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142 lines
4.1 KiB
142 lines
4.1 KiB
<?php |
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/*======================================================================= |
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// File: JPGRAPH_PLOTLINE.PHP |
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// Description: PlotLine extension for JpGraph |
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// Created: 2009-03-24 |
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// Ver: $Id: jpgraph_plotline.php 1931 2010-03-22 15:05:48Z ljp $ |
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// |
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// CLASS PlotLine |
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// Data container class to hold properties for a static |
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// line that is drawn directly in the plot area. |
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// Useful to add static borders inside a plot to show for example set-values |
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// |
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// Copyright (c) Asial Corporation. All rights reserved. |
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//======================================================================== |
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*/ |
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class PlotLine { |
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public $scaleposition, $direction=-1; |
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protected $weight=1; |
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protected $color = 'black'; |
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private $legend='',$hidelegend=false, $legendcsimtarget='', $legendcsimalt='',$legendcsimwintarget=''; |
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private $iLineStyle='solid'; |
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public $numpoints=0; // Needed since the framework expects this property |
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function __construct($aDir=HORIZONTAL,$aPos=0,$aColor='black',$aWeight=1) { |
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$this->direction = $aDir; |
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$this->color=$aColor; |
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$this->weight=$aWeight; |
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$this->scaleposition=$aPos; |
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} |
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function SetLegend($aLegend,$aCSIM='',$aCSIMAlt='',$aCSIMWinTarget='') { |
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$this->legend = $aLegend; |
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$this->legendcsimtarget = $aCSIM; |
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$this->legendcsimwintarget = $aCSIMWinTarget; |
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$this->legendcsimalt = $aCSIMAlt; |
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} |
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function HideLegend($f=true) { |
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$this->hidelegend = $f; |
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} |
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function SetPosition($aScalePosition) { |
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$this->scaleposition=$aScalePosition; |
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} |
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function SetDirection($aDir) { |
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$this->direction = $aDir; |
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} |
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function SetColor($aColor) { |
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$this->color=$aColor; |
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} |
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function SetWeight($aWeight) { |
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$this->weight=$aWeight; |
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} |
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function SetLineStyle($aStyle) { |
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$this->iLineStyle = $aStyle; |
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} |
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function GetCSIMAreas() { |
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return ''; |
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} |
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//--------------- |
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// PRIVATE METHODS |
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function DoLegend($graph) { |
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if( !$this->hidelegend ) $this->Legend($graph); |
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} |
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// Framework function the chance for each plot class to set a legend |
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function Legend($aGraph) { |
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if( $this->legend != '' ) { |
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$dummyPlotMark = new PlotMark(); |
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$lineStyle = 1; |
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$aGraph->legend->Add($this->legend,$this->color,$dummyPlotMark,$lineStyle, |
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$this->legendcsimtarget,$this->legendcsimalt,$this->legendcsimwintarget); |
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} |
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} |
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function PreStrokeAdjust($aGraph) { |
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// Nothing to do |
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} |
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// Called by framework to allow the object to draw |
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// optional information in the margin area |
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function StrokeMargin($aImg) { |
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// Nothing to do |
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} |
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// Framework function to allow the object to adjust the scale |
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function PrescaleSetup($aGraph) { |
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// Nothing to do |
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} |
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function Min() { |
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return array(null,null); |
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} |
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function Max() { |
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return array(null,null); |
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} |
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function _Stroke($aImg,$aMinX,$aMinY,$aMaxX,$aMaxY,$aXPos,$aYPos) { |
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$aImg->SetColor($this->color); |
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$aImg->SetLineWeight($this->weight); |
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$oldStyle = $aImg->SetLineStyle($this->iLineStyle); |
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if( $this->direction == VERTICAL ) { |
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$ymin_abs = $aMinY; |
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$ymax_abs = $aMaxY; |
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$xpos_abs = $aXPos; |
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$aImg->StyleLine($xpos_abs, $ymin_abs, $xpos_abs, $ymax_abs); |
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} |
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elseif( $this->direction == HORIZONTAL ) { |
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$xmin_abs = $aMinX; |
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$xmax_abs = $aMaxX; |
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$ypos_abs = $aYPos; |
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$aImg->StyleLine($xmin_abs, $ypos_abs, $xmax_abs, $ypos_abs); |
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} |
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else { |
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JpGraphError::RaiseL(25125);//(" Illegal direction for static line"); |
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} |
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$aImg->SetLineStyle($oldStyle); |
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} |
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function Stroke($aImg,$aXScale,$aYScale) { |
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$this->_Stroke($aImg, |
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$aImg->left_margin, |
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$aYScale->Translate($aYScale->GetMinVal()), |
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$aImg->width-$aImg->right_margin, |
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$aYScale->Translate($aYScale->GetMaxVal()), |
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$aXScale->Translate($this->scaleposition), |
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$aYScale->Translate($this->scaleposition) |
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); |
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} |
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} |
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?>
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