Add Protobuf support for cc/playback skia usage

cc/proto/skia_conversions.cc

Index: cc/proto/skia_conversions.cc
diff --git a/cc/proto/skia_conversions.cc b/cc/proto/skia_conversions.cc
new file mode 100644
index 0000000000000000000000000000000000000000..84acdd4cdbb144b109e23193da5a49c5cad38249
--- /dev/null
+++ b/cc/proto/skia_conversions.cc
@@ -0,0 +1,221 @@
+// 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/skia_conversions.h"
+
+#include "base/logging.h"
+#include "cc/proto/gfx_conversions.h"
+#include "cc/proto/skrrect.pb.h"
+#include "third_party/skia/include/core/SkRRect.h"
+#include "ui/gfx/skia_util.h"
+
+namespace cc {
+
+namespace {
+
+void SkPointToProto(const SkPoint& point, proto::PointF* proto) {
+  PointFToProto(gfx::PointF(point.x(), point.y()), proto);
+}
+
+SkPoint ProtoToSkPoint(const proto::PointF& proto) {
+  gfx::PointF point = ProtoToPointF(proto);
+  return SkPoint::Make(point.x(), point.y());
+}
+
+}  // namespace
+
+SkRegion::Op SkRegionOpFromProto(proto::SkRegion::Op op) {
+  switch (op) {
+    case proto::SkRegion::Op_Difference:
+      return SkRegion::Op::kDifference_Op;
+    case proto::SkRegion::Op_Intersect:
+      return SkRegion::Op::kIntersect_Op;
+    case proto::SkRegion::Op_Union:
+      return SkRegion::Op::kUnion_Op;
+    case proto::SkRegion::Op_XOR:
+      return SkRegion::Op::kXOR_Op;
+    case proto::SkRegion::Op_ReverseDifference:
+      return SkRegion::Op::kReverseDifference_Op;
+    case proto::SkRegion::Op_Replace:
+      return SkRegion::Op::kReplace_Op;
+  }
+  return SkRegion::Op::kDifference_Op;
+}
+
+proto::SkRegion::Op SkRegionOpToProto(SkRegion::Op op) {
+  switch (op) {
+    case SkRegion::Op::kDifference_Op:
+      return proto::SkRegion::Op_Difference;
+    case SkRegion::Op::kIntersect_Op:
+      return proto::SkRegion::Op_Intersect;
+    case SkRegion::Op::kUnion_Op:
+      return proto::SkRegion::Op_Union;
+    case SkRegion::Op::kXOR_Op:
+      return proto::SkRegion::Op_XOR;
+    case SkRegion::Op::kReverseDifference_Op:
+      return proto::SkRegion::Op_ReverseDifference;
+    case SkRegion::Op::kReplace_Op:
+      return proto::SkRegion::Op_Replace;
+  }
+  return proto::SkRegion::Op_Difference;
+}
+
+SkXfermode::Mode SkXfermodeModeFromProto(proto::SkXfermode::Mode mode) {
+  switch (mode) {
+    case proto::SkXfermode::Mode_Clear:
+      return SkXfermode::Mode::kClear_Mode;
+    case proto::SkXfermode::Mode_Src:
+      return SkXfermode::Mode::kSrc_Mode;
+    case proto::SkXfermode::Mode_Dst:
+      return SkXfermode::Mode::kDst_Mode;
+    case proto::SkXfermode::Mode_SrcOver:
+      return SkXfermode::Mode::kSrcOver_Mode;
+    case proto::SkXfermode::Mode_DstOver:
+      return SkXfermode::Mode::kDstOver_Mode;
+    case proto::SkXfermode::Mode_SrcIn:
+      return SkXfermode::Mode::kSrcIn_Mode;
+    case proto::SkXfermode::Mode_DstIn:
+      return SkXfermode::Mode::kDstIn_Mode;
+    case proto::SkXfermode::Mode_SrcOut:
+      return SkXfermode::Mode::kSrcOut_Mode;
+    case proto::SkXfermode::Mode_DstOut:
+      return SkXfermode::Mode::kDstOut_Mode;
+    case proto::SkXfermode::Mode_SrcATop:
+      return SkXfermode::Mode::kSrcATop_Mode;
+    case proto::SkXfermode::Mode_DstATop:
+      return SkXfermode::Mode::kDstATop_Mode;
+    case proto::SkXfermode::Mode_XOR:
+      return SkXfermode::Mode::kXor_Mode;
+    case proto::SkXfermode::Mode_Plus:
+      return SkXfermode::Mode::kPlus_Mode;
+    case proto::SkXfermode::Mode_Modulate:
+      return SkXfermode::Mode::kModulate_Mode;
+    case proto::SkXfermode::Mode_Screen:
+      return SkXfermode::Mode::kScreen_Mode;
+    case proto::SkXfermode::Mode_Overlay:
+      return SkXfermode::Mode::kOverlay_Mode;
+    case proto::SkXfermode::Mode_Darken:
+      return SkXfermode::Mode::kDarken_Mode;
+    case proto::SkXfermode::Mode_Lighten:
+      return SkXfermode::Mode::kLighten_Mode;
+    case proto::SkXfermode::Mode_ColorDodge:
+      return SkXfermode::Mode::kColorDodge_Mode;
+    case proto::SkXfermode::Mode_ColorBurn:
+      return SkXfermode::Mode::kColorBurn_Mode;
+    case proto::SkXfermode::Mode_HardLight:
+      return SkXfermode::Mode::kHardLight_Mode;
+    case proto::SkXfermode::Mode_SoftLight:
+      return SkXfermode::Mode::kSoftLight_Mode;
+    case proto::SkXfermode::Mode_Difference:
+      return SkXfermode::Mode::kDifference_Mode;
+    case proto::SkXfermode::Mode_Exclusion:
+      return SkXfermode::Mode::kExclusion_Mode;
+    case proto::SkXfermode::Mode_Multiply:
+      return SkXfermode::Mode::kMultiply_Mode;
+    case proto::SkXfermode::Mode_Hue:
+      return SkXfermode::Mode::kHue_Mode;
+    case proto::SkXfermode::Mode_Saturation:
+      return SkXfermode::Mode::kSaturation_Mode;
+    case proto::SkXfermode::Mode_Color:
+      return SkXfermode::Mode::kColor_Mode;
+    case proto::SkXfermode::Mode_Luminosity:
+      return SkXfermode::Mode::kLuminosity_Mode;
+  }
+  return SkXfermode::Mode::kClear_Mode;
+}
+
+proto::SkXfermode::Mode SkXfermodeModeToProto(SkXfermode::Mode mode) {
+  switch (mode) {
+    case SkXfermode::Mode::kClear_Mode:
+      return proto::SkXfermode::Mode_Clear;
+    case SkXfermode::Mode::kSrc_Mode:
+      return proto::SkXfermode::Mode_Src;
+    case SkXfermode::Mode::kDst_Mode:
+      return proto::SkXfermode::Mode_Dst;
+    case SkXfermode::Mode::kSrcOver_Mode:
+      return proto::SkXfermode::Mode_SrcOver;
+    case SkXfermode::Mode::kDstOver_Mode:
+      return proto::SkXfermode::Mode_DstOver;
+    case SkXfermode::Mode::kSrcIn_Mode:
+      return proto::SkXfermode::Mode_SrcIn;
+    case SkXfermode::Mode::kDstIn_Mode:
+      return proto::SkXfermode::Mode_DstIn;
+    case SkXfermode::Mode::kSrcOut_Mode:
+      return proto::SkXfermode::Mode_SrcOut;
+    case SkXfermode::Mode::kDstOut_Mode:
+      return proto::SkXfermode::Mode_DstOut;
+    case SkXfermode::Mode::kSrcATop_Mode:
+      return proto::SkXfermode::Mode_SrcATop;
+    case SkXfermode::Mode::kDstATop_Mode:
+      return proto::SkXfermode::Mode_DstATop;
+    case SkXfermode::Mode::kXor_Mode:
+      return proto::SkXfermode::Mode_XOR;
+    case SkXfermode::Mode::kPlus_Mode:
+      return proto::SkXfermode::Mode_Plus;
+    case SkXfermode::Mode::kModulate_Mode:
+      return proto::SkXfermode::Mode_Modulate;
+    case SkXfermode::Mode::kScreen_Mode:
+      return proto::SkXfermode::Mode_Screen;
+    case SkXfermode::Mode::kOverlay_Mode:
+      return proto::SkXfermode::Mode_Overlay;
+    case SkXfermode::Mode::kDarken_Mode:
+      return proto::SkXfermode::Mode_Darken;
+    case SkXfermode::Mode::kLighten_Mode:
+      return proto::SkXfermode::Mode_Lighten;
+    case SkXfermode::Mode::kColorDodge_Mode:
+      return proto::SkXfermode::Mode_ColorDodge;
+    case SkXfermode::Mode::kColorBurn_Mode:
+      return proto::SkXfermode::Mode_ColorBurn;
+    case SkXfermode::Mode::kHardLight_Mode:
+      return proto::SkXfermode::Mode_HardLight;
+    case SkXfermode::Mode::kSoftLight_Mode:
+      return proto::SkXfermode::Mode_SoftLight;
+    case SkXfermode::Mode::kDifference_Mode:
+      return proto::SkXfermode::Mode_Difference;
+    case SkXfermode::Mode::kExclusion_Mode:
+      return proto::SkXfermode::Mode_Exclusion;
+    case SkXfermode::Mode::kMultiply_Mode:
+      return proto::SkXfermode::Mode_Multiply;
+    case SkXfermode::Mode::kHue_Mode:
+      return proto::SkXfermode::Mode_Hue;
+    case SkXfermode::Mode::kSaturation_Mode:
+      return proto::SkXfermode::Mode_Saturation;
+    case SkXfermode::Mode::kColor_Mode:
+      return proto::SkXfermode::Mode_Color;
+    case SkXfermode::Mode::kLuminosity_Mode:
+      return proto::SkXfermode::Mode_Luminosity;
+  }
+  return proto::SkXfermode::Mode_Clear;
+}
+
+void SkRRectToProto(const SkRRect& rect, proto::SkRRect* proto) {
+  RectFToProto(gfx::SkRectToRectF(rect.rect()), proto->mutable_rect());
+
+  SkPointToProto(rect.radii(SkRRect::kUpperLeft_Corner),
+                 proto->mutable_radii_upper_left());
+  SkPointToProto(rect.radii(SkRRect::kUpperRight_Corner),
+                 proto->mutable_radii_upper_right());
+  SkPointToProto(rect.radii(SkRRect::kLowerRight_Corner),
+                 proto->mutable_radii_lower_right());
+  SkPointToProto(rect.radii(SkRRect::kLowerLeft_Corner),
+                 proto->mutable_radii_lower_left());
+}
+
+SkRRect ProtoToSkRRect(const proto::SkRRect& proto) {
+  SkRect parsed_rect = gfx::RectFToSkRect(ProtoToRectF(proto.rect()));
+  SkVector parsed_radii[4];
+  parsed_radii[SkRRect::kUpperLeft_Corner] =
+      ProtoToSkPoint(proto.radii_upper_left());
+  parsed_radii[SkRRect::kUpperRight_Corner] =
+      ProtoToSkPoint(proto.radii_upper_right());
+  parsed_radii[SkRRect::kLowerRight_Corner] =
+      ProtoToSkPoint(proto.radii_lower_right());
+  parsed_radii[SkRRect::kLowerLeft_Corner] =
+      ProtoToSkPoint(proto.radii_lower_left());
+  SkRRect rect;
+  rect.setRectRadii(parsed_rect, parsed_radii);
+  return rect;
+}
+
+}  // namespace cc