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;
}
/**
* Gets resolution information about the coverage itself.
*
* @param reader an {@link ImageReader} to use for getting the resolution information.
* @throws IOException
* @throws TransformException
* @throws DataSourceException
*/
private void getResolutionInfo(ImageReader reader) throws IOException, TransformException {
// //
//
// get the dimension of the high resolution image and compute the
// resolution
//
// //
final Rectangle originalDim = new Rectangle(0, 0, reader.getWidth(0), reader.getHeight(0));
if (originalGridRange == null) {
originalGridRange = new GridEnvelope2D(originalDim);
}
// ///
//
// setting the higher resolution available for this coverage
//
// ///
highestRes = CoverageUtilities.getResolution((AffineTransform) raster2Model);
if (LOGGER.isLoggable(Level.FINE))
LOGGER.fine(
new StringBuffer("Highest Resolution = [")
.append(highestRes[0])
.append(",")
.append(highestRes[1])
.toString());
}
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;
}
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;
}
}
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();
}
}
}
/**
* 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);
}
/*
* 图片裁剪二分之一
*/
public static void cutHalfImage(String src, String dest) throws IOException {
Iterator iterator = ImageIO.getImageReadersByFormatName("jpg");
ImageReader reader = (ImageReader) iterator.next();
InputStream in = new FileInputStream(src);
ImageInputStream iis = ImageIO.createImageInputStream(in);
reader.setInput(iis, true);
ImageReadParam param = reader.getDefaultReadParam();
int imageIndex = 0;
int width = reader.getWidth(imageIndex) / 2;
int height = reader.getHeight(imageIndex) / 2;
Rectangle rect = new Rectangle(width / 2, height / 2, width, height);
param.setSourceRegion(rect);
BufferedImage bi = reader.read(0, param);
ImageIO.write(bi, "jpg", new File(dest));
}
/**
* Extract the ImageLayout from the provided reader for the first available image.
*
* @param reader an istance of {@link ImageReader}
* @throws IOException in case an error occurs
*/
protected void setLayout(ImageReader reader) throws IOException {
Utilities.ensureNonNull("reader", reader);
// save ImageLayout
ImageLayout2 layout = new ImageLayout2();
ImageTypeSpecifier its = reader.getImageTypes(0).next();
layout.setColorModel(its.getColorModel()).setSampleModel(its.getSampleModel());
layout.setMinX(0).setMinY(0).setWidth(reader.getWidth(0)).setHeight(reader.getHeight(0));
layout
.setTileGridXOffset(0)
.setTileGridYOffset(0)
.setTileWidth(reader.getTileWidth(0))
.setTileHeight(reader.getTileHeight(0));
setlayout(layout);
}
/**
* 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;
}
public static Dimension getDimesion(InputStream input) throws IOException {
try (ImageInputStream in = ImageIO.createImageInputStream(input)) {
final Iterator<ImageReader> readers = ImageIO.getImageReaders(in);
if (readers.hasNext()) {
ImageReader reader = readers.next();
try {
reader.setInput(in);
return new Dimension(reader.getWidth(0), reader.getHeight(0));
} finally {
reader.dispose();
}
}
} catch (IOException ex) {
}
BufferedImage image = read(input);
return new Dimension(image.getWidth(), image.getHeight());
}
private List<Tile> toTiles(
ImageReaderSpi provider, TileReaderPool readers, Set<ImageReaderSpi> providers, Path input)
throws IOException {
// Creates the tile for the first image, which usually have the maximal resolution.
// The Tile constructor will read the TFW file and infer a provider if the given
// 'provider' argument is null. If this is a new provider, then we need to declare
// it to the pool of image readers before to use it.
final List<Tile> tiles = new ArrayList<>();
final Tile root = new Tile(provider, input, 0);
if (providers.add(root.getImageReaderSpi())) {
readers.setProviders(providers);
}
final AffineTransform scaledGridToCRS = new AffineTransform();
final AffineTransform gridToCRS = root.getPendingGridToCRS(false);
final ImageReader reader = root.getImageReader(readers, true, true);
final int numImages = reader.getNumImages(false); // Result may be -1.
for (int index = 0; index != numImages; index++) { // Intentional use of !=, not <.
final int width, height;
try {
width = reader.getWidth(index);
height = reader.getHeight(index);
} catch (IndexOutOfBoundsException e) {
// As explained in ImageReader javadoc, this approach is sometime
// more efficient than invoking reader.getNumImages(true) first.
break;
}
final Tile tile;
if (index == 0) {
tile = root;
} else {
final Rectangle region = root.getRegion();
scaledGridToCRS.setTransform(new AffineTransform(gridToCRS));
scaledGridToCRS.scale(region.width / (double) width, region.height / (double) height);
tile = new Tile(root.getImageReaderSpi(), input, index, region, scaledGridToCRS);
}
tile.setSize(width, height);
tiles.add(tile);
}
reader.dispose();
return tiles;
}
public static String getImageDim(final String path, final String suffix) {
int width = 0;
int height = 0;
// Dimension result = null;
Iterator<ImageReader> iter = ImageIO.getImageReadersBySuffix(suffix);
if (iter.hasNext()) {
ImageReader reader = iter.next();
try {
ImageInputStream stream = new FileImageInputStream(new File(path));
reader.setInput(stream);
width = reader.getWidth(reader.getMinIndex());
height = reader.getHeight(reader.getMinIndex());
// result = new Dimension(width, height);
} catch (IOException e) {
} finally {
reader.dispose();
}
} else {
}
return "" + width + "::" + height;
}
@Test
public void imageReadParam() throws IOException {
Iterator<ImageReader> itr = ImageIO.getImageReadersByFormatName("jpg");
ImageReader imageReader = itr.next();
ImageInputStream imageInputStream = ImageIO.createImageInputStream(new File(SRCIMG));
imageReader.setInput(imageInputStream, true);
ImageReadParam imageReadParam = imageReader.getDefaultReadParam();
int halfWidth = imageReader.getWidth(0) / 2;
int halfHeight = imageReader.getHeight(0) / 2;
Rectangle rectangle = new Rectangle(0, 0, halfWidth, halfHeight);
imageReadParam.setSourceRegion(rectangle);
BufferedImage bufferedImage = imageReader.read(0, imageReadParam);
System.out.println(bufferedImage.getWidth());
boolean result = ImageIO.write(bufferedImage, "png", new File(CONTEXT + "999.png"));
System.out.println(result);
}
/**
* Standard constructor: needs a PictureFileDataPolicy.
*
* @param file The files which data are to be handled by this instance.
* @param root The root directory, to calculate the relative dir (see {@link #getRelativeDir()}.
* @param uploadPolicy The current upload policy
* @throws JUploadIOException Encapsulation of the IOException, if any would occurs.
*/
public PictureFileData(File file, File root, PictureUploadPolicy uploadPolicy)
throws JUploadIOException {
super(file, root, uploadPolicy);
// EGR Should be useless
// this.uploadPolicy = (PictureUploadPolicy) super.uploadPolicy;
this.storeBufferedImage = uploadPolicy.hasToStoreBufferedImage();
String fileExtension = getFileExtension();
// Is it a picture?
Iterator<ImageReader> iter = ImageIO.getImageReadersByFormatName(fileExtension);
if (iter.hasNext()) {
// It's a picture: we store its original width and height, for
// further calculation (rescaling and rotation).
this.isPicture = true;
try {
FileImageInputStream fiis = new FileImageInputStream(getFile());
ImageReader ir = iter.next();
ir.setInput(fiis);
this.originalHeight = ir.getHeight(0);
this.originalWidth = ir.getWidth(0);
ir.dispose();
fiis.close();
} catch (IOException e) {
throw new JUploadIOException("PictureFileData()", e);
}
} else {
this.isPicture = false;
}
// Let's log the test result
uploadPolicy.displayDebug(
"isPicture=" + this.isPicture + " (" + file.getName() + "), extension=" + fileExtension,
75);
// If it's a picture, we override the default mime type:
if (this.isPicture) {
setMimeTypeByExtension(fileExtension);
}
}
private static MalletTexture.Meta createMeta(final String _path, final InputStream _stream) {
try (final ImageInputStream in = ImageIO.createImageInputStream(_stream)) {
final Iterator<ImageReader> readers = ImageIO.getImageReaders(in);
if (readers.hasNext()) {
final ImageReader reader = readers.next();
try {
reader.setInput(in);
// Add additional Meta information to MalletTexture as
// and when it becomes needed. It shouldn't hold too much (RGB, RGBA, Mono, endinese,
// 32, 24-bit, etc)
// data as a game-developer shouldn't need detailed information.
return new MalletTexture.Meta(_path, reader.getHeight(0), reader.getWidth(0));
} finally {
reader.dispose();
}
}
} catch (IOException ex) {
ex.printStackTrace();
}
return null;
}
private BufferedImage scaleDown(
final ImageInputStream inputStream, final int maxWidth, final int maxHeight)
throws IOException {
final Iterator<ImageReader> readers = ImageIO.getImageReaders(inputStream);
if (!readers.hasNext()) {
throw new IOException("No ImageReader available for the given ImageInputStream");
}
// Use the first reader, next will instantiate ImageReader which needs to be disposed
final ImageReader reader = readers.next();
try {
final ImageReadParam param = reader.getDefaultReadParam();
reader.setInput(inputStream);
final Dimension original = new Dimension(reader.getWidth(0), reader.getHeight(0));
final Dimension target = new Dimension(maxWidth, maxHeight);
final int ratio = maintainAspectRatio(original, target);
param.setSourceSubsampling(ratio, ratio, 0, 0);
return reader.read(0, param);
} finally {
reader.dispose();
}
}
private static JSONObject getResultJson(File file, boolean extractLiveProject)
throws IOException, JSONException, ScriptException {
final JSONObject result = new JSONObject();
result.put("formatChecked", true);
final ImageInputStream iis = ImageIO.createImageInputStream(file);
final Iterator<ImageReader> iterator = ImageIO.getImageReaders(iis);
if (!iterator.hasNext()) {
result.put("rejected", true);
result.put("message", "Unknown image format: can't create an ImageInputStream");
return result;
}
final ImageReader reader = iterator.next();
final JSONObject imageType = SimagisLiveUtils.openObject(result, "imageType");
try {
reader.setInput(iis);
JSONObject formatSpecific = new JSONObject();
formatSpecific.put("javaFormatType", "DICOM");
formatSpecific.put("javaFormatName", reader.getFormatName());
result.put("formatSpecific", formatSpecific);
final int dimX = reader.getWidth(0);
final int dimY = reader.getHeight(0);
if ((long) dimX * (long) dimY >= 512L * 1024L * 1024L) {
result.put("rejected", true);
result.put("message", "Too large image (more than 512 million pixels)");
return result;
// We are little reinsuring here: Java API can try to create a single byte[]
// or short[] array with packed RGB triples (3 * dimX * dimY), and we would like
// to be sure that its size will be far from the Java language limit 2 GB.
}
result.put("dimX", dimX);
result.put("dimY", dimY);
final Iterator<ImageTypeSpecifier> iioImageTypes = reader.getImageTypes(0);
if (iioImageTypes != null && iioImageTypes.hasNext()) {
// some 3rd party implementation can still return null here, though it is prohibited in
// JavaDoc
ImageTypeSpecifier imageTypeSpecifier = iioImageTypes.next();
imageType.put("numComponents", imageTypeSpecifier.getNumComponents());
imageType.put("numBands", imageTypeSpecifier.getNumBands());
if (imageTypeSpecifier.getNumComponents() >= 4) {
result.put("recommendedRenderingFormat", "png");
}
}
final IIOMetadata streamMetadata = reader.getStreamMetadata();
final IIOMetadataToJsonConverter converter = new IIOMetadataToJsonConverter();
if (streamMetadata != null) {
DICOMImageIOMetadata imageIOMetadata = DICOMImageIOMetadata.getInstance(streamMetadata, 0);
if (imageIOMetadata != null) {
result.put("DICOMMetadata", new JSONObject(imageIOMetadata));
}
result.put("streamMetadata", converter.toJson(streamMetadata));
}
final IIOMetadata imageMetadata = reader.getImageMetadata(0);
if (imageMetadata != null) {
result.put("imageMetadata", converter.toJson(imageMetadata));
}
} finally {
reader.dispose();
iis.close();
}
if (extractLiveProject) {
JSONObject liveProject = extractLiveProject(result);
result.put("liveProject", liveProject);
result.remove("imageMetadata");
result.remove("streamMetadata");
}
result.put("rejected", false);
return result;
}
/**
* Initializes these instance variables from the image metadata:
*
* <pre>
* compression
* width
* height
* samplesPerPixel
* numBands
* colorMap
* photometricInterpretation
* sampleFormat
* bitsPerSample
* extraSamples
* tileOrStripWidth
* tileOrStripHeight
* </pre>
*/
private void initializeFromMetadata() {
TIFFField f;
// Compression
f = imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_COMPRESSION);
if (f == null) {
processWarningOccurred("Compression field is missing; assuming no compression");
compression = BaselineTIFFTagSet.COMPRESSION_NONE;
} else {
compression = f.getAsInt(0);
}
// Whether key dimensional information is absent.
boolean isMissingDimension = false;
// ImageWidth -> width
f = imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_IMAGE_WIDTH);
if (f != null) {
this.width = f.getAsInt(0);
} else {
processWarningOccurred("ImageWidth field is missing.");
isMissingDimension = true;
}
// ImageLength -> height
f = imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_IMAGE_LENGTH);
if (f != null) {
this.height = f.getAsInt(0);
} else {
processWarningOccurred("ImageLength field is missing.");
isMissingDimension = true;
}
// SamplesPerPixel
f = imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_SAMPLES_PER_PIXEL);
if (f != null) {
samplesPerPixel = f.getAsInt(0);
} else {
samplesPerPixel = 1;
isMissingDimension = true;
}
// If any dimension is missing and there is a JPEG stream available
// get the information from it.
int defaultBitDepth = 1;
if (isMissingDimension
&& (f = imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_JPEG_INTERCHANGE_FORMAT))
!= null) {
Iterator iter = ImageIO.getImageReadersByFormatName("JPEG");
if (iter != null && iter.hasNext()) {
ImageReader jreader = (ImageReader) iter.next();
try {
stream.mark();
stream.seek(f.getAsLong(0));
jreader.setInput(stream);
if (imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_IMAGE_WIDTH) == null) {
this.width = jreader.getWidth(0);
}
if (imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_IMAGE_LENGTH) == null) {
this.height = jreader.getHeight(0);
}
ImageTypeSpecifier imageType = jreader.getRawImageType(0);
if (imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_SAMPLES_PER_PIXEL) == null) {
this.samplesPerPixel = imageType.getSampleModel().getNumBands();
}
stream.reset();
defaultBitDepth = imageType.getColorModel().getComponentSize(0);
} catch (IOException e) {
// Ignore it and proceed: an error will occur later.
}
jreader.dispose();
}
}
if (samplesPerPixel < 1) {
processWarningOccurred("Samples per pixel < 1!");
}
// SamplesPerPixel -> numBands
numBands = samplesPerPixel;
// ColorMap
this.colorMap = null;
f = imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_COLOR_MAP);
if (f != null) {
// Grab color map
colorMap = f.getAsChars();
}
// PhotometricInterpretation
f = imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_PHOTOMETRIC_INTERPRETATION);
if (f == null) {
if (compression == BaselineTIFFTagSet.COMPRESSION_CCITT_RLE
|| compression == BaselineTIFFTagSet.COMPRESSION_CCITT_T_4
|| compression == BaselineTIFFTagSet.COMPRESSION_CCITT_T_6) {
processWarningOccurred(
"PhotometricInterpretation field is missing; " + "assuming WhiteIsZero");
photometricInterpretation = BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_WHITE_IS_ZERO;
} else if (this.colorMap != null) {
photometricInterpretation = BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_PALETTE_COLOR;
} else if (samplesPerPixel == 3 || samplesPerPixel == 4) {
photometricInterpretation = BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_RGB;
} else {
processWarningOccurred(
"PhotometricInterpretation field is missing; " + "assuming BlackIsZero");
photometricInterpretation = BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_BLACK_IS_ZERO;
}
} else {
photometricInterpretation = f.getAsInt(0);
}
// SampleFormat
boolean replicateFirst = false;
int first = -1;
f = imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_SAMPLE_FORMAT);
sampleFormat = new int[samplesPerPixel];
replicateFirst = false;
if (f == null) {
replicateFirst = true;
first = BaselineTIFFTagSet.SAMPLE_FORMAT_UNDEFINED;
} else if (f.getCount() != samplesPerPixel) {
replicateFirst = true;
first = f.getAsInt(0);
}
for (int i = 0; i < samplesPerPixel; i++) {
sampleFormat[i] = replicateFirst ? first : f.getAsInt(i);
if (sampleFormat[i] != BaselineTIFFTagSet.SAMPLE_FORMAT_UNSIGNED_INTEGER
&& sampleFormat[i] != BaselineTIFFTagSet.SAMPLE_FORMAT_SIGNED_INTEGER
&& sampleFormat[i] != BaselineTIFFTagSet.SAMPLE_FORMAT_FLOATING_POINT
&& sampleFormat[i] != BaselineTIFFTagSet.SAMPLE_FORMAT_UNDEFINED) {
processWarningOccurred("Illegal value for SAMPLE_FORMAT, assuming SAMPLE_FORMAT_UNDEFINED");
sampleFormat[i] = BaselineTIFFTagSet.SAMPLE_FORMAT_UNDEFINED;
}
}
// BitsPerSample
f = imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_BITS_PER_SAMPLE);
this.bitsPerSample = new int[samplesPerPixel];
replicateFirst = false;
if (f == null) {
replicateFirst = true;
first = defaultBitDepth;
} else if (f.getCount() != samplesPerPixel) {
replicateFirst = true;
first = f.getAsInt(0);
}
for (int i = 0; i < samplesPerPixel; i++) {
// Replicate initial value if not enough values provided
bitsPerSample[i] = replicateFirst ? first : f.getAsInt(i);
if (DEBUG) {
System.out.println("bitsPerSample[" + i + "] = " + bitsPerSample[i]);
}
}
// ExtraSamples
this.extraSamples = null;
f = imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_EXTRA_SAMPLES);
if (f != null) {
extraSamples = f.getAsInts();
}
// System.out.println("colorMap = " + colorMap);
// if (colorMap != null) {
// for (int i = 0; i < colorMap.length; i++) {
// System.out.println("colorMap[" + i + "] = " + (int)(colorMap[i]));
// }
// }
}
/**
* Collect georeferencing information about this geotiff.
*
* @param hints
* @throws DataSourceException
*/
private void getHRInfo(Hints hints) throws DataSourceException {
ImageReader reader = null;
ImageReader ovrReader = null;
ImageInputStream ovrStream = null;
try {
// //
//
// Get a reader for this format
//
// //
reader = READER_SPI.createReaderInstance();
// //
//
// get the METADATA
//
// //
inStream.mark();
reader.setInput(inStream);
final IIOMetadata iioMetadata = reader.getImageMetadata(0);
final GeoTiffIIOMetadataDecoder metadata = new GeoTiffIIOMetadataDecoder(iioMetadata);
gtcs = new GeoTiffMetadata2CRSAdapter(hints);
// //
//
// get the CRS INFO
//
// //
final Object tempCRS = this.hints.get(Hints.DEFAULT_COORDINATE_REFERENCE_SYSTEM);
if (tempCRS != null) {
this.crs = (CoordinateReferenceSystem) tempCRS;
if (LOGGER.isLoggable(Level.FINE))
LOGGER.log(Level.FINE, "Using forced coordinate reference system");
} else {
// check external prj first
crs = getCRS(source);
// now, if we did not want to override the inner CRS or we did not have any external PRJ at
// hand
// let's look inside the geotiff
if (!OVERRIDE_INNER_CRS || crs == null) {
if (metadata.hasGeoKey() && gtcs != null) {
crs = gtcs.createCoordinateSystem(metadata);
}
}
}
//
// No data
//
if (metadata.hasNoData()) {
noData = metadata.getNoData();
}
//
// parse and set layout
//
setLayout(reader);
// //
//
// get the dimension of the hr image and build the model as well as
// computing the resolution
// //
numOverviews = reader.getNumImages(true) - 1;
int hrWidth = reader.getWidth(0);
int hrHeight = reader.getHeight(0);
final Rectangle actualDim = new Rectangle(0, 0, hrWidth, hrHeight);
originalGridRange = new GridEnvelope2D(actualDim);
if (gtcs != null
&& metadata != null
&& (metadata.hasModelTrasformation()
|| (metadata.hasPixelScales() && metadata.hasTiePoints()))) {
this.raster2Model = GeoTiffMetadata2CRSAdapter.getRasterToModel(metadata);
} else {
// world file
this.raster2Model = parseWorldFile(source);
// now world file --> mapinfo?
if (raster2Model == null) {
MapInfoFileReader mifReader = parseMapInfoFile(source);
if (mifReader != null) {
raster2Model = mifReader.getTransform();
crs = mifReader.getCRS();
}
}
}
if (crs == null) {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.warning("Coordinate Reference System is not available");
}
crs = AbstractGridFormat.getDefaultCRS();
}
if (this.raster2Model == null) {
TiePoint[] modelTiePoints = metadata.getModelTiePoints();
if (modelTiePoints != null && modelTiePoints.length > 1) {
// use a unit transform and expose the GCPs
gcps = new GroundControlPoints(Arrays.asList(modelTiePoints), crs);
raster2Model = ProjectiveTransform.create(new AffineTransform());
crs = AbstractGridFormat.getDefaultCRS();
} else {
throw new DataSourceException("Raster to Model Transformation is not available");
}
}
// create envelope using corner transformation
final AffineTransform tempTransform = new AffineTransform((AffineTransform) raster2Model);
tempTransform.concatenate(CoverageUtilities.CENTER_TO_CORNER);
originalEnvelope =
CRS.transform(ProjectiveTransform.create(tempTransform), new GeneralEnvelope(actualDim));
originalEnvelope.setCoordinateReferenceSystem(crs);
// ///
//
// setting the higher resolution available for this coverage
//
// ///
highestRes = new double[2];
highestRes[0] = XAffineTransform.getScaleX0(tempTransform);
highestRes[1] = XAffineTransform.getScaleY0(tempTransform);
if (ovrInStreamSPI != null) {
ovrReader = READER_SPI.createReaderInstance();
ovrStream =
ovrInStreamSPI.createInputStreamInstance(
ovrSource, ImageIO.getUseCache(), ImageIO.getCacheDirectory());
ovrReader.setInput(ovrStream);
// this includes the real image as this is a image index, we need to add one.
extOvrImgChoice = numOverviews + 1;
numOverviews = numOverviews + ovrReader.getNumImages(true);
if (numOverviews < extOvrImgChoice) extOvrImgChoice = -1;
}
// //
//
// get information for the successive images
//
// //
if (numOverviews >= 1) {
overViewResolutions = new double[numOverviews][2];
// Internal overviews start at 1, so lastInternalOverview matches numOverviews if no
// external.
int firstExternalOverview = extOvrImgChoice == -1 ? numOverviews : extOvrImgChoice - 1;
double spanRes0 = highestRes[0] * this.originalGridRange.getSpan(0);
double spanRes1 = highestRes[1] * this.originalGridRange.getSpan(1);
for (int i = 0; i < firstExternalOverview; i++) {
overViewResolutions[i][0] = spanRes0 / reader.getWidth(i + 1);
overViewResolutions[i][1] = spanRes1 / reader.getHeight(i + 1);
}
for (int i = firstExternalOverview; i < numOverviews; i++) {
overViewResolutions[i][0] = spanRes0 / ovrReader.getWidth(i - firstExternalOverview);
overViewResolutions[i][1] = spanRes1 / ovrReader.getHeight(i - firstExternalOverview);
}
} else overViewResolutions = null;
} catch (Throwable e) {
throw new DataSourceException(e);
} finally {
if (reader != null)
try {
reader.dispose();
} catch (Throwable t) {
}
if (ovrReader != null)
try {
ovrReader.dispose();
} catch (Throwable t) {
}
if (ovrStream != null)
try {
ovrStream.close();
} catch (Throwable t) {
}
if (inStream != null)
try {
inStream.reset();
} catch (Throwable t) {
}
}
}