?? jpgraph_canvas.php
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<?php/*=======================================================================// File: JPGRAPH_CANVAS.PHP// Description: Canvas drawing extension for JpGraph// Created: 2001-01-08// Author: Johan Persson (johanp@aditus.nu)// Ver: $Id: jpgraph_canvas.php,v 1.12.2.2 2004/12/11 14:41:11 aditus Exp $//// License: This code is released under QPL// Copyright (C) 2001,2002 Johan Persson//========================================================================*///===================================================// CLASS CanvasGraph// Description: Creates a simple canvas graph which// might be used together with the basic Image drawing// primitives. Useful to auickoly produce some arbitrary// graphic which benefits from all the functionality in the// graph liek caching for example. //===================================================class CanvasGraph extends Graph {//---------------// CONSTRUCTOR function CanvasGraph($aWidth=300,$aHeight=200,$aCachedName="",$timeout=0,$inline=1) { $this->Graph($aWidth,$aHeight,$aCachedName,$timeout,$inline); }//---------------// PUBLIC METHODS function InitFrame() { $this->StrokePlotArea(); } // Method description function Stroke($aStrokeFileName="") { if( $this->texts != null ) { for($i=0; $i<count($this->texts); ++$i) { $this->texts[$i]->Stroke($this->img); } } $this->StrokeTitles(); // Should we do any final image transformation if( $this->iImgTrans ) { if( !class_exists('ImgTrans') ) { require_once('jpgraph_imgtrans.php'); } $tform = new ImgTrans($this->img->img); $this->img->img = $tform->Skew3D($this->iImgTransHorizon,$this->iImgTransSkewDist, $this->iImgTransDirection,$this->iImgTransHighQ, $this->iImgTransMinSize,$this->iImgTransFillColor, $this->iImgTransBorder); } // If the filename is given as the special _IMG_HANDLER // then the image handler is returned and the image is NOT // streamed back if( $aStrokeFileName == _IMG_HANDLER ) { return $this->img->img; } else { // Finally stream the generated picture $this->cache->PutAndStream($this->img,$this->cache_name,$this->inline,$aStrokeFileName); return true; } }} // Class/* EOF */?>
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