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Edit File : Cellmap.php \| Size : 23.03 KB
<?php /** * @package dompdf * @link http://dompdf.github.com/ * @author Benj Carson <benjcarson@digitaljunkies.ca> * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License / namespace Dompdf; use Dompdf\FrameDecorator\Table as TableFrameDecorator; use Dompdf\FrameDecorator\TableCell as TableCellFrameDecorator; /* * Maps table cells to the table grid. * * This class resolves borders in tables with collapsed borders and helps * place row & column spanned table cells. * * @package dompdf / class Cellmap { /* * Border style weight lookup for collapsed border resolution. * * @var array / protected static $_BORDER_STYLE_SCORE = [ "inset" => 1, "groove" => 2, "outset" => 3, "ridge" => 4, "dotted" => 5, "dashed" => 6, "solid" => 7, "double" => 8, "hidden" => 9, "none" => 0, ]; /* * The table object this cellmap is attached to. * * @var TableFrameDecorator / protected $_table; /* * The total number of rows in the table * * @var int / protected $_num_rows; /* * The total number of columns in the table * * @var int / protected $_num_cols; /* * 2D array mapping <row,column> to frames * * @var Frame[][] / protected $_cells; /* * 1D array of column dimensions * * @var array / protected $_columns; /* * 1D array of row dimensions * * @var array / protected $_rows; /* * 2D array of border specs * * @var array / protected $_borders; /* * 1D Array mapping frames to (multiple) <row, col> pairs, keyed on frame_id. * * @var Frame[] / protected $_frames; /* * Current column when adding cells, 0-based * * @var int / private $__col; /* * Current row when adding cells, 0-based * * @var int / private $__row; /* * Tells whether the columns' width can be modified * * @var bool / private $_columns_locked = false; /* * Tells whether the table has table-layout:fixed * * @var bool / private $_fixed_layout = false; /* * @param TableFrameDecorator $table / public function __construct(TableFrameDecorator $table) { $this->_table = $table; $this->reset(); } /* * / public function reset() { $this->_num_rows = 0; $this->_num_cols = 0; $this->_cells = []; $this->_frames = []; if (!$this->_columns_locked) { $this->_columns = []; } $this->_rows = []; $this->_borders = []; $this->__col = $this->__row = 0; } /* * / public function lock_columns() { $this->_columns_locked = true; } /* * @return bool / public function is_columns_locked() { return $this->_columns_locked; } /* * @param $fixed / public function set_layout_fixed($fixed) { $this->_fixed_layout = $fixed; } /* * @return bool / public function is_layout_fixed() { return $this->_fixed_layout; } /* * @return int / public function get_num_rows() { return $this->_num_rows; } /* * @return int / public function get_num_cols() { return $this->_num_cols; } /* * @return array / public function &get_columns() { return $this->_columns; } /* * @param $columns / public function set_columns($columns) { $this->_columns = $columns; } /* * @param int $i * * @return mixed / public function &get_column($i) { if (!isset($this->_columns[$i])) { $this->_columns[$i] = [ "x" => 0, "min-width" => 0, "max-width" => 0, "used-width" => null, "absolute" => 0, "percent" => 0, "auto" => true, ]; } return $this->_columns[$i]; } /* * @return array / public function &get_rows() { return $this->_rows; } /* * @param int $j * * @return mixed / public function &get_row($j) { if (!isset($this->_rows[$j])) { $this->_rows[$j] = [ "y" => 0, "first-column" => 0, "height" => null, ]; } return $this->_rows[$j]; } /* * @param int $i * @param int $j * @param mixed $h_v * @param null\|mixed $prop * * @return mixed / public function get_border($i, $j, $h_v, $prop = null) { if (!isset($this->_borders[$i][$j][$h_v])) { $this->_borders[$i][$j][$h_v] = [ "width" => 0, "style" => "solid", "color" => "black", ]; } if (isset($prop)) { return $this->_borders[$i][$j][$h_v][$prop]; } return $this->_borders[$i][$j][$h_v]; } /* * @param int $i * @param int $j * * @return array / public function get_border_properties($i, $j) { return [ "top" => $this->get_border($i, $j, "horizontal"), "right" => $this->get_border($i, $j + 1, "vertical"), "bottom" => $this->get_border($i + 1, $j, "horizontal"), "left" => $this->get_border($i, $j, "vertical"), ]; } /* * @param Frame $frame * * @return null\|Frame / public function get_spanned_cells(Frame $frame) { $key = $frame->get_id(); if (isset($this->_frames[$key])) { return $this->_frames[$key]; } return null; } /* * @param Frame $frame * * @return bool / public function frame_exists_in_cellmap(Frame $frame) { $key = $frame->get_id(); return isset($this->_frames[$key]); } /* * @param Frame $frame * * @return array * @throws Exception / public function get_frame_position(Frame $frame) { global $_dompdf_warnings; $key = $frame->get_id(); if (!isset($this->_frames[$key])) { throw new Exception("Frame not found in cellmap"); } $col = $this->_frames[$key]["columns"][0]; $row = $this->_frames[$key]["rows"][0]; if (!isset($this->_columns[$col])) { $_dompdf_warnings[] = "Frame not found in columns array. Check your table layout for missing or extra TDs."; $x = 0; } else { $x = $this->_columns[$col]["x"]; } if (!isset($this->_rows[$row])) { $_dompdf_warnings[] = "Frame not found in row array. Check your table layout for missing or extra TDs."; $y = 0; } else { $y = $this->_rows[$row]["y"]; } return [$x, $y, "x" => $x, "y" => $y]; } /* * @param Frame $frame * * @return int * @throws Exception / public function get_frame_width(Frame $frame) { $key = $frame->get_id(); if (!isset($this->_frames[$key])) { throw new Exception("Frame not found in cellmap"); } $cols = $this->_frames[$key]["columns"]; $w = 0; foreach ($cols as $i) { $w += $this->_columns[$i]["used-width"]; } return $w; } /* * @param Frame $frame * * @return int * @throws Exception * @throws Exception / public function get_frame_height(Frame $frame) { $key = $frame->get_id(); if (!isset($this->_frames[$key])) { throw new Exception("Frame not found in cellmap"); } $rows = $this->_frames[$key]["rows"]; $h = 0; foreach ($rows as $i) { if (!isset($this->_rows[$i])) { throw new Exception("The row #$i could not be found, please file an issue in the tracker with the HTML code"); } $h += $this->_rows[$i]["height"]; } return $h; } /* * @param int $j * @param mixed $width / public function set_column_width($j, $width) { if ($this->_columns_locked) { return; } $col =& $this->get_column($j); $col["used-width"] = $width; $next_col =& $this->get_column($j + 1); $next_col["x"] = $next_col["x"] + $width; } /* * @param int $i * @param mixed $height / public function set_row_height($i, $height) { $row =& $this->get_row($i); if ($row["height"] !== null && $height <= $row["height"]) { return; } $row["height"] = $height; $next_row =& $this->get_row($i + 1); $next_row["y"] = $row["y"] + $height; } /* * @param int $i * @param int $j * @param mixed $h_v * @param mixed $border_spec * * @return mixed / protected function _resolve_border($i, $j, $h_v, $border_spec) { $n_width = $border_spec["width"]; $n_style = $border_spec["style"]; if (!isset($this->_borders[$i][$j][$h_v])) { $this->_borders[$i][$j][$h_v] = $border_spec; return $this->_borders[$i][$j][$h_v]["width"]; } $border = & $this->_borders[$i][$j][$h_v]; $o_width = $border["width"]; $o_style = $border["style"]; if (($n_style === "hidden" \|\| $n_width > $o_width \|\| $o_style === "none") or ($o_width == $n_width && in_array($n_style, self::$_BORDER_STYLE_SCORE) && self::$_BORDER_STYLE_SCORE[$n_style] > self::$_BORDER_STYLE_SCORE[$o_style]) ) { $border = $border_spec; } return $border["width"]; } /* * @param Frame $frame / public function add_frame(Frame $frame) { $style = $frame->get_style(); $display = $style->display; $collapse = $this->_table->get_style()->border_collapse == "collapse"; // Recursively add the frames within tables, table-row-groups and table-rows if ($display === "table-row" \|\| $display === "table" \|\| $display === "inline-table" \|\| in_array($display, TableFrameDecorator::$ROW_GROUPS) ) { $start_row = $this->__row; foreach ($frame->get_children() as $child) { // Ignore all Text frames and :before/:after pseudo-selector elements. if (!($child instanceof FrameDecorator\Text) && $child->get_node()->nodeName !== 'dompdf_generated') { $this->add_frame($child); } } if ($display === "table-row") { $this->add_row(); } $num_rows = $this->__row - $start_row - 1; $key = $frame->get_id(); // Row groups always span across the entire table $this->_frames[$key]["columns"] = range(0, max(0, $this->_num_cols - 1)); $this->_frames[$key]["rows"] = range($start_row, max(0, $this->__row - 1)); $this->_frames[$key]["frame"] = $frame; if ($display !== "table-row" && $collapse) { $bp = $style->get_border_properties(); // Resolve the borders for ($i = 0; $i < $num_rows + 1; $i++) { $this->_resolve_border($start_row + $i, 0, "vertical", $bp["left"]); $this->_resolve_border($start_row + $i, $this->_num_cols, "vertical", $bp["right"]); } for ($j = 0; $j < $this->_num_cols; $j++) { $this->_resolve_border($start_row, $j, "horizontal", $bp["top"]); $this->_resolve_border($this->__row, $j, "horizontal", $bp["bottom"]); } } return; } $node = $frame->get_node(); // Determine where this cell is going $colspan = $node->getAttribute("colspan"); $rowspan = $node->getAttribute("rowspan"); if (!$colspan) { $colspan = 1; $node->setAttribute("colspan", 1); } if (!$rowspan) { $rowspan = 1; $node->setAttribute("rowspan", 1); } $key = $frame->get_id(); $bp = $style->get_border_properties(); // Add the frame to the cellmap $max_left = $max_right = 0; // Find the next available column (fix by Ciro Mondueri) $ac = $this->__col; while (isset($this->_cells[$this->__row][$ac])) { $ac++; } $this->__col = $ac; // Rows: for ($i = 0; $i < $rowspan; $i++) { $row = $this->__row + $i; $this->_frames[$key]["rows"][] = $row; for ($j = 0; $j < $colspan; $j++) { $this->_cells[$row][$this->__col + $j] = $frame; } if ($collapse) { // Resolve vertical borders $max_left = max($max_left, $this->_resolve_border($row, $this->__col, "vertical", $bp["left"])); $max_right = max($max_right, $this->_resolve_border($row, $this->__col + $colspan, "vertical", $bp["right"])); } } $max_top = $max_bottom = 0; // Columns: for ($j = 0; $j < $colspan; $j++) { $col = $this->__col + $j; $this->_frames[$key]["columns"][] = $col; if ($collapse) { // Resolve horizontal borders $max_top = max($max_top, $this->_resolve_border($this->__row, $col, "horizontal", $bp["top"])); $max_bottom = max($max_bottom, $this->_resolve_border($this->__row + $rowspan, $col, "horizontal", $bp["bottom"])); } } $this->_frames[$key]["frame"] = $frame; // Handle seperated border model if (!$collapse) { list($h, $v) = $this->_table->get_style()->border_spacing; // Border spacing is effectively a margin between cells $v = $style->length_in_pt($v); if (is_numeric($v)) { $v = $v / 2; } $h = $style->length_in_pt($h); if (is_numeric($h)) { $h = $h / 2; } $style->margin = "$v $h"; // The additional 1/2 width gets added to the table proper } else { // Drop the frame's actual border $style->border_left_width = $max_left / 2; $style->border_right_width = $max_right / 2; $style->border_top_width = $max_top / 2; $style->border_bottom_width = $max_bottom / 2; $style->margin = "none"; } if (!$this->_columns_locked) { // Resolve the frame's width if ($this->_fixed_layout) { list($frame_min, $frame_max) = [0, 10e-10]; } else { list($frame_min, $frame_max) = $frame->get_min_max_width(); } $width = $style->width; $val = null; if (Helpers::is_percent($width)) { $var = "percent"; $val = (float)rtrim($width, "% ") / $colspan; } else if ($width !== "auto") { $var = "absolute"; $val = $style->length_in_pt($frame_min) / $colspan; } $min = 0; $max = 0; for ($cs = 0; $cs < $colspan; $cs++) { // Resolve the frame's width(s) with other cells $col =& $this->get_column($this->__col + $cs); // Note: $var is either 'percent' or 'absolute'. We compare the // requested percentage or absolute values with the existing widths // and adjust accordingly. if (isset($var) && $val > $col[$var]) { $col[$var] = $val; $col["auto"] = false; } $min += $col["min-width"]; $max += $col["max-width"]; } if ($frame_min > $min) { // The frame needs more space. Expand each sub-column // FIXME try to avoid putting this dummy value when table-layout:fixed $inc = ($this->is_layout_fixed() ? 10e-10 : ($frame_min - $min) / $colspan); for ($c = 0; $c < $colspan; $c++) { $col =& $this->get_column($this->__col + $c); $col["min-width"] += $inc; } } if ($frame_max > $max) { // FIXME try to avoid putting this dummy value when table-layout:fixed $inc = ($this->is_layout_fixed() ? 10e-10 : ($frame_max - $max) / $colspan); for ($c = 0; $c < $colspan; $c++) { $col =& $this->get_column($this->__col + $c); $col["max-width"] += $inc; } } } $this->__col += $colspan; if ($this->__col > $this->_num_cols) { $this->_num_cols = $this->__col; } } /* * / public function add_row() { $this->__row++; $this->_num_rows++; // Find the next available column $i = 0; while (isset($this->_cells[$this->__row][$i])) { $i++; } $this->__col = $i; } /* * Remove a row from the cellmap. * * @param Frame / public function remove_row(Frame $row) { $key = $row->get_id(); if (!isset($this->_frames[$key])) { return; // Presumably this row has alredy been removed } $this->__row = $this->_num_rows--; $rows = $this->_frames[$key]["rows"]; $columns = $this->_frames[$key]["columns"]; // Remove all frames from this row foreach ($rows as $r) { foreach ($columns as $c) { if (isset($this->_cells[$r][$c])) { $id = $this->_cells[$r][$c]->get_id(); $this->_cells[$r][$c] = null; unset($this->_cells[$r][$c]); // has multiple rows? if (isset($this->_frames[$id]) && count($this->_frames[$id]["rows"]) > 1) { // remove just the desired row, but leave the frame if (($row_key = array_search($r, $this->_frames[$id]["rows"])) !== false) { unset($this->_frames[$id]["rows"][$row_key]); } continue; } $this->_frames[$id] = null; unset($this->_frames[$id]); } } $this->_rows[$r] = null; unset($this->_rows[$r]); } $this->_frames[$key] = null; unset($this->_frames[$key]); } /* * Remove a row group from the cellmap. * * @param Frame $group The group to remove / public function remove_row_group(Frame $group) { $key = $group->get_id(); if (!isset($this->_frames[$key])) { return; // Presumably this row has alredy been removed } $iter = $group->get_first_child(); while ($iter) { $this->remove_row($iter); $iter = $iter->get_next_sibling(); } $this->_frames[$key] = null; unset($this->_frames[$key]); } /* * 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 = $this->_frames[$g_key]["rows"]; $this->_frames[$g_key]["rows"] = range($this->_frames[$g_key]["rows"][0], end($r_rows)); } /* * / public function assign_x_positions() { // Pre-condition: widths must be resolved and assigned to columns and // column[0]["x"] must be set. if ($this->_columns_locked) { return; } $x = $this->_columns[0]["x"]; foreach (array_keys($this->_columns) as $j) { $this->_columns[$j]["x"] = $x; $x += $this->_columns[$j]["used-width"]; } } /* * / public function assign_frame_heights() { // Pre-condition: widths and heights of each column & row must be // calcluated foreach ($this->_frames as $arr) { $frame = $arr["frame"]; $h = 0; foreach ($arr["rows"] as $row) { if (!isset($this->_rows[$row])) { // The row has been removed because of a page split, so skip it. continue; } $h += $this->_rows[$row]["height"]; } if ($frame instanceof TableCellFrameDecorator) { $frame->set_cell_height($h); } else { $frame->get_style()->height = $h; } } } /* * Re-adjust frame height if the table height is larger than its content / public function set_frame_heights($table_height, $content_height) { // Distribute the increased height proportionally amongst each row foreach ($this->_frames as $arr) { $frame = $arr["frame"]; $h = 0; foreach ($arr["rows"] as $row) { if (!isset($this->_rows[$row])) { continue; } $h += $this->_rows[$row]["height"]; } if ($content_height > 0) { $new_height = ($h / $content_height) $table_height; } else { $new_height = 0; } if ($frame instanceof TableCellFrameDecorator) { $frame->set_cell_height($new_height); } else { $frame->get_style()->height = $new_height; } } } /** * Used for debugging: * * @return string */ public function __toString() { $str = ""; $str .= "Columns:<br/>"; $str .= Helpers::pre_r($this->_columns, true); $str .= "Rows:<br/>"; $str .= Helpers::pre_r($this->_rows, true); $str .= "Frames:<br/>"; $arr = []; foreach ($this->_frames as $key => $val) { $arr[$key] = ["columns" => $val["columns"], "rows" => $val["rows"]]; } $str .= Helpers::pre_r($arr, true); if (php_sapi_name() == "cli") { $str = strip_tags(str_replace(["<br/>", "<b>", "</b>"], ["\n", chr(27) . "[01;33m", chr(27) . "[0m"], $str)); } return $str; } } Back

Edit File : Cellmap.php | Size : 23.03 KB

<?php
/**
 * @package dompdf
 * @link http://dompdf.github.com/
 * @author Benj Carson <benjcarson@digitaljunkies.ca>
 * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
 */
namespace Dompdf;

use Dompdf\FrameDecorator\Table as TableFrameDecorator;
use Dompdf\FrameDecorator\TableCell as TableCellFrameDecorator;

/**
 * Maps table cells to the table grid.
 *
 * This class resolves borders in tables with collapsed borders and helps
 * place row & column spanned table cells.
 *
 * @package dompdf
 */
class Cellmap
{
    /**
     * Border style weight lookup for collapsed border resolution.
     *
     * @var array
     */
    protected static $_BORDER_STYLE_SCORE = [
        "inset"  => 1,
        "groove" => 2,
        "outset" => 3,
        "ridge"  => 4,
        "dotted" => 5,
        "dashed" => 6,
        "solid"  => 7,
        "double" => 8,
        "hidden" => 9,
        "none"   => 0,
    ];

/**
     * The table object this cellmap is attached to.
     *
     * @var TableFrameDecorator
     */
    protected $_table;

/**
     * The total number of rows in the table
     *
     * @var int
     */
    protected $_num_rows;

/**
     * The total number of columns in the table
     *
     * @var int
     */
    protected $_num_cols;

/**
 * 2D array mapping <row,column> to frames
 *
 * @var Frame[][]
 */
 protected $_cells;

/**
     * 1D array of column dimensions
     *
     * @var array
     */
    protected $_columns;

/**
     * 1D array of row dimensions
     *
     * @var array
     */
    protected $_rows;

/**
     * 2D array of border specs
     *
     * @var array
     */
    protected $_borders;

/**
 * 1D Array mapping frames to (multiple) <row, col> pairs, keyed on frame_id.
 *
 * @var Frame[]
 */
 protected $_frames;

/**
     * Current column when adding cells, 0-based
     *
     * @var int
     */
    private $__col;

/**
     * Current row when adding cells, 0-based
     *
     * @var int
     */
    private $__row;

/**
     * Tells whether the columns' width can be modified
     *
     * @var bool
     */
    private $_columns_locked = false;

/**
     * Tells whether the table has table-layout:fixed
     *
     * @var bool
     */
    private $_fixed_layout = false;

/**
     * @param TableFrameDecorator $table
     */
    public function __construct(TableFrameDecorator $table)
    {
        $this->_table = $table;
        $this->reset();
    }

/**
     *
     */
    public function reset()
    {
        $this->_num_rows = 0;
        $this->_num_cols = 0;

$this->_cells = [];
        $this->_frames = [];

if (!$this->_columns_locked) {
            $this->_columns = [];
        }

$this->_rows = [];

$this->_borders = [];

$this->__col = $this->__row = 0;
    }

/**
     *
     */
    public function lock_columns()
    {
        $this->_columns_locked = true;
    }

/**
     * @return bool
     */
    public function is_columns_locked()
    {
        return $this->_columns_locked;
    }

/**
     * @param $fixed
     */
    public function set_layout_fixed($fixed)
    {
        $this->_fixed_layout = $fixed;
    }

/**
     * @return bool
     */
    public function is_layout_fixed()
    {
        return $this->_fixed_layout;
    }

/**
     * @return int
     */
    public function get_num_rows()
    {
        return $this->_num_rows;
    }

/**
     * @return int
     */
    public function get_num_cols()
    {
        return $this->_num_cols;
    }

/**
     * @return array
     */
    public function &get_columns()
    {
        return $this->_columns;
    }

/**
     * @param $columns
     */
    public function set_columns($columns)
    {
        $this->_columns = $columns;
    }

/**
     * @param int $i
     *
     * @return mixed
     */
    public function &get_column($i)
    {
        if (!isset($this->_columns[$i])) {
            $this->_columns[$i] = [
                "x"          => 0,
                "min-width"  => 0,
                "max-width"  => 0,
                "used-width" => null,
                "absolute"   => 0,
                "percent"    => 0,
                "auto"       => true,
            ];
        }

return $this->_columns[$i];
    }

/**
     * @return array
     */
    public function &get_rows()
    {
        return $this->_rows;
    }

/**
     * @param int $j
     *
     * @return mixed
     */
    public function &get_row($j)
    {
        if (!isset($this->_rows[$j])) {
            $this->_rows[$j] = [
                "y"            => 0,
                "first-column" => 0,
                "height"       => null,
            ];
        }

return $this->_rows[$j];
    }

/**
     * @param int $i
     * @param int $j
     * @param mixed $h_v
     * @param null|mixed $prop
     *
     * @return mixed
     */
    public function get_border($i, $j, $h_v, $prop = null)
    {
        if (!isset($this->_borders[$i][$j][$h_v])) {
            $this->_borders[$i][$j][$h_v] = [
                "width" => 0,
                "style" => "solid",
                "color" => "black",
            ];
        }

if (isset($prop)) {
            return $this->_borders[$i][$j][$h_v][$prop];
        }

return $this->_borders[$i][$j][$h_v];
    }

/**
     * @param int $i
     * @param int $j
     *
     * @return array
     */
    public function get_border_properties($i, $j)
    {
        return [
            "top"    => $this->get_border($i, $j, "horizontal"),
            "right"  => $this->get_border($i, $j + 1, "vertical"),
            "bottom" => $this->get_border($i + 1, $j, "horizontal"),
            "left"   => $this->get_border($i, $j, "vertical"),
        ];
    }

/**
     * @param Frame $frame
     *
     * @return null|Frame
     */
    public function get_spanned_cells(Frame $frame)
    {
        $key = $frame->get_id();

if (isset($this->_frames[$key])) {
            return $this->_frames[$key];
        }

return null;
    }

/**
     * @param Frame $frame
     *
     * @return bool
     */
    public function frame_exists_in_cellmap(Frame $frame)
    {
        $key = $frame->get_id();

return isset($this->_frames[$key]);
    }

/**
     * @param Frame $frame
     *
     * @return array
     * @throws Exception
     */
    public function get_frame_position(Frame $frame)
    {
        global $_dompdf_warnings;

$key = $frame->get_id();

if (!isset($this->_frames[$key])) {
            throw new Exception("Frame not found in cellmap");
        }

$col = $this->_frames[$key]["columns"][0];
        $row = $this->_frames[$key]["rows"][0];

if (!isset($this->_columns[$col])) {
            $_dompdf_warnings[] = "Frame not found in columns array.  Check your table layout for missing or extra TDs.";
            $x = 0;
        } else {
            $x = $this->_columns[$col]["x"];
        }

if (!isset($this->_rows[$row])) {
            $_dompdf_warnings[] = "Frame not found in row array.  Check your table layout for missing or extra TDs.";
            $y = 0;
        } else {
            $y = $this->_rows[$row]["y"];
        }

return [$x, $y, "x" => $x, "y" => $y];
    }

/**
     * @param Frame $frame
     *
     * @return int
     * @throws Exception
     */
    public function get_frame_width(Frame $frame)
    {
        $key = $frame->get_id();

if (!isset($this->_frames[$key])) {
            throw new Exception("Frame not found in cellmap");
        }

$cols = $this->_frames[$key]["columns"];
        $w = 0;
        foreach ($cols as $i) {
            $w += $this->_columns[$i]["used-width"];
        }

return $w;
    }

/**
     * @param Frame $frame
     *
     * @return int
     * @throws Exception
     * @throws Exception
     */
    public function get_frame_height(Frame $frame)
    {
        $key = $frame->get_id();

if (!isset($this->_frames[$key])) {
            throw new Exception("Frame not found in cellmap");
        }

$rows = $this->_frames[$key]["rows"];
        $h = 0;
        foreach ($rows as $i) {
            if (!isset($this->_rows[$i])) {
                throw new Exception("The row #$i could not be found, please file an issue in the tracker with the HTML code");
            }

$h += $this->_rows[$i]["height"];
        }

return $h;
    }

/**
     * @param int $j
     * @param mixed $width
     */
    public function set_column_width($j, $width)
    {
        if ($this->_columns_locked) {
            return;
        }

$col =& $this->get_column($j);
        $col["used-width"] = $width;
        $next_col =& $this->get_column($j + 1);
        $next_col["x"] = $next_col["x"] + $width;
    }

/**
     * @param int $i
     * @param mixed $height
     */
    public function set_row_height($i, $height)
    {
        $row =& $this->get_row($i);

if ($row["height"] !== null && $height <= $row["height"]) {
 return;
 }

$row["height"] = $height;
        $next_row =& $this->get_row($i + 1);
        $next_row["y"] = $row["y"] + $height;
    }

/**
     * @param int $i
     * @param int $j
     * @param mixed $h_v
     * @param mixed $border_spec
     *
     * @return mixed
     */
    protected function _resolve_border($i, $j, $h_v, $border_spec)
    {
        $n_width = $border_spec["width"];
        $n_style = $border_spec["style"];

if (!isset($this->_borders[$i][$j][$h_v])) {
            $this->_borders[$i][$j][$h_v] = $border_spec;

return $this->_borders[$i][$j][$h_v]["width"];
        }

$border = & $this->_borders[$i][$j][$h_v];

$o_width = $border["width"];
        $o_style = $border["style"];

if (($n_style === "hidden" ||
                $n_width > $o_width ||
                $o_style === "none")

($o_width == $n_width &&
                in_array($n_style, self::$_BORDER_STYLE_SCORE) &&
                self::$_BORDER_STYLE_SCORE[$n_style] > self::$_BORDER_STYLE_SCORE[$o_style])
        ) {
            $border = $border_spec;
        }

return $border["width"];
    }

/**
     * @param Frame $frame
     */
    public function add_frame(Frame $frame)
    {
        $style = $frame->get_style();
        $display = $style->display;

$collapse = $this->_table->get_style()->border_collapse == "collapse";

// Recursively add the frames within tables, table-row-groups and table-rows
        if ($display === "table-row" ||
            $display === "table" ||
            $display === "inline-table" ||
            in_array($display, TableFrameDecorator::$ROW_GROUPS)
        ) {
            $start_row = $this->__row;
            foreach ($frame->get_children() as $child) {
                // Ignore all Text frames and :before/:after pseudo-selector elements.
                if (!($child instanceof FrameDecorator\Text) && $child->get_node()->nodeName !== 'dompdf_generated') {
                    $this->add_frame($child);
                }
            }

if ($display === "table-row") {
                $this->add_row();
            }

$num_rows = $this->__row - $start_row - 1;
            $key = $frame->get_id();

// Row groups always span across the entire table
            $this->_frames[$key]["columns"] = range(0, max(0, $this->_num_cols - 1));
            $this->_frames[$key]["rows"] = range($start_row, max(0, $this->__row - 1));
            $this->_frames[$key]["frame"] = $frame;

if ($display !== "table-row" && $collapse) {
                $bp = $style->get_border_properties();

// Resolve the borders
 for ($i = 0; $i < $num_rows + 1; $i++) {
 $this->_resolve_border($start_row + $i, 0, "vertical", $bp["left"]);
 $this->_resolve_border($start_row + $i, $this->_num_cols, "vertical", $bp["right"]);
 }

for ($j = 0; $j < $this->_num_cols; $j++) {
 $this->_resolve_border($start_row, $j, "horizontal", $bp["top"]);
 $this->_resolve_border($this->__row, $j, "horizontal", $bp["bottom"]);
 }
 }
 return;
 }

$node = $frame->get_node();

// Determine where this cell is going
        $colspan = $node->getAttribute("colspan");
        $rowspan = $node->getAttribute("rowspan");

if (!$colspan) {
            $colspan = 1;
            $node->setAttribute("colspan", 1);
        }

if (!$rowspan) {
            $rowspan = 1;
            $node->setAttribute("rowspan", 1);
        }
        $key = $frame->get_id();

$bp = $style->get_border_properties();

// Add the frame to the cellmap
        $max_left = $max_right = 0;

// Find the next available column (fix by Ciro Mondueri)
        $ac = $this->__col;
        while (isset($this->_cells[$this->__row][$ac])) {
            $ac++;
        }

$this->__col = $ac;

// Rows:
 for ($i = 0; $i < $rowspan; $i++) {
 $row = $this->__row + $i;

$this->_frames[$key]["rows"][] = $row;

for ($j = 0; $j < $colspan; $j++) {
 $this->_cells[$row][$this->__col + $j] = $frame;
 }

if ($collapse) {
                // Resolve vertical borders
                $max_left = max($max_left, $this->_resolve_border($row, $this->__col, "vertical", $bp["left"]));
                $max_right = max($max_right, $this->_resolve_border($row, $this->__col + $colspan, "vertical", $bp["right"]));
            }
        }

$max_top = $max_bottom = 0;

// Columns:
 for ($j = 0; $j < $colspan; $j++) {
 $col = $this->__col + $j;
 $this->_frames[$key]["columns"][] = $col;

if ($collapse) {
                // Resolve horizontal borders
                $max_top = max($max_top, $this->_resolve_border($this->__row, $col, "horizontal", $bp["top"]));
                $max_bottom = max($max_bottom, $this->_resolve_border($this->__row + $rowspan, $col, "horizontal", $bp["bottom"]));
            }
        }

$this->_frames[$key]["frame"] = $frame;

// Handle seperated border model
        if (!$collapse) {
            list($h, $v) = $this->_table->get_style()->border_spacing;

// Border spacing is effectively a margin between cells
            $v = $style->length_in_pt($v);
            if (is_numeric($v)) {
                $v = $v / 2;
            }
            $h = $style->length_in_pt($h);
            if (is_numeric($h)) {
                $h = $h / 2;
            }
            $style->margin = "$v $h";

// The additional 1/2 width gets added to the table proper
        } else {
            // Drop the frame's actual border
            $style->border_left_width = $max_left / 2;
            $style->border_right_width = $max_right / 2;
            $style->border_top_width = $max_top / 2;
            $style->border_bottom_width = $max_bottom / 2;
            $style->margin = "none";
        }

if (!$this->_columns_locked) {
            // Resolve the frame's width
            if ($this->_fixed_layout) {
                list($frame_min, $frame_max) = [0, 10e-10];
            } else {
                list($frame_min, $frame_max) = $frame->get_min_max_width();
            }

$width = $style->width;

$val = null;
            if (Helpers::is_percent($width)) {
                $var = "percent";
                $val = (float)rtrim($width, "% ") / $colspan;
            } else if ($width !== "auto") {
                $var = "absolute";
                $val = $style->length_in_pt($frame_min) / $colspan;
            }

$min = 0;
 $max = 0;
 for ($cs = 0; $cs < $colspan; $cs++) {

// Resolve the frame's width(s) with other cells
                $col =& $this->get_column($this->__col + $cs);

// Note: $var is either 'percent' or 'absolute'.  We compare the
                // requested percentage or absolute values with the existing widths
                // and adjust accordingly.
                if (isset($var) && $val > $col[$var]) {
                    $col[$var] = $val;
                    $col["auto"] = false;
                }

$min += $col["min-width"];
                $max += $col["max-width"];
            }

if ($frame_min > $min) {
 // The frame needs more space. Expand each sub-column
 // FIXME try to avoid putting this dummy value when table-layout:fixed
 $inc = ($this->is_layout_fixed() ? 10e-10 : ($frame_min - $min) / $colspan);
 for ($c = 0; $c < $colspan; $c++) {
 $col =& $this->get_column($this->__col + $c);
 $col["min-width"] += $inc;
 }
 }

if ($frame_max > $max) {
 // FIXME try to avoid putting this dummy value when table-layout:fixed
 $inc = ($this->is_layout_fixed() ? 10e-10 : ($frame_max - $max) / $colspan);
 for ($c = 0; $c < $colspan; $c++) {
 $col =& $this->get_column($this->__col + $c);
 $col["max-width"] += $inc;
 }
 }
 }

$this->__col += $colspan;
        if ($this->__col > $this->_num_cols) {
            $this->_num_cols = $this->__col;
        }
    }

/**
     *
     */
    public function add_row()
    {
        $this->__row++;
        $this->_num_rows++;

// Find the next available column
        $i = 0;
        while (isset($this->_cells[$this->__row][$i])) {
            $i++;
        }

$this->__col = $i;
    }

/**
     * Remove a row from the cellmap.
     *
     * @param Frame
     */
    public function remove_row(Frame $row)
    {
        $key = $row->get_id();
        if (!isset($this->_frames[$key])) {
            return; // Presumably this row has alredy been removed
        }

$this->__row = $this->_num_rows--;

$rows = $this->_frames[$key]["rows"];
        $columns = $this->_frames[$key]["columns"];

// Remove all frames from this row
        foreach ($rows as $r) {
            foreach ($columns as $c) {
                if (isset($this->_cells[$r][$c])) {
                    $id = $this->_cells[$r][$c]->get_id();

$this->_cells[$r][$c] = null;
                    unset($this->_cells[$r][$c]);

// has multiple rows?
                    if (isset($this->_frames[$id]) && count($this->_frames[$id]["rows"]) > 1) {
                        // remove just the desired row, but leave the frame
                        if (($row_key = array_search($r, $this->_frames[$id]["rows"])) !== false) {
                            unset($this->_frames[$id]["rows"][$row_key]);
                        }
                        continue;
                    }

$this->_frames[$id] = null;
                    unset($this->_frames[$id]);
                }
            }

$this->_rows[$r] = null;
            unset($this->_rows[$r]);
        }

$this->_frames[$key] = null;
        unset($this->_frames[$key]);
    }

/**
     * Remove a row group from the cellmap.
     *
     * @param Frame $group The group to remove
     */
    public function remove_row_group(Frame $group)
    {
        $key = $group->get_id();
        if (!isset($this->_frames[$key])) {
            return; // Presumably this row has alredy been removed
        }

$iter = $group->get_first_child();
        while ($iter) {
            $this->remove_row($iter);
            $iter = $iter->get_next_sibling();
        }

$this->_frames[$key] = null;
        unset($this->_frames[$key]);
    }

/**
     * 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 = $this->_frames[$g_key]["rows"];
        $this->_frames[$g_key]["rows"] = range($this->_frames[$g_key]["rows"][0], end($r_rows));
    }

/**
     *
     */
    public function assign_x_positions()
    {
        // Pre-condition: widths must be resolved and assigned to columns and
        // column[0]["x"] must be set.

if ($this->_columns_locked) {
            return;
        }

$x = $this->_columns[0]["x"];
        foreach (array_keys($this->_columns) as $j) {
            $this->_columns[$j]["x"] = $x;
            $x += $this->_columns[$j]["used-width"];
        }
    }

/**
     *
     */
    public function assign_frame_heights()
    {
        // Pre-condition: widths and heights of each column & row must be
        // calcluated
        foreach ($this->_frames as $arr) {
            $frame = $arr["frame"];

$h = 0;
            foreach ($arr["rows"] as $row) {
                if (!isset($this->_rows[$row])) {
                    // The row has been removed because of a page split, so skip it.
                    continue;
                }

$h += $this->_rows[$row]["height"];
            }

if ($frame instanceof TableCellFrameDecorator) {
                $frame->set_cell_height($h);
            } else {
                $frame->get_style()->height = $h;
            }
        }
    }

/**
     * Re-adjust frame height if the table height is larger than its content
     */
    public function set_frame_heights($table_height, $content_height)
    {
        // Distribute the increased height proportionally amongst each row
        foreach ($this->_frames as $arr) {
            $frame = $arr["frame"];

$h = 0;
            foreach ($arr["rows"] as $row) {
                if (!isset($this->_rows[$row])) {
                    continue;
                }

$h += $this->_rows[$row]["height"];
            }

if ($content_height > 0) {
                $new_height = ($h / $content_height) * $table_height;
            } else {
                $new_height = 0;
            }

if ($frame instanceof TableCellFrameDecorator) {
                $frame->set_cell_height($new_height);
            } else {
                $frame->get_style()->height = $new_height;
            }
        }
    }

/**
 * Used for debugging:
 *
 * @return string
 */
 public function __toString()
 {
 $str = "";
 $str .= "Columns: ";
 $str .= Helpers::pre_r($this->_columns, true);
 $str .= "Rows: ";
 $str .= Helpers::pre_r($this->_rows, true);

$str .= "Frames: ";
 $arr = [];
 foreach ($this->_frames as $key => $val) {
 $arr[$key] = ["columns" => $val["columns"], "rows" => $val["rows"]];
 }

$str .= Helpers::pre_r($arr, true);

if (php_sapi_name() == "cli") {
 $str = strip_tags(str_replace([" ", "", ""],
 ["\n", chr(27) . "[01;33m", chr(27) . "[0m"],
 $str));
 }

return $str;
    }
}

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