Export AniDir field for FrameTags in JSON meta attribute

src/app/document_exporter.cpp

@@ -697,9 +697,11 @@ void DocumentExporter::createDataFile(const Samples& samples, std::ostream& os,
           firstTag = false;
         else
           os << ",";
+
         os << "\n   { \"name\": \"" << escape_for_json(tag->name()) << "\","
            << " \"from\": " << tag->fromFrame() << ","
-           << " \"to\": " << tag->toFrame() << " }";
+           << " \"to\": " << tag->toFrame() << ","
+           << " \"direction\": \"" << escape_for_json(convert_to_string(tag->aniDir())) << "\" }";
       }
     }
     os << "\n  ]";

src/doc/CMakeLists.txt

@@ -11,6 +11,7 @@ add_library(doc-lib
   algorithm/rotsprite.cpp
   algorithm/shift_image.cpp
   algorithm/shrink_bounds.cpp
+  anidir.cpp
   blend_funcs.cpp
   brush.cpp
   cel.cpp

src/doc/anidir.cpp

@@ -0,0 +1,25 @@
+// Aseprite Document Library
+// Copyright (c) 2001-2015 David Capello
+//
+// This file is released under the terms of the MIT license.
+// Read LICENSE.txt for more information.
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "doc/anidir.h"
+
+namespace doc {
+
+std::string convert_to_string(AniDir anidir)
+{
+  switch (anidir) {
+    case AniDir::FORWARD: return "forward";
+    case AniDir::REVERSE: return "reverse";
+    case AniDir::PING_PONG: return "pingpong";
+  }
+  return "";
+}
+
+} // namespace doc

src/doc/anidir.h

@@ -8,6 +8,8 @@
 #define DOC_ANIDIR_H_INCLUDED
 #pragma once
 
+#include <string>
+
 namespace doc {
 
   enum class AniDir {
@@ -16,6 +18,8 @@ namespace doc {
     PING_PONG = 2,
   };
 
+  std::string convert_to_string(AniDir anidir);
+
 } // namespace doc
 
 #endif // DOC_ANIDIR_H_INCLUDED