bufferedimage « Development « Java I/O Q&A





1. How to calculate java BufferedImage filesize    stackoverflow.com

I have a servlet based application that is serving images from files stored locally. I have added logic that will allow the application to load the image file to a ...

2. IOException while changing from File to BufferedImage    stackoverflow.com

Error: Unhandled exception type IOException.

File imgLoc = new File("player.png");
BufferedImage img = ImageIO.read(imgLoc);
How do I get a bufferedImage from a file location?

3. Getting filename from BufferedImage    stackoverflow.com

Is there a way to get the filename from a BufferedImage? I don't seem to see any methods for it.

4. Storing Serializable object to file with some data excluded    stackoverflow.com

I have an object which allows me to store BufferedImage into my object file. In the same object I have BufferedImage variable which I use to cache the image after it's ...

5. Java issue with saving file with new name    stackoverflow.com

I am writing a program whch requires me to save a BufferedImage with a new name. I can get the save dialog and stuff to work. I can even save the ...

6. Lossless and Identical way - BufferedImage to File    stackoverflow.com

I have a BufferedImage Object which I have manimulated it pixels (The numeric values). Now how can I save it to a file - preferable JPEG file - without any change ...

7. How to read big bufferedimage    stackoverflow.com

I am reading 100 MB picture into my app it works with inside eclipse, but not when i export project to jar i get "Can't read input file!" Since i need to ...

8. Reg. Buffered Image    coderanch.com

9. BufferedImage 1-bit-per-pixel    coderanch.com

I am trying to create the application with "compact" BufferedImage which uses just 1 bit per pixel. But it does not work properly - it looks like it still uses a byte per pixel. Any thoughts? class BWBufImagePanel extends JPanel{ BufferedImage fBufferedImage = null; int fWidth = 10, fHeight = 10; byte [] data = null; /** Build a BufferedImage from ...





10. Writing Buffered Image quality    coderanch.com

I have a buffered image in which i am converting to a byte[], it works fine and I can later open the image again, but when i read the image in it is of lower quality than the original, it is a document with text, and the text has a lot of jagged edges around the letters. I am doing the ...

11. Problem with BufferedImage    coderanch.com

Hi, Now i am working on the BufferedImage part of java and i got struck with one issue.I have to check for RGB pattern in the buffer which i am going to reading from network. Now my doubt is In case of BufferedImage.TYPE_INT_RGB i am not sure about the order of RGB bits in the buffer. 1) Can anyone explain me ...

12. BufferedImage to File Object    coderanch.com

Hello! I have a BufferedImage/Byte Array and i need to create a file object out of it, however I must not write the data to a file and then read it into a file .... So basically I am trying to convert a BufferedImage which is dynamically generated to a instance of File. Is there a way to do this? Thanks ...

13. Java BufferedImage - OutOfMemoryError    coderanch.com

Hello, Can any body me why am i getting the below exception? My Heap Size is 768MB. Actually i want to know how much Horizontal and Vertical dimension can java BufferedImage(..) method support. and how does this method work? BufferedImage lvImage = new BufferedImage(60000, 2300, BufferedImage.TYPE_INT_RGB); / Nawaz ================= CODE ================= import java.awt.image.BufferedImage; import java.util.ArrayList; public class TestClass { public static ...

14. Convert BufferedImage into File object    coderanch.com

Dear Rancher, I tried to convert BufferedImage to File object. I used twain API to acquisition the image. the API return to me the image as BufferedImage. I have barcoder reader API take the Image as File object. I want to put image I acquired from twain API into barcode reader. I post the scenario to clarified what I want do. ...

15. Problem with creating a BufferedImage and save it as bmp file    coderanch.com

Hi, I'm trying to create a BufferedImage, add a text to it , and save it as a bmp picture. But, the picture file created with size 0 and it's actually empty file (but it created). This is the code : import java.util.Scanner; import java.awt.image.BufferedImage; import java.awt.Color; import javax.imageio.ImageIO; public class TextToPic { public static void main(String[] args) { BufferedImage image ...

16. Serializing BufferedImage with keeping transparency    java-forums.org

Hi, I serialize BufferedImage by using this class: public class ServerUserAvatarMessage extends ServerMessage { private static final long serialVersionUID = 6796478081410599600L; private boolean success = false; private boolean useDefaultAvatar = true; private String username = null; int width; int height; int[] pixels; public void setAvatar(BufferedImage bi) { width = bi.getWidth(); height = bi.getHeight(); pixels = new int[width * height]; int[] tmp ...





17. Get BufferedImage file size    forums.oracle.com

18. BufferedImage to File    forums.oracle.com

Hello to everybody! My problem is the following: I have a BufferedImage containing an image grabbed from webcam. My need is save this BufferedImage into a temporary file (JPEG) AND then send this file to a class . I tried in different ways, but without success! Thanks in advance for your helps. Liuk

19. Writing a buffered image to a file    forums.oracle.com

20. JPEG file to BufferedImage    forums.oracle.com