protected void cacheBufferedImage(
Element imageElement, BufferedImage buf, SVGGeneratorContext generatorContext)
throws SVGGraphics2DIOException {
ByteArrayOutputStream os;
if (generatorContext == null) throw new SVGGraphics2DRuntimeException(ERR_CONTEXT_NULL);
try {
os = new ByteArrayOutputStream();
// encode the image in memory
encodeImage(buf, os);
os.flush();
os.close();
} catch (IOException e) {
// should not happen since we do in-memory processing
throw new SVGGraphics2DIOException(ERR_UNEXPECTED, e);
}
// ask the cacher for a reference
String ref = imageCacher.lookup(os, buf.getWidth(), buf.getHeight(), generatorContext);
// set the URL
imageElement.setAttributeNS(XLINK_NAMESPACE_URI, XLINK_HREF_QNAME, getRefPrefix() + ref);
}
/**
* This <code>GenericImageHandler</code> implementation does not need to interact with the
* DOMTreeManager.
*/
public void setDOMTreeManager(DOMTreeManager domTreeManager) {
imageCacher.setDOMTreeManager(domTreeManager);
}
