web/public_php/admin/jpgraph/jpgraph_iconplot.php

   1 <?php
   2 //=======================================================================
   3 // File:        JPGRAPH_ICONPLOT.PHP
   4 // Description: PHP4 Graph Plotting library. Extension module.
   5 // Created:     2004-02-18
   6 // Author:      Johan Persson (johanp@aditus.nu)
   7 // Ver:         $Id: jpgraph_iconplot.php,v 1.1 2006/07/07 13:37:14 powles Exp $
   8 //
   9 // Copyright (c) Aditus Consulting. All rights reserved.
  10 //========================================================================
  11
  12
  13 //===================================================
  14 // CLASS IconPlot
  15 // Description: Make it possible to add a (small) image
  16 // to the graph
  17 //===================================================
  18 class IconPlot {
  19     var $iHorAnchor='left',$iVertAnchor='top';
  20     var $iX=0,$iY=0;
  21     var $iFile='';
  22     var $iScale=1.0,$iMix=100;
  23     var $iAnchors = array('left','right','top','bottom','center');
  24     var $iCountryFlag='',$iCountryStdSize=3;
  25     var $iScalePosY=null,$iScalePosX=null;
  26     var $iImgString='';
  27
  28     function IconPlot($aFile="",$aX=0,$aY=0,$aScale=1.0,$aMix=100) {
  29         $this->iFile = $aFile;
  30         $this->iX=$aX;
  31         $this->iY=$aY;
  32         $this->iScale= $aScale;
  33         if( $aMix < 0 || $aMix > 100 ) {
  34             JpGraphError::RaiseL(8001); //('Mix value for icon must be between 0 and 100.');
  35         }
  36         $this->iMix = $aMix ;
  37     }
  38
  39     function CreateFromString($aStr) {
  40         $this->iImgString = $aStr;
  41     }
  42
  43     function SetCountryFlag($aFlag,$aX=0,$aY=0,$aScale=1.0,$aMix=100,$aStdSize=3) {
  44         $this->iCountryFlag = $aFlag;
  45         $this->iX=$aX;
  46         $this->iY=$aY;
  47         $this->iScale= $aScale;
  48         if( $aMix < 0 || $aMix > 100 ) {
  49             JpGraphError::RaiseL(8001);//'Mix value for icon must be between 0 and 100.');
  50         }
  51         $this->iMix = $aMix;
  52         $this->iCountryStdSize = $aStdSize;
  53     }
  54
  55     function SetPos($aX,$aY) {
  56         $this->iX=$aX;
  57         $this->iY=$aY;
  58     }
  59
  60     function SetScalePos($aX,$aY) {
  61         $this->iScalePosX = $aX;
  62         $this->iScalePosY = $aY;
  63     }
  64
  65     function SetScale($aScale) {
  66         $this->iScale = $aScale;
  67     }
  68
  69     function SetMix($aMix) {
  70         if( $aMix < 0 || $aMix > 100 ) {
  71             JpGraphError::RaiseL(8001);//('Mix value for icon must be between 0 and 100.');
  72         }
  73         $this->iMix = $aMix ;
  74     }
  75
  76     function SetAnchor($aXAnchor='left',$aYAnchor='center') {
  77         if( !in_array($aXAnchor,$this->iAnchors) ||
  78             !in_array($aYAnchor,$this->iAnchors) ) {
  79             JpGraphError::RaiseL(8002);//("Anchor position for icons must be one of 'top', 'bottom', 'left', 'right' or 'center'");
  80         }
  81         $this->iHorAnchor=$aXAnchor;
  82         $this->iVertAnchor=$aYAnchor;
  83     }
  84
  85     function PreStrokeAdjust($aGraph) {
  86         // Nothing to do ...
  87     }
  88
  89     function DoLegend($aGraph) {
  90         // Nothing to do ...
  91     }
  92
  93     function Max() {
  94         return array(false,false);
  95     }
  96
  97
  98     // The next four function are framework function tht gets called
  99     // from Gantt and is not menaiungfull in the context of Icons but
 100     // they must be implemented to avoid errors.
 101     function GetMaxDate() { return false;   }
 102     function GetMinDate() { return false;   }
 103     function GetLineNbr() { return 0;   }
 104     function GetAbsHeight() {return 0;  }
 105
 106
 107     function Min() {
 108         return array(false,false);
 109     }
 110
 111     function StrokeMargin(&$aImg) {
 112         return true;
 113     }
 114
 115     function Stroke(&$aImg,$axscale,$ayscale) {
 116         $this->StrokeWithScale($aImg,$axscale,$ayscale);
 117     }
 118
 119     function StrokeWithScale(&$aImg,$axscale,$ayscale) {
 120         if( $this->iScalePosX === null ||
 121             $this->iScalePosY === null ) {
 122             $this->_Stroke($aImg);
 123         }
 124         else {
 125             $this->_Stroke($aImg,
 126                           round($axscale->Translate($this->iScalePosX)),
 127                           round($ayscale->Translate($this->iScalePosY)));
 128         }
 129     }
 130
 131     function GetWidthHeight() {
 132         $dummy=0;
 133         return $this->_Stroke($dummy,null,null,true);
 134     }
 135
 136     function _Stroke(&$aImg,$x=null,$y=null,$aReturnWidthHeight=false) {
 137         if( $this->iFile != '' && $this->iCountryFlag != '' ) {
 138             JpGraphError::RaiseL(8003);//('It is not possible to specify both an image file and a country flag for the same icon.');
 139         }
 140         if( $this->iFile != '' ) {
 141             $gdimg = Graph::LoadBkgImage('',$this->iFile);
 142         }
 143         elseif( $this->iImgString != '') {
 144             $gdimg = Image::CreateFromString($this->iImgString);
 145         }
 146         else {
 147             if( ! class_exists('FlagImages') ) {
 148                 JpGraphError::RaiseL(8004);//('In order to use Country flags as icons you must include the "jpgraph_flags.php" file.');
 149             }
 150             $fobj = new FlagImages($this->iCountryStdSize);
 151             $dummy='';
 152             $gdimg = $fobj->GetImgByName($this->iCountryFlag,$dummy);
 153         }
 154
 155         $iconw = imagesx($gdimg);
 156         $iconh = imagesy($gdimg);
 157
 158         if( $aReturnWidthHeight ) {
 159             return array(round($iconw*$this->iScale),round($iconh*$this->iScale));
 160         }
 161
 162         if( $x !== null && $y !== null ) {
 163             $this->iX = $x; $this->iY = $y;
 164         }
 165         if( $this->iX >= 0  && $this->iX <= 1.0 ) {
 166             $w = imagesx($aImg->img);
 167             $this->iX = round($w*$this->iX);
 168         }
 169         if( $this->iY >= 0  && $this->iY <= 1.0 ) {
 170             $h = imagesy($aImg->img);
 171             $this->iY = round($h*$this->iY);
 172         }
 173
 174         if( $this->iHorAnchor == 'center' )
 175             $this->iX -= round($iconw*$this->iScale/2);
 176         if( $this->iHorAnchor == 'right' )
 177             $this->iX -= round($iconw*$this->iScale);
 178         if( $this->iVertAnchor == 'center' )
 179             $this->iY -= round($iconh*$this->iScale/2);
 180         if( $this->iVertAnchor == 'bottom' )
 181             $this->iY -= round($iconh*$this->iScale);
 182
 183         $aImg->CopyMerge($gdimg,$this->iX,$this->iY,0,0,
 184                          round($iconw*$this->iScale),round($iconh*$this->iScale),
 185                          $iconw,$iconh,
 186                          $this->iMix);
 187     }
 188 }
 189
 190 ?>