using System.Diagnostics;
using Bytescout.PDF;

namespace TilingPatterns
{
    /// <summary>
    /// This example demonstrates how to use tiling patterns.
    /// </summary>
    class Program
    {
        static void Main()
        {
            // Create new document
            Document pdfDocument = new Document();
            pdfDocument.RegistrationName = "demo";
            pdfDocument.RegistrationKey = "demo";

            // If you wish to load an existing document uncomment the line below and comment the Add page section instead
            // pdfDocument.Load(@".\existing_document.pdf");

            // Add page
            Page page = new Page(PaperFormat.A4);
            pdfDocument.Pages.Add(page);

            ColorRGB blueColor = new ColorRGB(0, 0, 255);
            ColorRGB grayColor = new ColorRGB(128, 128, 128);

            // Create tiling brush and paint on it 
            UncoloredTilingBrush tilingBrush1 = new UncoloredTilingBrush(10, 12);
            Canvas brushCanvas = tilingBrush1.Canvas;
            brushCanvas.DrawCircle(new SolidPen(blueColor), 0, 6, 6);
            tilingBrush1.Color = blueColor;

            // Create second tiling brush and paint on it using the first brush
            ColoredTilingBrush tilingBrush2 = new ColoredTilingBrush(70, 50);
            brushCanvas = tilingBrush2.Canvas;
            brushCanvas.DrawEllipse(new SolidPen(grayColor), tilingBrush1, 0, 0, 60, 20);

            // Draw rectangle and fill it with combined tiling brush
            page.Canvas.DrawRectangle(new SolidPen(), tilingBrush2, 100, 100, 400, 400);
            
            // Save document to file
            pdfDocument.Save("result.pdf");

            // Cleanup 
            pdfDocument.Dispose();

            // Open result document in default associated application (for demo purpose)
            ProcessStartInfo processStartInfo = new ProcessStartInfo("result.pdf");
            processStartInfo.UseShellExecute = true;
            Process.Start(processStartInfo);
        }
    }
}