Java实现将二进制文件显示为图片（SU中的ximage）

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JFrame;
import javax.swing.JButton;
import java.util.Random;
import javax.swing.BorderFactory;
import java.io.*;
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.GridBagLayout;
import java.awt.Toolkit;
import java.awt.Font;
import javax.swing.border.EmptyBorder;
import java.awt.Insets;
import javax.swing.Box;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.BoxLayout;
import javax.swing.JTextField;

import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JFileChooser;
import javax.swing.filechooser.FileFilter;
import javax.swing.filechooser.FileNameExtensionFilter;

import java.awt.GridBagConstraints;

import javax.swing.JPopupMenu;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;

import java.awt.FileDialog;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import java.awt.event.MouseMotionAdapter;

import java.awt.event.MouseWheelListener;

import java.awt.event.MouseWheelEvent;
import java.awt.RenderingHints;
import java.awt.BasicStroke;

import java.awt.Point;

import javax.swing.event.DocumentEvent;

import javax.swing.event.DocumentListener;

import javax.swing.JOptionPane;
//a#################################
//a##
//a##  myXimageJPanel for myXimageJFrame
//a##
//a#################################
class myXimageJPanel extends JPanel {

private int nx,xbeg,nz;
private int width,height;

private String filename;

private float[] Itemp;
private float[] Image;

private float imax, imin;

/*small paint*/
private int minX ;
private int minZ ;
private int maxX ;
private int maxZ ;

1169e
myXimageJPanel(int nx,int xbeg, int nz,int width,int height, String filename
,int minX, int minZ, int maxX, int maxZ){

this.nx = nx;
this.xbeg = xbeg;
this.nz = nz;
this.width = width;
this.height = height;
this.filename = filename;
this.minX = minX;
this.minZ = minZ;
this.maxX = maxX;
this.maxZ = maxZ;

Itemp = new float[nx*nz];
Image = new float[nx*nz];

//setSize(width,height);
setPreferredSize(new Dimension(width-20,height-20));

readFile(xbeg);
getMaxMin();

}

/* get min & max */
public void getMaxMin(){

imax = imin = Image[0];
for(int i=0;i<nx*nz;i++){

if(imin>Image[i])imin=Image[i];
if(imax<Image[i])imax=Image[i];
}
}

/* read file */
public void readFile(int nskip){
DataInputStream fp = null;
try{
if(!new File(filename).exists()){

System.out.println("The "+filename+" dont't exists");
return;

}

fp = new DataInputStream(new FileInputStream(new File(filename)));
int i = 0;
fp.skip(301*4*nskip);
while(fp.available()>0&&i<nx*nz){

Itemp[i++] = fp.readFloat();
Image[i-1]=swap(Itemp[i-1]);

}

}catch(Exception e){

e.printStackTrace();

}
}
/* swap */
public static float swap (float value){

int intValue = Float.floatToRawIntBits (value);
intValue = swap (intValue);
return Float.intBitsToFloat (intValue);
}
public static int swap (int value){

int b1 = (value >>  0) & 0xff;

int b2 = (value >>  8) & 0xff;

int b3 = (value >> 16) & 0xff;

int b4 = (value >> 24) & 0xff;

return b1 << 24 | b2 << 16 | b3 << 8 | b4 << 0;

}
/* paint */
public void paintComponent(Graphics g) {

super.paintComponent(g);

Graphics2D g2d = (Graphics2D) g;
g2d.setColor(Color.blue);

drawRuler(g2d);

Dimension size = getSize();
Insets insets = getInsets();

int[] rgb = new int[3];

for (int ix = minX; ix<maxX; ix ++)
for (int iz = minZ; iz<maxZ; iz ++){

int i = ix*nz+iz;

/* gray */
rgb[0] = rgb[1] = rgb[2] = (int)( 1.0f*(255-(Image[i]-imin)*255.0f/(imax-imin)) );

/* red blue */
//rgb[0] = (int)( 1.0f*(255-(Image[i]-imin)*255.0f/(imax-imin)) );
//rgb[1] = (int)( Image[i]>=0?(255-Image[i]/imax*255.0f):(255-Image[i]/imin*255.0f) );
//rgb[2] = (int)( 1.0f*(255-(Image[i]-imin)*255.0f/(imax-imin)) );

int R = (int)( rgb[0] );
int G = (int)( rgb[1] );
int B = (int)( rgb[2] );

g2d.setColor(new Color(R, G, B) );

float radiox = (float)(getWidth()-20)/(float)(maxX-minX);
float radioz = (float)(getHeight()-20)/(float)(maxZ-minZ);

int drawx = (int)((float)(ix-minX)*radiox);
int drawz = (int)((float)(iz-minZ)*radioz);

for(int j=0;j<=(int)(radiox);j++)
for(int k=0;k<=(int)(radioz);k++)
g2d.drawLine(drawx+j+20, drawz+k+20, drawx+j+20, drawz+k+20);

}
//repaint();

}
/* ruler */
public void drawRuler(Graphics2D g) {

int height = getSize().height;

int width = getSize().width;

for (int iz=height; iz > 0; iz--) {

int pos = (iz-height);

if (pos % 50 == 0) {

if(iz>=20)g.drawLine(0, iz, 20, iz);

}else if (pos % 10 == 0) {

if(iz>=20)g.drawLine(10, iz, 20, iz);

}else if (pos % 2 == 0) {

if(iz>=20)g.drawLine(15, iz, 20, iz);

}

}

for (int ix=0; ix < width; ix++) {

if (ix % 50 == 0) {

if(ix>=20)g.drawLine(ix, 0, ix, 20);

}else if (ix % 10 == 0) {

if(ix>=20)g.drawLine(ix, 10, ix, 20);

}else if (ix % 2 == 0) {

if(ix>=20)g.drawLine(ix, 15, ix, 20);

}

}

}
}
//a#################################
//a##
//a##  myXimageJFrame
//a##
//a#################################
class myXimageJFrame extends JFrame{

private Toolkit toolkit;

private myXimageJPanel myximageJPanel;

private File FileSave;

myXimageJFrame(int nx,int xbeg, int ny, String filename, String title
,int minX, int minZ, int maxX, int maxZ){

final FileDialog FileDialogSave;

setTitle(filename);
setSize(500, 600);
setLocationRelativeTo(null);
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);

toolkit = getToolkit();
Dimension size = toolkit.getScreenSize();
setLocation((size.width/2 - getWidth())/2, (size.height - getWidth())/2);

/* menu: save, close */
JMenuBar JMenuBarSave;
JMenu JMenuSave;
JMenuItem JMenuItemSaveClose,JMenuItemSaveSave;

JMenuBarSave=new JMenuBar();
JMenuSave=new JMenu("File");
JMenuItemSaveSave=new JMenuItem("Save");
JMenuItemSaveClose=new JMenuItem("Close");

JMenuSave.add(JMenuItemSaveSave);
JMenuSave.add(JMenuItemSaveClose);
JMenuBarSave.add(JMenuSave);

setJMenuBar(JMenuBarSave);

JMenuItemSaveClose.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
dispose();
}
});

FileDialogSave = new FileDialog(this, "Save", FileDialog.SAVE);
JMenuItemSaveSave.addActionListener(new ActionListener() {

@Override
public void actionPerformed(ActionEvent e) {
if(FileSave==null){
FileDialogSave.setVisible(true);
String dirPath=FileDialogSave.getDirectory();
String fileName=FileDialogSave.getFile();
System.out.println("Dir: "+dirPath+fileName);

if(dirPath==null && fileName==null){
return;
}

FileSave=new File(dirPath,fileName);

}
}
});

/* set Label Title */
JLabel labelTitle = new JLabel(title,JLabel.CENTER);
labelTitle.setFont(new Font("Georgia", Font.BOLD, 30));
labelTitle.setForeground(new Color(50, 50, 25));
add(labelTitle, BorderLayout.NORTH);

/* ximage show panel in ximageJFrame */
myximageJPanel = new myXimageJPanel(nx,xbeg,ny,getWidth()-40,getHeight()-40,filename
,minX, minZ, maxX, maxZ);

add(myximageJPanel);

setVisible(true);
}

}
//a#################################
//a##
//a##  myXimageParasJFrame for myXimageJFrame
//a##
//a#################################
class myXimageParasJFrame extends JFrame{

private Toolkit toolkit;
private String filename;
private String title;
private int xbeg;
private int nx;
private int nz;
private int minX,minZ,maxX,maxZ;

public myXimageParasJFrame() {

setTitle("ToaImage");
setSize(450, 300);
//setMaximumSize(new Dimension(350,300));

toolkit = getToolkit();
Dimension size = toolkit.getScreenSize();
setLocation(size.width/4 - getWidth()/2, (size.height -getHeight())/2);

/***************** set Label Title *****************/
JLabel labelTitle = new JLabel("Toa_Image",JLabel.CENTER);
labelTitle.setFont(new Font("Georgia", Font.BOLD, 20));
labelTitle.setForeground(new Color(50, 50, 25));

add(labelTitle, BorderLayout.NORTH);

/***************** parameter panel *****************/
final JPanel parasPanel = new JPanel();
parasPanel.setLayout(new GridBagLayout());

getContentPane().add(parasPanel);

/* title */
JLabel labeltitle = new JLabel("Title: ");
labeltitle.setFont(new Font("Georgia", Font.BOLD, 15));

final JTextField textfieldtitle = new JTextField(20);
textfieldtitle.setFont(new Font("Georgia", Font.PLAIN, 15));
textfieldtitle.setText("change title...");

JButton buttontitle = new JButton(">>>");
buttontitle.setAlignmentX(1f);
buttontitle.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {

System.out.println("title: "+textfieldtitle.getText());
}
});
GridBagConstraints gbc = makeGbc(0, 0);
parasPanel.add(labeltitle,gbc);
JPanel p0 =new JPanel();
p0.add(textfieldtitle);
p0.add(buttontitle);
gbc = makeGbc(1, 0);

parasPanel.add(p0, gbc);

/* filename */

JLabel labelfilename = new JLabel(" File: ");
labelfilename.setFont(new Font("Georgia", Font.BOLD, 15));

final JTextField textfieldfilename = new JTextField(20);
textfieldfilename.setFont(new Font("Georgia", Font.PLAIN, 15));
textfieldfilename.setText("select file...");
filename = "select file...";

JButton buttonfilename = new JButton("<<<");
buttonfilename.setAlignmentX(1f);
buttonfilename.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {

JFileChooser fileopen = new JFileChooser();
FileFilter filterdat = new FileNameExtensionFilter("*.dat", "dat");
FileFilter filterbin = new FileNameExtensionFilter("*.bin", "bin");
FileFilter filterbinary = new FileNameExtensionFilter("*.binary", "binary");
fileopen.addChoosableFileFilter(filterdat);
fileopen.addChoosableFileFilter(filterbin);
fileopen.addChoosableFileFilter(filterbinary);

int ret = fileopen.showDialog(parasPanel, "Select");

if (ret == JFileChooser.APPROVE_OPTION) {
File file = fileopen.getSelectedFile();
textfieldfilename.setText(file.toString());
filename=file.toString();
System.out.println("FileName: "+filename);
}
}
});
gbc = makeGbc(0, 1);
parasPanel.add(labelfilename,gbc);
JPanel p1 =new JPanel();
p1.add(textfieldfilename);
p1.add(buttonfilename);
gbc = makeGbc(1, 1);

parasPanel.add(p1, gbc);

/* xbeg */
JLabel labelxbeg = new JLabel(" xbeg: ");
labelxbeg.setFont(new Font("Georgia", Font.BOLD, 15));

final JTextField textfieldxbeg = new JTextField(20);
textfieldxbeg.setFont(new Font("Georgia", Font.PLAIN, 15));
textfieldxbeg.setText("0");

JButton buttonxbeg = new JButton(">>>");
buttonxbeg.setAlignmentX(1f);
buttonxbeg.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {

System.out.println("xbeg: "+textfieldxbeg.getText());
}
});
gbc = makeGbc(0, 2);
parasPanel.add(labelxbeg,gbc);
JPanel p2 =new JPanel();
p2.add(textfieldxbeg);
p2.add(buttonxbeg);
gbc = makeGbc(1, 2);

parasPanel.add(p2, gbc);

/* for -> minX. minZ, maxX, maxZ  */
final JTextField textfieldminX = new JTextField(9);
final JTextField textfieldminZ = new JTextField(9);
final JTextField textfieldmaxX = new JTextField(9);
final JTextField textfieldmaxZ = new JTextField(9);

/* nx */
JLabel labelnx = new JLabel("   nx: ");
labelnx.setFont(new Font("Georgia", Font.BOLD, 15));

final JTextField textfieldnx = new JTextField(20);
textfieldnx.setFont(new Font("Georgia", Font.PLAIN, 15));
textfieldnx.setText("200");
textfieldnx.getDocument().addDocumentListener(new DocumentListener() {

@Override

public void insertUpdate(DocumentEvent de) {

textfieldmaxX.setText(textfieldnx.getText());

}

@Override

public void removeUpdate(DocumentEvent de) {

textfieldmaxX.setText(textfieldnx.getText());

}

@Override

public void changedUpdate(DocumentEvent de) {

//Plain text components don't fire these events.

}

});
JButton buttonnx = new JButton(">>>");
buttonnx.setAlignmentX(1f);
buttonnx.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {

System.out.println("nx: "+textfieldnx.getText());
}
});
gbc = makeGbc(0, 3);
parasPanel.add(labelnx,gbc);
JPanel p3 =new JPanel();
p3.add(textfieldnx);
p3.add(buttonnx);
gbc = makeGbc(1, 3);

parasPanel.add(p3, gbc);

/* nz */
JLabel labelnz = new JLabel("   nz: ");
labelnz.setFont(new Font("Georgia", Font.BOLD, 15));

final JTextField textfieldnz = new JTextField(20);
textfieldnz.setFont(new Font("Georgia", Font.PLAIN, 15));
textfieldnz.setText("301");
textfieldnz.getDocument().addDocumentListener(new DocumentListener() {

@Override

public void insertUpdate(DocumentEvent de) {

textfieldmaxZ.setText(textfieldnz.getText());

}

@Override

public void removeUpdate(DocumentEvent de) {

textfieldmaxZ.setText(textfieldnz.getText());

}

@Override

public void changedUpdate(DocumentEvent de) {

//Plain text components don't fire these events.

}

});

JButton buttonnz = new JButton(">>>");
buttonnz.setAlignmentX(1f);
buttonnz.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {

System.out.println("nz: "+textfieldnz.getText());
}
});
gbc = makeGbc(0, 4);
parasPanel.add(labelnz,gbc);
JPanel p4 =new JPanel();
p4.add(textfieldnz);
p4.add(buttonnz);
gbc = makeGbc(1, 4);

parasPanel.add(p4, gbc);

/* minX. minZ */
JLabel labelXZ0 = new JLabel("beg:(x,z)");
labelXZ0.setFont(new Font("Georgia", Font.BOLD, 15));

/*minX*/

textfieldminX.setFont(new Font("Georgia", Font.PLAIN, 15));
textfieldminX.setText("0");

/*minZ*/

textfieldminZ.setFont(new Font("Georgia", Font.PLAIN, 15));
textfieldminZ.setText("0");

JButton buttonXZ0 = new JButton(">>>");
buttonXZ0.setAlignmentX(1f);
buttonXZ0.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {

System.out.println("minX: "+textfieldminX.getText()
+", minZ: "+textfieldminZ.getText());
}
});
gbc = makeGbc(0, 5);
parasPanel.add(labelXZ0,gbc);
JPanel p5 =new JPanel();
p5.add(textfieldminX);
p5.add(textfieldminZ);
p5.add(buttonXZ0);
gbc = makeGbc(1, 5);

parasPanel.add(p5, gbc);

/*  maxX, maxZ */
JLabel labelXZ1 = new JLabel("end:(x,z)");
labelXZ1.setFont(new Font("Georgia", Font.BOLD, 15));

/*maxX*/

textfieldmaxX.setFont(new Font("Georgia", Font.PLAIN, 15));
textfieldmaxX.setText(textfieldnx.getText());

/*maxZ*/

textfieldmaxZ.setFont(new Font("Georgia", Font.PLAIN, 15));
textfieldmaxZ.setText(textfieldnz.getText());

JButton buttonXZ1 = new JButton(">>>");
buttonXZ1.setAlignmentX(1f);
buttonXZ1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {

System.out.println("maxX: "+textfieldmaxX.getText()
+", maxZ: "+textfieldmaxZ.getText());
}
});
gbc = makeGbc(0, 6);
parasPanel.add(labelXZ1,gbc);
JPanel p6 =new JPanel();
p6.add(textfieldmaxX);
p6.add(textfieldmaxZ);
p6.add(buttonXZ1);
gbc = makeGbc(1, 6);

parasPanel.add(p6, gbc);

/***************** panel for two buttons *****************/

final JPanel twobuttonPanel = new JPanel();
twobuttonPanel.setAlignmentX(1f);
twobuttonPanel.setLayout(new BoxLayout(twobuttonPanel, BoxLayout.X_AXIS));
twobuttonPanel.setBorder(new EmptyBorder(new Insets(10, 10, 10, 10)));

/* OK run button */
JButton ok = new JButton(" OK  ");
ok.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {

xbeg = Integer.parseInt(textfieldxbeg.getText());
nx = Integer.parseInt(textfieldnx.getText());
nz = Integer.parseInt(textfieldnz.getText());
minX = Integer.parseInt(textfieldminX.getText());
minZ = Integer.parseInt(textfieldminZ.getText());
maxX = Integer.parseInt(textfieldmaxX.getText());
maxZ = Integer.parseInt(textfieldmaxZ.getText());

title = textfieldtitle.getText();

if(title.equals("change title...")){
JOptionPane.showMessageDialog(twobuttonPanel, "Please Input Title.",
"Warning", JOptionPane.WARNING_MESSAGE);
title = " ";
}if(filename.equals("select file...")){
JOptionPane.showMessageDialog(twobuttonPanel, "Please Select File.",
"Error", JOptionPane.ERROR_MESSAGE);
}else if(minX<0||minZ<0||maxX>nx||maxZ>nz){
JOptionPane.showMessageDialog(twobuttonPanel, "Dimension Beyond model Range.",
"Error", JOptionPane.ERROR_MESSAGE);
}else
new myXimageJFrame(nx,xbeg,nz,filename,title,minX, minZ, maxX, maxZ);

}
});

/* close button */
JButton close = new JButton("Close");
close.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {
dispose();
}
});

twobuttonPanel.add(Box.createRigidArea(new Dimension(getWidth()/2, 0)));
twobuttonPanel.add(ok);
twobuttonPanel.add(Box.createRigidArea(new Dimension(10, 0)));
twobuttonPanel.add(close);
twobuttonPanel.add(Box.createRigidArea(new Dimension(10, 0)));

add(twobuttonPanel, BorderLayout.SOUTH);

setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
setVisible(true);
setResizable(false);

}

private GridBagConstraints makeGbc(int ix, int iz) {
/*Copyright:https://stackoverflow.com/questions/4699892/how-to-set-the-component-size-with-gridlayout-is-there-a-better-way*/

GridBagConstraints gbc = new GridBagConstraints();

gbc.gridwidth = 1;

gbc.gridheight = 1;

gbc.gridx = ix;

gbc.gridy = iz;

gbc.weightx = ix;

gbc.weighty = 1.0;

gbc.insets = new Insets(5, 5, 5, 5);

gbc.anchor = (ix == 0) ? GridBagConstraints.LINE_START : GridBagConstraints.LINE_END;

gbc.fill = GridBagConstraints.HORIZONTAL;

return gbc;

}

public static void main(String[] args) {

myXimageParasJFrame myXimageParasJFrame = new myXimageParasJFrame();
}
}

[Toa@AMAX swingSeismic-tmp]$ javac Demo_47_ximage_09_parasWarning.java
[Toa@AMAX swingSeismic-tmp]$ java myXimageParasJFrame