source: trunk/client/modules/Elezioni/grafici-old/jpgraph_canvas.php@ 2

Last change on this file since 2 was 2, checked in by root, 15 years ago

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[2]1<?php
2/*=======================================================================
3// File: JPGRAPH_CANVAS.PHP
4// Description: Canvas drawing extension for JpGraph
5// Created: 2001-01-08
6// Author: Johan Persson (johanp@aditus.nu)
7// Ver: $Id: jpgraph_canvas.php,v 1.12 2003/01/09 12:56:56 aditus Exp $
8//
9// License: This code is released under QPL
10// Copyright (C) 2001,2002 Johan Persson
11//========================================================================
12*/
13
14//===================================================
15// CLASS CanvasGraph
16// Description: Creates a simple canvas graph which
17// might be used together with the basic Image drawing
18// primitives. Useful to auickoly produce some arbitrary
19// graphic which benefits from all the functionality in the
20// graph liek caching for example.
21//===================================================
22class CanvasGraph extends Graph {
23//---------------
24// CONSTRUCTOR
25 function CanvasGraph($aWidth=300,$aHeight=200,$aCachedName="",$timeout=0,$inline=1) {
26 $this->Graph($aWidth,$aHeight,$aCachedName,$timeout,$inline);
27 }
28
29//---------------
30// PUBLIC METHODS
31
32 function InitFrame() {
33 $this->StrokePlotArea();
34 }
35
36 // Method description
37 function Stroke($aStrokeFileName="") {
38 if( $this->texts != null ) {
39 for($i=0; $i<count($this->texts); ++$i) {
40 $this->texts[$i]->Stroke($this->img);
41 }
42 }
43 $this->StrokeTitles();
44
45 // If the filename is given as the special _IMG_HANDLER
46 // then the image handler is returned and the image is NOT
47 // streamed back
48 if( $aStrokeFileName == _IMG_HANDLER ) {
49 return $this->img->img;
50 }
51 else {
52 // Finally stream the generated picture
53 $this->cache->PutAndStream($this->img,$this->cache_name,$this->inline,
54 $aStrokeFileName);
55 }
56 }
57} // Class
58/* EOF */
59?>
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