class/System.Drawing/System.Drawing.Printing/PrintingServices.cs

   1 //
   2 // Copyright (C) 2005 Novell, Inc. http://www.novell.com
   3 //
   4 // Permission is hereby granted, free of charge, to any person obtaining
   5 // a copy of this software and associated documentation files (the
   6 // "Software"), to deal in the Software without restriction, including
   7 // without limitation the rights to use, copy, modify, merge, publish,
   8 // distribute, sublicense, and/or sell copies of the Software, and to
   9 // permit persons to whom the Software is furnished to do so, subject to
  10 // the following conditions:
  11 //
  12 // The above copyright notice and this permission notice shall be
  13 // included in all copies or substantial portions of the Software.
  14 //
  15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  19 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  20 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  21 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22 //
  23 // Author:
  24 //
  25 //      Jordi Mas i Hernandez, jordimash@gmail.com
  26 //
  27
  28 using System.Runtime.InteropServices;
  29 using System.Collections;
  30 using System.Drawing.Printing;
  31 using System.ComponentModel;
  32 using System.Drawing.Imaging;
  33
  34 namespace System.Drawing.Printing
  35 {
  36         /// <summary>
  37         /// This class is designed to cache the values retrieved by the
  38         /// native printing services, as opposed to GlobalPrintingServices, which
  39         /// doesn't cache any values.
  40         /// </summary>
  41         internal abstract class PrintingServices
  42         {
  43                 #region Properties
  44                 internal abstract string DefaultPrinter { get; }
  45                 #endregion
  46
  47                 #region Methods
  48                 internal abstract bool IsPrinterValid(string printer);
  49                 internal abstract void LoadPrinterSettings (string printer, PrinterSettings settings);
  50                 internal abstract void LoadPrinterResolutions (string printer, PrinterSettings settings);
  51
  52                 // Used from SWF
  53                 internal abstract void GetPrintDialogInfo (string printer, ref string port, ref string type, ref string status, ref string comment);
  54
  55                 internal void LoadDefaultResolutions (PrinterSettings.PrinterResolutionCollection col)
  56                 {
  57                         col.Add (new PrinterResolution ((int) PrinterResolutionKind.High, -1, PrinterResolutionKind.High));
  58                         col.Add (new PrinterResolution ((int) PrinterResolutionKind.Medium, -1, PrinterResolutionKind.Medium));
  59                         col.Add (new PrinterResolution ((int) PrinterResolutionKind.Low, -1, PrinterResolutionKind.Low));
  60                         col.Add (new PrinterResolution ((int) PrinterResolutionKind.Draft, -1, PrinterResolutionKind.Draft));
  61                 }
  62                 #endregion
  63         }
  64
  65         internal abstract class GlobalPrintingServices
  66         {
  67                 #region Properties
  68                 internal abstract PrinterSettings.StringCollection InstalledPrinters { get; }
  69                 #endregion
  70
  71                 #region Methods
  72                 internal abstract IntPtr CreateGraphicsContext (PrinterSettings settings, PageSettings page_settings);
  73
  74                 internal abstract bool StartDoc (GraphicsPrinter gr, string doc_name, string output_file);
  75                 internal abstract bool StartPage (GraphicsPrinter gr);
  76                 internal abstract bool EndPage (GraphicsPrinter gr);
  77                 internal abstract bool EndDoc (GraphicsPrinter gr);
  78                 #endregion
  79
  80         }
  81
  82         internal class SysPrn
  83         {
  84                 static GlobalPrintingServices global_printing_services;
  85                 static bool is_unix;
  86
  87                 static SysPrn ()
  88                 {
  89                         is_unix = GDIPlus.RunningOnUnix ();
  90                 }
  91
  92                 internal static PrintingServices CreatePrintingService () {
  93                         if (is_unix)
  94                                 return new PrintingServicesUnix ();
  95                         return new PrintingServicesWin32 ();
  96                 }
  97
  98                 internal static GlobalPrintingServices GlobalService {
  99                         get {
 100                                 if (global_printing_services == null) {
 101                                         if (is_unix)
 102                                                 global_printing_services = new GlobalPrintingServicesUnix ();
 103                                         else
 104                                                 global_printing_services = new GlobalPrintingServicesWin32 ();
 105                                 }
 106
 107                                 return global_printing_services;
 108                         }
 109                 }
 110
 111                 internal static void GetPrintDialogInfo (string printer, ref string port, ref string type, ref string status, ref string comment)
 112                 {
 113                         CreatePrintingService().GetPrintDialogInfo (printer, ref port, ref type, ref status, ref comment);
 114                 }
 115
 116                 internal class Printer {
 117                         public readonly string Name;
 118                         public readonly string Comment;
 119                         public readonly string Port;
 120                         public readonly string Type;
 121                         public readonly string Status;
 122                         public PrinterSettings Settings;
 123                         public bool IsDefault;
 124
 125                         public Printer (string port, string type, string status, string comment) {
 126                                 Port = port;
 127                                 Type = type;
 128                                 Status = status;
 129                                 Comment = comment;
 130                         }
 131                 }
 132         }
 133
 134         internal class GraphicsPrinter
 135         {
 136                 private Graphics graphics;
 137                 private IntPtr  hDC;
 138
 139                 internal GraphicsPrinter (Graphics gr, IntPtr dc)
 140                 {
 141                         graphics = gr;
 142                         hDC = dc;
 143                 }
 144
 145                 internal Graphics Graphics {
 146                         get { return graphics; }
 147                         set { graphics = value; }
 148                 }
 149                 internal IntPtr Hdc { get { return hDC; }}
 150         }
 151 }
 152
 153