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XGraphicsPath.Widen(...) broken in latest stable and beta https://forum.pdfsharp.net/viewtopic.php?f=3&t=3286 |
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Author: | stefan.at.wpf [ Thu Feb 04, 2016 4:53 pm ] |
Post subject: | XGraphicsPath.Widen(...) broken in latest stable and beta |
For me the XGraphicsPath.Widen seems to be broken. Given this original path: Attachment: pdfsharp_original.jpg [ 11.56 KiB | Viewed 9025 times ] I tried with XGraphicsPath.Widen(...) on both, Pdfsharp 1.32.3057 as well as 1.50.4000-beta3b. Used code can be found at the end of this post. On Pdfsharp 1.32.3057 the result looks as follows: Attachment: pdfsharp_stable.jpg [ 33.99 KiB | Viewed 9025 times ] On Pdfsharp 1.50.4000-beta3b the widen method seems to do nothing, the result looks as follows: Here is the code I used: Code: private XPoint cmPoint(double x, double y) { return new XPoint( XUnit.FromCentimeter(x), XUnit.FromCentimeter(y) ); } private XGraphicsPath getMyPath2() { XGraphicsPath path = new XGraphicsPath(); path.AddLine(cmPoint(0, 0), cmPoint(5, 2)); path.AddLine(cmPoint(5, 2), cmPoint(10, 0)); path.AddLine(cmPoint(10, 0), cmPoint(10, 10)); path.AddLine(cmPoint(10, 10), cmPoint(0, 10)); path.CloseFigure(); return path; } private void button3_Click(object sender, RoutedEventArgs e) { // Create a temporary file string filename = String.Format("{0}_tempfile.pdf", Guid.NewGuid().ToString("D").ToUpper()); XPen penBlack = new XPen(XColors.Black, 1); XPen penRed = new XPen(XColors.Red, 1); PdfDocument pdfDocument = new PdfDocument(); PdfPage page = pdfDocument.AddPage(); page.Size = PdfSharp.PageSize.A1; XGraphics gfx = XGraphics.FromPdfPage(page); //give us some space to the left and top gfx.TranslateTransform(XUnit.FromCentimeter(3), XUnit.FromCentimeter(3)); XGraphicsPath path = getMyPath2(); gfx.DrawPath(penBlack, path); path.Widen(new XPen(XColors.Red, XUnit.FromCentimeter(1))); gfx.DrawPath(penRed, path); // Save the pdfDocument... pdfDocument.Save(filename); // ...and start a viewer Process.Start(filename); } Expected result: The result of Pdfsharp 1.32.3057, but without these weird triangles. |
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