Inital commitHEADmaster

1 files changed, 139 insertions, 0 deletions

diff --git a/labs/lab01_pair/GraphComponent.java b/labs/lab01_pair/GraphComponent.java
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+++ b/labs/lab01_pair/GraphComponent.java
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+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.geom.Line2D;
+import java.util.ArrayList;
+import javax.swing.JComponent;
+
+@SuppressWarnings("serial")
+public class GraphComponent extends JComponent
+{
+	private int leftMargin = 10;
+	private int rightMargin = 10;
+	private int topMargin = 10;
+	private int bottomMargin = 10;
+	private double largest;
+	private double largestX;
+	private double smallestX;
+	private double largestY;
+	private double smallestY;
+	private int numData;
+	private int width;
+	private int height;
+	private ArrayList<PairInterface<Double,Double>> data;
+	
+	public GraphComponent(ArrayList<PairInterface<Double,Double>> aData)
+	{
+		data = aData;
+		numData = data.size();
+		PairInterface<Double,Double> tempData = data.get(0);
+
+		largestX = tempData.fst();
+		smallestX = largestX;
+		largestY = tempData.snd();
+		smallestY = largestY;
+		
+		for(int i = 1; i < numData; i++)
+		{
+			tempData = data.get(i);
+
+			if(largestX < tempData.fst())
+			{
+				largestX = tempData.fst();
+			}
+
+			if(smallestX > tempData.fst())
+			{
+				smallestX = tempData.fst();
+			}
+
+			if(largestY < tempData.snd())
+			{
+				largestY = tempData.snd();
+			}
+
+			if(smallestY > tempData.snd())
+			{
+				smallestY = tempData.snd();
+			}
+		}
+		
+		if(Math.abs(largestX) < Math.abs(smallestX))
+		{
+			largestX = Math.abs(smallestX);
+		}
+		else
+		{
+			largestX = Math.abs(largestX);
+		}
+		
+		if(Math.abs(largestY) < Math.abs(smallestY))
+		{
+			largestY = Math.abs(smallestY);
+		}
+		else
+		{
+			largestY = Math.abs(largestY);
+		}
+		
+		if(largestX > largestY)
+		{
+			largest = largestX;
+		}
+		else
+		{
+			largest = largestY;
+		}
+	}
+	
+	public void paintComponent(Graphics g)
+	{
+		Graphics2D g2 = (Graphics2D) g;
+		
+		width = this.getWidth();
+		height = this.getHeight();
+
+		
+		
+		Line2D.Double line = new Line2D.Double(0,0,0,0);
+		
+		// Draw Axis;
+		
+		g2.setColor(Color.BLACK);
+
+		line.setLine(getX(0),getY(0),getX(-largest),getY(0));
+		g2.draw(line);
+		line.setLine(getX(0),getY(0),getX(0),getY(largest));
+		g2.draw(line);
+		line.setLine(getX(0),getY(0),getX(largest),getY(0));
+		g2.draw(line);
+		line.setLine(getX(0),getY(0),getX(0),getY(-largest));
+		g2.draw(line);
+		
+		// Draw frequency the graph
+		
+		g2.setColor(Color.GREEN);
+		
+		for(int i = 0; i < numData - 1; i++)
+		{
+			line.setLine(getX(data.get(i).fst()), getY(data.get(i).snd()), getX(data.get(i + 1).fst()), getY(data.get(i + 1).snd()));
+			g2.draw(line);
+		}
+	}
+	
+	public int getX(double aValue)
+	{
+		int numberOfPixels = width - (leftMargin + rightMargin);
+		double range = largest + largest;
+		double deltaWidth = numberOfPixels / range;
+		return (int) ((aValue + largest) * deltaWidth) + leftMargin;
+	}
+	
+	public int getY(double aValue)
+	{
+		int numberOfPixels = height - (topMargin + bottomMargin);
+		double range = largest + largest;
+		double deltaWidth = numberOfPixels / range;
+		return (int) ((-aValue + largest) * deltaWidth) + topMargin;
+	}
+}