I am designing a form in java using JDeveloper.
I am new to JDeveloper.
In JDeveloper tool I didn't found any option to directly add image to form like .Net.
And I don't know how to add image to form manually.
is there any other way to solve it out.
So please help me to solve it.
As simple as this :
image = ImageIO.read(new File(path));
JLabel picLabel = new JLabel(new ImageIcon(image));
Yayy! Now your image is a swing component ! add it to a frame or panel or anything like you usually do! Probably need a repainting too , like
jpanel.add(picLabel);
jpanel.repaint();
Don't know about JDeveloper but in code you have following possibilities:
Create an ImageIcon of the image then set that to a jLabel and add jLabel to your frame.
Override paintComponents() of your frame to draw image using Graphics in it. {Not sure about this}
Override paintComponent() of some panel or any other component to draw image using Graphics in it and then add that component to frame..
You can use Labels as Sanjay says.
also using layered pane you can use as background image.
You can try doing it this way:
ImageIcon image = new ImageIcon(getClass().getResource("imageName.png"));
JLabel lblImage = new JLabel(image);
line 1 of the code will get the image ensure that the image is in the same folder you are saving your work
Related
I'm still pretty new to Java, and in our programming class we are working in a group. My part of the assignment is to insert an image at the top part of the GUI.
this is the code I have so far..
ImageIcon image = new ImageIcon(getClass().getResource("EXTS.png"));
JPanel.add(image, BorderLayout.NORTH);
but right under the .add part of the Jpanel.add is that red squiggly line telling me that I should change my Image to a component and when I do that it tells me to switch it back to an Image?? this is what I'm getting confused on why would it tell me to change it back if it won't use it the way it is now?
So I guess my question is what should I do to fix this problem?
Also exactly how would I position it, I know it goes into the layout spot in the North but will that be dead center? or does it start from the 0,0 top left and then pixel in?
Thank you in advanced!
(P.s. this is the path to the image file if it should be different please tell me otherwise it's fine -- Project 3/Images/EXTS.png)
An Icon is not a component. You need to add the Icon to a component like a JLabel:
ImageIcon image = new ImageIcon(getClass().getResource("EXTS.png"));
//JPanel.add(image, BorderLayout.NORTH);
JPanel.add(new JLabel(image), BorderLayout.NORTH);
Assuming that the path to the image is correct, you should use a JLabel to show the image. See How to Use Labels for more details.
I'd also consider using ImageIO to read the image instead of ImageIcon as ImageIO will throw an IOException if the image can't be loaded for some reason. See Reading/Loading an Image for more deatils
ImageIcon image = new ImageIcon(
ImageIO.read(getClass().getResource("/EXTS.png")));
JPanel.add(new JLabel(image), BorderLayout.NORTH);
I designed one simple Form.
In which i put one panel as contentPane one JLabel as lblPanel.
now i am trying to set image in JLabel.
I am having WindowBuilder so i can directly set image using setting the icon property of JLabel.
But when i try this it shows the Image only as its original size which is natural we must have to manually set image size to fed the JLabel whole.
SO, here is the Code that is generated by the WindowBuilder when i set the Image using the icon properties of JLabel.
lblPanel.setIcon(new ImageIcon(Admin_Form.class.getResource("/Icons/MouthSmile.jpg")));
Now My Problem is i want to set the size of image as the size of JLabel so there is any direct way to do it using WindowBuilder or just Modifying the above line?
I also tried the following way in which i taken two Imageicon and one Image.
Here is the code for that that i have been tried.
private Image img;
private ImageIcon imgicon;
private ImageIcon newimgicon;
imgicon = new ImageIcon("/Icons/MouthSmile.jpg");
img = imgicon.getImage();
newimgicon = new ImageIcon(img.getScaledInstance(lblPanel.getWidth(),lblPanel.getHeight(), Image.SCALE_SMOOTH));
lblPanel.setIcon(newimgicon);
But when i remove the code that is generated by the Window Builder and use only mine the image is not displayed.
I also seen the way to do it using BufferedImage but i think there will be no difference wheather i will use BufferedImage to resize or ImageIcon and Image.
If you are trying to get the width and height of lblPanel before it is added to your Container and before your JFrame is visible, the width and height will both be 0.
You can resize the image you are choosing to use which will make the JLabel the size you desire. That is the simplest way of going about doing it.
I am trying to display an image in a JFrame GUI in Java. I have successfully loaded the image from a resource file and been able to display the image in a JOptionPane. This was achieved using a JLabel containing a Image Icon in the constructor. When trying to add this image to a JPanel nothing is displayed.
JLabel imgLabel1 = new JLabel(new ImageIcon(tsr.getTileImage(1,1)),JLabel.CENTER);
jpnDisplay.add(imgLabel1);
tsr is my custom code for getting a subimage from a tileset. The image returned is of type BufferedImage.
One thing I did notice is if I display the image in a JOptionPane then add it to the JPanel the image is displayed. I am unsure why this is.
JLabel imgLabel1 = new JLabel(new ImageIcon(tsr.getTileImage(1,1)),JLabel.CENTER);
JOptionPane.showMessageDialog(null, imgLabel1,"Label",-1);
jpnDisplay.add(imgLabel1);`enter code here
--EDIT--
After playing around with my code, I have discovered my issue was not with the way I was trying to display the images, but that for some reason my JFrame was not repainting unless a JOptionPane was shown before the JFrame was shown. It also only paints the same instance that was shown in the JOptionPane. Any other images to be painted get ignored. The reason is unclear.
You must subclass your JPanel and override the redraw method to draw you image.
I keep trying all this example code and none of it works, it always wants me to have a try/catch which means I have to ini. the variable anyway and I am tearing my hair out on the one, I have a jframe the exact size of my image, all I want is it to fill the entire jframe, also, could you make it so that if the image is transparent, that you can see though the entire jframe.
Thanks in advance
frame.add(new JLabel(new ImageIcon("path/to/image.png"));
There is a class called ImageIcon that can be used for images in Swing. Javadocs for ImageIcon
There are also many other ways to use ImageIcon.
From your saying that your example code want's you to use try / catch blocks, I'm guessing you are using the ImageIO class. It returns you with a BufferedImage which is not able to added to the frame. See the ImageIcon class here which you can use with the JLabel
frame.add(new JLabel(new ImageIcon("my_image.png"));
This should work if your image is outside of your jar. If it's included in the jar, use the classloader to get the resource for you.
URL url = getClass().getClassLoader().getResource("my_image.png");
ImageIcon icon = new ImageIcon(url);
frame.add(new JLabel(icon));
Hope this works.
I have a JFrame and I want to load a image to it when I click the load image button. Once I click next button I want to change the image. Loading image to a variable is no problem. I load it to Image img. I just want to show it. Which means i want to load it to a JLable or JPanel. How can I do this. Please help me.
Let use ImageIcon & JLabel.setIcon(...)
JLabel supports Icon/ImageIcons. This means that you can create a simple JLabel, pass an ImageIcon to it, and have it display. This should probably cover what you need.
JLabel label = new JLabel(new ImageIcon(image));
Create a custom component and override the paint(Graphics g) method. Use the given Graphics object to paint the image. You could cast to Graphics2D first if you need some more advanced options. Look through the methods defined by Graphics(2D), you'll find what you need pretty soon.
A subclass of JPanel would work well. The best choice really kind of depends on how you managed the contents of the JFrame.