QuestPDF/QuestPDF.Examples/ComplexLayoutBenchmark.cs

using NUnit.Framework;
using QuestPDF.Examples.Engine;
using QuestPDF.Fluent;
using QuestPDF.Helpers;
using QuestPDF.Infrastructure;

namespace QuestPDF.Examples
{
    public class ComplexLayoutBenchmark
    {
        [Test]
        public void ComplexLayout()
        {
            RenderingTest
                .Create()
                .PageSize(PageSizes.A4)
                .ProducePdf()
                .ShowResults()
                .Render(x => GenerateStructure(x, 16));
        }

        private void GenerateStructure(IContainer container, int level)
        {
            if (level <= 0)
            {
                container.Background(Placeholders.BackgroundColor()).Height(10);
                return;
            }

            level--;

            if (level % 3 == 0)
            {
                container
                    .Border(level / 4f)
                    .BorderColor(Colors.Black)
                    .Row(row =>
                    {
                        row.RelativeColumn().Element(x => GenerateStructure(x, level));
                        row.RelativeColumn().Element(x => GenerateStructure(x, level));
                    });
            }
            else
            {
                container
                    .Border(level / 4f)
                    .BorderColor(Colors.Black)
                    .Stack(stack =>
                    {
                        stack.Item().Element(x => GenerateStructure(x, level));
                        stack.Item().Element(x => GenerateStructure(x, level));
                    });
            }
        }
    }
}