DM: add --multiPage option

dm/DM.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "CrashHandler.h"
 #include "DMJsonWriter.h"
 #include "DMSrcSink.h"
@@ skipping 28 matching lines @@
         "Space-separated config/src/srcOptions/name quadruples to blacklist.  '_' matches anything.  E.g. \n"
         "'--blacklist gpu skp _ _' will blacklist all SKPs drawn into the gpu config.\n"
         "'--blacklist gpu skp _ _ 8888 gm _ aarects' will also blacklist the aarects GM on 8888.");
 
 DEFINE_string2(readPath, r, "", "If set check for equality with golden results in this directory.");
 
 DEFINE_string(uninterestingHashesFile, "",
         "File containing a list of uninteresting hashes. If a result hashes to something in "
         "this list, no image is written for that result.");
 
+DEFINE_bool(multiPage, false, "For document-type backends, render the source"
+            " into multiple pages");
+
 __SK_FORCE_IMAGE_DECODER_LINKING;
 using namespace DM;
 
 /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
 
 SK_DECLARE_STATIC_MUTEX(gFailuresMutex);
 static SkTArray<SkString> gFailures;
 
 static void fail(ImplicitString err) {
     SkAutoMutexAcquire lock(gFailuresMutex);
@@ skipping 279 matching lines @@
     #endif
     }
 
 #ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
     SINK("hwui",           HWUISink);
 #endif
 
     if (FLAGS_cpu) {
         SINK("565",  RasterSink, kRGB_565_SkColorType);
         SINK("8888", RasterSink, kN32_SkColorType);
-        SINK("pdf",  PDFSink);
+        SINK("pdf", PDFSink, FLAGS_multiPage);
         SINK("skp",  SKPSink);
         SINK("svg",  SVGSink);
         SINK("null", NullSink);
-        SINK("xps",  XPSSink);
+        SINK("xps", XPSSink, FLAGS_multiPage);
     }
 #undef SINK
     return NULL;
 }
 
 static Sink* create_via(const char* tag, Sink* wrapped) {
 #define VIA(t, via, ...) if (0 == strcmp(t, tag)) { return new via(__VA_ARGS__); }
     VIA("pipe",      ViaPipe,          wrapped);
     VIA("serialize", ViaSerialization, wrapped);
     VIA("2ndpic",    ViaSecondPicture, wrapped);
@@ skipping 381 matching lines @@
     }
     return 0;
 }
 
 #if !defined(SK_BUILD_FOR_IOS)
 int main(int argc, char** argv) {
     SkCommandLineFlags::Parse(argc, argv);
     return dm_main();
 }
 #endif