Prototype code that turns any/every flattenable into JSON

tests/FlattenDrawableTest.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCanvas.h"
 #include "SkDrawable.h"
 #include "SkOnce.h"
@@ skipping 192 matching lines @@
     buffer.setCustomFactory(SkString("CompoundDrawable"), CompoundDrawable::CreateProc);
     buffer.setCustomFactory(SkString("RootDrawable"), RootDrawable::CreateProc);
 }
 
 DEF_TEST(FlattenDrawable, r) {
     // Create and serialize the test drawable
     SkAutoTUnref<SkDrawable> drawable(new IntDrawable(1, 2, 3, 4));
     SkPaint paint;
     paint.setColor(SK_ColorBLUE);
     SkAutoTUnref<RootDrawable> root(new RootDrawable(5, 6, 7, 8, paint, 9, 10, 11, 12, drawable));
-    SkWriteBuffer writeBuffer;
+    SkBinaryWriteBuffer writeBuffer;
     writeBuffer.writeFlattenable(root);
 
     // Copy the contents of the write buffer into a read buffer
     sk_sp<SkData> data = SkData::MakeUninitialized(writeBuffer.bytesWritten());
     writeBuffer.writeToMemory(data->writable_data());
     SkReadBuffer readBuffer(data->data(), data->size());
     register_test_drawables(readBuffer);
 
     // Deserialize and verify the drawable
     SkAutoTUnref<SkDrawable> out((SkDrawable*)
@@ skipping 39 matching lines @@
     SkAutoTUnref<SkDrawable> drawable(new IntDrawable(1, 2, 3, 4));
     SkAutoTUnref<RootDrawable> root(new RootDrawable(5, 6, 7, 8, paint, 9, 10, 11, 12, drawable));
     canvas->drawDrawable(root, 747.0f, 242.0f);
     SkAutoTUnref<PaintDrawable> paintDrawable(new PaintDrawable(paint));
     canvas->drawDrawable(paintDrawable, 500.0, 500.0f);
     SkAutoTUnref<CompoundDrawable> comDrawable(new CompoundDrawable(13, 14, 15, 16, textPaint));
     canvas->drawDrawable(comDrawable, 10.0f, 10.0f);
 
     // Serialize the recorded drawable
     sk_sp<SkDrawable> recordedDrawable = recorder.finishRecordingAsDrawable();
-    SkWriteBuffer writeBuffer;
+    SkBinaryWriteBuffer writeBuffer;
     writeBuffer.writeFlattenable(recordedDrawable.get());
 
     // Copy the contents of the write buffer into a read buffer
     sk_sp<SkData> data = SkData::MakeUninitialized(writeBuffer.bytesWritten());
     writeBuffer.writeToMemory(data->writable_data());
     SkReadBuffer readBuffer(data->data(), data->size());
     register_test_drawables(readBuffer);
 
     // Deserialize and verify the drawable
     SkAutoTUnref<SkDrawable> out((SkDrawable*)
             readBuffer.readFlattenable(SkFlattenable::kSkDrawable_Type));
     REPORTER_ASSERT(r, out);
     REPORTER_ASSERT(r, !strcmp("SkRecordedDrawable", out->getTypeName()));
 }