chromium/third_party/skia/include/core/SkStream.h

/*
 * Copyright 2006 The Android Open Source Project
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef SkStream_DEFINED
#define SkStream_DEFINED

#include "include/core/SkData.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkScalar.h"
#include "include/core/SkTypes.h"
#include "include/private/base/SkCPUTypes.h"
#include "include/private/base/SkTo.h"

#include <cstdint>
#include <cstdio>
#include <cstring>
#include <memory>
#include <utility>
class SkStreamAsset;

/**
 *  SkStream -- abstraction for a source of bytes. Subclasses can be backed by
 *  memory, or a file, or something else.
 */
class SK_API SkStream { … };

/** SkStreamRewindable is a SkStream for which rewind and duplicate are required. */
class SK_API SkStreamRewindable : public SkStream { … };

/** SkStreamSeekable is a SkStreamRewindable for which position, seek, move, and fork are required. */
class SK_API SkStreamSeekable : public SkStreamRewindable { … };

/** SkStreamAsset is a SkStreamSeekable for which getLength is required. */
class SK_API SkStreamAsset : public SkStreamSeekable { … };

/** SkStreamMemory is a SkStreamAsset for which getMemoryBase is required. */
class SK_API SkStreamMemory : public SkStreamAsset { … };

class SK_API SkWStream { … };

class SK_API SkNullWStream : public SkWStream { … };

////////////////////////////////////////////////////////////////////////////////////////

/** A stream that wraps a C FILE* file stream. */
class SK_API SkFILEStream : public SkStreamAsset { … };

class SK_API SkMemoryStream : public SkStreamMemory { … };

/////////////////////////////////////////////////////////////////////////////////////////////

class SK_API SkFILEWStream : public SkWStream { … };

class SK_API SkDynamicMemoryWStream : public SkWStream { … };

#endif