Add support for JPEG encoding option for HDMaps

web/js/dynmaputils.js

@@ -260,7 +260,8 @@ var DynmapTileLayer = L.TileLayer.extend({
 			zoom: this.zoomprefix(zoomoutlevel),
 			zoomprefix: (zoomoutlevel==0)?"":(this.zoomprefix(zoomoutlevel)+"_"),
 			x: x,
-			y: y
+			y: y,
+			fmt: this.options['image-format'] || 'png'
 		};
 	}
 });

web/js/hdmap.js

@@ -36,7 +36,7 @@ var HDMapType = DynmapTileLayer.extend({
 		// Y is inverted for HD-map.
 		info.y = -info.y;
 		info.scaledy = info.y >> 5;
-		return namedReplace('{prefix}{nightday}/{scaledx}_{scaledy}/{zoom}{x}_{y}.png', info);
+		return namedReplace('{prefix}{nightday}/{scaledx}_{scaledy}/{zoom}{x}_{y}.{fmt}', info);
 	},
 	zoomprefix: function(amount) {
 		// amount == 0 -> ''