} // End Sub CropPdf2 static void CropPdf3(double page_width, double page_height) { string fn = @"D:\username\Desktop\0001 Altstetten - GB01 H602 - OG14.pdf"; // fn = @"D:\username\Desktop\0030 Sentimatt - GB01 Sentimatt - EG00.pdf"; fn = @"D:\username\Desktop\Altstetten_1_50.pdf"; // The current implementation of PDFsharp has only one layout of the graphics context. // The origin(0, 0) is top left and coordinates grow right and down. // The unit of measure is always point (1 / 72 inch). // 1 pt = 0,0352778 cm // 1 pt = 0,352778 mm // 1 inch = 2,54 cm // 1/72 inch to cm = 0,035277777777777776 cm // A0: // w: 2384 pt = 84,10222 cm // h: 3370 pt = 118,8861 cm // A3: // w: 842 pt = 29,7039 cm // h: 1191 pt = 42,01583 cm // A4: // 595 pt to cm = 20,9903 w // 842 pt to cm = 29,7039 h // A0 page_width = 2384; page_height = 3370; // A3 page_width = 842; page_height = 1191; // A4 page_width = 595; page_height = 842; PdfMargin margin = new PdfMargin(mm2pt(10)); // 1cm in pt double crop_width = page_width - margin.Left - margin.Right; double crop_height = page_height - margin.Top - margin.Bottom; using (PdfSharp.Drawing.XPdfForm sourceForm = PdfSharp.Drawing.XPdfForm.FromFile(fn)) { sourceForm.PageNumber = 1; int numHori = (int)System.Math.Ceiling(sourceForm.Page.Width.Point / crop_width); int numVerti = (int)System.Math.Ceiling(sourceForm.Page.Height.Point / crop_height); PdfSharp.Drawing.XRect pageDimenstions = new PdfSharp.Drawing.XRect(0, 0, sourceForm.Page.Width, sourceForm.Page.Height); using (PdfSharp.Pdf.PdfDocument destDocument = new PdfSharp.Pdf.PdfDocument()) { for (int iverti = 0; iverti < numVerti; iverti++) { for (int ihori = 0; ihori < numHori; ihori++) { PdfSharp.Pdf.PdfPage destPage = destDocument.AddPage(); destPage.Width = crop_width; destPage.Height = crop_height; PdfSharp.Drawing.XRect cropRect = new PdfSharp.Drawing.XRect(ihori * crop_width, iverti * crop_height, sourceForm.Page.Width, sourceForm.Page.Height); using (PdfSharp.Drawing.XGraphics destGFX = PdfSharp.Drawing.XGraphics.FromPdfPage(destPage)) { destGFX.DrawImageCropped(sourceForm, cropRect, pageDimenstions, PdfSharp.Drawing.XGraphicsUnit.Point); } // End Using destGFX } // ihori } // iverti // destDocument.Save("chopped.pdf"); using (System.IO.MemoryStream ms = new System.IO.MemoryStream()) { destDocument.Save(ms); ms.Position = 0; using (PdfSharp.Drawing.XPdfForm croppedImages = PdfSharp.Drawing.XPdfForm.FromStream(ms)) { using (PdfSharp.Pdf.PdfDocument finalDestination = new PdfSharp.Pdf.PdfDocument()) { PdfSharp.Drawing.XFont font = new PdfSharp.Drawing.XFont("Arial", 8); for (int i = 0; i < croppedImages.PageCount; ++i) { PdfSharp.Pdf.PdfPage targetPage = finalDestination.AddPage(); targetPage.Width = page_width; targetPage.Height = page_height; PdfSharp.Drawing.XRect pageSize = new PdfSharp.Drawing.XRect(0, 0, targetPage.Width, targetPage.Height); try { croppedImages.PageIndex = i; using (PdfSharp.Drawing.XGraphics targetGFX = PdfSharp.Drawing.XGraphics.FromPdfPage(targetPage)) { #if DEBUG_ME targetGFX.DrawRectangle(XBrushes.Honeydew, pageSize); #endif PdfSharp.Drawing.XRect targetRect = new PdfSharp.Drawing.XRect(margin.Left, margin.Top, crop_width, crop_height); targetGFX.DrawImage(croppedImages, targetRect, targetRect, PdfSharp.Drawing.XGraphicsUnit.Point); DrawBorder(targetGFX, targetPage.Width.Point, targetPage.Height.Point, margin); DrawCrosshairs(targetGFX, targetPage.Width.Point, targetPage.Height.Point, margin); // int numHori = (int)System.Math.Ceiling(sourceForm.Page.Width / crop_width); // int numVerti = (int)System.Math.Ceiling(sourceForm.Page.Height / crop_height); int col = i % numHori; int row = i / numHori; // targetGFX.DrawString($"Column {col + 1}/{numHori} Row {row + 1}/{numVerti}, Page {i + 1}/{croppedImages.PageCount}", font, PdfSharp.Drawing.XBrushes.Black, margin.Left + 5, targetPage.Height.Point - margin.Bottom + font.Size + 5); targetGFX.DrawString($"Spalte {col + 1}/{numHori} Zeile {row + 1}/{numVerti}, Seite {i + 1}/{croppedImages.PageCount}", font, PdfSharp.Drawing.XBrushes.Black, margin.Left + 5, targetPage.Height.Point - margin.Bottom + font.Size + 5); } // End using targetGFX } catch (System.Exception ex) { System.Console.WriteLine(croppedImages.PageIndex); System.Console.WriteLine(ex.Message); } } // Next i finalDestination.Save("CropPdf3.pdf"); } // End Using finalDestination } // End Using croppedImages } // End Using ms } // End Using destDocument } // End Using sourceForm } // End Sub CropPdf3
public static void DrawCrossBottomRight(PdfSharp.Drawing.XGraphics gfx, double width, double height, PdfMargin margin, double halfPenWidth, PdfSharp.Drawing.XPen[] pens) { double x1 = width - margin.Right; double y1 = height - margin.Bottom + halfPenWidth; double x2 = width; double y2 = height - margin.Bottom + halfPenWidth; gfx.DrawLine(pens[0], x1, y1, x2, y2); // Horizontal - Yellow x1 = width - margin.Right + halfPenWidth; y1 = height - margin.Bottom; x2 = width - margin.Right + halfPenWidth; y2 = height; gfx.DrawLine(pens[1], x1, y1, x2, y2); // Vertical - red }
public static void DrawCrosshairs(PdfSharp.Drawing.XGraphics gfx, double width, double height, PdfMargin margin) { PdfSharp.Drawing.XPen[] pens = new PdfSharp.Drawing.XPen[] { PdfSharp.Drawing.XPens.Black, PdfSharp.Drawing.XPens.Black }; // pens = new PdfSharp.Drawing.XPen[] { PdfSharp.Drawing.XPens.Yellow, PdfSharp.Drawing.XPens.Red }; double halfPenWidth = pens[0].Width / 2.0; DrawCrossTopLeft(gfx, width, height, margin, halfPenWidth, pens); DrawCrossTopRight(gfx, width, height, margin, halfPenWidth, pens); DrawCrossBottomLeft(gfx, width, height, margin, halfPenWidth, pens); DrawCrossBottomRight(gfx, width, height, margin, halfPenWidth, pens); }
public static void DrawCrossTopLeft(PdfSharp.Drawing.XGraphics gfx, double width, double height, PdfMargin margin, double halfPenWidth, PdfSharp.Drawing.XPen[] pens) { double x1 = 0; double y1 = margin.Top - halfPenWidth; double x2 = margin.Left; double y2 = margin.Top - halfPenWidth; gfx.DrawLine(pens[0], x1, y1, x2, y2); // Horizontal - Yellow x1 = margin.Left - halfPenWidth; y1 = 0; x2 = margin.Left - halfPenWidth; y2 = margin.Top; gfx.DrawLine(pens[1], x1, y1, x2, y2); // Vertical - Red }
public static void DrawBorder(PdfSharp.Drawing.XGraphics gfx, double width, double height, PdfMargin margin) { PdfSharp.Drawing.XPen[] pens = new PdfSharp.Drawing.XPen[] { PdfSharp.Drawing.XPens.Black, PdfSharp.Drawing.XPens.Black, PdfSharp.Drawing.XPens.Black, PdfSharp.Drawing.XPens.Black }; // pens = new PdfSharp.Drawing.XPen[] { PdfSharp.Drawing.XPens.Yellow, PdfSharp.Drawing.XPens.HotPink, PdfSharp.Drawing.XPens.Blue, PdfSharp.Drawing.XPens.Green }; double halfPenWidth = pens[0].Width / 2.0; double x1 = 0; double y1 = margin.Top - halfPenWidth; double x2 = width; double y2 = margin.Top - halfPenWidth; gfx.DrawLine(pens[0], x1, y1, x2, y2); // Horizontal Top - Yellow // y1 = height-pageMargin; x1 = 0; y1 = height - margin.Bottom + halfPenWidth; x2 = width; // 1/4 + 1/8 ()*0.5= 3/16 y2 = height - margin.Bottom + halfPenWidth; gfx.DrawLine(pens[1], x1, y1, x2, y2); // Horizontal Bottom - Hotpink x1 = margin.Left - halfPenWidth; y1 = 0; x2 = margin.Left - halfPenWidth; y2 = height; gfx.DrawLine(pens[2], x1, y1, x2, y2); // Vertical Left - Blue x1 = width - margin.Right + halfPenWidth; y1 = 0; x2 = width - margin.Right + halfPenWidth; y2 = height; gfx.DrawLine(pens[3], x1, y1, x2, y2); // Vertical Right - Green }