Add Protobuf support in cc for gfx objects

cc/proto/gfx_conversions.cc

+// 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 "cc/proto/gfx_conversions.h"
+
+#include "cc/proto/point.pb.h"
+#include "cc/proto/pointf.pb.h"
+#include "cc/proto/rect.pb.h"
+#include "cc/proto/rectf.pb.h"
+#include "cc/proto/size.pb.h"
+#include "cc/proto/sizef.pb.h"
+#include "cc/proto/transform.pb.h"
+#include "ui/gfx/geometry/point.h"
+#include "ui/gfx/geometry/point_f.h"
+#include "ui/gfx/geometry/rect.h"
+#include "ui/gfx/geometry/rect_f.h"
+#include "ui/gfx/geometry/size.h"
+#include "ui/gfx/geometry/size_f.h"
+#include "ui/gfx/transform.h"
+
+namespace cc {
+
+void PointToProto(const gfx::Point& point, proto::Point* proto) {
+  proto->set_x(point.x());
+  proto->set_y(point.y());
+}
+
+gfx::Point ProtoToPoint(const proto::Point& proto) {
+  return gfx::Point(proto.x(), proto.y());
+}
+
+void PointFToProto(const gfx::PointF& point, proto::PointF* proto) {
+  proto->set_x(point.x());
+  proto->set_y(point.y());
+}
+
+gfx::PointF ProtoToPointF(const proto::PointF& proto) {
+  return gfx::PointF(proto.x(), proto.y());
+}
+
+void RectToProto(const gfx::Rect& rect, proto::Rect* proto) {
+  proto->mutable_origin()->set_x(rect.x());
+  proto->mutable_origin()->set_y(rect.y());
+  proto->mutable_size()->set_width(rect.width());
+  proto->mutable_size()->set_height(rect.height());
+}
+
+gfx::Rect ProtoToRect(const proto::Rect& proto) {
+  return gfx::Rect(proto.origin().x(), proto.origin().y(), proto.size().width(),
+                   proto.size().height());
+}
+
+void RectFToProto(const gfx::RectF& rect, proto::RectF* proto) {
+  proto->mutable_origin()->set_x(rect.x());
+  proto->mutable_origin()->set_y(rect.y());
+  proto->mutable_size()->set_width(rect.width());
+  proto->mutable_size()->set_height(rect.height());
+}
+
+gfx::RectF ProtoToRectF(const proto::RectF& proto) {
+  return gfx::RectF(proto.origin().x(), proto.origin().y(),
+                    proto.size().width(), proto.size().height());
+}
+
+void SizeToProto(const gfx::Size& size, proto::Size* proto) {
+  proto->set_width(size.width());
+  proto->set_height(size.height());
+}
+
+gfx::Size ProtoToSize(const proto::Size& proto) {
+  return gfx::Size(proto.width(), proto.height());
+}
+
+void SizeFToProto(const gfx::SizeF& size, proto::SizeF* proto) {
+  proto->set_width(size.width());
+  proto->set_height(size.height());
+}
+
+gfx::SizeF ProtoToSizeF(const proto::SizeF& proto) {
+  return gfx::SizeF(proto.width(), proto.height());
+}
+
+void TransformToProto(const gfx::Transform& transform,
+                      proto::Transform* proto) {
+  for (int i = 0; i < 4; i++) {
+    for (int j = 0; j < 4; j++) {
+      proto->add_matrix(transform.matrix().get(i, j));
+    }
+  }
+}
+
+gfx::Transform ProtoToTransform(const proto::Transform& proto) {
+  gfx::Transform transform;
+  DCHECK_EQ(16, proto.matrix_size());
+  for (int i = 0; i < 4; i++) {
+    for (int j = 0; j < 4; j++) {
+      transform.matrix().set(i, j, proto.matrix(i * 4 + j));
+    }
+  }
+  return transform;
+}
+
+}  // namespace cc