| // Copyright 2013 The Flutter 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 FLUTTER_FLOW_LAYERS_DISPLAY_LIST_LAYER_H_ |
| #define FLUTTER_FLOW_LAYERS_DISPLAY_LIST_LAYER_H_ |
| |
| #include "flutter/flow/display_list.h" |
| #include "flutter/flow/layers/layer.h" |
| |
| namespace flutter { |
| |
| class DisplayListLayer : public Layer { |
| public: |
| static constexpr size_t kMaxBytesToCompare = 10000; |
| |
| DisplayListLayer(const SkPoint& offset, |
| sk_sp<DisplayList> display_list, |
| bool is_complex, |
| bool will_change); |
| |
| DisplayList* display_list() const { return display_list_.get(); } |
| |
| #ifdef FLUTTER_ENABLE_DIFF_CONTEXT |
| |
| bool IsReplacing(DiffContext* context, const Layer* layer) const override; |
| |
| void Diff(DiffContext* context, const Layer* old_layer) override; |
| |
| const DisplayListLayer* as_display_list_layer() const override { |
| return this; |
| } |
| |
| #endif // FLUTTER_ENABLE_DIFF_CONTEXT |
| |
| void Preroll(PrerollContext* frame, const SkMatrix& matrix) override; |
| |
| void Paint(PaintContext& context) const override; |
| |
| private: |
| SkPoint offset_; |
| sk_sp<DisplayList> display_list_; |
| bool is_complex_ = false; |
| bool will_change_ = false; |
| |
| #ifdef FLUTTER_ENABLE_DIFF_CONTEXT |
| |
| sk_sp<SkData> SerializedPicture() const; |
| mutable sk_sp<SkData> cached_serialized_picture_; |
| static bool Compare(DiffContext::Statistics& statistics, |
| const DisplayListLayer* l1, |
| const DisplayListLayer* l2); |
| |
| #endif // FLUTTER_ENABLE_DIFF_CONTEXT |
| |
| FML_DISALLOW_COPY_AND_ASSIGN(DisplayListLayer); |
| }; |
| |
| } // namespace flutter |
| |
| #endif // FLUTTER_FLOW_LAYERS_DISPLAY_LIST_LAYER_H_ |