buzzerstar - static - core - Visualization - SOURCE CODE

<?php
/**
 * Piwik - free/libre analytics platform
 *
 * @link http://piwik.org
 * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 *
 */

namespace Piwik\Visualization;

use Piwik\Common;
use Piwik\Piwik;
use Piwik\View\ViewInterface;
use Sparkline_Line;

/**
 * @see libs/sparkline/lib/Sparkline_Line.php
 * @link http://sparkline.org
 */
require_once PIWIK_INCLUDE_PATH . '/libs/sparkline/lib/Sparkline_Line.php';

/**
 * Renders a sparkline image given a PHP data array.
 * Using the Sparkline PHP Graphing Library sparkline.org
 */
class Sparkline implements ViewInterface
{
    const DEFAULT_WIDTH = 100;
    const DEFAULT_HEIGHT = 25;

    public static $enableSparklineImages = true;

    private static $colorNames = array('backgroundColor', 'lineColor', 'minPointColor', 'lastPointColor', 'maxPointColor');
    private $values = array();

    /**
     * Width of the sparkline
     * @var int
     */
    protected $_width = self::DEFAULT_WIDTH;

    /**
     * Height of sparkline
     * @var int
     */
    protected $_height = self::DEFAULT_HEIGHT;

    /**
     * Array with format: array( x, y, z, ... )

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