我正在为学校项目创建Java UI。我有4个按钮和JFrame中的图像，我希望能够使用每个按钮在图像上执行任务。每次按下按钮，它都会使用按钮功能覆盖图像。我有按钮和功能，但我对如何将图像添加到JFrame无能为力。我是否使用Jpanel或画布将图像放到框架上。我使用了netbeans GUI构建器。这是压缩形式的代码
//import static NewJFrame.plotWidth;
import ij.IJ;
import ij.ImagePlus;
import ij.WindowManager;
import ij.gui.GenericDialog;
import ij.process.ByteProcessor;
import ij.process.ColorProcessor;
import ij.process.ImageConverter;
import ij.process.ImageProcessor;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Polygon;
public class my_JframePlugin extends javax.swing.JFrame {
static int plotWidth =400;
static double angleInDegrees = 40;
static double angle = (angleInDegrees/360.0)*2.0*Math.PI;
static int polygonMultiplier = 100;
static boolean oneToOne;
double picsize;
ImagePlus img = IJ.openImage();
ImageProcessor imgP = img.getProcessor();
int[] x,y;
/**
* Creates new form NewJFrame
*/
public my_JframePlugin() {
initComponents();
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jFileChooser1 = new javax.swing.JFileChooser();
canvas1 = new java.awt.Canvas();
jPanel1 = new javax.swing.JPanel();
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
jButton3 = new javax.swing.JButton();
jButton4 = new javax.swing.JButton();
jButton5 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 477, Short.MAX_VALUE)
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 310, Short.MAX_VALUE)
);
jButton1.setText("FFT");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jButton2.setText("Inverse FFT");
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
jButton3.setText("3D Plot");
jButton3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton3ActionPerformed(evt);
}
});
jButton4.setText("Crop");
jButton4.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton4ActionPerformed(evt);
}
});
jButton5.setText("Add Image");
jButton5.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton5ActionPerformed(evt);
}
});
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addGap(36, 36, 36)
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 28, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jButton5, javax.swing.GroupLayout.DEFAULT_SIZE, 113, Short.MAX_VALUE)
.addComponent(jButton1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jButton2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jButton3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jButton4, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.addGap(108, 108, 108))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(45, 45, 45)
.addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 55, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(31, 31, 31)
.addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 55, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(33, 33, 33)
.addComponent(jButton3, javax.swing.GroupLayout.PREFERRED_SIZE, 55, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 42, Short.MAX_VALUE)
.addComponent(jButton4, javax.swing.GroupLayout.PREFERRED_SIZE, 53, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(38, 38, 38)
.addComponent(jButton5, javax.swing.GroupLayout.PREFERRED_SIZE, 55, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(56, 56, 56))
.addGroup(layout.createSequentialGroup()
.addGap(35, 35, 35)
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
pack();
}// </editor-fold>
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
IJ.log("FFT clicked");
}
private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
//ImagePlus myimage = img;
img = WindowManager.getCurrentImage();
if (img==null)
{
//IJ.noImage();
IJ.log("No Image selected");
return;
}
if (!showDialog())
return;
if (img.getType()!=ImagePlus.GRAY8)
{
ImageProcessor ip = img.getProcessor();
ip = ip.crop(); // duplicate
img = new ImagePlus("temp", ip);
new ImageConverter(img).convertToGray8();
}
ImageProcessor plot = makeSurfacePlot(img.getProcessor());
new ImagePlus("Surface Plot", plot).show();
IJ.register(Surface_Plotter.class);
}
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
IJ.log("Inverse FFT clicked");
}
boolean showDialog()
{
GenericDialog gd = new GenericDialog("Surface Plotter");
gd.addNumericField("Width (pixels):", plotWidth, 0);
gd.addNumericField("Angle (-90-90 degrees):", angleInDegrees, 0);
gd.addNumericField("Polygon Multiplier (10-200%):", polygonMultiplier, 0);
gd.addCheckbox("One Polygon Per Line", oneToOne);
gd.showDialog();
if (gd.wasCanceled())
return false;
plotWidth = (int) gd.getNextNumber();
angleInDegrees = gd.getNextNumber();
polygonMultiplier = (int)gd.getNextNumber();
oneToOne = gd.getNextBoolean();
if (polygonMultiplier>400) polygonMultiplier = 400;
if (polygonMultiplier<10) polygonMultiplier = 10;
return true;
}
public ImageProcessor makeSurfacePlot(ImageProcessor ip)
{
double angle = (angleInDegrees/360.0)*2.0*Math.PI;
int polygons = (int)(plotWidth*(polygonMultiplier/100.0)/4);
if (oneToOne)
polygons = ip.getHeight();
double xinc = 0.8*plotWidth*Math.sin(angle)/polygons;
double yinc = 0.8*plotWidth*Math.cos(angle)/polygons;
boolean smooth = true;
IJ.showProgress(0.01);
ip.setInterpolate(true);
ip = ip.resize(plotWidth, polygons);
int width = ip.getWidth();
int height = ip.getHeight();
double min = ip.getMin();
double max = ip.getMax();
if (smooth)
ip.smooth();
//new ImagePlus("Image", ip).show();
int windowWidth =(int)(plotWidth+polygons*Math.abs(xinc) + 20.0);
int windowHeight = (int)(255+polygons*yinc + 10.0);
Image plot =IJ.getInstance().createImage(windowWidth, windowHeight);
Graphics g = plot.getGraphics();
g.setColor(Color.white);
g.fillRect(0, 0, windowWidth, windowHeight);
x = new int[width+2];
y = new int[width+2];
double xstart = 10.0;
if (xinc<0.0)
xstart += Math.abs(xinc)*polygons;
double ystart = 0.0;
for (int row=0; row<height; row++) {
double[] profile = ip.getLine(0, row, width-1, row);
Polygon p = makePolygon(profile, xstart, ystart);
g.setColor(Color.white);
g.fillPolygon(p);
g.setColor(Color.black);
g.drawPolygon(p);
xstart += xinc;
ystart += yinc;
if ((row%5)==0) IJ.showProgress((double)row/height);
}
IJ.showProgress(1.0);
ip = new ColorProcessor(plot);
byte[] bytes = new byte[windowWidth*windowHeight];
int[] ints =(int[]) ip.getPixels();
for (int i=0; i<windowWidth*windowHeight; i++)
bytes[i] = (byte)ints[i];
ip = new ByteProcessor(windowWidth,windowHeight, bytes, null);
return ip;
}
Polygon makePolygon(double[] profile, double xstart, double ystart) {
int width = profile.length;
for (int i=0; i<width; i++)
x[i] =(int)( xstart+i);
for (int i=0; i<width; i++)
y[i] =(int)(ystart+255.0-profile[i]);
x[width] =(int)xstart+width-1;
y[width] = (int)ystart+255;
x[width+1] =(int)xstart;
y[width+1] = (int)ystart+255;
//for (int i=0; i<width; i++)
// IJ.write("dbg: "+i+" "+profile[i]+" "+x[i]+" "+y[i]);
return new Polygon(x, y, width+2);
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(my_JframePlugin.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(my_JframePlugin.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(my_JframePlugin.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(my_JframePlugin.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
//new NewJFrame().setVisible(true);
}
});
}
// Variables declaration - do not modify
private java.awt.Canvas canvas1;
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton2;
private javax.swing.JButton jButton3;
private javax.swing.JButton jButton4;
private javax.swing.JButton jButton5;
private javax.swing.JFileChooser jFileChooser1;
private javax.swing.JPanel jPanel1;
// End of variables declaration
}
我根本不知道如何将图像加载到框架上
答案 0 :(得分：-1)