erlab.interactive.imagetool.viewer_state¶

State and input parsing helpers for ImageTool viewer widgets.

Classes

`ColorMapState`	A dictionary containing the colormap state of an `ImageSlicerArea` instance.
`GuidelineState`	A dictionary containing the state of rotation guidelines.
`ImageSlicerState`	A dictionary containing the state of an `ImageSlicerArea` instance.
`PlotItemState`	A dictionary containing the state of a `PlotItem` instance.

class erlab.interactive.imagetool.viewer_state.ColorMapState[source]¶

Bases: TypedDict

A dictionary containing the colormap state of an ImageSlicerArea instance.

cmap: str | ColorMap¶

gamma: float¶

reverse: bool¶

high_contrast: bool¶

zero_centered: bool¶

levels_locked: bool¶

levels: NotRequired[tuple[float, float]]¶

class erlab.interactive.imagetool.viewer_state.GuidelineState[source]¶

Bases: TypedDict

A dictionary containing the state of rotation guidelines.

count: Literal[1, 2, 3]¶

angle: float¶

offset: tuple[float, float]¶

follow_cursor: bool¶

class erlab.interactive.imagetool.viewer_state.PlotItemState[source]¶

Bases: TypedDict

A dictionary containing the state of a PlotItem instance.

vb_aspect_locked: bool | float¶

vb_x_inverted: NotRequired[bool]¶

vb_y_inverted: NotRequired[bool]¶

vb_autorange: NotRequired[tuple[bool, bool]]¶

roi_states: NotRequired[list[dict[str, Any]]]¶

guideline_state: NotRequired[GuidelineState]¶

class erlab.interactive.imagetool.viewer_state.ImageSlicerState[source]¶

Bases: TypedDict

A dictionary containing the state of an ImageSlicerArea instance.

color: ColorMapState¶

slice: ArraySlicerState¶

current_cursor: int¶

manual_limits: dict[str, list[float]]¶

axis_inversions: typing.NotRequired[dict[str, bool]]¶

filter_operation: typing.NotRequired[dict[str, typing.Any] | None]¶

cursor_colors: list[str]¶

controls_visible: typing.NotRequired[bool]¶

file_path: typing.NotRequired[str | None]¶

load_func: typing.NotRequired[tuple[str, dict[str, typing.Any], _FileSelection] | None]¶

splitter_sizes: typing.NotRequired[list[list[int]]]¶

plotitem_states: typing.NotRequired[list[PlotItemState]]¶