Split ClipTransformRecorder into {Clip,Transform}Recorder.

ui/compositor/clip_transform_recorder.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 "ui/compositor/clip_transform_recorder.h"
-
-#include "base/logging.h"
-#include "cc/playback/clip_display_item.h"
-#include "cc/playback/clip_path_display_item.h"
-#include "cc/playback/display_item_list.h"
-#include "cc/playback/transform_display_item.h"
-#include "ui/compositor/paint_context.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/path.h"
-
-namespace ui {
-
-ClipTransformRecorder::ClipTransformRecorder(const PaintContext& context)
-    : context_(context), num_closers_(0) {
-}
-
-ClipTransformRecorder::~ClipTransformRecorder() {
-  for (size_t i = num_closers_; i > 0; --i) {
-    switch (closers_[i - 1]) {
-      case CLIP_RECT:
-        context_.list_->CreateAndAppendItem<cc::EndClipDisplayItem>();
-        break;
-      case CLIP_PATH:
-        context_.list_->CreateAndAppendItem<cc::EndClipPathDisplayItem>();
-        break;
-      case TRANSFORM:
-        context_.list_->CreateAndAppendItem<cc::EndTransformDisplayItem>();
-        break;
-    }
-  }
-}
-
-void ClipTransformRecorder::ClipRect(const gfx::Rect& clip_rect) {
-  auto* item = context_.list_->CreateAndAppendItem<cc::ClipDisplayItem>();
-  item->SetNew(clip_rect, std::vector<SkRRect>());
-  DCHECK_LT(num_closers_, arraysize(closers_));
-  closers_[num_closers_++] = CLIP_RECT;
-}
-
-void ClipTransformRecorder::ClipPath(const gfx::Path& clip_path) {
-  bool anti_alias = false;
-  auto* item = context_.list_->CreateAndAppendItem<cc::ClipPathDisplayItem>();
-  item->SetNew(clip_path, SkRegion::kIntersect_Op, anti_alias);
-  DCHECK_LT(num_closers_, arraysize(closers_));
-  closers_[num_closers_++] = CLIP_PATH;
-}
-
-void ClipTransformRecorder::ClipPathWithAntiAliasing(
-    const gfx::Path& clip_path) {
-  bool anti_alias = true;
-  auto* item = context_.list_->CreateAndAppendItem<cc::ClipPathDisplayItem>();
-  item->SetNew(clip_path, SkRegion::kIntersect_Op, anti_alias);
-  DCHECK_LT(num_closers_, arraysize(closers_));
-  closers_[num_closers_++] = CLIP_PATH;
-}
-
-void ClipTransformRecorder::Transform(const gfx::Transform& transform) {
-  auto* item = context_.list_->CreateAndAppendItem<cc::TransformDisplayItem>();
-  item->SetNew(transform);
-  DCHECK_LT(num_closers_, arraysize(closers_));
-  closers_[num_closers_++] = TRANSFORM;
-}
-
-}  // namespace ui