public class PdfProjectExporter { public void ExportToFile(string path, string title, DxfModel model) { if (File.Exists(path)) File.Delete(path); FileStream s = File.Exists(path) ? new FileStream(path, FileMode.Truncate) : new FileStream(path, FileMode.CreateNew); WW.Cad.IO.PdfExporter exporter = new WW.Cad.IO.PdfExporter(s); exporter.Title = title; // Consider paperspace DxfLayout dxf = null; IEnumerable<DxfLayout> layouts = model.Layouts.Where(f => f.PaperSpace & f.Entities.Count > 0); // Take first layout in paperspace if (layouts.Count() > 0) { dxf = layouts.First(); } // Prendo le dimensioni del modello BoundsCalculator boundscalc = new BoundsCalculator(); if (dxf != null) boundscalc.GetBounds(dxf.Model, dxf); else boundscalc.GetBounds(model); // If I have no paperspace layout pick the model if (dxf == null) dxf = model.Layouts.Where(f => f.Name == "Model").First(); Bounds3D bounds = boundscalc.Bounds; // Size/ratio of pdf = size/ration of model PaperSize ps = new PaperSize(title, (int)Math.Round(bounds.Delta.X), (int)Math.Round(bounds.Delta.Y)); //PaperSizes.GetPaperSize(PaperKind.A4Rotated); float margin = 0;// 50f; float pageWidth = ps.Width / 100f; float pageHeight = ps.Height / 100f; // Scale and transform such that its fits max width/height // and the top middle of the cad drawing will match the // top middle of the pdf page. // The transform transforms to pdf pixels. double scaling; Matrix4D to2DTransform = DxfUtil.GetScaleTransform( bounds.Corner1, bounds.Corner2, new Point3D(bounds.Center.X, bounds.Center.Y, 0d), new Point3D(new Vector3D(margin, margin, 0d) * PdfExporter.InchToPixel), new Point3D(new Vector3D(pageWidth - margin, pageHeight - margin, 0d) * PdfExporter.InchToPixel), new Point3D(new Vector3D(pageWidth / 2d, pageHeight / 2d, 0d) * PdfExporter.InchToPixel), out scaling); var config = GraphicsConfig.WhiteBackground.Clone() as GraphicsConfig; config.FixedForegroundColor = System.Drawing.Color.Black; exporter.DrawPage(model, config, to2DTransform, scaling, null, null, ps); s.Flush(); exporter.EndDocument(); } }

//PaperSizes.GetPaperSize(PaperKind.A4Rotated);