import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
class ImgMod8 extends Frame {
String msg = "";
int mX1 = 150;
int mY1 = 150;
int mX2 = 0;
int mY2 = 0;
int turn = 1;
static int dst = 0;
double sum = 0.0;
int count;
Image rawImg;
int imgCols;//Number of horizontal pixels
int imgRows;//Number of rows of pixels
Image modImg;//Reference to modified image
//Inset values for the Frame
int inTop;
int inLeft;
//To add only one picture at a time
int ig = 1;
//This program will be executed to process the
// if the name of another program is not
// entered on the command line.
static String theProcessingClass = "PrintMouse5";
// This image file will be processed if another file name is
// not entered on the command line.
static String theImgFile = "white.gif";
MediaTracker tracker;
Display display = new Display();//A Canvas
Button replotButton = new Button("Replot");
//References to arrays that store pixel data.
int[][][] threeDPix;
int[][][] threeDPixMod;
int[] oneDPix;
//Reference to the image-processing object.
ImgIntfc04 imageProcessingObject;
//-------------------------------------------//
public static void main(String[] args){
// Program supports gif files and jpg files
// and possibly some other file types as well.
if(args.length == 0){
//Use default processing class and default image file. No code required here.
// Class and file names were specified above.
}else if(args.length == 1){
theProcessingClass = args[0];
//Use default image file
}else if(args.length == 2){
theProcessingClass = args[0];
theImgFile = args[1];
}else if(args.length == 3){
theProcessingClass = args[0];
theImgFile = args[1];
dst = Integer.parseInt(args[2]);
}else{
System.out.println("Invalid args");
System.exit(1);
}//end else
//Display name of processing program and
// image file.
System.out.println("Processing program: " + theProcessingClass);
System.out.println("Image file: " + theImgFile);
//Instantiate an object of this class
ImgMod8 obj = new ImgMod8();
}//end main
//-------------------------------------------//
public ImgMod8(){//constructor
//Get an image from the specified file. Can
// be in a different directory if the path
// was entered with the file name on the command line.
rawImg = Toolkit.getDefaultToolkit().getImage(theImgFile);
//Use a MediaTracker object to block until
// the image is loaded or ten seconds has elapsed.
tracker = new MediaTracker(this);
tracker.addImage(rawImg,1);
try{
if(!tracker.waitForID(1,10000)){
System.out.println("Load error.");
System.exit(1);
}//end if
}catch(InterruptedException e){
e.printStackTrace();
System.exit(1);
}//end catch
//Make certain that the file was successfully
// loaded.
if((tracker.statusAll(false) & MediaTracker.ERRORED & MediaTracker.ABORTED) != 0){
System.out.println("Load errored or aborted");
System.exit(1);
}//end if
//Raw image has been loaded. Get width and
// height of the raw image.
imgCols = rawImg.getWidth(this);
imgRows = rawImg.getHeight(this);
this.setTitle("Get Pixel Distance");
this.setBackground(Color.YELLOW);
this.add(display);
this.add(replotButton,BorderLayout.SOUTH);
//Make it possible to get insets and the
// height of the button.
setVisible(true);
//Get and store inset data for the Frame and
// the height of the button.
inTop = this.getInsets().top;
inLeft = this.getInsets().left;
int buttonHeight = replotButton.getSize().height;
//Size the frame so that a small amount of
// yellow background will show on the right
// and on the bottom when both images are
// displayed, one above the other. Also, the
// placement of the images on the Canvas
// causes a small amount of background to
// show between the images.
this.setSize(inLeft+imgCols + 1,inTop + buttonHeight + imgRows + 7);
//=========================================//
//Anonymous inner class listener for replot
// button. This actionPerformed method is
// invoked when the user clicks the Replot
// button. It is also invoked at startup
// when this program posts an ActionEvent to
// the system event queue attributing the
// event to the Replot button.
replotButton.addActionListener(
new ActionListener(){
public void actionPerformed(ActionEvent e){
//Calculate distance
double a = mX1-mX2;
double b = mY1-mY2;
sum=(Math.sqrt(a*a+b*b)) ;
System.out.println("This Distance is: " + sum);
//Pass a 3D array of pixel data to the
// processing object and get a modified 3D array of pixel data back.
threeDPixMod = imageProcessingObject.processImg(threeDPix, imgRows, imgCols, mX2, mY2);
//Convert the modified pixel data to a
// 1D array of pixel data.
oneDPix = convertToOneDim(threeDPixMod,imgCols,imgRows);
//Use the createImage() method to
// create a new image from the 1D array of pixel data.
modImg = createImage(new MemoryImageSource(imgCols,imgRows,oneDPix,0,imgCols));
//Repaint the image display frame with
// the original image at the top and
// the modified pixel data at the bottom.
display.repaint();
}//end actionPerformed
}//end ActionListener
);//end addActionListener
//End anonymous inner class.
//=========================================//
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