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<?php |
/*======================================================================= |
// File: JPGRAPH_PLOTLINE.PHP |
// Description: PlotLine extension for JpGraph |
// Created: 2009-03-24 |
// Ver: $Id: jpgraph_plotline.php 1881 2009-10-01 10:28:12Z ljp $ |
// |
// CLASS PlotLine |
// Data container class to hold properties for a static |
// line that is drawn directly in the plot area. |
// Useful to add static borders inside a plot to show for example set-values |
// |
// Copyright (c) Aditus Consulting. All rights reserved. |
//======================================================================== |
*/ |
|
class PlotLine { |
public $scaleposition, $direction=-1; |
protected $weight=1; |
protected $color = 'black'; |
private $legend='',$hidelegend=false, $legendcsimtarget='', $legendcsimalt='',$legendcsimwintarget=''; |
private $iLineStyle='solid'; |
public $numpoints=0; // Needed since the framework expects this property |
|
function __construct($aDir=HORIZONTAL,$aPos=0,$aColor='black',$aWeight=1) { |
$this->direction = $aDir; |
$this->color=$aColor; |
$this->weight=$aWeight; |
$this->scaleposition=$aPos; |
} |
|
function SetLegend($aLegend,$aCSIM='',$aCSIMAlt='',$aCSIMWinTarget='') { |
$this->legend = $aLegend; |
$this->legendcsimtarget = $aCSIM; |
$this->legendcsimwintarget = $aCSIMWinTarget; |
$this->legendcsimalt = $aCSIMAlt; |
} |
|
function HideLegend($f=true) { |
$this->hidelegend = $f; |
} |
|
function SetPosition($aScalePosition) { |
$this->scaleposition=$aScalePosition; |
} |
|
function SetDirection($aDir) { |
$this->direction = $aDir; |
} |
|
function SetColor($aColor) { |
$this->color=$aColor; |
} |
|
function SetWeight($aWeight) { |
$this->weight=$aWeight; |
} |
|
function SetLineStyle($aStyle) { |
$this->iLineStyle = $aStyle; |
} |
|
//--------------- |
// PRIVATE METHODS |
|
function DoLegend($graph) { |
if( !$this->hidelegend ) $this->Legend($graph); |
} |
|
// Framework function the chance for each plot class to set a legend |
function Legend($aGraph) { |
if( $this->legend != '' ) { |
$dummyPlotMark = new PlotMark(); |
$lineStyle = 1; |
$aGraph->legend->Add($this->legend,$this->color,$dummyPlotMark,$lineStyle, |
$this->legendcsimtarget,$this->legendcsimalt,$this->legendcsimwintarget); |
} |
} |
|
function PreStrokeAdjust($aGraph) { |
// Nothing to do |
} |
|
// Called by framework to allow the object to draw |
// optional information in the margin area |
function StrokeMargin($aImg) { |
// Nothing to do |
} |
|
// Framework function to allow the object to adjust the scale |
function PrescaleSetup($aGraph) { |
// Nothing to do |
} |
|
function Min() { |
return array(null,null); |
} |
|
function Max() { |
return array(null,null); |
} |
|
function _Stroke($aImg,$aMinX,$aMinY,$aMaxX,$aMaxY,$aXPos,$aYPos) { |
$aImg->SetColor($this->color); |
$aImg->SetLineWeight($this->weight); |
$oldStyle = $aImg->SetLineStyle($this->iLineStyle); |
if( $this->direction == VERTICAL ) { |
$ymin_abs = $aMinY; |
$ymax_abs = $aMaxY; |
$xpos_abs = $aXPos; |
$aImg->StyleLine($xpos_abs, $ymin_abs, $xpos_abs, $ymax_abs); |
} |
elseif( $this->direction == HORIZONTAL ) { |
$xmin_abs = $aMinX; |
$xmax_abs = $aMaxX; |
$ypos_abs = $aYPos; |
$aImg->StyleLine($xmin_abs, $ypos_abs, $xmax_abs, $ypos_abs); |
} |
else { |
JpGraphError::RaiseL(25125);//(" Illegal direction for static line"); |
} |
$aImg->SetLineStyle($oldStyle); |
} |
|
function Stroke($aImg,$aXScale,$aYScale) { |
$this->_Stroke($aImg, |
$aImg->left_margin, |
$aYScale->Translate($aYScale->GetMinVal()), |
$aImg->width-$aImg->right_margin, |
$aYScale->Translate($aYScale->GetMaxVal()), |
$aXScale->Translate($this->scaleposition), |
$aYScale->Translate($this->scaleposition) |
); |
} |
} |
|
|
?> |