inclusion of dir 1.5.1 for boca

1 files changed, 386 insertions, 0 deletions

diff --git a/boca-1.5.1/src/libchart/classes/PieChart.php b/boca-1.5.1/src/libchart/classes/PieChart.php
new file mode 100644
index 0000000..dacbf2b
--- /dev/null
+++ b/boca-1.5.1/src/libchart/classes/PieChart.php
@@ -0,0 +1,386 @@
+<?php
+	/** Libchart - PHP chart library
+	*	
+	* Copyright (C) 2005-2006 Jean-Marc Trémeaux (jm.tremeaux at gmail.com)
+	* 	
+	* This library is free software; you can redistribute it and/or
+	* modify it under the terms of the GNU Lesser General Public
+	* License as published by the Free Software Foundation; either
+	* version 2.1 of the License, or (at your option) any later version.
+	* 
+	* This library 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
+	* Lesser General Public License for more details.
+	* 
+	* You should have received a copy of the GNU Lesser General Public
+	* License along with this library; if not, write to the Free Software
+	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+	* 
+	*/
+	
+	/**
+	* Pie chart
+	*
+	* @author   Jean-Marc Trémeaux (jm.tremeaux at gmail.com)
+	*/
+
+	class PieChart extends Chart
+	{
+		/**
+		* Creates a new pie chart
+		*
+		* @access	public
+    		* @param	integer		width of the image
+    		* @param	integer		height of the image
+		*/
+		
+		function PieChart($width = 600, $height = 250)
+		{
+			parent::Chart($width, $height);
+
+			$this->setMargin(5);
+			$this->setLabelMarginLeft(30);
+			$this->setLabelMarginRight(30);
+			$this->setLabelMarginTop(50);
+			$this->setLabelMarginBottom(30);
+			$this->setLabelMarginCenter(20);
+
+			$this->setPieRatio(0.55);
+
+			$this->labelBoxWidth = 15;
+			$this->labelBoxHeight = 15;
+		}
+
+		/**
+		* Set the ratio of the pie image over the legend
+		*
+		* @access	public
+		* @param	double		ratio (value between 0 and 1)
+		*/
+		
+		function setPieRatio($pieRatio)
+		{
+			$this->pieRatio = $pieRatio;
+		}
+
+		/**
+		* Compare two sampling point values, order from biggest to lowest value
+		*
+		* @access	private
+		* @param	double		first value
+		* @param	double		second value
+		* @return	integer		result of the comparison
+		*/
+		
+		function sortPie($v1, $v2)
+		{
+			return $v1[0] == $v2[0] ? 0 :
+				$v1[0] > $v2[0] ? -1 :
+				1;
+		}
+		
+		/**
+		* Compute pie values in percentage and sort them
+		*
+		* @access	private
+		*/
+		
+		function computePercent()
+		{
+			$this->total = 0;
+			$this->percent = array();
+
+			foreach($this->point as $point)
+				$this->total += $point->getY();
+
+			foreach($this->point as $point)
+			{
+				$percent = $this->total == 0 ? 0 : 100 * $point->getY() / $this->total;
+
+				array_push($this->percent, array($percent, $point));
+			}
+			if($this->order)
+				usort($this->percent, array("PieChart", "sortPie"));
+		}
+
+		/**
+		* Set the margin between the pie image and the legend
+		*
+		* @access	public
+		* @param	integer		margin value in pixels
+		*/
+		
+		function setLabelMarginCenter($labelMarginCenter)
+		{
+			$this->labelMarginCenter = $labelMarginCenter;
+		}
+
+		/**
+		* Draw a gray box with nice borders
+		*
+		* @access	private
+		* @param	integer		top left coordinate (x)
+		* @param	integer		top left coordinate (y)
+		* @param	integer		bottom right coordinate (x)
+		* @param	integer		bottom right coordinate (y)
+		*/
+		
+		function outlinedBox($x1, $y1, $x2, $y2)
+		{
+			imagefilledrectangle($this->img, $x1, $y1, $x2, $y2, $this->axisColor1->getColor($this->img));
+			imagerectangle($this->img, $x1, $y1, $x1 + 1, $y1 + 1, $this->axisColor2->getColor($this->img));
+			imagerectangle($this->img, $x2 - 1, $y1, $x2, $y1 + 1, $this->axisColor2->getColor($this->img));
+			imagerectangle($this->img, $x1, $y2 - 1, $x1 + 1, $y2, $this->axisColor2->getColor($this->img));
+			imagerectangle($this->img, $x2 - 1, $y2 - 1, $x2, $y2, $this->axisColor2->getColor($this->img));
+		}
+
+		/**
+		* Compute image layout
+		*
+		* @access	private
+		*/
+		
+		function computeLabelMargin()
+		{
+			$graphWidth = $this->width - $this->margin * 2 - $this->labelMarginLeft - $this->labelMarginCenter - $this->labelMarginRight;
+			
+			$this->pieTLX = $this->margin + $this->labelMarginLeft;
+			$this->pieTLY = $this->margin + $this->labelMarginTop;
+			$this->pieBRX = $this->pieTLX + $graphWidth * $this->pieRatio;
+			$this->pieBRY = $this->height - $this->margin - $this->labelMarginBottom;
+			
+			$this->pieCenterX = $this->pieTLX + ($this->pieBRX - $this->pieTLX) / 2;
+			$this->pieCenterY = $this->pieTLY + ($this->pieBRY - $this->pieTLY) / 2;
+			
+			$this->pieWidth = round(($this->pieBRX - $this->pieTLX) * 4 / 5);
+			$this->pieHeight = round(($this->pieBRY - $this->pieTLY) * 3.7 / 5);
+			$this->pieDepth = round($this->pieWidth * 0.05);
+
+			$this->labelTLX = $this->pieBRX + $this->labelMarginCenter;
+			$this->labelTLY = $this->pieTLY;
+			$this->labelBRX = $this->pieTLX + $this->labelMarginCenter + $graphWidth;
+			$this->labelBRY = $this->pieBRY;
+
+		}
+
+		/**
+		* Creates the pie chart image
+		*
+		* @access	private
+		*/
+		
+		function createImage()
+		{
+			parent::createImage();
+
+			$pieColors = array(
+				array(2, 78, 0),
+				array(148, 170, 36),
+				array(233, 191, 49),
+				array(240, 127, 41),
+				array(243, 63, 34),
+				array(190, 71, 47),
+				array(135, 81, 60),
+				array(128, 78, 162),
+				array(121, 75, 255),
+				array(142, 165, 250),
+				array(162, 254, 239),
+				array(137, 240, 166),
+				array(104, 221, 71),
+				array(98, 174, 35),
+				array(93, 129, 1)
+			);
+
+			$this->pieColor = array();
+			$this->pieShadowColor = array();
+			$shadowFactor = 0.5;
+
+			foreach($pieColors as $colorRGB)
+			{
+				list($red, $green, $blue) = $colorRGB;
+
+				$color = new Color($red, $green, $blue);
+				$shadowColor = new Color($red * $shadowFactor, 
+							$green * $shadowFactor, 
+							$blue * $shadowFactor);
+
+				array_push($this->pieColor, $color);
+				array_push($this->pieShadowColor, $shadowColor);
+			}
+
+			$this->axisColor1 = new Color(201, 201, 201);
+			$this->axisColor2 = new Color(158, 158, 158);
+
+			$this->aquaColor1 = new Color(242, 242, 242);
+			$this->aquaColor2 = new Color(231, 231, 231);
+			$this->aquaColor3 = new Color(239, 239, 239);
+			$this->aquaColor4 = new Color(253, 253, 253);
+
+			// Legend box
+
+			$this->outlinedBox($this->pieTLX, $this->pieTLY, $this->pieBRX, $this->pieBRY);
+
+			// Aqua-like background
+
+			$aquaColor = Array($this->aquaColor1, $this->aquaColor2, $this->aquaColor3, $this->aquaColor4);
+
+			for($i = $this->pieTLY + 2; $i < $this->pieBRY - 1; $i++)
+			{
+				$color = $aquaColor[($i + 3) % 4];
+				$this->primitive->line($this->pieTLX + 2, $i, $this->pieBRX - 2, $i, $color);
+			}
+		}
+
+		/**
+		* Print legend
+		*
+		* @access	private
+		*/
+		
+		function printLabel()
+		{
+			$i = 0;
+
+			$boxX1 = $this->labelTLX + $this->margin;
+			$boxX2 = $boxX1 + $this->labelBoxWidth;
+
+			foreach($this->percent as $a)
+			{
+				list($percent, $point) = $a;
+				$legend = $point->getX();
+				
+				if($point->getColor() != null)
+					$color = $point->getColor();
+				else
+					$color = $this->pieColor[$i % count($this->pieColor)];
+
+				$boxY1 = $this->labelTLY + $this->margin + $i * ($this->labelBoxHeight + $this->margin);
+				$boxY2 = $boxY1 + $this->labelBoxHeight;
+
+				$this->outlinedBox($boxX1, $boxY1, $boxX2, $boxY2);
+				imagefilledrectangle($this->img, $boxX1 + 2, $boxY1 + 2, $boxX2 - 2, $boxY2 - 2, $color->getColor($this->img));
+
+				$this->text->printText($this->img, $boxX2 + $this->margin, $boxY1 + $this->labelBoxHeight / 2, $this->textColor, $legend, $this->text->fontCondensed, $this->text->VERTICAL_CENTER_ALIGN);
+
+				$i++;
+			}
+		}
+
+		/**
+		* Draw a 2D disc
+		*
+		* @access	private
+		* @param	integer		center coordinate (y)
+		* @param	array		colors for each portion
+		* @param	bitfield	drawing mode
+		*/
+		
+		function drawDisc($cy, $colorArray, $mode, $shad=false)
+		{
+			$i = 0;
+			$angle1 = 0;
+			$percentTotal = 0;
+
+			foreach($this->percent as $a)
+			{
+				list($percent, $point) = $a;
+
+				if($point->getColor() != null)
+					$color = $shad ? $point->getShadowColor() : $point->getColor();
+				else
+					$color = $colorArray[$i % count($colorArray)];
+
+				$percentTotal += $percent;
+				$angle2 = $percentTotal * 360 / 100;
+
+				imagefilledarc($this->img, $this->pieCenterX, $cy, $this->pieWidth, $this->pieHeight, $angle1, $angle2, $color->getColor($this->img), $mode);
+
+				$angle1 = $angle2;
+
+				$i++;
+			}
+		}
+
+		/**
+		* Print the percentage text
+		*
+		* @access	private
+		*/
+		
+		function drawPercent()
+		{
+			$angle1 = 0;
+			$percentTotal = 0;
+
+			foreach($this->percent as $a)
+			{
+				list($percent, $point) = $a;
+
+				// If value is null, don't print percentage
+				
+				if($percent <= 0)
+					continue;
+
+				$percentTotal += $percent;
+				$angle2 = $percentTotal * 2 * M_PI / 100;
+
+				$angle = $angle1 + ($angle2 - $angle1) / 2;
+				$text = number_format($percent) . "%";
+
+				$x = cos($angle) * ($this->pieWidth + 35) / 2 + $this->pieCenterX;
+				$y = sin($angle) * ($this->pieHeight + 35) / 2 + $this->pieCenterY;
+
+				$this->text->printText($this->img, $x, $y, $this->textColor, $text, $this->text->fontCondensed, $this->text->HORIZONTAL_CENTER_ALIGN | $this->text->VERTICAL_CENTER_ALIGN);
+
+				$angle1 = $angle2;
+			}
+		}
+
+		/**
+		* Print the pie chart
+		*
+		* @access	private
+		*/
+		
+		function printPie()
+		{
+			// Silhouette
+
+			for ($cy = $this->pieCenterY + $this->pieDepth / 2; $cy >= $this->pieCenterY - $this->pieDepth / 2; $cy--)
+				$this->drawDisc($cy, $this->pieShadowColor, IMG_ARC_EDGED, true);
+
+
+			// Top
+
+			$this->drawDisc($this->pieCenterY - $this->pieDepth / 2, $this->pieColor, IMG_ARC_PIE);
+
+			// Top Outline
+
+			$this->drawPercent();
+		}
+
+		/**
+		* Render the chart image
+		*
+		* @access	public
+		* @param	string		name of the file to render the image to (optional)
+		*/
+		
+		function render($fileName = null)
+		{
+			$this->computeLabelMargin();
+			$this->computePercent();
+			$this->createImage();
+			$this->printLogo();
+			$this->printTitle();
+			$this->printPie();
+			$this->printLabel();
+
+			if(isset($fileName))
+				imagepng($this->img, $fileName);
+			else
+				imagepng($this->img);
+		}
+	}
+?>