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Created: Fri, Oct 3, 2:21 PM

Caption.php
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	<?php
	/* Libchart - PHP chart library
	* Copyright (C) 2005-2007 Jean-Marc Trémeaux (jm.tremeaux at gmail.com)
	*
	* This program is free software: you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation, either version 3 of the License, or
	* (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	*
	*/

	defined('FULL_PATH') or die('restricted access!');

	/**
	* Caption.
	*
	* @author Jean-Marc Trémeaux (jm.tremeaux at gmail.com)
	* Created on 30 july 2007
	*/
	class LibchartCaption {
	protected $labelBoxWidth;
	protected $labelBoxHeight;

	// Plot
	protected $plot;

	// Label list
	protected $labelList;

	// Color set
	protected $colorSet;

	/**
	* Constructor of Caption
	*/
	public function __construct() {
	$this->labelBoxWidth = 15;
	$this->labelBoxHeight = 15;
	}

	/**
	* Render the caption.
	*/
	public function render() {
	// Get graphical obects
	$img = $this->plot->getImg();
	$palette = $this->plot->getPalette();
	$text = $this->plot->getText();
	$primitive = $this->plot->getPrimitive();

	// Get the caption area
	$captionArea = $this->plot->getCaptionArea();

	// Get the pie color set
	$colorSet = $this->colorSet;
	$colorSet->reset();

	$i = 0;
	foreach ($this->labelList as $label) {
	// Get the next color
	$color = $colorSet->currentColor();
	$colorSet->next();

	$boxX1 = $captionArea->x1;
	$boxX2 = $boxX1 + $this->labelBoxWidth;
	$boxY1 = $captionArea->y1 + 5 + $i * ($this->labelBoxHeight + 5);
	$boxY2 = $boxY1 + $this->labelBoxHeight;

	$primitive->outlinedBox($boxX1, $boxY1, $boxX2, $boxY2, $palette->axisColor[0], $palette->axisColor[1]);
	imagefilledrectangle($img, $boxX1 + 2, $boxY1 + 2, $boxX2 - 2, $boxY2 - 2, $color->getColor($img));

	$text->printText($img, $boxX2 + 5, $boxY1 + $this->labelBoxHeight / 2, $this->plot->getTextColor(), $label, $text->fontCondensed, $text->VERTICAL_CENTER_ALIGN);

	$i++;
	}
	}

	/**
	* Sets the plot.
	*
	* @param Plot The plot
	*/
	public function setPlot($plot) {
	$this->plot = $plot;
	}

	/**
	* Sets the label list.
	*
	* @param Array label list
	*/
	public function setLabelList($labelList) {
	$this->labelList = $labelList;
	}


	/**
	* Sets the color set.
	*
	* @param Array Color set
	*/
	public function setColorSet($colorSet) {
	$this->colorSet = $colorSet;
	}
	}

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