1 | <?php |
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2 | /*======================================================================= |
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3 | // File: JPGRAPH_PLOTLINE.PHP |
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4 | // Description: PlotLine extension for JpGraph |
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5 | // Created: 2009-03-24 |
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6 | // Ver: $Id: jpgraph_plotline.php 1931 2010-03-22 15:05:48Z ljp $ |
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7 | // |
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8 | // CLASS PlotLine |
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9 | // Data container class to hold properties for a static |
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10 | // line that is drawn directly in the plot area. |
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11 | // Useful to add static borders inside a plot to show for example set-values |
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12 | // |
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13 | // Copyright (c) Asial Corporation. All rights reserved. |
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14 | //======================================================================== |
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15 | */ |
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16 | |
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17 | class PlotLine { |
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18 | public $scaleposition, $direction=-1; |
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19 | protected $weight=1; |
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20 | protected $color = 'black'; |
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21 | private $legend='',$hidelegend=false, $legendcsimtarget='', $legendcsimalt='',$legendcsimwintarget=''; |
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22 | private $iLineStyle='solid'; |
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23 | public $numpoints=0; // Needed since the framework expects this property |
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24 | |
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25 | function __construct($aDir=HORIZONTAL,$aPos=0,$aColor='black',$aWeight=1) { |
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26 | $this->direction = $aDir; |
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27 | $this->color=$aColor; |
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28 | $this->weight=$aWeight; |
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29 | $this->scaleposition=$aPos; |
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30 | } |
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31 | |
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32 | function SetLegend($aLegend,$aCSIM='',$aCSIMAlt='',$aCSIMWinTarget='') { |
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33 | $this->legend = $aLegend; |
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34 | $this->legendcsimtarget = $aCSIM; |
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35 | $this->legendcsimwintarget = $aCSIMWinTarget; |
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36 | $this->legendcsimalt = $aCSIMAlt; |
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37 | } |
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38 | |
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39 | function HideLegend($f=true) { |
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40 | $this->hidelegend = $f; |
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41 | } |
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42 | |
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43 | function SetPosition($aScalePosition) { |
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44 | $this->scaleposition=$aScalePosition; |
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45 | } |
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46 | |
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47 | function SetDirection($aDir) { |
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48 | $this->direction = $aDir; |
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49 | } |
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50 | |
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51 | function SetColor($aColor) { |
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52 | $this->color=$aColor; |
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53 | } |
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54 | |
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55 | function SetWeight($aWeight) { |
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56 | $this->weight=$aWeight; |
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57 | } |
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58 | |
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59 | function SetLineStyle($aStyle) { |
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60 | $this->iLineStyle = $aStyle; |
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61 | } |
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62 | |
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63 | function GetCSIMAreas() { |
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64 | return ''; |
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65 | } |
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66 | |
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67 | //--------------- |
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68 | // PRIVATE METHODS |
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69 | |
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70 | function DoLegend($graph) { |
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71 | if( !$this->hidelegend ) $this->Legend($graph); |
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72 | } |
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73 | |
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74 | // Framework function the chance for each plot class to set a legend |
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75 | function Legend($aGraph) { |
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76 | if( $this->legend != '' ) { |
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77 | $dummyPlotMark = new PlotMark(); |
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78 | $lineStyle = 1; |
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79 | $aGraph->legend->Add($this->legend,$this->color,$dummyPlotMark,$lineStyle, |
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80 | $this->legendcsimtarget,$this->legendcsimalt,$this->legendcsimwintarget); |
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81 | } |
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82 | } |
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83 | |
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84 | function PreStrokeAdjust($aGraph) { |
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85 | // Nothing to do |
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86 | } |
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87 | |
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88 | // Called by framework to allow the object to draw |
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89 | // optional information in the margin area |
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90 | function StrokeMargin($aImg) { |
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91 | // Nothing to do |
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92 | } |
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93 | |
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94 | // Framework function to allow the object to adjust the scale |
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95 | function PrescaleSetup($aGraph) { |
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96 | // Nothing to do |
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97 | } |
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98 | |
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99 | function Min() { |
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100 | return array(null,null); |
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101 | } |
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102 | |
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103 | function Max() { |
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104 | return array(null,null); |
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105 | } |
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106 | |
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107 | function _Stroke($aImg,$aMinX,$aMinY,$aMaxX,$aMaxY,$aXPos,$aYPos) { |
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108 | $aImg->SetColor($this->color); |
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109 | $aImg->SetLineWeight($this->weight); |
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110 | $oldStyle = $aImg->SetLineStyle($this->iLineStyle); |
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111 | if( $this->direction == VERTICAL ) { |
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112 | $ymin_abs = $aMinY; |
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113 | $ymax_abs = $aMaxY; |
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114 | $xpos_abs = $aXPos; |
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115 | $aImg->StyleLine($xpos_abs, $ymin_abs, $xpos_abs, $ymax_abs); |
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116 | } |
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117 | elseif( $this->direction == HORIZONTAL ) { |
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118 | $xmin_abs = $aMinX; |
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119 | $xmax_abs = $aMaxX; |
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120 | $ypos_abs = $aYPos; |
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121 | $aImg->StyleLine($xmin_abs, $ypos_abs, $xmax_abs, $ypos_abs); |
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122 | } |
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123 | else { |
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124 | JpGraphError::RaiseL(25125);//(" Illegal direction for static line"); |
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125 | } |
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126 | $aImg->SetLineStyle($oldStyle); |
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127 | } |
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128 | |
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129 | function Stroke($aImg,$aXScale,$aYScale) { |
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130 | $this->_Stroke($aImg, |
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131 | $aImg->left_margin, |
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132 | $aYScale->Translate($aYScale->GetMinVal()), |
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133 | $aImg->width-$aImg->right_margin, |
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134 | $aYScale->Translate($aYScale->GetMaxVal()), |
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135 | $aXScale->Translate($this->scaleposition), |
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136 | $aYScale->Translate($this->scaleposition) |
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137 | ); |
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138 | } |
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139 | } |
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140 | |
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141 | |
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142 | ?> |
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