You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
24 lines
676 B
24 lines
676 B
13 years ago
|
using System;
|
||
|
|
using System.Drawing;
|
||
|
|
using System.Windows.Forms;
|
||
|
|
|
||
|
|
namespace ArdupilotMega.Controls
|
||
|
|
{
|
||
|
|
internal static class PseudoOpacityHelper
|
||
|
|
{
|
||
|
|
public static void CoverWithRect(this Control c, Graphics g, float opacity)
|
||
|
|
{
|
||
|
|
var bgcolor = c.BackColor;
|
||
|
|
int alpha = 255 - ((int)(opacity * 255));
|
||
|
|
|
||
|
|
Console.WriteLine("Alpha:" + alpha);
|
||
|
|
|
||
|
|
|
||
|
|
var opacityColor = Color.FromArgb(alpha, bgcolor.R, bgcolor.G, bgcolor.B);
|
||
|
|
using (var brush = new SolidBrush(opacityColor))
|
||
|
|
{
|
||
|
|
g.FillRectangle(brush, 0, 0, c.Width, c.Height);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|