michael@0: 
michael@0: /*
michael@0:  * Copyright 2010 The Android Open Source Project
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: 
michael@0: #ifndef SkFlate_DEFINED
michael@0: #define SkFlate_DEFINED
michael@0: 
michael@0: #include "SkTypes.h"
michael@0: 
michael@0: class SkData;
michael@0: class SkWStream;
michael@0: class SkStream;
michael@0: 
michael@0: /** \class SkFlate
michael@0:     A class to provide access to the flate compression algorithm.
michael@0: */
michael@0: class SkFlate {
michael@0: public:
michael@0:     /** Indicates if the flate algorithm is available.
michael@0:      */
michael@0:     static bool HaveFlate();
michael@0: 
michael@0:     /**
michael@0:      *  Use the flate compression algorithm to compress the data in src,
michael@0:      *  putting the result into dst.  Returns false if an error occurs.
michael@0:      */
michael@0:     static bool Deflate(SkStream* src, SkWStream* dst);
michael@0: 
michael@0:     /**
michael@0:      *  Use the flate compression algorithm to compress the data in src,
michael@0:      *  putting the result into dst.  Returns false if an error occurs.
michael@0:      */
michael@0:     static bool Deflate(const void* src, size_t len, SkWStream* dst);
michael@0: 
michael@0:     /**
michael@0:      *  Use the flate compression algorithm to compress the data,
michael@0:      *  putting the result into dst.  Returns false if an error occurs.
michael@0:      */
michael@0:     static bool Deflate(const SkData*, SkWStream* dst);
michael@0: 
michael@0:     /** Use the flate compression algorithm to decompress the data in src,
michael@0:         putting the result into dst.  Returns false if an error occurs.
michael@0:      */
michael@0:     static bool Inflate(SkStream* src, SkWStream* dst);
michael@0: };
michael@0: 
michael@0: #endif