using System;
using System.IO;
using System.Data;
using System.Text;
using System.Drawing.Imaging;
using System.Drawing.Printing;
using System.Collections.Generic;
using System.Windows.Forms;
using Microsoft.Reporting.WinForms;

public class stampaSchedaIdent : IDisposable
{
    private int m_currentPageIndex;
    private IList<Stream> m_streams;

    /// <summary>
    /// carica i dati richiesti dal report dalla StoredProcedure (filtrando quindi...)
    /// </summary>
    /// <param name="idxObj"></param>
    /// <returns></returns>
    private DataTable caricaDati(string idxObj)
    {
        PrintLocalReport.DS_applicazioneTableAdapters.sp_schedaIdentTableAdapter taSp = new PrintLocalReport.DS_applicazioneTableAdapters.sp_schedaIdentTableAdapter();
        return (DataTable)taSp.GetData(idxObj);
    }
    /// <summary>
    /// ciclo da fornire al renderizzatore dei report, per salvare 1 immagine da ogni pagina del report
    /// </summary>
    /// <param name="name"></param>
    /// <param name="fileNameExtension"></param>
    /// <param name="encoding"></param>
    /// <param name="mimeType"></param>
    /// <param name="willSeek"></param>
    /// <returns></returns>
    private Stream CreateStream(string name, string fileNameExtension, Encoding encoding, string mimeType, bool willSeek)
    {
        Stream stream = new FileStream(@"..\..\" + name + "." + fileNameExtension, FileMode.Create);
        m_streams.Add(stream);
        return stream;
    }
    /// <summary>
    /// Export del report come EMF (Enhanced Metafile) file.
    /// </summary>
    /// <param name="report"></param>
    private void Export(LocalReport report)
    {
        string deviceInfo =
          "<DeviceInfo>" +
          "  <OutputFormat>EMF</OutputFormat>" +
          "  <PageWidth>25cm</PageWidth>" +
          "  <PageHeight>17.6cm</PageHeight>" +
          "  <MarginTop>0.2cm</MarginTop>" +
          "  <MarginLeft>0.2cm</MarginLeft>" +
          "  <MarginRight>0.2cm</MarginRight>" +
          "  <MarginBottom>0.2cm</MarginBottom>" +
          "</DeviceInfo>";
        Warning[] warnings;
        m_streams = new List<Stream>();
        report.Render("Image", deviceInfo, CreateStream, out warnings);
        foreach (Stream stream in m_streams) stream.Position = 0;
    }
    /// <summary>
    /// Handler per PrintPageEvents
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="ev"></param>
    private void PrintPage(object sender, PrintPageEventArgs ev)
    {
        Metafile pageImage = new Metafile(m_streams[m_currentPageIndex]);
        ev.Graphics.DrawImage(pageImage, ev.PageBounds);
        m_currentPageIndex++;
        ev.HasMorePages = (m_currentPageIndex < m_streams.Count);
    }
    /// <summary>
    /// funzione di stampa...
    /// </summary>
    private void Print()
    {
        //const string printerName = "Microsoft Office Document Image Writer";
        const string printerName = "Brother HL-2170W series";
        if (m_streams == null || m_streams.Count == 0)
            return;
        PrintDocument printDoc = new PrintDocument();
        printDoc.PrinterSettings.PrinterName = printerName;
        if (!printDoc.PrinterSettings.IsValid)
        {
            string msg = String.Format(
               "Can't find printer \"{0}\".", printerName);
            MessageBox.Show(msg, "Print Error");
            return;
        }
        printDoc.PrintPage += new PrintPageEventHandler(PrintPage);
        printDoc.Print();
    }
    // Create a local report for Report.rdlc, load the data,
    //    export the report to an .emf file, and print it.
    private void Run(string idxObjRich)
    {
        LocalReport report = new LocalReport();
        report.ReportPath = @"..\..\ReportSchedaIdentificazione.rdlc";
        report.DataSources.Add(new ReportDataSource("Equa", caricaDati(idxObjRich)));
        ReportParameter[] idxObj = { new ReportParameter("IdxObj", idxObjRich) };
        report.SetParameters(idxObj);
        Export(report);
        m_currentPageIndex = 0;
        Print();
    }
    /// <summary>
    /// dispone l'applicazione e rilascia le risorse
    /// </summary>
    public void Dispose()
    {
        if (m_streams != null)
        {
            foreach (Stream stream in m_streams)
                stream.Close();
            m_streams = null;
        }
    }

    public static void Main(string[] args)
    {
        using (stampaSchedaIdent stampaScheda = new stampaSchedaIdent())
        {
            stampaScheda.Run(args[0]);
        }
    }
}