public override void Draw(CGRect rect)
{
base.Draw(rect);
if (designMode || drawable == null)
{
return;
}
using (var ctx = UIGraphics.GetCurrentContext())
{
// create the skia context
SKImageInfo info;
using (var surface = drawable.CreateSurface(Bounds, IgnorePixelScaling ? 1 : ContentScaleFactor, out info))
{
// draw on the image using SKiaSharp
OnPaintSurface(new SKPaintSurfaceEventArgs(surface, info));
#pragma warning disable CS0618 // Type or member is obsolete
DrawInSurface(surface, info);
#pragma warning restore CS0618 // Type or member is obsolete
// draw the surface to the context
drawable.DrawSurface(ctx, Bounds, info, surface);
}
}
}
public override void DrawInContext(CGContext ctx)
{
base.DrawInContext(ctx);
// create the skia context
using (var surface = drawable.CreateSurface(Bounds, IgnorePixelScaling ? 1 : ContentsScale, out var info))
{
// draw on the image using SKiaSharp
OnPaintSurface(new SKPaintSurfaceEventArgs(surface, info));
#pragma warning disable CS0618 // Type or member is obsolete
DrawInSurface(surface, info);
SKDelegate?.DrawInSurface(surface, info);
#pragma warning restore CS0618 // Type or member is obsolete
// draw the surface to the context
drawable.DrawSurface(ctx, Bounds, info, surface);
}
}
public override void DrawRect(CGRect dirtyRect)
{
base.DrawRect(dirtyRect);
if (designMode || !isVisible || drawable == null)
{
return;
}
// create the skia context
using var surface = drawable.CreateSurface(Bounds, Window.BackingScaleFactor, out var info);
if (info.Width == 0 || info.Height == 0)
{
CanvasSize = SKSize.Empty;
return;
}
var userVisibleSize = IgnorePixelScaling
? new SKSizeI((int)Bounds.Width, (int)Bounds.Height)
: info.Size;
CanvasSize = userVisibleSize;
if (IgnorePixelScaling)
{
var skiaCanvas = surface.Canvas;
skiaCanvas.Scale((float)Window.BackingScaleFactor);
skiaCanvas.Save();
}
using var ctx = NSGraphicsContext.CurrentContext.CGContext;
// draw on the image using SKiaSharp
OnPaintSurface(new SKPaintSurfaceEventArgs(surface, info.WithSize(userVisibleSize), info));
// draw the surface to the context
drawable.DrawSurface(ctx, Bounds, info, surface);
}
public override void Draw(CGRect dirtyRect)
{
base.Draw(dirtyRect);
if (designMode || !isVisible || drawable == null)
{
return;
}
// create the skia context
using var surface = drawable.CreateSurface(Bounds, IgnorePixelScaling ? 1 : ContentScaleFactor, out var info);
if (info.Width == 0 || info.Height == 0)
{
return;
}
using var ctx = UIGraphics.GetCurrentContext();
// draw on the image using SKiaSharp
OnPaintSurface(new SKPaintSurfaceEventArgs(surface, info));
// draw the surface to the context
drawable.DrawSurface(ctx, Bounds, info, surface);
}