File Source for Worksheet.php

<?php
/*
* Module written/ported by Xavier Noguer <xnoguer@rezebra.com>
*
* The majority of this is _NOT_ my code. I simply ported it from the
* PERL Spreadsheet::WriteExcel module.
*
* The author of the Spreadsheet::WriteExcel module is John McNamara
* <jmcnamara@cpan.org>
*
* I _DO_ maintain this code, and John McNamara has nothing to do with the
* porting of this code to PHP. Any questions directly related to this
* class library should be directed to me.
*
* License Information:
*
* PHPExcel_Writer_Excel5_Writer: A library for generating Excel Spreadsheets
* Copyright (c) 2002-2003 Xavier Noguer xnoguer@rezebra.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
require_once 'PHPExcel/Writer/Excel5/Parser.php';
require_once 'PHPExcel/Writer/Excel5/BIFFwriter.php';
require_once 'PHPExcel/Shared/String.php';
/**
* Class for generating Excel Spreadsheets
*
* @author Xavier Noguer <xnoguer@rezebra.com>
* @category PHPExcel
* @package PHPExcel_Writer_Excel5
*/
class PHPExcel_Writer_Excel5_Worksheet extends PHPExcel_Writer_Excel5_BIFFwriter
{
/**
* Name of the Worksheet
* @var string
*/
var $name;
/**
* Index for the Worksheet
* @var integer
*/
var $index;
/**
* Reference to the (default) Format object for URLs
* @var object Format
*/
var $_url_format;
/**
* Reference to the parser used for parsing formulas
* @var object Format
*/
var $_parser;
/**
* Filehandle to the temporary file for storing data
* @var resource
*/
var $_filehandle;
/**
* Boolean indicating if we are using a temporary file for storing data
* @var bool
*/
var $_using_tmpfile;
/**
* Maximum number of rows for an Excel spreadsheet (BIFF5)
* @var integer
*/
var $_xls_rowmax;
/**
* Maximum number of columns for an Excel spreadsheet (BIFF5)
* @var integer
*/
var $_xls_colmax;
/**
* Maximum number of characters for a string (LABEL record in BIFF5)
* @var integer
*/
var $_xls_strmax;
/**
* First row for the DIMENSIONS record
* @var integer
* @see _storeDimensions()
*/
var $_dim_rowmin;
/**
* Last row for the DIMENSIONS record
* @var integer
* @see _storeDimensions()
*/
var $_dim_rowmax;
/**
* First column for the DIMENSIONS record
* @var integer
* @see _storeDimensions()
*/
var $_dim_colmin;
/**
* Last column for the DIMENSIONS record
* @var integer
* @see _storeDimensions()
*/
var $_dim_colmax;
/**
* Array containing format information for columns
* @var array
*/
var $_colinfo;
/**
* Array containing the selected area for the worksheet
* @var array
*/
var $_selection;
/**
* The active pane for the worksheet
* @var integer
*/
var $_active_pane;
/**
* Bit specifying if the worksheet is selected
* @var integer
*/
var $selected;
/**
* Whether to use outline.
* @var integer
*/
var $_outline_on;
/**
* Auto outline styles.
* @var bool
*/
var $_outline_style;
/**
* Whether to have outline summary below.
* @var bool
*/
var $_outline_below;
/**
* Whether to have outline summary at the right.
* @var bool
*/
var $_outline_right;
/**
* Outline row level.
* @var integer
*/
var $_outline_row_level;
/**
* Reference to the total number of strings in the workbook
* @var integer
*/
var $_str_total;
/**
* Reference to the number of unique strings in the workbook
* @var integer
*/
var $_str_unique;
/**
* Reference to the array containing all the unique strings in the workbook
* @var array
*/
var $_str_table;
/**
* The temporary dir for storing files
* @var string
*/
var $_tmp_dir;
/**
* List of temporary files created
* @var array
*/
var $_tempFilesCreated = array();
/**
* Index of first used row (at least 0)
* @var int
*/
private $_firstRowIndex;
/**
* Index of last used row. (no used rows means -1)
* @var int
*/
private $_lastRowIndex;
/**
* Index of first used column (at least 0)
* @var int
*/
private $_firstColumnIndex;
/**
* Index of last used column (no used columns means -1)
* @var int
*/
private $_lastColumnIndex;
/**
* Sheet object
* @var PHPExcel_Worksheet
*/
private $_phpSheet;
/**
* Constructor
*
* @param string $name The name of the new worksheet
* @param integer $index The index of the new worksheet
* @param mixed &$activesheet The current activesheet of the workbook we belong to
* @param mixed &$firstsheet The first worksheet in the workbook we belong to
* @param mixed &$url_format The default format for hyperlinks
* @param mixed &$parser The formula parser created for the Workbook
* @param string $tempDir The temporary directory to be used
* @param PHPExcel_Worksheet $phpSheet
* @access private
*/
function PHPExcel_Writer_Excel5_Worksheet($BIFF_version, $name,
$index, &$activesheet,
&$firstsheet, &$str_total,
&$str_unique, &$str_table,
&$url_format, &$parser, $tempDir = '', $phpSheet)
{
// It needs to call its parent's constructor explicitly
$this->PHPExcel_Writer_Excel5_BIFFwriter();
$this->_BIFF_version = $BIFF_version;
$rowmax = 65536; // 16384 in Excel 5
$colmax = 256;
$this->name = $name;
$this->index = $index;
$this->activesheet = &$activesheet;
$this->firstsheet = &$firstsheet;
$this->_str_total = &$str_total;
$this->_str_unique = &$str_unique;
$this->_str_table = &$str_table;
$this->_url_format = &$url_format;
$this->_parser = &$parser;
$this->_phpSheet = $phpSheet;
//$this->ext_sheets = array();
$this->_filehandle = '';
$this->_using_tmpfile = true;
//$this->fileclosed = 0;
//$this->offset = 0;
$this->_xls_rowmax = $rowmax;
$this->_xls_colmax = $colmax;
$this->_xls_strmax = 255;
$this->_dim_rowmin = $rowmax + 1;
$this->_dim_rowmax = 0;
$this->_dim_colmin = $colmax + 1;
$this->_dim_colmax = 0;
$this->_colinfo = array();
$this->_selection = array(0,0,0,0);
$this->_active_pane = 3;
$this->selected = 0;
$this->_print_headers = 0;
$this->col_sizes = array();
$this->_row_sizes = array();
$this->_outline_row_level = 0;
$this->_outline_style = 0;
$this->_outline_below = 1;
$this->_outline_right = 1;
$this->_outline_on = 1;
$this->_dv = array();
$this->_tmp_dir = $tempDir;
$this->_initialize();
}
/**
* Cleanup
*/
public function cleanup() {
@fclose($this->_filehandle);
foreach ($this->_tempFilesCreated as $file) {
@unlink($file);
}
}
/**
* Open a tmp file to store the majority of the Worksheet data. If this fails,
* for example due to write permissions, store the data in memory. This can be
* slow for large files.
*
* @access private
*/
function _initialize()
{
// Open tmp file for storing Worksheet data
$fileName = tempnam($this->_tmp_dir, 'XLSHEET');
$fh = fopen($fileName, 'w+');
if ($fh) {
// Store filehandle
$this->_filehandle = $fh;
$this->_tempFilesCreated[] = $fileName;
} else {
// If tmpfile() fails store data in memory
$this->_using_tmpfile = false;
}
}
/**
* Sets the temp dir used for storing files
*
* @access public
* @param string $dir The dir to be used as temp dir
* @return true if given dir is valid, false otherwise
*/
function setTempDir($dir)
{
if (is_dir($dir)) {
$this->_tmp_dir = $dir;
return true;
}
return false;
}
/**
* Add data to the beginning of the workbook (note the reverse order)
* and to the end of the workbook.
*
* @access public
* @see PHPExcel_Writer_Excel5_Workbook::storeWorkbook()
* @param array $sheetnames The array of sheetnames from the Workbook this
* worksheet belongs to
*/
function close($sheetnames)
{
$num_sheets = count($sheetnames);
/***********************************************
* Prepend in reverse order!!
*/
// Prepend the sheet dimensions
$this->_storeDimensions();
// Prepend the sheet password
$this->_storePassword();
// Prepend the sheet protection
$this->_storeProtect();
// Prepend the page setup
$this->_storeSetup();
/* FIXME: margins are actually appended */
// Prepend the bottom margin
$this->_storeMarginBottom();
// Prepend the top margin
$this->_storeMarginTop();
// Prepend the right margin
$this->_storeMarginRight();
// Prepend the left margin
$this->_storeMarginLeft();
// Prepend the page vertical centering
$this->_storeVcenter();
// Prepend the page horizontal centering
$this->_storeHcenter();
// Prepend the page footer
$this->_storeFooter();
// Prepend the page header
$this->_storeHeader();
// Prepend the vertical and horizontal page breaks
$this->_storeBreaks();
// Prepend WSBOOL
$this->_storeWsbool();
// Prepend DEFAULTROWHEIGHT
if ($this->_BIFF_version == 0x0600) {
$this->_storeDefaultRowHeight();
}
// Prepend GRIDSET
$this->_storeGridset();
// Prepend GUTS
$this->_storeGuts();
// Prepend PRINTGRIDLINES
$this->_storePrintGridlines();
// Prepend PRINTHEADERS
$this->_storePrintHeaders();
// Prepend EXTERNSHEET references
if ($this->_BIFF_version == 0x0500) {
for ($i = $num_sheets; $i > 0; --$i) {
$sheetname = $sheetnames[$i-1];
$this->_storeExternsheet($sheetname);
}
}
// Prepend the EXTERNCOUNT of external references.
if ($this->_BIFF_version == 0x0500) {
$this->_storeExterncount($num_sheets);
}
// Prepend the COLINFO records if they exist
if (!empty($this->_colinfo)) {
$colcount = count($this->_colinfo);
for ($i = 0; $i < $colcount; ++$i) {
$this->_storeColinfo($this->_colinfo[$i]);
}
}
// Prepend the DEFCOLWIDTH record
$this->_storeDefcol();
// Prepend the BOF record
$this->_storeBof(0x0010);
/*
* End of prepend. Read upwards from here.
***********************************************/
// Append
$this->_storeWindow2();
$this->_storeZoom();
if ($this->_phpSheet->getFreezePane()) {
$this->_storePanes();
}
$this->_storeSelection($this->_selection);
$this->_storeMergedCells();
/* TODO: add data validity */
/*if ($this->_BIFF_version == 0x0600) {
$this->_storeDataValidity();
}*/
if ($this->_BIFF_version == 0x0600) {
$this->_storeRangeProtection();
}
$this->_storeEof();
}
/**
* Write a cell range address in BIFF8
* always fixed range
* See section 2.5.14 in OpenOffice.org's Documentation of the Microsoft Excel File Format
*
* @param string $range E.g. 'A1' or 'A1:B6'
* @return string Binary data
*/
private function _writeBIFF8CellRangeAddressFixed($range = 'A1')
{
$explodes = explode(':', $range);
// extract first cell, e.g. 'A1'
$firstCell = $explodes[0];
// extract last cell, e.g. 'B6'
if (count($explodes) == 1) {
$lastCell = $firstCell;
} else {
$lastCell = $explodes[1];
}
$firstCellCoordinates = PHPExcel_Cell::coordinateFromString($firstCell); // e.g. array(0, 1)
$lastCellCoordinates = PHPExcel_Cell::coordinateFromString($lastCell); // e.g. array(1, 6)
$data = pack('vvvv',
$firstCellCoordinates[1] - 1,
$lastCellCoordinates[1] - 1,
PHPExcel_Cell::columnIndexFromString($firstCellCoordinates[0]) - 1,
PHPExcel_Cell::columnIndexFromString($lastCellCoordinates[0]) - 1
);
return $data;
}
/**
* Retrieve the worksheet name.
* This is usefull when creating worksheets without a name.
*
* @access public
* @return string The worksheet's name
*/
function getName()
{
return $this->name;
}
/**
* Retrieves data from memory in one chunk, or from disk in $buffer
* sized chunks.
*
* @return string The data
*/
function getData()
{
$buffer = 4096;
// Return data stored in memory
if (isset($this->_data)) {
$tmp = $this->_data;
unset($this->_data);
$fh = $this->_filehandle;
if ($this->_using_tmpfile) {
fseek($fh, 0);
}
return $tmp;
}
// Return data stored on disk
if ($this->_using_tmpfile) {
if ($tmp = fread($this->_filehandle, $buffer)) {
return $tmp;
}
}
// No data to return
return '';
}
/**
* Set this worksheet as a selected worksheet,
* i.e. the worksheet has its tab highlighted.
*
* @access public
*/
function select()
{
$this->selected = 1;
}
/**
* Set this worksheet as the active worksheet,
* i.e. the worksheet that is displayed when the workbook is opened.
* Also set it as selected.
*
* @access public
*/
function activate()
{
$this->selected = 1;
$this->activesheet = $this->index;
}
/**
* Set this worksheet as the first visible sheet.
* This is necessary when there are a large number of worksheets and the
* activated worksheet is not visible on the screen.
*
* @access public
*/
function setFirstSheet()
{
$this->firstsheet = $this->index;
}
/**
* Set the width of a single column or a range of columns.
*
* @access public
* @param integer $firstcol first column on the range
* @param integer $lastcol last column on the range
* @param integer $width width to set
* @param mixed $format The optional XF format to apply to the columns
* @param integer $hidden The optional hidden atribute
* @param integer $level The optional outline level
*/
function setColumn($firstcol, $lastcol, $width, $format = null, $hidden = 0, $level = 0)
{
$this->_colinfo[] = array($firstcol, $lastcol, $width, &$format, $hidden, $level);
// Set width to zero if column is hidden
$width = ($hidden) ? 0 : $width;
for ($col = $firstcol; $col <= $lastcol; ++$col) {
$this->col_sizes[$col] = $width;
}
}
/**
* Set which cell or cells are selected in a worksheet
*
* @access public
* @param integer $first_row first row in the selected quadrant
* @param integer $first_column first column in the selected quadrant
* @param integer $last_row last row in the selected quadrant
* @param integer $last_column last column in the selected quadrant
*/
function setSelection($first_row,$first_column,$last_row,$last_column)
{
$this->_selection = array($first_row,$first_column,$last_row,$last_column);
}
/**
* Set the option to print the row and column headers on the printed page.
*
* @access public
* @param integer $print Whether to print the headers or not. Defaults to 1 (print).
*/
function printRowColHeaders($print = 1)
{
$this->_print_headers = $print;
}
/**
* Map to the appropriate write method acording to the token recieved.
*
* @access public
* @param integer $row The row of the cell we are writing to
* @param integer $col The column of the cell we are writing to
* @param mixed $token What we are writing
* @param mixed $format The optional format to apply to the cell
*/
function write($row, $col, $token, $format = null, $numberFormat = null)
{
if (($numberFormat != 'General') && (PHPExcel_Shared_Date::isDateTimeFormatCode($numberFormat))) {
if (is_string($token)) {
// Error string
return $this->writeString($row, $col, $token, $format);
} elseif (!is_float($token)) {
// PHP serialized date/time or date/time object
return $this->writeNumber($row, $col, PHPExcel_Shared_Date::PHPToExcel($token), $format);
} else {
// Excel serialized date/time
return $this->writeNumber($row, $col, $token, $format);
}
} elseif (preg_match("/^([+-]?)(?=\d|\.\d)\d*(\.\d*)?([Ee]([+-]?\d+))?$/", $token)) {
// Match number
return $this->writeNumber($row, $col, $token, $format);
} elseif ($token == '') {
// Match blank
return $this->writeBlank($row, $col, $format);
} else {
// Default: match string
return $this->writeString($row, $col, $token, $format);
}
}
/**
* Returns an index to the XF record in the workbook
*
* @access private
* @param mixed &$format The optional XF format
* @return integer The XF record index
*/
function _XF(&$format)
{
if ($format) {
return($format->getXfIndex());
} else {
return(0x0F);
}
}
/******************************************************************************
*******************************************************************************
*
* Internal methods
*/
/**
* Store Worksheet data in memory using the parent's class append() or to a
* temporary file, the default.
*
* @access private
* @param string $data The binary data to append
*/
function _append($data)
{
if ($this->_using_tmpfile) {
// Add CONTINUE records if necessary
if (strlen($data) > $this->_limit) {
$data = $this->_addContinue($data);
}
fwrite($this->_filehandle, $data);
$this->_datasize += strlen($data);
} else {
parent::_append($data);
}
}
/**
* This method sets the properties for outlining and grouping. The defaults
* correspond to Excel's defaults.
*
* @param bool $visible
* @param bool $symbols_below
* @param bool $symbols_right
* @param bool $auto_style
*/
function setOutline($visible = true, $symbols_below = true, $symbols_right = true, $auto_style = false)
{
$this->_outline_on = $visible;
$this->_outline_below = $symbols_below;
$this->_outline_right = $symbols_right;
$this->_outline_style = $auto_style;
// Ensure this is a boolean vale for Window2
if ($this->_outline_on) {
$this->_outline_on = 1;
}
}
/******************************************************************************
*******************************************************************************
*
* BIFF RECORDS
*/
/**
* Write a double to the specified row and column (zero indexed).
* An integer can be written as a double. Excel will display an
* integer. $format is optional.
*
* Returns 0 : normal termination
* -2 : row or column out of range
*
* @access public
* @param integer $row Zero indexed row
* @param integer $col Zero indexed column
* @param float $num The number to write
* @param mixed $format The optional XF format
* @return integer
*/
function writeNumber($row, $col, $num, $format = null)
{
$record = 0x0203; // Record identifier
$length = 0x000E; // Number of bytes to follow
$xf = $this->_XF($format); // The cell format
// Check that row and col are valid and store max and min values
if ($row >= $this->_xls_rowmax) {
return(-2);
}
if ($col >= $this->_xls_colmax) {
return(-2);
}
if ($row < $this->_dim_rowmin) {
$this->_dim_rowmin = $row;
}
if ($row > $this->_dim_rowmax) {
$this->_dim_rowmax = $row;
}
if ($col < $this->_dim_colmin) {
$this->_dim_colmin = $col;
}
if ($col > $this->_dim_colmax) {
$this->_dim_colmax = $col;
}
$header = pack("vv", $record, $length);
$data = pack("vvv", $row, $col, $xf);
$xl_double = pack("d", $num);
if ($this->_byte_order) { // if it's Big Endian
$xl_double = strrev($xl_double);
}
$this->_append($header.$data.$xl_double);
return(0);
}
/**
* Write a string to the specified row and column (zero indexed).
* NOTE: there is an Excel 5 defined limit of 255 characters.
* $format is optional.
* Returns 0 : normal termination
* -2 : row or column out of range
* -3 : long string truncated to 255 chars
*
* @access public
* @param integer $row Zero indexed row
* @param integer $col Zero indexed column
* @param string $str The string to write
* @param mixed $format The XF format for the cell
* @return integer
*/
function writeString($row, $col, $str, $format = null)
{
if ($this->_BIFF_version == 0x0600) {
return $this->writeStringBIFF8($row, $col, $str, $format);
}
$strlen = strlen($str);
$record = 0x0204; // Record identifier
$length = 0x0008 + $strlen; // Bytes to follow
$xf = $this->_XF($format); // The cell format
$str_error = 0;
// Check that row and col are valid and store max and min values
if ($row >= $this->_xls_rowmax) {
return(-2);
}
if ($col >= $this->_xls_colmax) {
return(-2);
}
if ($row < $this->_dim_rowmin) {
$this->_dim_rowmin = $row;
}
if ($row > $this->_dim_rowmax) {
$this->_dim_rowmax = $row;
}
if ($col < $this->_dim_colmin) {
$this->_dim_colmin = $col;
}
if ($col > $this->_dim_colmax) {
$this->_dim_colmax = $col;
}
if ($strlen > $this->_xls_strmax) { // LABEL must be < 255 chars
$str = substr($str, 0, $this->_xls_strmax);
$length = 0x0008 + $this->_xls_strmax;
$strlen = $this->_xls_strmax;
$str_error = -3;
}
$header = pack("vv", $record, $length);
$data = pack("vvvv", $row, $col, $xf, $strlen);
$this->_append($header . $data . $str);
return($str_error);
}
/**
* Write a string to the specified row and column (zero indexed).
* This is the BIFF8 version (no 255 chars limit).
* $format is optional.
* Returns 0 : normal termination
* -2 : row or column out of range
* -3 : long string truncated to 255 chars
*
* @access public
* @param integer $row Zero indexed row
* @param integer $col Zero indexed column
* @param string $str The string to write
* @param mixed $format The XF format for the cell
* @return integer
*/
function writeStringBIFF8($row, $col, $str, $format = null)
{
$str = iconv('UTF-8', 'UTF-16LE', $str);
$strlen = function_exists('mb_strlen') ? mb_strlen($str, 'UTF-16LE') : (strlen($str) / 2);
$encoding = 0x1;
$record = 0x00FD; // Record identifier
$length = 0x000A; // Bytes to follow
$xf = $this->_XF($format); // The cell format
$str_error = 0;
// Check that row and col are valid and store max and min values
if ($this->_checkRowCol($row, $col) == false) {
return -2;
}
$str = pack('vC', $strlen, $encoding).$str;
/* check if string is already present */
if (!isset($this->_str_table[$str])) {
$this->_str_table[$str] = $this->_str_unique++;
}
$this->_str_total++;
$header = pack('vv', $record, $length);
$data = pack('vvvV', $row, $col, $xf, $this->_str_table[$str]);
$this->_append($header.$data);
return $str_error;
}
/**
* Check row and col before writing to a cell, and update the sheet's
* dimensions accordingly
*
* @access private
* @param integer $row Zero indexed row
* @param integer $col Zero indexed column
* @return boolean true for success, false if row and/or col are grester
* then maximums allowed.
*/
function _checkRowCol($row, $col)
{
if ($row >= $this->_xls_rowmax) {
return false;
}
if ($col >= $this->_xls_colmax) {
return false;
}
if ($row < $this->_dim_rowmin) {
$this->_dim_rowmin = $row;
}
if ($row > $this->_dim_rowmax) {
$this->_dim_rowmax = $row;
}
if ($col < $this->_dim_colmin) {
$this->_dim_colmin = $col;
}
if ($col > $this->_dim_colmax) {
$this->_dim_colmax = $col;
}
return true;
}
/**
* Writes a note associated with the cell given by the row and column.
* NOTE records don't have a length limit.
*
* @access public
* @param integer $row Zero indexed row
* @param integer $col Zero indexed column
* @param string $note The note to write
*/
function writeNote($row, $col, $note)
{
$note_length = strlen($note);
$record = 0x001C; // Record identifier
$max_length = 2048; // Maximun length for a NOTE record
//$length = 0x0006 + $note_length; // Bytes to follow
// Check that row and col are valid and store max and min values
if ($row >= $this->_xls_rowmax) {
return(-2);
}
if ($col >= $this->_xls_colmax) {
return(-2);
}
if ($row < $this->_dim_rowmin) {
$this->_dim_rowmin = $row;
}
if ($row > $this->_dim_rowmax) {
$this->_dim_rowmax = $row;
}
if ($col < $this->_dim_colmin) {
$this->_dim_colmin = $col;
}
if ($col > $this->_dim_colmax) {
$this->_dim_colmax = $col;
}
// Length for this record is no more than 2048 + 6
$length = 0x0006 + min($note_length, 2048);
$header = pack("vv", $record, $length);
$data = pack("vvv", $row, $col, $note_length);
$this->_append($header . $data . substr($note, 0, 2048));
for ($i = $max_length; $i < $note_length; $i += $max_length) {
$chunk = substr($note, $i, $max_length);
$length = 0x0006 + strlen($chunk);
$header = pack("vv", $record, $length);
$data = pack("vvv", -1, 0, strlen($chunk));
$this->_append($header.$data.$chunk);
}
return(0);
}
/**
* Write a blank cell to the specified row and column (zero indexed).
* A blank cell is used to specify formatting without adding a string
* or a number.
*
* A blank cell without a format serves no purpose. Therefore, we don't write
* a BLANK record unless a format is specified.
*
* Returns 0 : normal termination (including no format)
* -1 : insufficient number of arguments
* -2 : row or column out of range
*
* @access public
* @param integer $row Zero indexed row
* @param integer $col Zero indexed column
* @param mixed $format The XF format
*/
function writeBlank($row, $col, $format)
{
// Don't write a blank cell unless it has a format
if (!$format) {
return(0);
}
$record = 0x0201; // Record identifier
$length = 0x0006; // Number of bytes to follow
$xf = $this->_XF($format); // The cell format
// Check that row and col are valid and store max and min values
if ($row >= $this->_xls_rowmax) {
return(-2);
}
if ($col >= $this->_xls_colmax) {
return(-2);
}
if ($row < $this->_dim_rowmin) {
$this->_dim_rowmin = $row;
}
if ($row > $this->_dim_rowmax) {
$this->_dim_rowmax = $row;
}
if ($col < $this->_dim_colmin) {
$this->_dim_colmin = $col;
}
if ($col > $this->_dim_colmax) {
$this->_dim_colmax = $col;
}
$header = pack("vv", $record, $length);
$data = pack("vvv", $row, $col, $xf);
$this->_append($header . $data);
return 0;
}
/**
* Write a boolean or an error type to the specified row and column (zero indexed)
*/
public function writeBoolErr($row, $col, $value, $isError, $format)
{
$record = 0x0205;
$length = 8;
$xf = $this->_XF($format);
// Check that row and col are valid and store max and min values
if ($row >= $this->_xls_rowmax) {
return(-2);
}
if ($col >= $this->_xls_colmax) {
return(-2);
}
if ($row < $this->_dim_rowmin) {
$this->_dim_rowmin = $row;
}
if ($row > $this->_dim_rowmax) {
$this->_dim_rowmax = $row;
}
if ($col < $this->_dim_colmin) {
$this->_dim_colmin = $col;
}
if ($col > $this->_dim_colmax) {
$this->_dim_colmax = $col;
}
$header = pack("vv", $record, $length);
$data = pack("vvvCC", $row, $col, $xf, $value, $isError);
$this->_append($header . $data);
return 0;
}
/**
* Write a formula to the specified row and column (zero indexed).
* The textual representation of the formula is passed to the parser in
* Parser.php which returns a packed binary string.
*
* Returns 0 : normal termination
* -1 : formula errors (bad formula)
* -2 : row or column out of range
*
* @access public
* @param integer $row Zero indexed row
* @param integer $col Zero indexed column
* @param string $formula The formula text string
* @param mixed $format The optional XF format
* @return integer
*/
function writeFormula($row, $col, $formula, $format = null)
{
$record = 0x0006; // Record identifier
// Excel normally stores the last calculated value of the formula in $num.
// Clearly we are not in a position to calculate this a priori. Instead
// we set $num to zero and set the option flags in $grbit to ensure
// automatic calculation of the formula when the file is opened.
//
$xf = $this->_XF($format); // The cell format
$num = 0x00; // Current value of formula
$grbit = 0x03; // Option flags
$unknown = 0x0000; // Must be zero
// Check that row and col are valid and store max and min values
if ($this->_checkRowCol($row, $col) == false) {
return -2;
}
// Strip the '=' or '@' sign at the beginning of the formula string
if (preg_match("/^=/", $formula)) {
$formula = preg_replace("/(^=)/", "", $formula);
} elseif (preg_match("/^@/", $formula)) {
$formula = preg_replace("/(^@)/", "", $formula);
} else {
// Error handling
$this->writeString($row, $col, 'Unrecognised character for formula');
return -1;
}
// Parse the formula using the parser in Parser.php
$error = $this->_parser->parse($formula);
$formula = $this->_parser->toReversePolish();
$formlen = strlen($formula); // Length of the binary string
$length = 0x16 + $formlen; // Length of the record data
$header = pack("vv", $record, $length);
$data = pack("vvvdvVv", $row, $col, $xf, $num,
$grbit, $unknown, $formlen);
$this->_append($header . $data . $formula);
return 0;
}
/**
* Write a hyperlink.
* This is comprised of two elements: the visible label and
* the invisible link. The visible label is the same as the link unless an
* alternative string is specified. The label is written using the
* writeString() method. Therefore the 255 characters string limit applies.
* $string and $format are optional.
*
* The hyperlink can be to a http, ftp, mail, internal sheet (not yet), or external
* directory url.
*
* Returns 0 : normal termination
* -2 : row or column out of range
* -3 : long string truncated to 255 chars
*
* @access public
* @param integer $row Row
* @param integer $col Column
* @param string $url URL string
* @return integer
*/
function writeUrl($row, $col, $url)
{
// Add start row and col to arg list
return($this->_writeUrlRange($row, $col, $row, $col, $url));
}
/**
* This is the more general form of writeUrl(). It allows a hyperlink to be
* written to a range of cells. This function also decides the type of hyperlink
* to be written. These are either, Web (http, ftp, mailto), Internal
* (Sheet1!A1) or external ('c:\temp\foo.xls#Sheet1!A1').
*
* @access private
* @see writeUrl()
* @param integer $row1 Start row
* @param integer $col1 Start column
* @param integer $row2 End row
* @param integer $col2 End column
* @param string $url URL string
* @return integer
*/
function _writeUrlRange($row1, $col1, $row2, $col2, $url)
{
// Check for internal/external sheet links or default to web link
if (preg_match('[^internal:]', $url)) {
return($this->_writeUrlInternal($row1, $col1, $row2, $col2, $url));
}
if (preg_match('[^external:]', $url)) {
return($this->_writeUrlExternal($row1, $col1, $row2, $col2, $url));
}
return($this->_writeUrlWeb($row1, $col1, $row2, $col2, $url));
}
/**
* Used to write http, ftp and mailto hyperlinks.
* The link type ($options) is 0x03 is the same as absolute dir ref without
* sheet. However it is differentiated by the $unknown2 data stream.
*
* @access private
* @see writeUrl()
* @param integer $row1 Start row
* @param integer $col1 Start column
* @param integer $row2 End row
* @param integer $col2 End column
* @param string $url URL string
* @return integer
*/
function _writeUrlWeb($row1, $col1, $row2, $col2, $url)
{
$record = 0x01B8; // Record identifier
$length = 0x00000; // Bytes to follow
// Pack the undocumented parts of the hyperlink stream
$unknown1 = pack("H*", "D0C9EA79F9BACE118C8200AA004BA90B02000000");
$unknown2 = pack("H*", "E0C9EA79F9BACE118C8200AA004BA90B");
// Pack the option flags
$options = pack("V", 0x03);
// Convert URL to a null terminated wchar string
$url = join("\0", preg_split("''", $url, -1, PREG_SPLIT_NO_EMPTY));
$url = $url . "\0\0\0";
// Pack the length of the URL
$url_len = pack("V", strlen($url));
// Calculate the data length
$length = 0x34 + strlen($url);
// Pack the header data
$header = pack("vv", $record, $length);
$data = pack("vvvv", $row1, $row2, $col1, $col2);
// Write the packed data
$this->_append($header . $data .
$unknown1 . $options .
$unknown2 . $url_len . $url);
return 0;
}
/**
* Used to write internal reference hyperlinks such as "Sheet1!A1".
*
* @access private
* @see writeUrl()
* @param integer $row1 Start row
* @param integer $col1 Start column
* @param integer $row2 End row
* @param integer $col2 End column
* @param string $url URL string
* @return integer
*/
function _writeUrlInternal($row1, $col1, $row2, $col2, $url)
{
$record = 0x01B8; // Record identifier
$length = 0x00000; // Bytes to follow
// Strip URL type
$url = preg_replace('/^internal:/', '', $url);
// Pack the undocumented parts of the hyperlink stream
$unknown1 = pack("H*", "D0C9EA79F9BACE118C8200AA004BA90B02000000");
// Pack the option flags
$options = pack("V", 0x08);
// Convert the URL type and to a null terminated wchar string
$url = join("\0", preg_split("''", $url, -1, PREG_SPLIT_NO_EMPTY));
$url = $url . "\0\0\0";
// Pack the length of the URL as chars (not wchars)
$url_len = pack("V", floor(strlen($url)/2));
// Calculate the data length
$length = 0x24 + strlen($url);
// Pack the header data
$header = pack("vv", $record, $length);
$data = pack("vvvv", $row1, $row2, $col1, $col2);
// Write the packed data
$this->_append($header . $data .
$unknown1 . $options .
$url_len . $url);
return 0;
}
/**
* Write links to external directory names such as 'c:\foo.xls',
* c:\foo.xls#Sheet1!A1', '../../foo.xls'. and '../../foo.xls#Sheet1!A1'.
*
* Note: Excel writes some relative links with the $dir_long string. We ignore
* these cases for the sake of simpler code.
*
* @access private
* @see writeUrl()
* @param integer $row1 Start row
* @param integer $col1 Start column
* @param integer $row2 End row
* @param integer $col2 End column
* @param string $url URL string
* @return integer
*/
function _writeUrlExternal($row1, $col1, $row2, $col2, $url)
{
// Network drives are different. We will handle them separately
// MS/Novell network drives and shares start with \\
if (preg_match('[^external:\\\\]', $url)) {
return; //($this->_writeUrlExternal_net($row1, $col1, $row2, $col2, $url, $str, $format));
}
$record = 0x01B8; // Record identifier
$length = 0x00000; // Bytes to follow
// Strip URL type and change Unix dir separator to Dos style (if needed)
//
$url = preg_replace('/^external:/', '', $url);
$url = preg_replace('/\//', "\\", $url);
// Determine if the link is relative or absolute:
// relative if link contains no dir separator, "somefile.xls"
// relative if link starts with up-dir, "..\..\somefile.xls"
// otherwise, absolute
$absolute = 0x02; // Bit mask
if (!preg_match("/\\\/", $url)) {
$absolute = 0x00;
}
if (preg_match("/^\.\.\\\/", $url)) {
$absolute = 0x00;
}
$link_type = 0x01 | $absolute;
// Determine if the link contains a sheet reference and change some of the
// parameters accordingly.
// Split the dir name and sheet name (if it exists)
/*if (preg_match("/\#/", $url)) {
list($dir_long, $sheet) = split("\#", $url);
} else {
$dir_long = $url;
}
if (isset($sheet)) {
$link_type |= 0x08;
$sheet_len = pack("V", strlen($sheet) + 0x01);
$sheet = join("\0", split('', $sheet));
$sheet .= "\0\0\0";
} else {
$sheet_len = '';
$sheet = '';
}*/
$dir_long = $url;
if (preg_match("/\#/", $url)) {
$link_type |= 0x08;
}
// Pack the link type
$link_type = pack("V", $link_type);
// Calculate the up-level dir count e.g.. (..\..\..\ == 3)
$up_count = preg_match_all("/\.\.\\\/", $dir_long, $useless);
$up_count = pack("v", $up_count);
// Store the short dos dir name (null terminated)
$dir_short = preg_replace("/\.\.\\\/", '', $dir_long) . "\0";
// Store the long dir name as a wchar string (non-null terminated)
//$dir_long = join("\0", split('', $dir_long));
$dir_long = $dir_long . "\0";
// Pack the lengths of the dir strings
$dir_short_len = pack("V", strlen($dir_short) );
$dir_long_len = pack("V", strlen($dir_long) );
$stream_len = pack("V", 0);//strlen($dir_long) + 0x06);
// Pack the undocumented parts of the hyperlink stream
$unknown1 = pack("H*",'D0C9EA79F9BACE118C8200AA004BA90B02000000' );
$unknown2 = pack("H*",'0303000000000000C000000000000046' );
$unknown3 = pack("H*",'FFFFADDE000000000000000000000000000000000000000');
$unknown4 = pack("v", 0x03 );
// Pack the main data stream
$data = pack("vvvv", $row1, $row2, $col1, $col2) .
$unknown1 .
$link_type .
$unknown2 .
$up_count .
$dir_short_len.
$dir_short .
$unknown3 .
$stream_len ;/*.
$dir_long_len .
$unknown4 .
$dir_long .
$sheet_len .
$sheet ;*/
// Pack the header data
$length = strlen($data);
$header = pack("vv", $record, $length);
// Write the packed data
$this->_append($header. $data);
return 0;
}
/**
* This method is used to set the height and format for a row.
*
* @access public
* @param integer $row The row to set
* @param integer $height Height we are giving to the row.
* Use null to set XF without setting height
* @param mixed $format XF format we are giving to the row
* @param bool $hidden The optional hidden attribute
* @param integer $level The optional outline level for row, in range [0,7]
*/
function setRow($row, $height, $format = null, $hidden = false, $level = 0)
{
$record = 0x0208; // Record identifier
$length = 0x0010; // Number of bytes to follow
$colMic = 0x0000; // First defined column
$colMac = 0x0000; // Last defined column
$irwMac = 0x0000; // Used by Excel to optimise loading
$reserved = 0x0000; // Reserved
$grbit = 0x0000; // Option flags
$ixfe = $this->_XF($format); // XF index
if ( $height < 0 ){
$height = null;
}
// set _row_sizes so _sizeRow() can use it
$this->_row_sizes[$row] = $height;
// Use setRow($row, null, $XF) to set XF format without setting height
if ($height != null) {
$miyRw = $height * 20; // row height
} else {
$miyRw = 0xff; // default row height is 256
}
$level = max(0, min($level, 7)); // level should be between 0 and 7
$this->_outline_row_level = max($level, $this->_outline_row_level);
// Set the options flags. fUnsynced is used to show that the font and row
// heights are not compatible. This is usually the case for WriteExcel.
// The collapsed flag 0x10 doesn't seem to be used to indicate that a row
// is collapsed. Instead it is used to indicate that the previous row is
// collapsed. The zero height flag, 0x20, is used to collapse a row.
$grbit |= $level;
if ($hidden) {
$grbit |= 0x0020;
}
$grbit |= 0x0040; // fUnsynced
if ($format) {
$grbit |= 0x0080;
}
$grbit |= 0x0100;
$header = pack("vv", $record, $length);
$data = pack("vvvvvvvv", $row, $colMic, $colMac, $miyRw,
$irwMac,$reserved, $grbit, $ixfe);
$this->_append($header.$data);
}
/**
* Writes Excel DIMENSIONS to define the area in which there is data.
*
* @access private
*/
function _storeDimensions()
{
$record = 0x0200; // Record identifier
$row_min = $this->_dim_rowmin; // First row
$row_max = $this->_dim_rowmax + 1; // Last row plus 1
$col_min = $this->_dim_colmin; // First column
$col_max = $this->_dim_colmax + 1; // Last column plus 1
$reserved = 0x0000; // Reserved by Excel
if ($this->_BIFF_version == 0x0500) {
$length = 0x000A; // Number of bytes to follow
$data = pack("vvvvv", $row_min, $row_max,
$col_min, $col_max, $reserved);
} elseif ($this->_BIFF_version == 0x0600) {
$length = 0x000E;
//$data = pack("VVvvv", $row_min, $row_max,
// $col_min, $col_max, $reserved);
$data = pack("VVvvv", $this->_firstRowIndex, $this->_lastRowIndex + 1,
$this->_firstColumnIndex, $this->_lastColumnIndex + 1, $reserved);
}
$header = pack("vv", $record, $length);
$this->_prepend($header.$data);
}
/**
* Write BIFF record Window2.
*
* @access private
*/
function _storeWindow2()
{
$record = 0x023E; // Record identifier
if ($this->_BIFF_version == 0x0500) {
$length = 0x000A; // Number of bytes to follow
} elseif ($this->_BIFF_version == 0x0600) {
$length = 0x0012;
}
$grbit = 0x00B6; // Option flags
$rwTop = 0x0000; // Top row visible in window
$colLeft = 0x0000; // Leftmost column visible in window
// The options flags that comprise $grbit
$fDspFmla = 0; // 0 - bit
$fDspGrid = $this->_phpSheet->getShowGridlines() ? 1 : 0; // 1
$fDspRwCol = 1; // 2
$fFrozen = $this->_phpSheet->getFreezePane() ? 1 : 0; // 3
$fDspZeros = 1; // 4
$fDefaultHdr = 1; // 5
$fArabic = 0; // 6
$fDspGuts = $this->_outline_on; // 7
$fFrozenNoSplit = 0; // 0 - bit
$fSelected = $this->selected; // 1
$fPaged = 1; // 2
$grbit = $fDspFmla;
$grbit |= $fDspGrid << 1;
$grbit |= $fDspRwCol << 2;
$grbit |= $fFrozen << 3;
$grbit |= $fDspZeros << 4;
$grbit |= $fDefaultHdr << 5;
$grbit |= $fArabic << 6;
$grbit |= $fDspGuts << 7;
$grbit |= $fFrozenNoSplit << 8;
$grbit |= $fSelected << 9;
$grbit |= $fPaged << 10;
$header = pack("vv", $record, $length);
$data = pack("vvv", $grbit, $rwTop, $colLeft);
// FIXME !!!
if ($this->_BIFF_version == 0x0500) {
$rgbHdr = 0x00000000; // Row/column heading and gridline color
$data .= pack("V", $rgbHdr);
} elseif ($this->_BIFF_version == 0x0600) {
$rgbHdr = 0x0040; // Row/column heading and gridline color index
$zoom_factor_page_break = 0x0000;
$zoom_factor_normal = 0x0000;
$data .= pack("vvvvV", $rgbHdr, 0x0000, $zoom_factor_page_break, $zoom_factor_normal, 0x00000000);
}
$this->_append($header.$data);
}
/**
* Write BIFF record DEFAULTROWHEIGHT.
*
* @access private
*/
private function _storeDefaultRowHeight()
{
$defaultRowHeight = $this->_phpSheet->getDefaultRowDimension()->getRowHeight();
if ($defaultRowHeight < 0) {
return;
}
// convert to twips
$defaultRowHeight = (int) 20 * $defaultRowHeight;
$record = 0x0225; // Record identifier
$length = 0x0004; // Number of bytes to follow
$header = pack("vv", $record, $length);
$data = pack("vv", 1, $defaultRowHeight);
$this->_prepend($header . $data);
}
/**
* Write BIFF record DEFCOLWIDTH if COLINFO records are in use.
*
* @access private
*/
function _storeDefcol()
{
$defaultColWidth = (int) $this->_phpSheet->getDefaultColumnDimension()->getWidth();
if ($defaultColWidth < 0) {
return;
}
$record = 0x0055; // Record identifier
$length = 0x0002; // Number of bytes to follow
$header = pack("vv", $record, $length);
$data = pack("v", $defaultColWidth);
$this->_prepend($header . $data);
}
/**
* Write BIFF record COLINFO to define column widths
*
* Note: The SDK says the record length is 0x0B but Excel writes a 0x0C
* length record.
*
* @access private
* @param array $col_array This is the only parameter received and is composed of the following:
* 0 => First formatted column,
* 1 => Last formatted column,
* 2 => Col width (8.43 is Excel default),
* 3 => The optional XF format of the column,
* 4 => Option flags.
* 5 => Optional outline level
*/
function _storeColinfo($col_array)
{
if (isset($col_array[0])) {
$colFirst = $col_array[0];
}
if (isset($col_array[1])) {
$colLast = $col_array[1];
}
if (isset($col_array[2])) {
$coldx = $col_array[2];
} else {
$coldx = 8.43;
}
if (isset($col_array[3])) {
$format = $col_array[3];
} else {
$format = 0;
}
if (isset($col_array[4])) {
$grbit = $col_array[4];
} else {
$grbit = 0;
}
if (isset($col_array[5])) {
$level = $col_array[5];
} else {
$level = 0;
}
$record = 0x007D; // Record identifier
$length = 0x000B; // Number of bytes to follow
$coldx *= 256; // Convert to units of 1/256 of a char
$ixfe = $this->_XF($format);
$reserved = 0x00; // Reserved
$level = max(0, min($level, 7));
$grbit |= $level << 8;
$header = pack("vv", $record, $length);
$data = pack("vvvvvC", $colFirst, $colLast, $coldx,
$ixfe, $grbit, $reserved);
$this->_prepend($header.$data);
}
/**
* Write BIFF record SELECTION.
*
* @access private
* @param array $array array containing ($rwFirst,$colFirst,$rwLast,$colLast)
* @see setSelection()
*/
function _storeSelection($array)
{
list($rwFirst,$colFirst,$rwLast,$colLast) = $array;
$record = 0x001D; // Record identifier
$length = 0x000F; // Number of bytes to follow
$pnn = $this->_active_pane; // Pane position
$rwAct = $rwFirst; // Active row
$colAct = $colFirst; // Active column
$irefAct = 0; // Active cell ref
$cref = 1; // Number of refs
if (!isset($rwLast)) {
$rwLast = $rwFirst; // Last row in reference
}
if (!isset($colLast)) {
$colLast = $colFirst; // Last col in reference
}
// Swap last row/col for first row/col as necessary
if ($rwFirst > $rwLast) {
list($rwFirst, $rwLast) = array($rwLast, $rwFirst);
}
if ($colFirst > $colLast) {
list($colFirst, $colLast) = array($colLast, $colFirst);
}
$header = pack("vv", $record, $length);
$data = pack("CvvvvvvCC", $pnn, $rwAct, $colAct,
$irefAct, $cref,
$rwFirst, $rwLast,
$colFirst, $colLast);
$this->_append($header . $data);
}
/**
* Store the MERGEDCELLS records for all ranges of merged cells
*
* @access private
*/
function _storeMergedCells()
{
$mergeCells = $this->_phpSheet->getMergeCells();
$countMergeCells = count($mergeCells);
if ($countMergeCells == 0) {
return;
}
// maximum allowed number of merged cells per record
// there is room for 1027, but if we set higher than 259, record will be split, fix later
$maxCountMergeCellsPerRecord = 259;
// record identifier
$record = 0x00E5;
// counter for total number of merged cells treated so far by the writer
$i = 0;
// counter for number of merged cells written in record currently being written
$j = 0;
// initialize record data
$recordData = '';
// loop through the merged cells
foreach ($mergeCells as $mergeCell) {
++$i;
++$j;
// extract the row and column indexes
list($first, $last) = PHPExcel_Cell::splitRange($mergeCell);
list($firstColumn, $firstRow) = PHPExcel_Cell::coordinateFromString($first);
list($lastColumn, $lastRow) = PHPExcel_Cell::coordinateFromString($last);
$recordData .= pack('vvvv', $firstRow - 1, $lastRow - 1, PHPExcel_Cell::columnIndexFromString($firstColumn) - 1, PHPExcel_Cell::columnIndexFromString($lastColumn) - 1);
// flush record if we have reached limit for number of merged cells, or reached final merged cell
if ($j == $maxCountMergeCellsPerRecord or $i == $countMergeCells) {
$recordData = pack('v', $j) . $recordData;
$length = strlen($recordData);
$header = pack('vv', $record, $length);
$this->_append($header . $recordData);
// initialize for next record, if any
$recordData = '';
$j = 0;
}
}
}
/**
* Write BIFF record RANGEPROTECTION
*
* Openoffice.org's Documentaion of the Microsoft Excel File Format uses term RANGEPROTECTION for these records
* Microsoft Office Excel 97-2007 Binary File Format Specification uses term FEAT for these records
*/
private function _storeRangeProtection()
{
foreach ($this->_phpSheet->getProtectedCells() as $range => $password) {
// number of ranges, e.g. 'A1:B3 C20:D25'
$cellRanges = explode(' ', $range);
$cref = count($cellRanges);
$recordData = pack(
'vvVVvCVvVv',
0x0868,
0x00,
0x0000,
0x0000,
0x02,
0x0,
0x0000,
$cref,
0x0000,
0x00
);
foreach ($cellRanges as $cellRange) {
$recordData .= $this->_writeBIFF8CellRangeAddressFixed($cellRange);
}
// the rgbFeat structure
$recordData .= pack(
'VV',
0x0000,
hexdec($password)
);
$recordData .= PHPExcel_Shared_String::UTF8toBIFF8UnicodeLong('p' . md5($recordData));
$length = strlen($recordData);
$record = 0x0868; // Record identifier
$header = pack("vv", $record, $length);
$this->_append($header . $recordData);
}
}
/**
* Write BIFF record EXTERNCOUNT to indicate the number of external sheet
* references in a worksheet.
*
* Excel only stores references to external sheets that are used in formulas.
* For simplicity we store references to all the sheets in the workbook
* regardless of whether they are used or not. This reduces the overall
* complexity and eliminates the need for a two way dialogue between the formula
* parser the worksheet objects.
*
* @access private
* @param integer $count The number of external sheet references in this worksheet
*/
function _storeExterncount($count)
{
$record = 0x0016; // Record identifier
$length = 0x0002; // Number of bytes to follow
$header = pack("vv", $record, $length);
$data = pack("v", $count);
$this->_prepend($header . $data);
}
/**
* Writes the Excel BIFF EXTERNSHEET record. These references are used by
* formulas. A formula references a sheet name via an index. Since we store a
* reference to all of the external worksheets the EXTERNSHEET index is the same
* as the worksheet index.
*
* @access private
* @param string $sheetname The name of a external worksheet
*/
function _storeExternsheet($sheetname)
{
$record = 0x0017; // Record identifier
// References to the current sheet are encoded differently to references to
// external sheets.
//
if ($this->name == $sheetname) {
$sheetname = '';
$length = 0x02; // The following 2 bytes
$cch = 1; // The following byte
$rgch = 0x02; // Self reference
} else {
$length = 0x02 + strlen($sheetname);
$cch = strlen($sheetname);
$rgch = 0x03; // Reference to a sheet in the current workbook
}
$header = pack("vv", $record, $length);
$data = pack("CC", $cch, $rgch);
$this->_prepend($header . $data . $sheetname);
}
/**
* Writes the Excel BIFF PANE record.
* The panes can either be frozen or thawed (unfrozen).
* Frozen panes are specified in terms of an integer number of rows and columns.
* Thawed panes are specified in terms of Excel's units for rows and columns.
*
* @access private
*/
function _storePanes()
{
$panes = array();
if ($freezePane = $this->_phpSheet->getFreezePane()) {
list($column, $row) = PHPExcel_Cell::coordinateFromString($freezePane);
$panes[0] = $row - 1;
$panes[1] = PHPExcel_Cell::columnIndexFromString($column) - 1;
} else {
// thaw panes
return;
}
$y = isset($panes[0]) ? $panes[0] : null;
$x = isset($panes[1]) ? $panes[1] : null;
$rwTop = isset($panes[2]) ? $panes[2] : null;
$colLeft = isset($panes[3]) ? $panes[3] : null;
if (count($panes) > 4) { // if Active pane was received
$pnnAct = $panes[4];
} else {
$pnnAct = null;
}
$record = 0x0041; // Record identifier
$length = 0x000A; // Number of bytes to follow
// Code specific to frozen or thawed panes.
if ($this->_phpSheet->getFreezePane()) {
// Set default values for $rwTop and $colLeft
if (!isset($rwTop)) {
$rwTop = $y;
}
if (!isset($colLeft)) {
$colLeft = $x;
}
} else {
// Set default values for $rwTop and $colLeft
if (!isset($rwTop)) {
$rwTop = 0;
}
if (!isset($colLeft)) {
$colLeft = 0;
}
// Convert Excel's row and column units to the internal units.
// The default row height is 12.75
// The default column width is 8.43
// The following slope and intersection values were interpolated.
//
$y = 20*$y + 255;
$x = 113.879*$x + 390;
}
// Determine which pane should be active. There is also the undocumented
// option to override this should it be necessary: may be removed later.
//
if (!isset($pnnAct)) {
if ($x != 0 && $y != 0) {
$pnnAct = 0; // Bottom right
}
if ($x != 0 && $y == 0) {
$pnnAct = 1; // Top right
}
if ($x == 0 && $y != 0) {
$pnnAct = 2; // Bottom left
}
if ($x == 0 && $y == 0) {
$pnnAct = 3; // Top left
}
}
$this->_active_pane = $pnnAct; // Used in _storeSelection
$header = pack("vv", $record, $length);
$data = pack("vvvvv", $x, $y, $rwTop, $colLeft, $pnnAct);
$this->_append($header . $data);
}
/**
* Store the page setup SETUP BIFF record.
*
* @access private
*/
function _storeSetup()
{
$record = 0x00A1; // Record identifier
$length = 0x0022; // Number of bytes to follow
$iPaperSize = $this->_phpSheet->getPageSetup()->getPaperSize(); // Paper size
$iScale = $this->_phpSheet->getPageSetup()->getScale() ?
$this->_phpSheet->getPageSetup()->getScale() : 100; // Print scaling factor
$iPageStart = 0x01; // Starting page number
$iFitWidth = (int) $this->_phpSheet->getPageSetup()->getFitToWidth(); // Fit to number of pages wide
$iFitHeight = (int) $this->_phpSheet->getPageSetup()->getFitToHeight(); // Fit to number of pages high
$grbit = 0x00; // Option flags
$iRes = 0x0258; // Print resolution
$iVRes = 0x0258; // Vertical print resolution
$numHdr = $this->_phpSheet->getPageMargins()->getHeader(); // Header Margin
$numFtr = $this->_phpSheet->getPageMargins()->getFooter(); // Footer Margin
$iCopies = 0x01; // Number of copies
$fLeftToRight = 0x0; // Print over then down
// Page orientation
$fLandscape = ($this->_phpSheet->getPageSetup()->getOrientation() == PHPExcel_Worksheet_PageSetup::ORIENTATION_LANDSCAPE) ?
0x0 : 0x1;
$fNoPls = 0x0; // Setup not read from printer
$fNoColor = 0x0; // Print black and white
$fDraft = 0x0; // Print draft quality
$fNotes = 0x0; // Print notes
$fNoOrient = 0x0; // Orientation not set
$fUsePage = 0x0; // Use custom starting page
$grbit = $fLeftToRight;
$grbit |= $fLandscape << 1;
$grbit |= $fNoPls << 2;
$grbit |= $fNoColor << 3;
$grbit |= $fDraft << 4;
$grbit |= $fNotes << 5;
$grbit |= $fNoOrient << 6;
$grbit |= $fUsePage << 7;
$numHdr = pack("d", $numHdr);
$numFtr = pack("d", $numFtr);
if ($this->_byte_order) { // if it's Big Endian
$numHdr = strrev($numHdr);
$numFtr = strrev($numFtr);
}
$header = pack("vv", $record, $length);
$data1 = pack("vvvvvvvv", $iPaperSize,
$iScale,
$iPageStart,
$iFitWidth,
$iFitHeight,
$grbit,
$iRes,
$iVRes);
$data2 = $numHdr.$numFtr;
$data3 = pack("v", $iCopies);
$this->_prepend($header . $data1 . $data2 . $data3);
}
/**
* Store the header caption BIFF record.
*
* @access private
*/
function _storeHeader()
{
$record = 0x0014; // Record identifier
/* removing for now
// need to fix character count (multibyte!)
if (strlen($this->_phpSheet->getHeaderFooter()->getOddHeader()) <= 255) {
$str = $this->_phpSheet->getHeaderFooter()->getOddHeader(); // header string
} else {
$str = '';
}
*/
if ($this->_BIFF_version == 0x0600) {
$recordData = PHPExcel_Shared_String::UTF8toBIFF8UnicodeLong($this->_phpSheet->getHeaderFooter()->getOddHeader());
$length = strlen($recordData);
} else {
$cch = strlen($str); // Length of header string
$length = 1 + $cch; // Bytes to follow
$data = pack("C", $cch);
$recordData = $data . $str;
}
$header = pack("vv", $record, $length);
$this->_prepend($header . $recordData);
}
/**
* Store the footer caption BIFF record.
*
* @access private
*/
function _storeFooter()
{
$record = 0x0015; // Record identifier
/* removing for now
// need to fix character count (multibyte!)
if (strlen($this->_phpSheet->getHeaderFooter()->getOddFooter()) <= 255) {
$str = $this->_phpSheet->getHeaderFooter()->getOddFooter();
} else {
$str = '';
}
*/
if ($this->_BIFF_version == 0x0600) {
$recordData = PHPExcel_Shared_String::UTF8toBIFF8UnicodeLong($this->_phpSheet->getHeaderFooter()->getOddFooter());
$length = strlen($recordData);
} else {
$cch = strlen($str); // Length of footer string
$length = 1 + $cch;
$data = pack("C", $cch);
$recordData = $data . $str;
}
$header = pack("vv", $record, $length);
$this->_prepend($header . $recordData);
}
/**
* Store the horizontal centering HCENTER BIFF record.
*
* @access private
*/
function _storeHcenter()
{
$record = 0x0083; // Record identifier
$length = 0x0002; // Bytes to follow
$fHCenter = $this->_phpSheet->getPageSetup()->getHorizontalCentered() ? 1 : 0; // Horizontal centering
$header = pack("vv", $record, $length);
$data = pack("v", $fHCenter);
$this->_prepend($header.$data);
}
/**
* Store the vertical centering VCENTER BIFF record.
*
* @access private
*/
function _storeVcenter()
{
$record = 0x0084; // Record identifier
$length = 0x0002; // Bytes to follow
$fVCenter = $this->_phpSheet->getPageSetup()->getVerticalCentered() ? 1 : 0; // Horizontal centering
$header = pack("vv", $record, $length);
$data = pack("v", $fVCenter);
$this->_prepend($header . $data);
}
/**
* Store the LEFTMARGIN BIFF record.
*
* @access private
*/
function _storeMarginLeft()
{
$record = 0x0026; // Record identifier
$length = 0x0008; // Bytes to follow
$margin = $this->_phpSheet->getPageMargins()->getLeft(); // Margin in inches
$header = pack("vv", $record, $length);
$data = pack("d", $margin);
if ($this->_byte_order) { // if it's Big Endian
$data = strrev($data);
}
$this->_prepend($header . $data);
}
/**
* Store the RIGHTMARGIN BIFF record.
*
* @access private
*/
function _storeMarginRight()
{
$record = 0x0027; // Record identifier
$length = 0x0008; // Bytes to follow
$margin = $this->_phpSheet->getPageMargins()->getRight(); // Margin in inches
$header = pack("vv", $record, $length);
$data = pack("d", $margin);
if ($this->_byte_order) { // if it's Big Endian
$data = strrev($data);
}
$this->_prepend($header . $data);
}
/**
* Store the TOPMARGIN BIFF record.
*
* @access private
*/
function _storeMarginTop()
{
$record = 0x0028; // Record identifier
$length = 0x0008; // Bytes to follow
$margin = $this->_phpSheet->getPageMargins()->getTop(); // Margin in inches
$header = pack("vv", $record, $length);
$data = pack("d", $margin);
if ($this->_byte_order) { // if it's Big Endian
$data = strrev($data);
}
$this->_prepend($header . $data);
}
/**
* Store the BOTTOMMARGIN BIFF record.
*
* @access private
*/
function _storeMarginBottom()
{
$record = 0x0029; // Record identifier
$length = 0x0008; // Bytes to follow
$margin = $this->_phpSheet->getPageMargins()->getBottom(); // Margin in inches
$header = pack("vv", $record, $length);
$data = pack("d", $margin);
if ($this->_byte_order) { // if it's Big Endian
$data = strrev($data);
}
$this->_prepend($header . $data);
}
/**
* Write the PRINTHEADERS BIFF record.
*
* @access private
*/
function _storePrintHeaders()
{
$record = 0x002a; // Record identifier
$length = 0x0002; // Bytes to follow
$fPrintRwCol = $this->_print_headers; // Boolean flag
$header = pack("vv", $record, $length);
$data = pack("v", $fPrintRwCol);
$this->_prepend($header . $data);
}
/**
* Write the PRINTGRIDLINES BIFF record. Must be used in conjunction with the
* GRIDSET record.
*
* @access private
*/
function _storePrintGridlines()
{
$record = 0x002b; // Record identifier
$length = 0x0002; // Bytes to follow
$fPrintGrid = $this->_phpSheet->getPrintGridlines() ? 1 : 0; // Boolean flag
$header = pack("vv", $record, $length);
$data = pack("v", $fPrintGrid);
$this->_prepend($header . $data);
}
/**
* Write the GRIDSET BIFF record. Must be used in conjunction with the
* PRINTGRIDLINES record.
*
* @access private
*/
function _storeGridset()
{
$record = 0x0082; // Record identifier
$length = 0x0002; // Bytes to follow
$fGridSet = !$this->_phpSheet->getPrintGridlines(); // Boolean flag
$header = pack("vv", $record, $length);
$data = pack("v", $fGridSet);
$this->_prepend($header . $data);
}
/**
* Write the GUTS BIFF record. This is used to configure the gutter margins
* where Excel outline symbols are displayed. The visibility of the gutters is
* controlled by a flag in WSBOOL.
*
* @see _storeWsbool()
* @access private
*/
function _storeGuts()
{
$record = 0x0080; // Record identifier
$length = 0x0008; // Bytes to follow
$dxRwGut = 0x0000; // Size of row gutter
$dxColGut = 0x0000; // Size of col gutter
$row_level = $this->_outline_row_level;
$col_level = 0;
// Calculate the maximum column outline level. The equivalent calculation
// for the row outline level is carried out in setRow().
$colcount = count($this->_colinfo);
for ($i = 0; $i < $colcount; ++$i) {
$col_level = max($this->_colinfo[$i][5], $col_level);
}
// Set the limits for the outline levels (0 <= x <= 7).
$col_level = max(0, min($col_level, 7));
// The displayed level is one greater than the max outline levels
if ($row_level) {
++$row_level;
}
if ($col_level) {
++$col_level;
}
$header = pack("vv", $record, $length);
$data = pack("vvvv", $dxRwGut, $dxColGut, $row_level, $col_level);
$this->_prepend($header.$data);
}
/**
* Write the WSBOOL BIFF record, mainly for fit-to-page. Used in conjunction
* with the SETUP record.
*
* @access private
*/
function _storeWsbool()
{
$record = 0x0081; // Record identifier
$length = 0x0002; // Bytes to follow
$grbit = 0x0000;
// The only option that is of interest is the flag for fit to page. So we
// set all the options in one go.
//
// Set the option flags
$grbit |= 0x0001; // Auto page breaks visible
if ($this->_outline_style) {
$grbit |= 0x0020; // Auto outline styles
}
if ($this->_phpSheet->getShowSummaryBelow()) {
$grbit |= 0x0040; // Outline summary below
}
if ($this->_phpSheet->getShowSummaryRight()) {
$grbit |= 0x0080; // Outline summary right
}
if ($this->_phpSheet->getPageSetup()->getFitToWidth() || $this->_phpSheet->getPageSetup()->getFitToHeight()) {
$grbit |= 0x0100; // Page setup fit to page
}
if ($this->_outline_on) {
$grbit |= 0x0400; // Outline symbols displayed
}
$header = pack("vv", $record, $length);
$data = pack("v", $grbit);
$this->_prepend($header . $data);
}
/**
* Write the HORIZONTALPAGEBREAKS and VERTICALPAGEBREAKS BIFF records.
*/
private function _storeBreaks()
{
// initialize
$vbreaks = array();
$hbreaks = array();
foreach ($this->_phpSheet->getBreaks() as $cell => $breakType) {
// Fetch coordinates
$coordinates = PHPExcel_Cell::coordinateFromString($cell);
// Decide what to do by the type of break
switch ($breakType) {
case PHPExcel_Worksheet::BREAK_COLUMN:
// Add to list of vertical breaks
$vbreaks[] = PHPExcel_Cell::columnIndexFromString($coordinates[0]) - 1;
break;
case PHPExcel_Worksheet::BREAK_ROW:
// Add to list of horizontal breaks
$hbreaks[] = $coordinates[1];
break;
case PHPExcel_Worksheet::BREAK_NONE:
default:
// Nothing to do
break;
}
}
// vertical page breaks
if (count($vbreaks) > 0) {
// 1000 vertical pagebreaks appears to be an internal Excel 5 limit.
// It is slightly higher in Excel 97/200, approx. 1026
$vbreaks = array_slice($vbreaks, 0, 1000);
// Sort and filter array of page breaks
sort($vbreaks, SORT_NUMERIC);
if ($vbreaks[0] == 0) { // don't use first break if it's 0
array_shift($vbreaks);
}
$record = 0x001a; // Record identifier
$cbrk = count($vbreaks); // Number of page breaks
if ($this->_BIFF_version == 0x0600) {
$length = 2 + 6 * $cbrk; // Bytes to follow
} else {
$length = 2 + 2 * $cbrk; // Bytes to follow
}
$header = pack("vv", $record, $length);
$data = pack("v", $cbrk);
// Append each page break
foreach ($vbreaks as $vbreak) {
if ($this->_BIFF_version == 0x0600) {
$data .= pack("vvv", $vbreak, 0x0000, 0xffff);
} else {
$data .= pack("v", $vbreak);
}
}
$this->_prepend($header . $data);
}
//horizontal page breaks
if (count($hbreaks) > 0) {
// Sort and filter array of page breaks
sort($hbreaks, SORT_NUMERIC);
if ($hbreaks[0] == 0) { // don't use first break if it's 0
array_shift($hbreaks);
}
$record = 0x001b; // Record identifier
$cbrk = count($hbreaks); // Number of page breaks
if ($this->_BIFF_version == 0x0600) {
$length = 2 + 6 * $cbrk; // Bytes to follow
} else {
$length = 2 + 2 * $cbrk; // Bytes to follow
}
$header = pack("vv", $record, $length);
$data = pack("v", $cbrk);
// Append each page break
foreach ($hbreaks as $hbreak) {
if ($this->_BIFF_version == 0x0600) {
$data .= pack("vvv", $hbreak, 0x0000, 0x00ff);
} else {
$data .= pack("v", $hbreak);
}
}
$this->_prepend($header . $data);
}
}
/**
* Set the Biff PROTECT record to indicate that the worksheet is protected.
*
* @access private
*/
function _storeProtect()
{
// Exit unless sheet protection has been specified
if (!$this->_phpSheet->getProtection()->getSheet()) {
return;
}
$record = 0x0012; // Record identifier
$length = 0x0002; // Bytes to follow
$fLock = 1; // Worksheet is protected
$header = pack("vv", $record, $length);
$data = pack("v", $fLock);
$this->_prepend($header.$data);
}
/**
* Write the worksheet PASSWORD record.
*
* @access private
*/
function _storePassword()
{
// Exit unless sheet protection and password have been specified
if (!$this->_phpSheet->getProtection()->getSheet() || !$this->_phpSheet->getProtection()->getPassword()) {
return;
}
$record = 0x0013; // Record identifier
$length = 0x0002; // Bytes to follow
$wPassword = hexdec($this->_phpSheet->getProtection()->getPassword()); // Encoded password
$header = pack("vv", $record, $length);
$data = pack("v", $wPassword);
$this->_prepend($header . $data);
}
/**
* Insert a 24bit bitmap image in a worksheet.
*
* @access public
* @param integer $row The row we are going to insert the bitmap into
* @param integer $col The column we are going to insert the bitmap into
* @param mixed $bitmap The bitmap filename or GD-image resource
* @param integer $x The horizontal position (offset) of the image inside the cell.
* @param integer $y The vertical position (offset) of the image inside the cell.
* @param float $scale_x The horizontal scale
* @param float $scale_y The vertical scale
*/
function insertBitmap($row, $col, $bitmap, $x = 0, $y = 0, $scale_x = 1, $scale_y = 1)
{
$bitmap_array = (is_resource($bitmap) ? $this->_processBitmapGd($bitmap) : $this->_processBitmap($bitmap));
list($width, $height, $size, $data) = $bitmap_array; //$this->_processBitmap($bitmap);
// Scale the frame of the image.
$width *= $scale_x;
$height *= $scale_y;
// Calculate the vertices of the image and write the OBJ record
$this->_positionImage($col, $row, $x, $y, $width, $height);
// Write the IMDATA record to store the bitmap data
$record = 0x007f;
$length = 8 + $size;
$cf = 0x09;
$env = 0x01;
$lcb = $size;
$header = pack("vvvvV", $record, $length, $cf, $env, $lcb);
$this->_append($header.$data);
}
/**
* Calculate the vertices that define the position of the image as required by
* the OBJ record.
*
* +------------+------------+
* | A | B |
* +-----+------------+------------+
* | |(x1,y1) | |
* | 1 |(A1)._______|______ |
* | | | | |
* | | | | |
* +-----+----| BITMAP |-----+
* | | | | |
* | 2 | |______________. |
* | | | (B2)|
* | | | (x2,y2)|
* +---- +------------+------------+
*
* Example of a bitmap that covers some of the area from cell A1 to cell B2.
*
* Based on the width and height of the bitmap we need to calculate 8 vars:
* $col_start, $row_start, $col_end, $row_end, $x1, $y1, $x2, $y2.
* The width and height of the cells are also variable and have to be taken into
* account.
* The values of $col_start and $row_start are passed in from the calling
* function. The values of $col_end and $row_end are calculated by subtracting
* the width and height of the bitmap from the width and height of the
* underlying cells.
* The vertices are expressed as a percentage of the underlying cell width as
* follows (rhs values are in pixels):
*
* x1 = X / W *1024
* y1 = Y / H *256
* x2 = (X-1) / W *1024
* y2 = (Y-1) / H *256
*
* Where: X is distance from the left side of the underlying cell
* Y is distance from the top of the underlying cell
* W is the width of the cell
* H is the height of the cell
*
* @access private
* @note the SDK incorrectly states that the height should be expressed as a
* percentage of 1024.
* @param integer $col_start Col containing upper left corner of object
* @param integer $row_start Row containing top left corner of object
* @param integer $x1 Distance to left side of object
* @param integer $y1 Distance to top of object
* @param integer $width Width of image frame
* @param integer $height Height of image frame
*/
function _positionImage($col_start, $row_start, $x1, $y1, $width, $height)
{
// Initialise end cell to the same as the start cell
$col_end = $col_start; // Col containing lower right corner of object
$row_end = $row_start; // Row containing bottom right corner of object
// Zero the specified offset if greater than the cell dimensions
if ($x1 >= $this->_sizeCol($col_start)) {
$x1 = 0;
}
if ($y1 >= $this->_sizeRow($row_start)) {
$y1 = 0;
}
$width = $width + $x1 -1;
$height = $height + $y1 -1;
// Subtract the underlying cell widths to find the end cell of the image
while ($width >= $this->_sizeCol($col_end)) {
$width -= $this->_sizeCol($col_end);
++$col_end;
}
// Subtract the underlying cell heights to find the end cell of the image
while ($height >= $this->_sizeRow($row_end)) {
$height -= $this->_sizeRow($row_end);
++$row_end;
}
// Bitmap isn't allowed to start or finish in a hidden cell, i.e. a cell
// with zero eight or width.
//
if ($this->_sizeCol($col_start) == 0) {
return;
}
if ($this->_sizeCol($col_end) == 0) {
return;
}
if ($this->_sizeRow($row_start) == 0) {
return;
}
if ($this->_sizeRow($row_end) == 0) {
return;
}
// Convert the pixel values to the percentage value expected by Excel
$x1 = $x1 / $this->_sizeCol($col_start) * 1024;
$y1 = $y1 / $this->_sizeRow($row_start) * 256;
$x2 = $width / $this->_sizeCol($col_end) * 1024; // Distance to right side of object
$y2 = $height / $this->_sizeRow($row_end) * 256; // Distance to bottom of object
$this->_storeObjPicture($col_start, $x1,
$row_start, $y1,
$col_end, $x2,
$row_end, $y2);
}
/**
* Convert the width of a cell from user's units to pixels. By interpolation
* the relationship is: y = 7x +5. If the width hasn't been set by the user we
* use the default value. If the col is hidden we use a value of zero.
*
* @access private
* @param integer $col The column
* @return integer The width in pixels
*/
function _sizeCol($col)
{
// Look up the cell value to see if it has been changed
if (isset($this->col_sizes[$col])) {
if ($this->col_sizes[$col] == 0) {
return(0);
} else {
return(floor(7 * $this->col_sizes[$col] + 5));
}
} else {
return(64);
}
}
/**
* Convert the height of a cell from user's units to pixels. By interpolation
* the relationship is: y = 4/3x. If the height hasn't been set by the user we
* use the default value. If the row is hidden we use a value of zero. (Not
* possible to hide row yet).
*
* @access private
* @param integer $row The row
* @return integer The width in pixels
*/
function _sizeRow($row)
{
// Look up the cell value to see if it has been changed
if (isset($this->_row_sizes[$row])) {
if ($this->_row_sizes[$row] == 0) {
return(0);
} else {
return(floor(4/3 * $this->_row_sizes[$row]));
}
} else {
return(17);
}
}
/**
* Store the OBJ record that precedes an IMDATA record. This could be generalise
* to support other Excel objects.
*
* @access private
* @param integer $colL Column containing upper left corner of object
* @param integer $dxL Distance from left side of cell
* @param integer $rwT Row containing top left corner of object
* @param integer $dyT Distance from top of cell
* @param integer $colR Column containing lower right corner of object
* @param integer $dxR Distance from right of cell
* @param integer $rwB Row containing bottom right corner of object
* @param integer $dyB Distance from bottom of cell
*/
function _storeObjPicture($colL,$dxL,$rwT,$dyT,$colR,$dxR,$rwB,$dyB)
{
$record = 0x005d; // Record identifier
$length = 0x003c; // Bytes to follow
$cObj = 0x0001; // Count of objects in file (set to 1)
$OT = 0x0008; // Object type. 8 = Picture
$id = 0x0001; // Object ID
$grbit = 0x0614; // Option flags
$cbMacro = 0x0000; // Length of FMLA structure
$Reserved1 = 0x0000; // Reserved
$Reserved2 = 0x0000; // Reserved
$icvBack = 0x09; // Background colour
$icvFore = 0x09; // Foreground colour
$fls = 0x00; // Fill pattern
$fAuto = 0x00; // Automatic fill
$icv = 0x08; // Line colour
$lns = 0xff; // Line style
$lnw = 0x01; // Line weight
$fAutoB = 0x00; // Automatic border
$frs = 0x0000; // Frame style
$cf = 0x0009; // Image format, 9 = bitmap
$Reserved3 = 0x0000; // Reserved
$cbPictFmla = 0x0000; // Length of FMLA structure
$Reserved4 = 0x0000; // Reserved
$grbit2 = 0x0001; // Option flags
$Reserved5 = 0x0000; // Reserved
$header = pack("vv", $record, $length);
$data = pack("V", $cObj);
$data .= pack("v", $OT);
$data .= pack("v", $id);
$data .= pack("v", $grbit);
$data .= pack("v", $colL);
$data .= pack("v", $dxL);
$data .= pack("v", $rwT);
$data .= pack("v", $dyT);
$data .= pack("v", $colR);
$data .= pack("v", $dxR);
$data .= pack("v", $rwB);
$data .= pack("v", $dyB);
$data .= pack("v", $cbMacro);
$data .= pack("V", $Reserved1);
$data .= pack("v", $Reserved2);
$data .= pack("C", $icvBack);
$data .= pack("C", $icvFore);
$data .= pack("C", $fls);
$data .= pack("C", $fAuto);
$data .= pack("C", $icv);
$data .= pack("C", $lns);
$data .= pack("C", $lnw);
$data .= pack("C", $fAutoB);
$data .= pack("v", $frs);
$data .= pack("V", $cf);
$data .= pack("v", $Reserved3);
$data .= pack("v", $cbPictFmla);
$data .= pack("v", $Reserved4);
$data .= pack("v", $grbit2);
$data .= pack("V", $Reserved5);
$this->_append($header . $data);
}
/**
* Convert a GD-image into the internal format.
*
* @access private
* @param resource $image The image to process
* @return array Array with data and properties of the bitmap
*/
function _processBitmapGd($image) {
$width = imagesx($image);
$height = imagesy($image);
$data = pack("Vvvvv", 0x000c, $width, $height, 0x01, 0x18);
for ($j=$height; $j--; ) {
for ($i=0; $i < $width; ++$i) {
$color = imagecolorsforindex($image, imagecolorat($image, $i, $j));
foreach (array("red", "green", "blue") as $key) {
$color[$key] = $color[$key] + round((255 - $color[$key]) * $color["alpha"] / 127);
}
$data .= chr($color["blue"]) . chr($color["green"]) . chr($color["red"]);
}
if (3*$width % 4) {
$data .= str_repeat("\x00", 4 - 3*$width % 4);
}
}
return array($width, $height, strlen($data), $data);
}
/**
* Convert a 24 bit bitmap into the modified internal format used by Windows.
* This is described in BITMAPCOREHEADER and BITMAPCOREINFO structures in the
* MSDN library.
*
* @access private
* @param string $bitmap The bitmap to process
* @return array Array with data and properties of the bitmap
*/
function _processBitmap($bitmap)
{
// Open file.
$bmp_fd = @fopen($bitmap,"rb");
if (!$bmp_fd) {
throw new Exception("Couldn't import $bitmap");
}
// Slurp the file into a string.
$data = fread($bmp_fd, filesize($bitmap));
// Check that the file is big enough to be a bitmap.
if (strlen($data) <= 0x36) {
throw new Exception("$bitmap doesn't contain enough data.\n");
}
// The first 2 bytes are used to identify the bitmap.
$identity = unpack("A2ident", $data);
if ($identity['ident'] != "BM") {
throw new Exception("$bitmap doesn't appear to be a valid bitmap image.\n");
}
// Remove bitmap data: ID.
$data = substr($data, 2);
// Read and remove the bitmap size. This is more reliable than reading
// the data size at offset 0x22.
//
$size_array = unpack("Vsa", substr($data, 0, 4));
$size = $size_array['sa'];
$data = substr($data, 4);
$size -= 0x36; // Subtract size of bitmap header.
$size += 0x0C; // Add size of BIFF header.
// Remove bitmap data: reserved, offset, header length.
$data = substr($data, 12);
// Read and remove the bitmap width and height. Verify the sizes.
$width_and_height = unpack("V2", substr($data, 0, 8));
$width = $width_and_height[1];
$height = $width_and_height[2];
$data = substr($data, 8);
if ($width > 0xFFFF) {
throw new Exception("$bitmap: largest image width supported is 65k.\n");
}
if ($height > 0xFFFF) {
throw new Exception("$bitmap: largest image height supported is 65k.\n");
}
// Read and remove the bitmap planes and bpp data. Verify them.
$planes_and_bitcount = unpack("v2", substr($data, 0, 4));
$data = substr($data, 4);
if ($planes_and_bitcount[2] != 24) { // Bitcount
throw new Exception("$bitmap isn't a 24bit true color bitmap.\n");
}
if ($planes_and_bitcount[1] != 1) {
throw new Exception("$bitmap: only 1 plane supported in bitmap image.\n");
}
// Read and remove the bitmap compression. Verify compression.
$compression = unpack("Vcomp", substr($data, 0, 4));
$data = substr($data, 4);
//$compression = 0;
if ($compression['comp'] != 0) {
throw new Exception("$bitmap: compression not supported in bitmap image.\n");
}
// Remove bitmap data: data size, hres, vres, colours, imp. colours.
$data = substr($data, 20);
// Add the BITMAPCOREHEADER data
$header = pack("Vvvvv", 0x000c, $width, $height, 0x01, 0x18);
$data = $header . $data;
return (array($width, $height, $size, $data));
}
/**
* Store the window zoom factor. This should be a reduced fraction but for
* simplicity we will store all fractions with a numerator of 100.
*
* @access private
*/
function _storeZoom()
{
// If scale is 100 we don't need to write a record
if ($this->_phpSheet->getSheetView()->getZoomScale() == 100) {
return;
}
$record = 0x00A0; // Record identifier
$length = 0x0004; // Bytes to follow
$header = pack("vv", $record, $length);
$data = pack("vv", $this->_phpSheet->getSheetView()->getZoomScale(), 100);
$this->_append($header . $data);
}
/**
* Store the DVAL and DV records.
*
* @access private
*/
function _storeDataValidity()
{
$record = 0x01b2; // Record identifier
$length = 0x0012; // Bytes to follow
$grbit = 0x0002; // Prompt box at cell, no cached validity data at DV records
$horPos = 0x00000000; // Horizontal position of prompt box, if fixed position
$verPos = 0x00000000; // Vertical position of prompt box, if fixed position
$objId = 0xffffffff; // Object identifier of drop down arrow object, or -1 if not visible
$header = pack('vv', $record, $length);
$data = pack('vVVVV', $grbit, $horPos, $verPos, $objId,
count($this->_dv));
$this->_append($header.$data);
$record = 0x01be; // Record identifier
foreach ($this->_dv as $dv) {
$length = strlen($dv); // Bytes to follow
$header = pack("vv", $record, $length);
$this->_append($header . $dv);
}
}
/**
* Set sheet dimensions
*
* @param int $firstRowIndex
* @param int $lastRowIndex
* @param int $firstColumnIndex
* @param int $lastColumnIndex
*/
public function setDimensions($firstRowIndex = 0, $lastRowIndex = -1, $firstColumnIndex = 0, $lastColumnIndex = -1)
{
$this->_firstRowIndex = $firstRowIndex;
$this->_lastRowIndex = $lastRowIndex;
$this->_firstColumnIndex = $firstColumnIndex;
$this->_lastColumnIndex = $lastColumnIndex;
}
}

Source for file Worksheet.php