The Tor Browser: gfx/skia/trunk/src/images/SkImageRef

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     2 /*

     3  * Copyright 2011 Google Inc.

     4  *

     5  * Use of this source code is governed by a BSD-style license that can be

     6  * found in the LICENSE file.

     7  */

     8 #ifndef SkImageRef_ashmem_DEFINED

     9 #define SkImageRef_ashmem_DEFINED

    11 #include "SkImageRef.h"

    13 struct SkAshmemRec {

    14     int     fFD;

    15     void*   fAddr;

    16     size_t  fSize;

    17     bool    fPinned;

    18 };

    20 class SkImageRef_ashmem : public SkImageRef {

    21 public:

    22     SkImageRef_ashmem(const SkImageInfo&, SkStreamRewindable*, int sampleSize = 1);

    23     virtual ~SkImageRef_ashmem();

    25     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkImageRef_ashmem)

    27 protected:

    28     SkImageRef_ashmem(SkReadBuffer&);

    29     virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;

    31     virtual bool onDecode(SkImageDecoder* codec, SkStreamRewindable* stream,

    32                           SkBitmap* bitmap, SkBitmap::Config config,

    33                           SkImageDecoder::Mode mode);

    35     virtual bool onNewLockPixels(LockRec*) SK_OVERRIDE;

    36     virtual void onUnlockPixels() SK_OVERRIDE;

    38 private:

    39     void closeFD();

    41     SkColorTable* fCT;

    42     SkAshmemRec fRec;

    44     typedef SkImageRef INHERITED;

    45 };

    47 #endif

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