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 (); }
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(PluginType.GetColor()); ctx.SetLineDash(0, 4d, 4d); ctx.Rectangle(0, 0, PluginWidget.Size.Width, PluginWidget.Size.Height); ctx.Stroke(); }
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 (); } }
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(); } }
private void DrawImageSized(PageImage pi, Xwt.Drawing.Image im, Xwt.Drawing.Context g, Xwt.Rectangle r) { double height, width; // some work variables StyleInfo si = pi.SI; Xwt.Rectangle r2 = new Xwt.Rectangle(r.X + PixelsX(si.PaddingLeft), r.Y + PixelsY(si.PaddingTop), r.Width - PixelsX(si.PaddingLeft + si.PaddingRight), r.Height - PixelsY(si.PaddingTop + si.PaddingBottom)); Xwt.Rectangle ir; // int work rectangle switch (pi.Sizing) { case ImageSizingEnum.AutoSize: float imwidth = PixelsX( (float)im.Size.Width); float imheight = PixelsX( (float)im.Size.Height); ir = new Xwt.Rectangle(Convert.ToInt32(r2.X), Convert.ToInt32(r2.Y), imwidth, imheight); im.Scale((int)r2.Width, (int)r2.Height); g.DrawImage(im, ir); break; case ImageSizingEnum.Clip: g.Save(); g.Rectangle(r2); g.Clip(); ir = new Xwt.Rectangle(Convert.ToInt32(r2.X), Convert.ToInt32(r2.Y), im.Size.Width, im.Size.Height); g.DrawImage(im, ir); g.Restore(); break; case ImageSizingEnum.FitProportional: double ratioIm = (float)im.Size.Height / (float)im.Size.Width; double ratioR = r2.Height / r2.Width; height = r2.Height; width = r2.Width; if (ratioIm > ratioR) { // this means the rectangle width must be corrected width = height * (1 / ratioIm); } else if (ratioIm < ratioR) { // this means the ractangle height must be corrected height = width * ratioIm; } r2 = new Xwt.Rectangle(r2.X, r2.Y, width, height); g.DrawImage(im, r2); break; case ImageSizingEnum.Fit: default: g.DrawImage(im, r2); break; } }
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) { ctx.SetColor(bg); ctx.Rectangle(dirtyRect); ctx.Fill(); }
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) { //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(); }
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(); //} }