void DrawFluentSliderTrackBackground(ICanvas canvas, RectangleF dirtyRect)
{
canvas.SaveState();
if (IsEnabled)
{
canvas.FillColor = MaximumTrackColor.ToGraphicsColor(Fluent.Color.Primary.ThemeLight);
}
else
{
canvas.FillColor = ColorHelper.GetGraphicsColor(Fluent.Color.Background.NeutralLighter, Fluent.Color.Background.NeutralDark);
}
var x = dirtyRect.X;
var width = dirtyRect.Width - TextSize;
var height = 4;
var y = (float)((HeightRequest - height) / 2);
canvas.FillRoundedRectangle(x, y, width, height, 0);
canvas.RestoreState();
_trackRect = new RectangleF(x, y, width, height);
}
public override void DrawBar(CGRect aRect, bool flipped)
{
// Mimick the dimensions of the original slider
var originalHeight = aRect.Height;
aRect.Height = 2.7f;
var radius = aRect.Height / 2;
aRect.Y += (originalHeight - aRect.Height) / 2;
// Calc the progress percentage to know where one bar starts
var progress = (float)((DoubleValue - MinValue) / (MaxValue - MinValue));
var minTrackRect = aRect;
minTrackRect.Width *= progress;
var maxTrackRect = aRect;
maxTrackRect.X += maxTrackRect.Width * progress;
maxTrackRect.Width = maxTrackRect.Width * (1 - progress);
// Draw min track
var minTrackPath = NSBezierPath.FromRoundedRect(minTrackRect, radius, radius);
var defaultMinTrackColor = Color.Accent.ToNSColor();
if (Forms.IsMojaveOrNewer)
{
defaultMinTrackColor = NSColor.ControlAccentColor;
}
var minTrackColor = MinimumTrackColor.IsDefault ? defaultMinTrackColor : MinimumTrackColor.ToNSColor();
minTrackColor.SetFill();
minTrackPath.Fill();
var defaultMaxTrackColor = NSColor.ControlShadow;
if (Forms.IsMojaveOrNewer)
{
defaultMaxTrackColor = NSColor.SeparatorColor;
}
// Draw max track
var maxTrackPath = NSBezierPath.FromRoundedRect(maxTrackRect, radius, radius);
var maxTrackColor = MaximumTrackColor.IsDefault ? defaultMaxTrackColor : MaximumTrackColor.ToNSColor();
maxTrackColor.SetFill();
maxTrackPath.Fill();
}
void DrawCupertinoSliderTrackBackground(ICanvas canvas, RectangleF dirtyRect)
{
canvas.SaveState();
canvas.FillColor = MaximumTrackColor.ToGraphicsColor(DefaultCupertinoSliderTrackBackgroundColor);
var x = dirtyRect.X;
var width = dirtyRect.Width;
var height = 1;
var y = (float)((HeightRequest - height) / 2);
canvas.FillRoundedRectangle(x, y, width, height, 20);
canvas.RestoreState();
_trackRect = new RectangleF(x, y, width, height);
}
void DrawMaterialSliderTrackBackground(ICanvas canvas, RectangleF dirtyRect)
{
canvas.SaveState();
canvas.FillColor = MaximumTrackColor.ToGraphicsColor(Material.Color.LightBlue);
var x = dirtyRect.X;
var width = dirtyRect.Width;
var height = 2;
var y = (float)((HeightRequest - height) / 2);
canvas.FillRoundedRectangle(x, y, width, height, 0);
canvas.RestoreState();
_trackRect = new RectangleF(x, y, width, height);
}
