using it.stefanochizzolini.clown.documents;
using it.stefanochizzolini.clown.documents.contents.composition;
using it.stefanochizzolini.clown.documents.contents.entities;
using it.stefanochizzolini.clown.documents.contents.fonts;
using it.stefanochizzolini.clown.documents.contents.xObjects;
using it.stefanochizzolini.clown.files;

using System;
using System.Collections.Generic;
using System.Drawing;

namespace it.stefanochizzolini.clown.samples
{
  /**
    <summary>This sample demonstrates how to show bar codes in a PDF file.</summary>
  */
  public class BarcodeSample
    : ISample
  {
    #region static
    #region fields
    private const float Margin = 36;
    #endregion
    #endregion

    #region dynamic
    #region interface
    #region public
    #region ISample
    public void Run(
      PDFClownSampleLoader loader
      )
    {
      // 1. PDF file instantiation.
      File file = new File();

      // 2. Content creation.
      Document document = file.Document;
      Populate(document,loader);

      // (boilerplate metadata insertion -- ignore it)
      loader.BuildAccessories(document,this.GetType(),"Barcode","showing barcodes");

      // 3. Serialize the PDF file (again, boilerplate code -- see the PDFClownSampleLoader class source code)!
      loader.Serialize(file,this.GetType().Name,false);
    }
    #endregion
    #endregion

    #region private
    /**
      <summary>Populates a PDF file with contents.</summary>
    */
    private void Populate(
      Document document,
      PDFClownSampleLoader loader
      )
    {
      // Get the abstract barcode entity!
      EAN13Barcode barcode = new EAN13Barcode("8012345678901");
      // Create the reusable barcode within the document!
      XObject barcodeXObject = barcode.ToXObject(document);

      Pages pages = document.Pages;
      // Page 1.
      {
        Page page = new Page(document);
        pages.Add(page);
        Size pageSize = page.Size.Value;

        PrimitiveFilter builder = new PrimitiveFilter(page);
        {
          BlockFilter blockFilter = new BlockFilter(builder);
          blockFilter.Hyphenation = true;
          blockFilter.Begin(
            new RectangleF(
              Margin,
              Margin,
              pageSize.Width - Margin * 2,
              pageSize.Height - Margin * 2
              ),
            AlignmentXEnum.Left,
            AlignmentYEnum.Top
            );
          StandardType1Font bodyFont = new StandardType1Font(
            document,
            StandardType1Font.FamilyNameEnum.Courier,
            true,
            false
            );
          builder.SetFont(bodyFont,32);
          blockFilter.ShowText("Barcode sample"); blockFilter.ShowBreak();
          builder.SetFont(bodyFont,16);
          blockFilter.ShowText("Showing the EAN-13 Bar Code on different compositions:"); blockFilter.ShowBreak();
          blockFilter.ShowText("- page 1: on the lower right corner of the page, 100pt wide;"); blockFilter.ShowBreak();
          blockFilter.ShowText("- page 2: on the middle of the page, 1/3-page wide, 25 degree counterclockwise rotated;"); blockFilter.ShowBreak();
          blockFilter.ShowText("- page 3: filled page, 90 degree clockwise rotated."); blockFilter.ShowBreak();
          blockFilter.End();
        }

        // Show the barcode!
        builder.ShowXObject(
          barcodeXObject,
          new PointF(
            pageSize.Width - Margin,
            pageSize.Height - Margin
            ),
          new Size(100,0),
          AlignmentXEnum.Right,
          AlignmentYEnum.Bottom,
          0
          );
        builder.Flush();
      }

      // Page 2.
      {
        Page page = new Page(document);
        pages.Add(page);
        Size pageSize = page.Size.Value;

        PrimitiveFilter builder = new PrimitiveFilter(page);
        // Show the barcode!
        builder.ShowXObject(
          barcodeXObject,
          new PointF(
            pageSize.Width / 2,
            pageSize.Height / 2
            ),
          new Size((int)pageSize.Width/3,0),
          AlignmentXEnum.Center,
          AlignmentYEnum.Middle,
          25
          );
        builder.Flush();
      }

      // Page 3.
      {
        Page page = new Page(document);
        pages.Add(page);
        Size pageSize = page.Size.Value;

        PrimitiveFilter builder = new PrimitiveFilter(page);
        // Show the barcode!
        builder.ShowXObject(
          barcodeXObject,
          new PointF(
            pageSize.Width / 2,
            pageSize.Height / 2
            ),
          new Size((int)pageSize.Height,(int)pageSize.Width),
          AlignmentXEnum.Center,
          AlignmentYEnum.Middle,
          -90
          );
        builder.Flush();
      }
    }
    #endregion
    #endregion
    #endregion
  }
}