Hi Matt,
Here's a routine that I use. I cut some of my application specific code
out, but it should do the trick.
/**
* Convert the bean to a jpg file.
* @param guiObj the GUI Object to be converted to a jpg file.
* In this case guiObj is a subclass of a JComponent.
*/
public void writeJPEG(Object guiObj) {
//
// Get the bounds of the bean.
//
Rectangle r = ((Component) guiObj).getBounds();
int w=r.width;
int h=r.height;
BufferedImage bi = new BufferedImage(w, h,
BufferedImage.TYPE_3BYTE_BGR);
Graphics2D big = bi.createGraphics();
big.setBackground(Color.white);
big.clearRect(0, 0, w, h);
//
// Invoke the method to paint it on the buffered image.
//
((Component) guiObj).paint(big);
//
// Write the JPEG to a file.
//
try {
File file = new File(jpgDir + "/image.jpg");
FileOutputStream out = new FileOutputStream(file);
//
// Encodes buffered image as a JPEG data stream
//
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(bi);
param.setQuality(1.0f, false);
encoder.setJPEGEncodeParam(param);
encoder.encode(bi);
out.close();
} catch (IOException ioe) {
System.err.println("[writeJPEG] Exception: " + ioe);
}
}
FYI,
Scott
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