[42] | 1 | <?php |
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| 2 | //======================================================================= |
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| 3 | // File: JPGRAPH_ICONPLOT.PHP |
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| 4 | // Description: Extension module to add icons to plots |
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| 5 | // Created: 2004-02-18 |
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| 6 | // Ver: $Id: jpgraph_iconplot.php 1404 2009-06-28 15:25:41Z ljp $ |
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| 7 | // |
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| 8 | // Copyright (c) Asial Corporation. All rights reserved. |
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| 9 | //======================================================================== |
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| 10 | |
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| 11 | |
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| 12 | //=================================================== |
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| 13 | // CLASS IconPlot |
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| 14 | // Description: Make it possible to add a (small) image |
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| 15 | // to the graph |
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| 16 | //=================================================== |
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| 17 | class IconPlot { |
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| 18 | public $iX=0,$iY=0,$iScale=1.0,$iMix=100; |
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| 19 | private $iHorAnchor='left',$iVertAnchor='top'; |
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| 20 | private $iFile=''; |
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| 21 | private $iAnchors = array('left','right','top','bottom','center'); |
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| 22 | private $iCountryFlag='',$iCountryStdSize=3; |
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| 23 | private $iScalePosY=null,$iScalePosX=null; |
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| 24 | private $iImgString=''; |
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| 25 | |
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| 26 | |
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| 27 | function __construct($aFile="",$aX=0,$aY=0,$aScale=1.0,$aMix=100) { |
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| 28 | $this->iFile = $aFile; |
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| 29 | $this->iX=$aX; |
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| 30 | $this->iY=$aY; |
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| 31 | $this->iScale= $aScale; |
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| 32 | if( $aMix < 0 || $aMix > 100 ) { |
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| 33 | JpGraphError::RaiseL(8001); //('Mix value for icon must be between 0 and 100.'); |
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| 34 | } |
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| 35 | $this->iMix = $aMix ; |
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| 36 | } |
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| 37 | |
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| 38 | function SetCountryFlag($aFlag,$aX=0,$aY=0,$aScale=1.0,$aMix=100,$aStdSize=3) { |
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| 39 | $this->iCountryFlag = $aFlag; |
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| 40 | $this->iX=$aX; |
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| 41 | $this->iY=$aY; |
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| 42 | $this->iScale= $aScale; |
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| 43 | if( $aMix < 0 || $aMix > 100 ) { |
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| 44 | JpGraphError::RaiseL(8001);//'Mix value for icon must be between 0 and 100.'); |
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| 45 | } |
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| 46 | $this->iMix = $aMix; |
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| 47 | $this->iCountryStdSize = $aStdSize; |
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| 48 | } |
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| 49 | |
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| 50 | function SetPos($aX,$aY) { |
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| 51 | $this->iX=$aX; |
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| 52 | $this->iY=$aY; |
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| 53 | } |
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| 54 | |
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| 55 | function CreateFromString($aStr) { |
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| 56 | $this->iImgString = $aStr; |
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| 57 | } |
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| 58 | |
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| 59 | function SetScalePos($aX,$aY) { |
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| 60 | $this->iScalePosX = $aX; |
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| 61 | $this->iScalePosY = $aY; |
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| 62 | } |
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| 63 | |
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| 64 | function SetScale($aScale) { |
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| 65 | $this->iScale = $aScale; |
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| 66 | } |
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| 67 | |
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| 68 | function SetMix($aMix) { |
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| 69 | if( $aMix < 0 || $aMix > 100 ) { |
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| 70 | JpGraphError::RaiseL(8001);//('Mix value for icon must be between 0 and 100.'); |
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| 71 | } |
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| 72 | $this->iMix = $aMix ; |
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| 73 | } |
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| 74 | |
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| 75 | function SetAnchor($aXAnchor='left',$aYAnchor='center') { |
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| 76 | if( !in_array($aXAnchor,$this->iAnchors) || |
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| 77 | !in_array($aYAnchor,$this->iAnchors) ) { |
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| 78 | JpGraphError::RaiseL(8002);//("Anchor position for icons must be one of 'top', 'bottom', 'left', 'right' or 'center'"); |
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| 79 | } |
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| 80 | $this->iHorAnchor=$aXAnchor; |
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| 81 | $this->iVertAnchor=$aYAnchor; |
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| 82 | } |
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| 83 | |
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| 84 | function PreStrokeAdjust($aGraph) { |
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| 85 | // Nothing to do ... |
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| 86 | } |
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| 87 | |
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| 88 | function DoLegend($aGraph) { |
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| 89 | // Nothing to do ... |
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| 90 | } |
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| 91 | |
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| 92 | function Max() { |
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| 93 | return array(false,false); |
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| 94 | } |
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| 95 | |
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| 96 | |
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| 97 | // The next four function are framework function tht gets called |
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| 98 | // from Gantt and is not menaiungfull in the context of Icons but |
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| 99 | // they must be implemented to avoid errors. |
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| 100 | function GetMaxDate() { return false; } |
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| 101 | function GetMinDate() { return false; } |
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| 102 | function GetLineNbr() { return 0; } |
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| 103 | function GetAbsHeight() {return 0; } |
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| 104 | |
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| 105 | |
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| 106 | function Min() { |
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| 107 | return array(false,false); |
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| 108 | } |
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| 109 | |
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| 110 | function StrokeMargin(&$aImg) { |
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| 111 | return true; |
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| 112 | } |
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| 113 | |
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| 114 | function Stroke($aImg,$axscale=null,$ayscale=null) { |
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| 115 | $this->StrokeWithScale($aImg,$axscale,$ayscale); |
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| 116 | } |
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| 117 | |
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| 118 | function StrokeWithScale($aImg,$axscale,$ayscale) { |
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| 119 | if( $this->iScalePosX === null || $this->iScalePosY === null || |
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| 120 | $axscale === null || $ayscale === null ) { |
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| 121 | $this->_Stroke($aImg); |
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| 122 | } |
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| 123 | else { |
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| 124 | $this->_Stroke($aImg, |
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| 125 | round($axscale->Translate($this->iScalePosX)), |
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| 126 | round($ayscale->Translate($this->iScalePosY))); |
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| 127 | } |
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| 128 | } |
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| 129 | |
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| 130 | function GetWidthHeight() { |
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| 131 | $dummy=0; |
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| 132 | return $this->_Stroke($dummy,null,null,true); |
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| 133 | } |
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| 134 | |
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| 135 | function _Stroke($aImg,$x=null,$y=null,$aReturnWidthHeight=false) { |
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| 136 | if( $this->iFile != '' && $this->iCountryFlag != '' ) { |
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| 137 | JpGraphError::RaiseL(8003);//('It is not possible to specify both an image file and a country flag for the same icon.'); |
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| 138 | } |
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| 139 | if( $this->iFile != '' ) { |
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| 140 | $gdimg = Graph::LoadBkgImage('',$this->iFile); |
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| 141 | } |
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| 142 | elseif( $this->iImgString != '') { |
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| 143 | $gdimg = Image::CreateFromString($this->iImgString); |
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| 144 | } |
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| 145 | |
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| 146 | else { |
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| 147 | if( ! class_exists('FlagImages',false) ) { |
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| 148 | JpGraphError::RaiseL(8004);//('In order to use Country flags as icons you must include the "jpgraph_flags.php" file.'); |
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| 149 | } |
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| 150 | $fobj = new FlagImages($this->iCountryStdSize); |
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| 151 | $dummy=''; |
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| 152 | $gdimg = $fobj->GetImgByName($this->iCountryFlag,$dummy); |
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| 153 | } |
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| 154 | |
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| 155 | $iconw = imagesx($gdimg); |
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| 156 | $iconh = imagesy($gdimg); |
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| 157 | |
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| 158 | if( $aReturnWidthHeight ) { |
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| 159 | return array(round($iconw*$this->iScale),round($iconh*$this->iScale)); |
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| 160 | } |
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| 161 | |
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| 162 | if( $x !== null && $y !== null ) { |
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| 163 | $this->iX = $x; $this->iY = $y; |
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| 164 | } |
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| 165 | if( $this->iX >= 0 && $this->iX <= 1.0 ) { |
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| 166 | $w = imagesx($aImg->img); |
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| 167 | $this->iX = round($w*$this->iX); |
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| 168 | } |
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| 169 | if( $this->iY >= 0 && $this->iY <= 1.0 ) { |
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| 170 | $h = imagesy($aImg->img); |
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| 171 | $this->iY = round($h*$this->iY); |
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| 172 | } |
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| 173 | |
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| 174 | if( $this->iHorAnchor == 'center' ) |
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| 175 | $this->iX -= round($iconw*$this->iScale/2); |
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| 176 | if( $this->iHorAnchor == 'right' ) |
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| 177 | $this->iX -= round($iconw*$this->iScale); |
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| 178 | if( $this->iVertAnchor == 'center' ) |
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| 179 | $this->iY -= round($iconh*$this->iScale/2); |
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| 180 | if( $this->iVertAnchor == 'bottom' ) |
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| 181 | $this->iY -= round($iconh*$this->iScale); |
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| 182 | |
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| 183 | $aImg->CopyMerge($gdimg,$this->iX,$this->iY,0,0, |
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| 184 | round($iconw*$this->iScale),round($iconh*$this->iScale), |
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| 185 | $iconw,$iconh, |
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| 186 | $this->iMix); |
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| 187 | } |
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| 188 | } |
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| 189 | |
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| 190 | ?> |
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