mirror of
https://github.com/encounter/engine.git
synced 2026-03-30 11:09:55 -07:00
Jim Graham
127 lines
4.5 KiB
C++
127 lines
4.5 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_LIB_UI_COMPOSITING_SCENE_BUILDER_H_
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#define FLUTTER_LIB_UI_COMPOSITING_SCENE_BUILDER_H_
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#include <stdint.h>
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#include <memory>
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#include <vector>
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#include "flutter/flow/layers/container_layer.h"
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#include "flutter/lib/ui/compositing/scene.h"
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#include "flutter/lib/ui/dart_wrapper.h"
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#include "flutter/lib/ui/painting/color_filter.h"
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#include "flutter/lib/ui/painting/engine_layer.h"
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#include "flutter/lib/ui/painting/image_filter.h"
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#include "flutter/lib/ui/painting/path.h"
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#include "flutter/lib/ui/painting/picture.h"
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#include "flutter/lib/ui/painting/rrect.h"
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#include "flutter/lib/ui/painting/shader.h"
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#include "third_party/tonic/typed_data/typed_list.h"
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#if defined(OS_FUCHSIA)
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#include "flutter/lib/ui/compositing/scene_host.h"
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#endif
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namespace flutter {
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class SceneBuilder : public RefCountedDartWrappable<SceneBuilder> {
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DEFINE_WRAPPERTYPEINFO();
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FML_FRIEND_MAKE_REF_COUNTED(SceneBuilder);
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public:
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static fml::RefPtr<SceneBuilder> create() {
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return fml::MakeRefCounted<SceneBuilder>();
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}
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~SceneBuilder() override;
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fml::RefPtr<EngineLayer> pushTransform(tonic::Float64List& matrix4);
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fml::RefPtr<EngineLayer> pushOffset(double dx, double dy);
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fml::RefPtr<EngineLayer> pushClipRect(double left,
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double right,
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double top,
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double bottom,
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int clipBehavior);
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fml::RefPtr<EngineLayer> pushClipRRect(const RRect& rrect, int clipBehavior);
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fml::RefPtr<EngineLayer> pushClipPath(const CanvasPath* path,
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int clipBehavior);
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fml::RefPtr<EngineLayer> pushOpacity(int alpha, double dx = 0, double dy = 0);
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fml::RefPtr<EngineLayer> pushColorFilter(const ColorFilter* color_filter);
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fml::RefPtr<EngineLayer> pushImageFilter(const ImageFilter* image_filter);
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fml::RefPtr<EngineLayer> pushBackdropFilter(ImageFilter* filter);
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fml::RefPtr<EngineLayer> pushShaderMask(Shader* shader,
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double maskRectLeft,
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double maskRectRight,
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double maskRectTop,
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double maskRectBottom,
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int blendMode);
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fml::RefPtr<EngineLayer> pushPhysicalShape(const CanvasPath* path,
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double elevation,
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int color,
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int shadowColor,
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int clipBehavior);
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void addRetained(fml::RefPtr<EngineLayer> retainedLayer);
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void pop();
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void addPerformanceOverlay(uint64_t enabledOptions,
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double left,
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double right,
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double top,
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double bottom);
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void addPicture(double dx, double dy, Picture* picture, int hints);
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void addTexture(double dx,
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double dy,
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double width,
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double height,
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int64_t textureId,
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bool freeze);
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void addPlatformView(double dx,
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double dy,
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double width,
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double height,
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int64_t viewId);
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#if defined(OS_FUCHSIA)
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void addChildScene(double dx,
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double dy,
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double width,
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double height,
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SceneHost* sceneHost,
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bool hitTestable);
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#endif
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void setRasterizerTracingThreshold(uint32_t frameInterval);
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void setCheckerboardRasterCacheImages(bool checkerboard);
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void setCheckerboardOffscreenLayers(bool checkerboard);
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fml::RefPtr<Scene> build();
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static void RegisterNatives(tonic::DartLibraryNatives* natives);
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private:
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SceneBuilder();
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void AddLayer(std::shared_ptr<Layer> layer);
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void PushLayer(std::shared_ptr<ContainerLayer> layer);
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void PopLayer();
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std::vector<std::shared_ptr<ContainerLayer>> layer_stack_;
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int rasterizer_tracing_threshold_ = 0;
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bool checkerboard_raster_cache_images_ = false;
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bool checkerboard_offscreen_layers_ = false;
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FML_DISALLOW_COPY_AND_ASSIGN(SceneBuilder);
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};
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} // namespace flutter
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#endif // FLUTTER_LIB_UI_COMPOSITING_SCENE_BUILDER_H_
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