Get(11,$file,$lineno);
die($msg);
}
else {
DEFINE('CACHE_DIR', $_SERVER['TEMP'] . '/');
}
} else {
DEFINE('CACHE_DIR','/tmp/jpgraph_cache/');
}
}
}
elseif( !defined('CACHE_DIR') ) {
DEFINE('CACHE_DIR', '');
}
if (!defined('TTF_DIR')) {
if (strstr( PHP_OS, 'WIN') ) {
$sroot = getenv('SystemRoot');
if( empty($sroot) ) {
$t = new ErrMsgText();
$msg = $t->Get(12,$file,$lineno);
die($msg);
}
else {
DEFINE('TTF_DIR', $sroot.'/fonts/');
}
} else {
DEFINE('TTF_DIR','/usr/X11R6/lib/X11/fonts/truetype/');
}
}
//------------------------------------------------------------------
// Constants which are used as parameters for the method calls
//------------------------------------------------------------------
// TTF Font families
DEFINE("FF_COURIER",10);
DEFINE("FF_VERDANA",11);
DEFINE("FF_TIMES",12);
DEFINE("FF_COMIC",14);
DEFINE("FF_ARIAL",15);
DEFINE("FF_GEORGIA",16);
DEFINE("FF_TREBUCHE",17);
// Gnome Vera font
// Available from http://www.gnome.org/fonts/
DEFINE("FF_VERA",19);
DEFINE("FF_VERAMONO",20);
DEFINE("FF_VERASERIF",21);
// Chinese font
DEFINE("FF_SIMSUN",30);
DEFINE("FF_CHINESE",31);
DEFINE("FF_BIG5",31);
// Japanese font
DEFINE("FF_MINCHO",40);
DEFINE("FF_PMINCHO",41);
DEFINE("FF_GOTHIC",42);
DEFINE("FF_PGOTHIC",43);
// Limits for TTF fonts
DEFINE('_FF_FIRST',10);
DEFINE('_FF_LAST',43);
// Older deprecated fonts
DEFINE("FF_BOOK",91); // Deprecated fonts from 1.9
DEFINE("FF_HANDWRT",92); // Deprecated fonts from 1.9
// TTF Font styles
DEFINE("FS_NORMAL",9001);
DEFINE("FS_BOLD",9002);
DEFINE("FS_ITALIC",9003);
DEFINE("FS_BOLDIT",9004);
DEFINE("FS_BOLDITALIC",9004);
//Definitions for internal font, new style
DEFINE("FF_FONT0",1);
DEFINE("FF_FONT1",2);
DEFINE("FF_FONT2",4);
// Tick density
DEFINE("TICKD_DENSE",1);
DEFINE("TICKD_NORMAL",2);
DEFINE("TICKD_SPARSE",3);
DEFINE("TICKD_VERYSPARSE",4);
// Side for ticks and labels.
DEFINE("SIDE_LEFT",-1);
DEFINE("SIDE_RIGHT",1);
DEFINE("SIDE_DOWN",-1);
DEFINE("SIDE_BOTTOM",-1);
DEFINE("SIDE_UP",1);
DEFINE("SIDE_TOP",1);
// Legend type stacked vertical or horizontal
DEFINE("LEGEND_VERT",0);
DEFINE("LEGEND_HOR",1);
// Mark types for plot marks
DEFINE("MARK_SQUARE",1);
DEFINE("MARK_UTRIANGLE",2);
DEFINE("MARK_DTRIANGLE",3);
DEFINE("MARK_DIAMOND",4);
DEFINE("MARK_CIRCLE",5);
DEFINE("MARK_FILLEDCIRCLE",6);
DEFINE("MARK_CROSS",7);
DEFINE("MARK_STAR",8);
DEFINE("MARK_X",9);
DEFINE("MARK_LEFTTRIANGLE",10);
DEFINE("MARK_RIGHTTRIANGLE",11);
DEFINE("MARK_FLASH",12);
DEFINE("MARK_IMG",13);
DEFINE("MARK_FLAG1",14);
DEFINE("MARK_FLAG2",15);
DEFINE("MARK_FLAG3",16);
DEFINE("MARK_FLAG4",17);
// Builtin images
DEFINE("MARK_IMG_PUSHPIN",50);
DEFINE("MARK_IMG_SPUSHPIN",50);
DEFINE("MARK_IMG_LPUSHPIN",51);
DEFINE("MARK_IMG_DIAMOND",52);
DEFINE("MARK_IMG_SQUARE",53);
DEFINE("MARK_IMG_STAR",54);
DEFINE("MARK_IMG_BALL",55);
DEFINE("MARK_IMG_SBALL",55);
DEFINE("MARK_IMG_MBALL",56);
DEFINE("MARK_IMG_LBALL",57);
DEFINE("MARK_IMG_BEVEL",58);
// Inline defines
DEFINE("INLINE_YES",1);
DEFINE("INLINE_NO",0);
// Format for background images
DEFINE("BGIMG_FILLPLOT",1);
DEFINE("BGIMG_FILLFRAME",2);
DEFINE("BGIMG_COPY",3);
DEFINE("BGIMG_CENTER",4);
// Depth of objects
DEFINE("DEPTH_BACK",0);
DEFINE("DEPTH_FRONT",1);
// Direction
DEFINE("VERTICAL",1);
DEFINE("HORIZONTAL",0);
// Axis styles for scientific style axis
DEFINE('AXSTYLE_SIMPLE',1);
DEFINE('AXSTYLE_BOXIN',2);
DEFINE('AXSTYLE_BOXOUT',3);
DEFINE('AXSTYLE_YBOXIN',4);
DEFINE('AXSTYLE_YBOXOUT',5);
// Style for title backgrounds
DEFINE('TITLEBKG_STYLE1',1);
DEFINE('TITLEBKG_STYLE2',2);
DEFINE('TITLEBKG_STYLE3',3);
DEFINE('TITLEBKG_FRAME_NONE',0);
DEFINE('TITLEBKG_FRAME_FULL',1);
DEFINE('TITLEBKG_FRAME_BOTTOM',2);
DEFINE('TITLEBKG_FRAME_BEVEL',3);
DEFINE('TITLEBKG_FILLSTYLE_HSTRIPED',1);
DEFINE('TITLEBKG_FILLSTYLE_VSTRIPED',2);
DEFINE('TITLEBKG_FILLSTYLE_SOLID',3);
// Style for background gradient fills
DEFINE('BGRAD_FRAME',1);
DEFINE('BGRAD_MARGIN',2);
DEFINE('BGRAD_PLOT',3);
// Width of tab titles
DEFINE('TABTITLE_WIDTHFIT',0);
DEFINE('TABTITLE_WIDTHFULL',-1);
// Defines for 3D skew directions
DEFINE('SKEW3D_UP',0);
DEFINE('SKEW3D_DOWN',1);
DEFINE('SKEW3D_LEFT',2);
DEFINE('SKEW3D_RIGHT',3);
//
// Get hold of gradient class (In Version 2.x)
// A client of the library has to manually include this
//
require_once 'jpgraph_gradient.php';
class ErrMsgText {
var $lt=NULL;
var $supportedLocales = array('en');
function ErrMsgText() {
GLOBAL $__jpg_err_locale;
if( !in_array($__jpg_err_locale,$this->supportedLocales) )
$aLoc = 'en';
require_once('lang/'.$__jpg_err_locale.'.inc.php');
$this->lt = $_jpg_messages;
}
function Get($errnbr,$a1=null,$a2=null,$a3=null,$a4=null,$a5=null) {
if( !isset($this->lt[$errnbr]) ) {
return 'Internal error: The specified error message does not exist in the chosen locale. (Please blame the translator...))';
}
$ea = $this->lt[$errnbr];
$j=0;
if( $a1 !== null ) {
$argv[$j++] = $a1;
if( $a2 !== null ) {
$argv[$j++] = $a2;
if( $a3 !== null ) {
$argv[$j++] = $a3;
if( $a4 !== null ) {
$argv[$j++] = $a4;
if( $a5 !== null ) {
$argv[$j++] = $a5;
}
}
}
}
}
$numargs = $j;
if( $ea[1] != $numargs ) {
// Error message argument count do not match.
// Just return the error message without arguments.
return $ea[0];
}
switch( $numargs ) {
case 1:
$msg = sprintf($ea[0],$argv[0]);
break;
case 2:
$msg = sprintf($ea[0],$argv[0],$argv[1]);
break;
case 3:
$msg = sprintf($ea[0],$argv[0],$argv[1],$argv[2]);
break;
case 4:
$msg = sprintf($ea[0],$argv[0],$argv[1],$argv[2],$argv[3]);
break;
case 5:
$msg = sprintf($ea[0],$argv[0],$argv[1],$argv[2],$argv[3],$argv[4]);
break;
case 0:
default:
$msg = sprintf($ea[0]);
break;
}
return $msg;
}
}
//
// A wrapper class that is used to access the specified error object
// (to hide the global error parameter and avoid having a GLOBAL directive
// in all methods.
//
GLOBAL $__jpg_err;
GLOBAL $__jpg_err_locale ;
$__jpg_err_locale = 'en';
class JpGraphError {
function Install($aErrObject) {
GLOBAL $__jpg_err;
$__jpg_err = $aErrObject;
}
function Raise($aMsg,$aHalt=true){
GLOBAL $__jpg_err;
$tmp = new $__jpg_err;
$tmp->Raise($aMsg,$aHalt);
}
function RaiseL($errnbr,$a1=null,$a2=null,$a3=null,$a4=null,$a5=null) {
GLOBAL $__jpg_err;
$t = new ErrMsgText();
$msg = $t->Get($errnbr,$a1,$a2,$a3,$a4,$a5);
$tmp = new $__jpg_err;
$tmp->Raise($msg);
}
}
//
// ... and install the default error handler
//
if( USE_IMAGE_ERROR_HANDLER ) {
$__jpg_err = "JpGraphErrObjectImg";
}
else {
$__jpg_err = "JpGraphErrObject";
}
//
// Make GD sanity check
//
if( !function_exists("imagetypes") || !function_exists('imagecreatefromstring') ) {
JpGraphError::RaiseL(25001);
//("This PHP installation is not configured with the GD library. Please recompile PHP with GD support to run JpGraph. (Neither function imagetypes() nor imagecreatefromstring() does exist)");
}
//
// Routine to determine if GD1 or GD2 is installed
//
function CheckGDVersion() {
$GDfuncList = get_extension_funcs('gd');
if( !$GDfuncList ) return 0 ;
else {
if( in_array('imagegd2',$GDfuncList) &&
in_array('imagecreatetruecolor',$GDfuncList))
return 2;
else
return 1;
}
}
//
// Check what version of the GD library is installed.
//
$GLOBALS['gd2'] = false;
if( USE_LIBRARY_GD2 === 'auto' ) {
$gdversion = CheckGDVersion();
if( $gdversion == 2 ) {
$GLOBALS['gd2'] = true;
$GLOBALS['copyfunc'] = 'imagecopyresampled';
}
elseif( $gdversion == 1 ) {
$GLOBALS['gd2'] = false;
$GLOBALS['copyfunc'] = 'imagecopyresized';
}
else {
JpGraphError::RaiseL(25002);
//(" Your PHP installation does not seem to have the required GD library. Please see the PHP documentation on how to install and enable the GD library.");
}
}
else {
$GLOBALS['gd2'] = USE_LIBRARY_GD2;
$GLOBALS['copyfunc'] = USE_LIBRARY_GD2 ? 'imagecopyresampled' : 'imagecopyresized';
}
//
// First of all set up a default error handler
//
//=============================================================
// The default trivial text error handler.
//=============================================================
class JpGraphErrObject {
var $iTitle = "JpGraph Error";
var $iDest = false;
function JpGraphErrObject() {
// Empty. Reserved for future use
}
function SetTitle($aTitle) {
$this->iTitle = $aTitle;
}
function SetStrokeDest($aDest) {
$this->iDest = $aDest;
}
// If aHalt is true then execution can't continue. Typical used for fatal errors.
function Raise($aMsg,$aHalt=true) {
$aMsg = $this->iTitle.' '.$aMsg;
if ($this->iDest) {
$f = @fopen($this->iDest,'a');
if( $f ) {
@fwrite($f,$aMsg);
@fclose($f);
}
}
else {
echo $aMsg;
}
if( $aHalt )
die();
}
}
//==============================================================
// An image based error handler
//==============================================================
class JpGraphErrObjectImg extends JpGraphErrObject {
function Raise($aMsg,$aHalt=true) {
$img_iconerror =
'iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAMAAAC7IEhfAAAAaV'.
'BMVEX//////2Xy8mLl5V/Z2VvMzFi/v1WyslKlpU+ZmUyMjEh/'.
'f0VyckJlZT9YWDxMTDjAwMDy8sLl5bnY2K/MzKW/v5yyspKlpY'.
'iYmH+MjHY/PzV/f2xycmJlZVlZWU9MTEXY2Ms/PzwyMjLFTjea'.
'AAAAAXRSTlMAQObYZgAAAAFiS0dEAIgFHUgAAAAJcEhZcwAACx'.
'IAAAsSAdLdfvwAAAAHdElNRQfTBgISOCqusfs5AAABLUlEQVR4'.
'2tWV3XKCMBBGWfkranCIVClKLd/7P2Q3QsgCxjDTq+6FE2cPH+'.
'xJ0Ogn2lQbsT+Wrs+buAZAV4W5T6Bs0YXBBwpKgEuIu+JERAX6'.
'wM2rHjmDdEITmsQEEmWADgZm6rAjhXsoMGY9B/NZBwJzBvn+e3'.
'wHntCAJdGu9SviwIwoZVDxPB9+Rc0TSEbQr0j3SA1gwdSn6Db0'.
'6Tm1KfV6yzWGQO7zdpvyKLKBDmRFjzeB3LYgK7r6A/noDAfjtS'.
'IXaIzbJSv6WgUebTMV4EoRB8a2mQiQjgtF91HdKDKZ1gtFtQjk'.
'YcWaR5OKOhkYt+ZsTFdJRfPAApOpQYJTNHvCRSJR6SJngQadfc'.
'vd69OLMddVOPCGVnmrFD8bVYd3JXfxXPtLR/+mtv59/ALWiiMx'.
'qL72fwAAAABJRU5ErkJggg==' ;
if( function_exists("imagetypes") )
$supported = imagetypes();
else
$supported = 0;
if( !function_exists('imagecreatefromstring') )
$supported = 0;
if( ob_get_length() || headers_sent() || !($supported & IMG_PNG) ) {
// Special case for headers already sent or that the installation doesn't support
// the PNG format (which the error icon is encoded in).
// Dont return an image since it can't be displayed
die($this->iTitle.' '.$aMsg);
}
$aMsg = wordwrap($aMsg,55);
$lines = substr_count($aMsg,"\n");
// Create the error icon GD
$erricon = Image::CreateFromString(base64_decode($img_iconerror));
// Create an image that contains the error text.
$w=400;
$h=100 + 15*max(0,$lines-3);
$img = new Image($w,$h);
// Drop shadow
$img->SetColor("gray");
$img->FilledRectangle(5,5,$w-1,$h-1,10);
$img->SetColor("gray:0.7");
$img->FilledRectangle(5,5,$w-3,$h-3,10);
// Window background
$img->SetColor("lightblue");
$img->FilledRectangle(1,1,$w-5,$h-5);
$img->CopyCanvasH($img->img,$erricon,5,30,0,0,40,40);
// Window border
$img->SetColor("black");
$img->Rectangle(1,1,$w-5,$h-5);
$img->Rectangle(0,0,$w-4,$h-4);
// Window top row
$img->SetColor("darkred");
for($y=3; $y < 18; $y += 2 )
$img->Line(1,$y,$w-6,$y);
// "White shadow"
$img->SetColor("white");
// Left window edge
$img->Line(2,2,2,$h-5);
$img->Line(2,2,$w-6,2);
// "Gray button shadow"
$img->SetColor("darkgray");
// Gray window shadow
$img->Line(2,$h-6,$w-5,$h-6);
$img->Line(3,$h-7,$w-5,$h-7);
// Window title
$m = floor($w/2-5);
$l = 100;
$img->SetColor("lightgray:1.3");
$img->FilledRectangle($m-$l,2,$m+$l,16);
// Stroke text
$img->SetColor("darkred");
$img->SetFont(FF_FONT2,FS_BOLD);
$img->StrokeText($m-50,15,$this->iTitle);
$img->SetColor("black");
$img->SetFont(FF_FONT1,FS_NORMAL);
$txt = new Text($aMsg,52,25);
$txt->Align("left","top");
$txt->Stroke($img);
if ($this->iDest) {
$img->Stream($this->iDest);
} else {
$img->Headers();
$img->Stream();
}
if( $aHalt )
die();
}
}
//
// Setup PHP error handler
//
function _phpErrorHandler($errno,$errmsg,$filename, $linenum, $vars) {
// Respect current error level
if( $errno & error_reporting() ) {
JpGraphError::RaiseL(25003,basename($filename),$linenum,$errmsg);
}
}
if( INSTALL_PHP_ERR_HANDLER ) {
set_error_handler("_phpErrorHandler");
}
//
//Check if there were any warnings, perhaps some wrong includes by the user
//
if( isset($GLOBALS['php_errormsg']) && CATCH_PHPERRMSG &&
!preg_match('|Deprecated|', $GLOBALS['php_errormsg'])) {
JpGraphError::RaiseL(25004,$GLOBALS['php_errormsg']);
}
// Useful mathematical function
function sign($a) {return $a >= 0 ? 1 : -1;}
// Utility function to generate an image name based on the filename we
// are running from and assuming we use auto detection of graphic format
// (top level), i.e it is safe to call this function
// from a script that uses JpGraph
function GenImgName() {
global $_SERVER;
// Determine what format we should use when we save the images
$supported = imagetypes();
if( $supported & IMG_PNG ) $img_format="png";
elseif( $supported & IMG_GIF ) $img_format="gif";
elseif( $supported & IMG_JPG ) $img_format="jpeg";
if( !isset($_SERVER['PHP_SELF']) )
JpGraphError::RaiseL(25005);
//(" Can't access PHP_SELF, PHP global variable. You can't run PHP from command line if you want to use the 'auto' naming of cache or image files.");
$fname = basename($_SERVER['PHP_SELF']);
if( !empty($_SERVER['QUERY_STRING']) ) {
$q = @$_SERVER['QUERY_STRING'];
$fname .= '?'.preg_replace("/\W/", "_", $q).'.'.$img_format;
}
else {
$fname = substr($fname,0,strlen($fname)-4).'.'.$img_format;
}
return $fname;
}
class LanguageConv {
var $g2312 = null ;
function Convert($aTxt,$aFF) {
if( LANGUAGE_CYRILLIC ) {
if( CYRILLIC_FROM_WINDOWS ) {
$aTxt = convert_cyr_string($aTxt, "w", "k");
}
$isostring = convert_cyr_string($aTxt, "k", "i");
$unistring = LanguageConv::iso2uni($isostring);
return $unistring;
}
elseif( $aFF === FF_SIMSUN ) {
// Do Chinese conversion
if( $this->g2312 == null ) {
include_once 'jpgraph_gb2312.php' ;
$this->g2312 = new GB2312toUTF8();
}
return $this->g2312->gb2utf8($aTxt);
}
elseif( $aFF === FF_CHINESE ) {
if( !function_exists('iconv') ) {
JpGraphError::RaiseL(25006);
//('Usage of FF_CHINESE (FF_BIG5) font family requires that your PHP setup has the iconv() function. By default this is not compiled into PHP (needs the "--width-iconv" when configured).');
}
return iconv('BIG5','UTF-8',$aTxt);
}
else
return $aTxt;
}
// Translate iso encoding to unicode
function iso2uni ($isoline){
$uniline='';
for ($i=0; $i < strlen($isoline); $i++){
$thischar=substr($isoline,$i,1);
$charcode=ord($thischar);
$uniline.=($charcode>175) ? "&#" . (1040+($charcode-176)). ";" : $thischar;
}
return $uniline;
}
}
//===================================================
// CLASS JpgTimer
// Description: General timing utility class to handle
// time measurement of generating graphs. Multiple
// timers can be started.
//===================================================
class JpgTimer {
var $start;
var $idx;
//---------------
// CONSTRUCTOR
function JpgTimer() {
$this->idx=0;
}
//---------------
// PUBLIC METHODS
// Push a new timer start on stack
function Push() {
list($ms,$s)=explode(" ",microtime());
$this->start[$this->idx++]=floor($ms*1000) + 1000*$s;
}
// Pop the latest timer start and return the diff with the
// current time
function Pop() {
assert($this->idx>0);
list($ms,$s)=explode(" ",microtime());
$etime=floor($ms*1000) + (1000*$s);
$this->idx--;
return $etime-$this->start[$this->idx];
}
} // Class
$gJpgBrandTiming = BRAND_TIMING;
//===================================================
// CLASS DateLocale
// Description: Hold localized text used in dates
//===================================================
class DateLocale {
var $iLocale = 'C'; // environmental locale be used by default
var $iDayAbb = null;
var $iShortDay = null;
var $iShortMonth = null;
var $iMonthName = null;
//---------------
// CONSTRUCTOR
function DateLocale() {
settype($this->iDayAbb, 'array');
settype($this->iShortDay, 'array');
settype($this->iShortMonth, 'array');
settype($this->iMonthName, 'array');
$this->Set('C');
}
//---------------
// PUBLIC METHODS
function Set($aLocale) {
if ( in_array($aLocale, array_keys($this->iDayAbb)) ){
$this->iLocale = $aLocale;
return TRUE; // already cached nothing else to do!
}
$pLocale = setlocale(LC_TIME, 0); // get current locale for LC_TIME
$res = @setlocale(LC_TIME, $aLocale);
if ( ! $res ){
JpGraphError::RaiseL(25007,$aLocale);
//("You are trying to use the locale ($aLocale) which your PHP installation does not support. Hint: Use '' to indicate the default locale for this geographic region.");
return FALSE;
}
$this->iLocale = $aLocale;
for ( $i = 0, $ofs = 0 - strftime('%w'); $i < 7; $i++, $ofs++ ){
$day = strftime('%a', strtotime("$ofs day"));
$day{0} = strtoupper($day{0});
$this->iDayAbb[$aLocale][]= $day{0};
$this->iShortDay[$aLocale][]= $day;
}
for($i=1; $i<=12; ++$i) {
list($short ,$full) = explode('|', strftime("%b|%B",strtotime("2001-$i-01")));
$this->iShortMonth[$aLocale][] = ucfirst($short);
$this->iMonthName [$aLocale][] = ucfirst($full);
}
// Return to original locale
setlocale(LC_TIME, $pLocale);
return TRUE;
}
function GetDayAbb() {
return $this->iDayAbb[$this->iLocale];
}
function GetShortDay() {
return $this->iShortDay[$this->iLocale];
}
function GetShortMonth() {
return $this->iShortMonth[$this->iLocale];
}
function GetShortMonthName($aNbr) {
return $this->iShortMonth[$this->iLocale][$aNbr];
}
function GetLongMonthName($aNbr) {
return $this->iMonthName[$this->iLocale][$aNbr];
}
function GetMonth() {
return $this->iMonthName[$this->iLocale];
}
}
$gDateLocale = new DateLocale();
$gJpgDateLocale = new DateLocale();
//=======================================================
// CLASS Footer
// Description: Encapsulates the footer line in the Graph
//=======================================================
class Footer {
var $left,$center,$right;
var $iLeftMargin = 3;
var $iRightMargin = 3;
var $iBottomMargin = 3;
function Footer() {
$this->left = new Text();
$this->left->ParagraphAlign('left');
$this->center = new Text();
$this->center->ParagraphAlign('center');
$this->right = new Text();
$this->right->ParagraphAlign('right');
}
function Stroke(&$aImg) {
$y = $aImg->height - $this->iBottomMargin;
$x = $this->iLeftMargin;
$this->left->Align('left','bottom');
$this->left->Stroke($aImg,$x,$y);
$x = ($aImg->width - $this->iLeftMargin - $this->iRightMargin)/2;
$this->center->Align('center','bottom');
$this->center->Stroke($aImg,$x,$y);
$x = $aImg->width - $this->iRightMargin;
$this->right->Align('right','bottom');
$this->right->Stroke($aImg,$x,$y);
}
}
//===================================================
// CLASS Graph
// Description: Main class to handle graphs
//===================================================
class Graph {
var $cache=null; // Cache object (singleton)
var $img=null; // Img object (singleton)
var $plots=array(); // Array of all plot object in the graph (for Y 1 axis)
var $y2plots=array();// Array of all plot object in the graph (for Y 2 axis)
var $ynplots=array();
var $xscale=null; // X Scale object (could be instance of LinearScale or LogScale
var $yscale=null,$y2scale=null, $ynscale=array();
var $iIcons = array(); // Array of Icons to add to
var $cache_name; // File name to be used for the current graph in the cache directory
var $xgrid=null; // X Grid object (linear or logarithmic)
var $ygrid=null,$y2grid=null;
var $doframe=true,$frame_color=array(0,0,0), $frame_weight=1; // Frame around graph
var $boxed=false, $box_color=array(0,0,0), $box_weight=1; // Box around plot area
var $doshadow=false,$shadow_width=4,$shadow_color=array(102,102,102); // Shadow for graph
var $xaxis=null; // X-axis (instane of Axis class)
var $yaxis=null, $y2axis=null, $ynaxis=array(); // Y axis (instance of Axis class)
var $margin_color=array(200,200,200); // Margin color of graph
var $plotarea_color=array(255,255,255); // Plot area color
var $title,$subtitle,$subsubtitle; // Title and subtitle(s) text object
var $axtype="linlin"; // Type of axis
var $xtick_factor; // Factot to determine the maximum number of ticks depending on the plot with
var $texts=null, $y2texts=null; // Text object to ge shown in the graph
var $lines=null, $y2lines=null;
var $bands=null, $y2bands=null;
var $text_scale_off=0, $text_scale_abscenteroff=-1; // Text scale offset in fractions and for centering bars in absolute pixels
var $background_image="",$background_image_type=-1,$background_image_format="png";
var $background_image_bright=0,$background_image_contr=0,$background_image_sat=0;
var $image_bright=0, $image_contr=0, $image_sat=0;
var $inline;
var $showcsim=0,$csimcolor="red"; //debug stuff, draw the csim boundaris on the image if <>0
var $grid_depth=DEPTH_BACK; // Draw grid under all plots as default
var $iAxisStyle = AXSTYLE_SIMPLE;
var $iCSIMdisplay=false,$iHasStroked = false;
var $footer;
var $csimcachename = '', $csimcachetimeout = 0;
var $iDoClipping = false;
var $y2orderback=true;
var $tabtitle;
var $bkg_gradtype=-1,$bkg_gradstyle=BGRAD_MARGIN;
var $bkg_gradfrom='navy', $bkg_gradto='silver';
var $titlebackground = false;
var $titlebackground_color = 'lightblue',
$titlebackground_style = 1,
$titlebackground_framecolor = 'blue',
$titlebackground_framestyle = 2,
$titlebackground_frameweight = 1,
$titlebackground_bevelheight = 3 ;
var $titlebkg_fillstyle=TITLEBKG_FILLSTYLE_SOLID;
var $titlebkg_scolor1='black',$titlebkg_scolor2='white';
var $framebevel = false, $framebeveldepth = 2 ;
var $framebevelborder = false, $framebevelbordercolor='black';
var $framebevelcolor1='white@0.4', $framebevelcolor2='black@0.4';
var $background_image_mix=100;
var $background_cflag = '';
var $background_cflag_type = BGIMG_FILLPLOT;
var $background_cflag_mix = 100;
var $iImgTrans=false,
$iImgTransHorizon = 100,$iImgTransSkewDist=150,
$iImgTransDirection = 1, $iImgTransMinSize = true,
$iImgTransFillColor='white',$iImgTransHighQ=false,
$iImgTransBorder=false,$iImgTransHorizonPos=0.5;
var $iYAxisDeltaPos=50;
var $iIconDepth=DEPTH_BACK;
var $iAxisLblBgType = 0,
$iXAxisLblBgFillColor = 'lightgray', $iXAxisLblBgColor = 'black',
$iYAxisLblBgFillColor = 'lightgray', $iYAxisLblBgColor = 'black';
var $iTables=NULL;
//---------------
// CONSTRUCTOR
// aWIdth Width in pixels of image
// aHeight Height in pixels of image
// aCachedName Name for image file in cache directory
// aTimeOut Timeout in minutes for image in cache
// aInline If true the image is streamed back in the call to Stroke()
// If false the image is just created in the cache
function Graph($aWidth=300,$aHeight=200,$aCachedName="",$aTimeOut=0,$aInline=true) {
GLOBAL $gJpgBrandTiming;
// If timing is used create a new timing object
if( $gJpgBrandTiming ) {
global $tim;
$tim = new JpgTimer();
$tim->Push();
}
if( !is_numeric($aWidth) || !is_numeric($aHeight) ) {
JpGraphError::RaiseL(25008);//('Image width/height argument in Graph::Graph() must be numeric');
}
// Automatically generate the image file name based on the name of the script that
// generates the graph
if( $aCachedName=="auto" )
$aCachedName=GenImgName();
// Should the image be streamed back to the browser or only to the cache?
$this->inline=$aInline;
$this->img = new RotImage($aWidth,$aHeight);
$this->cache = new ImgStreamCache($this->img);
$this->cache->SetTimeOut($aTimeOut);
$this->title = new Text();
$this->title->ParagraphAlign('center');
$this->title->SetFont(FF_FONT2,FS_BOLD);
$this->title->SetMargin(3);
$this->title->SetAlign('center');
$this->subtitle = new Text();
$this->subtitle->ParagraphAlign('center');
$this->subtitle->SetMargin(2);
$this->subtitle->SetAlign('center');
$this->subsubtitle = new Text();
$this->subsubtitle->ParagraphAlign('center');
$this->subsubtitle->SetMargin(2);
$this->subsubtitle->SetAlign('center');
$this->legend = new Legend();
$this->footer = new Footer();
// Window doesn't like '?' in the file name so replace it with an '_'
$aCachedName = str_replace("?","_",$aCachedName);
// If the cached version exist just read it directly from the
// cache, stream it back to browser and exit
if( $aCachedName!="" && READ_CACHE && $aInline )
if( $this->cache->GetAndStream($aCachedName) ) {
exit();
}
$this->cache_name = $aCachedName;
$this->SetTickDensity(); // Normal density
$this->tabtitle = new GraphTabTitle();
}
//---------------
// PUBLIC METHODS
// Enable final image perspective transformation
function Set3DPerspective($aDir=1,$aHorizon=100,$aSkewDist=120,$aQuality=false,$aFillColor='#FFFFFF',$aBorder=false,$aMinSize=true,$aHorizonPos=0.5) {
$this->iImgTrans = true;
$this->iImgTransHorizon = $aHorizon;
$this->iImgTransSkewDist= $aSkewDist;
$this->iImgTransDirection = $aDir;
$this->iImgTransMinSize = $aMinSize;
$this->iImgTransFillColor=$aFillColor;
$this->iImgTransHighQ=$aQuality;
$this->iImgTransBorder=$aBorder;
$this->iImgTransHorizonPos=$aHorizonPos;
}
// Set Image format and optional quality
function SetImgFormat($aFormat,$aQuality=75) {
$this->img->SetImgFormat($aFormat,$aQuality);
}
// Should the grid be in front or back of the plot?
function SetGridDepth($aDepth) {
$this->grid_depth=$aDepth;
}
function SetIconDepth($aDepth) {
$this->iIconDepth=$aDepth;
}
// Specify graph angle 0-360 degrees.
function SetAngle($aAngle) {
$this->img->SetAngle($aAngle);
}
function SetAlphaBlending($aFlg=true) {
$this->img->SetAlphaBlending($aFlg);
}
// Shortcut to image margin
function SetMargin($lm,$rm,$tm,$bm) {
$this->img->SetMargin($lm,$rm,$tm,$bm);
}
function SetY2OrderBack($aBack=true) {
$this->y2orderback = $aBack;
}
// Rotate the graph 90 degrees and set the margin
// when we have done a 90 degree rotation
function Set90AndMargin($lm=0,$rm=0,$tm=0,$bm=0) {
$lm = $lm ==0 ? floor(0.2 * $this->img->width) : $lm ;
$rm = $rm ==0 ? floor(0.1 * $this->img->width) : $rm ;
$tm = $tm ==0 ? floor(0.2 * $this->img->height) : $tm ;
$bm = $bm ==0 ? floor(0.1 * $this->img->height) : $bm ;
$adj = ($this->img->height - $this->img->width)/2;
$this->img->SetMargin($tm-$adj,$bm-$adj,$rm+$adj,$lm+$adj);
$this->img->SetCenter(floor($this->img->width/2),floor($this->img->height/2));
$this->SetAngle(90);
if( empty($this->yaxis) || empty($this->xaxis) ) {
JpgraphError::RaiseL(25009);//('You must specify what scale to use with a call to Graph::SetScale()');
}
$this->xaxis->SetLabelAlign('right','center');
$this->yaxis->SetLabelAlign('center','bottom');
}
function SetClipping($aFlg=true) {
$this->iDoClipping = $aFlg ;
}
// Add a plot object to the graph
function Add(&$aPlot) {
if( $aPlot == null )
JpGraphError::RaiseL(25010);//("Graph::Add() You tried to add a null plot to the graph.");
if( is_array($aPlot) && count($aPlot) > 0 )
$cl = $aPlot[0];
else
$cl = $aPlot;
if( is_a($cl,'Text') )
$this->AddText($aPlot);
elseif( is_a($cl,'PlotLine') )
$this->AddLine($aPlot);
elseif( is_a($cl,'PlotBand') )
$this->AddBand($aPlot);
elseif( is_a($cl,'IconPlot') )
$this->AddIcon($aPlot);
elseif( is_a($cl,'GTextTable') )
$this->AddTable($aPlot);
else
$this->plots[] = &$aPlot;
}
function AddTable(&$aTable) {
if( is_array($aTable) ) {
for($i=0; $i < count($aTable); ++$i )
$this->iTables[]=&$aTable[$i];
}
else {
$this->iTables[] = &$aTable ;
}
}
function AddIcon(&$aIcon) {
if( is_array($aIcon) ) {
for($i=0; $i < count($aIcon); ++$i )
$this->iIcons[]=&$aIcon[$i];
}
else {
$this->iIcons[] = &$aIcon ;
}
}
// Add plot to second Y-scale
function AddY2(&$aPlot) {
if( $aPlot == null )
JpGraphError::RaiseL(25011);//("Graph::AddY2() You tried to add a null plot to the graph.");
if( is_array($aPlot) && count($aPlot) > 0 )
$cl = $aPlot[0];
else
$cl = $aPlot;
if( is_a($cl,'Text') )
$this->AddText($aPlot,true);
elseif( is_a($cl,'PlotLine') )
$this->AddLine($aPlot,true);
elseif( is_a($cl,'PlotBand') )
$this->AddBand($aPlot,true);
else
$this->y2plots[] = &$aPlot;
}
// Add plot to second Y-scale
function AddY($aN,&$aPlot) {
if( $aPlot == null )
JpGraphError::RaiseL(25012);//("Graph::AddYN() You tried to add a null plot to the graph.");
if( is_array($aPlot) && count($aPlot) > 0 )
$cl = $aPlot[0];
else
$cl = $aPlot;
if( is_a($cl,'Text') || is_a($cl,'PlotLine') || is_a($cl,'PlotBand') )
JpGraph::RaiseL(25013);//('You can only add standard plots to multiple Y-axis');
else
$this->ynplots[$aN][] = &$aPlot;
}
// Add text object to the graph
function AddText(&$aTxt,$aToY2=false) {
if( $aTxt == null )
JpGraphError::RaiseL(25014);//("Graph::AddText() You tried to add a null text to the graph.");
if( $aToY2 ) {
if( is_array($aTxt) ) {
for($i=0; $i < count($aTxt); ++$i )
$this->y2texts[]=&$aTxt[$i];
}
else
$this->y2texts[] = &$aTxt;
}
else {
if( is_array($aTxt) ) {
for($i=0; $i < count($aTxt); ++$i )
$this->texts[]=&$aTxt[$i];
}
else
$this->texts[] = &$aTxt;
}
}
// Add a line object (class PlotLine) to the graph
function AddLine(&$aLine,$aToY2=false) {
if( $aLine == null )
JpGraphError::RaiseL(25015);//("Graph::AddLine() You tried to add a null line to the graph.");
if( $aToY2 ) {
if( is_array($aLine) ) {
for($i=0; $i < count($aLine); ++$i )
$this->y2lines[]=&$aLine[$i];
}
else
$this->y2lines[] = &$aLine;
}
else {
if( is_array($aLine) ) {
for($i=0; $i < count($aLine); ++$i )
$this->lines[]=&$aLine[$i];
}
else
$this->lines[] = &$aLine;
}
}
// Add vertical or horizontal band
function AddBand(&$aBand,$aToY2=false) {
if( $aBand == null )
JpGraphError::RaiseL(25016);//(" Graph::AddBand() You tried to add a null band to the graph.");
if( $aToY2 ) {
if( is_array($aBand) ) {
for($i=0; $i < count($aBand); ++$i )
$this->y2bands[] = &$aBand[$i];
}
else
$this->y2bands[] = &$aBand;
}
else {
if( is_array($aBand) ) {
for($i=0; $i < count($aBand); ++$i )
$this->bands[] = &$aBand[$i];
}
else
$this->bands[] = &$aBand;
}
}
function SetBackgroundGradient($aFrom='navy',$aTo='silver',$aGradType=2,$aStyle=BGRAD_FRAME) {
$this->bkg_gradtype=$aGradType;
$this->bkg_gradstyle=$aStyle;
$this->bkg_gradfrom = $aFrom;
$this->bkg_gradto = $aTo;
}
// Set a country flag in the background
function SetBackgroundCFlag($aName,$aBgType=BGIMG_FILLPLOT,$aMix=100) {
$this->background_cflag = $aName;
$this->background_cflag_type = $aBgType;
$this->background_cflag_mix = $aMix;
}
// Alias for the above method
function SetBackgroundCountryFlag($aName,$aBgType=BGIMG_FILLPLOT,$aMix=100) {
$this->background_cflag = $aName;
$this->background_cflag_type = $aBgType;
$this->background_cflag_mix = $aMix;
}
// Specify a background image
function SetBackgroundImage($aFileName,$aBgType=BGIMG_FILLPLOT,$aImgFormat="auto") {
if( $GLOBALS['gd2'] && !USE_TRUECOLOR ) {
JpGraphError::RaiseL(25017);//("You are using GD 2.x and are trying to use a background images on a non truecolor image. To use background images with GD 2.x you must enable truecolor by setting the USE_TRUECOLOR constant to TRUE. Due to a bug in GD 2.0.1 using any truetype fonts with truecolor images will result in very poor quality fonts.");
}
// Get extension to determine image type
if( $aImgFormat == "auto" ) {
$e = explode('.',$aFileName);
if( !$e ) {
JpGraphError::RaiseL(25018,$aFileName);//('Incorrect file name for Graph::SetBackgroundImage() : '.$aFileName.' Must have a valid image extension (jpg,gif,png) when using autodetection of image type');
}
$valid_formats = array('png', 'jpg', 'gif');
$aImgFormat = strtolower($e[count($e)-1]);
if ($aImgFormat == 'jpeg') {
$aImgFormat = 'jpg';
}
elseif (!in_array($aImgFormat, $valid_formats) ) {
JpGraphError::RaiseL(25019,$aImgFormat);//('Unknown file extension ($aImgFormat) in Graph::SetBackgroundImage() for filename: '.$aFileName);
}
}
$this->background_image = $aFileName;
$this->background_image_type=$aBgType;
$this->background_image_format=$aImgFormat;
}
function SetBackgroundImageMix($aMix) {
$this->background_image_mix = $aMix ;
}
// Adjust brightness and constrast for background image
function AdjBackgroundImage($aBright,$aContr=0,$aSat=0) {
$this->background_image_bright=$aBright;
$this->background_image_contr=$aContr;
$this->background_image_sat=$aSat;
}
// Adjust brightness and constrast for image
function AdjImage($aBright,$aContr=0,$aSat=0) {
$this->image_bright=$aBright;
$this->image_contr=$aContr;
$this->image_sat=$aSat;
}
// Specify axis style (boxed or single)
function SetAxisStyle($aStyle) {
$this->iAxisStyle = $aStyle ;
}
// Set a frame around the plot area
function SetBox($aDrawPlotFrame=true,$aPlotFrameColor=array(0,0,0),$aPlotFrameWeight=1) {
$this->boxed = $aDrawPlotFrame;
$this->box_weight = $aPlotFrameWeight;
$this->box_color = $aPlotFrameColor;
}
// Specify color for the plotarea (not the margins)
function SetColor($aColor) {
$this->plotarea_color=$aColor;
}
// Specify color for the margins (all areas outside the plotarea)
function SetMarginColor($aColor) {
$this->margin_color=$aColor;
}
// Set a frame around the entire image
function SetFrame($aDrawImgFrame=true,$aImgFrameColor=array(0,0,0),$aImgFrameWeight=1) {
$this->doframe = $aDrawImgFrame;
$this->frame_color = $aImgFrameColor;
$this->frame_weight = $aImgFrameWeight;
}
function SetFrameBevel($aDepth=3,$aBorder=false,$aBorderColor='black',$aColor1='white@0.4',$aColor2='darkgray@0.4',$aFlg=true) {
$this->framebevel = $aFlg ;
$this->framebeveldepth = $aDepth ;
$this->framebevelborder = $aBorder ;
$this->framebevelbordercolor = $aBorderColor ;
$this->framebevelcolor1 = $aColor1 ;
$this->framebevelcolor2 = $aColor2 ;
$this->doshadow = false ;
}
// Set the shadow around the whole image
function SetShadow($aShowShadow=true,$aShadowWidth=5,$aShadowColor=array(102,102,102)) {
$this->doshadow = $aShowShadow;
$this->shadow_color = $aShadowColor;
$this->shadow_width = $aShadowWidth;
$this->footer->iBottomMargin += $aShadowWidth;
$this->footer->iRightMargin += $aShadowWidth;
}
// Specify x,y scale. Note that if you manually specify the scale
// you must also specify the tick distance with a call to Ticks::Set()
function SetScale($aAxisType,$aYMin=1,$aYMax=1,$aXMin=1,$aXMax=1) {
$this->axtype = $aAxisType;
if( $aYMax < $aYMin || $aXMax < $aXMin )
JpGraphError::RaiseL(25020);//('Graph::SetScale(): Specified Max value must be larger than the specified Min value.');
$yt=substr($aAxisType,-3,3);
if( $yt=="lin" )
$this->yscale = new LinearScale($aYMin,$aYMax);
elseif( $yt == "int" ) {
$this->yscale = new LinearScale($aYMin,$aYMax);
$this->yscale->SetIntScale();
}
elseif( $yt=="log" )
$this->yscale = new LogScale($aYMin,$aYMax);
else
JpGraphError::RaiseL(25021,$aAxisType);//("Unknown scale specification for Y-scale. ($aAxisType)");
$xt=substr($aAxisType,0,3);
if( $xt == "lin" || $xt == "tex" ) {
$this->xscale = new LinearScale($aXMin,$aXMax,"x");
$this->xscale->textscale = ($xt == "tex");
}
elseif( $xt == "int" ) {
$this->xscale = new LinearScale($aXMin,$aXMax,"x");
$this->xscale->SetIntScale();
}
elseif( $xt == "dat" ) {
$this->xscale = new DateScale($aXMin,$aXMax,"x");
}
elseif( $xt == "log" )
$this->xscale = new LogScale($aXMin,$aXMax,"x");
else
JpGraphError::RaiseL(25022,$aAxisType);//(" Unknown scale specification for X-scale. ($aAxisType)");
$this->xaxis = new Axis($this->img,$this->xscale);
$this->yaxis = new Axis($this->img,$this->yscale);
$this->xgrid = new Grid($this->xaxis);
$this->ygrid = new Grid($this->yaxis);
$this->ygrid->Show();
}
// Specify secondary Y scale
function SetY2Scale($aAxisType="lin",$aY2Min=1,$aY2Max=1) {
if( $aAxisType=="lin" )
$this->y2scale = new LinearScale($aY2Min,$aY2Max);
elseif( $aAxisType == "int" ) {
$this->y2scale = new LinearScale($aY2Min,$aY2Max);
$this->y2scale->SetIntScale();
}
elseif( $aAxisType=="log" ) {
$this->y2scale = new LogScale($aY2Min,$aY2Max);
}
else JpGraphError::RaiseL(25023,$aAxisType);//("JpGraph: Unsupported Y2 axis type: $aAxisType\nMust be one of (lin,log,int)");
$this->y2axis = new Axis($this->img,$this->y2scale);
$this->y2axis->scale->ticks->SetDirection(SIDE_LEFT);
$this->y2axis->SetLabelSide(SIDE_RIGHT);
$this->y2axis->SetPos('max');
$this->y2axis->SetTitleSide(SIDE_RIGHT);
// Deafult position is the max x-value
$this->y2grid = new Grid($this->y2axis);
}
// Set the delta position (in pixels) between the multiple Y-axis
function SetYDeltaDist($aDist) {
$this->iYAxisDeltaPos = $aDist;
}
// Specify secondary Y scale
function SetYScale($aN,$aAxisType="lin",$aYMin=1,$aYMax=1) {
if( $aAxisType=="lin" )
$this->ynscale[$aN] = new LinearScale($aYMin,$aYMax);
elseif( $aAxisType == "int" ) {
$this->ynscale[$aN] = new LinearScale($aYMin,$aYMax);
$this->ynscale[$aN]->SetIntScale();
}
elseif( $aAxisType=="log" ) {
$this->ynscale[$aN] = new LogScale($aYMin,$aYMax);
}
else JpGraphError::RaiseL(25024,$aAxisType);//("JpGraph: Unsupported Y axis type: $aAxisType\nMust be one of (lin,log,int)");
$this->ynaxis[$aN] = new Axis($this->img,$this->ynscale[$aN]);
$this->ynaxis[$aN]->scale->ticks->SetDirection(SIDE_LEFT);
$this->ynaxis[$aN]->SetLabelSide(SIDE_RIGHT);
}
// Specify density of ticks when autoscaling 'normal', 'dense', 'sparse', 'verysparse'
// The dividing factor have been determined heuristically according to my aesthetic
// sense (or lack off) y.m.m.v !
function SetTickDensity($aYDensity=TICKD_NORMAL,$aXDensity=TICKD_NORMAL) {
$this->xtick_factor=30;
$this->ytick_factor=25;
switch( $aYDensity ) {
case TICKD_DENSE:
$this->ytick_factor=12;
break;
case TICKD_NORMAL:
$this->ytick_factor=25;
break;
case TICKD_SPARSE:
$this->ytick_factor=40;
break;
case TICKD_VERYSPARSE:
$this->ytick_factor=100;
break;
default:
JpGraphError::RaiseL(25025,$densy);//("JpGraph: Unsupported Tick density: $densy");
}
switch( $aXDensity ) {
case TICKD_DENSE:
$this->xtick_factor=15;
break;
case TICKD_NORMAL:
$this->xtick_factor=30;
break;
case TICKD_SPARSE:
$this->xtick_factor=45;
break;
case TICKD_VERYSPARSE:
$this->xtick_factor=60;
break;
default:
JpGraphError::RaiseL(25025,$densx);//("JpGraph: Unsupported Tick density: $densx");
}
}
// Get a string of all image map areas
function GetCSIMareas() {
if( !$this->iHasStroked )
$this->Stroke(_CSIM_SPECIALFILE);
$csim = $this->title->GetCSIMAreas();
$csim .= $this->subtitle->GetCSIMAreas();
$csim .= $this->subsubtitle->GetCSIMAreas();
$csim .= $this->legend->GetCSIMAreas();
if( $this->y2axis != NULL ) {
$csim .= $this->y2axis->title->GetCSIMAreas();
}
if( $this->texts != null ) {
$n = count($this->texts);
for($i=0; $i < $n; ++$i ) {
$csim .= $this->texts[$i]->GetCSIMAreas();
}
}
if( $this->y2texts != null && $this->y2scale != null ) {
$n = count($this->y2texts);
for($i=0; $i < $n; ++$i ) {
$csim .= $this->y2texts[$i]->GetCSIMAreas();
}
}
if( $this->yaxis != null && $this->xaxis != null ) {
$csim .= $this->yaxis->title->GetCSIMAreas();
$csim .= $this->xaxis->title->GetCSIMAreas();
}
$n = count($this->plots);
for( $i=0; $i < $n; ++$i )
$csim .= $this->plots[$i]->GetCSIMareas();
$n = count($this->y2plots);
for( $i=0; $i < $n; ++$i )
$csim .= $this->y2plots[$i]->GetCSIMareas();
$n = count($this->ynaxis);
for( $i=0; $i < $n; ++$i ) {
$m = count($this->ynplots[$i]);
for($j=0; $j < $m; ++$j ) {
$csim .= $this->ynplots[$i][$j]->GetCSIMareas();
}
}
$n = count($this->iTables);
for( $i=0; $i < $n; ++$i ) {
$csim .= $this->iTables[$i]->GetCSIMareas();
}
return $csim;
}
// Get a complete tag for the final image map
function GetHTMLImageMap($aMapName) {
//$im = "