SkMallocPixelRef.h

/*
 * Copyright 2008 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 SkMallocPixelRef_DEFINED
#define SkMallocPixelRef_DEFINED

#include "SkPixelRef.h"

class SK_API SkMallocPixelRef : public SkPixelRef {
public:
    static sk_sp<SkPixelRef> MakeDirect(const SkImageInfo&, void* addr,
                                       size_t rowBytes, sk_sp<SkColorTable>);

    static sk_sp<SkPixelRef> MakeAllocate(const SkImageInfo&, size_t rowBytes, sk_sp<SkColorTable>);

    static sk_sp<SkPixelRef> MakeZeroed(const SkImageInfo&, size_t rowBytes, sk_sp<SkColorTable>);

    typedef void (*ReleaseProc)(void* addr, void* context);
    static sk_sp<SkPixelRef> MakeWithProc(const SkImageInfo& info,
                                          size_t rowBytes, sk_sp<SkColorTable>,
                                          void* addr, ReleaseProc proc,
                                          void* context);

    static sk_sp<SkPixelRef> MakeWithData(const SkImageInfo& info,
                                          size_t rowBytes,
                                          sk_sp<SkColorTable>,
                                          sk_sp<SkData> data);

protected:
    ~SkMallocPixelRef() override;

private:
    // Uses alloc to implement NewAllocate or NewZeroed.
    static sk_sp<SkPixelRef> MakeUsing(void*(*alloc)(size_t),
                                       const SkImageInfo&,
                                       size_t rowBytes,
                                       sk_sp<SkColorTable>);

    ReleaseProc fReleaseProc;
    void*       fReleaseProcContext;

    SkMallocPixelRef(const SkImageInfo&, void* addr, size_t rb, sk_sp<SkColorTable>,
                     ReleaseProc proc, void* context);

    typedef SkPixelRef INHERITED;
};


#endif