# {py:mod}`simvx.graphics.render2d.cache`

```{py:module} simvx.graphics.render2d.cache
```

```{autodoc2-docstring} simvx.graphics.render2d.cache
:allowtitles:
```

## Module Contents

### Classes

````{list-table}
:class: autosummary longtable
:align: left

* - {py:obj}`ViewState <simvx.graphics.render2d.cache.ViewState>`
  - ```{autodoc2-docstring} simvx.graphics.render2d.cache.ViewState
    :summary:
    ```
* - {py:obj}`RenderItemCache <simvx.graphics.render2d.cache.RenderItemCache>`
  - ```{autodoc2-docstring} simvx.graphics.render2d.cache.RenderItemCache
    :summary:
    ```
````

### Data

````{list-table}
:class: autosummary longtable
:align: left

* - {py:obj}`__all__ <simvx.graphics.render2d.cache.__all__>`
  - ```{autodoc2-docstring} simvx.graphics.render2d.cache.__all__
    :summary:
    ```
````

### API

````{py:data} __all__
:canonical: simvx.graphics.render2d.cache.__all__
:value: >
   ['RenderItemCache', 'ViewState']

```{autodoc2-docstring} simvx.graphics.render2d.cache.__all__
```

````

`````{py:class} ViewState(*, offset: tuple[float, float] = (0.0, 0.0), zoom: tuple[float, float] = (1.0, 1.0), rotation: float = 0.0, viewport: tuple[int, int] = (0, 0))
:canonical: simvx.graphics.render2d.cache.ViewState

```{autodoc2-docstring} simvx.graphics.render2d.cache.ViewState
```

```{rubric} Initialization
```

```{autodoc2-docstring} simvx.graphics.render2d.cache.ViewState.__init__
```

````{py:attribute} __slots__
:canonical: simvx.graphics.render2d.cache.ViewState.__slots__
:value: >
   ('offset', 'zoom', 'rotation', 'viewport')

```{autodoc2-docstring} simvx.graphics.render2d.cache.ViewState.__slots__
```

````

````{py:method} __eq__(other: object) -> bool
:canonical: simvx.graphics.render2d.cache.ViewState.__eq__

````

````{py:method} __hash__() -> int
:canonical: simvx.graphics.render2d.cache.ViewState.__hash__

````

````{py:method} __repr__() -> str
:canonical: simvx.graphics.render2d.cache.ViewState.__repr__

````

`````

`````{py:class} RenderItemCache(*, builder_factory: collections.abc.Callable[[], simvx.graphics.render2d.item_builder.ItemBuilder] = ItemBuilder, dynamic: bool | collections.abc.Callable[[typing.Any], bool] = False, theme_generation: collections.abc.Callable[[], int] | None = None)
:canonical: simvx.graphics.render2d.cache.RenderItemCache

```{autodoc2-docstring} simvx.graphics.render2d.cache.RenderItemCache
```

```{rubric} Initialization
```

```{autodoc2-docstring} simvx.graphics.render2d.cache.RenderItemCache.__init__
```

````{py:attribute} __slots__
:canonical: simvx.graphics.render2d.cache.RenderItemCache.__slots__
:value: >
   ('_builder_factory', '_dynamic', '_cached', '_cached_structure_version', '_cached_view', '_cached_th...

```{autodoc2-docstring} simvx.graphics.render2d.cache.RenderItemCache.__slots__
```

````

````{py:method} mark_dirty() -> None
:canonical: simvx.graphics.render2d.cache.RenderItemCache.mark_dirty

```{autodoc2-docstring} simvx.graphics.render2d.cache.RenderItemCache.mark_dirty
```

````

````{py:property} dirty
:canonical: simvx.graphics.render2d.cache.RenderItemCache.dirty
:type: bool

```{autodoc2-docstring} simvx.graphics.render2d.cache.RenderItemCache.dirty
```

````

````{py:method} is_dynamic(root: typing.Any) -> bool
:canonical: simvx.graphics.render2d.cache.RenderItemCache.is_dynamic

```{autodoc2-docstring} simvx.graphics.render2d.cache.RenderItemCache.is_dynamic
```

````

````{py:method} set_dynamic(dynamic: bool | collections.abc.Callable[[typing.Any], bool]) -> None
:canonical: simvx.graphics.render2d.cache.RenderItemCache.set_dynamic

```{autodoc2-docstring} simvx.graphics.render2d.cache.RenderItemCache.set_dynamic
```

````

````{py:method} frame(root: typing.Any, *, structure_version: int = 0, view: simvx.graphics.render2d.cache.ViewState | None = None, layer: int = 0) -> simvx.graphics.render2d.item_builder.CollectResult
:canonical: simvx.graphics.render2d.cache.RenderItemCache.frame

```{autodoc2-docstring} simvx.graphics.render2d.cache.RenderItemCache.frame
```

````

````{py:method} invalidate() -> None
:canonical: simvx.graphics.render2d.cache.RenderItemCache.invalidate

```{autodoc2-docstring} simvx.graphics.render2d.cache.RenderItemCache.invalidate
```

````

````{py:property} cached
:canonical: simvx.graphics.render2d.cache.RenderItemCache.cached
:type: simvx.graphics.render2d.item_builder.CollectResult | None

```{autodoc2-docstring} simvx.graphics.render2d.cache.RenderItemCache.cached
```

````

````{py:property} epoch
:canonical: simvx.graphics.render2d.cache.RenderItemCache.epoch
:type: int

```{autodoc2-docstring} simvx.graphics.render2d.cache.RenderItemCache.epoch
```

````

````{py:property} collect_count
:canonical: simvx.graphics.render2d.cache.RenderItemCache.collect_count
:type: int

```{autodoc2-docstring} simvx.graphics.render2d.cache.RenderItemCache.collect_count
```

````

````{py:property} patch_count
:canonical: simvx.graphics.render2d.cache.RenderItemCache.patch_count
:type: int

```{autodoc2-docstring} simvx.graphics.render2d.cache.RenderItemCache.patch_count
```

````

````{py:property} skip_count
:canonical: simvx.graphics.render2d.cache.RenderItemCache.skip_count
:type: int

```{autodoc2-docstring} simvx.graphics.render2d.cache.RenderItemCache.skip_count
```

````

````{py:property} last_skipped
:canonical: simvx.graphics.render2d.cache.RenderItemCache.last_skipped
:type: bool

```{autodoc2-docstring} simvx.graphics.render2d.cache.RenderItemCache.last_skipped
```

````

````{py:property} last_geo_uploads
:canonical: simvx.graphics.render2d.cache.RenderItemCache.last_geo_uploads
:type: int

```{autodoc2-docstring} simvx.graphics.render2d.cache.RenderItemCache.last_geo_uploads
```

````

````{py:property} last_transform_writes
:canonical: simvx.graphics.render2d.cache.RenderItemCache.last_transform_writes
:type: int

```{autodoc2-docstring} simvx.graphics.render2d.cache.RenderItemCache.last_transform_writes
```

````

`````