public override void Draw(CGRect rect)
{
var context = UIGraphics.GetCurrentContext();
var bounds = Bounds;
UIColor background = Enabled ? pressed ? HighlightedColor : NormalColor : DisabledColor;
nfloat alpha = 1;
CGPath container = GraphicsUtil.MakeRoundedRectPath(bounds, 14);
context.AddPath(container);
context.Clip();
using (var cs = CGColorSpace.CreateDeviceRGB())
{
var topCenter = new CGPoint(bounds.GetMidX(), 0);
var midCenter = new CGPoint(bounds.GetMidX(), bounds.GetMidY());
var bottomCenter = new CGPoint(bounds.GetMidX(), bounds.GetMaxY());
using (
var gradient = new CGGradient(cs, new[] { 0.23f, 0.23f, 0.23f, alpha, 0.47f, 0.47f, 0.47f, alpha },
new nfloat[] { 0, 1 }))
{
context.DrawLinearGradient(gradient, topCenter, bottomCenter, 0);
}
container = GraphicsUtil.MakeRoundedRectPath(bounds.Inset(1, 1), 13);
context.AddPath(container);
context.Clip();
using (
var gradient = new CGGradient(cs, new[] { 0.05f, 0.05f, 0.05f, alpha, 0.15f, 0.15f, 0.15f, alpha },
new nfloat[] { 0, 1 }))
{
context.DrawLinearGradient(gradient, topCenter, bottomCenter, 0);
}
var nb = bounds.Inset(4, 4);
container = GraphicsUtil.MakeRoundedRectPath(nb, 10);
context.AddPath(container);
context.Clip();
background.SetFill();
context.FillRect(nb);
using (var gradient = new CGGradient(cs, new nfloat[] { 1, 1, 1, .35f, 1, 1, 1, 0.06f }, new nfloat[] { 0, 1 }))
{
context.DrawLinearGradient(gradient, topCenter, midCenter, 0);
}
context.SetLineWidth(2);
context.AddPath(container);
context.ReplacePathWithStrokedPath();
context.Clip();
using (
var gradient = new CGGradient(cs, new nfloat[] { 1, 1, 1, 0.5f, 0.5f, 0.5f, 0.5f, 0.5f }, new nfloat[] { 0, 1 })
)
{
context.DrawLinearGradient(gradient, topCenter, bottomCenter, 0);
}
}
}