//
// 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 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
{
    // Shows how to easily render a simple bullet list using a single TextLayout.
    public class EasyBulletList
    {
        public int CreatePDF(Stream stream)
        {
            const int FontSize = 12;
            var doc = new GcPdfDocument();
            var page = doc.Pages.Add();
            var g = page.Graphics;
            var tl = g.CreateTextLayout();

            var img = GCDRAW.Image.FromFile(Path.Combine("Resources", "ImagesBis", "2020-website-gcdocs-headers_tall.png"));
            var rc = page.Bounds;
            rc.Height *= 0.65f;
            g.DrawImage(img, rc, null, ImageAlign.StretchImage);

            var ip = new PointF(48, 72);

            var font = GCTEXT.Font.FromFile(Path.Combine("Resources", "Fonts", "NotoSans-Regular.ttf"));
            var tfCap = new TextFormat() { Font = font, FontSize = FontSize * 1.6f, ForeColor = Color.White };
            var tf = new TextFormat() { Font = font, FontSize = FontSize, ForeColor = Color.White };
            tl.MaxWidth = 72 * 6;

            // Header:
            tl.AppendLine("Feature-Rich C# .NET PDF API Library for Total Document Control", tfCap);
            tl.AppendLine(tfCap);
            tl.AppendLine("Document Solutions for PDF (DsPdf, previously GcPdf) allows you to generate documents with speed, memory efficiency with no dependencies.", tf);
            tl.AppendLine(tf);
            g.DrawTextLayout(tl, ip);

            // Bullet list:
            ip.Y += tl.ContentHeight;
            tl.Clear();
            const string bullet = "\x2022\x2003";
            tl.FirstLineIndent = -g.MeasureString(bullet, tf).Width;
            tl.ParagraphSpacing += 4;

            tl.Append(bullet, tf);
            tl.AppendLine("Generate, load, edit, and save PDF documents in C# or VB", tf);
            tl.Append(bullet, tf);
            tl.AppendLine("Support multiple languages with full text, paragraph formatting, and fonts", tf);
            tl.Append(bullet, tf);
            tl.AppendLine("Mark and redact sensitive content from PDFs", tf);
            tl.Append(bullet, tf);
            tl.AppendLine("View or embed audio and video content in PDFs", tf);
            tl.Append(bullet, tf);
            tl.AppendLine("Multiple options for optimizing PDF documents", tf);
            tl.Append(bullet, tf);
            tl.AppendLine("Support hundreds of PDF features", tf);
            tl.Append(bullet, tf);
            tl.AppendLine("All features are fully supported on Windows, macOS, and Linux", tf);
            tl.Append(bullet, tf);
            tl.AppendLine("Includes a JavaScript PDF Viewer to view and edit PDF documents", tf);
            g.DrawTextLayout(tl, ip);

            doc.Save(stream);
            return doc.Pages.Count;
        }
    }
}