| from __future__ import annotations |
|
|
| from typing import Iterable |
|
|
| from rich.console import ConsoleOptions, Console, RenderResult, RenderableType |
| from rich.segment import Segment |
| from rich.style import Style |
|
|
| from ..color import Color |
|
|
|
|
| class Tint: |
| """Applies a color on top of an existing renderable.""" |
|
|
| def __init__(self, renderable: RenderableType, color: Color) -> None: |
| """Wrap a renderable to apply a tint color. |
| |
| Args: |
| renderable (RenderableType): A renderable. |
| color (Color): A color (presumably with alpha). |
| """ |
| self.renderable = renderable |
| self.color = color |
|
|
| @classmethod |
| def process_segments( |
| cls, segments: Iterable[Segment], color: Color |
| ) -> Iterable[Segment]: |
| """Apply tint to segments. |
| |
| Args: |
| segments (Iterable[Segment]): Incoming segments. |
| color (Color): Color of tint. |
| |
| Returns: |
| Iterable[Segment]: Segments with applied tint. |
| |
| """ |
| from_rich_color = Color.from_rich_color |
| style_from_color = Style.from_color |
| _Segment = Segment |
|
|
| NULL_STYLE = Style() |
| for segment in segments: |
| text, style, control = segment |
| if control: |
| yield segment |
| else: |
| style = style or NULL_STYLE |
| yield _Segment( |
| text, |
| ( |
| style |
| + style_from_color( |
| ( |
| (from_rich_color(style.color) + color).rich_color |
| if style.color is not None |
| else None |
| ), |
| ( |
| (from_rich_color(style.bgcolor) + color).rich_color |
| if style.bgcolor is not None |
| else None |
| ), |
| ) |
| ), |
| control, |
| ) |
|
|
| def __rich_console__( |
| self, console: Console, options: ConsoleOptions |
| ) -> RenderResult: |
| segments = console.render(self.renderable, options) |
| color = self.color |
| return self.process_segments(segments, color) |
|
|
