commit 85c7fe8d6d87850aed83599864b63dca37af5fcf
author Hal Canary <halcanary@google.com> Tue Oct 25 10:33:27 2016 -0400
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Tue Oct 25 14:58:17 2016 +0000
tree e315358d1c647001015bfce2c0429b254ed4f23d
parent 7614794c9ad14d76abed6cf00890ad1a09c2cb8b

DM: JSON Debug Sink

Currently, the following GMs crash the debug canvas:
    ~dont_clip_to_layer
    ~imageblur
    ~imagefilterscropped
    ~pictureimagefilter
    ~savelayer_lcdtext
    ~textfilter_image
// TODO(halcanary): fix this.

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=3742

Change-Id: Ieed3502119cd639fe345f3a41d436d5e39f3bdf1
Reviewed-on: https://skia-review.googlesource.com/3742
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Hal Canary <halcanary@google.com>

dm/DMSrcSink.cpp

diff --git a/dm/DMSrcSink.cpp b/dm/DMSrcSink.cpp
index 274f7db..30185a2 100644
--- a/dm/DMSrcSink.cpp
+++ b/dm/DMSrcSink.cpp
@@ -15,6 +15,7 @@
 #include "SkColorSpaceXform.h"
 #include "SkCommonFlags.h"
 #include "SkData.h"
+#include "SkDebugCanvas.h"
 #include "SkDeferredCanvas.h"
 #include "SkDocument.h"
 #include "SkImageGenerator.h"
@@ -1397,6 +1398,22 @@
 
 /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
 
+Error DebugSink::draw(const Src& src, SkBitmap*, SkWStream* dst, SkString*) const {
+    SkDebugCanvas debugCanvas(src.size().width(), src.size().height());
+    Error err = src.draw(&debugCanvas);
+    if (!err.isEmpty()) {
+        return err;
+    }
+    sk_sp<SkCanvas> nullCanvas(SkCreateNullCanvas());
+    UrlDataManager dataManager(SkString("data"));
+    Json::Value json = debugCanvas.toJSON(
+            dataManager, debugCanvas.getSize(), nullCanvas.get());
+    std::string value = Json::StyledWriter().write(json);
+    return dst->write(value.c_str(), value.size()) ? "" : "SkWStream Error";
+}
+
+/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
+
 SVGSink::SVGSink() {}
 
 Error SVGSink::draw(const Src& src, SkBitmap*, SkWStream* dst, SkString*) const {