package it.stefanochizzolini.clown.samples;

import it.stefanochizzolini.clown.documents.Document;
import it.stefanochizzolini.clown.documents.Page;
import it.stefanochizzolini.clown.documents.contents.composition.PrimitiveFilter;
import it.stefanochizzolini.clown.documents.contents.fonts.StandardType1Font;
import it.stefanochizzolini.clown.files.File;

import java.awt.geom.Point2D;

/**
  This sample is a minimalist introduction to the use of PDF Clown.

  @author Stefano Chizzolini (http://www.stefanochizzolini.it)
  @version 0.0.6
*/
public class HelloWorldSample
  implements 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.getDocument();

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

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

    // 4. Serialize the PDF file (again, boilerplate code -- see the PDFClownSampleLoader class source code)!
    loader.serialize(file,this.getClass().getSimpleName(),false);
  }

  /**
    Populates a PDF file with contents.
  */
  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.getPages().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 Point2D.Double(32,48)
      );

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