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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 | <?php //======================================================================= // File: JPGRAPH_ICONPLOT.PHP // Description: Extension module to add icons to plots // Created: 2004-02-18 // Ver: $Id: jpgraph_iconplot.php 1404 2009-06-28 15:25:41Z ljp $ // // Copyright (c) Aditus Consulting. All rights reserved. //======================================================================== //=================================================== // CLASS IconPlot // Description: Make it possible to add a (small) image // to the graph //=================================================== class IconPlot { public $iX=0,$iY=0,$iScale=1.0,$iMix=100; private $iHorAnchor='left',$iVertAnchor='top'; private $iFile=''; private $iAnchors = array('left','right','top','bottom','center'); private $iCountryFlag='',$iCountryStdSize=3; private $iScalePosY=null,$iScalePosX=null; private $iImgString=''; function __construct($aFile="",$aX=0,$aY=0,$aScale=1.0,$aMix=100) { $this->iFile = $aFile; $this->iX=$aX; $this->iY=$aY; $this->iScale= $aScale; if( $aMix < 0 || $aMix > 100 ) { JpGraphError::RaiseL(8001); //('Mix value for icon must be between 0 and 100.'); } $this->iMix = $aMix ; } function SetCountryFlag($aFlag,$aX=0,$aY=0,$aScale=1.0,$aMix=100,$aStdSize=3) { $this->iCountryFlag = $aFlag; $this->iX=$aX; $this->iY=$aY; $this->iScale= $aScale; if( $aMix < 0 || $aMix > 100 ) { JpGraphError::RaiseL(8001);//'Mix value for icon must be between 0 and 100.'); } $this->iMix = $aMix; $this->iCountryStdSize = $aStdSize; } function SetPos($aX,$aY) { $this->iX=$aX; $this->iY=$aY; } function CreateFromString($aStr) { $this->iImgString = $aStr; } function SetScalePos($aX,$aY) { $this->iScalePosX = $aX; $this->iScalePosY = $aY; } function SetScale($aScale) { $this->iScale = $aScale; } function SetMix($aMix) { if( $aMix < 0 || $aMix > 100 ) { JpGraphError::RaiseL(8001);//('Mix value for icon must be between 0 and 100.'); } $this->iMix = $aMix ; } function SetAnchor($aXAnchor='left',$aYAnchor='center') { if( !in_array($aXAnchor,$this->iAnchors) || !in_array($aYAnchor,$this->iAnchors) ) { JpGraphError::RaiseL(8002);//("Anchor position for icons must be one of 'top', 'bottom', 'left', 'right' or 'center'"); } $this->iHorAnchor=$aXAnchor; $this->iVertAnchor=$aYAnchor; } function PreStrokeAdjust($aGraph) { // Nothing to do ... } function DoLegend($aGraph) { // Nothing to do ... } function Max() { return array(false,false); } // The next four function are framework function tht gets called // from Gantt and is not menaiungfull in the context of Icons but // they must be implemented to avoid errors. function GetMaxDate() { return false; } function GetMinDate() { return false; } function GetLineNbr() { return 0; } function GetAbsHeight() {return 0; } function Min() { return array(false,false); } function StrokeMargin(&$aImg) { return true; } function Stroke($aImg,$axscale=null,$ayscale=null) { $this->StrokeWithScale($aImg,$axscale,$ayscale); } function StrokeWithScale($aImg,$axscale,$ayscale) { if( $this->iScalePosX === null || $this->iScalePosY === null || $axscale === null || $ayscale === null ) { $this->_Stroke($aImg); } else { $this->_Stroke($aImg, round($axscale->Translate($this->iScalePosX)), round($ayscale->Translate($this->iScalePosY))); } } function GetWidthHeight() { $dummy=0; return $this->_Stroke($dummy,null,null,true); } function _Stroke($aImg,$x=null,$y=null,$aReturnWidthHeight=false) { if( $this->iFile != '' && $this->iCountryFlag != '' ) { JpGraphError::RaiseL(8003);//('It is not possible to specify both an image file and a country flag for the same icon.'); } if( $this->iFile != '' ) { $gdimg = Graph::LoadBkgImage('',$this->iFile); } elseif( $this->iImgString != '') { $gdimg = Image::CreateFromString($this->iImgString); } else { if( ! class_exists('FlagImages',false) ) { JpGraphError::RaiseL(8004);//('In order to use Country flags as icons you must include the "jpgraph_flags.php" file.'); } $fobj = new FlagImages($this->iCountryStdSize); $dummy=''; $gdimg = $fobj->GetImgByName($this->iCountryFlag,$dummy); } $iconw = imagesx($gdimg); $iconh = imagesy($gdimg); if( $aReturnWidthHeight ) { return array(round($iconw*$this->iScale),round($iconh*$this->iScale)); } if( $x !== null && $y !== null ) { $this->iX = $x; $this->iY = $y; } if( $this->iX >= 0 && $this->iX <= 1.0 ) { $w = imagesx($aImg->img); $this->iX = round($w*$this->iX); } if( $this->iY >= 0 && $this->iY <= 1.0 ) { $h = imagesy($aImg->img); $this->iY = round($h*$this->iY); } if( $this->iHorAnchor == 'center' ) $this->iX -= round($iconw*$this->iScale/2); if( $this->iHorAnchor == 'right' ) $this->iX -= round($iconw*$this->iScale); if( $this->iVertAnchor == 'center' ) $this->iY -= round($iconh*$this->iScale/2); if( $this->iVertAnchor == 'bottom' ) $this->iY -= round($iconh*$this->iScale); $aImg->CopyMerge($gdimg,$this->iX,$this->iY,0,0, round($iconw*$this->iScale),round($iconh*$this->iScale), $iconw,$iconh, $this->iMix); } } ?> |