X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fgraphics%2Fpng%2Fpngloader.h;h=de8b53537c4b527526b109a0b66e63fbdf5e8e59;hb=d163b3628fee61ea4acad0e9429aab904b03bf70;hp=0bb5fd7a575c2d559939fcbab0a1cf7b71d58b11;hpb=cfd3548464e6424fc9decf0539d6cd04b031ba10;p=libs%2Fgui.git

diff --git a/source/graphics/png/pngloader.h b/source/graphics/png/pngloader.h
index 0bb5fd7..de8b535 100644
--- a/source/graphics/png/pngloader.h
+++ b/source/graphics/png/pngloader.h
@@ -6,7 +6,7 @@
 namespace Msp {
 namespace Graphics {
 
-class PngLoader: public ImageLoader
+class PngLoader: public RegisteredImageLoader<PngLoader>
 {
 private:
 	struct Private;
@@ -14,9 +14,10 @@ private:
 	Private *priv;
 
 public:
-	PngLoader(IO::Base &, const std::string &);
+	PngLoader(IO::Base &, unsigned = 0);
 	virtual ~PngLoader();
 
+	static unsigned get_signature_size() { return 8; }
 	static bool detect(const std::string &);
 
 	virtual void load(Image::Data &);