Added Comments

This commit is contained in:
2020-04-26 23:51:17 +05:30
parent f53b3cf1ac
commit ae97177a89
2 changed files with 45 additions and 23 deletions

View File

@@ -14,16 +14,25 @@ import java.io.IOException;
import javax.imageio.ImageIO;
import src.depends.StdDraw;
/**
* The class creates and draws the image according to golden ratio.
*/
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;
private double px, py;// pixel cordinate
private double r, degree;
private double spacing = 15; // spacing between the drawn points
private int width, height; // height and Widht of the image
private double goldenRatio = (Math.sqrt(5.0) + 1) / 2; // The Golden Ratio
int iter = 0;
boolean smallChaos = false;
BufferedImage img = null;
/**
* The constructor initializes with a image object to operate on. It also gives
* the height and widht of the mage.
*
* @param f A image file object
*/
TheArtist(File f) {
try {
img = ImageIO.read(f);
@@ -34,11 +43,22 @@ public class TheArtist {
}
}
/**
* Calculates the position of the next point to be drawn using cos and sin
* functions.
*
* @param x The x coordinate of the current pixel of the image
* @param y The y coordinate of the current pixel of the image
* @param grade The angle by which the point should be positioned
*/
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);
}
/**
* The Actual Drawing Routing. Uses StdDraw.
*/
public void goldenDraw() {
StdDraw.clear(StdDraw.WHITE);
StdDraw.setXscale(-10, width + 10);
@@ -53,16 +73,16 @@ public class TheArtist {
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;
// int a = (p >> 24) & 0xff; // alpha
int r = (p >> 16) & 0xff; // red
int g = (p >> 8) & 0xff; // green
int b = p & 0xff; // blue
int avg = (r + g + b) / 3; // because i like the gray scaled ones 😊
float luminance = (r * 0.2126f + g * 0.7152f + b * 0.0722f) / 255; // brightness
StdDraw.setPenColor(avg, avg, avg);
StdDraw.setPenRadius((1 - luminance) / 70);
StdDraw.point(px, -1 * py);
StdDraw.setPenColor(avg, avg, avg); // set all gray 🤗
StdDraw.setPenRadius((1 - luminance) / 70); /** set the point size */
StdDraw.point(px, -1 * py); // draw the point
StdDraw.show();
}
}

View File

@@ -13,24 +13,26 @@ import javax.swing.JFileChooser;
import javax.swing.filechooser.FileNameExtensionFilter;
/**
* TheCanvas
*
*
* This Class conatains the file chooser and main function.
*/
public class TheCanvas {
public static void main(String[] args) {
File f = openFile();
TheArtist art = new TheArtist(f);
art.goldenDraw();
File f = openFile();
TheArtist art = new TheArtist(f);
art.goldenDraw();
}
/**
* Chooses Image File
*
* @return File object of the chosen File
*/
public static File openFile() {
JFileChooser open = new JFileChooser();
FileNameExtensionFilter filter = new FileNameExtensionFilter("Image Files", "jpg", "jpeg");
FileNameExtensionFilter filter = new FileNameExtensionFilter("Image Files", "jpg", "jpeg", "png");
open.setFileFilter(filter);
int status = open.showOpenDialog(null);
if (status == JFileChooser.APPROVE_OPTION) {