diff --git a/CustomFontResolver.cs b/CustomFontResolver.cs
new file mode 100644
index 0000000..5a94a64
--- /dev/null
+++ b/CustomFontResolver.cs
@@ -0,0 +1,77 @@
+using System;
+using System.IO;
+using PdfSharp.Drawing;
+using PdfSharp.Fonts;
+
+namespace spplus;
+
+///
+/// Custom font resolver for PdfSharp that loads fonts from the res/fonts directory.
+///
+public class CustomFontResolver : IFontResolver
+{
+ private static string? _fontPath;
+
+ public CustomFontResolver()
+ {
+ // Try to locate the fonts directory
+ var basePath = AppDomain.CurrentDomain.BaseDirectory;
+ var possiblePaths = new[]
+ {
+ Path.Combine(basePath, "res", "fonts"),
+ Path.Combine(basePath, "fonts"),
+ Path.Combine(Directory.GetCurrentDirectory(), "res", "fonts"),
+ Path.Combine(Directory.GetCurrentDirectory(), "fonts"),
+ };
+
+ foreach (var path in possiblePaths)
+ {
+ if (Directory.Exists(path))
+ {
+ _fontPath = path;
+ break;
+ }
+ }
+
+ if (_fontPath == null)
+ {
+ throw new DirectoryNotFoundException(
+ $"Font directory not found. Searched: {string.Join(", ", possiblePaths)}");
+ }
+ }
+
+ public FontResolverInfo ResolveTypeface(string familyName, bool isBold, bool isItalic)
+ {
+ // Map family name to font file
+ var fileName = familyName switch
+ {
+ "Cantarell" => isBold
+ ? isItalic ? "Cantarell-BoldItalic.ttf" : "Cantarell-Bold.ttf"
+ : isItalic ? "Cantarell-Italic.ttf" : "Cantarell-Regular.ttf",
+ _ => isBold
+ ? isItalic ? "Cantarell-BoldItalic.ttf" : "Cantarell-Bold.ttf"
+ : isItalic ? "Cantarell-Italic.ttf" : "Cantarell-Regular.ttf"
+ };
+
+ var fontPath = Path.Combine(_fontPath, fileName);
+
+ if (!File.Exists(fontPath))
+ {
+ throw new FileNotFoundException($"Font file not found: {fontPath}");
+ }
+
+ // Return a FontResolverInfo with the font path
+ return new FontResolverInfo(fontPath);
+ }
+
+ public byte[]? GetFont(string faceName)
+ {
+ // faceName is the path returned by ResolveTypeface
+ if (File.Exists(faceName))
+ {
+ return File.ReadAllBytes(faceName);
+ }
+
+ return null;
+ }
+}
diff --git a/PdfExportUtility.cs b/PdfExportUtility.cs
new file mode 100644
index 0000000..4c22356
--- /dev/null
+++ b/PdfExportUtility.cs
@@ -0,0 +1,521 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using PdfSharp;
+using PdfSharp.Drawing;
+using PdfSharp.Pdf;
+
+namespace spplus;
+
+public static class PdfExportUtility
+{
+ private const string FontFamily = "Cantarell";
+ private const double Margin = 36.0;
+ private const double FooterHeight = 28.0;
+ private static readonly XBrush FooterBrush = XBrushes.Gray;
+
+ public static void ExportGeneratedCourses(string filepath)
+ {
+ var document = new PdfDocument
+ {
+ Info =
+ {
+ Title = "spplus - generierte Kurse",
+ Author = "spplus",
+ Creator = "spplus"
+ }
+ };
+
+ var courses = CourseCrafter.GeneratedCourses
+ .OrderBy(course => course.Semester)
+ .ThenBy(course => course.Instance.Sport.Name)
+ .ToList();
+
+ if (courses.Count == 0)
+ {
+ RenderEmptyDocument(document);
+ document.Save(filepath);
+ return;
+ }
+
+ var studentsById = Settings.Instance.Students
+ .GroupBy(student => student.ID, StringComparer.OrdinalIgnoreCase)
+ .ToDictionary(group => group.Key, group => group.First(), StringComparer.OrdinalIgnoreCase);
+
+ foreach (var course in courses)
+ {
+ RenderCourse(document, course, studentsById);
+ }
+
+ RenderMissingStudentsReport(document, studentsById, courses);
+ document.Save(filepath);
+ }
+
+ private static void RenderMissingStudentsReport(
+ PdfDocument document,
+ IReadOnlyDictionary studentsById,
+ IReadOnlyList<(int Semester, CourseCrafter.CourseInstance Instance)> courses)
+ {
+ var assignedSemesters = studentsById.Values
+ .ToDictionary(student => student.ID, _ => new bool[4], StringComparer.OrdinalIgnoreCase);
+
+ foreach (var course in courses)
+ {
+ if (course.Semester < 1 || course.Semester > 4)
+ continue;
+
+ foreach (var studentId in course.Instance.Students)
+ {
+ if (assignedSemesters.TryGetValue(studentId, out var assignment))
+ assignment[course.Semester - 1] = true;
+ }
+ }
+
+ var missingStudents = studentsById.Values
+ .Where(student => assignedSemesters.TryGetValue(student.ID, out var assignment) && assignment.Any(a => !a))
+ .OrderBy(student => student.Name)
+ .ThenBy(student => student.ID)
+ .ToList();
+
+ var columns = new double[] { 30.0, 90.0, 190.0, 40.0, 40.0, 40.0, 40.0 };
+ var headerRow = new[] { "Nr.", "ID", "Name", "Sem1", "Sem2", "Sem3", "Sem4" };
+ int rowIndex = 0;
+ int pageIndex = 0;
+
+ while (rowIndex < missingStudents.Count || pageIndex == 0)
+ {
+ var page = document.AddPage();
+ ConfigurePage(page);
+
+ using var gfx = XGraphics.FromPdfPage(page);
+ var titleFont = new XFont(FontFamily, 18, XFontStyleEx.Bold);
+ var subtitleFont = new XFont(FontFamily, 10, XFontStyleEx.Regular);
+ var tableHeaderFont = new XFont(FontFamily, 9, XFontStyleEx.Bold);
+ var tableBodyFont = new XFont(FontFamily, 8.5, XFontStyleEx.Regular);
+
+ double pageWidth = page.Width.Point;
+ double pageHeight = page.Height.Point;
+ double contentWidth = pageWidth - (Margin * 2);
+ double contentBottom = pageHeight - Margin - FooterHeight;
+ double y = Margin;
+
+ var headerTitle = pageIndex == 0
+ ? "Nicht zugeordnete Schülerinnen und Schüler"
+ : "Fortsetzung: Nicht zugeordnete Schülerinnen und Schüler";
+
+ gfx.DrawString(headerTitle, titleFont, XBrushes.Black,
+ new XRect(Margin, y, contentWidth, 24), XStringFormats.TopLeft);
+ y += 26;
+
+ if (pageIndex == 0)
+ {
+ gfx.DrawString("Es werden nur Schülerinnen und Schüler aufgeführt, die in mindestens einem Semester keine Zuordnung erhalten haben.",
+ subtitleFont, XBrushes.Gray, new XRect(Margin, y, contentWidth, 20), XStringFormats.TopLeft);
+ y += 24;
+ }
+
+ if (missingStudents.Count == 0)
+ {
+ var bodyFont = new XFont(FontFamily, 11, XFontStyleEx.Regular);
+ gfx.DrawString("Alle Schülerinnen und Schüler sind in allen vier Semestern zugeordnet.", bodyFont, XBrushes.Black,
+ new XRect(Margin, y, contentWidth, 20), XStringFormats.TopLeft);
+ DrawFooter(gfx, page);
+ break;
+ }
+
+ y += DrawTableRow(gfx, y, columns, headerRow, tableHeaderFont, fillHeader: true);
+
+ while (rowIndex < missingStudents.Count)
+ {
+ var student = missingStudents[rowIndex];
+ var assignment = assignedSemesters[student.ID];
+ var row = BuildMissingStudentRow(rowIndex + 1, student, assignment);
+ double rowHeight = MeasureRowHeight(gfx, columns, row, tableBodyFont);
+
+ if (y + rowHeight > contentBottom)
+ break;
+
+ y += DrawTableRow(gfx, y, columns, row, tableBodyFont, fillHeader: false);
+ rowIndex++;
+ }
+
+ DrawFooter(gfx, page);
+ pageIndex++;
+
+ if (rowIndex >= missingStudents.Count)
+ break;
+ }
+ }
+
+ private static string[] BuildMissingStudentRow(int rowNumber, Student student, bool[] assignment)
+ {
+ return new[]
+ {
+ rowNumber.ToString(),
+ student.ID,
+ student.Name,
+ assignment[0] ? string.Empty : "X",
+ assignment[1] ? string.Empty : "X",
+ assignment[2] ? string.Empty : "X",
+ assignment[3] ? string.Empty : "X",
+ };
+ }
+
+ private static void RenderEmptyDocument(PdfDocument document)
+ {
+ var page = document.AddPage();
+ ConfigurePage(page);
+
+ using var gfx = XGraphics.FromPdfPage(page);
+ var titleFont = new XFont(FontFamily, 18, XFontStyleEx.Bold);
+ var bodyFont = new XFont(FontFamily, 11, XFontStyleEx.Regular);
+
+ gfx.DrawString("spplus", titleFont, XBrushes.Black,
+ new XRect(Margin, Margin, page.Width.Point - Margin * 2, 24), XStringFormats.TopLeft);
+ gfx.DrawString("Es wurden keine generierten Kurse gefunden.", bodyFont, XBrushes.Black,
+ new XRect(Margin, Margin + 34, page.Width.Point - Margin * 2, 24), XStringFormats.TopLeft);
+
+ DrawFooter(gfx, page);
+ }
+
+ private static void RenderCourse(
+ PdfDocument document,
+ (int Semester, CourseCrafter.CourseInstance Instance) course,
+ IReadOnlyDictionary studentsById)
+ {
+ var studentIds = course.Instance.Students.ToList();
+ int index = 0;
+ int pageIndex = 0;
+
+ do
+ {
+ var page = document.AddPage();
+ ConfigurePage(page);
+
+ using var gfx = XGraphics.FromPdfPage(page);
+ var titleFont = new XFont(FontFamily, 18, XFontStyleEx.Bold);
+ var subtitleFont = new XFont(FontFamily, 10, XFontStyleEx.Regular);
+ var labelFont = new XFont(FontFamily, 9, XFontStyleEx.Bold);
+ var valueFont = new XFont(FontFamily, 9, XFontStyleEx.Regular);
+ var tableHeaderFont = new XFont(FontFamily, 9, XFontStyleEx.Bold);
+ var tableBodyFont = new XFont(FontFamily, 8.5, XFontStyleEx.Regular);
+
+ double pageWidth = page.Width.Point;
+ double pageHeight = page.Height.Point;
+ double contentWidth = pageWidth - (Margin * 2);
+ double contentBottom = pageHeight - Margin - FooterHeight;
+ double y = Margin;
+
+ var headerTitle = $"Sem. {course.Semester} - {course.Instance.Sport.Name}";
+ if (pageIndex > 0)
+ headerTitle += " (Fortsetzung)";
+
+ gfx.DrawString(headerTitle, titleFont, XBrushes.Black,
+ new XRect(Margin, y, contentWidth, 24), XStringFormats.TopLeft);
+ y += 26;
+
+ gfx.DrawString($"{course.Instance.Students.Count} Schülerinnen und Schüler", subtitleFont,
+ XBrushes.Gray, new XRect(Margin, y, contentWidth, 18), XStringFormats.TopLeft);
+ y += 24;
+
+ y = DrawInfoRows(gfx, y, contentWidth, labelFont, valueFont, course);
+ y += 10;
+
+ var columns = GetTableColumns(contentWidth);
+ var headerRow = new[]
+ {
+ "Nr.",
+ "ID",
+ "Name",
+ };
+
+ y += DrawTableRow(gfx, y, columns, headerRow, tableHeaderFont, fillHeader: true);
+
+ if (studentIds.Count == 0)
+ {
+ var emptyFont = new XFont(FontFamily, 9, XFontStyleEx.Italic);
+ gfx.DrawString("Keine Schülerinnen und Schüler zugeordnet.", emptyFont, XBrushes.Gray,
+ new XRect(Margin + 6, y + 8, contentWidth - 12, 20), XStringFormats.TopLeft);
+ }
+ else
+ {
+ while (index < studentIds.Count)
+ {
+ if (!studentsById.TryGetValue(studentIds[index], out var student))
+ student = new Student { ID = studentIds[index] };
+
+ var row = BuildStudentRow(index + 1, student);
+ double rowHeight = MeasureRowHeight(gfx, columns, row, tableBodyFont);
+
+ if (y + rowHeight > contentBottom)
+ break;
+
+ y += DrawTableRow(gfx, y, columns, row, tableBodyFont, fillHeader: false);
+ index++;
+ }
+ }
+
+ DrawFooter(gfx, page);
+ pageIndex++;
+ } while (index < studentIds.Count);
+ }
+
+ private static double DrawInfoRows(
+ XGraphics gfx,
+ double startY,
+ double contentWidth,
+ XFont labelFont,
+ XFont valueFont,
+ (int Semester, CourseCrafter.CourseInstance Instance) course)
+ {
+ double y = startY;
+ double labelWidth = 160.0;
+ double valueWidth = contentWidth - labelWidth;
+ double rowPadding = 4.0;
+
+ var rows = new List<(string Label, string Value)>
+ {
+ ("Kurs-ID", course.Instance.Sport.ID.ToString()),
+ ("Kursname", course.Instance.Sport.Name),
+ ("Semester", course.Semester.ToString()),
+ ("Anzahl SuS", course.Instance.Students.Count.ToString()),
+ ("Min / Max", $"{course.Instance.Sport.MinStudents} / {course.Instance.Sport.MaxStudents}"),
+ ("Semesterangebote", string.Join(", ", course.Instance.Sport.Semester.Select((count, idx) => $"S{idx + 1}:{count}"))),
+ ("Alternativnamen", course.Instance.Sport.AlternativeNames.Count == 0
+ ? "-"
+ : string.Join(", ", course.Instance.Sport.AlternativeNames))
+ };
+
+ foreach (var row in rows)
+ {
+ double rowHeight = MeasureInfoRowHeight(gfx, labelFont, valueFont, labelWidth, valueWidth, row.Label, row.Value);
+
+ gfx.DrawRectangle(XPens.LightGray, Margin, y, labelWidth, rowHeight);
+ gfx.DrawRectangle(XPens.LightGray, Margin + labelWidth, y, valueWidth, rowHeight);
+
+ DrawWrappedText(gfx, row.Label, labelFont, XBrushes.Black, Margin + 4, y + rowPadding, labelWidth - 8);
+ DrawWrappedText(gfx, row.Value, valueFont, XBrushes.Black, Margin + labelWidth + 4, y + rowPadding, valueWidth - 8);
+
+ y += rowHeight;
+ }
+
+ return y;
+ }
+
+ private static double MeasureInfoRowHeight(
+ XGraphics gfx,
+ XFont labelFont,
+ XFont valueFont,
+ double labelWidth,
+ double valueWidth,
+ string label,
+ string value)
+ {
+ double labelHeight = MeasureWrappedTextHeight(gfx, label, labelFont, labelWidth - 8);
+ double valueHeight = MeasureWrappedTextHeight(gfx, value, valueFont, valueWidth - 8);
+ return Math.Max(labelHeight, valueHeight) + 8.0;
+ }
+
+ private static string[] BuildStudentRow(int rowNumber, Student student)
+ {
+ return new[]
+ {
+ rowNumber.ToString(),
+ student.ID,
+ student.Name,
+ };
+ }
+
+ private static string GetCourseName(Student student, int index)
+ {
+ if (index < 0 || index >= student.SelectedCourseNames.Count)
+ return string.Empty;
+
+ return student.SelectedCourseNames[index];
+ }
+
+ private static double[] GetTableColumns(double contentWidth)
+ {
+ return new[]
+ {
+ 30.0,
+ 75.0,
+ 145.0
+ };
+ }
+
+ private static double DrawTableRow(
+ XGraphics gfx,
+ double startY,
+ double[] columns,
+ IReadOnlyList values,
+ XFont font,
+ bool fillHeader)
+ {
+ const double padding = 4.0;
+ double rowHeight = MeasureRowHeight(gfx, columns, values, font);
+ double x = Margin;
+
+ for (int i = 0; i < columns.Length; i++)
+ {
+ double width = columns[i];
+ var rect = new XRect(x, startY, width, rowHeight);
+ gfx.DrawRectangle(XPens.LightGray, rect);
+
+ if (fillHeader)
+ gfx.DrawRectangle(new XSolidBrush(XColor.FromArgb(235, 235, 235)), rect);
+
+ gfx.DrawRectangle(XPens.LightGray, rect);
+
+ var lines = WrapText(gfx, values[i], font, width - (padding * 2));
+ double lineHeight = font.GetHeight();
+ double textY = startY + padding;
+
+ foreach (var line in lines)
+ {
+ gfx.DrawString(line, font, XBrushes.Black,
+ new XRect(x + padding, textY, width - (padding * 2), lineHeight), XStringFormats.TopLeft);
+ textY += lineHeight;
+ }
+
+ x += width;
+ }
+
+ return rowHeight;
+ }
+
+ private static double MeasureRowHeight(
+ XGraphics gfx,
+ double[] columns,
+ IReadOnlyList values,
+ XFont font)
+ {
+ const double padding = 4.0;
+ double maxHeight = font.GetHeight() + (padding * 2);
+
+ for (int i = 0; i < columns.Length; i++)
+ {
+ double height = MeasureWrappedTextHeight(gfx, values[i], font, columns[i] - (padding * 2)) + (padding * 2);
+ if (height > maxHeight)
+ maxHeight = height;
+ }
+
+ return maxHeight;
+ }
+
+ private static double MeasureWrappedTextHeight(XGraphics gfx, string text, XFont font, double width)
+ {
+ var lines = WrapText(gfx, text, font, width);
+ return lines.Count * font.GetHeight();
+ }
+
+ private static List WrapText(XGraphics gfx, string? text, XFont font, double maxWidth)
+ {
+ var result = new List();
+
+ if (string.IsNullOrWhiteSpace(text))
+ {
+ result.Add(string.Empty);
+ return result;
+ }
+
+ foreach (var paragraph in text.Replace("\r", string.Empty).Split('\n'))
+ {
+ if (string.IsNullOrWhiteSpace(paragraph))
+ {
+ result.Add(string.Empty);
+ continue;
+ }
+
+ string current = string.Empty;
+ foreach (var token in paragraph.Split(' ', StringSplitOptions.RemoveEmptyEntries))
+ {
+ foreach (var wordPart in SplitWordIfNeeded(gfx, token, font, maxWidth))
+ {
+ var candidate = string.IsNullOrEmpty(current) ? wordPart : $"{current} {wordPart}";
+ if (gfx.MeasureString(candidate, font).Width <= maxWidth)
+ {
+ current = candidate;
+ }
+ else
+ {
+ if (!string.IsNullOrEmpty(current))
+ result.Add(current);
+
+ current = wordPart;
+ }
+ }
+ }
+
+ if (!string.IsNullOrEmpty(current))
+ result.Add(current);
+ }
+
+ return result.Count == 0 ? new List { string.Empty } : result;
+ }
+
+ private static IEnumerable SplitWordIfNeeded(XGraphics gfx, string word, XFont font, double maxWidth)
+ {
+ if (gfx.MeasureString(word, font).Width <= maxWidth)
+ {
+ yield return word;
+ yield break;
+ }
+
+ string chunk = string.Empty;
+ foreach (char c in word)
+ {
+ string candidate = chunk + c;
+ if (chunk.Length > 0 && gfx.MeasureString(candidate, font).Width > maxWidth)
+ {
+ yield return chunk;
+ chunk = c.ToString();
+ }
+ else
+ {
+ chunk = candidate;
+ }
+ }
+
+ if (!string.IsNullOrEmpty(chunk))
+ yield return chunk;
+ }
+
+ private static void DrawWrappedText(
+ XGraphics gfx,
+ string? text,
+ XFont font,
+ XBrush brush,
+ double x,
+ double y,
+ double width)
+ {
+ double lineHeight = font.GetHeight();
+ foreach (var line in WrapText(gfx, text, font, width))
+ {
+ gfx.DrawString(line, font, brush, new XRect(x, y, width, lineHeight), XStringFormats.TopLeft);
+ y += lineHeight;
+ }
+ }
+
+ private static void DrawFooter(XGraphics gfx, PdfPage page)
+ {
+ var footerFont = new XFont(FontFamily, 7, XFontStyleEx.Regular);
+ double width = page.Width.Point - (Margin * 2);
+ double x = Margin;
+ double baseY = page.Height.Point - Margin + 2;
+
+ gfx.DrawString("generated by spplus", footerFont, FooterBrush,
+ new XRect(x, baseY, width, 9), XStringFormats.Center);
+ gfx.DrawString("(c) 2026 MyPapertown", footerFont, FooterBrush,
+ new XRect(x, baseY + 8, width, 9), XStringFormats.Center);
+ gfx.DrawString("www.mypapercloud.de/spplus", footerFont, FooterBrush,
+ new XRect(x, baseY + 16, width, 9), XStringFormats.Center);
+ }
+
+ private static void ConfigurePage(PdfPage page)
+ {
+ page.Size = PageSize.A4;
+ page.Orientation = PageOrientation.Portrait;
+ }
+}