c# - Convert int to System.Drawing.Brushes.SomeColor?

Question

I imagine those System.Drawing.Brushes.SomeColor can eventually break down to some numbers, or vectors perhaps, such as 0 is black and 255 is white in a 8-bit gray scale representation.

So I am wondering is there any chance an integer can be converted to System.Drawing.Brushes.SomeColor? Or perhaps an integer array like (a,a,a), where int a = someNumber;

Thanks.

Answer 1

您可以使用 Color.ToArgb 和 Color.FromArgb 将颜色值转换为整数：

int blueInt = System.Drawing.Color.Blue.ToArgb();
var colorBlue = System.Drawing.Color.FromArgb(blueInt);

您可以从如下颜色创建实心画笔：

SolidBrush sb = new SolidBrush(blueColor);

Answer 2

您不能直接转换整数，但可以从 RGB 集中创建一个：

Color.FromArgb( MSDN )

如您所料，将采用一组整数，一个用于红色，一个用于绿色，一个用于蓝色。该方法的不同重载允许您指定 alpha 值。

然后从颜色创建一个画笔：

Brush myBrush = new SolidBrush(myColor);

( MSDN )