miniz support in SkFlate / PDF

src/pdf/SkDeflateWStream.h

-/*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef SkDeflateWStream_DEFINED
-#define SkDeflateWStream_DEFINED
-
-#include "SkStream.h"
-// https://skia.org/dev/contrib/style#no-define-before-sktypes
-
-#ifndef SK_NO_FLATE  // Clients of this class should be guarded.
-
-/**
- * Wrap a stream in this class to compress the information written to
- * this stream using the Deflate algorithm.  Uses Zlib's
- * Z_DEFAULT_COMPRESSION level.
- *
- * See http://en.wikipedia.org/wiki/DEFLATE
- */
-class SkDeflateWStream : public SkWStream {
-public:
-    /** Does not take ownership of the stream. */
-    SkDeflateWStream(SkWStream*);
-
-    /** The destructor calls finalize(). */
-    ~SkDeflateWStream();
-
-    /** Write the end of the compressed stream.  All subsequent calls to
-        write() will fail. Subsequent calls to finalize() do nothing. */
-    void finalize();
-
-    // The SkWStream interface:
-    bool write(const void*, size_t) SK_OVERRIDE;
-    size_t bytesWritten() const SK_OVERRIDE;
-
-private:
-    struct Impl;
-    SkAutoTDelete<Impl> fImpl;
-};
-#endif  // SK_NO_FLATE
-
-#endif  // SkDeflateWStream_DEFINED