// takes the reader lock
BufferedImage getAssociatedImage(String name) throws IOException {
Lock rl = lock.readLock();
rl.lock();
try {
checkDisposed();
long dim[] = new long[2];
OpenSlideJNI.openslide_get_associated_image_dimensions(osr, name, dim);
checkError();
if (dim[0] == -1) {
// non-terminal error
throw new IOException("Failure reading associated image");
}
BufferedImage img =
new BufferedImage((int) dim[0], (int) dim[1], BufferedImage.TYPE_INT_ARGB_PRE);
int data[] = ((DataBufferInt) img.getRaster().getDataBuffer()).getData();
OpenSlideJNI.openslide_read_associated_image(osr, name, data);
checkError();
return img;
} finally {
rl.unlock();
}
}
// takes the reader lock
public void paintRegionARGB(int dest[], long x, long y, int level, int w, int h)
throws IOException {
if ((long) w * (long) h > dest.length) {
throw new ArrayIndexOutOfBoundsException(
"Size of data (" + dest.length + ") is less than w * h");
}
if (w < 0 || h < 0) {
throw new IllegalArgumentException("w and h must be nonnegative");
}
Lock rl = lock.readLock();
rl.lock();
try {
checkDisposed();
OpenSlideJNI.openslide_read_region(osr, dest, x, y, level, w, h);
checkError();
} finally {
rl.unlock();
}
}
public OpenSlide(File file) throws IOException {
if (!file.exists()) {
throw new FileNotFoundException(file.toString());
}
// vartika on 5 august
filePath = file.getPath();
osr = OpenSlideJNI.openslide_open(file.getPath());
if (osr == 0) {
throw new IOException(file + ": Not a file that OpenSlide can recognize");
}
// dispose on error, we are in the constructor
try {
checkError();
} catch (IOException e) {
dispose();
throw e;
}
// store level count
levelCount = OpenSlideJNI.openslide_get_level_count(osr);
// store dimensions
levelWidths = new long[levelCount];
levelHeights = new long[levelCount];
levelDownsamples = new double[levelCount];
for (int i = 0; i < levelCount; i++) {
long dim[] = new long[2];
OpenSlideJNI.openslide_get_level_dimensions(osr, i, dim);
levelWidths[i] = dim[0];
levelHeights[i] = dim[1];
levelDownsamples[i] = OpenSlideJNI.openslide_get_level_downsample(osr, i);
}
// properties
HashMap<String, String> props = new HashMap<String, String>();
for (String s : OpenSlideJNI.openslide_get_property_names(osr)) {
props.put(s, OpenSlideJNI.openslide_get_property_value(osr, s));
}
properties = Collections.unmodifiableMap(props);
// associated images
HashMap<String, AssociatedImage> associated = new HashMap<String, AssociatedImage>();
for (String s : OpenSlideJNI.openslide_get_associated_image_names(osr)) {
associated.put(s, new AssociatedImage(s, this));
}
associatedImages = Collections.unmodifiableMap(associated);
// store info for hash and equals
canonicalFile = file.getCanonicalFile();
String quickhash1 = getProperties().get(PROPERTY_NAME_QUICKHASH1);
if (quickhash1 != null) {
hashCodeVal = (int) Long.parseLong(quickhash1.substring(0, 8), 16);
} else {
hashCodeVal = canonicalFile.hashCode();
}
// dispose on error, we are in the constructor
try {
checkError();
} catch (IOException e) {
dispose();
throw e;
}
}
