public float getR4(int id) {
Property p = (Property) properties.get(new Integer(id));
try {
int offset = p.getOffset();
stream.seek(offset);
return stream.readFloatLE();
} catch (IOException e) {
ImagingListenerProxy.errorOccurred(JaiI18N.getString("PropertySet6"), e, this, false);
// e.printStackTrace();
return -1.0F;
}
}
public int getUI1(int id) {
Property p = (Property) properties.get(new Integer(id));
try {
int offset = p.getOffset();
stream.seek(offset);
return stream.readUnsignedByte();
} catch (IOException e) {
ImagingListenerProxy.errorOccurred(JaiI18N.getString("PropertySet1"), e, this, false);
// e.printStackTrace();
}
return -1;
}
public long getUI4(int id, long defaultValue) {
Property p = (Property) properties.get(new Integer(id));
if (p == null) {
return defaultValue;
}
try {
int offset = p.getOffset();
stream.seek(offset);
return stream.readUnsignedIntLE();
} catch (IOException e) {
ImagingListenerProxy.errorOccurred(JaiI18N.getString("PropertySet4"), e, this, false);
// e.printStackTrace();
}
return -1;
}
public byte[] getBlob(int id) {
Property p = (Property) properties.get(new Integer(id));
try {
int offset = p.getOffset();
stream.seek(offset);
int length = stream.readIntLE();
byte[] buf = new byte[length];
stream.seek(offset + 4);
stream.readFully(buf);
return buf;
} catch (IOException e) {
ImagingListenerProxy.errorOccurred(JaiI18N.getString("PropertySet7"), e, this, false);
// e.printStackTrace();
return null;
}
}
public String getLPWSTR(int id) {
Property p = (Property) properties.get(new Integer(id));
try {
int offset = p.getOffset();
stream.seek(offset);
int length = stream.readIntLE();
StringBuffer sb = new StringBuffer(length);
for (int i = 0; i < length; i++) {
sb.append(stream.readCharLE());
}
return sb.toString();
} catch (IOException e) {
ImagingListenerProxy.errorOccurred(JaiI18N.getString("PropertySet5"), e, this, false);
// e.printStackTrace();
return null;
}
}
public PropertySet(SeekableStream stream) throws IOException {
this.stream = stream;
stream.seek(44);
int sectionOffset = stream.readIntLE();
stream.seek(sectionOffset);
int sectionSize = stream.readIntLE();
int sectionCount = stream.readIntLE();
for (int i = 0; i < sectionCount; i++) {
stream.seek(sectionOffset + 8 * i + 8);
int pid = stream.readIntLE();
int offset = stream.readIntLE();
stream.seek(sectionOffset + offset);
int type = stream.readIntLE();
Property p = new Property(type, sectionOffset + offset + 4);
properties.put(new Integer(pid), p);
}
}