| <?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; | |
| } | |
| } | |
| } | |
| } | |
| } | |
| ?> |