@Override
public void close() {
dispose();
}
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;
}
}
