/*======== public void save() ==========
Inputs: String filename
Returns:
saves the bufferedImage as a png file with the given filename
====================*/
public void save(String filename) {
try {
File fn = new File(filename);
ImageIO.write(bi, "png", fn);
} catch (IOException e) {
}
}
/**
* Write a BufferedImage to a File.
*
* @param image image to be written
* @param fileName name of file to be created
* @exception IOException if an error occurs during writing
*/
public static void writeImage(BufferedImage image, String fileName) throws IOException {
if (fileName == null) return;
int offset = fileName.lastIndexOf(".");
String type = offset == -1 ? "png" : fileName.substring(offset + 1);
ImageIO.write(image, type, new File(fileName));
}
// we define the method for downloading when pressing on the download button
public void qrvidlink() {
try {
System.setSecurityManager(new SecurityManager());
ipadd = tfIP.getText();
Interface client = (Interface) Naming.lookup("rmi://" + ipadd + "/getvid");
// Get the String entered into the TextField tfInput, convert to int
link = tfInput.getText();
vlink = client.getvid(link);
// here we receive the image serialized into bytes from the server and
// saved it on the client as png image
byte[] bytimg = client.qrvid(vlink);
BufferedImage img = ImageIO.read(new ByteArrayInputStream(bytimg));
File outputfile = new File("qrcode.png");
ImageIO.write(img, "png", outputfile);
// img= new ImageIcon(bytimg.toByteArray());
} catch (Exception e) {
System.out.println("[System] Server failed: " + e);
}
}
protected void filePNG() {
JFileChooser chooser = null;
File pngFile = null;
if (currentFile == null) {
chooser = new JFileChooser(startDirectory);
} else {
pngFile = new File(currentFile.getName() + ".png");
chooser = new JFileChooser(pngFile);
if (!currentFile.isDirectory()) {
chooser.setSelectedFile(currentFile);
}
}
if (pngFile == null) return;
try {
BufferedImage image = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_INT_RGB);
paint(image.getGraphics());
ImageIO.write(image, "png", pngFile);
} catch (Exception e) {
}
return;
/* JFileChooser chooser = null;
File pngFile = null;
if (currentFile == null) {
chooser = new JFileChooser(startDirectory);
} else {
pngFile = new File(currentFile.getName()+".png");
chooser = new JFileChooser(pngFile);
if (!currentFile.isDirectory()) {
chooser.setSelectedFile(currentFile);
}
}
int returnVal = chooser.showSaveDialog(gw);
if (returnVal == JFileChooser.APPROVE_OPTION) {
File pngFile = chooser.getSelectedFile();
int maxX = Integer.MIN_VALUE;
int minX = Integer.MAX_VALUE;
int maxY = Integer.MIN_VALUE;
int minY = Integer.MAX_VALUE;
while(Node node : getNodes()) {
if(node.getX() > maxX) {
maxX = node.getX();
}
if(node.getX() < minX) {
minX = node.getX();
}
if(node.getY() > maxY) {
maxY = node.getY();
}
if(node.getY() < minY) {
minY = node.getY();
}
}
BufferedImage image = new BufferedImage(maxX-minX+50,maxY-minY+50,BufferedImage.TYPE_INT_RGB);
ImageIO.write(image,"png",pngFile);
}
*/ }
public void write() {
int navg = 8;
// int nshift=3;
bookend = 8;
numPgs = pdffile.getNumPages();
files = new File[numPgs];
int[] pixelsi = null;
long[] sum = null;
long[][] hist = null;
BufferedImage bimage = null;
// BufferedImage simage = null;
// float data[] = { 0.0625f, 0.125f, 0.0625f, 0.125f, 0.25f, 0.125f,
// 0.0625f, 0.125f, 0.0625f };
// Kernel kernel = new Kernel(3, 3, data);
// ConvolveOp convolve = new ConvolveOp(kernel, ConvolveOp.EDGE_NO_OP, null);
done(0);
for (int i = 0; i < numPgs; i++) {
if (i > MAXPAGE) break;
PDFPage page = getPage(i);
if (i == 0) {
w = (int) page.getBBox().getWidth();
h = (int) page.getBBox().getHeight();
rect = new Rectangle(0, 0, w, h);
// w /= 2; h /=2;
bimage = new BufferedImage(w, h, BufferedImage.TYPE_3BYTE_BGR);
// simage = new BufferedImage(w, h, BufferedImage.TYPE_3BYTE_BGR);
pixelsi = new int[h * w];
sum = new long[h * w];
hist = new long[navg][h * w];
for (int j = 0; j < h * w; j++) {
sum[j] = 0;
}
page1.countDown();
}
// generate page image
Image image = pdffile.getPage(i).getImage(w, h, rect, null, true, true);
// force complete loading
image = new ImageIcon(image).getImage();
// Copy image to buffered image
Graphics g = bimage.createGraphics();
// Paint the image onto the buffered image
g.drawImage(image, 0, 0, null);
g.dispose();
// extract pixels into array
bimage.getRGB(0, 0, w, h, pixelsi, 0, w);
// Accumulate rolling averages
int im = i % navg;
int ii = i - navg / 2; // middle of averaging range
for (int j = 0; j < h * w; j++) {
int p = pixelsi[j], q = 0;
// Expand packed 8x3 pixel to 16x3
long r = 0, r2 = 0;
r |= (p & 0xff);
r <<= 16;
p >>= 8;
r |= (p & 0xff);
r <<= 16;
p >>= 8;
r |= (p & 0xff);
r = ~r;
sum[j] += r; // rolling sum
if (i >= navg) { // we have enough to average
sum[j] -= hist[im][j]; // roll off the old
hist[im][j] = r;
r2 = (3 * sum[j] / navg + r) / 4;
r = ~r2;
} else {
hist[im][j] = r;
}
// Repack averaged pixel
q |= (r & 0xff);
q <<= 8;
r >>= 16;
q |= (r & 0xff);
q <<= 8;
r >>= 16;
q |= (r & 0xff);
// Average over number of images frames with a non-background pixel in this location.
// Note that we sum in complement space, so background is zero.
// if(i>=navg)
// nfg[j] -= fghist[im][j];
// nfg[j] += (fghist[im][j] = (q==-1) ? 0 : 1);
//
// // If all pixels in history were background, this is easy...
// if(nfg[j]==0)
// q = -1;
//
// else {
//
// if(i>=navg) sum[k]-=hist[im][k];
// hist[im][k] = ~(p&0xff);
// sum[k] += hist[im][k];
// if(i>=navg)
// q += ~(((sum[k]/nfg[j])*3 + hist[iim][k])>>2);
// else if(i>=navg/2)
// q += ~(sum[k]/nfg[j] + hist[i-navg/2][k])>>1;
// else
// q += ~(sum[k]/nfg[j]);
// k++; q<<=8; p>>=8;
//
// if(i>=navg) sum[k]-=hist[im][k];
// hist[im][k] = ~(p&0xff);
// sum[k] += hist[im][k];
// if(i>=navg)
// q += ~(((sum[k]/nfg[j])*3 + hist[iim][k])>>2);
// else if(i>=navg/2)
// q += ~((sum[k]/nfg[j] + hist[i-navg/2][k])>>1);
// else
// q += ~(sum[k]/nfg[j]);
// k++; q<<=8; p>>=8;
//
// if(i>=navg) sum[k]-=hist[im][k];
// hist[im][k] = ~(p&0xff);
// sum[k] += hist[im][k];
// if(i>=navg)
// q += ~(((sum[k]/nfg[j])*3 + hist[iim][k])>>2);
// else if(i>=navg/2)
// q += ~((sum[k]/nfg[j] + hist[i-navg/2][k])>>1);
// else
// q += ~(sum[k]/nfg[j]);
// k++;
// }
pixelsi[j] = q;
}
bimage = new BufferedImage(w, h, BufferedImage.TYPE_3BYTE_BGR);
bimage.setRGB(0, 0, w, h, pixelsi, 0, w);
// save it as a file
if (i >= navg) {
try {
ImageIO.write(bimage, "png", imageFile(0, ii + 1));
} catch (Exception e) {
throw new RuntimeException(e.getMessage());
}
}
done(ii + 1);
// System.err.println("Page " + i + " " + (System.currentTimeMillis()-t0)/1000.);
if (terminated) {
System.err.println("Prematurely terminated");
for (File f : files) f.delete();
tmpdir.delete();
break;
}
}
}
public void actionPerformed(ActionEvent e) {
String arg = (String) e.getActionCommand();
/** ******************** Open an Image **************** */
if (e.getSource() == m_Open) {
int returnVal = jfc.showOpenDialog(IPToolKit.this);
if (returnVal == JFileChooser.APPROVE_OPTION) {
file = jfc.getSelectedFile();
String path = file.getAbsolutePath();
// image = Toolkit.getDefaultToolkit().getImage(path);
try {
try {
inImage = new FileImageInputStream(file);
len = (int) inImage.length();
byteArray = new byte[len];
// System.out.println(len);
inImage.read(byteArray, 0, len);
image = Toolkit.getDefaultToolkit().createImage(byteArray);
MediaTracker t = new MediaTracker(this);
t.addImage(image, 0);
try {
t.waitForID(0);
} catch (Exception eeee) {
System.out.println(eeee);
}
w = image.getWidth(null);
h = image.getHeight(null);
// System.out.println(w+"\t"+h);
} catch (Exception fnfe) {
JOptionPane.showMessageDialog(this, "File: Not Found");
}
} catch (Exception ice) {
JOptionPane.showMessageDialog(this, "File I/O Error");
}
}
if (image != null) {
pix_temp = new int[h * w];
ImageIcon icon = new ImageIcon(image);
lbl_img.setIcon(icon);
setVisible(true);
}
pix_temp = pixel_grab(image, w, h);
pix_temp = pix_pack(pix_temp, w, h);
grayImageDisplay(w, h, pix_temp);
}
/** ****************** Add one image to another ************** */
if (e.getSource() == mAddImg) {
OpenImage2();
pix_temp1 = new int[w * h];
pix_res = new int[w * h];
pix_temp1 = pixel_grab(image1, w1, h1);
pix_temp1 = pix_pack(pix_temp1, w1, h1);
for (int s = 0; s < w * h; s++) {
pix_res[s] = pix_temp[s] + pix_temp1[s];
}
;
pix_temp1 = saturate(pix_temp1, w, h);
imageResultDisplay(w, h, pix_res);
}
/**
* *********************** Add Constant value and then use Satuartion technique ***************
*/
if (e.getSource() == mAddSat) {
String add_value;
Image img_add = image;
pixel_add = new int[w * h];
pixel_result = pixel_grab(img_add, w, h);
add_value = JOptionPane.showInputDialog("Enter Value you wish to add to the image");
int number = Integer.parseInt(add_value);
for (int r = 0; r < w * h; r++) {
pixel_add[r] = number + pixel_result[r];
}
pixel_add = saturate(pixel_add, w, h);
pixel_add = pix_pack(pixel_add, w, h);
imageResultDisplay(w, h, pixel_add);
}
/** ************ Add constant by Wrap Around technique ********** */
if (e.getSource() == mAddWrap) {
String add_value;
Image img_add = image;
pixel_add = new int[w * h];
pixel_result = pixel_grab(img_add, w, h);
add_value = JOptionPane.showInputDialog("Enter Value you wish to add to the image");
int number = Integer.parseInt(add_value);
for (int r = 0; r < w * h; r++) {
pixel_add[r] = number + pixel_result[r];
}
pixel_add = WrapAround(pixel_add, w, h);
pixel_add = pix_pack(pixel_add, w, h);
imageResultDisplay(w, h, pixel_add);
}
/** ****************** Subtract one image from another ************** */
if (e.getSource() == mSubImg) {
OpenImage2();
pix_temp1 = new int[w * h];
pix_res = new int[w * h];
pix_temp1 = pixel_grab(image1, w1, h1);
pix_temp1 = pix_pack(pix_temp1, w1, h1);
for (int s = 0; s < w * h; s++) {
pix_res[s] = pix_temp[s] - pix_temp1[s];
}
pix_temp1 = saturate(pix_temp1, w1, h1);
imageResultDisplay(w1, h1, pix_res);
}
/**
* *********************** Subtract Constant value and then use Satuartion technique
* ***************
*/
if (e.getSource() == mSubSat) {
String sub_value;
Image img_add = image;
pixel_sub = new int[w * h];
pixel_result = pixel_grab(img_add, w, h);
sub_value = JOptionPane.showInputDialog("Enter Value you wish to subtract from the image");
int number = Integer.parseInt(sub_value);
for (int r = 0; r < w * h; r++) {
pixel_sub[r] = pixel_result[r] - number;
}
pixel_sub = saturate(pixel_sub, w, h);
pixel_sub = pix_pack(pixel_sub, w, h);
imageResultDisplay(w, h, pixel_sub);
}
/** ************ Subtract constant by Wrap Around technique ********** */
if (e.getSource() == mSubWrap) {
String sub_value;
Image img_add = image;
pixel_sub = new int[w * h];
pixel_result = pixel_grab(img_add, w, h);
sub_value = JOptionPane.showInputDialog("Enter Value you wish to add to the image");
int number = Integer.parseInt(sub_value);
for (int r = 0; r < w * h; r++) {
pixel_sub[r] = pixel_result[r] - number;
}
pixel_sub = WrapAround(pixel_sub, w, h);
pixel_sub = pix_pack(pixel_sub, w, h);
imageResultDisplay(w, h, pixel_sub);
}
/** ****************** Multiply one image with another ************** */
if (e.getSource() == mMulImg) {
OpenImage2();
pix_temp1 = new int[w * h];
pix_res = new int[w * h];
pix_temp1 = pixel_grab(image1, w1, h1);
pix_temp1 = pix_pack(pix_temp1, w1, h1);
for (int s = 0; s < w * h; s++) {
pix_res[s] = pix_temp[s] * pix_temp1[s];
}
pix_temp1 = saturate(pix_temp1, w1, h1);
imageResultDisplay(w1, h1, pix_res);
}
/**
* *********************** Multiply Constant value and then use Satuartion technique
* ***************
*/
if (e.getSource() == mMulSat) {
String mul_value;
Image img_mul = image;
pixel_mul = new int[w * h];
pixel_result = pixel_grab(img_mul, w, h);
mul_value = JOptionPane.showInputDialog("Enter Value you wish to multiply to the image");
int number = Integer.parseInt(mul_value);
for (int r = 0; r < w * h; r++) {
pixel_mul[r] = pixel_result[r] * number;
}
pixel_mul = saturate(pixel_mul, w, h);
pixel_mul = pix_pack(pixel_mul, w, h);
imageResultDisplay(w, h, pixel_mul);
}
/** ************ Multiply constant by Wrap Around technique ********** */
if (e.getSource() == mMulWrap) {
String mul_value;
Image img_mul = image;
pixel_mul = new int[w * h];
pixel_result = pixel_grab(img_mul, w, h);
mul_value = JOptionPane.showInputDialog("Enter Value you wish to multiply to the image");
int number = Integer.parseInt(mul_value);
for (int r = 0; r < w * h; r++) {
pixel_mul[r] = pixel_result[r] * number;
}
pixel_mul = WrapAround(pixel_mul, w, h);
pixel_mul = pix_pack(pixel_mul, w, h);
imageResultDisplay(w, h, pixel_mul);
}
/** ****************** Divide one image by another ************** */
if (e.getSource() == mDivImg) {
OpenImage2();
pix_temp1 = new int[w * h];
pix_res = new int[w * h];
pix_temp1 = pixel_grab(image1, w1, h1);
pix_temp1 = pix_pack(pix_temp1, w1, h1);
for (int s = 0; s < w * h; s++) {
pix_res[s] = pix_temp1[s] / pix_temp[s];
}
// pix_temp1 = saturate(pix_temp1,w1,h1);
pix_temp1 = WrapAround(pix_temp1, w, h);
imageResultDisplay(w1, h1, pix_res);
}
/**
* *********************** Divide by Constant value and then use Saturation technique
* ***************
*/
if (e.getSource() == mDivSat) {
String div_value;
Image img_add = image;
pixel_div = new int[w * h];
pixel_result = pixel_grab(img_add, w, h);
div_value = JOptionPane.showInputDialog("Enter value to divide the image by");
int number = Integer.parseInt(div_value);
for (int r = 0; r < w * h; r++) {
pixel_div[r] = pixel_result[r] / number;
}
pixel_div = saturate(pixel_div, w, h);
pixel_div = pix_pack(pixel_div, w, h);
imageResultDisplay(w, h, pixel_div);
}
/** ************ Divide constant by Wrap Around technique ********** */
if (e.getSource() == mDivWrap) {
String div_value;
Image img_add = image;
pixel_div = new int[w * h];
pixel_result = pixel_grab(img_add, w, h);
div_value = JOptionPane.showInputDialog("Enter value to divide image by");
int number = Integer.parseInt(div_value);
for (int r = 0; r < w * h; r++) {
pixel_div[r] = pixel_result[r] / number;
}
pixel_div = WrapAround(pixel_div, w, h);
pixel_div = pix_pack(pixel_div, w, h);
imageResultDisplay(w, h, pixel_div);
}
/** ******************** Thresholding ************* */
if (e.getSource() == mThreshold) {
String thresh_value;
Image img_add = image;
pixel_result = pixel_grab(img_add, w, h);
thresh_value = JOptionPane.showInputDialog("Enter value to threshold the image");
int number = Integer.parseInt(thresh_value);
for (int r = 0; r < w * h; r++) {
if (pixel_result[r] >= number) pixel_result[r] = 255;
else if (pixel_result[r] <= number) pixel_result[r] = 0;
}
pixel_result = pix_pack(pixel_result, w, h);
imageResultDisplay(w, h, pixel_result);
}
if (e.getSource() == m_Save) {
FileImageOutputStream src_img;
int returnVal = jfc.showSaveDialog(IPToolKit.this);
if (returnVal == JFileChooser.APPROVE_OPTION) {
File fileR = jfc.getSelectedFile();
String fileToSave = file.getAbsolutePath();
if (!fileToSave.toLowerCase().endsWith(".jpg")) {
fileR = new File(fileToSave + ".jpg");
}
try {
src_img = new FileImageOutputStream(fileR);
buf_img = getImageFromArray(pixel_result, w, h);
ImageIO.write(buf_img, "jpg", src_img);
} catch (IOException ex8) {
System.out.println(ex8);
}
}
// }
}
/** ***************************** Increase brightness **************** */
if (e.getSource() == mBright) {
String bright_value;
Image img_add = image;
pixel_result = pixel_grab(img_add, w, h);
bright_value = JOptionPane.showInputDialog("Enter value to increase brightness");
int number = Integer.parseInt(bright_value);
for (int r = 0; r < w * h; r++) {
pixel_result[r] = pixel_result[r] + number;
}
pixel_result = saturate(pixel_result, w, h);
pixel_result = pix_pack(pixel_result, w, h);
imageResultDisplay(w, h, pixel_result);
}
/** ****************** Contrast Strtching *************** */
if (e.getSource() == mContrast) {
String cont_value1, cont_value2;
Image img_add = image;
pixel_cont = new int[w * h];
pixel_result = pixel_grab(img_add, w, h);
cont_value1 = JOptionPane.showInputDialog("Enter lower limit for contrast stretch");
int number = Integer.parseInt(cont_value1);
cont_value2 = JOptionPane.showInputDialog("Enter higher limit for contrast stretch");
int number1 = Integer.parseInt(cont_value2);
for (int r = 0; r < w * h; r++) {
if (pixel_result[r] <= number1) {
pixel_cont[r] = pixel_result[r] - 50;
if (pixel_cont[r] < 0) pixel_cont[r] = 0;
} else if (pixel_result[r] >= number) {
pixel_cont[r] = pixel_result[r] + 50;
if (pixel_cont[r] > 255) pixel_cont[r] = 255;
} else pixel_cont[r] = pixel_result[r];
}
pixel_cont = saturate(pixel_cont, w, h);
pixel_cont = pix_pack(pixel_cont, w, h);
imageResultDisplay(w, h, pixel_cont);
}
/** ******************* Low Pass Filter ****************** */
if (e.getSource() == mlowPass) {
int mask[][] = {{1, 1, 1}, {1, 1, 1}, {1, 1, 1}};
pixel_result = pixel_grab(image, w, h);
int pix_tempLow[][] = new int[h][w];
pix_tempLow = OneD_ArrayToTwoD_Array(w, h, pixel_result);
pix_tempLow = MaskOperation(w, h, pix_tempLow, mask);
int pix_temp1D[] = new int[(w) * (h)];
pix_temp1D = TwoD_ArrayToOneD_Array(w, h, pix_tempLow);
pix_temp1D = restrict(pix_temp1D);
pix_temp1D = pix_pack(pix_temp1D, w - 2, h - 2);
imageResultDisplay(w - 2, h - 2, pix_temp1D);
}
/** ********************* High Pass Filter *************** */
if (e.getSource() == mhighPass) {
int mask[][] = {{-1, -1, -1}, {-1, 8, -1}, {-1, -1, -1}};
pixel_result = pixel_grab(image, w, h);
int pix_tempLow[][] = new int[h][w];
pix_tempLow = OneD_ArrayToTwoD_Array(w, h, pixel_result);
pix_tempLow = MaskOperation(w, h, pix_tempLow, mask);
int pix_temp1D[] = new int[(w) * (h)];
pix_temp1D = TwoD_ArrayToOneD_Array(w, h, pix_tempLow);
pix_temp1D = saturate(pix_temp1D, w - 2, h - 2);
pix_temp1D = restrict(pix_temp1D);
pix_temp1D = pix_pack(pix_temp1D, w - 2, h - 2);
imageResultDisplay(w - 2, h - 2, pix_temp1D);
}
/** *************************** High Boost Filter **************** */
if (e.getSource() == mhighBoost) {
int mask[][] = {{-1, -1, -1}, {-1, 9, -1}, {-1, -1, -1}};
pixel_result = pixel_grab(image, w, h);
int pix_tempLow[][] = new int[h][w];
pix_tempLow = OneD_ArrayToTwoD_Array(w, h, pixel_result);
pix_tempLow = MaskOperation(w, h, pix_tempLow, mask);
int pix_temp1D[] = new int[(w) * (h)];
pix_temp1D = TwoD_ArrayToOneD_Array(w, h, pix_tempLow);
pix_temp1D = saturate(pix_temp1D, w - 2, h - 2);
pix_temp1D = restrict(pix_temp1D);
pix_temp1D = pix_pack(pix_temp1D, w - 2, h - 2);
imageResultDisplay(w - 2, h - 2, pix_temp1D);
}
if (e.getSource() == m_Save) {
for (int i = 0; i < w * h; i++) {
System.out.println(pixel_result[i]);
}
FileImageOutputStream src_img;
int returnVal = jfc.showSaveDialog(IPToolKit.this);
if (returnVal == JFileChooser.APPROVE_OPTION) {
File fileR = jfc.getSelectedFile();
String fileToSave = file.getAbsolutePath();
if (!fileToSave.toLowerCase().endsWith(".jpg")) {
fileR = new File(fileToSave + ".jpg");
}
try {
src_img = new FileImageOutputStream(fileR);
buf_img = getImageFromArray(pixel_result, w, h);
ImageIO.write(buf_img, "jpg", src_img);
} catch (IOException ex8) {
System.out.println(ex8);
}
}
}
/** ********************* Invert and image ************ */
if (e.getSource() == mInvert) {
Image img_Invert = image;
pixel_result = new int[w * h];
pixel_result = pixel_grab(img_Invert, w, h);
for (int r = 0; r < w * h; r++) {
pixel_result[r] = 255 - pixel_result[r];
}
// pixel_div = saturate(pixel_div,w,h);
pixel_result = pix_pack(pixel_result, w, h);
imageResultDisplay(w, h, pixel_result);
}
/** *************************** Median Filter **************** */
if (arg.equals("Median")) {
int[] pix_grabed = new int[w * h];
int[][] p2d = new int[h][w];
int[][] pp2d = new int[h][w];
int pix_pcked[] = new int[w * h];
int pres[] = new int[h * w];
pix_grabed = pixel_grab(image, w, h);
p2d = OneD_ArrayToTwoD_Array(w, h, pix_grabed);
pp2d = median_filter(p2d);
pres = TwoD_ArrayToOneD_Array(w, h, pp2d);
pix_pcked = pix_pack(pres, w - 2, h - 2);
imageResultDisplay(w - 2, h - 2, pix_pcked);
}
/** ********************** Prewits Horizontal Edge Detection ******************* */
if (arg.equals("Prewits Horizontal")) {
int[] pix_grabed = new int[w * h];
int[][] p2d = new int[h][w];
int[][] pp2d = new int[h][w];
int pix_pcked[] = new int[w * h];
int pres[] = new int[h * w];
int mask[][] = {{-1, -1, -1}, {0, 0, 0}, {1, 1, 1}};
pix_grabed = pixel_grab(image, w, h);
p2d = OneD_ArrayToTwoD_Array(w, h, pix_grabed);
pp2d = MaskOperation(w, h, p2d, mask);
pres = TwoD_ArrayToOneD_Array(w, h, pp2d);
pres = saturate(pres, w - 2, h - 2);
pres = restrict(pres);
pix_pcked = pix_pack(pres, w - 2, h - 2);
imageResultDisplay(w - 2, h - 2, pix_pcked);
}
/** ********************** Prewits Vertical Edge Detection ******************* */
if (arg.equals("Prewits Vertical")) {
int[] pix_grabed = new int[w * h];
int[][] p2d = new int[h][w];
int[][] pp2d = new int[h][w];
int pix_pcked[] = new int[w * h];
int pres[] = new int[h * w];
int mask[][] = {{-1, 0, 1}, {-1, 0, 1}, {-1, 0, 1}};
pix_grabed = pixel_grab(image, w, h);
p2d = OneD_ArrayToTwoD_Array(w, h, pix_grabed);
pp2d = MaskOperation(w, h, p2d, mask);
pres = TwoD_ArrayToOneD_Array(w, h, pp2d);
pres = saturate(pres, w - 2, h - 2);
pres = restrict(pres);
pix_pcked = pix_pack(pres, w - 2, h - 2);
imageResultDisplay(w - 2, h - 2, pix_pcked);
}
/** ********************** Prewits Edge Detection ******************* */
if (arg.equals("Prewits Both")) {
int[] pix_grabed = new int[w * h];
int[][] p2d = new int[h][w];
int[][] pp2d = new int[h][w];
int pix_pcked[] = new int[w * h];
int pres1[] = new int[h * w];
int pres2[] = new int[h * w];
int pres[] = new int[h * w];
int mask1[][] = {{-1, -1, -1}, {0, 0, 0}, {1, 1, 1}};
pix_grabed = pixel_grab(image, w, h);
p2d = OneD_ArrayToTwoD_Array(w, h, pix_grabed);
pp2d = MaskOperation(w, h, p2d, mask1);
pres1 = TwoD_ArrayToOneD_Array(w, h, pp2d);
pres1 = saturate(pres1, w - 2, h - 2);
pres1 = restrict(pres1);
int mask2[][] = {{-1, 0, 1}, {-1, 0, 1}, {-1, 0, 1}};
p2d = OneD_ArrayToTwoD_Array(w, h, pix_grabed);
pp2d = MaskOperation(w, h, p2d, mask2);
pres2 = TwoD_ArrayToOneD_Array(w, h, pp2d);
pres2 = saturate(pres2, w - 2, h - 2);
pres2 = restrict(pres2);
for (int i = 0; i < ((h - 2) * (w - 2)); i++) {
pres[i] = pres1[i] + pres2[i];
}
pix_pcked = pix_pack(pres, w - 2, h - 2);
imageResultDisplay(w - 2, h - 2, pix_pcked);
}
/** ********************** Sobel Horizontal Edge Detection ******************* */
if (arg.equals("Sobel Horizontal")) {
int[] pix_grabed = new int[w * h];
int[][] p2d = new int[h][w];
int[][] pp2d = new int[h][w];
int pix_pcked[] = new int[w * h];
int pres[] = new int[h * w];
int mask[][] = {{-1, -2, -1}, {0, 0, 0}, {1, 2, 1}};
pix_grabed = pixel_grab(image, w, h);
p2d = OneD_ArrayToTwoD_Array(w, h, pix_grabed);
pp2d = MaskOperation(w, h, p2d, mask);
pres = TwoD_ArrayToOneD_Array(w, h, pp2d);
pres = saturate(pres, w - 2, h - 2);
pres = restrict(pres);
pix_pcked = pix_pack(pres, w - 2, h - 2);
imageResultDisplay(w - 2, h - 2, pix_pcked);
}
/** ********************** Sobel Vertical Edge Detection ******************* */
if (arg.equals("Sobel Vertical")) {
int[] pix_grabed = new int[w * h];
int[][] p2d = new int[h][w];
int[][] pp2d = new int[h][w];
int pix_pcked[] = new int[w * h];
int pres[] = new int[h * w];
int mask[][] = {{-1, 0, 1}, {-2, 0, 2}, {-1, 0, 1}};
pix_grabed = pixel_grab(image, w, h);
p2d = OneD_ArrayToTwoD_Array(w, h, pix_grabed);
pp2d = MaskOperation(w, h, p2d, mask);
pres = TwoD_ArrayToOneD_Array(w, h, pp2d);
pres = saturate(pres, w - 2, h - 2);
pres = restrict(pres);
pix_pcked = pix_pack(pres, w - 2, h - 2);
imageResultDisplay(w - 2, h - 2, pix_pcked);
}
/** ********************** Sobel Edge Detection ******************* */
if (arg.equals("Sobel Both")) {
int[] pix_grabed = new int[w * h];
int[][] p2d = new int[h][w];
int[][] pp2d = new int[h][w];
int pix_pcked[] = new int[w * h];
int pres1[] = new int[h * w];
int pres2[] = new int[h * w];
int pres[] = new int[h * w];
int mask1[][] = {{-1, -2, -1}, {0, 0, 0}, {1, 2, 1}};
pix_grabed = pixel_grab(image, w, h);
p2d = OneD_ArrayToTwoD_Array(w, h, pix_grabed);
pp2d = MaskOperation(w, h, p2d, mask1);
pres1 = TwoD_ArrayToOneD_Array(w, h, pp2d);
pres1 = saturate(pres1, w - 2, h - 2);
pres1 = restrict(pres1);
int mask2[][] = {{-1, 0, 1}, {-2, 0, 2}, {-1, 0, 1}};
p2d = OneD_ArrayToTwoD_Array(w, h, pix_grabed);
pp2d = MaskOperation(w, h, p2d, mask2);
pres2 = TwoD_ArrayToOneD_Array(w, h, pp2d);
pres2 = saturate(pres2, w - 2, h - 2);
pres2 = restrict(pres2);
for (int i = 0; i < ((h - 2) * (w - 2)); i++) {
pres[i] = pres1[i] + pres2[i];
}
pix_pcked = pix_pack(pres, w - 2, h - 2);
imageResultDisplay(w - 2, h - 2, pix_pcked);
}
/** ********************** Roberts Edge Detection ******************* */
if (arg.equals("Roberts")) {
int[] pix_grabed = new int[w * h];
int[][] p2d = new int[h][w];
int[][] pp2d = new int[h][w];
int pix_pcked[] = new int[w * h];
int pres[] = new int[h * w];
int mask[][] = {{1, 0}, {0, -1}};
pix_grabed = pixel_grab(image, w, h);
p2d = OneD_ArrayToTwoD_Array(w, h, pix_grabed);
for (int i = 1; i < h - 1; i++) {
for (int j = 1; j < w - 1; j++) {
pp2d[i][j] =
((mask[0][0] * p2d[i - 1][j - 1] + mask[1][0] * p2d[i + 1][j - 1])
+ (mask[0][1] * p2d[i - 1][j + 1] + mask[1][1] * p2d[i + 1][j + 1]))
/ 2;
}
}
pres = TwoD_ArrayToOneD_Array(w, h, pp2d);
pres = saturate(pres, w - 2, h - 2);
pix_pcked = pix_pack(pres, w - 2, h - 2);
imageResultDisplay(w - 2, h - 2, pix_pcked);
}
/** ********************** Mean Filter ******************* */
if (arg.equals("Mean")) {
int[] pix_grabed = new int[w * h];
int[][] p2d = new int[h][w];
int[][] pp2d = new int[h][w];
int pix_pcked[] = new int[w * h];
int pres[] = new int[h * w];
pix_grabed = pixel_grab(image, w, h);
p2d = OneD_ArrayToTwoD_Array(w, h, pix_grabed);
pp2d = mean_filt(p2d);
pres = TwoD_ArrayToOneD_Array(w, h, pp2d);
pix_pcked = pix_pack(pres, w - 2, h - 2);
imageResultDisplay(w - 2, h - 2, pix_pcked);
}
/** ********************** Laplacian Edge Detector ******************* */
if (arg.equals("Laplacian")) {
int[] pix_grabed = new int[w * h];
int[][] p2d = new int[h][w];
int[][] pp2d = new int[h][w];
int pix_pcked[] = new int[w * h];
int pres[] = new int[h * w];
int mask[][] = {{0, -2, 0}, {-2, 8, -2}, {0, -2, 0}};
pix_grabed = pixel_grab(image, w, h);
p2d = OneD_ArrayToTwoD_Array(w, h, pix_grabed);
pp2d = MaskOperation(w, h, p2d, mask);
pres = TwoD_ArrayToOneD_Array(w, h, pp2d);
pres = saturate(pres, w - 2, h - 2);
pres = restrict(pres);
pix_pcked = pix_pack(pres, w - 2, h - 2);
imageResultDisplay(w - 2, h - 2, pix_pcked);
}
/** ********************** Histogram Equalization ******************* */
if (arg.equals("Histogram Equalization")) {
int[] pix_grabed = new int[h * w];
int pres[] = new int[h * w];
int cnt_pix[] = new int[256];
int pixx[] = new int[h * w];
int pix_pcked[] = new int[h * w];
int pix_res[] = new int[h * w];
int len = h * w;
int res = 0;
pix_grabed = pixel_grab(image, w, h);
for (int i = 0; i < h * w; i++) {
pixx[i] = pix_grabed[i];
}
for (int i = 0; i < 256; i++) {
cnt_pix[i] = 0;
}
for (int i = 0; i < len; i++) {
int ind = pixx[i];
cnt_pix[ind]++;
}
for (int i = 0; i < w * h; i++) {
float a = 0;
for (int j = 0; j < (pixx[i] + 1); j++) {
float b = (float) cnt_pix[j];
float c = (float) (h * w);
a = a + (b / c);
}
res = (int) (a * 255);
if (res > 255) res = 255;
pix_res[i] = (0xff000000 | (res << 16) | (res << 8) | res);
}
pix_pcked = pix_pack(pix_res, w, h);
imageResultDisplay(w, h, pix_pcked);
}
if (arg.equals("Connected Component")) {
int pix_grabed[] = new int[h * w];
int p2d[][] = new int[h][w];
conect_input = new int[h][w];
conect_output = new int[h][w];
int x1 = x_cor;
int y1 = y_cor;
pix_grabed = pixel_grab(image, w, h);
p2d = OneD_ArrayToTwoD_Array(w, h, pix_grabed);
s = 0;
t = 0;
obj_size = 0;
intensity = p2d[y1][x1];
for (int i = 0; i < h; i++) {
for (int j = 0; j < w; j++) {
conect_input[i][j] = p2d[i][j];
conect_output[i][j] = 0;
}
}
connect(y1, x1);
int pixx[] = new int[h * w];
int pp[] = new int[h * w];
pixx = TwoD_ArrayToOneD_Array(w, h, conect_output);
pixx = saturate(pixx, w - 2, h - 2);
pp = pix_pack(pixx, w - 2, h - 2);
imageResultDisplay(w - 2, h - 2, pp);
}
/** ********************** Blending ******************* */
if (arg.equals("Blending")) {
int size;
int hei, wid;
if (h1 > h) hei = h1;
else hei = h;
if (w1 > w) wid = w1;
else wid = w;
size = hei * wid;
int pix_img1[] = new int[size];
int pix_img2[] = new int[size];
int pix_res[] = new int[size];
int pixx[] = new int[h1 * w1];
double x = 0.5;
pix_img1 = pixel_grab(image, w, h);
OpenImage2();
pix_img2 = pixel_grab(image1, w1, h1);
// grayImageDisplay(w1,h1,pixx)
for (int i = 0; i < size; i++) {
pix_res[i] = (int) ((x * pix_img1[i]) + ((1 - x) * (pix_img2[i])));
}
int pix_pcked[] = new int[size];
pix_pcked = pix_pack(pix_res, wid, hei);
imageResultDisplay(wid, hei, pix_pcked);
}
/** ****************** Quit OR Exit **************** */
if (arg.equals("Exit")) {
System.exit(0);
}
}