public static async Task <WriteableBitmap> GetBusSprite(string text, double angle)
{
Rect[] nonColoredRegions = new Rect[] { new Rect(0, 1, 1, 41), new Rect(4, 2, 3, 39), new Rect(12, 8, 73, 27), new Rect(95, 11, 11, 22), new Rect(125, 0, 0, 43) };
WriteableBitmap result;
if (VehicleBaseImage == null)
{
result = await WriteableBitmapExtensions.FromContent(null, new Uri("ms-appx:///Assets/Icons/VehicleBase.png"));
Color accentColor = ((Color)App.Current.Resources["SystemColorControlAccentColor"]);
Func <Color, Color> darken = clr => Color.FromArgb(clr.A, (byte)(clr.R / 2), (byte)(clr.G / 2), (byte)(clr.B / 2));
int innerWidth = 126;
int innerHeight = 44;
result.ForEach((x, y, oldCol) =>
{
Color newColor = oldCol;
double relX = x - (result.PixelWidth - innerWidth) / 2;
double relY = y - (result.PixelHeight - innerHeight) / 2;
if (!nonColoredRegions.Any(rect => rect.Contains(new Point(relX, relY))) && relX >= 0 && relY >= 0 && relX < innerWidth && relY < innerHeight)
{
newColor = SetByteBrightness(darken(accentColor), newColor.R);
//newColor = Color.FromArgb(newColor.A, (byte)(accentColor.R + ), (byte)((double)newColor.G * (double)accentColor.G / 256.0), (byte)((double)newColor.B * (double)accentColor.B / 256.0));
}
return(newColor);
});
VehicleBaseImage = result;
}
else
{
result = VehicleBaseImage;
}
result = result.RotateFree(angle);
//result.ForEach((x, y, oldCol) =>
//{
// Color newColor = oldCol;
// if (newColor.A == 0)
// newColor = Colors.Black;
// return newColor;
//});
return(result);
}
