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<?php
/*
* Copyleft 2002 Johann Hanne
*
* This 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 software 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 software; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place,
* Suite 330, Boston, MA 02111-1307 USA
*/
/*
* This is the Spreadsheet::WriteExcel Perl package ported to PHP
* Spreadsheet::WriteExcel was written by John McNamara, jmcnamara@cpan.org
*/
class writeexcel_format {
var $_xf_index;
var $_font_index;
var $_font;
var $_size;
var $_bold;
var $_italic;
var $_color;
var $_underline;
var $_font_strikeout;
var $_font_outline;
var $_font_shadow;
var $_font_script;
var $_font_family;
var $_font_charset;
var $_num_format;
var $_hidden;
var $_locked;
var $_text_h_align;
var $_text_wrap;
var $_text_v_align;
var $_text_justlast;
var $_rotation;
var $_fg_color;
var $_bg_color;
var $_pattern;
var $_bottom;
var $_top;
var $_left;
var $_right;
var $_bottom_color;
var $_top_color;
var $_left_color;
var $_right_color;
/*
* Constructor
*/
function writeexcel_format() {
$_=func_get_args();
$this->_xf_index = (sizeof($_)>0) ? array_shift($_) : 0;
$this->_font_index = 0;
$this->_font = 'Arial';
$this->_size = 10;
$this->_bold = 0x0190;
$this->_italic = 0;
$this->_color = 0x7FFF;
$this->_underline = 0;
$this->_font_strikeout = 0;
$this->_font_outline = 0;
$this->_font_shadow = 0;
$this->_font_script = 0;
$this->_font_family = 0;
$this->_font_charset = 0;
$this->_num_format = 0;
$this->_hidden = 0;
$this->_locked = 1;
$this->_text_h_align = 0;
$this->_text_wrap = 0;
$this->_text_v_align = 2;
$this->_text_justlast = 0;
$this->_rotation = 0;
$this->_fg_color = 0x40;
$this->_bg_color = 0x41;
$this->_pattern = 0;
$this->_bottom = 0;
$this->_top = 0;
$this->_left = 0;
$this->_right = 0;
$this->_bottom_color = 0x40;
$this->_top_color = 0x40;
$this->_left_color = 0x40;
$this->_right_color = 0x40;
// Set properties passed to writeexcel_workbook::addformat()
if (sizeof($_)>0) {
call_user_func_array(array(&$this, 'set_properties'), $_);
}
}
/*
* Copy the attributes of another writeexcel_format object.
*/
function copy($other) {
$xf = $this->_xf_index; // Backup XF index
foreach ($other as $key->$value) {
$this->{$key} = $value;
}
$this->_xf_index = $xf; // Restore XF index
}
/*
* Generate an Excel BIFF XF record.
*/
function get_xf() {
$_=func_get_args();
// $record Record identifier
// $length Number of bytes to follow
// $ifnt Index to FONT record
// $ifmt Index to FORMAT record
// $style Style and other options
// $align Alignment
// $icv fg and bg pattern colors
// $fill Fill and border line style
// $border1 Border line style and color
// $border2 Border color
// Set the type of the XF record and some of the attributes.
if ($_[0] == "style") {
$style = 0xFFF5;
} else {
$style = $this->_locked;
$style |= $this->_hidden << 1;
}
// Flags to indicate if attributes have been set.
$atr_num = ($this->_num_format != 0) ? 1 : 0;
$atr_fnt = ($this->_font_index != 0) ? 1 : 0;
$atr_alc = $this->_text_wrap ? 1 : 0;
$atr_bdr = ($this->_bottom ||
$this->_top ||
$this->_left ||
$this->_right) ? 1 : 0;
$atr_pat = ($this->_fg_color != 0x41 ||
$this->_bg_color != 0x41 ||
$this->_pattern != 0x00) ? 1 : 0;
$atr_prot = 0;
// Reset the default colors for the non-font properties
if ($this->_fg_color == 0x7FFF) $this->_fg_color = 0x40;
if ($this->_bg_color == 0x7FFF) $this->_bg_color = 0x41;
if ($this->_bottom_color == 0x7FFF) $this->_bottom_color = 0x41;
if ($this->_top_color == 0x7FFF) $this->_top_color = 0x41;
if ($this->_left_color == 0x7FFF) $this->_left_color = 0x41;
if ($this->_right_color == 0x7FFF) $this->_right_color = 0x41;
// Zero the default border colour if the border has not been set.
if ($this->_bottom == 0) {
$this->_bottom_color = 0;
}
if ($this->_top == 0) {
$this->_top_color = 0;
}
if ($this->_right == 0) {
$this->_right_color = 0;
}
if ($this->_left == 0) {
$this->_left_color = 0;
}
// The following 2 logical statements take care of special cases in
// relation to cell colors and patterns:
// 1. For a solid fill (_pattern == 1) Excel reverses the role of
// foreground and background colors
// 2. If the user specifies a foreground or background color
// without a pattern they probably wanted a solid fill, so we
// fill in the defaults.
if ($this->_pattern <= 0x01 &&
$this->_bg_color != 0x41 &&
$this->_fg_color == 0x40 )
{
$this->_fg_color = $this->_bg_color;
$this->_bg_color = 0x40;
$this->_pattern = 1;
}
if ($this->_pattern <= 0x01 &&
$this->_bg_color == 0x41 &&
$this->_fg_color != 0x40 )
{
$this->_bg_color = 0x40;
$this->_pattern = 1;
}
$record = 0x00E0;
$length = 0x0010;
$ifnt = $this->_font_index;
$ifmt = $this->_num_format;
$align = $this->_text_h_align;
$align |= $this->_text_wrap << 3;
$align |= $this->_text_v_align << 4;
$align |= $this->_text_justlast << 7;
$align |= $this->_rotation << 8;
$align |= $atr_num << 10;
$align |= $atr_fnt << 11;
$align |= $atr_alc << 12;
$align |= $atr_bdr << 13;
$align |= $atr_pat << 14;
$align |= $atr_prot << 15;
$icv = $this->_fg_color;
$icv |= $this->_bg_color << 7;
$fill = $this->_pattern;
$fill |= $this->_bottom << 6;
$fill |= $this->_bottom_color << 9;
$border1 = $this->_top;
$border1 |= $this->_left << 3;
$border1 |= $this->_right << 6;
$border1 |= $this->_top_color << 9;
$border2 = $this->_left_color;
$border2 |= $this->_right_color << 7;
$header = pack("vv", $record, $length);
$data = pack("vvvvvvvv", $ifnt, $ifmt, $style, $align,
$icv, $fill,
$border1, $border2);
return($header . $data);
}
/*
* Generate an Excel BIFF FONT record.
*/
function get_font() {
// $record Record identifier
// $length Record length
// $dyHeight Height of font (1/20 of a point)
// $grbit Font attributes
// $icv Index to color palette
// $bls Bold style
// $sss Superscript/subscript
// $uls Underline
// $bFamily Font family
// $bCharSet Character set
// $reserved Reserved
// $cch Length of font name
// $rgch Font name
$dyHeight = $this->_size * 20;
$icv = $this->_color;
$bls = $this->_bold;
$sss = $this->_font_script;
$uls = $this->_underline;
$bFamily = $this->_font_family;
$bCharSet = $this->_font_charset;
$rgch = $this->_font;
$cch = strlen($rgch);
$record = 0x31;
$length = 0x0F + $cch;
$reserved = 0x00;
$grbit = 0x00;
if ($this->_italic) {
$grbit |= 0x02;
}
if ($this->_font_strikeout) {
$grbit |= 0x08;
}
if ($this->_font_outline) {
$grbit |= 0x10;
}
if ($this->_font_shadow) {
$grbit |= 0x20;
}
$header = pack("vv", $record, $length);
$data = pack("vvvvvCCCCC", $dyHeight, $grbit, $icv, $bls,
$sss, $uls, $bFamily,
$bCharSet, $reserved, $cch);
return($header . $data . $this->_font);
}
/*
* Returns a unique hash key for a font.
* Used by writeexcel_workbook::_store_all_fonts()
*/
function get_font_key() {
# The following elements are arranged to increase the probability of
# generating a unique key. Elements that hold a large range of numbers
# eg. _color are placed between two binary elements such as _italic
#
$key = $this->_font.$this->_size.
$this->_font_script.$this->_underline.
$this->_font_strikeout.$this->_bold.$this->_font_outline.
$this->_font_family.$this->_font_charset.
$this->_font_shadow.$this->_color.$this->_italic;
$key = preg_replace('/ /', '_', $key); # Convert the key to a single word
return $key;
}
/*
* Returns the used by Worksheet->_XF()
*/
function get_xf_index() {
return $this->_xf_index;
}
/*
* Used in conjunction with the set_xxx_color methods to convert a color
* string into a number. Color range is 0..63 but we will restrict it
* to 8..63 to comply with Gnumeric. Colors 0..7 are repeated in 8..15.
*/
function _get_color($color=false) {
$colors = array(
'aqua' => 0x0F,
'cyan' => 0x0F,
'black' => 0x08,
'blue' => 0x0C,
'brown' => 0x10,
'magenta' => 0x0E,
'fuchsia' => 0x0E,
'gray' => 0x17,
'grey' => 0x17,
'green' => 0x11,
'lime' => 0x0B,
'navy' => 0x12,
'orange' => 0x35,
'purple' => 0x14,
'red' => 0x0A,
'silver' => 0x16,
'white' => 0x09,
'yellow' => 0x0D
);
// Return the default color, 0x7FFF, if undef,
if ($color===false) {
return 0x7FFF;
}
// or the color string converted to an integer,
if (isset($colors[strtolower($color)])) {
return $colors[strtolower($color)];
}
// or the default color if string is unrecognised,
if (preg_match('/\D/', $color)) {
return 0x7FFF;
}
// or an index < 8 mapped into the correct range,
if ($color<8) {
return $color + 8;
}
// or the default color if arg is outside range,
if ($color>63) {
return 0x7FFF;
}
// or an integer in the valid range
return $color;
}
/*
* Set cell alignment.
*/
function set_align($location) {
// Ignore numbers
if (preg_match('/\d/', $location)) {
return;
}
$location = strtolower($location);
switch ($location) {
case 'left':
$this->set_text_h_align(1);
break;
case 'centre':
case 'center':
$this->set_text_h_align(2);
break;
case 'right':
$this->set_text_h_align(3);
break;
case 'fill':
$this->set_text_h_align(4);
break;
case 'justify':
$this->set_text_h_align(5);
break;
case 'merge':
$this->set_text_h_align(6);
break;
case 'equal_space':
$this->set_text_h_align(7);
break;
case 'top':
$this->set_text_v_align(0);
break;
case 'vcentre':
case 'vcenter':
$this->set_text_v_align(1);
break;
break;
case 'bottom':
$this->set_text_v_align(2);
break;
case 'vjustify':
$this->set_text_v_align(3);
break;
case 'vequal_space':
$this->set_text_v_align(4);
break;
}
}
/*
* Set vertical cell alignment. This is required by the set_properties()
* method to differentiate between the vertical and horizontal properties.
*/
function set_valign($location) {
$this->set_align($location);
}
/*
* This is an alias for the unintuitive set_align('merge')
*/
function set_merge() {
$this->set_text_h_align(6);
}
/*
* Bold has a range 0x64..0x3E8.
* 0x190 is normal. 0x2BC is bold.
*/
function set_bold($weight=1) {
if ($weight == 1) {
// Bold text
$weight = 0x2BC;
}
if ($weight == 0) {
// Normal text
$weight = 0x190;
}
if ($weight < 0x064) {
// Lower bound
$weight = 0x190;
}
if ($weight > 0x3E8) {
// Upper bound
$weight = 0x190;
}
$this->_bold = $weight;
}
/*
* Set all cell borders (bottom, top, left, right) to the same style
*/
function set_border($style) {
$this->set_bottom($style);
$this->set_top($style);
$this->set_left($style);
$this->set_right($style);
}
/*
* Set all cell borders (bottom, top, left, right) to the same color
*/
function set_border_color($color) {
$this->set_bottom_color($color);
$this->set_top_color($color);
$this->set_left_color($color);
$this->set_right_color($color);
}
/*
* Convert hashes of properties to method calls.
*/
function set_properties() {
$_=func_get_args();
$properties=array();
foreach($_ as $props) {
if (is_array($props)) {
$properties=array_merge($properties, $props);
} else {
$properties[]=$props;
}
}
foreach ($properties as $key=>$value) {
// Strip leading "-" from Tk style properties eg. -color => 'red'.
$key = preg_replace('/^-/', '', $key);
/* Make sure method names are alphanumeric characters only, in
case tainted data is passed to the eval(). */
if (preg_match('/\W/', $key)) {
trigger_error("Unknown property: $key.",
E_USER_ERROR);
}
/* Evaling all $values as a strings gets around the problem of
some numerical format strings being evaluated as numbers, for
example "00000" for a zip code. */
if (is_int($key)) {
eval("\$this->set_$value();");
} else {
eval("\$this->set_$key('$value');");
}
}
}
function set_font($font) {
$this->_font=$font;
}
function set_size($size) {
$this->_size=$size;
}
function set_italic($italic=1) {
$this->_italic=$italic;
}
function set_color($color) {
$this->_color=$this->_get_color($color);
}
function set_underline($underline=1) {
$this->_underline=$underline;
}
function set_font_strikeout($font_strikeout=1) {
$this->_font_strikeout=$font_strikeout;
}
function set_font_outline($font_outline=1) {
$this->_font_outline=$font_outline;
}
function set_font_shadow($font_shadow=1) {
$this->_font_shadow=$font_shadow;
}
function set_font_script($font_script=1) {
$this->_font_script=$font_script;
}
/* Undocumented */
function set_font_family($font_family=1) {
$this->_font_family=$font_family;
}
/* Undocumented */
function set_font_charset($font_charset=1) {
$this->_font_charset=$font_charset;
}
function set_num_format($num_format=1) {
$this->_num_format=$num_format;
}
function set_hidden($hidden=1) {
$this->_hidden=$hidden;
}
function set_locked($locked=1) {
$this->_locked=$locked;
}
function set_text_h_align($align) {
$this->_text_h_align=$align;
}
function set_text_wrap($wrap=1) {
$this->_text_wrap=$wrap;
}
function set_text_v_align($align) {
$this->_text_v_align=$align;
}
function set_text_justlast($text_justlast=1) {
$this->_text_justlast=$text_justlast;
}
function set_rotation($rotation=1) {
$this->_rotation=$rotation;
}
function set_fg_color($color) {
$this->_fg_color=$this->_get_color($color);
}
function set_bg_color($color) {
$this->_bg_color=$this->_get_color($color);
}
function set_pattern($pattern=1) {
$this->_pattern=$pattern;
}
function set_bottom($bottom=1) {
$this->_bottom=$bottom;
}
function set_top($top=1) {
$this->_top=$top;
}
function set_left($left=1) {
$this->_left=$left;
}
function set_right($right=1) {
$this->_right=$right;
}
function set_bottom_color($color) {
$this->_bottom_color=$this->_get_color($color);
}
function set_top_color($color) {
$this->_top_color=$this->_get_color($color);
}
function set_left_color($color) {
$this->_left_color=$this->_get_color($color);
}
function set_right_color($color) {
$this->_right_color=$this->_get_color($color);
}
}
?>
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