X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fio%2Fzlibcompressed.h;h=30894cb9cf2345e7e5d79ed742dfe74e115ab99c;hp=feb21c635d406ea567708119fd2c9d467f697f0c;hb=e0266badf098a5cec2512eb693bca771e35fd3ab;hpb=a386a9ff068071aab19e6dcb0452e72784d84267

diff --git a/source/io/zlibcompressed.h b/source/io/zlibcompressed.h
index feb21c6..30894cb 100644
--- a/source/io/zlibcompressed.h
+++ b/source/io/zlibcompressed.h
@@ -3,6 +3,7 @@
 
 #include <stdexcept>
 #include <string>
+#include <sigc++/trackable.h>
 #include "base.h"
 
 namespace Msp {
@@ -27,7 +28,7 @@ operates on top of another I/O object.
 To ensure proper termination of the compressed data stream, the ZlibCompressed
 object must be destroyed before the underlying object is closed.
 */
-class ZlibCompressed: public Base
+class ZlibCompressed: public Base, public sigc::trackable
 {
 private:
 	struct Private;
@@ -45,6 +46,14 @@ public:
 	compression quality, ranging from 1 (fastest) to 9 (best compression). */
 	ZlibCompressed(Base &, unsigned level = 9);
 
+	/** Creates a zlib de/compression object.  Mode must be either read or
+	write, and compatible with the underlying object. */
+	ZlibCompressed(Base &, Mode, unsigned level = 9);
+
+private:
+	void init(unsigned);
+
+public:
 	virtual ~ZlibCompressed();
 
 	void flush();