--- a/lib/pChart2.1.0/class/pBubble.class.php +++ b/lib/pChart2.1.0/class/pBubble.class.php @@ -1,1 +1,191 @@ - +<?php + /* + pBubble - class to draw bubble charts + + Version : 2.1.0 + Made by : Jean-Damien POGOLOTTI + Last Update : 26/01/11 + + 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. + */ + + /* pBubble class definition */ + class pBubble + { + var $pChartObject; + var $pDataObject; + + /* Class creator */ + function pBubble($pChartObject,$pDataObject) + { + $this->pChartObject = $pChartObject; + $this->pDataObject = $pDataObject; + } + + /* Prepare the scale */ + function bubbleScale($DataSeries,$WeightSeries) + { + if ( !is_array($DataSeries) ) { $DataSeries = array($DataSeries); } + if ( !is_array($WeightSeries) ) { $WeightSeries = array($WeightSeries); } + + /* Parse each data series to find the new min & max boundaries to scale */ + $NewPositiveSerie = ""; $NewNegativeSerie = ""; $MaxValues = 0; $LastPositive = 0; $LastNegative = 0; + foreach($DataSeries as $Key => $SerieName) + { + $SerieWeightName = $WeightSeries[$Key]; + + $this->pDataObject->setSerieDrawable($SerieWeightName,FALSE); + + if ( count($this->pDataObject->Data["Series"][$SerieName]["Data"]) > $MaxValues ) { $MaxValues = count($this->pDataObject->Data["Series"][$SerieName]["Data"]); } + + foreach($this->pDataObject->Data["Series"][$SerieName]["Data"] as $Key => $Value) + { + if ( $Value >= 0 ) + { + $BubbleBounds = $Value + $this->pDataObject->Data["Series"][$SerieWeightName]["Data"][$Key]; + + if ( !isset($NewPositiveSerie[$Key]) ) + { $NewPositiveSerie[$Key] = $BubbleBounds; } + elseif ( $NewPositiveSerie[$Key] < $BubbleBounds ) + { $NewPositiveSerie[$Key] = $BubbleBounds; } + + $LastPositive = $BubbleBounds; + } + else + { + $BubbleBounds = $Value - $this->pDataObject->Data["Series"][$SerieWeightName]["Data"][$Key]; + + if ( !isset($NewNegativeSerie[$Key]) ) + { $NewNegativeSerie[$Key] = $BubbleBounds; } + elseif ( $NewNegativeSerie[$Key] > $BubbleBounds ) + { $NewNegativeSerie[$Key] = $BubbleBounds; } + + $LastNegative = $BubbleBounds; + } + } + } + + /* Check for missing values and all the fake positive serie */ + if ( $NewPositiveSerie != "" ) + { + for ($i=0; $i<$MaxValues; $i++) { if (!isset($NewPositiveSerie[$i])) { $NewPositiveSerie[$i] = $LastPositive; } } + + $this->pDataObject->addPoints($NewPositiveSerie,"BubbleFakePositiveSerie"); + } + + /* Check for missing values and all the fake negative serie */ + if ( $NewNegativeSerie != "" ) + { + for ($i=0; $i<$MaxValues; $i++) { if (!isset($NewNegativeSerie[$i])) { $NewNegativeSerie[$i] = $LastNegative; } } + + $this->pDataObject->addPoints($NewNegativeSerie,"BubbleFakeNegativeSerie"); + } + } + + function resetSeriesColors() + { + $Data = $this->pDataObject->getData(); + $Palette = $this->pDataObject->getPalette(); + + $ID = 0; + foreach($Data["Series"] as $SerieName => $SeriesParameters) + { + if ( $SeriesParameters["isDrawable"] ) + { + $this->pDataObject->Data["Series"][$SerieName]["Color"]["R"] = $Palette[$ID]["R"]; + $this->pDataObject->Data["Series"][$SerieName]["Color"]["G"] = $Palette[$ID]["G"]; + $this->pDataObject->Data["Series"][$SerieName]["Color"]["B"] = $Palette[$ID]["B"]; + $this->pDataObject->Data["Series"][$SerieName]["Color"]["Alpha"] = $Palette[$ID]["Alpha"]; + $ID++; + } + } + } + + /* Prepare the scale */ + function drawBubbleChart($DataSeries,$WeightSeries,$Format="") + { + $DrawBorder = isset($Format["DrawBorder"]) ? $Format["DrawBorder"] : TRUE; + $DrawSquare = isset($Format["DrawSquare"]) ? $Format["DrawSquare"] : FALSE; + $Surrounding = isset($Format["Surrounding"]) ? $Format["Surrounding"] : NULL; + $BorderR = isset($Format["BorderR"]) ? $Format["BorderR"] : 0; + $BorderG = isset($Format["BorderG"]) ? $Format["BorderG"] : 0; + $BorderB = isset($Format["BorderB"]) ? $Format["BorderB"] : 0; + $BorderAlpha = isset($Format["BorderAlpha"]) ? $Format["BorderAlpha"] : 30; + + if ( !is_array($DataSeries) ) { $DataSeries = array($DataSeries); } + if ( !is_array($WeightSeries) ) { $WeightSeries = array($WeightSeries); } + + $Data = $this->pDataObject->getData(); + $Palette = $this->pDataObject->getPalette(); + + if ( isset($Data["Series"]["BubbleFakePositiveSerie"] ) ) { $this->pDataObject->setSerieDrawable("BubbleFakePositiveSerie",FALSE); } + if ( isset($Data["Series"]["BubbleFakeNegativeSerie"] ) ) { $this->pDataObject->setSerieDrawable("BubbleFakeNegativeSerie",FALSE); } + + $this->resetSeriesColors(); + + list($XMargin,$XDivs) = $this->pChartObject->scaleGetXSettings(); + + foreach($DataSeries as $Key => $SerieName) + { + $AxisID = $Data["Series"][$SerieName]["Axis"]; + $Mode = $Data["Axis"][$AxisID]["Display"]; + $Format = $Data["Axis"][$AxisID]["Format"]; + $Unit = $Data["Axis"][$AxisID]["Unit"]; + + $XStep = ($this->pChartObject->GraphAreaX2-$this->pChartObject->GraphAreaX1-$XMargin*2)/$XDivs; + + $X = $this->pChartObject->GraphAreaX1 + $XMargin; + $Y = $this->pChartObject->GraphAreaY1 + $XMargin; + + $Color = array("R"=>$Palette[$Key]["R"],"G"=>$Palette[$Key]["G"],"B"=>$Palette[$Key]["B"],"Alpha"=>$Palette[$Key]["Alpha"]); + + if ( $DrawBorder ) + { + $Color["BorderAlpha"] = $BorderAlpha; + + if ( $Surrounding != NULL ) + { $Color["BorderR"] = $Palette[$Key]["R"]+$Surrounding; $Color["BorderG"] = $Palette[$Key]["G"]+$Surrounding; $Color["BorderB"] = $Palette[$Key]["B"]+$Surrounding; } + else + { $Color["BorderR"] = $BorderR; $Color["BorderG"] = $BorderG; $Color["BorderB"] = $BorderB; } + } + + foreach($Data["Series"][$SerieName]["Data"] as $iKey => $Point) + { + $Weight = $Point + $Data["Series"][$WeightSeries[$Key]]["Data"][$iKey]; + + $PosArray = $this->pChartObject->scaleComputeY($Point,array("AxisID"=>$AxisID)); + $WeightArray = $this->pChartObject->scaleComputeY($Weight,array("AxisID"=>$AxisID)); + + if ( $Data["Orientation"] == SCALE_POS_LEFTRIGHT ) + { + if ( $XDivs == 0 ) { $XStep = 0; } else { $XStep = ($this->pChartObject->GraphAreaX2-$this->pChartObject->GraphAreaX1-$XMargin*2)/$XDivs; } + $Y = floor($PosArray); $CircleRadius = floor(abs($PosArray - $WeightArray)/2); + + if ( $DrawSquare ) + $this->pChartObject->drawFilledRectangle($X-$CircleRadius,$Y-$CircleRadius,$X+$CircleRadius,$Y+$CircleRadius,$Color); + else + $this->pChartObject->drawFilledCircle($X,$Y,$CircleRadius,$Color); + + $X = $X + $XStep; + } + elseif ( $Data["Orientation"] == SCALE_POS_TOPBOTTOM ) + { + if ( $XDivs == 0 ) { $XStep = 0; } else { $XStep = ($this->pChartObject->GraphAreaY2-$this->pChartObject->GraphAreaY1-$XMargin*2)/$XDivs; } + $X = floor($PosArray); $CircleRadius = floor(abs($PosArray - $WeightArray)/2); + + if ( $DrawSquare ) + $this->pChartObject->drawFilledRectangle($X-$CircleRadius,$Y-$CircleRadius,$X+$CircleRadius,$Y+$CircleRadius,$Color); + else + $this->pChartObject->drawFilledCircle($X,$Y,$CircleRadius,$Color); + + $Y = $Y + $XStep; + } + } + } + } + } +?>