| <?php | |
| /* | |
| pSplit - class to draw spline splitted 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. | |
| */ | |
| define("TEXT_POS_TOP" , 690001); | |
| define("TEXT_POS_RIGHT" , 690002); | |
| /* pSplit class definition */ | |
| class pSplit | |
| { | |
| var $pChartObject; | |
| /* Class creator */ | |
| function pSplit() | |
| { } | |
| /* Create the encoded string */ | |
| function drawSplitPath($Object,$Values,$Format="") | |
| { | |
| $this->pChartObject = $Object; | |
| $Spacing = isset($Format["Spacing"]) ? $Format["Spacing"] : 20; | |
| $TextPadding = isset($Format["TextPadding"]) ? $Format["TextPadding"] : 2; | |
| $TextPos = isset($Format["TextPos"]) ? $Format["TextPos"] : TEXT_POS_TOP; | |
| $Surrounding = isset($Format["Surrounding"]) ? $Format["Surrounding"] : NULL; | |
| $Force = isset($Format["Force"]) ? $Format["Force"] : 70; | |
| $Segments = isset($Format["Segments"]) ? $Format["Segments"] : 15; | |
| $FontSize = $Object->FontSize; | |
| $X1 = $Object->GraphAreaX1; | |
| $Y1 = $Object->GraphAreaY1; | |
| $X2 = $Object->GraphAreaX2; | |
| $Y2 = $Object->GraphAreaY2; | |
| /* Data Processing */ | |
| $Data = $Values->getData(); | |
| $Palette = $Values->getPalette(); | |
| $LabelSerie = $Data["Abscissa"]; | |
| $DataSerie = ""; | |
| foreach($Data["Series"] as $SerieName => $Value) | |
| { if ( $SerieName != $LabelSerie && $DataSerie == "" ) { $DataSerie = $SerieName; } } | |
| $DataSerieSum = array_sum($Data["Series"][$DataSerie]["Data"]); | |
| $DataSerieCount = count($Data["Series"][$DataSerie]["Data"]); | |
| /* Scale Processing */ | |
| if ( $TextPos == TEXT_POS_RIGHT ) | |
| $YScale = (($Y2-$Y1) - (($DataSerieCount+1)*$Spacing)) / $DataSerieSum; | |
| else | |
| $YScale = (($Y2-$Y1) - ($DataSerieCount*$Spacing)) / $DataSerieSum; | |
| $LeftHeight = $DataSerieSum * $YScale; | |
| /* Re-compute graph width depending of the text mode choosen */ | |
| if ( $TextPos == TEXT_POS_RIGHT ) | |
| { | |
| $MaxWidth = 0; | |
| foreach($Data["Series"][$LabelSerie]["Data"] as $Key => $Label) | |
| { | |
| $Boundardies = $Object->getTextBox(0,0,$Object->FontName,$Object->FontSize,0,$Label); | |
| if ( $Boundardies[1]["X"] > $MaxWidth ) { $MaxWidth = $Boundardies[1]["X"] + $TextPadding*2; } | |
| } | |
| $X2 = $X2 - $MaxWidth; | |
| } | |
| /* Drawing */ | |
| $LeftY = ((($Y2-$Y1) / 2) + $Y1) - ($LeftHeight/2); | |
| $RightY = $Y1; | |
| $VectorX = (($X2-$X1) / 2); | |
| foreach($Data["Series"][$DataSerie]["Data"] as $Key => $Value) | |
| { | |
| if ( isset($Data["Series"][$LabelSerie]["Data"][$Key]) ) | |
| $Label = $Data["Series"][$LabelSerie]["Data"][$Key]; | |
| else | |
| $Label = "-"; | |
| $LeftY1 = $LeftY; | |
| $LeftY2 = $LeftY + $Value * $YScale; | |
| $RightY1 = $RightY + $Spacing; | |
| $RightY2 = $RightY + $Spacing + $Value * $YScale;; | |
| $Settings = array("R"=>$Palette[$Key]["R"],"G"=>$Palette[$Key]["G"],"B"=>$Palette[$Key]["B"],"Alpha"=>$Palette[$Key]["Alpha"],"NoDraw"=>TRUE,"Segments"=>$Segments,"Surrounding"=>$Surrounding); | |
| $PolyGon = ""; | |
| $Angle = $Object->getAngle($X2,$RightY1,$X1,$LeftY1); | |
| $VectorX1 = cos(deg2rad($Angle+90)) * $Force + ($X2-$X1)/2 + $X1; | |
| $VectorY1 = sin(deg2rad($Angle+90)) * $Force + ($RightY1-$LeftY1)/2 + $LeftY1; | |
| $VectorX2 = cos(deg2rad($Angle-90)) * $Force + ($X2-$X1)/2 + $X1; | |
| $VectorY2 = sin(deg2rad($Angle-90)) * $Force + ($RightY1-$LeftY1)/2 + $LeftY1; | |
| $Points = $Object->drawBezier($X1,$LeftY1,$X2,$RightY1,$VectorX1,$VectorY1,$VectorX2,$VectorY2,$Settings); | |
| foreach($Points as $Key => $Pos) { $PolyGon[] = $Pos["X"]; $PolyGon[] = $Pos["Y"]; } | |
| $Angle = $Object->getAngle($X2,$RightY2,$X1,$LeftY2); | |
| $VectorX1 = cos(deg2rad($Angle+90)) * $Force + ($X2-$X1)/2 +$X1; | |
| $VectorY1 = sin(deg2rad($Angle+90)) * $Force + ($RightY2-$LeftY2)/2 + $LeftY2; | |
| $VectorX2 = cos(deg2rad($Angle-90)) * $Force + ($X2-$X1)/2 +$X1; | |
| $VectorY2 = sin(deg2rad($Angle-90)) * $Force + ($RightY2-$LeftY2)/2 + $LeftY2; | |
| $Points = $Object->drawBezier($X1,$LeftY2,$X2,$RightY2,$VectorX1,$VectorY1,$VectorX2,$VectorY2,$Settings); | |
| $Points = array_reverse($Points); | |
| foreach($Points as $Key => $Pos) { $PolyGon[] = $Pos["X"]; $PolyGon[] = $Pos["Y"]; } | |
| $Object->drawPolygon($PolyGon,$Settings); | |
| if ( $TextPos == TEXT_POS_RIGHT ) | |
| $Object->drawText($X2+$TextPadding,($RightY2-$RightY1)/2+$RightY1,$Label,array("Align"=>TEXT_ALIGN_MIDDLELEFT)); | |
| else | |
| $Object->drawText($X2,$RightY1-$TextPadding,$Label,array("Align"=>TEXT_ALIGN_BOTTOMRIGHT)); | |
| $LeftY = $LeftY2; | |
| $RightY = $RightY2; | |
| } | |
| } | |
| } | |
| ?> |