How to reverse an image acquired using IMAQ APIs in vc++
how to reverse an image acquired using IMAQ APIs in vc++
When using imaqFlip, may the source and destination be the same Image* ?
TIA!
Jesse
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Could you explain a little more what it is you are trying to do?
Mike...
Certified Professional Instructor
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"... after all, He's not a tame lion..."
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How to view the image by using mousedrag event?
How can i move the full image by using mousedrag event(not using scrollBar and the frame should not reziable).
e.g
click the mouse in image and drag right side or towards down,the image should move to till the end in width or height
import java.awt.*;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
import java.awt.image.BufferedImage;
import java.io.*;
import javax.imageio.ImageIO;
import javax.swing.*;
public class LoadAndShow extends JPanel implements MouseMotionListener{
BufferedImage image;
Dimension size = new Dimension();
public LoadAndShow(BufferedImage image) {
this.image = image;
size.setSize(image.getWidth(), image.getHeight());
* Drawing an image can allow for more
* flexibility in processing/editing.
protected void paintComponent(Graphics g) {
// Center image in this component.
int x = (getWidth() - size.width)/2;
int y = (getHeight() - size.height)/2;
g.drawImage(image, x, y, this);
public Dimension getPreferredSize() { return size; }
public static void main(String[] args) throws IOException {
//set the image path
String path = "Images/dinette.jpg";
BufferedImage image = ImageIO.read(new File(path));
LoadAndShow test = new LoadAndShow(image);
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setResizable(false);
f.add(test);
f.setSize(400,400);
f.setLocation(200,200);
f.setVisible(true);
//showIcon(image);
* Easy way to show an image: load it into a JLabel
* and add the label to a container in your gui.
private static void showIcon(BufferedImage image) {
ImageIcon icon = new ImageIcon(image);
public void mouseDragged(MouseEvent arg0)
// TODO drag the image
public void mouseMoved(MouseEvent arg0)
}Following is the updated code for image move on mouse move.
import java.awt.*;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
import java.awt.image.BufferedImage;
import java.io.*;
import javax.imageio.ImageIO;
import javax.swing.*;
import java.awt.event.MouseListener; public class LoadAndShow extends JPanel implements MouseMotionListener,MouseListener{
BufferedImage image;
Dimension size = new Dimension();
Point pt;//Maintain the Current Pressed Values of Mouse
Rectangle rect;//Maintain the moving position of Mouse public LoadAndShow(BufferedImage image) {
this.image = image;
size.setSize(image.getWidth(), image.getHeight());
this.addMouseListener(this);
this.addMouseMotionListener(this);
* Drawing an image can allow for more
* flexibility in processing/editing.
protected void paintComponent(Graphics g) {
// Center image in this component.
int x = (getWidth() - size.width)/2;
int y = (getHeight() - size.height)/2;
g.drawImage(image, x, y, this);
} public Dimension getPreferredSize() { return size; } public static void main(String[] args) throws IOException {
//set the image path
String path = "C:\\Documents and Settings\\All Users\\Documents\\My Pictures\\Sample Pictures\\Winter.jpg";
BufferedImage image = ImageIO.read(new File(path));
LoadAndShow test = new LoadAndShow(image);
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setResizable(false);
f.add(test);
f.setSize(400,400);
f.setLocation(200,200);
f.setVisible(true);
//showIcon(image);
* Easy way to show an image: load it into a JLabel
* and add the label to a container in your gui.
private static void showIcon(BufferedImage image) {
ImageIcon icon = new ImageIcon(image);
} public void mouseClicked(MouseEvent e) {
} public void mousePressed(MouseEvent e) {
pt = e.getPoint();
rect = this.getBounds();
} public void mouseReleased(MouseEvent e) {
} public void mouseEntered(MouseEvent e) {
} public void mouseExited(MouseEvent e) {
} public void mouseDragged(MouseEvent e) {
Point p=e.getPoint();
moveImageOnMouseMove(p);
} public void mouseMoved(MouseEvent e) {
* This Function is used for calculate the Dragging point of Mouse and set the image on particular points
* @param p Point hold the dragging point of Mouse
private void moveImageOnMouseMove(Point p)
int xDelta = p.x - pt.x;
int yDelta = p.y - pt.y;
rect.x = rect.x + xDelta;
rect.y = rect.y + yDelta;
this.setLocation(rect.x, rect.y);
this.repaint();
}} If you have any query related with the code please let me know.
Manish L
MS Technology
www.ms-technology.com
Edited by: mannymst on Sep 18, 2008 5:53 AM
Edited by: mannymst on Sep 18, 2008 6:05 AM -
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userProviderControl.createUserSimple(form.userID, form.password);
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Cheers
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