maui-linux/Xamarin.Forms.Platform.Android/ColorExtensions.cs

42 строки
1.3 KiB
C#

using Android.Content.Res;
using AColor = Android.Graphics.Color;
namespace Xamarin.Forms.Platform.Android
{
public static class ColorExtensions
{
static readonly int[][] ColorStates = { new[] { global::Android.Resource.Attribute.StateEnabled }, new[] { -global::Android.Resource.Attribute.StateEnabled } };
public static AColor ToAndroid(this Color self)
{
return new AColor((byte)(byte.MaxValue * self.R), (byte)(byte.MaxValue * self.G), (byte)(byte.MaxValue * self.B), (byte)(byte.MaxValue * self.A));
}
public static AColor ToAndroid(this Color self, int defaultColorResourceId)
{
if (self == Color.Default)
{
using (Resources resources = Resources.System)
#pragma warning disable 618
return resources.GetColor(defaultColorResourceId);
#pragma warning restore 618
}
return ToAndroid(self);
}
public static AColor ToAndroid(this Color self, Color defaultColor)
{
if (self == Color.Default)
return defaultColor.ToAndroid();
return ToAndroid(self);
}
public static ColorStateList ToAndroidPreserveDisabled(this Color color, ColorStateList defaults)
{
int disabled = defaults.GetColorForState(ColorStates[1], color.ToAndroid());
return new ColorStateList(ColorStates, new[] { color.ToAndroid().ToArgb(), disabled });
}
}
}