Beispiel #1
0
        protected override void OnDraw(Xwt.Drawing.Context ctx)
        {
            base.OnDraw (ctx);

            ctx.SetLineDash (15, 10, 10, 5, 5);
            ctx.Rectangle (100, 100, 100, 100);
            ctx.Stroke ();
            ctx.SetLineDash (0);

            ImageBuilder ib = new ImageBuilder (30, 30, ImageFormat.ARGB32);
            ib.Context.Arc (15, 15, 15, 0, 360);
            ib.Context.SetColor (new Color (1, 0, 1));
            ib.Context.Rectangle (0, 0, 5, 5);
            ib.Context.Fill ();
            var img = ib.ToImage ();
            ctx.DrawImage (img, 90, 90);
            ctx.DrawImage (img, 90, 140, 50, 10);

            ctx.Arc (190, 190, 15, 0, 360);
            ctx.SetColor (new Color (1, 0, 1, 0.4));
            ctx.Fill ();

            ctx.Save ();
            ctx.Translate (90, 220);
            ctx.Pattern = new ImagePattern (img);
            ctx.Rectangle (0, 0, 100, 70);
            ctx.Fill ();
            ctx.Restore ();

            ctx.Translate (30, 30);
            double end = 270;

            for (double n = 0; n<=end; n += 5) {
                ctx.Save ();
                ctx.Rotate (n);
                ctx.MoveTo (0, 0);
                ctx.RelLineTo (30, 0);
                double c = n / end;
                ctx.SetColor (new Color (c, c, c));
                ctx.Stroke ();
                ctx.Restore ();
            }
        }
Beispiel #2
0
        protected override void OnDraw(Xwt.Drawing.Context ctx)
        {
            base.OnDraw (ctx);

            // Simple rectangles

            ctx.SetLineWidth (1);
            ctx.Rectangle (100, 5, 10, 10);
            ctx.SetColor (Color.Black);
            ctx.Fill ();

            ctx.Rectangle (115, 5, 10, 10);
            ctx.SetColor (Color.Black);
            ctx.Stroke ();

            //

            ctx.SetLineWidth (3);
            ctx.Rectangle (100, 20, 10, 10);
            ctx.SetColor (Color.Black);
            ctx.Fill ();

            ctx.Rectangle (115, 20, 10, 10);
            ctx.SetColor (Color.Black);
            ctx.Stroke ();

            // Rectangle with hole

            ctx.Rectangle (10, 100, 40, 40);
            ctx.MoveTo (45, 135);
            ctx.RelLineTo (0, -20);
            ctx.RelLineTo (-20, 0);
            ctx.RelLineTo (0, 20);
            ctx.ClosePath ();
            ctx.SetColor (Color.Black);
            ctx.Fill ();

            // Dashed lines

            ctx.SetLineDash (15, 10, 10, 5, 5);
            ctx.Rectangle (100, 100, 100, 100);
            ctx.Stroke ();
            ctx.SetLineDash (0);

            ImageBuilder ib = new ImageBuilder (30, 30, ImageFormat.ARGB32);
            ib.Context.Arc (15, 15, 15, 0, 360);
            ib.Context.SetColor (new Color (1, 0, 1));
            ib.Context.Rectangle (0, 0, 5, 5);
            ib.Context.Fill ();
            var img = ib.ToImage ();
            ctx.DrawImage (img, 90, 90);
            ctx.DrawImage (img, 90, 140, 50, 10);

            ctx.Arc (190, 190, 15, 0, 360);
            ctx.SetColor (new Color (1, 0, 1, 0.4));
            ctx.Fill ();

            ctx.Save ();
            ctx.Translate (90, 220);
            ctx.Pattern = new ImagePattern (img);
            ctx.Rectangle (0, 0, 100, 70);
            ctx.Fill ();
            ctx.Restore ();

            ctx.Translate (30, 30);
            double end = 270;

            for (double n = 0; n<=end; n += 5) {
                ctx.Save ();
                ctx.Rotate (n);
                ctx.MoveTo (0, 0);
                ctx.RelLineTo (30, 0);
                double c = n / end;
                ctx.SetColor (new Color (c, c, c));
                ctx.Stroke ();
                ctx.Restore ();
            }

            ctx.ResetTransform ();
        }