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Update TimingGraph.java #7

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127 changes: 90 additions & 37 deletions src/TimingGraph.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,8 @@
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.awt.geom.*;
import java.awt.font.*;
import java.awt.image.BufferedImage;
Expand All @@ -20,8 +22,9 @@
*/

public class TimingGraph extends JPanel {
private int numRuns;
// lists containing timings of each function on different sized boards
private List<List<Double>> timings;
// number of tiles for each board that was tested
private List<Integer> numTiles;

/**
Expand All @@ -33,7 +36,6 @@ public TimingGraph(List<List<Double>> timings, List<Integer> numTiles) {
this.numTiles = numTiles;
setBackground(Color.WHITE);
setOpaque(true);
numRuns = timings.get(0).size();
showAndTell();
}

Expand All @@ -44,52 +46,95 @@ public void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2 = (Graphics2D) g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
// height and width of window
int w = getWidth();
int h = getHeight();
// Draw y-axis
g2.draw(new Line2D.Double(numRuns, numRuns, numRuns, h - numRuns));
// Draw x-axis
g2.draw(new Line2D.Double(numRuns, h - numRuns, w - numRuns, h - numRuns));
// Draw labels
// offset of the axes from the left and bottom edges of the window
int xOffset = 80;
int yOffset = 60;
// (0, 0) is in the top left corner
// Draw y-axis (extended a little past the end of the graph)
g2.draw(new Line2D.Double(xOffset, yOffset * 3/4, xOffset, h - yOffset));
// Draw x-axis (extended a little past the end of the graph)
g2.draw(new Line2D.Double(xOffset, h - yOffset, w - (xOffset * 3/4), h - yOffset));
// setup font
Font font = g2.getFont();
FontRenderContext frc = g2.getFontRenderContext();
LineMetrics lm = font.getLineMetrics("0", frc);
float sh = lm.getAscent() + lm.getDescent();
// Draw label on the y-axis
String s = "time";
float sy = numRuns + ((h - 2 * numRuns) - s.length() * sh) / 2 + lm.getAscent();
for (int i = 0; i < s.length(); i++) {
String letter = String.valueOf(s.charAt(i));
float sw = (float) font.getStringBounds(letter, frc).getWidth();
float sx = (numRuns - sw) / 2;
g2.drawString(letter, sx, sy);
sy += sh;
}
// Draw label on the x-axis
s = "board size";
sy = h - numRuns + (numRuns - sh) / 2 + lm.getAscent();
// rotate the x and y axes 90 degrees counterclockwise to draw the label sideways
AffineTransform at = new AffineTransform();
at.rotate(Math.PI / -2);
g2.setTransform(at);
String s = "time (s)";
String exampleTime = "0.002";
float sw = (float) font.getStringBounds(s, frc).getWidth();
float sx = (w - sw) / 2;
// due to the rotation, the negative x acts like the y pre-rotation
float sx = (h + sw) / -2;
// similarly, the positive y acts like the x (pre-rotation)
float sy = (xOffset - (float) font.getStringBounds(exampleTime, frc).getWidth() + lm.getAscent()) / 2;
g2.drawString(s, sx, sy);
// revert the rotation
at.rotate(Math.PI / 2);
g2.setTransform(at);
// Draw label on the x-axis
s = "board size (tiles)";
sw = (float) font.getStringBounds(s, frc).getWidth();
sx = (w - sw) / 2;
sy = h - ((yOffset - lm.getAscent()) / 2);
g2.drawString(s, sx, sy);
// Label the origin
s = "0";
sw = (float) font.getStringBounds(s, frc).getWidth();
sx = xOffset - sw;
sy = h - yOffset + lm.getAscent();
g2.drawString(s, sx, sy);
// Draw lines
double xInc = (double) (w - 2 * numRuns) / numTiles.get(numTiles.size() - 1);
double scale = (double) (h - 2 * numRuns) / getMaxTime();
g2.setPaint(Color.GREEN.darker());
// Draw the x-axis labels
float maxLabelWidth = (float) font.getStringBounds(String.format("%d", Constants.MAX_BOARD_SIZE_FOR_AUTOPLAY), frc).getWidth();
int numIntervals = w / (int) (3 * maxLabelWidth);
int intervalWidth = (w - (2 * xOffset)) / numIntervals;
for (int i = 1; i != numIntervals + 1; ++i) {
s = String.format("%d", i * (Constants.MAX_BOARD_SIZE_FOR_AUTOPLAY / numIntervals));
sw = (float) font.getStringBounds(s, frc).getWidth();
sx = xOffset + (i * intervalWidth) - (sw / 2);
sy = h - yOffset + lm.getAscent();
g2.drawString(s, sx, sy);
}
// Draw the y-axis labels
numIntervals = h / (int) (6 * lm.getAscent());
int intervalHeight = (h - (2 * yOffset)) / numIntervals;
double maxRecordedTime = getMaxTime();
for (int i = 1; i != numIntervals + 1; ++i) {
// Draw time with 3 digit precision
s = String.format("%.3f", i * (maxRecordedTime / numIntervals));
sw = (float) font.getStringBounds(s, frc).getWidth();
sx = xOffset - sw;
sy = h - yOffset - (i * intervalHeight);
g2.drawString(s, sx, sy);
}
// Draw the points and the lines connecting them
double xScale = (double) (w - (2 * xOffset)) / Constants.MAX_BOARD_SIZE_FOR_AUTOPLAY;
double yScale = (double) (h - (2 * yOffset)) / maxRecordedTime;
g2.setPaint(Color.RED);
for (List<Double> run : timings) {
for (int i = 0; i != run.size() - 1; ++i) {
double x1 = numRuns + numTiles.get(i) * xInc;
double y1 = h - numRuns - scale * run.get(i);
double x2 = numRuns + numTiles.get(i + 1) * xInc;
double y2 = h - numRuns - scale * run.get(i + 1);
g2.draw(new Line2D.Double(x1, y1, x2, y2));
}
// Mark data points with small circles
for (int i = 0; i < run.size(); i++) {
double x = numRuns + numTiles.get(i) * xInc;
double y = h - numRuns - scale * run.get(i);
s = "flood";
for (List<Double> times : timings) {
// Set the previous to be the origin
double prevX = xOffset;
double prevY = h - yOffset;
for (int i = 0; i != times.size(); ++i) {
// Draw the current point and connect it to the previous point
double x = xOffset + (numTiles.get(i) * xScale);
double y = h - yOffset - (times.get(i) * yScale);
g2.fill(new Ellipse2D.Double(x - 2, y - 2, 4, 4));
g2.draw(new Line2D.Double(prevX, prevY, x, y));
// Update the previous point
prevX = x;
prevY = y;
}
// draw the legend
g2.drawString(s, (float) prevX + 5, (float) Math.min(prevY + lm.getAscent() / 2.5, h - yOffset));
// update flood function name for legend
s = "flood1";
g2.setPaint(Color.LIGHT_GRAY);
}
}
Expand Down Expand Up @@ -122,6 +167,14 @@ private void showAndTell() {
BufferedImage image = new BufferedImage(dim.width, dim.height, BufferedImage.TYPE_INT_ARGB);
Graphics g = image.createGraphics();
frame.paint(g);
// repaint the frame if the size of the window changes
frame.addComponentListener(new ComponentAdapter() {
@Override
public void componentResized(ComponentEvent e) {
super.componentResized(e);
frame.repaint();
}
});
g.dispose();
// Tell
try {
Expand Down