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

using System.Drawing;

namespace it.stefanochizzolini.clown.samples
{
  /**
    <summary>This sample is a minimalist introduction to the use of PDF Clown.</summary>
  */
  public class HelloWorldSample
    : ISample
  {
    #region dynamic
    #region interface
    #region public
    #region ISample
    public void Run(
      PDFClownSampleLoader loader
      )
    {
      // 1. Instantiate a new PDF file!
      /* NOTE: a File object is the low-level (syntactic) representation of a PDF file. */
      File file = new File();

      // 2. Get its corresponding document!
      /* NOTE: a Document object is the high-level (semantic) representation of a PDF file. */
      Document document = file.Document;

      // 3. Insert the contents into the document!
      Populate(document);

      // (boilerplate metadata insertion -- ignore it)
      loader.BuildAccessories(document,this.GetType(),"Hello world","a simple 'hello world'");

      // 4. 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
      )
    {
      // 1. Add the page to the document!
      Page page = new Page(document); // Instantiates the page inside the document context.
      document.Pages.Add(page); // Puts the page in the pages collection.

      // 2. Create a content builder for the page!
      PrimitiveFilter builder = new PrimitiveFilter(page);

      // 3. Inserting contents...
      // Set the font to use!
      builder.SetFont(
        new StandardType1Font(
          document,
          StandardType1Font.FamilyNameEnum.Courier,
          true,
          false
          ),
        32
        );
      // Show the text onto the page!
      builder.ShowText(
        "Hello World!",
        new PointF(32,48)
        );

      // 4. Flush the contents into the page!
      builder.Flush();
    }
    #endregion
    #endregion
    #endregion
  }
}