = $cb["w"] - $width; if ($left === "auto" && $right === "auto") { if ($diff < 0) { $left = 0; $right = $diff; } else { $left = $right = $diff / 2; } $style->margin_left = "{$left} pt"; $style->margin_right = "{$right} pt"; } else { if ($left === "auto") { $left = $style->length_in_pt($cb["w"] - $right - $width, $cb["w"]); } if ($right === "auto") { $left = $style->length_in_pt($left, $cb["w"]); } } list($x, $y) = $frame->get_position(); // Determine the content edge $content_x = $x + $left + $style->length_in_pt(array($style->padding_left, $style->border_left_width), $cb["w"]); $content_y = $y + $style->length_in_pt(array($style->margin_top, $style->border_top_width, $style->padding_top), $cb["h"]); if (isset($cb["h"])) { $h = $cb["h"]; } else { $h = null; } $cellmap = $frame->get_cellmap(); $col =& $cellmap->get_column(0); $col["x"] = $content_x; $row =& $cellmap->get_row(0); $row["y"] = $content_y; $cellmap->assign_x_positions(); // Set the containing block of each child & reflow foreach ($frame->get_children() as $child) { // Bail if the page is full if (!$page->in_nested_table() && $page->is_full()) { break; } $child->set_containing_block($content_x, $content_y, $width, $h); $child->reflow(); if (!$page->in_nested_table()) { // Check if a split has occured $page->check_page_break($child); } } // Assign heights to our cells: $style->height = $this->_calculate_height(); if ($style->border_collapse === "collapse") { // Unset our borders because our cells are now using them $style->border_style = "none"; } $page->table_reflow_end(); // Debugging: //echo ($this->_frame->get_cellmap()); if ($block && $style->float === "none" && $frame->is_in_flow()) { $block->add_frame_to_line($frame); $block->add_line(); } }