add --write option to dump_record

tools/dump_record.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "DumpRecord.h"
 #include "LazyDecodeBitmap.h"
 #include "SkCommandLineFlags.h"
 #include "SkPicture.h"
+#include "SkPictureRecorder.h"
+#include "SkRecordDraw.h"
 #include "SkRecordOpts.h"
 #include "SkRecorder.h"
 #include "SkStream.h"
 #include <stdio.h>
 
 DEFINE_string2(skps, r, "", ".SKPs to dump.");
 DEFINE_string(match, "", "The usual filters on file names to dump.");
 DEFINE_bool2(optimize, O, false, "Run SkRecordOptimize before dumping.");
 DEFINE_int32(tile, 1000000000, "Simulated tile size.");
 DEFINE_bool(timeWithCommand, false, "If true, print time next to command, else in first column.");
+DEFINE_string2(write, w, "", "Write the (optimized) picture to the named file.");
 
 static void dump(const char* name, int w, int h, const SkRecord& record) {
     SkBitmap bitmap;
     bitmap.allocN32Pixels(w, h);
     SkCanvas canvas(bitmap);
     canvas.clipRect(SkRect::MakeWH(SkIntToScalar(FLAGS_tile),
                                    SkIntToScalar(FLAGS_tile)));
 
     printf("%s %s\n", FLAGS_optimize ? "optimized" : "not-optimized", name);
 
     DumpRecord(record, &canvas, FLAGS_timeWithCommand);
 }
 
-
 int tool_main(int argc, char** argv);
 int tool_main(int argc, char** argv) {
     SkCommandLineFlags::Parse(argc, argv);
 
     for (int i = 0; i < FLAGS_skps.count(); i++) {
         if (SkCommandLineFlags::ShouldSkip(FLAGS_match, FLAGS_skps[i])) {
             continue;
         }
 
         SkAutoTDelete<SkStream> stream(SkStream::NewFromFile(FLAGS_skps[i]));
@@ skipping 12 matching lines @@
 
         SkRecord record;
         SkRecorder canvas(&record, w, h);
         src->playback(&canvas);
 
         if (FLAGS_optimize) {
             SkRecordOptimize(&record);
         }
 
         dump(FLAGS_skps[i], w, h, record);
+
+        if (FLAGS_write.count() > 0) {
+            SkPictureRecorder r;
+            SkRecordDraw(record,
+                         r.beginRecording(SkRect::MakeIWH(w, h)),
+                         nullptr,
+                         nullptr,
+                         0,
+                         nullptr,
+                         nullptr);
+            SkAutoTUnref<SkPicture> dst(r.endRecording());
+            SkFILEWStream ostream(FLAGS_write[0]);
+            dst->serialize(&ostream);
+        }
     }
 
     return 0;
 }
 
 #if !defined SK_BUILD_FOR_IOS
 int main(int argc, char * const argv[]) {
     return tool_main(argc, (char**) argv);
 }
 #endif