以下代码什么意思 def line(self, start_pos, end_pos, color): """Draws a line.""" gfxdraw.line( self.screen, *start_pos, *end_pos, color )
时间: 2023-05-26 18:03:50 浏览: 37
这段代码是一个类的方法,用于在程序中绘制一条直线。它接受三个参数:起点坐标(start_pos)、终点坐标(end_pos)和颜色(color)。具体来说,该方法使用内置库pygame中的gfxdraw模块的line函数,将直线绘制在self.screen上,使用提供的颜色。*表示解包操作,将元组中的每个元素都作为参数传递给line函数。
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turtle.begin_fill
As an AI language model, I am not able to execute codes or commands directly. However, I can provide you with information about the `turtle.begin_fill()` function in Python.
`turtle.begin_fill()` is a function in the turtle module in Python that is used to start filling a shape with a color. Once this function is called, any subsequent drawing operations will fill the shape until the `turtle.end_fill()` function is called.
The `turtle.begin_fill()` function takes no arguments and can be called at any time after the turtle is created. It is often used in conjunction with other turtle functions, such as `turtle.color()` and `turtle.pensize()`, to draw and fill complex shapes.
Here is an example of how to use `turtle.begin_fill()` in Python:
```
import turtle
turtle.color("blue")
turtle.begin_fill()
turtle.circle(50)
turtle.end_fill()
```
In this example, the `turtle.color()` function sets the pen color to blue, `turtle.begin_fill()` starts filling the shape, `turtle.circle()` draws a circle with a radius of 50, and `turtle.end_fill()` stops filling the shape. The circle will be filled with blue color.
AOSP getWindow().setStatusBarColor(Color.TRANSPARENT); 无效
如果在 Android 5.0 以下的版本设置状态栏颜色,可以使用 SystemBarTint 库。如果在 Android 5.0 及以上的版本设置状态栏颜色,可以使用以下方式:
1. 确保你的 Activity 使用的主题是 Theme.AppCompat 或其子主题。
2. 在 onCreate 方法中调用以下代码:
```
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
getWindow().addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
getWindow().setStatusBarColor(Color.TRANSPARENT);
}
```
3. 确保你的布局文件中的顶级视图使用了 android:fitsSystemWindows="true" 属性。
如果以上方法仍然无效,可以尝试在布局文件中添加一个高度为状态栏高度的 View,并设置它的背景色为你想要的状态栏颜色。