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// 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_PICTURE_LAYER_H_
#define FLUTTER_FLOW_LAYERS_PICTURE_LAYER_H_
#include <memory>
#include "flutter/flow/layers/layer.h"
#include "flutter/flow/raster_cache.h"
#include "flutter/flow/skia_gpu_object.h"
namespace flutter {
class PictureLayer : public Layer {
public:
PictureLayer(const SkPoint& offset,
SkiaGPUObject<SkPicture> picture,
bool is_complex,
bool will_change);
SkPicture* picture() const { return picture_.get().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 PictureLayer* as_picture_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_;
// Even though pictures themselves are not GPU resources, they may reference
// images that have a reference to a GPU resource.
SkiaGPUObject<SkPicture> picture_;
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 PictureLayer* l1,
const PictureLayer* l2);
#endif // FLUTTER_ENABLE_DIFF_CONTEXT
FML_DISALLOW_COPY_AND_ASSIGN(PictureLayer);
};
} // namespace flutter
#endif // FLUTTER_FLOW_LAYERS_PICTURE_LAYER_H_