cc/trees/clip_node.cc

// Copyright 2016 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 "base/trace_event/trace_event_argument.h"
#include "cc/base/math_util.h"
#include "cc/proto/gfx_conversions.h"
#include "cc/proto/property_tree.pb.h"
#include "cc/trees/clip_node.h"

namespace cc {

ClipNode::ClipNode()
    : id(-1),
      parent_id(-1),
      owner_id(-1),
      transform_id(-1),
      target_id(-1),
      applies_local_clip(true),
      layer_clipping_uses_only_local_clip(false),
      target_is_clipped(false),
      layers_are_clipped(false),
      layers_are_clipped_when_surfaces_disabled(false),
      resets_clip(false) {}

ClipNode::ClipNode(const ClipNode& other) = default;

bool ClipNode::operator==(const ClipNode& other) const {
  return id == other.id && parent_id == other.parent_id &&
         owner_id == other.owner_id && clip == other.clip &&
         combined_clip_in_target_space == other.combined_clip_in_target_space &&
         clip_in_target_space == other.clip_in_target_space &&
         transform_id == other.transform_id && target_id == other.target_id &&
         applies_local_clip == other.applies_local_clip &&
         layer_clipping_uses_only_local_clip ==
             other.layer_clipping_uses_only_local_clip &&
         target_is_clipped == other.target_is_clipped &&
         layers_are_clipped == other.layers_are_clipped &&
         layers_are_clipped_when_surfaces_disabled ==
             other.layers_are_clipped_when_surfaces_disabled &&
         resets_clip == other.resets_clip;
}

void ClipNode::ToProtobuf(proto::TreeNode* proto) const {
  proto->set_id(id);
  proto->set_parent_id(parent_id);
  proto->set_owner_id(owner_id);

  DCHECK(!proto->has_clip_node_data());
  proto::ClipNodeData* data = proto->mutable_clip_node_data();

  RectFToProto(clip, data->mutable_clip());
  RectFToProto(combined_clip_in_target_space,
               data->mutable_combined_clip_in_target_space());
  RectFToProto(clip_in_target_space, data->mutable_clip_in_target_space());

  data->set_transform_id(transform_id);
  data->set_target_id(target_id);
  data->set_applies_local_clip(applies_local_clip);
  data->set_layer_clipping_uses_only_local_clip(
      layer_clipping_uses_only_local_clip);
  data->set_target_is_clipped(target_is_clipped);
  data->set_layers_are_clipped(layers_are_clipped);
  data->set_layers_are_clipped_when_surfaces_disabled(
      layers_are_clipped_when_surfaces_disabled);
  data->set_resets_clip(resets_clip);
}

void ClipNode::FromProtobuf(const proto::TreeNode& proto) {
  id = proto.id();
  parent_id = proto.parent_id();
  owner_id = proto.owner_id();

  DCHECK(proto.has_clip_node_data());
  const proto::ClipNodeData& data = proto.clip_node_data();

  clip = ProtoToRectF(data.clip());
  combined_clip_in_target_space =
      ProtoToRectF(data.combined_clip_in_target_space());
  clip_in_target_space = ProtoToRectF(data.clip_in_target_space());

  transform_id = data.transform_id();
  target_id = data.target_id();
  applies_local_clip = data.applies_local_clip();
  layer_clipping_uses_only_local_clip =
      data.layer_clipping_uses_only_local_clip();
  target_is_clipped = data.target_is_clipped();
  layers_are_clipped = data.layers_are_clipped();
  layers_are_clipped_when_surfaces_disabled =
      data.layers_are_clipped_when_surfaces_disabled();
  resets_clip = data.resets_clip();
}

void ClipNode::AsValueInto(base::trace_event::TracedValue* value) const {
  value->SetInteger("id", id);
  value->SetInteger("parent_id", parent_id);
  value->SetInteger("owner_id", owner_id);
  MathUtil::AddToTracedValue("clip", clip, value);
  value->SetInteger("transform_id", transform_id);
  value->SetInteger("target_id", target_id);
  value->SetBoolean("applies_local_clip", applies_local_clip);
  value->SetBoolean("layer_clipping_uses_only_local_clip",
                    layer_clipping_uses_only_local_clip);
  value->SetBoolean("target_is_clipped", target_is_clipped);
  value->SetBoolean("layers_are_clipped", layers_are_clipped);
  value->SetBoolean("layers_are_clipped_when_surfaces_disabled",
                    layers_are_clipped_when_surfaces_disabled);
  value->SetBoolean("resets_clip", resets_clip);
}

}  // namespace cc