public BufferedImage getTileImage(int x, int y) throws IOException {
SRCachedTile cachedTile = cache.get(new CacheKey(x, y));
BufferedImage image = null;
if (cachedTile != null) {
CachedTile tile = cachedTile.get();
if (tile != null) {
if (tile.loaded) log.trace(String.format("Cache hit: x=%d y=%d", x, y));
image = tile.getImage();
if (!tile.nextLoadJobCreated) {
// log.debug(String.format("Preload job added : x=%d y=%d l=%d",
// x + 1, y, layer));
preloadTile(new CachedTile(new CacheKey(x + 1, y)));
tile.nextLoadJobCreated = true;
}
}
}
if (image == null) {
log.trace(String.format("Cache miss: x=%d y=%d", x, y));
// log.debug(String.format("Preload job added : x=%d y=%d l=%d", x +
// 1, y, layer));
preloadTile(new CachedTile(new CacheKey(x + 1, y)));
image = internalGetTileImage(x, y);
}
return image;
}
