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b622d43c39
For https://github.com/flutter/flutter/issues/33807 We still need to make layers' children immutable for full immutability. That will require us to change the SceneBuilder API to build the layer bottom up instead of top down (post-order traversal instead of pre-order traversal).
44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_FLOW_LAYERS_PICTURE_LAYER_H_
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#define FLUTTER_FLOW_LAYERS_PICTURE_LAYER_H_
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#include <memory>
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#include "flutter/flow/layers/layer.h"
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#include "flutter/flow/raster_cache.h"
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#include "flutter/flow/skia_gpu_object.h"
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namespace flutter {
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class PictureLayer : public Layer {
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public:
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PictureLayer(const SkPoint& offset,
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SkiaGPUObject<SkPicture> picture,
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bool is_complex,
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bool will_change);
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~PictureLayer() override;
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SkPicture* picture() const { return picture_.get().get(); }
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void Preroll(PrerollContext* frame, const SkMatrix& matrix) override;
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void Paint(PaintContext& context) const override;
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private:
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SkPoint offset_;
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// Even though pictures themselves are not GPU resources, they may reference
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// images that have a reference to a GPU resource.
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SkiaGPUObject<SkPicture> picture_;
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bool is_complex_ = false;
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bool will_change_ = false;
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FML_DISALLOW_COPY_AND_ASSIGN(PictureLayer);
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};
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} // namespace flutter
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#endif // FLUTTER_FLOW_LAYERS_PICTURE_LAYER_H_
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