// // This code is part of Document Solutions for PDF demos. // Copyright (c) MESCIUS inc. All rights reserved. // using System; using System.IO; using System.Drawing; using System.Numerics; using GrapeCity.Documents.Pdf; using GrapeCity.Documents.Text; using GrapeCity.Documents.Drawing; using GCTEXT = GrapeCity.Documents.Text; using GCDRAW = GrapeCity.Documents.Drawing; namespace DsPdfWeb.Demos.Basics { // This demo shows how to draw a table with slanted column headers, // so that long headers can be squeezed into narrow columns' headers. // The demo uses the GcGraphics.DrawSlantedText() method to draw the headers. // See also the DrawRotatedText and DrawSlantedText demos. public class SlantedTableHeaders { public int CreatePDF(Stream stream) { var doc = new GcPdfDocument(); var page = doc.Pages.Add(); var g = page.Graphics; // This is just to better position the table in the page: g.Transform = Matrix3x2.CreateTranslation(g.Resolution, g.Resolution); var x = new float[] { 10, 70, 120, 170, 220, 270, 320, 370 }; var y = new float[] { 10, 70, 90, 110, 130 }; int lastX = x.Length - 1; int lastY = y.Length - 1; int angle = -50; float dx = (y[0] - y[1]) / (float)Math.Tan(Math.PI * angle / 180); using (var path = g.CreatePath()) { path.BeginFigure(new PointF(x[1] + dx, y[0])); path.AddLine(new PointF(x[lastX] + dx, y[0])); path.AddLine(new PointF(x[lastX], y[1])); path.AddLine(new PointF(x[1], y[1])); path.EndFigure(FigureEnd.Closed); g.FillPath(path, Color.Bisque); } DrawLine(g, x[1] + dx, y[0], x[lastX] + dx, y[0]); for (int i = 1; i <= lastX; i++) DrawLine(g, x[i], y[1], x[i] + dx, y[0]); var arrH = new string[] { "January", "February", "March", "April", "May", "June" }; for (int i = 1; i < lastX; i++) DrawSlantedText(g, angle, x[i], y[0], x[i + 1], y[1], arrH[i - 1]); for (int i = 1; i <= lastY; i++) DrawLine(g, x[0], y[i], x[lastX], y[i]); for (int i = 0; i <= lastX; i++) DrawLine(g, x[i], y[1], x[i], y[lastY]); var arr1 = new string[] { "Store 1", "83424", "13558", "2348", "6429", "7565", "2833" }; var arr2 = new string[] { "Store 2", "53423", "3573", "32321", "16474", "97553", "8364" }; var arr3 = new string[] { "Store 3", "3421", "83553", "2343", "6428", "77557", "8347" }; bool bold = true; for (int i = 0; i < lastX; i++) { DrawText(g, y[1], x[i], x[i + 1], arr1[i], bold); DrawText(g, y[2], x[i], x[i + 1], arr2[i], bold); DrawText(g, y[3], x[i], x[i + 1], arr3[i], bold); bold = false; } // Done: doc.Save(stream); return doc.Pages.Count; } static void DrawLine(GcGraphics g, float x1, float y1, float x2, float y2) { g.DrawLine(new PointF(x1, y1), new PointF(x2, y2), new GCDRAW::Pen(Color.Gray, 1)); } static void DrawSlantedText(GcGraphics g, int angle, float x1, float y1, float x2, float y2, string s) { var tl = g.CreateTextLayout(); tl.TextAlignment = TextAlignment.Center; tl.Append(s, new TextFormat { FontName = "Segoe UI", FontSize = 10, FontBold = true }); var rc = new RectangleF(x1, y1, x2 - x1, y2 - y1); g.DrawSlantedText(tl, angle, false, rc, SlantedTextAlignment.CenterInsideOutside); } static void DrawText(GcGraphics g, float y1, float x1, float x2, string s, bool bold = false) { var tl = g.CreateTextLayout(); tl.TextAlignment = bold ? TextAlignment.Leading : TextAlignment.Trailing; tl.MaxWidth = x2 - x1 - 6; tl.Append(s, new TextFormat { FontName = "Segoe UI", FontSize = 10, FontBold = bold }); g.DrawTextLayout(tl, new PointF(x1 + 3, y1)); } } }