1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 | <?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; } } } ?> |