StrokeCap 继承自： Enum

Styles to use for line endings.

示例

import flet as ft
import flet.canvas as cv


def showcase_card(stroke_cap: ft.StrokeCap) -> ft.Container:
    return ft.Container(
        width=280,
        padding=12,
        border=ft.Border.all(1, ft.Colors.RED),
        border_radius=10,
        bgcolor=ft.Colors.SURFACE_CONTAINER_LOW,
        content=ft.Column(
            spacing=8,
            controls=[
                ft.Text(stroke_cap.name, weight=ft.FontWeight.BOLD),
                cv.Canvas(
                    width=240,
                    height=90,
                    shapes=[
                        cv.Line(
                            x1=40,
                            y1=45,
                            x2=200,
                            y2=45,
                            paint=ft.Paint(
                                stroke_width=24,
                                color=ft.Colors.PRIMARY,
                                stroke_cap=stroke_cap,
                            ),
                        ),
                        cv.Line(
                            x1=40,
                            y1=16,
                            x2=40,
                            y2=74,
                            paint=ft.Paint(stroke_width=2, color=ft.Colors.RED),
                        ),
                        cv.Line(
                            x1=200,
                            y1=16,
                            x2=200,
                            y2=74,
                            paint=ft.Paint(stroke_width=2, color=ft.Colors.RED),
                        ),
                    ],
                ),
            ],
        ),
    )


def main(page: ft.Page):
    page.horizontal_alignment = ft.CrossAxisAlignment.CENTER

    page.appbar = ft.AppBar(title="StrokeCap Showcase")
    page.add(
        ft.SafeArea(
            content=ft.Column(
                controls=[
                    ft.Text("Compare line endings for each StrokeCap value."),
                    ft.Row(
                        wrap=True,
                        spacing=12,
                        expand=True,
                        scroll=ft.ScrollMode.AUTO,
                        alignment=ft.MainAxisAlignment.CENTER,
                        controls=[
                            showcase_card(stroke_cap) for stroke_cap in ft.StrokeCap
                        ],
                    ),
                ],
            ),
        )
    )


if __name__ == "__main__":
    ft.run(main)

枚举值

名称	类型	默认值	说明
ROUND	—	'round'	Begin and end contours with a semi-circle extension.
SQUARE	—	'square'	Begin and end contours with a half square extension.
BUTT	—	'butt'	Begin and end contours with a flat edge and no extension.