DNC - JSON of flattenables, with field names.

src/effects/SkImageSource.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkImageSource.h"
 
 #include "SkCanvas.h"
@@ skipping 53 matching lines @@
 
     sk_sp<SkImage> image(buffer.readImage());
     if (!image) {
         return nullptr;
     }
 
     return SkImageSource::Make(std::move(image), src, dst, filterQuality);
 }
 
 void SkImageSource::flatten(SkWriteBuffer& buffer) const {
-    buffer.writeInt(fFilterQuality);
-    buffer.writeRect(fSrcRect);
-    buffer.writeRect(fDstRect);
-    buffer.writeImage(fImage.get());
+    buffer.writeInt("fFilterQuality", fFilterQuality);
+    buffer.writeRect("fSrcRect", fSrcRect);
+    buffer.writeRect("fDstRect", fDstRect);
+    buffer.writeImage("fImage", fImage.get());
 }
 
 sk_sp<SkSpecialImage> SkImageSource::onFilterImage(SkSpecialImage* source, const Context& ctx,
                                                    SkIPoint* offset) const {
     SkRect dstRect;
     ctx.ctm().mapRect(&dstRect, fDstRect);
 
     SkRect bounds = SkRect::MakeIWH(fImage->width(), fImage->height());
     if (fSrcRect == bounds && dstRect == bounds) {
         // No regions cropped out or resized; return entire image.
@@ skipping 46 matching lines @@
 void SkImageSource::toString(SkString* str) const {
     str->appendf("SkImageSource: (");
     str->appendf("src: (%f,%f,%f,%f) dst: (%f,%f,%f,%f) ",
                  fSrcRect.fLeft, fSrcRect.fTop, fSrcRect.fRight, fSrcRect.fBottom,
                  fDstRect.fLeft, fDstRect.fTop, fDstRect.fRight, fDstRect.fBottom);
     str->appendf("image: (%d,%d)",
                  fImage->width(), fImage->height());
     str->append(")");
 }
 #endif