@Test
public void test() {
String[] readerFormatNames = ImageIO.getReaderFormatNames();
System.out.println(Arrays.asList(readerFormatNames));
// jpg bmp jpeg wbmp png
String[] writerFormatNames = ImageIO.getWriterFormatNames();
System.out.println(Arrays.asList(writerFormatNames));
}
public static String[] getSupportedFormats() {
String[] img = ImageIO.getWriterFormatNames();
String out[] = new String[img.length + 3];
out[0] = "a2d";
out[1] = "pat";
out[2] = "xpda";
for (int i = 0; i < img.length; i++) {
out[i + 3] = img[i];
}
return out;
}
private void loadData(File f) {
if (f.getName().toLowerCase().endsWith("a2d")) loadA2D(f);
else if (f.getName().toLowerCase().endsWith("pat")) loadPAT(f);
else if (f.getName().toLowerCase().endsWith("xpda")) loadOldFormat(f);
else {
boolean rightFormat = false;
String[] formatNames = ImageIO.getWriterFormatNames();
for (int i = 0; i < formatNames.length; i++) {
rightFormat |= f.getName().toLowerCase().endsWith(formatNames[i]);
}
if (rightFormat) loadImage(f);
}
}
private void init() {
scaler = new ScaleSelector();
chooser = new JFileChooser();
chooser.setDialogType(JFileChooser.SAVE_DIALOG);
chooser.setDialogTitle("Export Prefuse Display...");
chooser.setAcceptAllFileFilterUsed(false);
HashSet seen = new HashSet();
String[] fmts = ImageIO.getWriterFormatNames();
for (int i = 0; i < fmts.length; i++) {
String s = fmts[i].toLowerCase();
if (s.length() == 3 && !seen.contains(s)) {
seen.add(s);
chooser.setFileFilter(new SimpleFileFilter(s, s.toUpperCase() + " Image (*." + s + ")"));
}
}
seen.clear();
seen = null;
chooser.setAccessory(scaler);
}
/**
* Method to get the list of supported file extensions for writing
*
* @return List of supported file extensions for writing
* @throws OpenStegoException
*/
public List<String> getWritableFileExtensions() throws OpenStegoException {
if (writeFormats != null) {
return writeFormats;
}
String format = null;
String[] formats = null;
List<String> formatList = new ArrayList<String>();
formats = ImageIO.getWriterFormatNames();
for (int i = 0; i < formats.length; i++) {
format = formats[i].toLowerCase();
if (format.indexOf("jpeg") >= 0 && format.indexOf("2000") >= 0) {
format = "jp2";
}
if (!formatList.contains(format)) {
formatList.add(format);
}
}
Collections.sort(formatList);
writeFormats = formatList;
return writeFormats;
}
static {
SUPPORTED_FORMATS.addAll(Arrays.asList(ImageIO.getWriterFormatNames()));
}