| from __future__ import annotations |
|
|
| from rich.console import ConsoleOptions, Console, RenderResult |
|
|
| from rich.segment import Segment |
| from rich.style import Style |
|
|
| from ..color import Color |
|
|
|
|
| class VerticalGradient: |
| """Draw a vertical gradient.""" |
|
|
| def __init__(self, color1: str, color2: str) -> None: |
| self._color1 = Color.parse(color1) |
| self._color2 = Color.parse(color2) |
|
|
| def __rich_console__( |
| self, console: Console, options: ConsoleOptions |
| ) -> RenderResult: |
| width = options.max_width |
| height = options.height or options.max_height |
| color1 = self._color1 |
| color2 = self._color2 |
| default_color = Color(0, 0, 0).rich_color |
| from_color = Style.from_color |
| blend = color1.blend |
| rich_color1 = color1.rich_color |
| for y in range(height): |
| line_color = from_color( |
| default_color, |
| ( |
| blend(color2, y / (height - 1)).rich_color |
| if height > 1 |
| else rich_color1 |
| ), |
| ) |
| yield Segment(f"{width * ' '}\n", line_color) |
|
|
|
|
| if __name__ == "__main__": |
| from rich import print |
|
|
| print(VerticalGradient("red", "blue")) |
|
|
