buzzerstar - static - libs - sparkline - SOURCE CODE

<?php
/*
 * Sparkline PHP Graphing Library
 * Copyright 2004 James Byers <jbyers@gmail.com>
 * http://sparkline.org
 *
 * Dual-licensed under the BSD (LICENSE-BSD.txt) and GPL (LICENSE-GPL.txt)
 * licenses.
 *
 * $Id: Object.php,v 1.9 2008/03/11 19:12:49 jbyers Exp $
 *
 */

define('DEBUG_NONE',     0); // nothing
define('DEBUG_ERROR',    1); // major errors
define('DEBUG_WARNING',  2); // warnings
define('DEBUG_STATS',    4); // dataset, rendering statistics
define('DEBUG_CALLS',    8); // major function calls
define('DEBUG_SET',     16); // all Set methods
define('DEBUG_DRAW',    32); // all Draw methods
define('DEBUG_ALL',   2047); // everything

function error_handler($errno, $errstr, $errfile, $errline) {
  switch ($errno) {
  case E_ERROR:
    $message = "ERROR:    ";
    break;
  case E_WARNING:
    $message = "WARNING:  ";
    break;
  case E_PARSE:
    $message = "PARSE:    ";
    break;
  case E_NOTICE:
    $message = "NOTICE:   ";		
    break;
  case E_USER_ERROR:
    $message = "UERROR:   ";
    break;
  case E_USER_WARNING:
    $message = "UWARNING: ";
    break;
  case E_USER_NOTICE:
    $message = "UNOTICE:  ";		
    break;
  default:
    $message = "UNKNOWN:  ";
    break;
  } // switch
  

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<?php
/*
 * Sparkline PHP Graphing Library
 * Copyright 2004 James Byers <jbyers@gmail.com>
 * http://sparkline.org
 *
 * Dual-licensed under the BSD (LICENSE-BSD.txt) and GPL (LICENSE-GPL.txt)
 * licenses.
 *
 * $Id: Sparkline.php,v 1.10 2008/03/11 19:12:49 jbyers Exp $
 *
 */

define('TEXT_TOP',    1);
define('TEXT_RIGHT',  2);
define('TEXT_BOTTOM', 3);
define('TEXT_LEFT',   4);

define('FONT_1', 1);
define('FONT_2', 2);
define('FONT_3', 3);
define('FONT_4', 4);
define('FONT_5', 5);

require_once dirname(__FILE__).'/Object.php';

class Sparkline extends Object {

  var $imageX;
  var $imageY;
  var $imageHandle;
  var $graphAreaPx;
  var $graphAreaPt;
  var $colorList;
  var $colorBackground;
  var $lineSize;

  ////////////////////////////////////////////////////////////////////////////
  // constructor
  //
  function __construct($catch_errors = true) {
    parent::__construct($catch_errors);

    $this->colorList       = array();
    $this->colorBackground = 'white';
    $this->lineSize        = 1;
    $this->graphAreaPx = array(array(0, 0), array(0, 0)); // px(L, B), px(R, T)
  }

  ////////////////////////////////////////////////////////////////////////////

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<?php
/*
 * Sparkline PHP Graphing Library
 * Copyright 2004 James Byers <jbyers@gmail.com>
 * http://sparkline.org
 *
 * Dual-licensed under the BSD (LICENSE-BSD.txt) and GPL (LICENSE-GPL.txt)
 * licenses.
 *
 * $Id: Sparkline_Bar.php,v 1.3 2008/03/11 19:12:49 jbyers Exp $
 *
 */

require_once dirname(__FILE__).'/Sparkline.php';

class Sparkline_Bar extends Sparkline {

  var $dataSeries;
  var $dataSeriesStats;
  var $dataSeriesConverted;
  var $yMin;
  var $yMax;
  var $barWidth;
  var $barSpacing;
  var $barColorDefault;
  var $barColorUnderscoreDefault;

  ////////////////////////////////////////////////////////////////////////////
  // constructor
  //
  function __construct($catch_errors = true) {
    parent::__construct($catch_errors);

    $this->dataSeries                = array();
    $this->dataSeriesStats           = array();
    $this->dataSeriesConverted       = array();
    $this->barWidth                  = 1;
    $this->barSpacing                = 1;
    $this->barColorDefault           = 'black';
    $this->barColorUnderscoreDefault = 'black';
  } // function Sparkline

  ////////////////////////////////////////////////////////////////////////////
  // color, image property setting
  //
  function SetBarWidth($value) {
    $this->Debug("Sparkline_Bar :: SetBarWidth($value)", DEBUG_SET);
    $this->barWidth = $value;
  } // function SetBarWidth


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<?php
/*
 * Sparkline PHP Graphing Library
 * Copyright 2004 James Byers <jbyers@gmail.com>
 * http://sparkline.org
 *
 * Dual-licensed under the BSD (LICENSE-BSD.txt) and GPL (LICENSE-GPL.txt)
 * licenses.
 *
 * $Id: Sparkline_Line.php,v 1.10 2008/03/11 19:12:49 jbyers Exp $
 *
 */

require_once dirname(__FILE__).'/Sparkline.php';

class Sparkline_Line extends Sparkline {

  var $dataSeries;
  var $dataSeriesStats;
  var $dataSeriesConverted;
  var $yMin;
  var $yMax;
  var $featurePoint;

  ////////////////////////////////////////////////////////////////////////////
  // constructor
  //
  function __construct($catch_errors = true) {
    parent::__construct($catch_errors);

    $this->dataSeries          = array();
    $this->dataSeriesStats     = array();
    $this->dataSeriesConverted = array();
    $this->colorBackground     = 'backgroundColor';
    $this->featurePoint        = array();
  } // function Sparkline

  ////////////////////////////////////////////////////////////////////////////
  // data setting
  //
  function SetData($x, $y, $series = 1) {
	if(!is_numeric($x)) {
	    $x = trim($x);
	}
	if(!is_numeric($y)) {
	    $y = trim($y);
	}

    $this->Debug("Sparkline_Line :: SetData($x, $y, $series)", DEBUG_SET);


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