public void readHeader() throws IOException {
if (gotHeader) return;
if (iis == null) {
throw new IllegalStateException("Input source not set!");
}
metadata = new WBMPMetadata();
wbmpType = iis.readByte(); // TypeField
byte fixHeaderField = iis.readByte();
// check for valid wbmp image
if (fixHeaderField != 0 || !isValidWbmpType(wbmpType)) {
throw new IIOException(I18N.getString("WBMPImageReader2"));
}
metadata.wbmpType = wbmpType;
// Read image width
width = readMultiByteInteger();
metadata.width = width;
// Read image height
height = readMultiByteInteger();
metadata.height = height;
gotHeader = true;
}
public IIOMetadata getDefaultImageMetadata(ImageTypeSpecifier imageType, ImageWriteParam param) {
WBMPMetadata meta = new WBMPMetadata();
meta.wbmpType = 0; // default wbmp level
return meta;
}
