[Experimental] Supporting OOPIF printing

skia/ext/skia_utils_base.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "skia/ext/skia_utils_base.h"
+
 #include <stdint.h>
 
-#include "skia/ext/skia_utils_base.h"
 #include "third_party/skia/include/core/SkFontLCDConfig.h"
+#include "third_party/skia/src/core/SkReadBuffer.h"
 
 namespace skia {
 
 bool ReadSkString(base::PickleIterator* iter, SkString* str) {
   int reply_length;
   const char* reply_text;
 
   if (!iter->ReadData(&reply_text, &reply_length))
     return false;
 
@@ skipping 75 matching lines @@
   if (SkFontLCDConfig::kBGR_LCDOrder == order) {
     index |= 1;
   }
   if (SkFontLCDConfig::kVertical_LCDOrientation ==
       SkFontLCDConfig::GetSubpixelOrientation()) {
     index |= 2;
   }
   return gGeo[index];
 }
 
+std::unique_ptr<SkDrawable> ReadDrawable(const char* buffer, size_t size) {
+  SkReadBuffer rBuffer(buffer, size);
+  rBuffer.setCustomFactory(SkString(SkFutureDrawable::kTypeName),
+                           SkFutureDrawable::CreateProc);
+
+  std::unique_ptr<SkDrawable> drawable(
+      (SkDrawable*)rBuffer.readFlattenable(SkFlattenable::kSkDrawable_Type));
+  return drawable;
+}
+
+std::vector<char> WriteDrawable(SkDrawable* drawable) {
+  SkBinaryWriteBuffer wBuffer;
+  wBuffer.writeFlattenable(drawable);
+  size_t size = wBuffer.bytesWritten();
+  std::vector<char> data;
+  data.resize(size);
+  wBuffer.writeToMemory(data.data());
+  return data;
+}
+
 }  // namespace skia