private Icon makeIcon(final String gifFile) throws IOException {
/* Copy resource into a byte array. This is
* necessary because several browsers consider
* Class.getResource a security risk because it
* can be used to load additional classes.
* Class.getResourceAsStream just returns raw
* bytes, which we can convert to an image.
*/
InputStream resource = MyImageView.class.getResourceAsStream(gifFile);
if (resource == null) {
System.err.println(MyImageView.class.getName() + "/" + gifFile + " not found!!.");
return null;
}
BufferedInputStream in = new BufferedInputStream(resource);
ByteArrayOutputStream out = new ByteArrayOutputStream(1024);
byte[] buffer = new byte[1024];
int n;
while ((n = in.read(buffer)) > 0) {
out.write(buffer, 0, n);
}
in.close();
out.flush();
buffer = out.toByteArray();
if (buffer.length == 0) {
System.err.println("warning: " + gifFile + " is zero-length");
return null;
}
return new ImageIcon(buffer);
}
public Transferable createTransferable(Drawing drawing, java.util.List<Figure> figures, double scaleFactor) throws IOException {
ByteArrayOutputStream buf = new ByteArrayOutputStream();
write(buf, figures);
return new InputStreamTransferable(new DataFlavor("text/html", "HTML Image Map"), buf.toByteArray());
}