Simplify flattening to just write enough to call the factory

src/effects/SkLayerRasterizer.cpp

 
 /*
  * Copyright 2006 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.
  */
 
 
 #include "SkLayerRasterizer.h"
@@ skipping 141 matching lines @@
 
         while ((rec = (SkLayerRasterizer_Rec*)iter.next()) != NULL) {
             drawMatrix = translatedMatrix;
             drawMatrix.preTranslate(rec->fOffset.fX, rec->fOffset.fY);
             draw.drawPath(path, rec->fPaint);
         }
     }
     return true;
 }
 
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
 SkLayerRasterizer::SkLayerRasterizer(SkReadBuffer& buffer)
     : SkRasterizer(buffer), fLayers(ReadLayers(buffer)) {}
+#endif
+
+SkFlattenable* SkLayerRasterizer::CreateProc(SkReadBuffer& buffer) {
+    return SkNEW_ARGS(SkLayerRasterizer, (ReadLayers(buffer)));
+}
 
 SkDeque* SkLayerRasterizer::ReadLayers(SkReadBuffer& buffer) {
     int count = buffer.readInt();
-
+    
     SkDeque* layers = SkNEW_ARGS(SkDeque, (sizeof(SkLayerRasterizer_Rec)));
     for (int i = 0; i < count; i++) {
         SkLayerRasterizer_Rec* rec = (SkLayerRasterizer_Rec*)layers->push_back();
-
+        
         SkNEW_PLACEMENT(&rec->fPaint, SkPaint);
         buffer.readPaint(&rec->fPaint);
         buffer.readPoint(&rec->fOffset);
     }
     return layers;
 }
 
 void SkLayerRasterizer::flatten(SkWriteBuffer& buffer) const {
     this->INHERITED::flatten(buffer);
 
@@ skipping 54 matching lines @@
         SkDEBUGCODE(count++);
         SkLayerRasterizer_Rec* recCopy = static_cast<SkLayerRasterizer_Rec*>(layers->push_back());
         SkNEW_PLACEMENT_ARGS(&recCopy->fPaint, SkPaint, (recOrig->fPaint));
         recCopy->fOffset = recOrig->fOffset;
     }
     SkASSERT(fLayers->count() == count);
     SkASSERT(layers->count() == count);
     SkLayerRasterizer* rasterizer = SkNEW_ARGS(SkLayerRasterizer, (layers));
     return rasterizer;
 }