guess you already had the Idea of this class. It create a Dynamic Bar Chart of your Dynamic Report, This class can be used for Finance Report, Site Log Report, or any other application that need Bar Chart Auto Generation
By : hermawan
<?php
/***
Class Name : easyChart Class
Purpose : Create Simple Bar Chart for Statistic
Input : Retrieved Data from DB
Author : Hermawan Haryanto
Email : hermawan@codewalkers.com
Website : http://hermawan.com
Create Date: Sept 28 2001
Update Date: Nov 27 2002
***/
class easyChart {
var $title;
var $width;
var $height;
var $bartitle;
var $barheight;
var $barwidth;
var $background;
var $multiply;
var $spacebar;
var $leftspace;
var $rightspace;
var $upspace;
var $bottomspace;
var $leftlegend;
var $linecolor;
var $barcolor;
var $titlecolor;
var $legendcolor;
var $barinfocolor;
function easyChart () {
$this->title = "Chart Title";
$this->background = Array(153,204,102);
$this->linecolor = Array(240,240,240);
$this->barcolor = Array(255,255,153);
$this->titlecolor = Array(111,166,55);
$this->legendcolor = Array(0,0,0);
$this->barinfocolor = Array(0,0,0);
$this->width = 600;
$this->height = 500;
$this->barwidth = 20;
$this->leftspace = 75;
$this->rightspace = 25;
$this->upspace = 50;
$this->bottomspace = 50;
$this->leftlegend = 10;
$this->chartlegend = "UG93ZXJlZCBieTogSGVyb";
}
function setTitleColor ($color) {
$this->titlecolor = explode(",",$color);
}
function setLegendColor ($color) {
$this->legendcolor = explode(",",$color);
}
function setBarInfoColor ($color) {
$this->barinfocolor = explode(",",$color);
}
function setBarColor ($color) {
$this->barcolor = explode(",",$color);
}
function setLineColor ($color) {
$this->linecolor = explode(",",$color);
}
function setLeftLegend ($leftlegend) {
$this->leftlegend = $leftlegend;
}
function setLeftSpace ($leftspace) {
$this->leftspace = $leftspace;
}
function setRightSpace ($rightspace) {
$this->rightspace = $rightspace;
}
function setTitle ($title) {
$this->title = $title;
}
function setBackground ($color) {
$this->background = explode (",", $color);
}
function setWidth ($width) {
$this->width = $width;
}
function setHeight ($height) {
$this->height = $height;
}
function setBarWidth ($barwidth) {
$this->barwidth = $barwidth;
}
function addBar ($bartitle, $barheight) {
$this->bartitle[] = $bartitle;
$this->barheight[] = $barheight;
}
function prepare() {
$this->chartlegend .= "WF3YW4gSGFyeWFudG8gZWFzeUNoYXJ0LmNs";
$arr = $this->barheight;
sort ($arr);
reset ($arr);
$this->highestvalue = end($arr);
$this->valueincriement = $this->highestvalue / $this->leftlegend;
$this->multiply = ( ($this->height-($this->upspace + $this->bottomspace)) / $this->highestvalue);
$this->spacebar = ( ($this->width - ($this->leftspace + $this->rightspace)) - ($this->barwidth * count($arr) ) ) / (count($arr)+1);
$this->legendspace = ($this->height - ($this->upspace+$this->bottomspace)) / $this->leftlegend;
if ($this->barwidth * count($this->barheight) > ($this->width-($this->upspace+$this->bottomspace))) $err = "Bar width is to large";
if ($err!="") {
print $err;
exit;
}
}
function generateChart() {
$im = ImageCreate($this->width,$this->height);
$white = ImageColorAllocate($im,255,255,255);
$background = ImageColorAllocate($im,$this->background[0],$this->background[1],$this->background[2]);
$black = ImageColorAllocate($im,0,0,0);
$gray = ImageColorAllocate($im,100,100,100);
$linecolor = ImageColorAllocate($im,$this->linecolor[0],$this->linecolor[1],$this->linecolor[2]);
$barcolor = ImageColorAllocate($im,$this->barcolor[0],$this->barcolor[1],$this->barcolor[2]);
$titlecolor = ImageColorAllocate($im,$this->titlecolor[0],$this->titlecolor[1],$this->titlecolor[2]);
$legendcolor = ImageColorAllocate($im,$this->legendcolor[0],$this->legendcolor[1],$this->legendcolor[2]);
$barinfocolor = ImageColorAllocate($im,$this->barinfocolor[0],$this->barinfocolor[1],$this->barinfocolor[2]);
@ImageFilledRectangle($im,0,25,$this->width,$this->height-15,$background);
@ImageFilledRectangle($im,1,26,$this->width-2,$this->height-16,$white);
@ImageFilledRectangle($im,2,27,$this->width-3,$this->height-17,$background);
@ImageFilledRectangle($im,$this->leftspace,$this->upspace-10,$this->width-$this->rightspace,$this->height-($this->bottomspace-20),$white);
$titlewidth = strlen($this->title) * ImageFontWidth(5);
$titlexpos = ($this->width - $titlewidth)/2;
@ImageString ($im, 5, $titlexpos, 5, $this->title, $titlecolor);
@ImageString ($im, 1, 0, $this->height - 10, base64_decode($this->chartlegend."YXNzIC0gaHR0cDovL2hlcm1hd2FuLmRtb25zdGVyLmNvbSAtIEdQTA=="), $black);
for($i=0;$i<=$this->leftlegend;$i++){
$legendx = 5;
$legendy = $this->upspace + ($this->legendspace * $i) - 6;
@ImageString($im, 2, $legendx, $legendy, $this->highestvalue-($this->valueincriement*$i), $legendcolor);
@ImageLine ($im, $this->leftspace, $legendy+6, $this->width - $this->rightspace, $legendy+6, $linecolor);
}
for($i=0;$i<count($this->barheight);$i++){
$j=$i+1;
$x1 = ($j * $this->spacebar) + ($i * $this->barwidth) + $this->leftspace;
$y1 = $this->height - ($this->barheight[$i]*$this->multiply) - $this->upspace;
$x2 = $x1 + $this->barwidth;
$y2 = $this->height - $this->bottomspace;
$bartitlewidth = strlen($this->bartitle[$i]) * ImageFontWidth(2);
$centerofbar = $x1 + ($this->barwidth / 2);
$bartitlex = $centerofbar - ($bartitlewidth/2);
$bartitley = $y2 + 5;
@ImageFilledRectangle($im, $x1, $y1, $x2, $y2, $barcolor);
@ImageString($im, 2, $bartitlex, $bartitley, $this->bartitle[$i], $barinfocolor);
}
@ImageJPEG($im);
@ImageDestroy($im);
}
};
// HERE IS THE EXAMPLE TO USE THE CHART CLASS
$chart = new easyChart(); // Object initialized
$chart->setTitle("This is my Bar Chart Title"); // Title of Chart
$chart->setBackground("153,204,102"); // Background of chart [opt]
$chart->setLineColor("225,225,225"); // Line color separator [opt]
$chart->setBarColor("255,255,153"); // Bar color [opt]
$chart->setTitleColor("111,166,55"); // Color Title [opt]
$chart->setLegendColor("0,0,0"); // Legend Color [opt]
$chart->setBarInfoColor("0,0,0"); // Bar Info Color [opt]
$chart->setWidth(600); // Width of Chart
$chart->setHeight(500); // Height of Chart
$chart->setBarWidth(20); // Bar Width
$chart->setLeftSpace(75); // Left Space
$chart->setRightSpace(25); // Right Space
$chart->setLeftLegend(10); // Left Legend
$chart->addBar("Jan",12000000); // Sample content of chart
$chart->addBar("Peb",15000000);
$chart->addBar("Mar",10000000);
$chart->addBar("Apr",9000000);
$chart->addBar("Mei",18000000);
$chart->addBar("Jun",12000000);
$chart->addBar("Jul",160000);
$chart->addBar("Ags",14000000);
$chart->addBar("Sept",12000000);
$chart->addBar("Okt",17000000);
$chart->addBar("Nop",14000000);
$chart->addBar("Des",9000000);
$chart->prepare(); // Chart Preparation
$chart->generateChart(); // Chart Generation
?>
| DISCLAIMER: The content provided in this article is not warranted or guaranteed by Developer Shed, Inc. The content provided is intended for entertainment and/or educational purposes in order to introduce to the reader key ideas, concepts, and/or product reviews. As such it is incumbent upon the reader to employ real-world tactics for security and implementation of best practices. We are not liable for any negative consequences that may result from implementing any information covered in our articles or tutorials. If this is a hardware review, it is not recommended to open and/or modify your hardware. |
More Content Management Code Articles
More By Codewalkers
developerWorks - FREE Tools! |
The IBM DB2 Deep Compression ROI tool is designed for DBA’s and IT management personnel to perform a clinical analysis of the cost savings gained from the Storage Optimization feature of DB2 9 for Linux, UNIX and Windows. The feature, also known as Deep Compression, compresses data that lies within a database by up to 80% at times. FREE! Go There Now!
|
|
|
|
Effective governance for lean development isn’t about command and control. Instead, the focus is on enabling the right behaviors and practices through collaborative and supportive techniques. Hear from Scott Ambler on how it is far more effective to motivate people to do the right thing than it is to force them to do so. Learn how to form a lightweight, collaboration-based framework that reflects the realities of modern IT organizations. FREE! Go There Now!
|
|
|
|
Download a free trial version of IBM Rational Developer for System i V7.1, which provides a complete development environment for traditional i5/OS application development. IBM Rational Developer for System i is a new eclipse-based workstation offering for i5/OS application development that provides a comprehensive Integrated Development Environment for edit/compile/debug of traditional RPG/COBOL/C/C++ i5/OS applications. FREE! Go There Now!
|
|
|
|
Visit IBM developerWorks to download a free trial version of WebSphere Extended Deployment Compute Grid, which lets you schedule, execute, and monitor batch jobs. Because online transaction processing and batch jobs execute simultaneously on the same server resources, you can avoid costly duplication of resources. Compute Grid supports job types of Java transactional batch, compute-intensive and a new type called "native execution", which enables non-Java workloads to run on distributed end points. FREE! Go There Now!
|
|
|
|
This tutorial shows new users of IBM WebSphere Business Monitor Version 6.0.2 how to perform the "Hello World" equivalent for monitoring business process applications. It is intended to help you get familiar with the capabilities of the product. FREE! Go There Now!
|
|
|
|
As systems increase in complexity, communication between systems and software teams becomes more and more difficult. Now, there’s a way to improve product quality and communication.<br />Read the “Model Driven Systems Development” white paper to see how. Also included in this kit are more educational white papers, customer examples, tutorials, informative Webcasts, and best practices for designing, building and managing systems.<br /> FREE! Go There Now!
|
|
|
|
Get a free trial download of the latest version of IBM Rational Functional Tester V7.0.1. Rational Functional Tester is an automated functional and regression testing solution for QA teams concerned with the quality of their Java, Microsoft Visual Studio .NET, and Web-based applications. FREE! Go There Now!
|
|
|
|
Try the latest version of IBM Rational Manual Tester V7.0.1 by downloading a free trial from IBM developerWorks. This manual test authoring and execution tool promotes test step reuse to reduce the impact of software change on testers and business analysts and addresses the needs of teams performing at least a portion of their testing manually. FREE! Go There Now!
|
|
|
|
The Eclipse community is constantly working to extend Eclipse's functionality. In this webcast, learn about some of the most important and feature-rich projects under development. From multi-language support to plug-in development, tune in to see what Eclipse is capable of now. FREE! Go There Now!
|
|
|
|
Viper 2 brings a great value to developer communities including SQL, XML, PHP, Ruby, .NET and Java. You probably already know that DB2 Express-C is free for developers to develop, deploy and distribute. Viper 2 provides a variety of means that help move your application from the development stage to deployment more rapidly. This webcast shows how to best utilize the latest tools available for developing DB2 applications. FREE! Go There Now!
|
|
|
|
All FREE IBM® developerWorks Tools! |