add SK_SUPPORT_LEGACY_PIXELREF_CONSTRUCTOR, initially always on

include/core/SkPixelRef.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 SkPixelRef_DEFINED
 #define SkPixelRef_DEFINED
 
 #include "SkBitmap.h"
 #include "SkRefCnt.h"
 #include "SkString.h"
 #include "SkFlattenable.h"
 #include "SkTDArray.h"
 
+#define SK_SUPPORT_LEGACY_PIXELREF_CONSTRUCTOR
+
 #ifdef SK_DEBUG
     /**
      *  Defining SK_IGNORE_PIXELREF_SETPRELOCKED will force all pixelref
      *  subclasses to correctly handle lock/unlock pixels. For performance
      *  reasons, simple malloc-based subclasses call setPreLocked() to skip
      *  the overhead of implementing these calls.
      *
      *  This build-flag disables that optimization, to add in debugging our
      *  call-sites, to ensure that they correctly balance their calls of
      *  lock and unlock.
@@ skipping 13 matching lines @@
     This class is the smart container for pixel memory, and is used with
     SkBitmap. A pixelref is installed into a bitmap, and then the bitmap can
     access the actual pixel memory by calling lockPixels/unlockPixels.
 
     This class can be shared/accessed between multiple threads.
 */
 class SK_API SkPixelRef : public SkFlattenable {
 public:
     SK_DECLARE_INST_COUNT(SkPixelRef)
 
+#ifdef SK_SUPPORT_LEGACY_PIXELREF_CONSTRUCTOR
+    // DEPRECATED -- use a constructor that takes SkImageInfo
     explicit SkPixelRef(SkBaseMutex* mutex = NULL);
+#endif
+
+    explicit SkPixelRef(const SkImageInfo&);
+    explicit SkPixelRef(const SkImageInfo&, SkBaseMutex* mutex);
     virtual ~SkPixelRef();
 
     /** Return the pixel memory returned from lockPixels, or null if the
         lockCount is 0.
     */
     void* pixels() const { return fPixels; }
 
     /** Return the current colorTable (if any) if pixels are locked, or null.
     */
     SkColorTable* colorTable() const { return fColorTable; }
@@ skipping 243 matching lines @@
 
     // When copying a bitmap to another with the same shape and config, we can safely
     // clone the pixelref generation ID too, which makes them equivalent under caching.
     friend class SkBitmap;  // only for cloneGenID
     void cloneGenID(const SkPixelRef&);
 
     typedef SkFlattenable INHERITED;
 };
 
 #endif