private void OnPaintCanvas(object sender, SKPaintSurfaceEventArgs e)
{
SKDevicePainter painter = new SKDevicePainter(e.Surface.Canvas);
KDeviceHandler.Draw(painter, 0, 0, e.Info.Width, e.Info.Height);
data.DisplayTouchLocation(painter);
}
public static void Executing(bool executing)
{
if (executing)
{
theOutputPageNavigation.IconImageSource = "icons8refresh96.png"; // this is actually a size 40 icon in iOS resources: otherwise it does not scale
theChartPageNavigation.IconImageSource = "icons8refresh96.png"; // this is actually a size 40 icon in iOS resources: otherwise it does not scale
// we need to use size 40x40 icons or they get stuck at wrong size after changing icon:
theModelEntryPage.deviceButton.Source = "icons8device40disabled.png";
theChartPage.deviceButton.Source = "icons8device40disabled.png";
theModelEntryPage.startButton.Source = "icons8play40disabled.png";
theChartPage.startButton.Source = "icons8play40disabled.png";
theChartPage.stopButton.Source = "icons8stop40.png";
}
else
{
theOutputPageNavigation.IconImageSource = "icons8truefalse100.png";
theChartPageNavigation.IconImageSource = "icons8combochart48.png"; // DO NOT use icons8combochart96, it will not scale
// we need to use size 40x40 icons or they get stuck at wrong size after changing icon:
theModelEntryPage.deviceButton.Source = KDeviceHandler.Exists() ? "icons8device40on.png" : "icons8device40off.png";
theChartPage.deviceButton.Source = KDeviceHandler.Exists() ? "icons8device40on.png" : "icons8device40off.png";
theModelEntryPage.startButton.Source = "icons8play40.png";
theChartPage.startButton.Source = "icons8play40.png";
theChartPage.stopButton.Source = "icons8stop40disabled.png";
}
}
// Implement this to draw on the canvas.
public override void DrawRect(CGRect dirtyRect)
{
base.DrawRect(dirtyRect);
var context = NSGraphicsContext.CurrentContext.CGContext;
CG.FlipCoordinateSystem(context);
KDeviceHandler.Draw(new CGDevicePainter(context), 0, 0, (int)dirtyRect.Width, (int)dirtyRect.Height);
}
public DeviceView()
{
// register this as KTouchable so that touch callbacks can be attached through interface KTouchable:
// (If we want to add special actions for Tap, etc. beyond built-in two-finger swiping and zooming)
// KDeviceHandler.Register(this);
this.BackgroundColor = Color.Transparent;
this.PaintSurface += OnPaintCanvas;
/* Attact Touch effect from KTouch.OnTouchEffectAction */
TouchEffect touchEffect = new TouchEffect();
touchEffect.TouchAction += KTouchServer.OnTouchEffectAction;
touchEffect.Capture = true; // "This has the effect of delivering all subsequent events to the same event handler"
this.Effects.Add(touchEffect);
/* Initialize Interface KTouchClient with a locally-sourced KTouchClientData closure */
this.data = new KTouchClientData(
invalidateSurface: () => { this.InvalidateSurface(); },
setManualPinchPan: (Swipe pinchPan) => { KDeviceHandler.SetPinchPan(pinchPan); }
);
}
public ImageButton DeviceButton()
{
ImageButton button = new ImageButton()
{
Source = "icons8device40off.png",
HeightRequest = MainTabbedPage.buttonHeightRequest,
WidthRequest = MainTabbedPage.buttonHeightRequest,
HorizontalOptions = LayoutOptions.CenterAndExpand,
BackgroundColor = MainTabbedPage.secondBarColor,
};
button.Clicked += async(object sender, EventArgs e) => {
if (!modelInfo.executable)
{
return;
}
if (Exec.IsExecuting())
{
return; // pretend button is in disabled state
}
if (KDeviceHandler.Exists())
{
deviceButton.Source = "icons8device40off.png";
MainTabbedPage.theChartPage.deviceButton.Source = "icons8device40off.png";
MainTabbedPage.theChartPage.SwitchToPlotView();
KDeviceHandler.Stop();
}
else
{
KDeviceHandler.Start(35, 200);
MainTabbedPage.theChartPage.SwitchToDeviceView();
deviceButton.Source = "icons8device40on.png";
MainTabbedPage.theChartPage.deviceButton.Source = "icons8device40on.png";
}
};
return(button);
}
// Implement this to draw on the canvas.
protected override void OnPaintSurface(SkiaSharp.Views.Desktop.SKPaintSurfaceEventArgs e)
{
base.OnPaintSurface(e);
KDeviceHandler.Draw(new SKDevicePainter(e.Surface.Canvas), Location.X, Location.Y, e.Info.Width, e.Info.Height);
}