The Tor Browser: gfx/skia/trunk/include/gpu/SkGrPixelRef.h@deefc01c0e14

Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)

     1 /*

     2  * Copyright 2010 Google Inc.

     3  *

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

     5  * found in the LICENSE file.

     6  */

     8 #ifndef SkGrPixelRef_DEFINED

     9 #define SkGrPixelRef_DEFINED

    11 #include "SkBitmap.h"

    12 #include "SkPixelRef.h"

    13 #include "GrTexture.h"

    14 #include "GrRenderTarget.h"

    17 /**

    18  *  Common baseclass that implements onLockPixels() by calling onReadPixels().

    19  *  Since it has a copy, it always returns false for onLockPixelsAreWritable().

    20  */

    21 class SK_API SkROLockPixelsPixelRef : public SkPixelRef {

    22 public:

    23     SK_DECLARE_INST_COUNT(SkROLockPixelsPixelRef)

    24     SkROLockPixelsPixelRef(const SkImageInfo&);

    25     virtual ~SkROLockPixelsPixelRef();

    27 protected:

    28     virtual bool onNewLockPixels(LockRec*) SK_OVERRIDE;

    29     virtual void onUnlockPixels() SK_OVERRIDE;

    30     virtual bool onLockPixelsAreWritable() const SK_OVERRIDE;   // return false;

    32 private:

    33     SkBitmap    fBitmap;

    34     typedef SkPixelRef INHERITED;

    35 };

    37 /**

    38  *  PixelRef that wraps a GrSurface

    39  */

    40 class SK_API SkGrPixelRef : public SkROLockPixelsPixelRef {

    41 public:

    42     SK_DECLARE_INST_COUNT(SkGrPixelRef)

    43     /**

    44      * Constructs a pixel ref around a GrSurface. If the caller has locked the GrSurface in the

    45      * cache and would like the pixel ref to unlock it in its destructor then transferCacheLock

    46      * should be set to true.

    47      */

    48     SkGrPixelRef(const SkImageInfo&, GrSurface*, bool transferCacheLock = false);

    49     virtual ~SkGrPixelRef();

    51     // override from SkPixelRef

    52     virtual GrTexture* getTexture() SK_OVERRIDE;

    54     SK_DECLARE_UNFLATTENABLE_OBJECT()

    56 protected:

    57     // overrides from SkPixelRef

    58     virtual bool onReadPixels(SkBitmap* dst, const SkIRect* subset) SK_OVERRIDE;

    59     virtual SkPixelRef* deepCopy(SkBitmap::Config dstConfig, const SkIRect* subset) SK_OVERRIDE;

    61 private:

    62     GrSurface*  fSurface;

    63     bool        fUnlock;   // if true the pixel ref owns a texture cache lock on fSurface

    65     typedef SkROLockPixelsPixelRef INHERITED;

    66 };

    68 #endif

The Tor Browser / file revision

gfx/skia/trunk/include/gpu/SkGrPixelRef.h@deefc01c0e14

gfx/skia/trunk/include/gpu/SkGrPixelRef.h