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;************************************************************************************** | ||
; This file is the change history of pChart4mw | ||
; | ||
; url: http://code.google.com/p/pchart4mw/ | ||
;************************************************************************************** | ||
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v1.4.0 - 12 May 2012 | ||
* Added new features: parameter threshold with thcolor | ||
* Fixed: deprecated php function split() removed | ||
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v1.3.3 - 21 July 2011 | ||
* Changed: Main module pChart4mw.php uses $parser object instead of global | ||
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v1.3.2 - 15 July 2011 | ||
* Changed: Removed trailing ?> from all the php code files | ||
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v1.3.1 - 13 July 2011 | ||
* Fixed: Parameter 'filled' now also working with non-cubic line charts | ||
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v1.3.0 - 24 December 2010 | ||
* Added new features: textfont, textsize, titlefont and titlesize parameters | ||
* Removed globals $wgPChart4mwFont and $wgPChart4mwFontSize | ||
* Added global $wgPChart4mwFontPath absolute path to the fonts folder | ||
* Included pChart (version 1.27d) library files in the distribution for ease of | ||
installation and configuration | ||
* Moved the fonts folder under pChart4mw extensions root: ..\pChart4mw\fonts | ||
* When upgrading from a previous version of pChart4mw: | ||
- Take note of the changed folder structure of pChart4mw | ||
- Take note of needed localsettings.php changes (remove old globals) | ||
Best apporach is to completely remove the old version of pChart4mw and install this | ||
new version. (make sure to save your custom colorschemes and fonts if you have them) | ||
* The default font for pChart4mw is tahoma.ttf. Set your preffered font in | ||
localsettings.php using $wgPChart4mwDefaults for example: | ||
$wgPChart4mwDefaults = Array ( "textfont" => "myfont.ttf", "textsize" => "5" ); | ||
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v1.2.1 - 16 December 2010 | ||
* Added new colorscheme: excel.txt | ||
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v1.2.0 - 7 July 2010 | ||
* Added new feature: parameter skiplabels to skip some labels on the x-axis. | ||
* Added new feature: parameter decimals to show decimals on the axes. | ||
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v1.1.0 - 7 June 2010 | ||
* Implemented parser functions to show the charts in order to improve integration | ||
with other extensions. | ||
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v1.0.6 - 28 April 2010 | ||
* Improved HTML output to be XHTML compliant | ||
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v1.0.5 - 20 November 2009 | ||
* a minor adjustment | ||
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v1.0.4 - 18 November 2009 | ||
* Added boxcolor parameter to determine the color of the box drawn around the chart | ||
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v1.0.3 - 13 July 2009 | ||
* Improved data parsing so lines with leading or trailing spaces are correctly handled |
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158,202,225 | ||
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222,235,247 |
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<?php | ||
// Helper functions | ||
/** | ||
* Converts HTML RGB colors to arrays with red, green and blue values | ||
* | ||
* @param $color String HTML-coded string with RGB color. May contain a # as first character. Examples: #00FF00, #CCC, AB82EE | ||
* @return Array Array with three elements, for red green and blue. The elements are numbers between 0 and 255. If an | ||
* error occurs (no correct RGB color), false is returned. | ||
*/ | ||
function wfPChart4mwhtml2rgb( $color ) { | ||
if( $color[ 0 ] == '#' ) | ||
$color = substr( $color, 1 ); | ||
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if( strlen( $color) == 6 ) { | ||
list( $r, $g, $b ) = array( $color[ 0 ] . $color[ 1 ], | ||
$color[ 2 ] . $color[ 3 ], | ||
$color[ 4 ] . $color[ 5 ] ); | ||
} elseif( strlen( $color ) == 3 ) { | ||
list( $r, $g, $b ) = array( $color[ 0 ] . $color[ 0 ], | ||
$color[ 1 ] . $color[ 1 ], | ||
$color[ 2 ] . $color[ 2 ] ); | ||
} else { | ||
return false; | ||
} | ||
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return array( hexdec( $r ), hexdec( $g ), hexdec( $b ) ); | ||
} | ||
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/** | ||
* Determines the height and width of a specified string on screen | ||
* | ||
* @param $font String Name of font (with file extension) used | ||
* @param $text String Text of which the size should be determined | ||
* @param $angle String Angle for showing the text | ||
* @param $size Int Text size for printing the text | ||
* @return Array Array with two elements: first element is the width of the textbox, second is the height | ||
*/ | ||
function wfPChart4mwtextboxSize( $font, $text, $angle = 0, $size = 0 ) { | ||
global $wgPChart4mwFontPath; | ||
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// Determine the bounding box using the GD library | ||
$bbox = imageftbbox( $size, $angle, $wgPChart4mwFontPath . "/" . $font, $text ); | ||
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// Compute the size | ||
return array( | ||
max( $bbox[ 0 ], $bbox[ 2 ], $bbox[ 4 ], $bbox[ 6 ] ) - min( $bbox[ 0 ], $bbox[ 2 ], $bbox[ 4 ], $bbox[ 6 ] ), | ||
max( $bbox[ 1 ], $bbox[ 3 ], $bbox[ 5 ], $bbox[ 7 ] ) - min( $bbox[ 1 ], $bbox[ 3 ], $bbox[ 5 ], $bbox[ 7 ] ) | ||
); | ||
} | ||
|
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;************************************************************************************** | ||
; This folder contains the original pChart (version 1.27d) files necessary for | ||
; the working of the extension pChart4mw. The pChart files are: | ||
; | ||
; - pCache.class | ||
; - PChart.class | ||
; - pData.class | ||
; | ||
; The pChart files remain ownership of its original author and are included in | ||
; pChart4mw's distribution for ease of installation purposes only. The pChart files | ||
; are not maintained (or changed) by the pChart4mw authors. | ||
; | ||
; pChart and pChart4mw are both distributed under the GNU GPL license (see LICENSE.TXT). | ||
; | ||
; pChart's original url: <http://pchart.sourceforge.net>. | ||
; | ||
;************************************************************************************** | ||
|
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<?php | ||
/* | ||
pCache - Faster renderding using data cache | ||
Copyright (C) 2008 Jean-Damien POGOLOTTI | ||
Version 1.1.2 last updated on 06/17/08 | ||
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http://pchart.sourceforge.net | ||
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This program is free software: you can redistribute it and/or modify | ||
it under the terms of the GNU General Public License as published by | ||
the Free Software Foundation, either version 1,2,3 of the License, or | ||
(at your option) any later version. | ||
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This program 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 General Public License for more details. | ||
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You should have received a copy of the GNU General Public License | ||
along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
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Class initialisation : | ||
pCache($CacheFolder="Cache/") | ||
Cache management : | ||
IsInCache($Data) | ||
GetFromCache($ID,$Data) | ||
WriteToCache($ID,$Data,$Picture) | ||
DeleteFromCache($ID,$Data) | ||
ClearCache() | ||
Inner functions : | ||
GetHash($ID,$Data) | ||
*/ | ||
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/* pCache class definition */ | ||
class pCache | ||
{ | ||
var $HashKey = ""; | ||
var $CacheFolder = "Cache/"; | ||
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/* Create the pCache object */ | ||
function pCache($CacheFolder="Cache/") | ||
{ | ||
$this->CacheFolder = $CacheFolder; | ||
} | ||
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/* This function is clearing the cache folder */ | ||
function ClearCache() | ||
{ | ||
if ($handle = opendir($this->CacheFolder)) | ||
{ | ||
while (false !== ($file = readdir($handle))) | ||
{ | ||
if ( $file != "." && $file != ".." ) | ||
unlink($this->CacheFolder.$file); | ||
} | ||
closedir($handle); | ||
} | ||
} | ||
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/* This function is checking if we have an offline version of this chart */ | ||
function IsInCache($ID,$Data,$Hash="") | ||
{ | ||
if ( $Hash == "" ) | ||
$Hash = $this->GetHash($ID,$Data); | ||
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if ( file_exists($this->CacheFolder.$Hash) ) | ||
return(TRUE); | ||
else | ||
return(FALSE); | ||
} | ||
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/* This function is making a copy of drawn chart in the cache folder */ | ||
function WriteToCache($ID,$Data,$Picture) | ||
{ | ||
$Hash = $this->GetHash($ID,$Data); | ||
$FileName = $this->CacheFolder.$Hash; | ||
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imagepng($Picture->Picture,$FileName); | ||
} | ||
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/* This function is removing any cached copy of this chart */ | ||
function DeleteFromCache($ID,$Data) | ||
{ | ||
$Hash = $this->GetHash($ID,$Data); | ||
$FileName = $this->CacheFolder.$Hash; | ||
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if ( file_exists($FileName ) ) | ||
unlink($FileName); | ||
} | ||
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/* This function is retrieving the cached picture if applicable */ | ||
function GetFromCache($ID,$Data) | ||
{ | ||
$Hash = $this->GetHash($ID,$Data); | ||
if ( $this->IsInCache("","",$Hash ) ) | ||
{ | ||
$FileName = $this->CacheFolder.$Hash; | ||
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header('Content-type: image/png'); | ||
@readfile($FileName); | ||
exit(); | ||
} | ||
} | ||
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/* This function is building the graph unique hash key */ | ||
function GetHash($ID,$Data) | ||
{ | ||
$mKey = "$ID"; | ||
foreach($Data as $key => $Values) | ||
{ | ||
$tKey = ""; | ||
foreach($Values as $Serie => $Value) | ||
$tKey = $tKey.$Serie.$Value; | ||
$mKey = $mKey.md5($tKey); | ||
} | ||
return(md5($mKey)); | ||
} | ||
} |
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