A bit more privacy for SkiaServe's Request

tools/skiaserve/Request.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 "Request.h"
 
 #include "png.h"
@@ skipping 118 matching lines @@
         if (surface) {
             fSurface.reset(surface);
             fGPUEnabled = true;
             return true;
         }
         return false;
     }
     fSurface.reset(this->createCPUSurface());
     fGPUEnabled = false;
     return true;
+} 
+
+bool Request::initPictureFromStream(SkStream* stream) {
+    // parse picture from stream
+    fPicture.reset(SkPicture::CreateFromStream(stream));
+    if (!fPicture.get()) {
+        fprintf(stderr, "Could not create picture from stream.\n");
+        return false;
+    }
+
+    // pour picture into debug canvas
+    fDebugCanvas.reset(new SkDebugCanvas(kImageWidth, Request::kImageHeight));
+    fDebugCanvas->drawPicture(fPicture);
+    return true;
 }
 
 SkData* Request::getJsonOps(int n) {
     SkCanvas* canvas = this->getCanvas();
     Json::Value root = fDebugCanvas->toJSON(fUrlDataManager, n, canvas);
     root["mode"] = Json::Value(fGPUEnabled ? "gpu" : "cpu");
     SkDynamicMemoryWStream stream;
     stream.writeText(Json::FastWriter().write(root).c_str());
 
     return stream.copyToData();
@@ skipping 41 matching lines @@
     SkIRect clip = fDebugCanvas->getCurrentClip();
     Json::Value info(Json::objectValue);
     info["ViewMatrix"] = SkJSONCanvas::MakeMatrix(vm);
     info["ClipRect"] = SkJSONCanvas::MakeIRect(clip);
 
     std::string json = Json::FastWriter().write(info);
 
     // We don't want the null terminator so strlen is correct
     return SkData::NewWithCopy(json.c_str(), strlen(json.c_str()));
 }