private MainWindow(Builder builder)
: base(builder.GetObject("MainWindow").Handle)
{
builder.Autoconnect(this);
DeleteEvent += OnWindowDeleteEvent;
skiaView = new SKDrawingArea();
skiaView.PaintSurface += OnPaintSurface;
skiaView.Show();
Child = skiaView;
}
public SharpApp() : base("Center")
{
SetDefaultSize(250, 200);
SetPosition(WindowPosition.Center);
DeleteEvent += delegate { Application.Quit(); };
VBox vbox = new VBox(false, 5);
HBox hbox = new HBox(true, 3);
var drawingArea = new SKDrawingArea();
drawingArea.SetSizeRequest(100, 100);
drawingArea.PaintSurface += (sender, e) => {
var surface = e.Surface;
var surfaceWidth = e.Info.Width;
var surfaceHeight = e.Info.Height;
var canvas = surface.Canvas;
// draw on the canvas
canvas.Clear(new SkiaSharp.SKColor(255, 255, 255));
canvas.Flush();
};
Alignment valign = new Alignment(0, 1, 0, 0);
vbox.PackStart(valign, true, false, 1);
vbox.Add(drawingArea);
Button ok = new Button("OK");
ok.SetSizeRequest(70, 30);
Button close = new Button("Close");
hbox.Add(ok);
hbox.Add(close);
Alignment halign = new Alignment(1, 0, 0, 0);
halign.Add(hbox);
vbox.PackStart(halign, false, false, 3);
Add(vbox);
ShowAll();
}
public GtkDrawspace(GraphicsProvider provider, Rect2D subrect)
{
Provider = provider;
_lastPaintTime = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond;
_window = new Window("Drawspace");
_window.DeleteEvent += OnWindowDeleteEvent;
_window.SetDefaultSize((int)subrect.Size.X, (int)subrect.Size.Y);
_window.Move((int)subrect.Position.X, (int)subrect.Position.Y);
_skiaView = new SKDrawingArea();
_skiaView.PaintSurface += OnPaintSurface;
_skiaView.Show();
_window.Child = _skiaView;
TEXTALIGN[(int)IDrawspace.HORIZONTAL_ALIGNMENT.LEFT] = SKTextAlign.Left;
TEXTALIGN[(int)IDrawspace.HORIZONTAL_ALIGNMENT.CENTER] = SKTextAlign.Center;
TEXTALIGN[(int)IDrawspace.HORIZONTAL_ALIGNMENT.RIGHT] = SKTextAlign.Right;
_skiaView.PaintSurface += OnPaintSurface;
// init matrix stack
_xformStack.Push(SKMatrix.MakeIdentity());
_window.ShowAll();
}