GranuleOverviewLevelDescriptor getLevel(final int index) {
// load level
// create the base grid to world transformation
ImageInputStream inStream = null;
ImageReader reader = null;
try {
// get a stream
assert cachedStreamSPI != null : "no cachedStreamSPI available!";
inStream =
cachedStreamSPI.createInputStreamInstance(
granuleUrl, ImageIO.getUseCache(), ImageIO.getCacheDirectory());
if (inStream == null)
throw new IllegalArgumentException(
"Unable to create an inputstream for the granuleurl:"
+ (granuleUrl != null ? granuleUrl : "null"));
// get a reader and try to cache the relevant SPI
if (cachedReaderSPI == null) {
reader = ImageIOExt.getImageioReader(inStream);
if (reader != null) cachedReaderSPI = reader.getOriginatingProvider();
} else reader = cachedReaderSPI.createReaderInstance();
if (reader == null)
throw new IllegalArgumentException(
"Unable to get an ImageReader for the provided file " + granuleUrl.toString());
reader.setInput(inStream);
// call internal method which will close everything
return getLevel(index, reader);
} catch (IllegalStateException e) {
// clean up
try {
if (inStream != null) inStream.close();
} catch (Throwable ee) {
} finally {
if (reader != null) reader.dispose();
}
throw new IllegalArgumentException(e);
} catch (IOException e) {
// clean up
try {
if (inStream != null) inStream.close();
} catch (Throwable ee) {
} finally {
if (reader != null) reader.dispose();
}
throw new IllegalArgumentException(e);
}
}
private Dimension getSize(File file) {
try {
ImageInputStream input = ImageIO.createImageInputStream(file);
if (input != null) {
try {
Iterator<ImageReader> readers = ImageIO.getImageReaders(input);
if (readers.hasNext()) {
ImageReader reader = readers.next();
try {
reader.setInput(input);
return new Dimension(reader.getWidth(0), reader.getHeight(0));
} finally {
reader.dispose();
}
}
} finally {
if (input != null) {
input.close();
}
}
}
// Fallback: read the image using the normal means
BufferedImage image = ImageIO.read(file);
if (image != null) {
return new Dimension(image.getWidth(), image.getHeight());
} else {
return null;
}
} catch (IOException e) {
// Pass -- we can't handle all image types, warn about those we can
return null;
}
}
@Override
public void close() {
try {
stream.close();
} catch (IOException ignore) {
}
}
public Tuple2<BufferedImage, String> readImageAndFormat(InputStream is)
throws IOException, IllegalArgumentException {
ImageInputStream iis = ImageIO.createImageInputStream(is);
Iterator<ImageReader> readers = ImageIO.getImageReaders(iis);
if (!readers.hasNext()) {
iis.close();
throw new IllegalArgumentException("unsupported image type");
}
ImageReader reader = readers.next();
String inputFormat = reader.getFormatName();
reader.setInput(iis, true, true);
BufferedImage src = reader.read(0);
reader.dispose();
iis.close();
return new Tuple2<BufferedImage, String>(src, inputFormat.toLowerCase());
}
@Test
public void testCloseQuietlyImageInputStreamClosed() throws IOException {
final ImageInputStream in = new MemoryCacheImageInputStream(new ClosedInputStream());
in.close();
IOUtils.closeQuietly(in);
}
private static Dimension getSizeUsingImageIO(URL url) throws IOException {
InputStream in = null;
ImageInputStream iis = null;
ImageReader reader = null;
try {
in = url.openStream();
iis = new MemoryCacheImageInputStream(in);
Iterator<ImageReader> it = ImageIO.getImageReaders(iis);
if (!it.hasNext()) return null;
reader = it.next();
reader.setInput(iis, true, true);
Dimension d = new Dimension(reader.getWidth(0), reader.getHeight(0));
if (d.width <= 0 || d.height <= 0)
throw new RuntimeException("invalid dimensions: " + d.width + "x" + d.height);
return d;
} finally {
try {
if (reader != null) reader.dispose();
} catch (Exception e) {
e.printStackTrace();
}
try {
if (iis != null) iis.close();
} catch (Exception e) {
e.printStackTrace();
}
try {
if (in != null) in.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
@Test
public void testAddAndGetTile() throws InterruptedException, FileNotFoundException, IOException {
// Input stream to use
ImageInputStream stream_in = null;
try {
stream_in = new FileImageInputStream(TestData.file(this, "world.tiff"));
// Input RenderedImage to use
final RenderedOp input =
ImageReadDescriptor.create(
stream_in, 0, false, false, false, null, null, null, null, null);
// Boolean used for checking if the conditions are passed
final AtomicBoolean passed = new AtomicBoolean(true);
// Cache creation
final ConcurrentTileCacheMultiMap cache =
new ConcurrentTileCacheMultiMap(1000 * 1000, false, 1f, 4);
// Selection of one tile from the image
Raster data = input.getTile(input.getMinTileX(), input.getMinTileY());
// Setting the tile inside the cache
cache.add(input, input.getMinTileX(), input.getMinTileY(), data);
// Thread pool to use for doing concurrent access on the cache
ThreadPoolExecutor executor =
new ThreadPoolExecutor(
TOTAL, TOTAL, 60, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(1000000));
// Latch used for waiting all the threads to end their work
final CountDownLatch latch = new CountDownLatch(TOTAL);
// Cycle for launching various requests
int counter = TOTAL;
while (counter > 0) {
executor.execute(
new Runnable() {
public void run() {
// Get the tile to use
Raster data = cache.getTile(input, input.getMinTileX(), input.getMinTileY());
if (data == null) {
passed.getAndSet(false);
}
latch.countDown();
}
});
// Counter update
counter--;
}
// Waiting all threads to finish
latch.await();
// Ensure that all the threads have found the tile
Assert.assertTrue(passed.get());
} finally {
try {
if (stream_in != null) {
stream_in.flush();
stream_in.close();
}
} catch (Throwable t) {
//
}
}
}
@Override
public BufferedImage read(Class<? extends BufferedImage> clazz, HttpInputMessage inputMessage)
throws IOException, HttpMessageNotReadableException {
ImageInputStream imageInputStream = null;
ImageReader imageReader = null;
try {
imageInputStream = createImageInputStream(inputMessage.getBody());
MediaType contentType = inputMessage.getHeaders().getContentType();
Iterator<ImageReader> imageReaders =
ImageIO.getImageReadersByMIMEType(contentType.toString());
if (imageReaders.hasNext()) {
imageReader = imageReaders.next();
ImageReadParam irp = imageReader.getDefaultReadParam();
process(irp);
imageReader.setInput(imageInputStream, true);
return imageReader.read(0, irp);
} else {
throw new HttpMessageNotReadableException(
"Could not find javax.imageio.ImageReader for Content-Type [" + contentType + "]");
}
} finally {
if (imageReader != null) {
imageReader.dispose();
}
if (imageInputStream != null) {
try {
imageInputStream.close();
} catch (IOException ex) {
// ignore
}
}
}
}
private BufferedImage getImage(File file) {
ImageInputStream iis = null;
BufferedImage image = null;
try {
iis = ImageIO.createImageInputStream(file);
Iterator<ImageReader> it = ImageIO.getImageReaders(iis);
if (!it.hasNext()) throw new UnsupportedOperationException("No image reader fround.");
ImageReader reader = it.next();
reader.setInput(iis);
int scaleFactor;
if (reader.getWidth(0) >= reader.getHeight(0))
scaleFactor = Math.round(((float) reader.getWidth(0)) / MAX_SIZE);
else scaleFactor = Math.round(((float) reader.getHeight(0)) / MAX_SIZE);
ImageReadParam param = reader.getDefaultReadParam();
param.setSourceSubsampling(scaleFactor, scaleFactor, 0, 0);
image = reader.read(0, param);
} catch (IOException e) {
e.printStackTrace();
} finally {
if (iis != null)
try {
iis.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return image;
}
/**
* reads an AOT Kx LUT (BBDR breadboard procedure GA_read_LUT_AOD)
*
* <p>A LUT value can be accessed with lut.getValue(new double[]{wvlValue, aotValue, hsfValue,
* aziValue, szaValue, vzaValue, parameterValue});
*
* @param sensor The sensor
* @return LookupTable
* @throws java.io.IOException when failing to real LUT data
*/
public static LookupTable getAotKxLookupTable(Sensor sensor) throws IOException {
ImageInputStream iis = Luts.getAotKxLutData(sensor.getInstrument());
try {
// read LUT dimensions and values
float[] vza = Luts.readDimension(iis);
int nVza = vza.length;
float[] sza = Luts.readDimension(iis);
int nSza = sza.length;
float[] azi = Luts.readDimension(iis);
int nAzi = azi.length;
float[] hsf = Luts.readDimension(iis);
int nHsf = hsf.length;
float[] aot = Luts.readDimension(iis);
int nAot = aot.length;
float[] kx = new float[] {1.0f, 2.0f};
int nKx = kx.length;
float[] wvl = sensor.getWavelength();
final int nWvl = wvl.length;
float[] lut = new float[nKx * nVza * nSza * nAzi * nHsf * nAot * nWvl];
iis.readFully(lut, 0, lut.length);
return new LookupTable(lut, wvl, aot, hsf, azi, sza, vza, kx);
} finally {
iis.close();
}
}
public Dimension getImageDimensions(InputStream imageStream) {
ImageInputStream in = null;
Dimension dimension = null;
try {
in = ImageIO.createImageInputStream(imageStream);
final Iterator<ImageReader> readers = ImageIO.getImageReaders(in);
if (readers.hasNext()) {
ImageReader reader = readers.next();
try {
reader.setInput(in);
dimension = new Dimension(reader.getWidth(0), reader.getHeight(0));
} finally {
reader.dispose();
}
}
} catch (IOException e) {
e.printStackTrace();
} finally {
if (in != null)
try {
in.close();
} catch (Exception e) {
e.printStackTrace();
}
}
return dimension;
}
/**
* Gets a list of <code>IIOImage</code> objects for an image file.
*
* @param imageFile input image file. It can be any of the supported formats, including TIFF,
* JPEG, GIF, PNG, BMP, JPEG, and PDF if GPL Ghostscript is installed
* @return a list of <code>IIOImage</code> objects
* @throws Exception
*/
public static List<IIOImage> getIIOImageList(File imageFile) throws IOException {
File workingTiffFile = null;
ImageReader reader = null;
ImageInputStream iis = null;
try {
// convert PDF to TIFF
if (imageFile.getName().toLowerCase().endsWith(".pdf")) {
workingTiffFile = PdfUtilities.convertPdf2Tiff(imageFile);
imageFile = workingTiffFile;
}
List<IIOImage> iioImageList = new ArrayList<IIOImage>();
String imageFileName = imageFile.getName();
String imageFormat = imageFileName.substring(imageFileName.lastIndexOf('.') + 1);
if (imageFormat.matches("(pbm|pgm|ppm)")) {
imageFormat = "pnm";
} else if (imageFormat.equals("jp2")) {
imageFormat = "jpeg2000";
}
Iterator<ImageReader> readers = ImageIO.getImageReadersByFormatName(imageFormat);
reader = readers.next();
if (reader == null) {
throw new RuntimeException(
"Need to install JAI Image I/O package.\nhttps://jai-imageio.dev.java.net");
}
iis = ImageIO.createImageInputStream(imageFile);
reader.setInput(iis);
int imageTotal = reader.getNumImages(true);
for (int i = 0; i < imageTotal; i++) {
// IIOImage oimage = new IIOImage(reader.read(i), null,
// reader.getImageMetadata(i));
IIOImage oimage = reader.readAll(i, reader.getDefaultReadParam());
iioImageList.add(oimage);
}
return iioImageList;
} finally {
try {
if (iis != null) {
iis.close();
}
if (reader != null) {
reader.dispose();
}
} catch (Exception e) {
// ignore
}
if (workingTiffFile != null && workingTiffFile.exists()) {
workingTiffFile.delete();
}
}
}
/**
* Write world image extensions : TFW, PRJ, TAB
*
* @param request
* @param file
* @param in
* @throws IOException
*/
private void writeWorldImageExt(WcsReaderRequest request, File file) throws IOException {
String baseFilePath = file.getPath().substring(0, file.getPath().lastIndexOf('.'));
// Compute image size and image transformed BBOX
ReferencedEnvelope transformedBBox;
AffineTransform transform;
int width = -1;
int height = -1;
String ext = FileUtils.extension(file);
try {
final Iterator<ImageReader> readers = ImageIO.getImageReadersByFormatName(ext.substring(1));
while (readers.hasNext() && width < 0 && height < 0) {
ImageInputStream stream = null;
try {
ImageReader reader = readers.next();
stream = ImageIO.createImageInputStream(file.getAbsoluteFile());
reader.setInput(stream, true, false);
width = reader.getWidth(0);
height = reader.getHeight(0);
break;
} catch (Exception e) {
width = -1;
height = -1;
// try next reader;
} finally {
if (stream != null) {
stream.close();
}
}
}
transformedBBox = request.requestBbox.transform(request.responseCRS, true, 10);
if (width < 0) {
width = (int) Math.round(transformedBBox.getWidth() / request.crsResolution());
}
if (height < 0) {
height = (int) Math.round(transformedBBox.getHeight() / request.crsResolution());
}
Rectangle imageSize = new Rectangle(width, height);
transform = RendererUtilities.worldToScreenTransform(transformedBBox, imageSize);
transform.invert();
} catch (Exception e) {
throw new ExtractorException(e);
}
// Generate TFW TAB PRJ files
createWorldFile(transform, ext, baseFilePath);
createTABFile(transformedBBox, width, height, baseFilePath, ext);
createPrjFile(request.responseCRS, baseFilePath);
}
/**
* Disposes this reader.
*
* <p>This method just tries to close the underlying {@link ImageInputStream}.
*/
public void dispose() {
if (inStream != null && closeMe) {
try {
inStream.close();
} catch (IOException e) {
if (LOGGER.isLoggable(Level.FINE)) LOGGER.log(Level.FINE, e.getLocalizedMessage(), e);
}
}
}
/**
* {@inheritDoc}
*
* @return GridCoverageReader.
*/
@Override
public GridCoverageReader convert(final ReferenceType source, final Map<String, Object> params)
throws UnconvertibleObjectException {
final InputStream stream = getInputStreamFromReference(source);
String encoding = null;
if (params != null && params.get(ENCODING) != null) {
encoding = (String) params.get(ENCODING);
}
ImageInputStream imageStream = null;
try {
// decode form base64 stream
if (encoding != null && encoding.equals(WPSEncoding.BASE64.getValue())) {
final String encodedImage = IOUtilities.toString(stream);
final byte[] byteData = Base64.decode(encodedImage.trim());
if (byteData != null && byteData.length > 0) {
try (InputStream is = new ByteArrayInputStream(byteData)) {
imageStream = ImageIO.createImageInputStream(is);
}
}
} else {
imageStream = ImageIO.createImageInputStream(stream);
}
if (imageStream != null) {
final ImageReader reader;
if (source.getMimeType() != null) {
reader = XImageIO.getReaderByMIMEType(source.getMimeType(), imageStream, null, null);
} else {
reader = XImageIO.getReader(imageStream, null, Boolean.FALSE);
}
return CoverageIO.createSimpleReader(reader);
} else {
throw new UnconvertibleObjectException("Error during image stream acquisition.");
}
} catch (MalformedURLException ex) {
throw new UnconvertibleObjectException(
"Reference grid coverage invalid input : Malformed url", ex);
} catch (CoverageStoreException ex) {
throw new UnconvertibleObjectException(
"Reference grid coverage invalid input : Can't read coverage", ex);
} catch (IOException ex) {
throw new UnconvertibleObjectException("Reference grid coverage invalid input : IO", ex);
} finally {
if (imageStream != null) {
try {
imageStream.close();
} catch (IOException ex) {
LOGGER.log(Level.WARNING, "Error during release the image stream.", ex);
}
}
}
}
/**
* *****************************************************************************************************************
*
* @inheritDoc *****************************************************************************
*/
@Override
public void close() throws IOException {
try {
super.close();
} finally {
if (thmInputStream != null) {
thmInputStream.close(); // TODO: should catch exceptions here?
}
}
}
/**
* Returns the geotiff metadata for this geotiff file.
*
* @return the metadata
*/
public GeoTiffIIOMetadataDecoder getMetadata() {
GeoTiffIIOMetadataDecoder metadata = null;
ImageReader reader = null;
boolean closeMe = true;
ImageInputStream stream = null;
try {
if ((source instanceof InputStream) || (source instanceof ImageInputStream)) {
closeMe = false;
}
if (source instanceof ImageInputStream) {
stream = (ImageInputStream) source;
} else {
inStreamSPI = ImageIOExt.getImageInputStreamSPI(source);
if (inStreamSPI == null) {
throw new IllegalArgumentException("No input stream for the provided source");
}
stream =
inStreamSPI.createInputStreamInstance(
source, ImageIO.getUseCache(), ImageIO.getCacheDirectory());
}
if (stream == null) {
throw new IllegalArgumentException("No input stream for the provided source");
}
stream.mark();
reader = READER_SPI.createReaderInstance();
reader.setInput(stream);
final IIOMetadata iioMetadata = reader.getImageMetadata(0);
metadata = new GeoTiffIIOMetadataDecoder(iioMetadata);
} catch (IOException e) {
if (LOGGER.isLoggable(Level.SEVERE)) {
LOGGER.log(Level.SEVERE, e.getMessage(), e);
}
} finally {
if (reader != null)
try {
reader.dispose();
} catch (Throwable t) {
}
if (stream != null) {
try {
stream.reset();
} catch (Throwable t) {
}
if (closeMe) {
try {
stream.close();
} catch (Throwable t) {
}
}
}
}
return metadata;
}
void cleanup(TestEnvironment env) {
super.cleanup(env);
if (inputStream != null) {
try {
inputStream.close();
} catch (IOException e) {
System.err.println("error closing stream");
}
inputStream = null;
}
}
public BufferedImage getBufferedImage(String keepLetter) {
try {
final InputStream is = getInputStream(keepLetter);
final ImageInputStream iis = ImageIO.createImageInputStream(is);
final VP8Decoder vp8Decoder = new VP8Decoder();
vp8Decoder.decodeFrame(iis, false);
iis.close();
return vp8Decoder.getFrame().getBufferedImage();
} catch (Exception e) {
return null;
}
}
public void runTest(Object ctx, int numReps) {
final Context ictx = (Context) ctx;
try {
do {
ImageInputStream iis = ictx.createImageInputStream();
iis.close();
ictx.closeOriginalStream();
} while (--numReps >= 0);
} catch (IOException e) {
e.printStackTrace();
}
}
@Test
public void testCloseQuietlyImageInputStreamOpen() {
final ImageInputStream in = new MemoryCacheImageInputStream(new NullInputStream(1000));
IOUtils.closeQuietly(in);
try {
in.close();
fail();
} catch (IOException e) {
// This, oddly, the expected behavior of close().
}
}
/**
* Load image data for file and put user data attributes into file.
*
* @param file File
* @return true if file image is loaded.
* @throws java.io.IOException if image can not be loaded
*/
private static boolean refresh(@NotNull VirtualFile file) throws IOException {
Long loadedTimeStamp = file.getUserData(TIMESTAMP_KEY);
SoftReference<BufferedImage> imageRef = file.getUserData(BUFFERED_IMAGE_REF_KEY);
if (loadedTimeStamp == null
|| loadedTimeStamp.longValue() != file.getTimeStamp()
|| SoftReference.dereference(imageRef) == null) {
try {
final byte[] content = file.contentsToByteArray();
if (ICO_FORMAT.equalsIgnoreCase(file.getExtension())) {
try {
final BufferedImage image =
ICO_IMAGE_PARSER.getBufferedImage(new ByteSourceArray(content), null);
file.putUserData(FORMAT_KEY, ICO_FORMAT);
file.putUserData(BUFFERED_IMAGE_REF_KEY, new SoftReference<>(image));
return true;
} catch (ImageReadException ignore) {
}
}
InputStream inputStream = new ByteArrayInputStream(content, 0, content.length);
ImageInputStream imageInputStream = ImageIO.createImageInputStream(inputStream);
try {
Iterator<ImageReader> imageReaders = ImageIO.getImageReaders(imageInputStream);
if (imageReaders.hasNext()) {
ImageReader imageReader = imageReaders.next();
try {
file.putUserData(FORMAT_KEY, imageReader.getFormatName());
ImageReadParam param = imageReader.getDefaultReadParam();
imageReader.setInput(imageInputStream, true, true);
int minIndex = imageReader.getMinIndex();
BufferedImage image = imageReader.read(minIndex, param);
file.putUserData(BUFFERED_IMAGE_REF_KEY, new SoftReference<>(image));
return true;
} finally {
imageReader.dispose();
}
}
} finally {
imageInputStream.close();
}
} finally {
// We perform loading no more needed
file.putUserData(TIMESTAMP_KEY, file.getTimeStamp());
}
}
return false;
}
/**
* Retrieve image dimensions. This method simply reads headers so it should perform relatively
* fast.
*/
protected static Dimension retrieveImageDimensions(File imageFile) throws IOException {
long start = System.currentTimeMillis();
if (!imageFile.exists()) {
logger.info(
"No file found while determining image dimensions: " + imageFile.getAbsolutePath());
return null;
}
ImageInputStream iis = null;
Dimension dimensions = null;
ImageReader reader = null;
// use a FileInputStream and make sure it gets closed to prevent unclosed file
// errors on some operating systems
FileInputStream fis = null;
try {
fis = new FileInputStream(imageFile);
iis = ImageIO.createImageInputStream(fis);
Iterator<ImageReader> readers = ImageIO.getImageReaders(iis);
if (readers.hasNext()) {
reader = readers.next();
reader.setInput(iis, true);
dimensions = new Dimension(reader.getWidth(0), reader.getHeight(0));
}
} finally {
if (reader != null) {
reader.dispose();
}
if (iis != null) {
try {
iis.close();
} catch (IOException e) {
// ignore
}
}
IOUtils.closeQuietly(fis);
}
if (logger.isDebugEnabled()) {
long execution = (System.currentTimeMillis() - start);
logger.debug(
"Image dimension lookup for "
+ imageFile.getAbsolutePath()
+ " took "
+ (execution / 1000.000)
+ " s");
}
return dimensions;
}
@Test
public void test16BitPNG() throws Exception {
// the resource has been compressed since the palette is way larger than the image itself,
// and the palette does not get compressed
InputStream gzippedStream =
ImageWorkerTest.class.getResource("test-data/sf-sfdem.tif.gz").openStream();
GZIPInputStream is = new GZIPInputStream(gzippedStream);
try {
ImageInputStream iis = ImageIO.createImageInputStream(is);
ImageReader reader = new TIFFImageReaderSpi().createReaderInstance(iis);
reader.setInput(iis);
BufferedImage bi = reader.read(0);
reader.dispose();
iis.close();
IndexColorModel icm = (IndexColorModel) bi.getColorModel();
assertEquals(65536, icm.getMapSize());
final File outFile = TestData.temp(this, "temp.png");
ImageWorker worker = new ImageWorker(bi);
worker.writePNG(outFile, "FILTERED", 0.75f, true, false);
worker.dispose();
// make sure we can read it
BufferedImage back = ImageIO.read(outFile);
// we expect a RGB one
ComponentColorModel ccm = (ComponentColorModel) back.getColorModel();
assertEquals(3, ccm.getNumColorComponents());
// now ask to write paletted
worker = new ImageWorker(bi);
worker.writePNG(outFile, "FILTERED", 0.75f, true, true);
worker.dispose();
// make sure we can read it
back = ImageIO.read(outFile);
// we expect a RGB one
icm = (IndexColorModel) back.getColorModel();
assertEquals(3, icm.getNumColorComponents());
assertTrue(icm.getMapSize() <= 256);
} finally {
is.close();
}
}
/**
* 得到图片地址路径
*
* @param path
* @return
*/
public static boolean listDir(String path) {
File picPath = new File("/home/lifeix/temp/uploadpicPath.txt");
// File picPath = new File("/home/lifeix/temp/picPath.txt");
if (picPath.exists()) {
try {
imgsArr = FileUtils.readLines(picPath);
return true;
} catch (IOException e) {
e.printStackTrace();
}
}
File dir = new File(path);
File[] files = dir.listFiles();
for (File file : files) {
if (file.isDirectory()) {
listDir(file.getAbsolutePath());
} else {
try {
ImageInputStream is = ImageIO.createImageInputStream(file);
if (is != null && file.getAbsolutePath().endsWith(".jpg")) {
imgsArr.add(file.getAbsolutePath());
System.out.println(file.getAbsolutePath());
}
is.close();
} catch (IOException e) {
e.printStackTrace();
}
// System.out.println(file.getAbsolutePath());
// System.out.println(file.getParent() + "-->" + file.getName());
}
}
if (picPath.exists()) {
try {
FileUtils.writeLines(picPath, imgsArr);
} catch (IOException e) {
e.printStackTrace();
}
}
return true;
}
/**
* *****************************************************************************************************************
*
* @inheritDoc
* ****************************************************************************************************************
*/
public boolean canDecodeInput(Object source) throws IOException {
if (source instanceof ImageInputStream) {
return canDecodeInput((ImageInputStream) source);
} else {
ImageInputStream iis = null;
try {
iis = ImageIO.createImageInputStream(source);
if (iis != null) {
return canDecodeInput(iis);
}
} finally {
if (iis != null) {
iis.close();
}
}
}
return false;
}
@Test
public void test16BitGIF() throws Exception {
// the resource has been compressed since the palette is way larger than the image itself,
// and the palette does not get compressed
InputStream gzippedStream =
ImageWorkerTest.class.getResource("test-data/sf-sfdem.tif.gz").openStream();
GZIPInputStream is = new GZIPInputStream(gzippedStream);
try {
ImageInputStream iis = ImageIO.createImageInputStream(is);
ImageReader reader = new TIFFImageReaderSpi().createReaderInstance(iis);
reader.setInput(iis);
BufferedImage bi = reader.read(0);
if (TestData.isInteractiveTest()) {
ImageIOUtilities.visualize(bi, "before");
}
reader.dispose();
iis.close();
IndexColorModel icm = (IndexColorModel) bi.getColorModel();
assertEquals(65536, icm.getMapSize());
final File outFile = TestData.temp(this, "temp.gif");
ImageWorker worker = new ImageWorker(bi);
worker.writeGIF(outFile, "LZW", 0.75f);
// Read it back.
bi = ImageIO.read(outFile);
if (TestData.isInteractiveTest()) {
ImageIOUtilities.visualize(bi, "after");
}
ColorModel cm = bi.getColorModel();
assertTrue("wrong color model", cm instanceof IndexColorModel);
assertEquals("wrong transparency model", Transparency.OPAQUE, cm.getTransparency());
final IndexColorModel indexColorModel = (IndexColorModel) cm;
assertEquals("wrong transparent color index", -1, indexColorModel.getTransparentPixel());
assertEquals("wrong component size", 8, indexColorModel.getComponentSize(0));
outFile.delete();
} finally {
is.close();
}
}
/**
* reads a NSky DW LUT (BBDR breadboard procedure GA_read_LUT_Nsky, first LUT) * This LUT is
* equivalent to the original IDL LUT. * A LUT value can be accessed with lut.getValue(new
* double[]{wvlValue, ozoValue, cwvValue, angValue, kxValue, kxcaseValue});
*
* @param sensor The sensor
* @return LookupTable
* @throws java.io.IOException when failing to real LUT data
*/
public static NskyLookupTable getNskyLookupTableDw(Sensor sensor) throws IOException {
ImageInputStream iis = Luts.getNskyDwLutData(sensor.getInstrument());
try {
// read LUT dimensions and values
float[] sza = Luts.readDimension(iis);
int nSza = sza.length;
float[] hsf = Luts.readDimension(iis);
int nHsf = hsf.length;
float[] aot = Luts.readDimension(iis);
int nAot = aot.length;
int nSpec = iis.readInt();
float[] spec = new float[nSpec];
for (int i = 0; i < spec.length; i++) {
spec[i] = (i + 1) * 1.0f;
}
double kppVol = iis.readDouble();
double kppGeo = iis.readDouble();
// todo: again, we have an array of length 2 as innermost part of the LUT,
// which has no meanigful name in breadboard --> clarify
float[] values = new float[] {1.0f, 2.0f};
int nValues = values.length;
float[] lut = new float[nValues * nSza * nHsf * nAot * nSpec];
iis.readFully(lut, 0, lut.length);
// store in original sequence (see breadboard: GA_read_LUT_Nsky)
NskyLookupTable nskyLut = new NskyLookupTable();
nskyLut.setLut(new LookupTable(lut, spec, aot, hsf, sza, values));
nskyLut.setKppGeo(kppGeo);
nskyLut.setKppVol(kppVol);
return nskyLut;
} finally {
iis.close();
}
}
/**
* 图片截取
*
* @param file
* @param newName
* @param path
* @param x
* @param y
* @param width
* @param height
* @return author:caobo date:Oct 14, 2009 12:38:05 PM
*/
public static File cutting(
File file, String newName, String path, int x, int y, int width, int height) {
ImageOutputStream out = null;
InputStream is = null;
ImageInputStream iis = null;
try {
String endName = file.getName();
endName = endName.substring(endName.lastIndexOf(".") + 1);
Iterator<ImageReader> readers = ImageIO.getImageReadersByFormatName(endName);
ImageReader reader = (ImageReader) readers.next();
is = new FileInputStream(file);
iis = ImageIO.createImageInputStream(is);
reader.setInput(iis, true);
ImageReadParam param = reader.getDefaultReadParam();
Rectangle rect = new Rectangle(x, y, width, height);
param.setSourceRegion(rect);
BufferedImage bi = reader.read(0, param);
File newFile = new File(path);
if (!newFile.exists()) newFile.mkdirs();
newFile = new File(path, newName);
out = ImageIO.createImageOutputStream(new FileOutputStream(newFile));
ImageIO.write(bi, endName, out);
file = newFile;
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
iis.close();
is.close();
out.close();
} catch (Exception e) {
e.printStackTrace();
}
}
return file;
}
public static void extract(File original, final File thumb, final File proof) throws IOException {
ImageInputStream in = new FileImageInputStream(original);
new CiffReader()
.read(
in,
new ReaderHandler() {
public boolean startFolder(int tag, String name) {
return (tag == 0);
}
public void endFolder() {}
public ValueAction atValue(int tag, String name, int count) {
boolean stream =
((thumb != null) && (tag == THUMB_TAG))
|| ((proof != null) && (tag == PROOF_TAG));
return (stream) ? ValueAction.RAW : ValueAction.SKIP;
}
public void handleValue(int tag, String name, int count, Object value) {}
public void handleRawValue(int tag, String name, int count, ImageInputStream is)
throws IOException {
File file = (tag == THUMB_TAG) ? thumb : proof;
stream(is, new FileOutputStream(file), count);
}
public String getMake() {
return null;
}
});
in.close();
}
