PrintingServices.cs :  » 2.6.4-mono-.net-core » System.Drawing » System » Drawing » Printing » C# / CSharp Open Source

//
// Copyright (C) 2005 Novell, Inc. http://www.novell.com
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Author:
//
//  Jordi Mas i Hernandez, jordimash@gmail.com
//

using System.Runtime.InteropServices;
using System.Collections;
using System.Drawing.Printing;
using System.ComponentModel;
using System.Drawing.Imaging;

namespace System.Drawing.Printing{
  /// <summary>
  /// This class is designed to cache the values retrieved by the 
  /// native printing services, as opposed to GlobalPrintingServices, which
  /// doesn't cache any values.
  /// </summary>
  internal abstract class PrintingServices
  {
    #region Properties
    internal abstract string DefaultPrinter { get; }
    #endregion

    #region Methods
    internal abstract bool IsPrinterValid(string printer);
    internal abstract void LoadPrinterSettings (string printer, PrinterSettings settings);
    internal abstract void LoadPrinterResolutions (string printer, PrinterSettings settings);

    // Used from SWF
    internal abstract void GetPrintDialogInfo (string printer, ref string port, ref string type, ref string status, ref string comment);
    
    internal void LoadDefaultResolutions (PrinterSettings.PrinterResolutionCollection col)
    {
      col.Add (new PrinterResolution ((int) PrinterResolutionKind.High, -1, PrinterResolutionKind.High));
      col.Add (new PrinterResolution ((int) PrinterResolutionKind.Medium, -1, PrinterResolutionKind.Medium));
      col.Add (new PrinterResolution ((int) PrinterResolutionKind.Low, -1, PrinterResolutionKind.Low));
      col.Add (new PrinterResolution ((int) PrinterResolutionKind.Draft, -1, PrinterResolutionKind.Draft));
    }
    #endregion
  }
  
  internal abstract class GlobalPrintingServices
  {
    #region Properties
    internal abstract PrinterSettings.StringCollection InstalledPrinters { get; }
    #endregion

    #region Methods
    internal abstract IntPtr CreateGraphicsContext (PrinterSettings settings, PageSettings page_settings);

    internal abstract bool StartDoc (GraphicsPrinter gr, string doc_name, string output_file);
    internal abstract bool StartPage (GraphicsPrinter gr);
    internal abstract bool EndPage (GraphicsPrinter gr);
    internal abstract bool EndDoc (GraphicsPrinter gr);
    #endregion
  
  }

  internal class SysPrn
  {
    static GlobalPrintingServices global_printing_services;
    static bool is_unix;

    static SysPrn ()
    {
      is_unix = GDIPlus.RunningOnUnix ();
    }
    
    internal static PrintingServices CreatePrintingService () {
      if (is_unix)
        return new PrintingServicesUnix ();
      return new PrintingServicesWin32 ();        
    }      

    internal static GlobalPrintingServices GlobalService {
      get {
        if (global_printing_services == null) {
          if (is_unix)
            global_printing_services = new GlobalPrintingServicesUnix ();
          else
            global_printing_services = new GlobalPrintingServicesWin32 ();
        }

        return global_printing_services;
      }
    }

    internal static void GetPrintDialogInfo (string printer, ref string port, ref string type, ref string status, ref string comment) 
    {
      CreatePrintingService().GetPrintDialogInfo (printer, ref port, ref type, ref status, ref comment);
    }

    internal class Printer {
      public readonly string Name;
      public readonly string Comment;
      public readonly string Port;
      public readonly string Type;
      public readonly string Status;
      public PrinterSettings Settings;
      public bool IsDefault;
      
      public Printer (string port, string type, string status, string comment) {
        Port = port;
        Type = type;
        Status = status;
        Comment = comment;
      }
    }
  }
  
  internal class GraphicsPrinter
  {
    private  Graphics graphics;
    private IntPtr  hDC;
     
    internal GraphicsPrinter (Graphics gr, IntPtr dc)
    {
      graphics = gr;
      hDC = dc;
    }
            
    internal Graphics Graphics { 
      get { return graphics; }
      set { graphics = value; }
    }
    internal IntPtr Hdc { get { return hDC; }}
  }
}