Split transform_converters.h from geometry_type_converters.h.

mojo/converters/transform/transform_converters.cc

Index: mojo/converters/transform/transform_converters.cc
diff --git a/mojo/converters/transform/transform_converters.cc b/mojo/converters/transform/transform_converters.cc
new file mode 100644
index 0000000000000000000000000000000000000000..bf6dd029875e7b3d07d1f6bce436d11344af9ce9
--- /dev/null
+++ b/mojo/converters/transform/transform_converters.cc
@@ -0,0 +1,31 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "mojo/converters/transform/transform_converters.h"
+
+namespace mojo {
+
+// static
+TransformPtr TypeConverter<TransformPtr, gfx::Transform>::Convert(
+    const gfx::Transform& input) {
+  std::vector<float> storage(16);
+  input.matrix().asRowMajorf(&storage[0]);
+  mojo::Array<float> matrix;
+  matrix.Swap(&storage);
+  TransformPtr transform(Transform::New());
+  transform->matrix = matrix.Pass();
+  return transform.Pass();
+}
+
+// static
+gfx::Transform TypeConverter<gfx::Transform, TransformPtr>::Convert(
+    const TransformPtr& input) {
+  if (input.is_null())
+    return gfx::Transform();
+  gfx::Transform transform(gfx::Transform::kSkipInitialization);
+  transform.matrix().setRowMajorf(&input->matrix.storage()[0]);
+  return transform;
+}
+
+}  // namespace mojo