OFImage :
/**
* EAS PBO-A Image Viewer
* M. Fatih
* 10/12/2018
*/
import java.awt.*;
import java.awt.image.*;
import javax.swing.*;
public class OFImage extends BufferedImage
{
/**
* Create an OFImage copied from a BufferedImage.
* @param image The image to copy.
*/
public OFImage(BufferedImage image)
{
super(image.getColorModel(), image.copyData(null),
image.isAlphaPremultiplied(), null);
}
/**
* Create an OFImage with specified size and unspecified content.
* @param width The width of the image.
* @param height The height of the image.
*/
public OFImage(int width, int height)
{
super(width, height, TYPE_INT_RGB);
}
/**
* Set a given pixel of this image to a specified color. The color is represented as an (r,g,b) value.
* @param x The x position of the pixel.
* @param y The y position of the pixel.
* @param col The color of the pixel.
*/
public void setPixel(int x, int y, Color col)
{
int pixel = col.getRGB();
setRGB(x, y, pixel);
}
/**
* Get the color value at a specified pixel position.
* @param x The x position of the pixel.
* @param y The y position of the pixel.
* @return The color of the pixel at the given position.
*/
public Color getPixel(int x, int y)
{
int pixel = getRGB(x, y);
return new Color(pixel);
}
}
Image Viewer :
/**
* EAS PBO-A Image Viewer
* M. Fatih
* 10/12/2018
*/
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.swing.*;
import javax.swing.border.*;
import java.awt.image.BufferedImage;
import java.io.IOException;
import javax.imageio.ImageIO;
import java.io.File;
import java.util.List;
import java.util.ArrayList;
import java.util.Iterator;
public class ImageViewer
{
private static final String CREATOR = "Created in order to finishing EAS PBO 2018";
private static JFileChooser fileChooser = new JFileChooser(System.getProperty("user.dir"));
private JFrame frame;
private ImagePanel imagePanel;
private JLabel filenameLabel;
private JLabel statusLabel;
private JButton smallerButton;
private JButton largerButton;
private JButton Reset;
private JButton Rotate;
private OFImage currentImage;
private OFImage temp;
private List<Filter> filters;
/**
* Create an ImageViewer and display its GUI on screen.
*/
public ImageViewer()
{
currentImage = null;
filters = createFilters();
makeFrame();
}
// ---- implementation of menu functions ----
/**
* Open function: open a file chooser to select a new image file,
* and then display the chosen image.
*/
private void openFile()
{
int returnVal = fileChooser.showOpenDialog(frame);
if(returnVal != JFileChooser.APPROVE_OPTION) {
return; // cancelled
}
File selectedFile = fileChooser.getSelectedFile();
currentImage = ImageFileManager.loadImage(selectedFile);
if(currentImage == null) { // image file was not a valid image
JOptionPane.showMessageDialog(frame,
"The file was not in a recognized image file format.",
"Image Load Error",
JOptionPane.ERROR_MESSAGE);
return;
}
imagePanel.setImage(currentImage);
setButtonsEnabled(true);
showFilename(selectedFile.getPath());
showStatus("File loaded.");
frame.pack();
}
private void Reset()
{
File selectedFile = fileChooser.getSelectedFile();
if(currentImage != null) {
temp = ImageFileManager.loadImage(selectedFile);
currentImage = temp;
imagePanel.setImage(currentImage);
frame.pack();
}
}
private void close()
{
currentImage = null;
imagePanel.clearImage();
showFilename(null);
setButtonsEnabled(false);
}
/**
* Save As function: save the current image to a file.
*/
private void saveAs()
{
if(currentImage != null) {
int returnVal = fileChooser.showSaveDialog(frame);
if(returnVal != JFileChooser.APPROVE_OPTION) {
return; // cancelled
}
File selectedFile = fileChooser.getSelectedFile();
ImageFileManager.saveImage(currentImage, selectedFile);
showFilename(selectedFile.getPath());
}
}
/**
* Quit function: quit the application.
*/
private void quit()
{
System.exit(0);
}
/**
* Apply a given filter to the current image.
*
* @param filter The filter object to be applied.
*/
private void applyFilter(Filter filter)
{
if(currentImage != null) {
filter.apply(currentImage);
frame.repaint();
showStatus("Applied: " + filter.getName());
}
else {
showStatus("No image loaded.");
}
}
/**
* 'About' function: show the 'about' box.
*/
private void showAbout()
{
JOptionPane.showMessageDialog(frame,
"ImageViewer\n","About ImageViewer", JOptionPane.INFORMATION_MESSAGE);
}
/**
* Make the current picture larger.
*/
private void makeLarger()
{
if(currentImage != null) {
// create new image with double size
int width = currentImage.getWidth();
int height = currentImage.getHeight();
OFImage newImage = new OFImage(width * 2, height * 2);
// copy pixel data into new image
for(int y = 0; y < height; y++) {
for(int x = 0; x < width; x++) {
Color col = currentImage.getPixel(x, y);
newImage.setPixel(x * 2, y * 2, col);
newImage.setPixel(x * 2 + 1, y * 2, col);
newImage.setPixel(x * 2, y * 2 + 1, col);
newImage.setPixel(x * 2+1, y * 2 + 1, col);
}
}
currentImage = newImage;
imagePanel.setImage(currentImage);
frame.pack();
}
}
/**
* Make the current picture smaller.
*/
private void makeSmaller()
{
if(currentImage != null) {
// create new image with double size
int width = currentImage.getWidth() / 2;
int height = currentImage.getHeight() / 2;
OFImage newImage = new OFImage(width, height);
// copy pixel data into new image
for(int y = 0; y < height; y++) {
for(int x = 0; x < width; x++) {
newImage.setPixel(x, y, currentImage.getPixel(x * 2, y * 2));
}
}
currentImage = newImage;
imagePanel.setImage(currentImage);
frame.pack();
}
}
private void Rotate(int x)
{
if(currentImage != null)
{
double sin = Math.abs(Math.sin(Math.toRadians(x)));
double cos = Math.abs(Math.cos(Math.toRadians(x)));
int width = currentImage.getWidth();
int height = currentImage.getHeight();
int width_n = (int) Math.floor(width*cos + height*sin);
int height_n = (int) Math.floor(height*cos + width*sin);
BufferedImage r = new BufferedImage(width_n, height_n, currentImage.getType()); //BufferedImage(int width, int height, int imageType)
Graphics2D g = r.createGraphics();
g.translate((width_n-width)/2, (height_n-height)/2);
g.rotate(Math.toRadians(x), width/2, height/2);
g.drawImage(currentImage, null, 0, 0);
g.dispose();
currentImage=new OFImage(r);
imagePanel.setImage(currentImage);
}
}
// ---- support methods ----
/**
* Show the file name of the current image in the fils display label.
* 'null' may be used as a parameter if no file is currently loaded.
*
* @param filename The file name to be displayed, or null for 'no file'.
*/
private void showFilename(String filename)
{
if(filename == null) {
filenameLabel.setText("No file displayed.");
}
else {
filenameLabel.setText("File: " + filename);
}
}
/**
* Show a message in the status bar at the bottom of the screen.
* @param text The status message.
*/
private void showStatus(String text)
{
statusLabel.setText(text);
}
/**
* Enable or disable all toolbar buttons.
*
* @param status 'true' to enable the buttons, 'false' to disable.
*/
private void setButtonsEnabled(boolean status)
{
smallerButton.setEnabled(status);
largerButton.setEnabled(status);
}
/**
* Create a list with all the known filters.
* @return The list of filters.
*/
private List<Filter> createFilters()
{
List<Filter> filterList = new ArrayList<Filter>();
filterList.add(new DarkerFilter("Darker"));
filterList.add(new LighterFilter("Lighter"));
filterList.add(new ThresholdFilter("Threshold"));
filterList.add(new InvertFilter("Invert"));
filterList.add(new SmoothFilter("Smooth"));
filterList.add(new PixelizeFilter("Pixelize"));
filterList.add(new MirrorFilter("Mirror"));
filterList.add(new GrayScaleFilter("Grayscale"));
filterList.add(new FishEyeFilter("Fish Eye"));
return filterList;
}
// ---- Swing stuff to build the frame and all its components and menus ----
/**
* Create the Swing frame and its content.
*/
private void makeFrame()
{
frame = new JFrame("ImageViewer");
JPanel contentPane = (JPanel)frame.getContentPane();
contentPane.setBorder(new EmptyBorder(6, 6, 6, 6));
makeMenuBar(frame);
// Specify the layout manager with nice spacing
contentPane.setLayout(new BorderLayout(6, 6));
// Create the image pane in the center
imagePanel = new ImagePanel();
imagePanel.setBorder(new EtchedBorder());
contentPane.add(imagePanel, BorderLayout.CENTER);
// Create two labels at top and bottom for the file name and status messages
filenameLabel = new JLabel();
contentPane.add(filenameLabel, BorderLayout.NORTH);
statusLabel = new JLabel(CREATOR);
contentPane.add(statusLabel, BorderLayout.SOUTH);
// Create the toolbar with the buttons
JPanel toolbar = new JPanel();
toolbar.setLayout(new GridLayout(0, 1));
smallerButton = new JButton("Smaller");
smallerButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) { makeSmaller(); }
});
toolbar.add(smallerButton);
largerButton = new JButton("Larger");
largerButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) { makeLarger(); }
});
toolbar.add(largerButton);
Reset = new JButton("Reset");
Reset.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) { Reset(); }
});
toolbar.add(Reset);
Rotate = new JButton("Rotate");
Rotate.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) { Rotate(90); }
});
toolbar.add(Rotate);
// Add toolbar into panel with flow layout for spacing
JPanel flow = new JPanel();
flow.add(toolbar);
contentPane.add(flow, BorderLayout.WEST);
// building is done - arrange the components
showFilename(null);
setButtonsEnabled(false);
frame.pack();
// place the frame at the center of the screen and show
Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
frame.setLocation(d.width/2 - frame.getWidth()/2, d.height/2 - frame.getHeight()/2);
frame.setVisible(true);
}
/**
* Create the main frame's menu bar.
* @param frame The frame that the menu bar should be added to.
*/
private void makeMenuBar(JFrame frame)
{
final int SHORTCUT_MASK =
Toolkit.getDefaultToolkit().getMenuShortcutKeyMask();
JMenuBar menubar = new JMenuBar();
frame.setJMenuBar(menubar);
JMenu menu;
JMenuItem item;
// create the File menu
menu = new JMenu("File");
menubar.add(menu);
item = new JMenuItem("Open...");
item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, SHORTCUT_MASK));
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) { openFile(); }
});
menu.add(item);
item = new JMenuItem("Close");
item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_W, SHORTCUT_MASK));
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) { close(); }
});
menu.add(item);
menu.addSeparator();
item = new JMenuItem("Save As...");
item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, SHORTCUT_MASK));
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) { saveAs(); }
});
menu.add(item);
menu.addSeparator();
item = new JMenuItem("Quit");
item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Q, SHORTCUT_MASK));
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) { quit(); }
});
menu.add(item);
Reset = new JButton("Reset");
Reset.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) { Reset(); }
});
menu.add(Reset);
// create the Filter menu
menu = new JMenu("Filter");
menubar.add(menu);
for(final Filter filter : filters) {
item = new JMenuItem(filter.getName());
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
applyFilter(filter);
}
});
menu.add(item);
}
// create the Help menu
menu = new JMenu("Help");
menubar.add(menu);
item = new JMenuItem("About ImageViewer...");
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) { showAbout(); }
});
menu.add(item);
}
}
Image File Manager :
/**
* EAS PBO-A Image Viewer
* M. Fatih
* 10/12/2018
*/
import java.awt.image.*;
import javax.imageio.*;
import java.io.*;
public class ImageFileManager
{
// A constant for the image format that this writer uses for writing.
// Available formats are "jpg" and "png".
private static final String IMAGE_FORMAT = "jpg";
/**
* Read an image file from disk and return it as an image. This method
* can read JPG and PNG file formats. In case of any problem (e.g the file
* does not exist, is in an undecodable format, or any other read error)
* this method returns null.
*
* @param imageFile The image file to be loaded.
* @return The image object or null is it could not be read.
*/
public static OFImage loadImage(File imageFile)
{
try {
BufferedImage image = ImageIO.read(imageFile);
if(image == null || (image.getWidth(null) < 0)) {
// we could not load the image - probably invalid file format
return null;
}
return new OFImage(image);
}
catch(IOException exc) {
return null;
}
}
/**
* Write an image file to disk. The file format is JPG. In case of any
* problem the method just silently returns.
*
* @param image The image to be saved.
* @param file The file to save to.
*/
public static void saveImage(OFImage image, File file)
{
try {
ImageIO.write(image, IMAGE_FORMAT, file);
}
catch(IOException exc) {
return;
}
}
}
Image Panel :
/**
* EAS PBO-A Image Viewer
* M. Fatih
* 10/12/2018
*/
import java.awt.*;
import javax.swing.*;
import java.awt.image.*;
public class ImagePanel extends JComponent
{
// The current width and height of this panel
private int width, height;
// An internal image buffer that is used for painting. For
// actual display, this image buffer is then copied to screen.
private OFImage panelImage;
/**
* Create a new, empty ImagePanel.
*/
public ImagePanel()
{
width = 360; // arbitrary size for empty panel
height = 240;
panelImage = null;
}
/**
* Set the image that this panel should show.
*
* @param image The image to be displayed.
*/
public void setImage(OFImage image)
{
if(image != null) {
width = image.getWidth();
height = image.getHeight();
panelImage = image;
repaint();
}
}
/**
* Clear the image on this panel.
*/
public void clearImage()
{
Graphics imageGraphics = panelImage.getGraphics();
imageGraphics.setColor(Color.LIGHT_GRAY);
imageGraphics.fillRect(0, 0, width, height);
repaint();
}
// The following methods are redefinitions of methods
// inherited from superclasses.
/**
* Tell the layout manager how big we would like to be.
* (This method gets called by layout managers for placing
* the components.)
*
* @return The preferred dimension for this component.
*/
public Dimension getPreferredSize()
{
return new Dimension(width, height);
}
/**
* This component needs to be redisplayed. Copy the internal image
* to screen. (This method gets called by the Swing screen painter
* every time it want this component displayed.)
*
* @param g The graphics context that can be used to draw on this component.
*/
public void paintComponent(Graphics g)
{
Dimension size = getSize();
g.clearRect(0, 0, size.width, size.height);
if(panelImage != null) {
g.drawImage(panelImage, 0, 0, null);
}
}
}
Filter :
/**
* EAS PBO-A Image Viewer
* M. Fatih
* 10/12/2018
*/
public abstract class Filter
{
private String name;
/**
* Create a new filter with a given name.
* @param name The name of the filter.
*/
public Filter(String name)
{
this.name = name;
}
/**
* Return the name of this filter.
*
* @return The name of this filter.
*/
public String getName()
{
return name;
}
/**
* Apply this filter to an image.
*
* @param image The image to be changed by this filter.
*/
public abstract void apply(OFImage image);
}
Lighter Filter :
/**
* EAS PBO-A Image Viewer
* M. Fatih
* 10/12/2018
*/
public class LighterFilter extends Filter
{
/**
* Constructor for objects of class LighterFilter.
* @param name The name of the filter.
*/
public LighterFilter(String name)
{
super(name);
}
/**
* Apply this filter to an image.
*
* @param image The image to be changed by this filter.
*/
public void apply(OFImage image)
{
int height = image.getHeight();
int width = image.getWidth();
for(int y = 0; y < height; y++) {
for(int x = 0; x < width; x++) {
image.setPixel(x, y, image.getPixel(x, y).brighter());
}
}
}
}
Mirror Filter :
/**
* EAS PBO-A Image Viewer
* M. Fatih
* 10/12/2018
*/
import java.awt.Color;
public class MirrorFilter extends Filter
{
/**
* Constructor for objects of class MirrorFilter.
* @param name The name of the filter.
*/
public MirrorFilter(String name)
{
super(name);
}
/**
* Apply this filter to an image.
*
* @param image The image to be changed by this filter.
*/
public void apply(OFImage image)
{
int height = image.getHeight();
int width = image.getWidth();
for(int y = 0; y < height; y++) {
for(int x = 0; x < width / 2; x++) {
Color left = image.getPixel(x, y);
image.setPixel(x, y, image.getPixel(width - 1 - x, y));
image.setPixel(width - 1 - x, y, left);
}
}
}
}
Invert Filter :
/**
* EAS PBO-A Image Viewer
* M. Fatih
* 10/12/2018
*/
import java.awt.Color;
public class InvertFilter extends Filter
{
/**
* Constructor for objects of class InvertFilter.
* @param name The name of the filter.
*/
public InvertFilter(String name)
{
super(name);
}
/**
* Apply this filter to an image.
*
* @param image The image to be changed by this filter.
*/
public void apply(OFImage image)
{
int height = image.getHeight();
int width = image.getWidth();
for(int y = 0; y < height; y++) {
for(int x = 0; x < width; x++) {
Color pix = image.getPixel(x, y);
image.setPixel(x, y, new Color(255 - pix.getRed(),
255 - pix.getGreen(),
255 - pix.getBlue()));
}
}
}
}
Fish Eye Filter :
/**
* EAS PBO-A Image Viewer
* M. Fatih
* 10/12/2018
*/
import java.awt.Color;
public class FishEyeFilter extends Filter
{
// constants:
private final static int SCALE = 20; // this defines the strenght of the filter
private final static double TWO_PI = 2 * Math.PI;
/**
* Constructor for objects of class LensFilter.
* @param name The name of the filter.
*/
public FishEyeFilter(String name)
{
super(name);
}
/**
* Apply this filter to an image.
* @param image The image to be changed by this filter.
*/
public void apply(OFImage image)
{
int height = image.getHeight();
int width = image.getWidth();
OFImage original = new OFImage(image);
int[] xa = computeXArray(width);
int[] ya = computeYArray(height);
for(int y = 0; y < height; y++) {
for(int x = 0; x < width; x++) {
image.setPixel(x, y, original.getPixel(x + xa[x], y + ya[y]));
}
}
}
/**
* Compute and return an array of horizontal offsets for each pixel column.
* These can then be applied as the horizontal offset for each pixel.
*/
private int[] computeXArray(int width)
{
int[] xArray = new int[width];
for(int i=0; i < width; i++) {
xArray[i] = (int)(Math.sin( ((double)i / width) * TWO_PI) * SCALE);
}
return xArray;
}
/**
* Compute and return an array of vertical offsets for each pixel row.
* These can then be applied as the vertical offset for each pixel.
*/
private int[] computeYArray(int height)
{
int[] yArray = new int[height];
for(int i=0; i < height; i++) {
yArray[i] = (int)(Math.sin( ((double)i / height) * TWO_PI) * SCALE);
}
return yArray;
}
}
Darker Filter :
/**
* EAS PBO-A Image Viewer
* M. Fatih
* 10/12/2018
*/
public class DarkerFilter extends Filter
{
/**
* Constructor for objects of class DarkerFilter.
* @param name The name of the filter.
*/
public DarkerFilter(String name)
{
super(name);
}
/**
* Apply this filter to an image.
*
* @param image The image to be changed by this filter.
*/
public void apply(OFImage image)
{
int height = image.getHeight();
int width = image.getWidth();
for(int y = 0; y < height; y++) {
for(int x = 0; x < width; x++) {
image.setPixel(x, y, image.getPixel(x, y).darker());
}
}
}
}
Grayscale Filter :
/**
* EAS PBO-A Image Viewer
* M. Fatih
* 10/12/2018
*/
import java.awt.Color;
public class GrayScaleFilter extends Filter
{
/**
* Constructor for objects of class GrayScaleFilter.
* @param name The name of the filter.
*/
public GrayScaleFilter(String name)
{
super(name);
}
/**
* Apply this filter to an image.
*
* @param image The image to be changed by this filter.
*/
public void apply(OFImage image)
{
int height = image.getHeight();
int width = image.getWidth();
for(int y = 0; y < height; y++) {
for(int x = 0; x < width; x++) {
Color pix = image.getPixel(x, y);
int avg = (pix.getRed() + pix.getGreen() + pix.getBlue()) / 3;
image.setPixel(x, y, new Color(avg, avg, avg));
}
}
}
}
Threshold Filter :
/**
* EAS PBO-A Image Viewer
* M. Fatih
* 10/12/2018
*/
import java.awt.Color;
public class ThresholdFilter extends Filter
{
/**
* Constructor for objects of class ThresholdFilter.
* @param name The name of the filter.
*/
public ThresholdFilter(String name)
{
super(name);
}
/**
* Apply this filter to an image.
*
* @param image The image to be changed by this filter.
*/
public void apply(OFImage image)
{
int height = image.getHeight();
int width = image.getWidth();
for(int y = 0; y < height; y++) {
for(int x = 0; x < width; x++) {
Color pixel = image.getPixel(x, y);
int brightness = (pixel.getRed() + pixel.getBlue() + pixel.getGreen()) / 3;
if(brightness <= 85) {
image.setPixel(x, y, Color.BLACK);
}
else if(brightness <= 170) {
image.setPixel(x, y, Color.GRAY);
}
else {
image.setPixel(x, y, Color.WHITE);
}
}
}
}
}
Smooth Filter :
/**
* EAS PBO-A Image Viewer
* M. Fatih
* 10/12/2018
*/
import java.awt.Color;
import java.util.List;
import java.util.ArrayList;
public class SmoothFilter extends Filter
{
private OFImage original;
private int width;
private int height;
/**
* Constructor for objects of class SmoothFilter.
* @param name The name of the filter.
*/
public SmoothFilter(String name)
{
super(name);
}
/**
* Apply this filter to an image.
*
* @param image The image to be changed by this filter.
*/
public void apply(OFImage image)
{
original = new OFImage(image);
width = original.getWidth();
height = original.getHeight();
for(int y = 0; y < height; y++) {
for(int x = 0; x < width; x++) {
image.setPixel(x, y, smooth(x, y));
}
}
}
/**
* Return a new color that is the smoothed color of a given
* position. The "smoothed color" is the color value that is the
* average of this pixel and all the adjacent pixels.
* @param xpos The xposition of the pixel.
* @param ypos The yposition of the pixel.
* @return The smoothed color.
*/
private Color smooth(int xpos, int ypos)
{
List<Color> pixels = new ArrayList<Color>(9);
for(int y = ypos - 1; y <= ypos + 1; y++) {
for(int x = xpos - 1; x <= xpos + 1; x++) {
if( x >= 0 && x < width && y >= 0 && y < height )
pixels.add(original.getPixel(x, y));
}
}
return new Color(avgRed(pixels), avgGreen(pixels), avgBlue(pixels));
}
/**
* @param pixels The list of pixels.
* @return The average of all the red values in the given list of pixels.
*/
private int avgRed(List<Color> pixels)
{
int total = 0;
for(Color color : pixels) {
total += color.getRed();
}
return total / pixels.size();
}
/**
* @param pixels The list of pixels.
* @return The average of all the green values in the given list of pixels.
*/
private int avgGreen(List<Color> pixels)
{
int total = 0;
for(Color color : pixels) {
total += color.getGreen();
}
return total / pixels.size();
}
/**
* @param pixels The list of pixels.
* @return The average of all the blue values in the given list of pixels.
*/
private int avgBlue(List<Color> pixels)
{
int total = 0;
for(Color color : pixels) {
total += color.getBlue();
}
return total / pixels.size();
}
}
Pixelizer Filter :
/**
* EAS PBO-A Image Viewer
* M. Fatih
* 10/12/2018
*/
import java.awt.Color;
public class PixelizeFilter extends Filter
{
/**
* Constructor for objects of class PixelizeFilter.
* @param name The name of the filter.
*/
public PixelizeFilter(String name)
{
super(name);
}
/**
* Apply this filter to an image.
*
* @param image The image to be changed by this filter.
*/
public void apply(OFImage image)
{
final int PIXEL_SIZE = 5;
int width = image.getWidth();
int height = image.getHeight();
for(int y = 0; y < height; y += PIXEL_SIZE) {
for(int x = 0; x < width; x += PIXEL_SIZE) {
Color pix = image.getPixel(x, y);
for(int dy = y; dy < y + PIXEL_SIZE; dy++) {
for(int dx = x; dx < x + PIXEL_SIZE; dx++) {
if( dx < width && dy < height )
image.setPixel(dx, dy, pix);
}
}
}
}
}
}
Berikut adalah hasil nya :
Sekian Terimakasih :)
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