byte « Icon Image « Java Swing Q&A





1. How to get byte[] from the Image?    coderanch.com

Please try this: public static byte [] getByteArrayOfIcon(final Class baseClass, final String gifFile) { final byte[][] buffer = new byte[1][]; try { InputStream resource = baseClass.getResourceAsStream(gifFile); if (resource == null) { return null; } BufferedInputStream in = new BufferedInputStream(resource); ByteArrayOutputStream out = new ByteArrayOutputStream(1024); buffer[0] = new byte[1024]; int n; while ((n = in.read(buffer[0])) > 0) { out.write(buffer[0], 0, n); } ...

3. Image object from byte array    coderanch.com

4. Converting an byte[] to an image    coderanch.com

Hi everyyone I want to convet an byte[] which i've received from a mobile phone in to a image (jpg/png) after i receive it on the J2SE server end. Please some one help me with the method which i can just convert a byte[] in to a image n store it on the hard drive of the computer. Thanks

5. how to convert byte array to images    coderanch.com

6. How to turn a byte[] into an image?    coderanch.com

My app downloads image data from a server, storing the data in a byte[] called imageDataByteArray. I want to use imageDataByteArray to create an image. For this, I have tried using: int w = imageWidth; //488 int h = imageHeight; //245 int imageOffset = 0; int scan = w; Image image = component.createImage(new MemoryImageSource(w, h, java.awt.image.ColorModel.getRGBdefault(), imageDataByteArray, imageOffset, scan)); ...but the ...

7. Convert between AWT Image and byte array    coderanch.com

Hi folks, I have an application which persists all data structures to an XML file. Some of the data objects have AWT Images as properties which should be saved to the XML file, too. I use JAXB for the marshalling and unmarshalling process. The binary data are marshalled to base64 encoded text in the XML file and the base64 data are ...

8. ImageIO.write - TIF and BMP - Zero bytes    coderanch.com

I executed the code below from: import java.io.*; import java.awt.*; import java.awt.image.*; import javax.imageio.ImageIO; public class GenerateImageType { static public void main(String args[]) throws Exception { int width = 200, height = 180; BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); Graphics2D g2d = bufferedImage.createGraphics(); Font font = new Font("Arial", Font.BOLD, 24); g2d.setFont(font); String text = "Welcome!"; FontMetrics fontMetrics = g2d.getFontMetrics(); int ...

9. Creating an image from a byte array and a color palette    coderanch.com

Here is the story so far: I have a binary file that contains an icon and the color palette of that icon. The icon is 32x32 "pixels". The data for this is 512bytes. Each "pixel" in the icon is actually a 4bit index to the color palette. The color palette contains 16 colors. The data for this is 32bytes. Each color ...