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GNU GENERAL PUBLIC LICENSE
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???????????????????????????????????????????
? ?
? pChart - a PHP Charting library ?
? ?
? Version : 2.1.3 ?
? Made by : Jean-Damien POGOLOTTI ?
? Last Update : 09/09/11 ?
? ?
???????????????????????????????????????????
2.1.3 ????????????????????????????????????????????????????????????????????????
o Updated drawPlotChart() to size the plot based on the serie weight.
o Added the drawXThreshold() function.
o Added the drawXThresholdArea() function.
o Added the AreaName param. to drawXThresholdArea() and drawThresholdArea().
o Various visual enhancements.
o Fixed a bug in the drawPlotChart() function.
o Added shadow support for the Area charts.
o Added the BorderWidth parameter to the drawBubbleChart() function.
o Added the Shape parameter to the drawBubbleChart() function.
o Added the AXIS_FORMAT_CUSTOM for user callback handling.
o Rewritten the drawStackedAreaChart() function.
o Added support for labels on stacked charts.
o Added the createFunctionSerie() function to the pData class.
o Added the drawScatterThreshold() function to the pScatter class.
o Added the drawScatterThresholdArea() function to the pScatter class.
o Added the setAbsicssaPosition() function to the pData class.
o Added the NegateValues() function to the pData class.
o Added the NoMargin parameter to the drawThresholdArea & drawThreshold fcts.
o Added the drawAreaMirror() function.
o Added the EURO_SYMBOL constant.
o Added the replaceImageMapValues() function.
o Added the replaceImageMapTitle() function.
o Thresholds functions can now accept an array of points.
o Added the FixedMax parameter to both the Radar and Polar charts.
o Added the Precision parameter to the pie and ring charts.
o Added the DisplayOrientation parameter to the bar & stacked bar charts.
o Fixed a bug while using the drawBestFit function with VOID datasets.
o Added the RemoveXAxis option to the drawScale() function.
2.1.2 ????????????????????????????????????????????????????????????????????????
o Added zone threshold support for filled area charts.
o Added zone threshold support for filled spline charts.
o Added the setScatterSerieShape() function.
o Added the getSerieMedian() function.
o Added the drawZoneChart() function.
o Added the getStandardDeviation() function.
o Added the getCoefficientOfVariation() function.
o Added the getGeometricMean() function.
o Added the getHarmonicMean() function.
o Introduced support for imageMap.
o Added the initialiseImageMap() function.
o Added the addToImageMap() function.
o Added the dumpImageMap() function.
o Added value writting supports to the radars & polars charts.
o Added the option to add an inner border to the reg. and stacked bar charts.
o Added the SERIE_SHAPE_DIAMOND and SERIE_SHAPE_FILLEDDIAMOND series shapes.
o Fixed a visual bug in the drawAreaChart function. (thks to dmiller)
o Added the BrowserExpire param to the stroke() function (thks to marquonis)
o Fixed a visual bug in the drawBarChart function when the Interleave is 0.
o Corrected a bug in the drawScatterBestFit() function (thks to ares)
o Fixed some bugs with the pie chart functions.
2.1.1 ????????????????????????????????????????????????????????????????????????
o Created the pIndicator class.
o Created the pSurface class.
o Added the drawLabel() function.
o Added the writeScatterLabel() function.
o Added the writeBubbleLabel() function.
o Added the ForceAlpha parameter to the buble chart.
o Added the LabelStacked parameter to the 2D and 3D pie charts.
o Added 2D ring chart support to the pPie class extension.
o Added 3D ring chart support to the pPie class extension.
o Added the autoOutput() method to the pCache class.
o Added some NULL value tests.
o Added the setSerieShape() function to the pData class.
o Added the setAbscissaName() function to the pData class.
o Fixed a bug in the getAverage() function.
o Changed the VOID constant from 0.12345 to 0.123456789.
o Fixed a bug with the number of decimals in the METRIC scale.
o Fixed a visual bug with reversed bar chart labelling.
o Added the ValuePosition & ValuePadding parameters to the pie charts.
o Added the WriteValue parameters to the 2D pie charts.
o Added the getSeriePalette() function to the pData class.
o pData methods can now accept array of serie parameters.
o Fixed a bug in the scatter spline chart VOID values handling.
2.1.0 ????????????????????????????????????????????????????????????????????????
/!\ Renamed the .class files to .class.php.
o Create the pScatter class.
o Added the ScatterPlotChart() charting method.
o Added the ScatterLineChart() charting method.
o Added the ScatterSplineChart() charting method.
o Added the DrawScatterLegend() function.
o Added the getScatterLegendSize() function.
o Added the following function to the pData class :
- setScatterSerie()
- setScatterSerieDescription()
- setScatterSeriePicture()
- setScatterSerieDrawable()
- setScatterSerieTicks()
- setScatterSerieWeight()
- setScatterSerieColor()
o Added a Forces config. array to drawSpline() function to allow parametric
forces. (used by the scatter spline algorithm)
o Added Floating0Serie & Floating0Value options to the drawBarChart function.
o Added the Draw0Line option to the drawBarChart function.
o Added support for line and filled step charts.
o Fixed a visual artifact in the drawGradient() function.
o Fixed a visual artifact in the drawRoundedFilledRectangle() function.
o Fixed a visual artifact in the drawRadar() function.
o Rewritten the example index page.
o Added the Floating parameter to the scaling functions.
o Added the drawBestFit() and drawScatterBestFit() math functions.
2.0.13 ???????????????????????????????????????????????????????????????????????
o Modified the drawScale() function to get the best visual factors.
o Added the BorderAlpha parameter to the drawFilledCircle() function.
o Shipped more examples.
o Fixed a bug in the normalize() function and 0 Values.
o Finally implemented the setSeriePicture() output.
o Added the bubble class extension.
o Added the possibility to have a transparent background to the generated
pictures keeping the alpha channels (thanks to georgi.m)
o Updated the sandbox to support transparent background.
o Added the drawDerivative() function to draw curve slope factor.
o Additional Minor fixes.
2.0.12 ???????????????????????????????????????????????????????????????????????
o Added missing points (VOID) handling for line & spline charts.
o Added customisation options to the drawLegend() function.
o Various additions and enhancements in the sandbox.
o Added the weight series support to the drawSplineChart() function.
o Added the SCALE_MODE_MANUAL scaling method.
2.0.11 ???????????????????????????????????????????????????????????????????????
o Added the AxisBoxRounded, AxisFontName, AxisFontSize parameters to the
radar and polar class.
o Fixed a bug with the axis labels of the radar charts using the STAR layout.
o Fixed a bug in the axis format computing.
o Added the axis format option in the sandbox system.
o Tuned the way the METRIC scales are displayed.
o Fixed a bug with the getWidth(), getHeight().(thanks to SandmanXC)
2.0.10 ???????????????????????????????????????????????????????????????????????
/!\ First public release.
o Fixed a bug in the normalize() function for VOID values.
o Updated the example rendering frontend.
o Updated the sandbox.
2.0.9 ????????????????????????????????????????????????????????????????????????
o Added the sandbox.
o Added the getLegendSize() function.
o Added the SCALE_MODE_ADDALL_START0 scaling method.
o Fixed a bug in the normalize() function.
o Fixed a bug in the computeScale() function.
2.0.8 ????????????????????????????????????????????????????????????????????????
o Corrected a bug in the drawThreshold() function. (thanks to mice32alpha)
o Added rendering options to the writeBounds() function.
o Enhanced the rendering of the drawRoundedFilledRectangle() function.
o Added the setSerieWeight() function to the pData class.
o Fixed a bug in the loadPalette() function.
o Added the 9 palette files. (/palettes)
o Fixed visual artifact in the drawGradientArea() function.
2.0.7 ????????????????????????????????????????????????????????????????????????
o Fixed a cosmetic issue in the stacked area chart function.
o Bar chart with 0 values now appears as a 0 line.
o Zero values are not rendered anymore in stacked bar charts.
o Added the possibility to rotate X axis labels. (LabelRotation)
o Added rendering parameters for skipped X axis values :
$SkippedAxisTicks
$SkippedAxisR
$SkippedAxisG
$SkippedAxisB
$SkippedAxisAlpha
$SkippedTickR
$SkippedTickG
$SkippedTickB
$SkippedTickAlpha
$SkippedInnerTickWidth
$SkippedOuterTickWidth
o Added the ability to draw a background box around text (flat, rounded)
o Added the importFromCSV() method to the pData class.
o Fixed a bug in the min/max computing of the data series with VOID values.
2.0.6 ????????????????????????????????????????????????????????????????????????
o Added setSliceColor() function to the pPie class.
o Added support for stacked area charts.
o Fixed an issue with 3D pie chart labelling.
o Fixed artifacts issues with the 3D pie hidden faces.
o Fixed a bug in the drawPolygon() function.
o Fixed a bug with automatic abscissa labelling.
o Rewritten the delayedLoaded script. (advice of mathbr for compatibility)
2.0.5 ????????????????????????????????????????????????????????????????????????
o Added support for 3D pie charts.
o Enhanced the example rendering. (web)
o Added functionalities on radar charts (proposed by dani Huber)
- SkipLabels to skip any number of labels.
- LabelMiddle to center the labels between the slices.
o Fixed a bug with the palette management.
o Fixed an issue while displaying multiple-line legends.
o Added the delayed loader script in the examples.
2.0.4 ????????????????????????????????????????????????????????????????????????
o Fixed issue with really small data series. (one value)
o Enhanced the example rendering. (batch + web)
o Added the autoOutput() rendering method.
o Made various minor fixes.
2.0.3 ????????????????????????????????????????????????????????????????????????
o Added the autoOutput() function that determine if the picture should be
rendered with the Render() or Stroke() function based on the way the script
is called. (CLI or HTTPD)
o Added the getSum() function to the pData class.
o Added support for 2D pie charts :
- draw2DPie()
- drawPieLegend()
o Fixed angle issue in the drawArrowLabel function.
o While turning AA off, dashed line were not rendered (thanks to mice32alpha)
2.0.2 ????????????????????????????????????????????????????????????????????????
o Fixing some notifications messages with the PHP5.3.x deprecated functions :
- split has been replaced by preg_split.
- ereg has been replaced by preg_match.
o Removed deprecated test with the in_array() function.
2.0.1 ????????????????????????????????????????????????????????????????????????
o First public early adopter release.
2.0.0 ????????????????????????????????????????????????????????????????????????
o Initial release of the v2.0.0 trunk. All primitive functions and some of
the charting functions have been created.

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<?php
/*
pDraw - class to manipulate data arrays
Version : 2.1.3
Made by : Jean-Damien POGOLOTTI
Last Update : 09/09/11
This file can be distributed under the license you can find at :
http://www.pchart.net/license
You can find the whole class documentation on the pChart web site.
*/
/* Axis configuration */
define("AXIS_FORMAT_DEFAULT" , 680001);
define("AXIS_FORMAT_TIME" , 680002);
define("AXIS_FORMAT_DATE" , 680003);
define("AXIS_FORMAT_METRIC" , 680004);
define("AXIS_FORMAT_CURRENCY" , 680005);
define("AXIS_FORMAT_CUSTOM" , 680006);
/* Axis position */
define("AXIS_POSITION_LEFT" , 681001);
define("AXIS_POSITION_RIGHT" , 681002);
define("AXIS_POSITION_TOP" , 681001);
define("AXIS_POSITION_BOTTOM" , 681002);
/* Families of data points */
define("SERIE_SHAPE_FILLEDCIRCLE" , 681011);
define("SERIE_SHAPE_FILLEDTRIANGLE" , 681012);
define("SERIE_SHAPE_FILLEDSQUARE" , 681013);
define("SERIE_SHAPE_FILLEDDIAMOND" , 681017);
define("SERIE_SHAPE_CIRCLE" , 681014);
define("SERIE_SHAPE_TRIANGLE" , 681015);
define("SERIE_SHAPE_SQUARE" , 681016);
define("SERIE_SHAPE_DIAMOND" , 681018);
/* Axis position */
define("AXIS_X" , 682001);
define("AXIS_Y" , 682002);
/* Define value limits */
define("ABSOLUTE_MIN" , -10000000000000);
define("ABSOLUTE_MAX" , 10000000000000);
/* Replacement to the PHP NULL keyword */
define("VOID" , 0.123456789);
/* Euro symbol for GD fonts */
define("EURO_SYMBOL" , utf8_encode("&#8364;"));
/* pData class definition */
class pData
{
var $Data;
var $Palette = array("0"=>array("R"=>188,"G"=>224,"B"=>46,"Alpha"=>100),
"1"=>array("R"=>224,"G"=>100,"B"=>46,"Alpha"=>100),
"2"=>array("R"=>224,"G"=>214,"B"=>46,"Alpha"=>100),
"3"=>array("R"=>46,"G"=>151,"B"=>224,"Alpha"=>100),
"4"=>array("R"=>176,"G"=>46,"B"=>224,"Alpha"=>100),
"5"=>array("R"=>224,"G"=>46,"B"=>117,"Alpha"=>100),
"6"=>array("R"=>92,"G"=>224,"B"=>46,"Alpha"=>100),
"7"=>array("R"=>224,"G"=>176,"B"=>46,"Alpha"=>100));
/* Class creator */
function pData()
{
$this->Data = "";
$this->Data["XAxisDisplay"] = AXIS_FORMAT_DEFAULT;
$this->Data["XAxisFormat"] = NULL;
$this->Data["XAxisName"] = NULL;
$this->Data["XAxisUnit"] = NULL;
$this->Data["Abscissa"] = NULL;
$this->Data["AbsicssaPosition"] = AXIS_POSITION_BOTTOM;
$this->Data["Axis"][0]["Display"] = AXIS_FORMAT_DEFAULT;
$this->Data["Axis"][0]["Position"] = AXIS_POSITION_LEFT;
$this->Data["Axis"][0]["Identity"] = AXIS_Y;
}
/* Add a single point or an array to the given serie */
function addPoints($Values,$SerieName="Serie1")
{
if (!isset($this->Data["Series"][$SerieName]))
$this->initialise($SerieName);
if ( is_array($Values) )
{
foreach($Values as $Key => $Value)
{ $this->Data["Series"][$SerieName]["Data"][] = $Value; }
}
else
$this->Data["Series"][$SerieName]["Data"][] = $Values;
if ( $Values != VOID )
{
$StrippedData = $this->stripVOID($this->Data["Series"][$SerieName]["Data"]);
if ( empty($StrippedData) ) { $this->Data["Series"][$SerieName]["Max"] = 0; $this->Data["Series"][$SerieName]["Min"] =0; return(0); }
$this->Data["Series"][$SerieName]["Max"] = max($StrippedData);
$this->Data["Series"][$SerieName]["Min"] = min($StrippedData);
}
}
/* Strip VOID values */
function stripVOID($Values)
{ if (!is_array($Values)) { return(array()); } $Result = array(); foreach($Values as $Key => $Value) { if ( $Value != VOID ) { $Result[] = $Value; } } return($Result); }
/* Return the number of values contained in a given serie */
function getSerieCount($Serie)
{ if (isset($this->Data["Series"][$Serie]["Data"])) { return(sizeof($this->Data["Series"][$Serie]["Data"])); } else { return(0); } }
/* Remove a serie from the pData object */
function removeSerie($Series)
{
if ( !is_array($Series) ) { $Series = $this->convertToArray($Series); }
foreach($Series as $Key => $Serie) { if (isset($this->Data["Series"][$Serie])) { unset($this->Data["Series"][$Serie]); } }
}
/* Return a value from given serie & index */
function getValueAt($Serie,$Index=0)
{ if (isset($this->Data["Series"][$Serie]["Data"][$Index])) { return($this->Data["Series"][$Serie]["Data"][$Index]); } else { return(NULL); } }
/* Return the values array */
function getValues($Serie)
{ if (isset($this->Data["Series"][$Serie]["Data"])) { return($this->Data["Series"][$Serie]["Data"]); } else { return(NULL); } }
/* Reverse the values in the given serie */
function reverseSerie($Series)
{
if ( !is_array($Series) ) { $Series = $this->convertToArray($Series); }
foreach($Series as $Key => $Serie) { if (isset($this->Data["Series"][$Serie]["Data"])) { $this->Data["Series"][$Serie]["Data"] = array_reverse($this->Data["Series"][$Serie]["Data"]); } }
}
/* Return the sum of the serie values */
function getSum($Serie)
{ if (isset($this->Data["Series"][$Serie])) { return(array_sum($this->Data["Series"][$Serie]["Data"])); } else { return(NULL); } }
/* Return the max value of a given serie */
function getMax($Serie)
{ if (isset($this->Data["Series"][$Serie]["Max"])) { return($this->Data["Series"][$Serie]["Max"]); } else { return(NULL); } }
/* Return the min value of a given serie */
function getMin($Serie)
{ if (isset($this->Data["Series"][$Serie]["Min"])) { return($this->Data["Series"][$Serie]["Min"]); } else { return(NULL); } }
/* Set the description of a given serie */
function setSerieShape($Series,$Shape=SERIE_SHAPE_FILLEDCIRCLE)
{
if ( !is_array($Series) ) { $Series = $this->convertToArray($Series); }
foreach($Series as $Key => $Serie) { if (isset($this->Data["Series"][$Serie]) ) { $this->Data["Series"][$Serie]["Shape"] = $Shape; } }
}
/* Set the description of a given serie */
function setSerieDescription($Series,$Description="My serie")
{
if ( !is_array($Series) ) { $Series = $this->convertToArray($Series); }
foreach($Series as $Key => $Serie) { if (isset($this->Data["Series"][$Serie]) ) { $this->Data["Series"][$Serie]["Description"] = $Description; } }
}
/* Set a serie as "drawable" while calling a rendering function */
function setSerieDrawable($Series,$Drawable=TRUE)
{
if ( !is_array($Series) ) { $Series = $this->convertToArray($Series); }
foreach($Series as $Key => $Serie) { if (isset($this->Data["Series"][$Serie]) ) { $this->Data["Series"][$Serie]["isDrawable"] = $Drawable; } }
}
/* Set the icon associated to a given serie */
function setSeriePicture($Series,$Picture=NULL)
{
if ( !is_array($Series) ) { $Series = $this->convertToArray($Series); }
foreach($Series as $Key => $Serie) { if (isset($this->Data["Series"][$Serie]) ) { $this->Data["Series"][$Serie]["Picture"] = $Picture; } }
}
/* Set the name of the X Axis */
function setXAxisName($Name)
{ $this->Data["XAxisName"] = $Name; }
/* Set the display mode of the X Axis */
function setXAxisDisplay($Mode,$Format=NULL)
{ $this->Data["XAxisDisplay"] = $Mode; $this->Data["XAxisFormat"] = $Format; }
/* Set the unit that will be displayed on the X axis */
function setXAxisUnit($Unit)
{ $this->Data["XAxisUnit"] = $Unit; }
/* Set the serie that will be used as abscissa */
function setAbscissa($Serie)
{ if (isset($this->Data["Series"][$Serie])) { $this->Data["Abscissa"] = $Serie; } }
function setAbsicssaPosition($Position = AXIS_POSITION_BOTTOM)
{ $this->Data["AbsicssaPosition"] = $Position; }
/* Set the name of the abscissa axis */
function setAbscissaName($Name)
{ $this->Data["AbscissaName"] = $Name; }
/* Create a scatter group specifyin X and Y data series */
function setScatterSerie($SerieX,$SerieY,$ID=0)
{ if (isset($this->Data["Series"][$SerieX]) && isset($this->Data["Series"][$SerieY]) ) { $this->initScatterSerie($ID); $this->Data["ScatterSeries"][$ID]["X"] = $SerieX; $this->Data["ScatterSeries"][$ID]["Y"] = $SerieY; } }
/* Set the shape of a given sctatter serie */
function setScatterSerieShape($ID,$Shape=SERIE_SHAPE_FILLEDCIRCLE)
{ if (isset($this->Data["ScatterSeries"][$ID]) ) { $this->Data["ScatterSeries"][$ID]["Shape"] = $Shape; } }
/* Set the description of a given scatter serie */
function setScatterSerieDescription($ID,$Description="My serie")
{ if (isset($this->Data["ScatterSeries"][$ID]) ) { $this->Data["ScatterSeries"][$ID]["Description"] = $Description; } }
/* Set the icon associated to a given scatter serie */
function setScatterSeriePicture($ID,$Picture=NULL)
{ if (isset($this->Data["ScatterSeries"][$ID]) ) { $this->Data["ScatterSeries"][$ID]["Picture"] = $Picture; } }
/* Set a scatter serie as "drawable" while calling a rendering function */
function setScatterSerieDrawable($ID ,$Drawable=TRUE)
{ if (isset($this->Data["ScatterSeries"][$ID]) ) { $this->Data["ScatterSeries"][$ID]["isDrawable"] = $Drawable; } }
/* Define if a scatter serie should be draw with ticks */
function setScatterSerieTicks($ID,$Width=0)
{ if ( isset($this->Data["ScatterSeries"][$ID]) ) { $this->Data["ScatterSeries"][$ID]["Ticks"] = $Width; } }
/* Define if a scatter serie should be draw with a special weight */
function setScatterSerieWeight($ID,$Weight=0)
{ if ( isset($this->Data["ScatterSeries"][$ID]) ) { $this->Data["ScatterSeries"][$ID]["Weight"] = $Weight; } }
/* Associate a color to a scatter serie */
function setScatterSerieColor($ID,$Format)
{
$R = isset($Format["R"]) ? $Format["R"] : 0;
$G = isset($Format["G"]) ? $Format["G"] : 0;
$B = isset($Format["B"]) ? $Format["B"] : 0;
$Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
if ( isset($this->Data["ScatterSeries"][$ID]) )
{
$this->Data["ScatterSeries"][$ID]["Color"]["R"] = $R;
$this->Data["ScatterSeries"][$ID]["Color"]["G"] = $G;
$this->Data["ScatterSeries"][$ID]["Color"]["B"] = $B;
$this->Data["ScatterSeries"][$ID]["Color"]["Alpha"] = $Alpha;
}
}
/* Compute the series limits for an individual and global point of view */
function limits()
{
$GlobalMin = ABSOLUTE_MAX;
$GlobalMax = ABSOLUTE_MIN;
foreach($this->Data["Series"] as $Key => $Value)
{
if ( $this->Data["Abscissa"] != $Key && $this->Data["Series"][$Key]["isDrawable"] == TRUE)
{
if ( $GlobalMin > $this->Data["Series"][$Key]["Min"] ) { $GlobalMin = $this->Data["Series"][$Key]["Min"]; }
if ( $GlobalMax < $this->Data["Series"][$Key]["Max"] ) { $GlobalMax = $this->Data["Series"][$Key]["Max"]; }
}
}
$this->Data["Min"] = $GlobalMin;
$this->Data["Max"] = $GlobalMax;
return(array($GlobalMin,$GlobalMax));
}
/* Mark all series as drawable */
function drawAll()
{ foreach($this->Data["Series"] as $Key => $Value) { if ( $this->Data["Abscissa"] != $Key ) { $this->Data["Series"][$Key]["isDrawable"]=TRUE; } } }
/* Return the average value of the given serie */
function getSerieAverage($Serie)
{
if ( isset($this->Data["Series"][$Serie]) )
{
$SerieData = $this->stripVOID($this->Data["Series"][$Serie]["Data"]);
return(array_sum($SerieData)/sizeof($SerieData));
}
else
return(NULL);
}
/* Return the geometric mean of the given serie */
function getGeometricMean($Serie)
{
if ( isset($this->Data["Series"][$Serie]) )
{
$SerieData = $this->stripVOID($this->Data["Series"][$Serie]["Data"]);
$Seriesum = 1; foreach($SerieData as $Key => $Value) { $Seriesum = $Seriesum * $Value; }
return(pow($Seriesum,1/sizeof($SerieData)));
}
else
return(NULL);
}
/* Return the harmonic mean of the given serie */
function getHarmonicMean($Serie)
{
if ( isset($this->Data["Series"][$Serie]) )
{
$SerieData = $this->stripVOID($this->Data["Series"][$Serie]["Data"]);
$Seriesum = 0; foreach($SerieData as $Key => $Value) { $Seriesum = $Seriesum + 1/$Value; }
return(sizeof($SerieData)/$Seriesum);
}
else
return(NULL);
}
/* Return the standard deviation of the given serie */
function getStandardDeviation($Serie)
{
if ( isset($this->Data["Series"][$Serie]) )
{
$Average = $this->getSerieAverage($Serie);
$SerieData = $this->stripVOID($this->Data["Series"][$Serie]["Data"]);
$DeviationSum = 0;
foreach($SerieData as $Key => $Value)
$DeviationSum = $DeviationSum + ($Value-$Average)*($Value-$Average);
$Deviation = sqrt($DeviationSum/count($SerieData));
return($Deviation);
}
else
return(NULL);
}
/* Return the Coefficient of variation of the given serie */
function getCoefficientOfVariation($Serie)
{
if ( isset($this->Data["Series"][$Serie]) )
{
$Average = $this->getSerieAverage($Serie);
$StandardDeviation = $this->getStandardDeviation($Serie);
if ( $StandardDeviation != 0 )
return($StandardDeviation/$Average);
else
return(NULL);
}
else
return(NULL);
}
/* Return the median value of the given serie */
function getSerieMedian($Serie)
{
if ( isset($this->Data["Series"][$Serie]) )
{
$SerieData = $this->stripVOID($this->Data["Series"][$Serie]["Data"]);
sort($SerieData);
$SerieCenter = floor(sizeof($SerieData)/2);
if ( isset($SerieData[$SerieCenter]) )
return($SerieData[$SerieCenter]);
else
return(NULL);
}
else
return(NULL);
}
/* Return the x th percentil of the given serie */
function getSeriePercentile($Serie="Serie1",$Percentil=95)
{
if (!isset($this->Data["Series"][$Serie]["Data"])) { return(NULL); }
$Values = count($this->Data["Series"][$Serie]["Data"])-1;
if ( $Values < 0 ) { $Values = 0; }
$PercentilID = floor(($Values/100)*$Percentil+.5);
$SortedValues = $this->Data["Series"][$Serie]["Data"];
sort($SortedValues);
if ( is_numeric($SortedValues[$PercentilID]) )
return($SortedValues[$PercentilID]);
else
return(NULL);
}
/* Add random values to a given serie */
function addRandomValues($SerieName="Serie1",$Options="")
{
$Values = isset($Options["Values"]) ? $Options["Values"] : 20;
$Min = isset($Options["Min"]) ? $Options["Min"] : 0;
$Max = isset($Options["Max"]) ? $Options["Max"] : 100;
$withFloat = isset($Options["withFloat"]) ? $Options["withFloat"] : FALSE;
for ($i=0;$i<=$Values;$i++)
{
if ( $withFloat ) { $Value = rand($Min*100,$Max*100)/100; } else { $Value = rand($Min,$Max); }
$this->addPoints($Value,$SerieName);
}
}
/* Test if we have valid data */
function containsData()
{
if (!isset($this->Data["Series"])) { return(FALSE); }
$Result = FALSE;
foreach($this->Data["Series"] as $Key => $Value)
{ if ( $this->Data["Abscissa"] != $Key && $this->Data["Series"][$Key]["isDrawable"]==TRUE) { $Result=TRUE; } }
return($Result);
}
/* Set the display mode of an Axis */
function setAxisDisplay($AxisID,$Mode=AXIS_FORMAT_DEFAULT,$Format=NULL)
{
if ( isset($this->Data["Axis"][$AxisID] ) )
{
$this->Data["Axis"][$AxisID]["Display"] = $Mode;
if ( $Format != NULL ) { $this->Data["Axis"][$AxisID]["Format"] = $Format; }
}
}
/* Set the position of an Axis */
function setAxisPosition($AxisID,$Position=AXIS_POSITION_LEFT)
{ if ( isset($this->Data["Axis"][$AxisID] ) ) { $this->Data["Axis"][$AxisID]["Position"] = $Position; } }
/* Associate an unit to an axis */
function setAxisUnit($AxisID,$Unit)
{ if ( isset($this->Data["Axis"][$AxisID] ) ) { $this->Data["Axis"][$AxisID]["Unit"] = $Unit; } }
/* Associate a name to an axis */
function setAxisName($AxisID,$Name)
{ if ( isset($this->Data["Axis"][$AxisID] ) ) { $this->Data["Axis"][$AxisID]["Name"] = $Name; } }
/* Associate a color to an axis */
function setAxisColor($AxisID,$Format)
{
$R = isset($Format["R"]) ? $Format["R"] : 0;
$G = isset($Format["G"]) ? $Format["G"] : 0;
$B = isset($Format["B"]) ? $Format["B"] : 0;
$Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
if ( isset($this->Data["Axis"][$AxisID] ) )
{
$this->Data["Axis"][$AxisID]["Color"]["R"] = $R;
$this->Data["Axis"][$AxisID]["Color"]["G"] = $G;
$this->Data["Axis"][$AxisID]["Color"]["B"] = $B;
$this->Data["Axis"][$AxisID]["Color"]["Alpha"] = $Alpha;
}
}
/* Design an axis as X or Y member */
function setAxisXY($AxisID,$Identity=AXIS_Y)
{ if ( isset($this->Data["Axis"][$AxisID] ) ) { $this->Data["Axis"][$AxisID]["Identity"] = $Identity; } }
/* Associate one data serie with one axis */
function setSerieOnAxis($Series,$AxisID)
{
if ( !is_array($Series) ) { $Series = $this->convertToArray($Series); }
foreach($Series as $Key => $Serie)
{
$PreviousAxis = $this->Data["Series"][$Serie]["Axis"];
/* Create missing axis */
if ( !isset($this->Data["Axis"][$AxisID] ) )
{ $this->Data["Axis"][$AxisID]["Position"] = AXIS_POSITION_LEFT; $this->Data["Axis"][$AxisID]["Identity"] = AXIS_Y;}
$this->Data["Series"][$Serie]["Axis"] = $AxisID;
/* Cleanup unused axis */
$Found = FALSE;
foreach($this->Data["Series"] as $SerieName => $Values) { if ( $Values["Axis"] == $PreviousAxis ) { $Found = TRUE; } }
if (!$Found) { unset($this->Data["Axis"][$PreviousAxis]); }
}
}
/* Define if a serie should be draw with ticks */
function setSerieTicks($Series,$Width=0)
{
if ( !is_array($Series) ) { $Series = $this->convertToArray($Series); }
foreach($Series as $Key => $Serie) { if ( isset($this->Data["Series"][$Serie]) ) { $this->Data["Series"][$Serie]["Ticks"] = $Width; } }
}
/* Define if a serie should be draw with a special weight */
function setSerieWeight($Series,$Weight=0)
{
if ( !is_array($Series) ) { $Series = $this->convertToArray($Series); }
foreach($Series as $Key => $Serie) { if ( isset($this->Data["Series"][$Serie]) ) { $this->Data["Series"][$Serie]["Weight"] = $Weight; } }
}
/* Returns the palette of the given serie */
function getSeriePalette($Serie)
{
if ( !isset($this->Data["Series"][$Serie]) ) { return(NULL); }
$Result = "";
$Result["R"] = $this->Data["Series"][$Serie]["Color"]["R"];
$Result["G"] = $this->Data["Series"][$Serie]["Color"]["G"];
$Result["B"] = $this->Data["Series"][$Serie]["Color"]["B"];
$Result["Alpha"] = $this->Data["Series"][$Serie]["Color"]["Alpha"];
return($Result);
}
/* Set the color of one serie */
function setPalette($Series,$Format=NULL)
{
if ( !is_array($Series) ) { $Series = $this->convertToArray($Series); }
foreach($Series as $Key => $Serie)
{
$R = isset($Format["R"]) ? $Format["R"] : 0;
$G = isset($Format["G"]) ? $Format["G"] : 0;
$B = isset($Format["B"]) ? $Format["B"] : 0;
$Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
if ( isset($this->Data["Series"][$Serie]) )
{
$OldR = $this->Data["Series"][$Serie]["Color"]["R"]; $OldG = $this->Data["Series"][$Serie]["Color"]["G"]; $OldB = $this->Data["Series"][$Serie]["Color"]["B"];
$this->Data["Series"][$Serie]["Color"]["R"] = $R;
$this->Data["Series"][$Serie]["Color"]["G"] = $G;
$this->Data["Series"][$Serie]["Color"]["B"] = $B;
$this->Data["Series"][$Serie]["Color"]["Alpha"] = $Alpha;
/* Do reverse processing on the internal palette array */
foreach ($this->Palette as $Key => $Value)
{ if ($Value["R"] == $OldR && $Value["G"] == $OldG && $Value["B"] == $OldB) { $this->Palette[$Key]["R"] = $R; $this->Palette[$Key]["G"] = $G; $this->Palette[$Key]["B"] = $B; $this->Palette[$Key]["Alpha"] = $Alpha;} }
}
}
}
/* Load a palette file */
function loadPalette($FileName,$Overwrite=FALSE)
{
if ( !file_exists($FileName) ) { return(-1); }
if ( $Overwrite ) { $this->Palette = ""; }
$fileHandle = @fopen($FileName, "r");
if (!$fileHandle) { return(-1); }
while (!feof($fileHandle))
{
$buffer = fgets($fileHandle, 4096);
if ( preg_match("/,/",$buffer) )
{
list($R,$G,$B,$Alpha) = preg_split("/,/",$buffer);
if ( $this->Palette == "" ) { $ID = 0; } else { $ID = count($this->Palette); }
$this->Palette[$ID] = array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha);
}
}
fclose($fileHandle);
/* Apply changes to current series */
$ID = 0;
if ( isset($this->Data["Series"]))
{
foreach($this->Data["Series"] as $Key => $Value)
{
if ( !isset($this->Palette[$ID]) )
$this->Data["Series"][$Key]["Color"] = array("R"=>0,"G"=>0,"B"=>0,"Alpha"=>0);
else
$this->Data["Series"][$Key]["Color"] = $this->Palette[$ID];
$ID++;
}
}
}
/* Initialise a given scatter serie */
function initScatterSerie($ID)
{
if ( isset($this->Data["ScatterSeries"][$ID]) ) { return(0); }
$this->Data["ScatterSeries"][$ID]["Description"] = "Scatter ".$ID;
$this->Data["ScatterSeries"][$ID]["isDrawable"] = TRUE;
$this->Data["ScatterSeries"][$ID]["Picture"] = NULL;
$this->Data["ScatterSeries"][$ID]["Ticks"] = 0;
$this->Data["ScatterSeries"][$ID]["Weight"] = 0;
if ( isset($this->Palette[$ID]) )
$this->Data["ScatterSeries"][$ID]["Color"] = $this->Palette[$ID];
else
{
$this->Data["ScatterSeries"][$ID]["Color"]["R"] = rand(0,255);
$this->Data["ScatterSeries"][$ID]["Color"]["G"] = rand(0,255);
$this->Data["ScatterSeries"][$ID]["Color"]["B"] = rand(0,255);
$this->Data["ScatterSeries"][$ID]["Color"]["Alpha"] = 100;
}
}
/* Initialise a given serie */
function initialise($Serie)
{
if ( isset($this->Data["Series"]) ) { $ID = count($this->Data["Series"]); } else { $ID = 0; }
$this->Data["Series"][$Serie]["Description"] = $Serie;
$this->Data["Series"][$Serie]["isDrawable"] = TRUE;
$this->Data["Series"][$Serie]["Picture"] = NULL;
$this->Data["Series"][$Serie]["Max"] = NULL;
$this->Data["Series"][$Serie]["Min"] = NULL;
$this->Data["Series"][$Serie]["Axis"] = 0;
$this->Data["Series"][$Serie]["Ticks"] = 0;
$this->Data["Series"][$Serie]["Weight"] = 0;
$this->Data["Series"][$Serie]["Shape"] = SERIE_SHAPE_FILLEDCIRCLE;
if ( isset($this->Palette[$ID]) )
$this->Data["Series"][$Serie]["Color"] = $this->Palette[$ID];
else
{
$this->Data["Series"][$Serie]["Color"]["R"] = rand(0,255);
$this->Data["Series"][$Serie]["Color"]["G"] = rand(0,255);
$this->Data["Series"][$Serie]["Color"]["B"] = rand(0,255);
$this->Data["Series"][$Serie]["Color"]["Alpha"] = 100;
}
}
function normalize($NormalizationFactor=100,$UnitChange=NULL,$Round=1)
{
$Abscissa = $this->Data["Abscissa"];
$SelectedSeries = "";
$MaxVal = 0;
foreach($this->Data["Axis"] as $AxisID => $Axis)
{
if ( $UnitChange != NULL ) { $this->Data["Axis"][$AxisID]["Unit"] = $UnitChange; }
foreach($this->Data["Series"] as $SerieName => $Serie)
{
if ($Serie["Axis"] == $AxisID && $Serie["isDrawable"] == TRUE && $SerieName != $Abscissa)
{
$SelectedSeries[$SerieName] = $SerieName;
if ( count($Serie["Data"] ) > $MaxVal ) { $MaxVal = count($Serie["Data"]); }
}
}
}
for($i=0;$i<=$MaxVal-1;$i++)
{
$Factor = 0;
foreach ($SelectedSeries as $Key => $SerieName )
{
$Value = $this->Data["Series"][$SerieName]["Data"][$i];
if ( $Value != VOID )
$Factor = $Factor + abs($Value);
}
if ( $Factor != 0 )
{
$Factor = $NormalizationFactor / $Factor;
foreach ($SelectedSeries as $Key => $SerieName )
{
$Value = $this->Data["Series"][$SerieName]["Data"][$i];
if ( $Value != VOID && $Factor != $NormalizationFactor )
$this->Data["Series"][$SerieName]["Data"][$i] = round(abs($Value)*$Factor,$Round);
elseif ( $Value == VOID || $Value == 0 )
$this->Data["Series"][$SerieName]["Data"][$i] = VOID;
elseif ( $Factor == $NormalizationFactor )
$this->Data["Series"][$SerieName]["Data"][$i] = $NormalizationFactor;
}
}
}
foreach ($SelectedSeries as $Key => $SerieName )
{
$this->Data["Series"][$SerieName]["Max"] = max($this->stripVOID($this->Data["Series"][$SerieName]["Data"]));
$this->Data["Series"][$SerieName]["Min"] = min($this->stripVOID($this->Data["Series"][$SerieName]["Data"]));
}
}
/* Load data from a CSV (or similar) data source */
function importFromCSV($FileName,$Options="")
{
$Delimiter = isset($Options["Delimiter"]) ? $Options["Delimiter"] : ",";
$GotHeader = isset($Options["GotHeader"]) ? $Options["GotHeader"] : FALSE;
$SkipColumns = isset($Options["SkipColumns"]) ? $Options["SkipColumns"] : array(-1);
$DefaultSerieName = isset($Options["DefaultSerieName"]) ? $Options["DefaultSerieName"] : "Serie";
$Handle = @fopen($FileName,"r");
if ($Handle)
{
$HeaderParsed = FALSE; $SerieNames = "";
while (!feof($Handle))
{
$Buffer = fgets($Handle, 4096);
$Buffer = str_replace(chr(10),"",$Buffer);
$Buffer = str_replace(chr(13),"",$Buffer);
$Values = preg_split("/".$Delimiter."/",$Buffer);
if ( $Buffer != "" )
{
if ( $GotHeader && !$HeaderParsed )
{
foreach($Values as $Key => $Name) { if ( !in_array($Key,$SkipColumns) ) { $SerieNames[$Key] = $Name; } }
$HeaderParsed = TRUE;
}
else
{
if ($SerieNames == "" ) { foreach($Values as $Key => $Name) { if ( !in_array($Key,$SkipColumns) ) { $SerieNames[$Key] = $DefaultSerieName.$Key; } } }
foreach($Values as $Key => $Value) { if ( !in_array($Key,$SkipColumns) ) { $this->addPoints($Value,$SerieNames[$Key]); } }
}
}
}
fclose($Handle);
}
}
/* Create a dataset based on a formula */
function createFunctionSerie($SerieName,$Formula="",$Options="")
{
$MinX = isset($Options["MinX"]) ? $Options["MinX"] : -10;
$MaxX = isset($Options["MaxX"]) ? $Options["MaxX"] : 10;
$XStep = isset($Options["XStep"]) ? $Options["XStep"] : 1;
$AutoDescription = isset($Options["AutoDescription"]) ? $Options["AutoDescription"] : FALSE;
$RecordAbscissa = isset($Options["RecordAbscissa"]) ? $Options["RecordAbscissa"] : FALSE;
$AbscissaSerie = isset($Options["AbscissaSerie"]) ? $Options["AbscissaSerie"] : "Abscissa";
if ( $Formula == "" ) { return(0); }
$Result = ""; $Abscissa = "";
for($i=$MinX; $i<=$MaxX; $i=$i+$XStep)
{
$Expression = "\$return = '!'.(".str_replace("z",$i,$Formula).");";
if ( @eval($Expression) === FALSE ) { $return = VOID; }
if ( $return == "!" ) { $return = VOID; } else { $return = $this->right($return,strlen($return)-1); }
if ( $return == "NAN" ) { $return = VOID; }
if ( $return == "INF" ) { $return = VOID; }
if ( $return == "-INF" ) { $return = VOID; }
$Abscissa[] = $i;
$Result[] = $return;
}
$this->addPoints($Result,$SerieName);
if ( $AutoDescription ) { $this->setSerieDescription($SerieName,$Formula); }
if ( $RecordAbscissa ) { $this->addPoints($Abscissa,$AbscissaSerie); }
}
function negateValues($Series)
{
if ( !is_array($Series) ) { $Series = $this->convertToArray($Series); }
foreach($Series as $Key => $SerieName)
{
if (isset($this->Data["Series"][$SerieName]))
{
$Data = "";
foreach($this->Data["Series"][$SerieName]["Data"] as $Key => $Value)
{ if ( $Value == VOID ) { $Data[] = VOID; } else { $Data[] = -$Value; } }
$this->Data["Series"][$SerieName]["Data"] = $Data;
$this->Data["Series"][$SerieName]["Max"] = max($this->stripVOID($this->Data["Series"][$SerieName]["Data"]));
$this->Data["Series"][$SerieName]["Min"] = min($this->stripVOID($this->Data["Series"][$SerieName]["Data"]));
}
}
}
/* Return the data & configuration of the series */
function getData()
{ return($this->Data); }
/* Save a palette element */
function savePalette($ID,$Color)
{ $this->Palette[$ID] = $Color; }
/* Return the palette of the series */
function getPalette()
{ return($this->Palette); }
/* Called by the scaling algorithm to save the config */
function saveAxisConfig($Axis) { $this->Data["Axis"]=$Axis; }
/* Save the Y Margin if set */
function saveYMargin($Value) { $this->Data["YMargin"]=$Value; }
/* Save extended configuration to the pData object */
function saveExtendedData($Tag,$Values) { $this->Data["Extended"][$Tag]=$Values; }
/* Called by the scaling algorithm to save the orientation of the scale */
function saveOrientation($Orientation) { $this->Data["Orientation"]=$Orientation; }
/* Convert a string to a single elements array */
function convertToArray($Value)
{ $Values = ""; $Values[] = $Value; return($Values); }
/* Class string wrapper */
function __toString()
{ return("pData object."); }
function left($value,$NbChar) { return substr($value,0,$NbChar); }
function right($value,$NbChar) { return substr($value,strlen($value)-$NbChar,$NbChar); }
function mid($value,$Depart,$NbChar) { return substr($value,$Depart-1,$NbChar); }
}
?>

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<?php
/*
pDraw - pChart core class
Version : 2.1.3
Made by : Jean-Damien POGOLOTTI
Last Update : 09/09/11
This file can be distributed under the license you can find at :
http://www.pchart.net/license
You can find the whole class documentation on the pChart web site.
*/
/* The GD extension is mandatory */
if (!extension_loaded('gd') && !extension_loaded('gd2'))
{
echo "GD extension must be loaded. \r\n";
exit();
}
/* Image map handling */
define("IMAGE_MAP_STORAGE_FILE" , 680001);
define("IMAGE_MAP_STORAGE_SESSION" , 680002);
/* Last generated chart layout */
define("CHART_LAST_LAYOUT_REGULAR" , 680011);
define("CHART_LAST_LAYOUT_STACKED" , 680012);
/* ImageMap string delimiter */
define("IMAGE_MAP_DELIMITER" , chr(1));
class pImage extends pDraw
{
/* Image settings, size, quality, .. */
var $XSize = NULL; // Width of the picture
var $YSize = NULL; // Height of the picture
var $Picture = NULL; // GD picture object
var $Antialias = TRUE; // Turn antialias on or off
var $AntialiasQuality = 0; // Quality of the antialiasing implementation (0-1)
var $Mask = ""; // Already drawn pixels mask (Filled circle implementation)
var $TransparentBackground = FALSE; // Just to know if we need to flush the alpha channels when rendering
/* Graph area settings */
var $GraphAreaX1 = NULL; // Graph area X origin
var $GraphAreaY1 = NULL; // Graph area Y origin
var $GraphAreaX2 = NULL; // Graph area bottom right X position
var $GraphAreaY2 = NULL; // Graph area bottom right Y position
/* Scale settings */
var $ScaleMinDivHeight = 20; // Minimum height for scame divs
/* Font properties */
var $FontName = "fonts/GeosansLight.ttf"; // Default font file
var $FontSize = 12; // Default font size
var $FontBox = NULL; // Return the bounding box of the last written string
var $FontColorR = 0; // Default color settings
var $FontColorG = 0; // Default color settings
var $FontColorB = 0; // Default color settings
var $FontColorA = 100; // Default transparency
/* Shadow properties */
var $Shadow = FALSE; // Turn shadows on or off
var $ShadowX = NULL; // X Offset of the shadow
var $ShadowY = NULL; // Y Offset of the shadow
var $ShadowR = NULL; // R component of the shadow
var $ShadowG = NULL; // G component of the shadow
var $ShadowB = NULL; // B component of the shadow
var $Shadowa = NULL; // Alpha level of the shadow
/* Image map */
var $ImageMap = NULL; // Aray containing the image map
var $ImageMapIndex = "pChart"; // Name of the session array
var $ImageMapStorageMode = NULL; // Save the current imagemap storage mode
var $ImageMapAutoDelete = TRUE; // Automatic deletion of the image map temp files
/* Data Set */
var $DataSet = NULL; // Attached dataset
/* Last generated chart info */
var $LastChartLayout = CHART_LAST_LAYOUT_REGULAR; // Last layout : regular or stacked
/* Class constructor */
function pImage($XSize,$YSize,$DataSet=NULL,$TransparentBackground=FALSE)
{
$this->TransparentBackground = $TransparentBackground;
if ( $DataSet != NULL ) { $this->DataSet = $DataSet; }
$this->XSize = $XSize;
$this->YSize = $YSize;
$this->Picture = imagecreatetruecolor($XSize,$YSize);
if ( $this->TransparentBackground )
{
imagealphablending($this->Picture,FALSE);
imagefilledrectangle($this->Picture, 0,0,$XSize, $YSize, imagecolorallocatealpha($this->Picture, 255, 255, 255, 127));
imagealphablending($this->Picture,TRUE);
imagesavealpha($this->Picture,true);
}
else
{
$C_White = $this->AllocateColor($this->Picture,255,255,255);
imagefilledrectangle($this->Picture,0,0,$XSize,$YSize,$C_White);
}
}
/* Enable / Disable and set shadow properties */
function setShadow($Enabled=TRUE,$Format="")
{
$X = isset($Format["X"]) ? $Format["X"] : 2;
$Y = isset($Format["Y"]) ? $Format["Y"] : 2;
$R = isset($Format["R"]) ? $Format["R"] : 0;
$G = isset($Format["G"]) ? $Format["G"] : 0;
$B = isset($Format["B"]) ? $Format["B"] : 0;
$Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 10;
$this->Shadow = $Enabled;
$this->ShadowX = $X;
$this->ShadowY = $Y;
$this->ShadowR = $R;
$this->ShadowG = $G;
$this->ShadowB = $B;
$this->Shadowa = $Alpha;
}
/* Set the graph area position */
function setGraphArea($X1,$Y1,$X2,$Y2)
{
if ( $X2 < $X1 || $X1 == $X2 || $Y2 < $Y1 || $Y1 == $Y2 ) { return(-1); }
$this->GraphAreaX1 = $X1; $this->DataSet->Data["GraphArea"]["X1"] = $X1;
$this->GraphAreaY1 = $Y1; $this->DataSet->Data["GraphArea"]["Y1"] = $Y1;
$this->GraphAreaX2 = $X2; $this->DataSet->Data["GraphArea"]["X2"] = $X2;
$this->GraphAreaY2 = $Y2; $this->DataSet->Data["GraphArea"]["Y2"] = $Y2;
}
/* Return the width of the picture */
function getWidth()
{ return($this->XSize); }
/* Return the heigth of the picture */
function getHeight()
{ return($this->YSize); }
/* Render the picture to a file */
function render($FileName)
{
if ( $this->TransparentBackground ) { imagealphablending($this->Picture,false); imagesavealpha($this->Picture,true); }
imagepng($this->Picture,$FileName);
}
/* Render the picture to a web browser stream */
function stroke($BrowserExpire=FALSE)
{
if ( $this->TransparentBackground ) { imagealphablending($this->Picture,false); imagesavealpha($this->Picture,true); }
if ( $BrowserExpire )
{
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Cache-Control: no-cache");
header("Pragma: no-cache");
}
header('Content-type: image/png');
imagepng($this->Picture);
}
/* Automatic output method based on the calling interface */
function autoOutput($FileName="output.png")
{
if (php_sapi_name() == "cli")
$this->Render($FileName);
else
$this->Stroke();
}
/* Return the length between two points */
function getLength($X1,$Y1,$X2,$Y2)
{ return(sqrt(pow(max($X1,$X2)-min($X1,$X2),2)+pow(max($Y1,$Y2)-min($Y1,$Y2),2))); }
/* Return the orientation of a line */
function getAngle($X1,$Y1,$X2,$Y2)
{
$Opposite = $Y2 - $Y1; $Adjacent = $X2 - $X1;$Angle = rad2deg(atan2($Opposite,$Adjacent));
if ($Angle > 0) { return($Angle); } else { return(360-abs($Angle)); }
}
/* Return the surrounding box of text area */
function getTextBox_deprecated($X,$Y,$FontName,$FontSize,$Angle,$Text)
{
$Size = imagettfbbox($FontSize,$Angle,$FontName,$this->getEncodedText($Text));
$Width = $this->getLength($Size[0],$Size[1],$Size[2],$Size[3])+1;
$Height = $this->getLength($Size[2],$Size[3],$Size[4],$Size[5])+1;
$RealPos[0]["X"] = $X; $RealPos[0]["Y"] = $Y;
$RealPos[1]["X"] = cos((360-$Angle)*PI/180)*$Width + $RealPos[0]["X"]; $RealPos[1]["Y"] = sin((360-$Angle)*PI/180)*$Width + $RealPos[0]["Y"];
$RealPos[2]["X"] = cos((270-$Angle)*PI/180)*$Height + $RealPos[1]["X"]; $RealPos[2]["Y"] = sin((270-$Angle)*PI/180)*$Height + $RealPos[1]["Y"];
$RealPos[3]["X"] = cos((180-$Angle)*PI/180)*$Width + $RealPos[2]["X"]; $RealPos[3]["Y"] = sin((180-$Angle)*PI/180)*$Width + $RealPos[2]["Y"];
$RealPos[TEXT_ALIGN_BOTTOMLEFT]["X"] = $RealPos[0]["X"]; $RealPos[TEXT_ALIGN_BOTTOMLEFT]["Y"] = $RealPos[0]["Y"];
$RealPos[TEXT_ALIGN_BOTTOMRIGHT]["X"] = $RealPos[1]["X"]; $RealPos[TEXT_ALIGN_BOTTOMRIGHT]["Y"] = $RealPos[1]["Y"];
return($RealPos);
}
function getEncodedText($text)
{
$gdinfo = gd_info();
if (!empty($gdinfo['JIS-mapped Japanese Font Support'])) {
return mb_convert_encoding($text, "SJIS", "UTF-8");
}
return $text;
}
/* Return the surrounding box of text area */
function getTextBox($X,$Y,$FontName,$FontSize,$Angle,$Text)
{
$coords = imagettfbbox($FontSize, 0, $FontName, $this->getEncodedText($Text));
$a = deg2rad($Angle); $ca = cos($a); $sa = sin($a); $RealPos = array();
for($i = 0; $i < 7; $i += 2)
{
$RealPos[$i/2]["X"] = $X + round($coords[$i] * $ca + $coords[$i+1] * $sa);
$RealPos[$i/2]["Y"] = $Y + round($coords[$i+1] * $ca - $coords[$i] * $sa);
}
$RealPos[TEXT_ALIGN_BOTTOMLEFT]["X"] = $RealPos[0]["X"]; $RealPos[TEXT_ALIGN_BOTTOMLEFT]["Y"] = $RealPos[0]["Y"];
$RealPos[TEXT_ALIGN_BOTTOMRIGHT]["X"] = $RealPos[1]["X"]; $RealPos[TEXT_ALIGN_BOTTOMRIGHT]["Y"] = $RealPos[1]["Y"];
$RealPos[TEXT_ALIGN_TOPLEFT]["X"] = $RealPos[3]["X"]; $RealPos[TEXT_ALIGN_TOPLEFT]["Y"] = $RealPos[3]["Y"];
$RealPos[TEXT_ALIGN_TOPRIGHT]["X"] = $RealPos[2]["X"]; $RealPos[TEXT_ALIGN_TOPRIGHT]["Y"] = $RealPos[2]["Y"];
$RealPos[TEXT_ALIGN_BOTTOMMIDDLE]["X"] = ($RealPos[1]["X"]-$RealPos[0]["X"])/2+$RealPos[0]["X"]; $RealPos[TEXT_ALIGN_BOTTOMMIDDLE]["Y"] = ($RealPos[0]["Y"]-$RealPos[1]["Y"])/2+$RealPos[1]["Y"];
$RealPos[TEXT_ALIGN_TOPMIDDLE]["X"] = ($RealPos[2]["X"]-$RealPos[3]["X"])/2+$RealPos[3]["X"]; $RealPos[TEXT_ALIGN_TOPMIDDLE]["Y"] = ($RealPos[3]["Y"]-$RealPos[2]["Y"])/2+$RealPos[2]["Y"];
$RealPos[TEXT_ALIGN_MIDDLELEFT]["X"] = ($RealPos[0]["X"]-$RealPos[3]["X"])/2+$RealPos[3]["X"]; $RealPos[TEXT_ALIGN_MIDDLELEFT]["Y"] = ($RealPos[0]["Y"]-$RealPos[3]["Y"])/2+$RealPos[3]["Y"];
$RealPos[TEXT_ALIGN_MIDDLERIGHT]["X"] = ($RealPos[1]["X"]-$RealPos[2]["X"])/2+$RealPos[2]["X"]; $RealPos[TEXT_ALIGN_MIDDLERIGHT]["Y"] = ($RealPos[1]["Y"]-$RealPos[2]["Y"])/2+$RealPos[2]["Y"];
$RealPos[TEXT_ALIGN_MIDDLEMIDDLE]["X"] = ($RealPos[1]["X"]-$RealPos[3]["X"])/2+$RealPos[3]["X"]; $RealPos[TEXT_ALIGN_MIDDLEMIDDLE]["Y"] = ($RealPos[0]["Y"]-$RealPos[2]["Y"])/2+$RealPos[2]["Y"];
return($RealPos);
}
/* Set current font properties */
function setFontProperties($Format="")
{
$R = isset($Format["R"]) ? $Format["R"] : -1;
$G = isset($Format["G"]) ? $Format["G"] : -1;
$B = isset($Format["B"]) ? $Format["B"] : -1;
$Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
$FontName = isset($Format["FontName"]) ? $Format["FontName"] : NULL;
$FontSize = isset($Format["FontSize"]) ? $Format["FontSize"] : NULL;
if ( $R != -1) { $this->FontColorR = $R; }
if ( $G != -1) { $this->FontColorG = $G; }
if ( $B != -1) { $this->FontColorB = $B; }
if ( $Alpha != NULL) { $this->FontColorA = $Alpha; }
if ( $FontName != NULL )
$this->FontName = $FontName;
if ( $FontSize != NULL )
$this->FontSize = $FontSize;
}
/* Returns the 1st decimal values (used to correct AA bugs) */
function getFirstDecimal($Value)
{
$Values = preg_split("/\./",$Value);
if ( isset($Values[1]) ) { return(substr($Values[1],0,1)); } else { return(0); }
}
/* Attach a dataset to your pChart Object */
function setDataSet(&$DataSet)
{ $this->DataSet = $DataSet; }
/* Print attached dataset contents to STDOUT */
function printDataSet()
{ print_r($this->DataSet); }
/* Initialise the image map methods */
function initialiseImageMap($Name="pChart",$StorageMode=IMAGE_MAP_STORAGE_SESSION,$UniqueID="imageMap",$StorageFolder="tmp")
{
$this->ImageMapIndex = $Name;
$this->ImageMapStorageMode = $StorageMode;
if ($StorageMode == IMAGE_MAP_STORAGE_SESSION)
{
if(!isset($_SESSION)) { session_start(); }
$_SESSION[$this->ImageMapIndex] = NULL;
}
elseif($StorageMode == IMAGE_MAP_STORAGE_FILE)
{
$this->ImageMapFileName = $UniqueID;
$this->ImageMapStorageFolder = $StorageFolder;
if (file_exists($StorageFolder."/".$UniqueID.".map")) { unlink($StorageFolder."/".$UniqueID.".map"); }
}
}
/* Add a zone to the image map */
function addToImageMap($Type,$Plots,$Color=NULL,$Title=NULL,$Message=NULL,$HTMLEncode=FALSE)
{
if ( $this->ImageMapStorageMode == NULL ) { $this->initialiseImageMap(); }
/* Encode the characters in the imagemap in HTML standards */
$Title = str_replace("&#8364;","\u20AC",$Title);
$Title = htmlentities($Title,ENT_QUOTES,"ISO-8859-15");
if ( $HTMLEncode )
{
$Message = htmlentities($Message,ENT_QUOTES,"ISO-8859-15");
$Message = str_replace("&lt;","<",$Message);
$Message = str_replace("&gt;",">",$Message);
}
if ( $this->ImageMapStorageMode == IMAGE_MAP_STORAGE_SESSION )
{
if(!isset($_SESSION)) { $this->initialiseImageMap(); }
$_SESSION[$this->ImageMapIndex][] = array($Type,$Plots,$Color,$Title,$Message);
}
elseif($this->ImageMapStorageMode == IMAGE_MAP_STORAGE_FILE)
{
$Handle = fopen($this->ImageMapStorageFolder."/".$this->ImageMapFileName.".map", 'a');
fwrite($Handle, $Type.IMAGE_MAP_DELIMITER.$Plots.IMAGE_MAP_DELIMITER.$Color.IMAGE_MAP_DELIMITER.$Title.IMAGE_MAP_DELIMITER.$Message."\r\n");
fclose($Handle);
}
}
/* Remove VOID values from an imagemap custom values array */
function removeVOIDFromArray($SerieName, $Values)
{
if ( !isset($this->DataSet->Data["Series"][$SerieName]) ) { return(-1); }
$Result = "";
foreach($this->DataSet->Data["Series"][$SerieName]["Data"] as $Key => $Value)
{ if ( $Value != VOID && isset($Values[$Key]) ) { $Result[] = $Values[$Key]; } }
return($Result);
}
/* Replace the title of one image map serie */
function replaceImageMapTitle($OldTitle, $NewTitle)
{
if ( $this->ImageMapStorageMode == NULL ) { return(-1); }
if ( is_array($NewTitle) ) { $NewTitle = $this->removeVOIDFromArray($OldTitle, $NewTitle); }
if ( $this->ImageMapStorageMode == IMAGE_MAP_STORAGE_SESSION )
{
if(!isset($_SESSION)) { return(-1); }
if ( is_array($NewTitle) )
{ $ID = 0; foreach($_SESSION[$this->ImageMapIndex] as $Key => $Settings) { if ( $Settings[3] == $OldTitle && isset($NewTitle[$ID])) { $_SESSION[$this->ImageMapIndex][$Key][3] = $NewTitle[$ID]; $ID++; } } }
else
{ foreach($_SESSION[$this->ImageMapIndex] as $Key => $Settings) { if ( $Settings[3] == $OldTitle ) { $_SESSION[$this->ImageMapIndex][$Key][3] = $NewTitle; } } }
}
elseif( $this->ImageMapStorageMode == IMAGE_MAP_STORAGE_FILE )
{
$TempArray = "";
$Handle = @fopen($this->ImageMapStorageFolder."/".$this->ImageMapFileName.".map", "r");
if ($Handle)
{
while (($Buffer = fgets($Handle, 4096)) !== false)
{
$Fields = split(IMAGE_MAP_DELIMITER,str_replace(array(chr(10),chr(13)),"",$Buffer));
$TempArray[] = array($Fields[0],$Fields[1],$Fields[2],$Fields[3],$Fields[4]);
}
fclose($Handle);
if ( is_array($NewTitle) )
{ $ID = 0; foreach($TempArray as $Key => $Settings) { if ( $Settings[3] == $OldTitle && isset($NewTitle[$ID]) ) { $TempArray[$Key][3] = $NewTitle[$ID]; $ID++; } } }
else
{ foreach($TempArray as $Key => $Settings) { if ( $Settings[3] == $OldTitle ) { $TempArray[$Key][3] = $NewTitle; } } }
$Handle = fopen($this->ImageMapStorageFolder."/".$this->ImageMapFileName.".map", 'w');
foreach($TempArray as $Key => $Settings)
{ fwrite($Handle, $Settings[0].IMAGE_MAP_DELIMITER.$Settings[1].IMAGE_MAP_DELIMITER.$Settings[2].IMAGE_MAP_DELIMITER.$Settings[3].IMAGE_MAP_DELIMITER.$Settings[4]."\r\n"); }
fclose($Handle);
}
}
}
/* Replace the values of the image map contents */
function replaceImageMapValues($Title, $Values)
{
if ( $this->ImageMapStorageMode == NULL ) { return(-1); }
$Values = $this->removeVOIDFromArray($Title, $Values);
$ID = 0;
if ( $this->ImageMapStorageMode == IMAGE_MAP_STORAGE_SESSION )
{
if(!isset($_SESSION)) { return(-1); }
foreach($_SESSION[$this->ImageMapIndex] as $Key => $Settings) { if ( $Settings[3] == $Title ) { if ( isset($Values[$ID]) ) { $_SESSION[$this->ImageMapIndex][$Key][4] = $Values[$ID]; } $ID++; } }
}
elseif( $this->ImageMapStorageMode == IMAGE_MAP_STORAGE_FILE )
{
$TempArray = "";
$Handle = @fopen($this->ImageMapStorageFolder."/".$this->ImageMapFileName.".map", "r");
if ($Handle)
{
while (($Buffer = fgets($Handle, 4096)) !== false)
{
$Fields = split(IMAGE_MAP_DELIMITER,str_replace(array(chr(10),chr(13)),"",$Buffer));
$TempArray[] = array($Fields[0],$Fields[1],$Fields[2],$Fields[3],$Fields[4]);
}
fclose($Handle);
foreach($TempArray as $Key => $Settings) { if ( $Settings[3] == $Title ) { if ( isset($Values[$ID]) ) { $TempArray[$Key][4] = $Values[$ID]; } $ID++; } }
$Handle = fopen($this->ImageMapStorageFolder."/".$this->ImageMapFileName.".map", 'w');
foreach($TempArray as $Key => $Settings)
{ fwrite($Handle, $Settings[0].IMAGE_MAP_DELIMITER.$Settings[1].IMAGE_MAP_DELIMITER.$Settings[2].IMAGE_MAP_DELIMITER.$Settings[3].IMAGE_MAP_DELIMITER.$Settings[4]."\r\n"); }
fclose($Handle);
}
}
}
/* Dump the image map */
function dumpImageMap($Name="pChart",$StorageMode=IMAGE_MAP_STORAGE_SESSION,$UniqueID="imageMap",$StorageFolder="tmp")
{
$this->ImageMapIndex = $Name;
$this->ImageMapStorageMode = $StorageMode;
if ( $this->ImageMapStorageMode == IMAGE_MAP_STORAGE_SESSION )
{
if(!isset($_SESSION)) { session_start(); }
if ( $_SESSION[$Name] != NULL )
{
foreach($_SESSION[$Name] as $Key => $Params)
{ echo $Params[0].IMAGE_MAP_DELIMITER.$Params[1].IMAGE_MAP_DELIMITER.$Params[2].IMAGE_MAP_DELIMITER.$Params[3].IMAGE_MAP_DELIMITER.$Params[4]."\r\n"; }
}
}
elseif( $this->ImageMapStorageMode == IMAGE_MAP_STORAGE_FILE )
{
if (file_exists($StorageFolder."/".$UniqueID.".map"))
{
$Handle = @fopen($StorageFolder."/".$UniqueID.".map", "r");
if ($Handle) { while (($Buffer = fgets($Handle, 4096)) !== false) { echo $Buffer; } }
fclose($Handle);
if ( $this->ImageMapAutoDelete ) { unlink($StorageFolder."/".$UniqueID.".map"); }
}
}
/* When the image map is returned to the client, the script ends */
exit();
}
/* Return the HTML converted color from the RGB composite values */
function toHTMLColor($R,$G,$B)
{
$R=intval($R); $G=intval($G); $B=intval($B);
$R=dechex($R<0?0:($R>255?255:$R)); $G=dechex($G<0?0:($G>255?255:$G));$B=dechex($B<0?0:($B>255?255:$B));
$Color="#".(strlen($R) < 2?'0':'').$R; $Color.=(strlen($G) < 2?'0':'').$G; $Color.= (strlen($B) < 2?'0':'').$B;
return($Color);
}
/* Reverse an array of points */
function reversePlots($Plots)
{
$Result = "";
for($i=count($Plots)-2;$i>=0;$i=$i-2) { $Result[] = $Plots[$i]; $Result[] = $Plots[$i+1]; }
return($Result);
}
/* Mirror Effect */
function drawAreaMirror($X,$Y,$Width,$Height,$Format="")
{
$StartAlpha = isset($Format["StartAlpha"]) ? $Format["StartAlpha"] : 80;
$EndAlpha = isset($Format["EndAlpha"]) ? $Format["EndAlpha"] : 0;
$AlphaStep = ($StartAlpha-$EndAlpha)/$Height;
$Picture = imagecreatetruecolor($this->XSize,$this->YSize);
imagecopy($Picture,$this->Picture,0,0,0,0,$this->XSize,$this->YSize);
for($i=1;$i<=$Height;$i++)
{
if ( $Y+($i-1) < $this->YSize && $Y-$i > 0 ) { imagecopymerge($Picture,$this->Picture,$X,$Y+($i-1),$X,$Y-$i,$Width,1,$StartAlpha-$AlphaStep*$i); }
}
imagecopy($this->Picture,$Picture,0,0,0,0,$this->XSize,$this->YSize);
}
}
?>

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??????????????????????????????????????????????????????????????????????????????
? ?
? pChart - a PHP Charting library ?
? ?
? Version : 2.1.3 ?
? Made by : Jean-Damien POGOLOTTI ?
? Last Update : 09/09/2011 ?
? ?
??????????????????????????????????????????????????????????????????????????????
? WHAT CAN pCHART DO FOR YOU? ????????????????????????????????????????????????
pChart is a PHP framework that will help you to create anti-aliased charts or
pictures directly from your web server. You can then display the result in
the client browser, sent it by mail or insert it into PDFs.
This library has now reached an important point in its development cycle
going out of the beta step. pChart 2.0 is a completly rewritten library based
on what I've learned doing the first version.
? PACKAGE CONTENTS ???????????????????????????????????????????????????????????
?
?
?? /cache This folder is used by the pCache module.
?
?? /class This folder contains the library core classes.
? ?
? ?? pBarcode39.class Class to draw Code 39 barcodes.
? ?? pBarcode128.class Class to draw Code 128 barcodes.
? ?? pBubble.class Class to draw bubble charts.
? ?? pCache.class Class enable chart caching functionalities.
? ?? pData.class Class to manipulate chart data.
? ?? pDraw.class Extended drawing functions.
? ?? pIndicator.class Class to draw indicators.
? ?? pImage.class Core drawing functions.
? ?? pPie.class Class to draw pie charts.
? ?? pSplit.class Class to draw split path charts.
? ?? pSpring.class Class to draw spring charts.
? ?? pScatter.class Class to draw scatter charts.
? ?? pStock.class Class to draw stock charts.
? ?? pSurface.class Class to draw surface charts.
?
?? /data This folder contains extended data.
? ?
? ?? 39.db Code 39 barcodes static database.
? ?? 128.db Code 128 barcodes static database.
?
?? /examples This folder contains some PHP examples.
? ?
? ?? delayedLoader Delayed loader script example.
? ?? imageMap Image map script example.
? ?? sandbox Powerful dev. tool to design your charts.
?
?? /fonts This folder contains a bunch of TTF fonts.
?
?? /palettes Sample palettes files.
?
?? change.log History of all the changes since the 2.0
?? GPLv3.txt GPLv3 official text.
?? readme.txt This file.
? PREREQUiSiTES ??????????????????????????????????????????????????????????????
This library has been written to work with PHP 5+ versions. It will also work
with PHP 4 but the rendering quality maybe downgraded and the rendering speed
seriously impacted.
pChart require the GD and FreeType PHP extensions to be installed on your
web server. This is an important prerequiste that can't be overrided.
? RUNNiNG THE EXAMPLES ???????????????????????????????????????????????????????
pChart is shipped with examples (located in the /examples folder) that you
can either render from a web page using your http and pointing to this folder
or from the command line invoking the php interpreter.
On windows OS, assuming that your PHP binaries are correctly configured in
the PATH environment variable you can also execute the BuildAll.cmd batch
file.
? LiCENSE ????????????????????????????????????????????????????????????????????
The pChart library is released under two different licenses. If your
application is not a commercial one (eg: you make no money by redistributing
it) then the GNU GPLv3 license (General Public License) applies. This license
allows you to freely integrate this library in your applications, modify the
code and redistribute it in bundled packages as long as your application is
also distributed with the GPL license.
The GPLv3 license description can be found in GPLv3.txt.
If your application can't meet the GPL license or is a commercial one (eg:
the library is integrated in a software or an appliance you're selling) then
you'll have to buy a commercial license. With this license you don't need to
make publicly available your application code under the GPL license terms.
Commercial license price are depending of your needs.
Please consult the web page : http://www.pchart.net/license
? EXTERNAL COPYRiGHTS ????????????????????????????????????????????????????????
Famfamfam icons has been made by Mark James, Rounded corners lite has been
coded by Cameron Cooke and Tim Hutchison, Javascript Color Picker has been
written by Honza Odvarko.
The provided font files are licensed under their own terms :
?
?? dvent_light.ttf Copyright Andreas K. inde
?? Bedizen.ttf Copyright Tepid Monkey Fonts
?? calibri.ttf Copyright Microsoft
?? Forgotte.ttf Copyright Ray Larabie
?? GeosansLight.ttf Copyright Manfred Klein
?? MankSans.ttf Copyright Manfred Klein
?? pf_arma_five.ttf Copyright Yusuke Kamiyamane
?? Silkscreen.ttf Copyright Jason Aleksandr Kottke
?? verdana.ttf Copyright Microsoft
? SUPPORT ????????????????????????????????????????????????????????????????????
Since the beginning, pChart is a community driven project. You're missing
feature then ask! We'll try to get it implemented in the future version or
you'll be guided to create a class extension for your own needs.
pChart portal : http://www.pchart.net
Documentation wiki : http://wiki.pchart.net
Support forum : http://wiki.pchart.net/forum
---
(c)2011 Jean-Damien POGOLOTTI - 13k lines of codes