Hide fields in SkImageInfo

src/core/SkBitmapProcState.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmapCache.h"
 #include "SkBitmapProcState.h"
 #include "SkColorPriv.h"
@@ skipping 255 matching lines @@
             }
             SkMipMapCache::Add(fOrigBitmap, fCurrMip);
         }
 
         SkScalar levelScale = SkScalarInvert(SkScalarSqrt(scaleSqd));
         SkMipMap::Level level;
         if (fCurrMip->extractLevel(levelScale, &level)) {
             SkScalar invScaleFixup = level.fScale;
             fInvMatrix.postScale(invScaleFixup, invScaleFixup);
 
-            SkImageInfo info = fOrigBitmap.info();
-            info.fWidth = level.fWidth;
-            info.fHeight = level.fHeight;
+            const SkImageInfo info = fOrigBitmap.info().makeWH(level.fWidth, level.fHeight);
             // todo: if we could wrap the fCurrMip in a pixelref, then we could just install
             //       that here, and not need to explicitly track it ourselves.
             fScaledBitmap.installPixels(info, level.fPixels, level.fRowBytes);
             fBitmap = &fScaledBitmap;
             fFilterLevel = SkPaint::kLow_FilterLevel;
             return true;
         }
     }
 
     return false;
@@ skipping 719 matching lines @@
     } else {
         size >>= 2;
     }
 
     if (fFilterLevel != SkPaint::kNone_FilterLevel) {
         size >>= 1;
     }
 
     return size;
 }