DocumentGenerator.cs

using System;
using System.Diagnostics;
using System.IO;
using Telerik.Windows.Documents.Fixed.FormatProviders.Pdf;
using Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Export;
using Telerik.Windows.Documents.Fixed.Model;
using Telerik.Windows.Documents.Fixed.Model.ColorSpaces;
using Telerik.Windows.Documents.Fixed.Model.Editing;
using Telerik.Windows.Documents.Fixed.Model.Editing.Flow;
using Telerik.Windows.Documents.Fixed.Model.Graphics;
#if NETCOREAPP
using Telerik.Documents.Core.Fonts;
using Telerik.Documents.Primitives;
#else
using FontFamily = System.Windows.Media.FontFamily;
using FontStyles = System.Windows.FontStyles;
using FontWeights = System.Windows.FontWeights;
using Point = System.Windows.Point;
using Size = System.Windows.Size;
#endif

namespace GenerateDocument
{
    public class DocumentGenerator
    {
        private const double defaultLeftIndent = 50;
        private const double defaultLineHeight = 16;
        public static readonly string RootDirectory = AppDomain.CurrentDomain.BaseDirectory;
        private static readonly string sampleDataPath = RootDirectory + "/SampleData/";
        private readonly string defaultDocumentName = "Sample Document.pdf";

        private static void CenterText(FixedContentEditor editor, string text)
        {
            Block block = new Block();
            block.TextProperties.TrySetFont(new FontFamily("Calibri"));
            block.HorizontalAlignment = HorizontalAlignment.Center;
            block.VerticalAlignment = VerticalAlignment.Center;
            block.GraphicProperties.FillColor = RgbColors.White;
            block.InsertText(text);

            editor.DrawBlock(block, new Size(96, 96));
        }

        public void Export(string filePath)
        {
            PdfFormatProvider formatProvider = new PdfFormatProvider();
            formatProvider.ExportSettings.ImageQuality = ImageQuality.High;

            string resultFile = System.IO.Path.Combine(filePath, this.defaultDocumentName);

            PrepareDirectory(filePath, resultFile);

            using (FileStream stream = File.OpenWrite(resultFile))
            {
                RadFixedDocument document = CreateDocument();
                formatProvider.Export(document, stream);
            }

            Console.WriteLine("The document is generated.");

            ProcessStartInfo psi = new ProcessStartInfo()
            {
                FileName = resultFile,
                UseShellExecute = true
            };
            Process.Start(psi);
        }

        private static RadFixedDocument CreateDocument()
        {
            RadFixedDocument document = new RadFixedDocument();
            RadFixedPage page = document.Pages.AddPage();
            page.Size = new Size(600, 800);
            FixedContentEditor editor = new FixedContentEditor(page);
            editor.Position.Translate(defaultLeftIndent, 50);
            using (Stream stream = File.OpenRead(sampleDataPath + "pdfProcessingWpf.jpg"))
            {
                editor.DrawImage(stream);
            }

            double currentTopOffset = 110;
            editor.Position.Translate(defaultLeftIndent, currentTopOffset);
            double maxWidth = page.Size.Width - defaultLeftIndent * 2;

            DrawDescription(editor, maxWidth);

            currentTopOffset += defaultLineHeight * 4;
            editor.Position.Translate(defaultLeftIndent, currentTopOffset);

            using (editor.SaveProperties())
            {
                DrawFunnelFigure(editor);
            }

            editor.Position.Translate(defaultLeftIndent * 4, page.Size.Height - 100);
            using (Stream stream = File.OpenRead(sampleDataPath + "telerik.jpg"))
            {
                editor.DrawImage(stream);
            }

            DrawText(editor, maxWidth);

            return document;
        }

        private static void DrawDescription(FixedContentEditor editor, double maxWidth)
        {
            Block block = new Block();
            block.GraphicProperties.FillColor = RgbColors.Black;
            block.HorizontalAlignment = HorizontalAlignment.Left;
            block.TextProperties.FontSize = 14;
            block.TextProperties.TrySetFont(new FontFamily("Calibri"), FontStyles.Italic, FontWeights.Bold);
            block.InsertText("RadPdfProcessing");
            block.TextProperties.TrySetFont(new FontFamily("Calibri"));
            block.InsertText(" is a document processing library that enables your application to import and export files to and from PDF format. The document model is entirely independent from UI and allows you to generate sleek documents with differently formatted text, images, shapes and more.");

            editor.DrawBlock(block, new Size(maxWidth, double.PositiveInfinity));
        }

        private static void DrawText(FixedContentEditor editor, double maxWidth)
        {
            double currentTopOffset = 470;
            currentTopOffset += defaultLineHeight * 2;
            editor.Position.Translate(defaultLeftIndent, currentTopOffset);
            editor.TextProperties.FontSize = 11;

            Block block = new Block();
            block.TextProperties.FontSize = 11;
            block.TextProperties.TrySetFont(new FontFamily("Arial"));
            block.InsertText("A wizard's job is to vex ");
            using (block.GraphicProperties.Save())
            {
                block.GraphicProperties.FillColor = new RgbColor(255, 146, 208, 80);
                block.InsertText("chumps");
            }

            block.InsertText(" quickly in fog.");
            editor.DrawBlock(block, new Size(maxWidth, double.PositiveInfinity));

            currentTopOffset += defaultLineHeight;
            editor.Position.Translate(defaultLeftIndent, currentTopOffset);

            block = new Block();
            block.TextProperties.FontSize = 11;
            block.TextProperties.TrySetFont(new FontFamily("Trebuchet MS"));
            block.InsertText("A wizard's job is to vex chumps ");
            using (block.TextProperties.Save())
            {
                block.TextProperties.UnderlinePattern = UnderlinePattern.Single;
                block.TextProperties.UnderlineColor = editor.GraphicProperties.FillColor;
                block.InsertText("quickly");
            }

            block.InsertText(" in fog.");
            editor.DrawBlock(block, new Size(maxWidth, double.PositiveInfinity));

            currentTopOffset += defaultLineHeight;
            editor.Position.Translate(defaultLeftIndent, currentTopOffset);
            block = new Block();
            block.TextProperties.FontSize = 11;
            block.TextProperties.TrySetFont(new FontFamily("Algerian"));
            block.InsertText("A ");
            using (block.TextProperties.Save())
            {
                block.TextProperties.UnderlinePattern = UnderlinePattern.Single;
                block.TextProperties.UnderlineColor = editor.GraphicProperties.FillColor;
                block.InsertText("wizard's");
            }

            block.InsertText(" job is to vex chumps quickly in fog.");
            editor.DrawBlock(block, new Size(maxWidth, double.PositiveInfinity));

            currentTopOffset += defaultLineHeight;
            editor.Position.Translate(defaultLeftIndent, currentTopOffset);

            editor.TextProperties.TrySetFont(new FontFamily("Lucida Calligraphy"));
            editor.DrawText("A wizard's job is to vex chumps quickly in fog.", new Size(maxWidth, double.PositiveInfinity));

            currentTopOffset += defaultLineHeight + 2;
            editor.Position.Translate(defaultLeftIndent, currentTopOffset);
            block = new Block();
            block.TextProperties.FontSize = 11;
            block.TextProperties.TrySetFont(new FontFamily("Consolas"));
            block.InsertText("A wizard's job is to vex chumps ");
            using (block.TextProperties.Save())
            {
                block.TextProperties.TrySetFont(new FontFamily("Consolas"), FontStyles.Normal, FontWeights.Bold);
                block.InsertText("quickly");
            }

            block.InsertText(" in fog.");
            editor.DrawBlock(block, new Size(maxWidth, double.PositiveInfinity));

            currentTopOffset += defaultLineHeight;
            editor.Position.Translate(defaultLeftIndent, currentTopOffset);
            editor.TextProperties.TrySetFont(new FontFamily("Arial"));
            editor.DrawText("Ταχίστη αλώπηξ βαφής ψημένη γη, δρασκελίζει υπέρ νωθρού κυνός.", new Size(maxWidth, double.PositiveInfinity));

            currentTopOffset += defaultLineHeight;
            editor.Position.Translate(defaultLeftIndent, currentTopOffset);
            editor.DrawText("В чащах юга жил бы цитрус? Да, но фальшивый экземпляр!", new Size(maxWidth, double.PositiveInfinity));

            currentTopOffset += defaultLineHeight;
            editor.Position.Translate(defaultLeftIndent, currentTopOffset);
            editor.DrawText("El pingüino Wenceslao hizo kilómetros bajo exhaustiva lluvia y frío; añoraba a su querido cachorro.", new Size(maxWidth, double.PositiveInfinity));

            currentTopOffset += defaultLineHeight;
            editor.Position.Translate(defaultLeftIndent, currentTopOffset);

            editor.TextProperties.TrySetFont(new FontFamily("Malgun Gothic"));
            editor.DrawText("키스의 고유조건은 입술끼리 만나야 하고 특별한 기술은 필요치 않다.", new Size(maxWidth, double.PositiveInfinity));
        }

        private static void DrawFunnelFigure(FixedContentEditor editor)
        {
            editor.GraphicProperties.IsStroked = false;
            editor.GraphicProperties.FillColor = new RgbColor(231, 238, 247);
            editor.DrawEllipse(new Point(250, 70), 136, 48);

            editor.GraphicProperties.IsStroked = true;
            editor.GraphicProperties.StrokeColor = RgbColors.White;
            editor.GraphicProperties.StrokeThickness = 1;
            editor.GraphicProperties.FillColor = new RgbColor(91, 155, 223);
            editor.DrawEllipse(new Point(289, 77), 48, 48);

            editor.Position.Translate(291, 204);
            CenterText(editor, "Fonts");

            editor.Position.Translate(0, 0);
            editor.DrawEllipse(new Point(238, 274), 48, 48);
            editor.Position.Translate(190, 226);
            CenterText(editor, "Images");

            editor.Position.Translate(0, 0);
            editor.DrawEllipse(new Point(307, 347), 48, 48);
            editor.Position.Translate(259, 299);
            CenterText(editor, "Shapes");

            editor.Position.Translate(0, 0);
            PathGeometry arrow = new PathGeometry();
            PathFigure figure = arrow.Figures.AddPathFigure();
            figure.StartPoint = new Point(287, 422);
            figure.IsClosed = true;
            figure.Segments.AddLineSegment(new Point(287, 438));
            figure.Segments.AddLineSegment(new Point(278, 438));
            figure.Segments.AddLineSegment(new Point(300, 454));
            figure.Segments.AddLineSegment(new Point(322, 438));
            figure.Segments.AddLineSegment(new Point(313, 438));
            figure.Segments.AddLineSegment(new Point(313, 422));

            editor.DrawPath(arrow);

            editor.GraphicProperties.FillColor = new RgbColor(80, 255, 255, 255);
            editor.GraphicProperties.IsStroked = true;
            editor.GraphicProperties.StrokeThickness = 1;
            editor.GraphicProperties.StrokeColor = new RgbColor(91, 155, 223);

            PathGeometry funnel = new PathGeometry();
            funnel.FillRule = FillRule.EvenOdd;
            figure = funnel.Figures.AddPathFigure();
            figure.IsClosed = true;
            figure.StartPoint = new Point(164, 245);
            figure.Segments.AddArcSegment(new Point(436, 245), 136, 48);
            figure.Segments.AddArcSegment(new Point(164, 245), 136, 48);

            figure = funnel.Figures.AddPathFigure();
            figure.IsClosed = true;
            figure.StartPoint = new Point(151, 245);
            figure.Segments.AddArcSegment(new Point(449, 245), 149, 61);
            figure.Segments.AddLineSegment(new Point(332, 415));
            figure.Segments.AddArcSegment(new Point(268, 415), 16, 4);

            editor.DrawPath(funnel);

            editor.Position.Translate(164, 455);
            Block block = new Block();
            block.TextProperties.Font = editor.TextProperties.Font;
            block.GraphicProperties.FillColor = RgbColors.Black;
            block.HorizontalAlignment = HorizontalAlignment.Center;
            block.VerticalAlignment = VerticalAlignment.Top;
            block.TextProperties.FontSize = 18;
            block.InsertText("PDF");
            editor.DrawBlock(block, new Size(272, double.PositiveInfinity));
        }

        private static void PrepareDirectory(string filePath, string resultFile)
        {
            if (Directory.Exists(filePath))
            {
                if (File.Exists(resultFile))
                {
                    File.Delete(resultFile);
                }
            }
            else
            {
                Directory.CreateDirectory(filePath);
            }
        }
    }
}