Move cc::DisplayItemList and related classes into cc/paint/

cc/output/filter_operations.h

-// 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.
-
-#ifndef CC_OUTPUT_FILTER_OPERATIONS_H_
-#define CC_OUTPUT_FILTER_OPERATIONS_H_
-
-#include <stddef.h>
-
-#include <memory>
-#include <vector>
-
-#include "base/logging.h"
-#include "cc/output/filter_operation.h"
-
-namespace base {
-namespace trace_event {
-class TracedValue;
-}
-}
-
-namespace gfx {
-class Rect;
-}
-
-namespace cc {
-
-// An ordered list of filter operations.
-class CC_EXPORT FilterOperations {
- public:
-  FilterOperations();
-
-  FilterOperations(const FilterOperations& other);
-
-  explicit FilterOperations(std::vector<FilterOperation>&& operations);
-
-  ~FilterOperations();
-
-  FilterOperations& operator=(const FilterOperations& other);
-
-  FilterOperations& operator=(FilterOperations&& other);
-
-  bool operator==(const FilterOperations& other) const;
-
-  bool operator!=(const FilterOperations& other) const {
-    return !(*this == other);
-  }
-
-  void Append(const FilterOperation& filter);
-
-  // Removes all filter operations.
-  void Clear();
-
-  bool IsEmpty() const;
-
-  // Maps "forward" to determine which pixels in a destination rect are affected
-  // by pixels in the source rect.
-  gfx::Rect MapRect(const gfx::Rect& rect, const SkMatrix& matrix) const;
-
-  // Maps "backward" to determine which pixels in the source affect the pixels
-  // in the destination rect.
-  gfx::Rect MapRectReverse(const gfx::Rect& rect, const SkMatrix& matrix) const;
-
-  void GetOutsets(int* top, int* right, int* bottom, int* left) const;
-  bool HasFilterThatMovesPixels() const;
-  bool HasFilterThatAffectsOpacity() const;
-  bool HasReferenceFilter() const;
-
-  size_t size() const {
-    return operations_.size();
-  }
-
-  const std::vector<FilterOperation>& operations() const { return operations_; }
-
-  const FilterOperation& at(size_t index) const {
-    DCHECK_LT(index, size());
-    return operations_[index];
-  }
-
-  // If |from| is of the same size as this, where in each position, the filter
-  // in |from| is of the same type as the filter in this, and if this doesn't
-  // contain any reference filters, returns a FilterOperations formed by
-  // linearly interpolating at each position a |progress| fraction of the way
-  // from the filter in |from| to the filter in this. If |from| and this are of
-  // different lengths, they are treated as having the same length by padding
-  // the shorter sequence with no-op filters of the same type as the filters in
-  // the corresponding positions in the longer sequence. If either sequence has
-  // a reference filter or if there is a type mismatch at some position, returns
-  // a copy of this.
-  FilterOperations Blend(const FilterOperations& from, double progress) const;
-
-  void AsValueInto(base::trace_event::TracedValue* value) const;
-  std::string ToString() const;
-
- private:
-  std::vector<FilterOperation> operations_;
-};
-
-}  // namespace cc
-
-#endif  // CC_OUTPUT_FILTER_OPERATIONS_H_