protected override void OnDraw(Xwt.Drawing.Context ctx, Xwt.Rectangle dirtyRect) { ctx.Rectangle(dirtyRect); ctx.SetColor(Colors.White); ctx.Fill(); this.Buttons.ForEach(X => DrawGradientButton(ctx, X)); }
protected override void OnDraw(Xwt.Drawing.Context ctx, Rectangle dirtyRect) { base.OnDraw(ctx, dirtyRect); ctx.SetColor(Colors.DarkGray); ctx.SetLineWidth(1); ctx.MoveTo(0, 0); ctx.LineTo(0, Bounds.Height); ctx.Stroke(); }
public virtual void Rotate(Xwt.Drawing.Context ctx, double x, double y) { ctx.Save (); ctx.Translate (x + 30, y + 30); ctx.SetLineWidth (3); // Rotation double end = 270; double r = 30; for (double n = 0; n<=end; n += 5) { ctx.Save (); ctx.Rotate (n); ctx.MoveTo (0, 0); ctx.RelLineTo (r, 0); double c = n / end; ctx.SetColor (new Color (c, c, c)); ctx.Stroke (); // Visual test for TransformPoints Point p0 = new Point (0,0); Point p1 = new Point (0, -r); Point[] p = new Point[] {p0, p1}; ctx.TransformPoints (p); ctx.ResetTransform (); ctx.Translate (2 * r + 1, 0); ctx.MoveTo (p[0]); ctx.LineTo (p[1]); c = 1-c; ctx.SetColor (new Color (c, c, c)); ctx.Stroke(); ctx.Restore (); } ctx.Restore (); }
protected override void OnDraw(Xwt.Drawing.Context ctx, Rectangle dirtyRect) { base.OnDraw(ctx, dirtyRect); if (HasBorder) { ctx.SetColor(PluginType.GetColor()); ctx.SetLineWidth(1); if (HasBorderLineDash) ctx.SetLineDash(0, 4d, 4d); ctx.Rectangle(0, 0, WidthRequest, HeightRequest); ctx.Stroke(); } }
protected override void OnDraw(Xwt.Drawing.Context ctx) { base.OnDraw (ctx); 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 (); } }
public virtual void Rotate(Xwt.Drawing.Context ctx, double x, double y) { // draws a line along the x-axis from (0,0) to (r,0) with a constant translation and an increasing // rotational component. This composite transform is then applied to a vertical line, with inverse // color, and an additional x-offset, to form a mirror image figure for easy visual comparison. // These transformed points must be drawn with the identity CTM, hence the Restore() each time. ctx.Save (); // save caller's context (assumed to be the Identity CTM) ctx.SetLineWidth (3); // should align exactly if drawn with half-pixel coordinates // Vector length (pixels) and rotation limit (degrees) double r = 30; double end = 270; for (double n = 0; n<=end; n += 5) { ctx.Save (); // save context and identity CTM for each line // Set up translation to centre point of first figure, ensuring pixel alignment ctx.Translate (x + 30.5, y + 30.5); ctx.Rotate (n); ctx.MoveTo (0, 0); ctx.RelLineTo (r, 0); double c = n / end; ctx.SetColor (new Color (c, c, c)); ctx.Stroke (); // stroke first figure with composite Translation and Rotation CTM // Generate mirror image figure as a visual test of TransformPoints Point p0 = new Point (0,0); Point p1 = new Point (0, -r); Point[] p = new Point[] {p0, p1}; ctx.TransformPoints (p); // using composite transformation ctx.Restore (); // restore identity CTM ctx.Save (); // save again (to restore after additional Translation) ctx.Translate (2 * r + 1, 0); // extra x-offset to clear first figure ctx.MoveTo (p[0]); ctx.LineTo (p[1]); c = 1-c; ctx.SetColor (new Color (c, c, c)); ctx.Stroke(); // stroke transformed points with offset in CTM ctx.Restore (); // restore identity CTM for next line } ctx.Restore (); // restore caller's context }
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 (); } }
public virtual void Texts(Xwt.Drawing.Context ctx, double x, double y) { ctx.Save (); ctx.Translate (x, y); ctx.SetColor (Colors.Black); var col1 = new Rectangle (); var col2 = new Rectangle (); var text = new TextLayout (); text.Font = this.Font.WithSize (24); Console.WriteLine (text.Font.Size); // first text text.Text = "Lorem ipsum dolor sit amet,"; var size1 = text.GetSize (); col1.Width = size1.Width; col1.Height += size1.Height + 10; ctx.DrawTextLayout (text, 0, 0); // proofing width; test should align with text above ctx.SetColor (Colors.DarkMagenta); text.Text = "consetetur sadipscing elitr, sed diam nonumy"; text.Width = col1.Width; var size2 = text.GetSize (); ctx.DrawTextLayout (text, 0, col1.Bottom); col1.Height += size2.Height + 10; ctx.SetColor (Colors.Black); // proofing scale, on second col ctx.Save (); ctx.SetColor (Colors.Red); col2.Left = col1.Right + 10; text.Text = "eirmod tempor invidunt ut."; var scale = 1.2; text.Width = text.Width / scale; var size3 = text.GetSize (); col2.Height = size3.Height * scale; col2.Width = size3.Width * scale + 5; ctx.Scale (scale, scale); ctx.DrawTextLayout (text, col2.Left / scale, col2.Top / scale); ctx.Restore (); // proofing heigth, on second col ctx.Save (); ctx.SetColor (Colors.DarkCyan); text.Text = "Praesent ac lacus nec dolor pulvinar feugiat a id elit."; var size4 = text.GetSize (); text.Height = size4.Height / 2; text.Trimming=TextTrimming.WordElipsis; ctx.DrawTextLayout (text, col2.Left, col2.Bottom + 5); ctx.SetLineWidth (1); ctx.SetColor (Colors.Blue); ctx.Rectangle (new Rectangle (col2.Left, col2.Bottom + 5, text.Width, text.Height)); ctx.Stroke(); ctx.Restore (); // drawing col line ctx.SetLineWidth (1); ctx.SetColor (Colors.Black.WithAlpha (.5)); ctx.MoveTo (col1.Right + 5, col1.Top); ctx.LineTo (col1.Right + 5, col1.Bottom); ctx.Stroke (); ctx.MoveTo (col2.Right + 5, col2.Top); ctx.LineTo (col2.Right + 5, col2.Bottom); ctx.Stroke (); ctx.SetColor (Colors.Black); // proofing rotate, and printing size to see the values ctx.Save (); text.Font = this.Font.WithSize (10); text.Text = string.Format ("Size 1 {0}\r\nSize 2 {1}\r\nSize 3 {2} Scale {3}", size1, size2, size3, scale); text.Width = -1; // this clears textsize text.Height = -1; ctx.Rotate (5); // maybe someone knows a formula with angle and textsize to calculyte ty var ty = 30; ctx.DrawTextLayout (text, ty, col1.Bottom + 10); ctx.Restore (); // scale example here: ctx.Restore (); TextLayout tl0 = new TextLayout (this); tl0.Font = this.Font.WithSize (10); tl0.Text = "This text contains attributes."; tl0.SetUnderline ( 0, "This".Length); tl0.SetForeground (new Color (0, 1.0, 1.0), "This ".Length, "text".Length); tl0.SetBackground (new Color (0, 0, 0), "This ".Length, "text".Length); tl0.SetFontWeight (FontWeight.Bold, "This text ".Length, "contains".Length); tl0.SetFontStyle (FontStyle.Italic, "This text ".Length, "contains".Length); tl0.SetStrikethrough ("This text contains ".Length, "attributes".Length); ctx.SetColor(Colors.DarkGreen); ctx.DrawTextLayout (tl0, col2.Left, col2.Bottom + 100); // Text boces y = 180; // Without wrapping TextLayout tl = new TextLayout (this); tl.Text = "Stright text"; DrawText (ctx, tl, ref y); // With wrapping tl = new TextLayout (this); tl.Text = "The quick brown fox jumps over the lazy dog"; tl.Width = 100; DrawText (ctx, tl, ref y); // With blank lines tl = new TextLayout (this); tl.Text = "\nEmpty line above\nLine break above\n\nEmpty line above\n\n\nTwo empty lines above\nEmpty line below\n"; tl.Width = 200; DrawText (ctx, tl, ref y); }
protected override void OnDraw(Xwt.Drawing.Context ctx, Rectangle dirtyRect) { if (!Sensitive) { ctx.GlobalAlpha = .5d; } if (image == null) { ctx.SetColor(bg); ctx.Rectangle(dirtyRect); ctx.Fill(); } else ctx.DrawImage(image, new Rectangle(0, 0, WidthRequest, HeightRequest)); if (mOver && Sensitive) { ctx.SetColor(mOverColor); ctx.Rectangle(dirtyRect); ctx.Fill(); } if (mDown) { ctx.SetColor(mOverColor); ctx.Rectangle(dirtyRect); ctx.Fill(); } //ctx.SetColor(Colors.Red); //ctx.Rectangle(0, 0, WidthRequest, HeightRequest); //ctx.Stroke(); }
protected override void OnDraw(Xwt.Drawing.Context ctx, Rectangle dirtyRect) { var w = System.Diagnostics.Stopwatch.StartNew(); base.OnDraw(ctx, dirtyRect); // char size var charSize = new TextLayout(this) { Text = "X", Font = font }.GetSize(); double charWidth = CharWidth = charSize.Width; double charHeight = CharHeight = charSize.Height; // scroll bars updateScrollBars(); // calculations int start = Math.Max(0, (int)(Source.ViewOffset.Y / charHeight)); int end = Math.Min(Source.Count, (int)((Source.ViewOffset.Y + Size.Height) / charHeight)); double lineNrWidth = ((int)Math.Log10(Source.Count) + 2) * CharWidth; TextXOffset = lineNrWidth - Source.ViewOffset.X; // selection Range selection = Source.Selection; bool hasSelection = !selection.IsEmpty; bool isRectSelection = selection.Type == SelectionType.Rectangular; // text for (int i = start; i < end; i++) { Line line = Source[i]; string text = line.GetString(); if (hasSelection) { if (i >= selection.Start.Y && i <= selection.End.Y) { ctx.SetColor(Colors.LightSkyBlue); if (isRectSelection) { ctx.Rectangle(selection.Start.X * charWidth + lineNrWidth - Source.ViewOffset.X, (i * charHeight) - Source.ViewOffset.Y, Math.Abs(selection.End.X - selection.Start.X) * charWidth, charHeight); ctx.Fill(); } else { if (selection.Start.Y == selection.End.Y) { ctx.Rectangle(selection.Start.X * charWidth + TextXOffset, (i * charHeight) - Source.ViewOffset.Y, (selection.End.X - selection.Start.X) * charWidth + 2, charHeight); } else { if (i == selection.Start.Y) ctx.Rectangle(selection.Start.X * charWidth + TextXOffset, (i * charHeight) - Source.ViewOffset.Y, (Source[i].Count - selection.Start.X) * charWidth + 2, charHeight); else if (i == selection.End.Y) ctx.Rectangle(TextXOffset, (i * charHeight) - Source.ViewOffset.Y, selection.End.X * charWidth + 2, charHeight); else ctx.Rectangle(TextXOffset, (i * charHeight) - Source.ViewOffset.Y, Source[i].Count * charWidth + 2, charHeight); ctx.Fill(); } } } } //ctx.SetColor(Colors.Black); //var layout = new TextLayout(this) //{ // Text = text, // Font = font, //}; //ctx.DrawTextLayout(layout, -Source.ViewOffset.X + lineNrWidth, (i * charHeight) - Source.ViewOffset.Y); } for (int ic = 0; ic < colors.Length; ic++) { ctx.SetColor(colors[ic]); CharpStyle style = (CharpStyle)ic; StringBuilder builder = new StringBuilder(1024); bool draw = false; for (int y = start; y < end; y++) { Line line = Source[y]; for (int x = 0; x < line.Count; x++) { char c = line[x].Char; if (c != ' ' && (line[x].Style & CharpStyle.ColorAll) == style) { if (c == '\t') builder.Append(' '); else { builder.Append(line[x].Char); draw = true; } } else builder.Append(' '); } builder.AppendLine(" "); } TextLayout layout = new TextLayout(this) { Text = builder.ToString(), Font = font, }; if (draw) ctx.DrawTextLayout(layout, TextXOffset, 0); } // line left ctx.SetColor(Colors.LightGray); ctx.Rectangle(0, 0, lineNrWidth, Size.Height); ctx.Fill(); // line numbers, markers for (int i = start; i < end; i++) { ctx.SetColor(Colors.Black); ctx.DrawTextLayout(new TextLayout(this) { Text = (i + 1).ToString(), Font = font }, 0, (i * charHeight) - Source.ViewOffset.Y); if ((Source[i].LineStyle & LineStyle.Unsaved) == LineStyle.Unsaved) { ctx.SetColor(Colors.Red); ctx.Rectangle(TextXOffset - charWidth / 2 - 1, (i * charHeight) - Source.ViewOffset.Y, 2, charHeight); ctx.Fill(); } } // caret Loc caret = Source.GetSanitizedLoc(Source.CaretPosition); ctx.Rectangle((int)(charWidth * caret.X - Source.ViewOffset.X + lineNrWidth), (int)(charHeight * caret.Y - Source.ViewOffset.Y), 2, charHeight); ctx.SetColor(Colors.Red); ctx.Fill(); // stopwatch w.Stop(); //Console.WriteLine("Drawing: " + w.Elapsed.TotalMilliseconds); }
protected override void OnDraw(Xwt.Drawing.Context ctx, Rectangle dirtyRect) { //bg ctx.SetColor(installed ? BgColorInstalled : BgColorUninstalled); //ctx.SetColor(Colors.White); ctx.Rectangle(dirtyRect); ctx.Fill(); //border ctx.SetColor(installed ? BorderColorInstalled : BorderColorUninstalled); ctx.SetLineWidth(1); ctx.Rectangle(0, 0, WidthRequest, HeightRequest); ctx.Stroke(); }
private void DrawLine(Xwt.Drawing.Color c, BorderStyleEnum bs, float w, Xwt.Drawing.Context g, double x, double y, double x2, double y2) { if (bs == BorderStyleEnum.None //|| c.IsEmpty || w <= 0) // nothing to draw return; g.Save(); // Pen p = null; // p = new Pen(c, w); g.SetColor(c); g.SetLineWidth(w); switch (bs) { case BorderStyleEnum.Dashed: // p.DashStyle = DashStyle.Dash; g.SetLineDash(0.0, new double[] { 2, 1 }); break; case BorderStyleEnum.Dotted: // p.DashStyle = DashStyle.Dot; g.SetLineDash(0.0, new double[] { 1 }); break; case BorderStyleEnum.Double: case BorderStyleEnum.Groove: case BorderStyleEnum.Inset: case BorderStyleEnum.Solid: case BorderStyleEnum.Outset: case BorderStyleEnum.Ridge: case BorderStyleEnum.WindowInset: default: g.SetLineDash(0.0, new double[] { }); break; } g.MoveTo(x, y); g.LineTo(x2, y2); g.Stroke(); g.Restore(); }
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 (); }
protected override void OnDraw (Xwt.Drawing.Context ctx, Rectangle dirtyRect) { if (Bounds.IsEmpty) return; ctx.Rectangle (0, 0, Bounds.Width, Bounds.Height); Gradient g = null; if (Linear) g = new LinearGradient (xStart, 0, xEnd, Bounds.Height); else g = new RadialGradient (Bounds.Width / 2, Bounds.Height / 2, Bounds.Width / 2, Bounds.Width / 2, Bounds.Height / 2, xStart/4 + Bounds.Width / 8); g.AddColorStop (0, stop1); g.AddColorStop (1, stop2); ctx.Pattern = g; ctx.Fill (); Rectangle r = rect.Inflate (5, 5); ctx.Rectangle (r); ctx.SetColor (new Color (0,0,1)); ctx.SetLineWidth (1); ctx.Stroke (); }
protected override void OnDraw(Xwt.Drawing.Context ctx, Rectangle dirtyRect) { ctx.Rectangle (0, 0, Bounds.Width, Bounds.Height); var g = new LinearGradient (0, 0, Bounds.Width, Bounds.Height); g.AddColorStop (0, new Color (1, 0, 0)); g.AddColorStop (1, new Color (0, 1, 0)); ctx.Pattern = g; ctx.Fill (); Rectangle r = rect.Inflate (5, 5); ctx.Rectangle (r); ctx.SetColor (new Color (0,0,1)); ctx.SetLineWidth (1); ctx.Stroke (); }
void DrawGradientButton(Xwt.Drawing.Context G, GradientButton B) { DrawingPath P = new DrawingPath(); P.Rectangle(new Xwt.Rectangle(B.Position, B.Size)); LinearGradient gr; G.AppendPath(P); Pattern pat = gr = new LinearGradient(B.Position.X, B.Position.Y, B.Position.X + B.Size.Width, B.Position.Y + B.Size.Height); gr.AddColorStop(0, B.Color.BlendWith(Colors.White, 0.8)); gr.AddColorStop(0.5, B.Color); gr.AddColorStop(1, B.Color.BlendWith(Colors.White, 0.8)); G.Pattern = pat; G.Fill(); G.AppendPath(P); G.SetColor(Xwt.Drawing.Colors.Black); G.SetLineWidth(1); G.Stroke(); TextLayout L = new TextLayout() { Font = B.Font, Text = B.Text }; Size TextSize = new Size(0.6 * L.Font.Size * L.Text.Count(), L.Font.Size); G.DrawTextLayout(L, new Xwt.Point(B.Position.X + B.Size.Width / 2 - TextSize.Width / 2, B.Position.Y + B.Size.Height / 2 - TextSize.Height / 2)); }
protected override void OnDraw(Xwt.Drawing.Context ctx, Rectangle dirtyRect) { ctx.SetColor(bg); ctx.Rectangle(dirtyRect); ctx.Fill(); }
private void DrawString(PageText pt, Xwt.Drawing.Context g, Xwt.Rectangle r) { StyleInfo si = pt.SI; string s = pt.Text; g.Save(); layout = new Xwt.Drawing.TextLayout(g); layout.Font = g.Font; float fontsize = (si.FontSize * 72 / 96); layout.Font.WithFamily(si.GetFontFamily().Name); layout.Font.WithPixelSize(fontsize * PixelsX(1)); if (si.FontStyle == FontStyleEnum.Italic) layout.Font.WithStyle(Xwt.Drawing.FontStyle.Italic); switch (si.FontWeight) { case FontWeightEnum.Bold: case FontWeightEnum.Bolder: case FontWeightEnum.W500: case FontWeightEnum.W600: case FontWeightEnum.W700: case FontWeightEnum.W800: case FontWeightEnum.W900: layout.Font.WithWeight(Xwt.Drawing.FontWeight.Bold); break; } // TODO: Fix Alignment //switch (si.TextAlign) //{ // case TextAlignEnum.Right: // layout.Alignment = Pango.Alignment.Right; // break; // case TextAlignEnum.Center: // layout.Alignment = Pango.Alignment.Center; // break; // case TextAlignEnum.Left: // default: // layout.Alignment = Pango.Alignment.Left; // break; //} // TODO: Fix with //layout.Width = Pango.Units.FromPixels((int)(r.Width - si.PaddingLeft - si.PaddingRight - 2)); layout.Text = s; //Xwt.Rectangle logical; // Xwt.Rectangle ink; // TODO: Fix //layout.GetExtents(out ink, out logical); double height = 12; // logical.Height / Pango.Scale.PangoScale; double y = 0; switch (si.VerticalAlign) { case VerticalAlignEnum.Top: y = r.Y + si.PaddingTop; break; case VerticalAlignEnum.Middle: y = r.Y + (r.Height - height) / 2; break; case VerticalAlignEnum.Bottom: y = r.Y + (r.Height - height) - si.PaddingBottom; break; } // draw the background DrawBackground(g, r, si); Xwt.Rectangle box = new Xwt.Rectangle( r.X + si.PaddingLeft + 1, y, r.Width, r.Height); Xwt.Drawing.Color sicolor = XwtColor.SystemColorToXwtColor(si.Color); g.SetColor(sicolor); g.MoveTo(box.X, box.Y); g.DrawTextLayout(layout, box.X, box.Y); g.Restore(); }
protected override void OnDraw(Xwt.Drawing.Context ctx, Rectangle dirtyRect) { //bg //ctx.SetColor(installed ? BgColorInstalled : BgColorUninstalled); //ctx.SetColor(Disabled ? Colors.Gray.WithAlpha(.15) : (installed ? PluginType.GetBGColor() : Colors.White)); ctx.SetColor(installed ? PluginType.GetBGColor() : Colors.White); //ctx.SetColor(Colors.White); ctx.Rectangle(dirtyRect); ctx.Fill(); //border //ctx.SetColor(installed ? BorderColorInstalled : BorderColorUninstalled); //ctx.SetColor(installed ? PluginType.GetColor() : Colors.White); // Color.FromBytes(220, 220, 220)); ctx.SetColor(SettingsActive ? Colors.Gray : PluginType.GetColor()); ctx.SetLineWidth(1); if (!installed) ctx.SetLineDash(0, 1, 3); ctx.Rectangle(0, 0, WidthRequest, HeightRequest); ctx.Stroke(); //if (Disabled) //{ // ctx.SetColor(new Color(1, .5, 0, .1)); // ctx.Rectangle(dirtyRect); // ctx.Fill(); //} }