store headers only once, refs #7

actlibrary/include/actIAlgorithm.h

@@ -0,0 +1,38 @@
+//////////////////////////////////////////////////////////////////////////////////
+// Name:      actIAlgorithm.h
+// Product:   cv act library
+// Purpose:   IAlgorithm is an abstract base. All concrete algorithm-classes are
+//            derived from IAlgorithm.
+//
+// Copyright: (c) 2000 cv cryptovision GmbH
+//            all rights reserved
+// Licence:   The conditions for the use of this software are regulated 
+//            in the cv act library licence agreement.
+//////////////////////////////////////////////////////////////////////////////////
+
+#ifndef ACT_IAlgorithm_h
+#define ACT_IAlgorithm_h
+
+#include "actBasics.h"
+
+namespace act
+{
+	class Blob;
+
+	class IAlgorithm
+	{
+	public:
+		virtual ~IAlgorithm() { }
+
+		virtual void Write(const Blob& input) = 0;
+		virtual void Write(const byte* input, size_t insize) = 0;
+		virtual void Finalize() = 0;
+		virtual size_t GetAvailableSize() const = 0;
+		virtual size_t Read(Blob& output, size_t max = 0) = 0;
+		virtual size_t Read(byte* outbuffer, size_t buffersize) = 0;
+		virtual status_t GetStatus() const = 0;
+	};
+
+} // namespace act
+
+#endif // ACT_IAlgorithm_h