Source File Added

src/TheArtist.java

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+/**
+*
+* D:\Git\Golden-Ratio-Image\src\TheArtist.java
+*
+* @author Avinal Kumar
+* @since  April 26, 2020
+*/
+
+package src;
+
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import javax.imageio.ImageIO;
+import src.depends.StdDraw;
+
+public class TheArtist {
+    private double px, py, r, degree;
+    private double spacing = 15;
+    private int width, height;
+    private double goldenRatio = (Math.sqrt(5.0) + 1) / 2;
+
+    int iter = 0;
+    boolean smallChaos = false;
+    BufferedImage img = null;
+
+    TheArtist(File f) {
+        try {
+            img = ImageIO.read(f);
+            width = img.getWidth();
+            height = img.getHeight();
+        } catch (IOException e) {
+            System.out.println(e);
+        }
+    }
+
+    private void calculatePointPosition(double x, double y, double grade) {
+        px = x + Math.cos(Math.toRadians(grade)) * (r / 2);
+        py = y + Math.sin(Math.toRadians(grade)) * (r / 2);
+    }
+
+    public void goldenDraw() {
+        StdDraw.clear(StdDraw.WHITE);
+        StdDraw.setXscale(-10, width + 10);
+        StdDraw.setYscale(-1 * (height + 10), 10);
+        StdDraw.enableDoubleBuffering();
+
+        for (int i = 5000; i > 0; i--) {
+            degree = (iter * goldenRatio) * 360;
+            r = Math.sqrt(iter++) * spacing;
+            calculatePointPosition(width / 2, height / 2, (degree % 360));
+            if (px - 10 <= 0 || px + 10 >= width || py - 10 <= 0 || py + 10 >= height) {
+                break;
+            }
+            int p = img.getRGB((int) px, (int) py);
+            // int a = (p >> 24) & 0xff;
+            int r = (p >> 16) & 0xff;
+            int g = (p >> 8) & 0xff;
+            int b = p & 0xff;
+            int avg = (r + g + b) / 3;
+            float luminance = (r * 0.2126f + g * 0.7152f + b * 0.0722f) / 255;
+
+            StdDraw.setPenColor(avg, avg, avg);
+            StdDraw.setPenRadius((1 - luminance) / 70);
+            StdDraw.point(px, -1 * py);
+            StdDraw.show();
+        }
+    }
+}

src/TheCanvas.java

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+/**
+*
+* D:\Git\Golden-Ratio-Image\src\TheCanvas.java
+*
+* @author Avinal Kumar
+* @since  April 26, 2020
+*/
+
+package src;
+
+import java.io.*;
+import javax.swing.JFileChooser;
+import javax.swing.filechooser.FileNameExtensionFilter;
+
+/**
+ * TheCanvas
+ * 
+ * 
+ */
+public class TheCanvas {
+
+    public static void main(String[] args) {
+
+        
+            File f = openFile();
+            TheArtist art = new TheArtist(f);
+            art.goldenDraw();
+            
+    }
+
+    public static File openFile() {
+        JFileChooser open = new JFileChooser();
+        FileNameExtensionFilter filter = new FileNameExtensionFilter("Image Files", "jpg", "jpeg");
+        open.setFileFilter(filter);
+        int status = open.showOpenDialog(null);
+        if (status == JFileChooser.APPROVE_OPTION) {
+            return open.getSelectedFile();
+        } else {
+            return new File("tree.txt");
+        }
+    }
+}