/*
 * Example_31.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_31.cs
 */
public class Example_31 {
    public Example_31() {
        PDF pdf = new PDF(new BufferedStream(
                new FileStream("Example_31.pdf", FileMode.Create)));
        pdf.SetCompliance(Compliance.PDF_UA_1);
        pdf.SetTitle("Containers and Stamps");

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

        Font f1 = new Font(pdf, IBMPlexSans.Regular);
        f1.SetSize(14f);

        Font f2 = new Font(pdf, IBMPlexSans.Bold);
        f2.SetSize(14f);

        // The heading, above the drawings, which are 40 points lower for it
        new TextLine(f2, "Containers and Stamps")
                .SetStructureType(StructElem.H1)
                .SetFontSize(18f)
                .SetLocation(50f, 30f)
                .DrawOn(page);

        // Base container
        Container container = new Container(400f, 400f);
        container.SetLocation(100f, 140f);

        // Add a rectangle to container
        Rect rect = new Rect(0f, 0f, 400f, 400f);
        rect.SetFillColor(Color.gray);
        container.Add(rect);

        var stamp = new Stamp(pdf).SetSize(400f, 400f).AddFont(f1).AddFont(f2);

        // Draw path ...
        stamp.SetFillColor(Color.lightblue)
            .SetStrokeColor(Color.red)
            .SetStrokeWidth(4f)
            .MoveTo(0f, 0f)
            .LineTo(400f, 0f)
            .LineTo(400f, 400f)
            .LineTo(0f, 400f)
            .CloseFillAndStrokePath();

        // Draw Rectangle
        stamp.SetStrokeColor(Color.blue)
            .SetStrokeWidth(1f)
            .DrawRect(10f, 10f, 380f, 380f);

        // Fill Rectangle
        stamp.SetFillColor(Color.darkgreen).FillRect(10f, 10f, 20f, 20f);

        // Draw some text
        var parameters = new TextParameters()
            .SetFont(f1)
            .SetFontSize(14f)
            .SetLocation(40f, 25f) // Clear of the square, which the text would run over
            .SetText("Hello, World!");
        stamp.DrawText(parameters);

        // Change some parameters and draw the text again
        parameters.SetFont(f2).SetLocation(40f, 50f);
        stamp.SetFillColor(Color.darkgreen).DrawText(parameters);

        stamp.Complete();   // The stamp is complete!

        stamp.SetLocation(50f, 90f).DrawOn(page);

        // Rotate the stamp counter clockwise and draw it again
        stamp.SetRotation(-15).DrawOn(page);

        // Rotate the stamp clockwise and draw it again
        stamp.SetRotation(15).DrawOn(page);

        // Draw the stamp again at a quarter of its size
        stamp.SetRotation(0).ScaleBy(0.25f).SetLocation(360f, 520f).DrawOn(page);

        // Add a text line to container
        TextLine title = new TextLine(f1, "Container");
        title.SetLocation(150f, 20f);
        container.Add(title);

        // Nested container #1
        Container nested1 = new Container(200f, 200f);
        nested1.SetLocation(0f, 0f);
        nested1.SetRotation(-30);
        nested1.ScaleBy(0.8f);

        Rect innerRect = new Rect(0f, 0f, 200f, 200f);
        innerRect.SetFillColor(Color.blue);
        nested1.Add(innerRect);

        TextLine innerText = new TextLine(f1, "Nested 1");
        innerText.SetLocation(50f, 100f);
        innerText.SetTextColor(Color.white);   // On the blue of the rectangle
        nested1.Add(innerText);

        container.Add(nested1);

        // Nested container #2
        Container nested2 = new Container(100f, 100f);
        nested2.SetLocation(250f, 250f);
        nested2.SetRotation(-45);

        Rect smallRect = new Rect(0f, 0f, 100f, 100f);
        smallRect.SetFillColor(Color.red);
        nested2.Add(smallRect);

        TextLine smallText = new TextLine(f1, "Nested 2");
        smallText.SetLocation(10f, 50f);
        nested2.Add(smallText);

        container.Add(nested2);

        container.SetRotation(45);
        // Draw the entire hierarchy on the page
        container.DrawOn(page);

        var container5 = new Container(200f, 20f);
        var rect5 = new Rect(0f, 0f, 200f, 20f);
        container5.Add(rect5);

        var rect6 = new Rect(0f, 0f, 10f, 10f);
        rect6.SetFillColor(Color.blue);
        container5.Add(rect6);

        var rect7 = new Rect(190f, 10f, 10f, 10f);
        rect7.SetBorderColor(Color.red);
        rect7.SetBorderWidth(2f);
        container5.Add(rect7);

        container5.SetLocation(50f, 640f);
        container5.DrawOn(page);

        container5.SetRotation(90);
        container5.DrawOn(page);

        pdf.Complete();
    }

    public static void Main(String[] args) {
        Stopwatch sw = Stopwatch.StartNew();
        long time0 = sw.ElapsedMilliseconds;
        new Example_31();
        long time1 = sw.ElapsedMilliseconds;
        sw.Stop();
        Console.WriteLine($"Example_31 => {time1 - time0,4} ms");
    }
}   // End of Example_31.cs