# Visiongraph UI
User interface library for visiongraph projects. The idea behind this project is to create a structure for computer vision applications. The idea is to have a **configuration**, **app** and **graph**. And if needed a **window**.
### Example
#### Configuration
```python
class DemoConfig:
def __init__(self):
container = ContainerHelper(self)
# non-ui bound settings
with container.section("Test"):
self.enable_input = DataField(False) | ui.Boolean("Enable") | Argument(help="Enable input.")
```
#### Application
```python
class DemoApp(VisiongraphApp[vg.VisionGraph, DemoConfig]):
def __init__(self, config: DemoConfig):
super().__init__(config)
def create_graph(self) -> vg.Visiongraph:
graph = DemoGraph().create_graph(vg.VideoCaptureInput())
graph.multi_threaded = True
return graph
```
#### Graph
```python
class DemoGraph:
def __init__(self):
self.on_frame_ready: Event[np.ndarray] = Event()
self.graph: Optional[vg.VisionGraph] = None
def _on_frame_ready(self, frame: np.ndarray) -> np.ndarray:
self.on_frame_ready(frame)
return frame
def create_graph(self, input_device: vg.BaseInput) -> vg.VisionGraph:
self.graph = (
vg.create_graph(name="Demo Graph", input_node=input_device, multi_threaded=True)
.then(vg.custom(self._on_frame_ready))
.build()
)
return self.graph
```
#### Window
```python
class DemoWindow(VisiongraphUserInterface[DemoApp, DemoConfig]):
def __init__(self, app: DemoApp):
super().__init__(app)
```
#### Usage
```python
def main():
config = DemoConfig()
app = DemoApp(config)
with UIContext():
window = DemoWindow(app)
```
### About
This is a first draft of the library and the api will change in future release.
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"description": "# Visiongraph UI\n\nUser interface library for visiongraph projects. The idea behind this project is to create a structure for computer vision applications. The idea is to have a **configuration**, **app** and **graph**. And if needed a **window**.\n\n### Example\n\n#### Configuration\n\n```python\nclass DemoConfig:\n def __init__(self):\n container = ContainerHelper(self)\n\n # non-ui bound settings\n with container.section(\"Test\"):\n self.enable_input = DataField(False) | ui.Boolean(\"Enable\") | Argument(help=\"Enable input.\")\n```\n\n#### Application\n\n```python\nclass DemoApp(VisiongraphApp[vg.VisionGraph, DemoConfig]):\n def __init__(self, config: DemoConfig):\n super().__init__(config)\n\n def create_graph(self) -> vg.Visiongraph:\n graph = DemoGraph().create_graph(vg.VideoCaptureInput())\n graph.multi_threaded = True\n return graph\n```\n\n#### Graph\n\n```python\nclass DemoGraph:\n def __init__(self):\n self.on_frame_ready: Event[np.ndarray] = Event()\n self.graph: Optional[vg.VisionGraph] = None\n\n def _on_frame_ready(self, frame: np.ndarray) -> np.ndarray:\n self.on_frame_ready(frame)\n return frame\n\n def create_graph(self, input_device: vg.BaseInput) -> vg.VisionGraph:\n self.graph = (\n vg.create_graph(name=\"Demo Graph\", input_node=input_device, multi_threaded=True)\n .then(vg.custom(self._on_frame_ready))\n .build()\n )\n return self.graph\n```\n\n#### Window\n\n```python\nclass DemoWindow(VisiongraphUserInterface[DemoApp, DemoConfig]):\n def __init__(self, app: DemoApp):\n super().__init__(app)\n```\n\n#### Usage\n\n```python\ndef main():\n config = DemoConfig()\n app = DemoApp(config)\n\n with UIContext():\n window = DemoWindow(app)\n```\n\n### About\n\nThis is a first draft of the library and the api will change in future release.\n\n\n",
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