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<?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:** Spreadsheet_Excel_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('Parser.php');require_once('BIFFwriter.php');/*** Class for generating Excel Spreadsheets** @author Xavier Noguer <xnoguer@rezebra.com>* @category FileFormats* @package Spreadsheet_Excel_Writer*/class Spreadsheet_Excel_Writer_Worksheet extends Spreadsheet_Excel_Writer_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;/*** Array containing the panes for the worksheet* @var array*/var $_panes;/*** The active pane for the worksheet* @var integer*/var $_active_pane;/*** Bit specifying if panes are frozen* @var integer*/var $_frozen;/*** Bit specifying if the worksheet is selected* @var integer*/var $selected;/*** The paper size (for printing) (DOCUMENT!!!)* @var integer*/var $_paper_size;/*** Bit specifying paper orientation (for printing). 0 => landscape, 1 => portrait* @var integer*/var $_orientation;/*** The page header caption* @var string*/var $_header;/*** The page footer caption* @var string*/var $_footer;/*** The horizontal centering value for the page* @var integer*/var $_hcenter;/*** The vertical centering value for the page* @var integer*/var $_vcenter;/*** The margin for the header* @var float*/var $_margin_head;/*** The margin for the footer* @var float*/var $_margin_foot;/*** The left margin for the worksheet in inches* @var float*/var $_margin_left;/*** The right margin for the worksheet in inches* @var float*/var $_margin_right;/*** The top margin for the worksheet in inches* @var float*/var $_margin_top;/*** The bottom margin for the worksheet in inches* @var float*/var $_margin_bottom;/*** First row to reapeat on each printed page* @var integer*/var $title_rowmin;/*** Last row to reapeat on each printed page* @var integer*/var $title_rowmax;/*** First column to reapeat on each printed page* @var integer*/var $title_colmin;/*** First row of the area to print* @var integer*/var $print_rowmin;/*** Last row to of the area to print* @var integer*/var $print_rowmax;/*** First column of the area to print* @var integer*/var $print_colmin;/*** Last column of the area to print* @var integer*/var $print_colmax;/*** 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 &$parser The formula parser created for the Workbook*/function Spreadsheet_Excel_Writer_Worksheet($name, $index, &$activesheet,&$firstsheet, &$url_format,&$parser){// It needs to call its parent's constructor explicitly$this->Spreadsheet_Excel_Writer_BIFFwriter();$rowmax = 65536; // 16384 in Excel 5$colmax = 256;$this->name = $name;$this->index = $index;$this->activesheet = &$activesheet;$this->firstsheet = &$firstsheet;$this->_url_format = &$url_format;$this->_parser = &$parser;//$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);$this->_panes = array();$this->_active_pane = 3;$this->_frozen = 0;$this->selected = 0;$this->_paper_size = 0x0;$this->_orientation = 0x1;$this->_header = '';$this->_footer = '';$this->_hcenter = 0;$this->_vcenter = 0;$this->_margin_head = 0.50;$this->_margin_foot = 0.50;$this->_margin_left = 0.75;$this->_margin_right = 0.75;$this->_margin_top = 1.00;$this->_margin_bottom = 1.00;$this->title_rowmin = NULL;$this->title_rowmax = NULL;$this->title_colmin = NULL;$this->title_colmax = NULL;$this->print_rowmin = NULL;$this->print_rowmax = NULL;$this->print_colmin = NULL;$this->print_colmax = NULL;$this->_print_gridlines = 1;$this->_print_headers = 0;$this->_fit_page = 0;$this->_fit_width = 0;$this->_fit_height = 0;$this->_hbreaks = array();$this->_vbreaks = array();$this->_protect = 0;$this->_password = NULL;$this->col_sizes = array();$this->row_sizes = array();$this->_zoom = 100;$this->_print_scale = 100;$this->_initialize();}/*** 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$fh = tmpfile();if ( $fh) {// Store filehandle$this->_filehandle = $fh;}else {// If tmpfile() fails store data in memory$this->_using_tmpfile = false;}}/*** Add data to the beginning of the workbook (note the reverse order)* and to the end of the workbook.** @access public* @see Spreadsheet_Excel_Writer_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();// 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 page breaks$this->_storeVbreak();// Prepend the horizontal page breaks$this->_storeHbreak();// Prepend WSBOOL$this->_storeWsbool();// Prepend GRIDSET$this->_storeGridset();// Prepend PRINTGRIDLINES$this->_storePrintGridlines();// Prepend PRINTHEADERS$this->_storePrintHeaders();// Prepend EXTERNSHEET referencesfor ($i = $num_sheets; $i > 0; $i--){$sheetname = $sheetnames[$i-1];$this->_storeExternsheet($sheetname);}// Prepend the EXTERNCOUNT of external references.$this->_storeExterncount($num_sheets);// Prepend the COLINFO records if they existif (!empty($this->_colinfo)){for($i=0; $i < count($this->_colinfo); $i++) {$this->_storeColinfo($this->_colinfo[$i]);}$this->_storeDefcol();}// Prepend the BOF record$this->_storeBof(0x0010);/** End of prepend. Read upwards from here.***********************************************/// Append$this->_storeWindow2();$this->_storeZoom();if (!empty($this->_panes)) {$this->_storePanes($this->_panes);}$this->_storeSelection($this->_selection);$this->_storeEof();}/*** 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 memoryif (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 diskif ($this->_using_tmpfile){if ($tmp = fread($this->_filehandle, $buffer)) {return($tmp);}}// No data to returnreturn('');}/*** 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 worksheet protection flag* to prevent accidental modification and to* hide formulas if the locked and hidden format properties have been set.** @access public* @param string $password The password to use for protecting the sheet.*/function protect($password){$this->_protect = 1;$this->_password = $this->_encodePassword($password);}/*** 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 $hidden The optional hidden atribute*/function setColumn($firstcol, $lastcol, $width, $format = 0, $hidden = 0){$this->_colinfo[] = array($firstcol, $lastcol, $width, &$format, $hidden);// Set width to zero if column is hidden$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 panes and mark them as frozen.** @access public* @param array $panes This is the only parameter received and is composed of the following:* 0 => Vertical split position,* 1 => Horizontal split position* 2 => Top row visible* 3 => Leftmost column visible* 4 => Active pane*/function freezePanes($panes){$this->_frozen = 1;$this->_panes = $panes;}/*** Set panes and mark them as unfrozen.** @access public* @param array $panes This is the only parameter received and is composed of the following:* 0 => Vertical split position,* 1 => Horizontal split position* 2 => Top row visible* 3 => Leftmost column visible* 4 => Active pane*/function thawPanes($panes){$this->_frozen = 0;$this->_panes = $panes;}/*** Set the page orientation as portrait.** @access public*/function setPortrait(){$this->_orientation = 1;}/*** Set the page orientation as landscape.** @access public*/function setLandscape(){$this->_orientation = 0;}/*** Set the paper type. Ex. 1 = US Letter, 9 = A4** @access public* @param integer $size The type of paper size to use*/function setPaper($size = 0){$this->_paper_size = $size;}/*** Set the page header caption and optional margin.** @access public* @param string $string The header text* @param float $margin optional head margin in inches.*/function setHeader($string,$margin = 0.50){if (strlen($string) >= 255) {//carp 'Header string must be less than 255 characters';return;}$this->_header = $string;$this->_margin_head = $margin;}/*** Set the page footer caption and optional margin.** @access public* @param string $string The footer text* @param float $margin optional foot margin in inches.*/function setFooter($string,$margin = 0.50){if (strlen($string) >= 255) {//carp 'Footer string must be less than 255 characters';return;}$this->_footer = $string;$this->_margin_foot = $margin;}/*** Center the page horinzontally.** @access public* @param integer $center the optional value for centering. Defaults to 1 (center).*/function centerHorizontally($center = 1){$this->_hcenter = $center;}/*** Center the page vertically.** @access public* @param integer $center the optional value for centering. Defaults to 1 (center).*/function centerVertically($center = 1){$this->_vcenter = $center;}/*** Set all the page margins to the same value in inches.** @access public* @param float $margin The margin to set in inches*/function setMargins($margin){$this->setMarginLeft($margin);$this->setMarginRight($margin);$this->setMarginTop($margin);$this->setMarginBottom($margin);}/*** Set the left and right margins to the same value in inches.** @access public* @param float $margin The margin to set in inches*/function setMargins_LR($margin){$this->setMarginLeft($margin);$this->setMarginRight($margin);}/*** Set the top and bottom margins to the same value in inches.** @access public* @param float $margin The margin to set in inches*/function setMargins_TB($margin){$this->setMarginTop($margin);$this->setMarginBottom($margin);}/*** Set the left margin in inches.** @access public* @param float $margin The margin to set in inches*/function setMarginLeft($margin = 0.75){$this->_margin_left = $margin;}/*** Set the right margin in inches.** @access public* @param float $margin The margin to set in inches*/function setMarginRight($margin = 0.75){$this->_margin_right = $margin;}/*** Set the top margin in inches.** @access public* @param float $margin The margin to set in inches*/function setMarginTop($margin = 1.00){$this->_margin_top = $margin;}/*** Set the bottom margin in inches.** @access public* @param float $margin The margin to set in inches*/function setMarginBottom($margin = 1.00){$this->_margin_bottom = $margin;}/*** Set the rows to repeat at the top of each printed page.** @access public* @param integer $first_row First row to repeat* @param integer $last_row Last row to repeat. Optional.*/function repeatRows($first_row, $last_row = NULL){$this->title_rowmin = $first_row;if (isset($last_row)) { //Second row is optional$this->title_rowmax = $last_row;}else {$this->title_rowmax = $first_row;}}/*** Set the columns to repeat at the left hand side of each printed page.** @access public* @param integer $first_col First column to repeat* @param integer $last_col Last column to repeat. Optional.*/function repeatColumns($first_col, $last_col = NULL){$this->title_colmin = $first_col;if (isset($last_col)) { // Second col is optional$this->title_colmax = $last_col;}else {$this->title_colmax = $first_col;}}/*** Set the area of each worksheet that will be printed.** @access public* @param integer $first_row First row of the area to print* @param integer $first_col First column of the area to print* @param integer $last_row Last row of the area to print* @param integer $last_col Last column of the area to print*/function printArea($first_row, $first_col, $last_row, $last_col){$this->print_rowmin = $first_row;$this->print_colmin = $first_col;$this->print_rowmax = $last_row;$this->print_colmax = $last_col;}/*** Set the option to hide gridlines on the printed page.** @access public*/function hideGridlines(){$this->_print_gridlines = 0;}/*** 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;}/*** Set the vertical and horizontal number of pages that will define the maximum area printed.* It doesn't seem to work with OpenOffice.** @access public* @param integer $width Maximun width of printed area in pages* @param integer $height Maximun heigth of printed area in pages* @see setPrintScale()*/function fitToPages($width, $height){$this->_fit_page = 1;$this->_fit_width = $width;$this->_fit_height = $height;}/*** Store the horizontal page breaks on a worksheet (for printing).* The breaks represent the row after which the break is inserted.** @access public* @param array $breaks Array containing the horizontal page breaks*/function setHPagebreaks($breaks){foreach($breaks as $break) {array_push($this->_hbreaks,$break);}}/*** Store the vertical page breaks on a worksheet (for printing).* The breaks represent the column after which the break is inserted.** @access public* @param array $breaks Array containing the vertical page breaks*/function setVPagebreaks($breaks){foreach($breaks as $break) {array_push($this->_vbreaks,$break);}}/*** Set the worksheet zoom factor.** @access public* @param integer $scale The zoom factor*/function setZoom($scale = 100){// Confine the scale to Excel's rangeif ($scale < 10 or $scale > 400){$this->raiseError("Zoom factor $scale outside range: 10 <= zoom <= 400");$scale = 100;}$this->_zoom = floor($scale);}/*** Set the scale factor for the printed page.* It turns off the "fit to page" option** @access public* @param integer $scale The optional scale factor. Defaults to 100*/function setPrintScale($scale = 100){// Confine the scale to Excel's rangeif ($scale < 10 or $scale > 400){$this->raiseError("Print scale $scale outside range: 10 <= zoom <= 400");$scale = 100;}// Turn off "fit to page" option$this->_fit_page = 0;$this->_print_scale = floor($scale);}/*** 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, $format = 0){// Check for a cell reference in A1 notation and substitute row and column/*if ($_[0] =~ /^\D/) {@_ = $this->_substituteCellref(@_);}*/// Match numberif (preg_match("/^([+-]?)(?=\d|\.\d)\d*(\.\d*)?([Ee]([+-]?\d+))?$/",$token)) {return $this->writeNumber($row,$col,$token,$format);}// Match http or ftp URLelseif (preg_match("/^[fh]tt?p:\/\//",$token)) {return $this->writeUrl($row, $col, $token, $format);}// Match mailto:elseif (preg_match("/^mailto:/",$token)) {return $this->writeUrl($row, $col, $token, $format);}// Match internal or external sheet linkelseif (preg_match("/^(?:in|ex)ternal:/",$token)) {return $this->writeUrl($row, $col, $token, $format);}// Match formulaelseif (preg_match("/^=/",$token)) {return $this->writeFormula($row, $col, $token, $format);}// Match formulaelseif (preg_match("/^@/",$token)) {return $this->writeFormula($row, $col, $token, $format);}// Match blankelseif ($token == '') {return $this->writeBlank($row,$col,$format);}// Default: match stringelse {return $this->writeString($row,$col,$token,$format);}}/*** Write an array of values as a row** @access public* @param* @return*/function writeRow($row, $col, $val, $format=0){if (is_array($val)) {foreach($val as $v) {if (is_array($v)) {$this->writeCol($row, $col, $v, $format);} else {$this->write($row, $col, $v, $format);}$col++;}} else {$retval = new PEAR_Error('$val needs to be an array');}return($retval);}/*** Write an array of values as a column** @access public* @param* @return*/function writeCol($row, $col, $val, $format=0){if (is_array($val)) {foreach($val as $v) {$this->write($row, $col, $v, $format);$row++;}} else {$retval = new PEAR_Error('$val needs to be an array');}return($retval);}/*** Returns an index to the XF record in the workbook** @access private* @param mixed &$format The optional XF format* @return integer The XF record index*/function _XF(&$format){if ($format != 0) {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 ($this->_using_tmpfile){// Add CONTINUE records if necessaryif (strlen($data) > $this->_limit) {$data = $this->_addContinue($data);}fwrite($this->_filehandle,$data);$this->_datasize += strlen($data);}else {parent::_append($data);}}/*** Substitute an Excel cell reference in A1 notation for zero based row and* column values in an argument list.** Ex: ("A4", "Hello") is converted to (3, 0, "Hello").** @access private* @param string $cell The cell reference. Or range of cells.* @return array*/function _substituteCellref($cell){$cell = strtoupper($cell);// Convert a column range: 'A:A' or 'B:G'if (preg_match("/([A-I]?[A-Z]):([A-I]?[A-Z])/",$cell,$match)) {list($no_use, $col1) = $this->_cellToRowcol($match[1] .'1'); // Add a dummy rowlist($no_use, $col2) = $this->_cellToRowcol($match[2] .'1'); // Add a dummy rowreturn(array($col1, $col2));}// Convert a cell range: 'A1:B7'if (preg_match("/\$?([A-I]?[A-Z]\$?\d+):\$?([A-I]?[A-Z]\$?\d+)/",$cell,$match)) {list($row1, $col1) = $this->_cellToRowcol($match[1]);list($row2, $col2) = $this->_cellToRowcol($match[2]);return(array($row1, $col1, $row2, $col2));}// Convert a cell reference: 'A1' or 'AD2000'if (preg_match("/\$?([A-I]?[A-Z]\$?\d+)/",$cell)) {list($row1, $col1) = $this->_cellToRowcol($match[1]);return(array($row1, $col1));}// TODO use real error codes$this->raiseError("Unknown cell reference $cell", 0, PEAR_ERROR_DIE);}/*** Convert an Excel cell reference in A1 notation to a zero based row and column* reference; converts C1 to (0, 2).** @access private* @param string $cell The cell reference.* @return array containing (row, column)*/function _cellToRowcol($cell){preg_match("/\$?([A-I]?[A-Z])\$?(\d+)/",$cell,$match);$col = $match[1];$row = $match[2];// Convert base26 column string to number$chars = explode('', $col);$expn = 0;$col = 0;while ($chars) {$char = array_pop($chars); // LS char first$col += (ord($char) -ord('A') +1) * pow(26,$expn);$expn++;}// Convert 1-index to zero-index$row--;$col--;return(array($row, $col));}/*** Based on the algorithm provided by Daniel Rentz of OpenOffice.** @access private* @param string $plaintext The password to be encoded in plaintext.* @return string The encoded password*/function _encodePassword($plaintext){$password = 0x0000;$i = 1; // char position// split the plain text password in its component characters$chars = preg_split('//', $plaintext, -1, PREG_SPLIT_NO_EMPTY);foreach($chars as $char){$value = ord($char) << $i; // shifted ASCII value$rotated_bits = $value >> 15; // rotated bits beyond bit 15$value &= 0x7fff; // first 15 bits$password ^= ($value | $rotated_bits);$i++;}$password ^= strlen($plaintext);$password ^= 0xCE4B;return($password);}/*************************************************************************************************************************************************************** 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, $format = 0){$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 valuesif ($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, $format = 0){$strlen = strlen($str);$record = 0x0204; // Record identifier$length = 0x0008 + $strlen; // Bytes to follow$xf = $this->_XF($format); // The cell format$str_error = 0;// Check that row and col are valid and store max and min valuesif ($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);}/*** 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 + $note_length; // Bytes to follow// Check that row and col are valid and store max and min valuesif ($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, $format){// Don't write a blank cell unless it has a formatif ($format == 0){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 valuesif ($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 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, $format = 0){$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$chn = 0x0000; // Must be zero// Check that row and col are valid and store max and min valuesif ($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 = $col;}// Strip the '=' or '@' sign at the beginning of the formula stringif (preg_match("/^=/",$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);if ($this->isError($error)){$this->writeString($row, $col, $error->getMessage());return -1;}$formula = $this->_parser->toReversePolish();if ($this->isError($formula)){$this->writeString($row, $col, $formula->getMessage());return -1;}$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, $chn, $formlen);$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* @param string $string Alternative label* @param mixed $format The cell format* @return integer*/function writeUrl($row, $col, $url, $string = '', $format = 0){// Add start row and col to arg listreturn($this->_writeUrl_range($row, $col, $row, $col, $url, $string, $format));}/*** 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* @param string $string Alternative label* @param mixed $format The cell format* @return integer*/function _writeUrl_range($row1, $col1, $row2, $col2, $url, $string = '', $format = 0){// Check for internal/external sheet links or default to web linkif (preg_match('[^internal:]', $url)) {return($this->_writeUrlInternal($row1, $col1, $row2, $col2, $url, $string, $format));}if (preg_match('[^external:]', $url)) {return($this->_writeUrlExternal($row1, $col1, $row2, $col2, $url, $string, $format));}return($this->_writeUrlWeb($row1, $col1, $row2, $col2, $url, $string, $format));}/*** Used to write http, ftp and mailto hyperlinks.* The link type ($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* @param string $str Alternative label* @param mixed $format The cell format* @return integer*/function _writeUrlWeb($row1, $col1, $row2, $col2, $url, $str, $format = 0){$record = 0x01B8; // Record identifier$length = 0x00000; // Bytes to followif ($format == 0) {$format = $this->_url_format;}// Write the visible label using the writeString() method.if ($str == '') {$str = $url;}$str_error = $this->writeString($row1, $col1, $str, $format);if (($str_error == -2) or ($str_error == -3)) {return $str_error;}// Pack the undocumented parts of the hyperlink stream$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. $url);return($str_error);}/*** 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* @param string $str Alternative label* @param mixed $format The cell format* @return integer*/function _writeUrlInternal($row1, $col1, $row2, $col2, $url, $str, $format = 0){$record = 0x01B8; // Record identifier$length = 0x00000; // Bytes to followif ($format == 0) {$format = $this->_url_format;}// Strip URL type$url = preg_replace('s[^internal:]', '', $url);// Write the visible labelif ($str == '') {$str = $url;}$str_error = $this->writeString($row1, $col1, $str, $format);if (($str_error == -2) or ($str_error == -3)) {return $str_error;}// Pack the undocumented parts of the hyperlink stream$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. $url);return($str_error);}/*** 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* @param string $str Alternative label* @param mixed $format The cell format* @return integer*/function _writeUrlExternal($row1, $col1, $row2, $col2, $url, $str, $format = 0){// 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$length = 0x00000; // Bytes to followif ($format == 0) {$format = $this->_url_format;}// Strip URL type and change Unix dir separator to Dos style (if needed)//$url = preg_replace('[^external:]', '', $url);$url = preg_replace('[/]', "\\", $url);// Write the visible labelif ($str == '') {$str = preg_replace('[\#]', ' - ', $url);}$str_error = $this->writeString($row1, $col1, $str, $format);if (($str_error == -2) or ($str_error == -3)) {return $str_error;}// Determine if the link is relative or absolute:// relative if link contains no dir separator, "somefile.xls"// relative if link starts with up-dir, "..\..\somefile.xls"// otherwise, absolute$absolute = 0x02; // Bit maskif (!preg_match('[\\]', $url)) {$absolute = 0x00;}if (preg_match('[^\.\.\\]', $url)) {$absolute = 0x00;}// 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)list($dir_long , $sheet) = explode('/\#/', $url);$link_type = 0x01 | $absolute;if (isset($sheet)) {$link_type |= 0x08;$sheet_len = pack("V", strlen($sheet) + 0x01);$sheet = join("\0", explode('', $sheet));$sheet .= "\0\0\0";}else {$sheet_len = '';$sheet = '';}// 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", explode('', $dir_long));$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", 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. $data);return($str_error);}/*** 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 $format XF format we are giving to the row*/function setRow($row, $height, $format = 0){$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 = 0x01C0; // Option flags. (monkey) see $1 do$ixfe = $this->_XF($format); // XF index// Use setRow($row, NULL, $XF) to set XF format without setting heightif ($height != NULL) {$miyRw = $height * 20; // row height}else {$miyRw = 0xff; // default row height is 256}$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(){$record = 0x0000; // Record identifier$length = 0x000A; // Number of bytes to follow$row_min = $this->_dim_rowmin; // First row$row_max = $this->_dim_rowmax; // Last row plus 1$col_min = $this->_dim_colmin; // First column$col_max = $this->_dim_colmax; // Last column plus 1$reserved = 0x0000; // Reserved by Excel$header = pack("vv", $record, $length);$data = pack("vvvvv", $row_min, $row_max,$col_min, $col_max, $reserved);$this->_prepend($header.$data);}/*** Write BIFF record Window2.** @access private*/function _storeWindow2(){$record = 0x023E; // Record identifier$length = 0x000A; // Number of bytes to follow$grbit = 0x00B6; // Option flags$rwTop = 0x0000; // Top row visible in window$colLeft = 0x0000; // Leftmost column visible in window$rgbHdr = 0x00000000; // Row/column heading and gridline color// The options flags that comprise $grbit$fDspFmla = 0; // 0 - bit$fDspGrid = 1; // 1$fDspRwCol = 1; // 2$fFrozen = $this->_frozen; // 3$fDspZeros = 1; // 4$fDefaultHdr = 1; // 5$fArabic = 0; // 6$fDspGuts = 1; // 7$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("vvvV", $grbit, $rwTop, $colLeft, $rgbHdr);$this->_append($header.$data);}/*** Write BIFF record DEFCOLWIDTH if COLINFO records are in use.** @access private*/function _storeDefcol(){$record = 0x0055; // Record identifier$length = 0x0002; // Number of bytes to follow$colwidth = 0x0008; // Default column width$header = pack("vv", $record, $length);$data = pack("v", $colwidth);$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 $col_array This is the only parameter received and is composed of the following:* 0 => First formatted column,* 1 => Last formatted column,* 2 => Col width (8.43 is Excel default),* 3 => The optional XF format of the column,* 4 => Option flags.*/function _storeColinfo($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;}$record = 0x007D; // Record identifier$length = 0x000B; // Number of bytes to follow$coldx += 0.72; // Fudge. Excel subtracts 0.72 !?$coldx *= 256; // Convert to units of 1/256 of a char$ixfe = $this->_XF($format);$reserved = 0x00; // Reserved$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$cref = 1; // Number of refsif (!isset($rwLast)) {$rwLast = $rwFirst; // Last row in reference}if (!isset($colLast)) {$colLast = $colFirst; // Last col in reference}// Swap last row/col for first row/col as necessaryif ($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);}/*** 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* @param array $panes This is the only parameter received and is composed of the following:* 0 => Vertical split position,* 1 => Horizontal split position* 2 => Top row visible* 3 => Leftmost column visible* 4 => Active pane*/function _storePanes($panes){$y = $panes[0];$x = $panes[1];$rwTop = $panes[2];$colLeft = $panes[3];if (count($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->_frozen){// Set default values for $rwTop and $colLeftif (!isset($rwTop)) {$rwTop = $y;}if (!isset($colLeft)) {$colLeft = $x;}}else{// Set default values for $rwTop and $colLeftif (!isset($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 and $y != 0)$pnnAct = 0; // Bottom rightif ($x != 0 and $y == 0)$pnnAct = 1; // Top rightif ($x == 0 and $y != 0)$pnnAct = 2; // Bottom leftif ($x == 0 and $y == 0)$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 = $this->_paper_size; // Paper size$iScale = $this->_print_scale; // Print scaling factor$iPageStart = 0x01; // Starting page number$iFitWidth = $this->_fit_width; // Fit to number of pages wide$iFitHeight = $this->_fit_height; // Fit to number of pages high$grbit = 0x00; // Option flags$iRes = 0x0258; // Print resolution$iVRes = 0x0258; // Vertical print resolution$numHdr = $this->_margin_head; // Header Margin$numFtr = $this->_margin_foot; // Footer Margin$iCopies = 0x01; // Number of copies$fLeftToRight = 0x0; // Print over then down$fLandscape = $this->_orientation; // Page orientation$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(){$record = 0x0014; // Record identifier$str = $this->_header; // header string$cch = strlen($str); // Length of header string$length = 1 + $cch; // Bytes to follow$header = pack("vv", $record, $length);$data = pack("C", $cch);$this->_append($header.$data.$str);}/*** Store the footer caption BIFF record.** @access private*/function _storeFooter(){$record = 0x0015; // Record identifier$str = $this->_footer; // Footer string$cch = strlen($str); // Length of footer string$length = 1 + $cch; // Bytes to follow$header = pack("vv", $record, $length);$data = pack("C", $cch);$this->_append($header.$data.$str);}/*** Store the horizontal centering HCENTER BIFF record.** @access private*/function _storeHcenter(){$record = 0x0083; // Record identifier$length = 0x0002; // Bytes to follow$fHCenter = $this->_hcenter; // Horizontal centering$header = pack("vv", $record, $length);$data = pack("v", $fHCenter);$this->_append($header.$data);}/*** Store the vertical centering VCENTER BIFF record.** @access private*/function _storeVcenter(){$record = 0x0084; // Record identifier$length = 0x0002; // Bytes to follow$fVCenter = $this->_vcenter; // Horizontal centering$header = pack("vv", $record, $length);$data = pack("v", $fVCenter);$this->_append($header.$data);}/*** Store the LEFTMARGIN BIFF record.** @access private*/function _storeMarginLeft(){$record = 0x0026; // Record identifier$length = 0x0008; // Bytes to follow$margin = $this->_margin_left; // Margin in inches$header = pack("vv", $record, $length);$data = pack("d", $margin);if ($this->_byte_order) // if it's Big Endian{$data = strrev($data);}$this->_append($header.$data);}/*** Store the RIGHTMARGIN BIFF record.** @access private*/function _storeMarginRight(){$record = 0x0027; // Record identifier$length = 0x0008; // Bytes to follow$margin = $this->_margin_right; // Margin in inches$header = pack("vv", $record, $length);$data = pack("d", $margin);if ($this->_byte_order) // if it's Big Endian{$data = strrev($data);}$this->_append($header.$data);}/*** Store the TOPMARGIN BIFF record.** @access private*/function _storeMarginTop(){$record = 0x0028; // Record identifier$length = 0x0008; // Bytes to follow$margin = $this->_margin_top; // Margin in inches$header = pack("vv", $record, $length);$data = pack("d", $margin);if ($this->_byte_order) // if it's Big Endian{$data = strrev($data);}$this->_append($header.$data);}/*** Store the BOTTOMMARGIN BIFF record.** @access private*/function _storeMarginBottom(){$record = 0x0029; // Record identifier$length = 0x0008; // Bytes to follow$margin = $this->_margin_bottom; // Margin in inches$header = pack("vv", $record, $length);$data = pack("d", $margin);if ($this->_byte_order) // if it's Big Endian{$data = strrev($data);}$this->_append($header.$data);}/*** Merges the area given by its arguments.* This is an Excel97/2000 method. It is required to perform more complicated* merging than the normal setAlign('merge').** @access public* @param integer $first_row First row of the area to merge* @param integer $first_col First column of the area to merge* @param integer $last_row Last row of the area to merge* @param integer $last_col Last column of the area to merge*/function mergeCells($first_row, $first_col, $last_row, $last_col){$record = 0x00E5; // Record identifier$length = 0x000A; // Bytes to follow$cref = 1; // Number of refs// Swap last row/col for first row/col as necessaryif ($first_row > $last_row) {list($first_row, $last_row) = array($last_row, $first_row);}if ($first_col > $last_col) {list($first_col, $last_col) = array($last_col, $first_col);}$header = pack("vv", $record, $length);$data = pack("vvvvv", $cref, $first_row, $last_row,$first_col, $last_col);$this->_append($header.$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 = $this->_print_gridlines; // Boolean flag$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->_print_gridlines); // Boolean flag$header = pack("vv", $record, $length);$data = pack("v", $fGridSet);$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// The only option that is of interest is the flag for fit to page. So we// set all the options in one go.//if ($this->_fit_page) {$grbit = 0x05c1;}else {$grbit = 0x04c1;}$header = pack("vv", $record, $length);$data = pack("v", $grbit);$this->_prepend($header.$data);}/*** Write the HORIZONTALPAGEBREAKS BIFF record.** @access private*/function _storeHbreak(){// Return if the user hasn't specified pagebreaksif (empty($this->_hbreaks)) {return;}// Sort and filter array of page breaks$breaks = $this->_hbreaks;sort($breaks,SORT_NUMERIC);if ($breaks[0] == 0) { // don't use first break if it's 0array_shift($breaks);}$record = 0x001b; // Record identifier$cbrk = count($breaks); // Number of page breaks$length = ($cbrk + 1) * 2; // Bytes to follow$header = pack("vv", $record, $length);$data = pack("v", $cbrk);// Append each page breakforeach($breaks as $break) {$data .= pack("v", $break);}$this->_prepend($header.$data);}/*** Write the VERTICALPAGEBREAKS BIFF record.** @access private*/function _storeVbreak(){// Return if the user hasn't specified pagebreaksif (empty($this->_vbreaks)) {return;}// 1000 vertical pagebreaks appears to be an internal Excel 5 limit.// It is slightly higher in Excel 97/200, approx. 1026$breaks = array_slice($this->_vbreaks,0,1000);// Sort and filter array of page breakssort($breaks,SORT_NUMERIC);if ($breaks[0] == 0) { // don't use first break if it's 0array_shift($breaks);}$record = 0x001a; // Record identifier$cbrk = count($breaks); // Number of page breaks$length = ($cbrk + 1) * 2; // Bytes to follow$header = pack("vv", $record, $length);$data = pack("v", $cbrk);// Append each page breakforeach ($breaks as $break) {$data .= pack("v", $break);}$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 specifiedif ($this->_protect == 0) {return;}$record = 0x0012; // Record identifier$length = 0x0002; // Bytes to follow$fLock = $this->_protect; // Worksheet is protected$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 specifiedif (($this->_protect == 0) or (!isset($this->_password))) {return;}$record = 0x0013; // Record identifier$length = 0x0002; // Bytes to follow$wPassword = $this->_password; // Encoded password$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 string $bitmap The bitmap filename* @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 integer $scale_x The horizontal scale* @param integer $scale_y The vertical scale*/function insertBitmap($row, $col, $bitmap, $x = 0, $y = 0, $scale_x = 1, $scale_y = 1){$bitmap_array = $this->_processBitmap($bitmap);if ($this->isError($bitmap_array)){$this->writeString($row, $col, $bitmap_array->getMessage());return;}list($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 = $row_start; // Row containing bottom right corner of object// Zero the specified offset if greater than the cell dimensionsif ($x1 >= $this->_sizeCol($col_start)){$x1 = 0;}if ($y1 >= $this->_sizeRow($row_start)){$y1 = 0;}$width = $width + $x1 -1;$height = $height + $y1 -1;// Subtract the underlying cell widths to find the end cell of the imagewhile ($width >= $this->_sizeCol($col_end)) {$width -= $this->_sizeCol($col_end);$col_end++;}// Subtract the underlying cell heights to find the end cell of the imagewhile ($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 changedif (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 changedif (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 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 (!$bmp_fd) {return($this->raiseError("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($data) <= 0x36) {return($this->raiseError("$bitmap doesn't contain enough data.\n"));}// The first 2 bytes are used to identify the bitmap.$identity = unpack("A2", $data);if ($identity[''] != "BM") {return($this->raiseError("$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.//$size_array = unpack("V", substr($data, 0, 4));$size = $size_array[''];$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) {return($this->raiseError("$bitmap: largest image width supported is 65k.\n"));}if ($height > 0xFFFF) {return($this->raiseError("$bitmap: largest image height supported is 65k.\n"));}// Read and remove the bitmap planes and bpp data. Verify them.$planes_and_bitcount = unpack("v2", substr($data, 0, 4));$data = substr($data, 4);if ($planes_and_bitcount[2] != 24) { // Bitcountreturn($this->raiseError("$bitmap isn't a 24bit true color bitmap.\n"));}if ($planes_and_bitcount[1] != 1) {return($this->raiseError("$bitmap: only 1 plane nupported in bitmap image.\n"));}// Read and remove the bitmap compression. Verify compression.$compression = unpack("V", substr($data, 0, 4));$data = substr($data, 4);//$compression = 0;if ($compression[""] != 0) {return($this->raiseError("$bitmap: compression not supported in bitmap image.\n"));}// Remove bitmap data: data size, hres, vres, colours, imp. colours.$data = substr($data, 20);// Add the BITMAPCOREHEADER data$header = pack("Vvvvv", 0x000c, $width, $height, 0x01, 0x18);$data = $header . $data;return (array($width, $height, $size, $data));}/*** Store the window zoom factor. This should be a reduced fraction but for* simplicity we will store all fractions with a numerator of 100.** @access private*/function _storeZoom(){// If scale is 100 we don't need to write a recordif ($this->_zoom == 100) {return;}$record = 0x00A0; // Record identifier$length = 0x0004; // Bytes to follow$header = pack("vv", $record, $length);$data = pack("vv", $this->_zoom, 100);$this->_append($header.$data);}}?>