estou com um scrip para exibir gráficos em php, queria saber qualç a biblioteca ou o q tenho q ativar para ser mostrado.
um dos scripts
<?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 1.10 2002/08/25 04:37:44 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); } } // Stream the generated picture $this->cache->PutAndStream($this->img,$this->cache_name,$this->inline,$aStrokeFileName); } } // Class /* EOF */ ?>