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Diffstat (limited to 'html/jpgraph/jpgraph_iconplot.php')
| -rw-r--r-- | html/jpgraph/jpgraph_iconplot.php | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/html/jpgraph/jpgraph_iconplot.php b/html/jpgraph/jpgraph_iconplot.php new file mode 100644 index 0000000..584f801 --- /dev/null +++ b/html/jpgraph/jpgraph_iconplot.php @@ -0,0 +1,190 @@ +<?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) Asial Corporation. 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); + } +} + +?> |