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); }