/*
 * Example_10.cs
 *
 * Copyright (c) 2026 PDFjet Software
 * Licensed under the MIT License. See LICENSE file in the project root.
 */
using System;
using System.IO;
using System.Collections.Generic;
using System.Diagnostics;
using PDFjet.NET;

/**
 * Example_10.cs
 */
public class Example_10 {
    public Example_10() {
        PDF pdf = new PDF(new BufferedStream(
                new FileStream("Example_10.pdf", FileMode.Create)));
        pdf.SetCompliance(Compliance.PDF_UA_1);
        pdf.SetTitle("Text block with highlighted keywords");

        // Font f1 = new Font(pdf, SourceSerif4.Regular);
        // Font f1 = new Font(pdf, NotoSans.Regular);
        Font f1 = new Font(pdf, IBMPlexSans.Regular);
        f1.SetSize(15f);

        Page page = new Page(pdf, Letter.PORTRAIT);

        // A heading, which PAC asks a document for
        new TextLine(f1, "Text block with highlighted keywords")
                .SetStructureType(StructElem.H1)
                .SetFontSize(18f)
                .SetLocation(100f, 36f)
                .DrawOn(page);

        Dictionary<String, Int32> colors = new Dictionary<String, Int32>();
        colors["Everyone"] = Color.firebrick;
        colors["pay"] = Color.green;
        colors["freedom"] = Color.blue;

        // page.SaveGraphicsState();

        GraphicsState gs = new GraphicsState();
        gs.SetAlphaStroking(0.5f);                  // Stroking alpha
        gs.SetAlphaNonStroking(0.5f);               // Non-Stroking alpha
        page.SetGraphicsState(gs);

        String englishText = Content.OfTextFile("data/languages/english.txt");
        // f1.SetSize(14f);
        TextBlock textBlock = new TextBlock(f1, englishText);
        textBlock.SetLocation(100f, 50f);
        textBlock.SetWidth(400f);
        // With a height the text that does not fit is cut; without one the
        // block is as tall as its text.
        textBlock.SetHeight(450f);
        textBlock.SetVerticalAlignment(Alignment.TOP);
        // textBlock.SetVerticalAlignment(Alignment.BOTTOM);
        // textBlock.SetVerticalAlignment(Alignment.CENTER);
        // textBlock.SetTextAlignment(Alignment.CENTER);
        textBlock.SetBackgroundColor(Color.whitesmoke);
        textBlock.SetHighlightColors(colors);
        textBlock.SetBorderColor(Color.black);
        float[] xy = textBlock.DrawOn(page);

        page.SetGraphicsState(new GraphicsState()); // Reset GS
        // page.RestoreGraphicsState();

        Rect rect = new Rect(xy[0], xy[1], 20f, 20f);
        rect.SetBorderColor(Color.black);
        rect.DrawOn(page);

        pdf.Complete();
    }

    public static void Main(String[] args) {
        Stopwatch sw = Stopwatch.StartNew();
        long time0 = sw.ElapsedMilliseconds;
        new Example_10();
        long time1 = sw.ElapsedMilliseconds;
        sw.Stop();
        Console.WriteLine($"Example_10 => {time1 - time0,4} ms");
    }
}   // End of Example_10.cs