Finish migrating cc/ from WebKit::WebTransformationMatrix to gfx::Transform

webkit/compositor_bindings/web_transformation_matrix_util.cc

Index: webkit/compositor_bindings/web_transformation_matrix_util.cc
diff --git a/webkit/compositor_bindings/web_transformation_matrix_util.cc b/webkit/compositor_bindings/web_transformation_matrix_util.cc
new file mode 100644
index 0000000000000000000000000000000000000000..4dfaa437035a0efc0378cd869740f0f6726242df
--- /dev/null
+++ b/webkit/compositor_bindings/web_transformation_matrix_util.cc
@@ -0,0 +1,56 @@
+// Copyright 2013 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 "webkit/compositor_bindings/web_transformation_matrix_util.h"
+
+using WebKit::WebTransformationMatrix;
+
+namespace webkit {
+
+gfx::Transform WebTransformationMatrixUtil::ToTransform(
+    const WebTransformationMatrix& matrix) {
+  // TODO(jamesr): When gfx::Transform provides a constructor that does not
+  // initialize the matrix, use that.
+  gfx::Transform transform;

[Ian Vollick, 2013/01/25 17:59:16]

We do have such a constructor now.

[ajuma, 2013/01/25 19:28:26]

Done.

+  transform.matrix().setDouble(0, 0, matrix.m11());
+  transform.matrix().setDouble(0, 1, matrix.m21());
+  transform.matrix().setDouble(0, 2, matrix.m31());
+  transform.matrix().setDouble(0, 3, matrix.m41());
+  transform.matrix().setDouble(1, 0, matrix.m12());
+  transform.matrix().setDouble(1, 1, matrix.m22());
+  transform.matrix().setDouble(1, 2, matrix.m32());
+  transform.matrix().setDouble(1, 3, matrix.m42());
+  transform.matrix().setDouble(2, 0, matrix.m13());
+  transform.matrix().setDouble(2, 1, matrix.m23());
+  transform.matrix().setDouble(2, 2, matrix.m33());
+  transform.matrix().setDouble(2, 3, matrix.m43());
+  transform.matrix().setDouble(3, 0, matrix.m14());
+  transform.matrix().setDouble(3, 1, matrix.m24());
+  transform.matrix().setDouble(3, 2, matrix.m34());
+  transform.matrix().setDouble(3, 3, matrix.m44());
+  return transform;
+}
+
+WebTransformationMatrix WebTransformationMatrixUtil::ToWebTransformationMatrix(
+    const gfx::Transform& transform) {
+  return WebTransformationMatrix(transform.matrix().getDouble(0, 0),
+                                 transform.matrix().getDouble(1, 0),
+                                 transform.matrix().getDouble(2, 0),
+                                 transform.matrix().getDouble(3, 0),
+                                 transform.matrix().getDouble(0, 1),
+                                 transform.matrix().getDouble(1, 1),
+                                 transform.matrix().getDouble(2, 1),
+                                 transform.matrix().getDouble(3, 1),
+                                 transform.matrix().getDouble(0, 2),
+                                 transform.matrix().getDouble(1, 2),
+                                 transform.matrix().getDouble(2, 2),
+                                 transform.matrix().getDouble(3, 2),
+                                 transform.matrix().getDouble(0, 3),
+                                 transform.matrix().getDouble(1, 3),
+                                 transform.matrix().getDouble(2, 3),
+                                 transform.matrix().getDouble(3, 3));
+
+}
+
+}  // namespace webkit