* OleDbParameterCollectionTest.cs: Fix compile error in 1.1 profile.
[mono.git] / mcs / class / System.Drawing / System.Drawing.Printing / PrintingServicesUnix.cs
index f9e0f8fc6129b07428e482bc6c19cd2f7affe5e5..57cf437bf86b97ba064c779b688d9c577f2285d3 100644 (file)
@@ -1,5 +1,6 @@
+//#define PrintDebug
 //
-// Copyright (C) 2005 Novell, Inc. http://www.novell.com
+// Copyright (C) 2005, 2007 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
 
 using System.Runtime.InteropServices;
 using System.Collections;
+using System.Collections.Specialized;
 using System.Drawing.Printing;
 using System.ComponentModel;
 using System.Drawing.Imaging;
 using System.Text;
+using System.IO;
 
 namespace System.Drawing.Printing
 {
        internal class PrintingServicesUnix : PrintingServices
        {
-               private Hashtable doc_info = new Hashtable ();
+               #region Private Fields
+               
+               private static Hashtable doc_info = new Hashtable ();
+               private static bool cups_installed;
+               
+               private string printer_name;
+               
+               private static Hashtable installed_printers;
+               private static string default_printer = String.Empty;
+                               
+               #endregion
+
+               #region Constructor
+
+               internal PrintingServicesUnix () {
+               }
+               
+               static PrintingServicesUnix () {
+                       installed_printers = new Hashtable ();
+                       CheckCupsInstalled ();
+               }
+               
+               #endregion
+
+               #region Properties
+
+               internal static PrinterSettings.StringCollection InstalledPrinters {
+                       get {
+                               LoadPrinters();
+                               PrinterSettings.StringCollection list = new PrinterSettings.StringCollection (new string[] {});
+                               foreach (object key in installed_printers.Keys) {
+                                       list.Add (key.ToString());
+                               }
+                               return list;
+                       }
+               }
 
-               internal PrintingServicesUnix ()
+               internal override string DefaultPrinter {
+                       get {
+                               if (installed_printers.Count == 0)
+                                       LoadPrinters();
+                               return default_printer;
+                       }
+               }
+               
+               #endregion
+
+
+               #region Methods
+
+               /// <summary>
+               /// Do a cups call to check if it is installed
+               /// </summary>
+               private static void CheckCupsInstalled ()
                {
+                       try {
+                               cupsGetDefault ();
+                       }
+                       catch (DllNotFoundException) {
+                               Console.WriteLine("libcups not found. To have printing support, you need cups installed");
+                               cups_installed = false;
+                               return;
+                       }
 
+                       cups_installed = true;
                }
 
-               // Methods
+               /// <summary>
+               /// Open the printer's PPD file
+               /// </summary>
+               /// <param name="printer">Printer name, returned from cupsGetDests</param>
+               private IntPtr OpenPrinter (string printer)
+               {
+                       try {
+                               IntPtr ptr = cupsGetPPD (printer);
+                               string ppd_filename = Marshal.PtrToStringAnsi (ptr);
+                               IntPtr ppd_handle = ppdOpenFile (ppd_filename);
+                               return ppd_handle;
+                       }
+                       catch (Exception ex) {
+                               Console.WriteLine ("There was an error opening the printer {0}. Please check your cups installation.");
+#if DEBUG
+                               Console.WriteLine (ex.Message);
+#endif
+                       }
+                       return IntPtr.Zero;
+               }
+
+               /// <summary>
+               /// Close the printer file
+               /// </summary>
+               /// <param name="handle">PPD handle</param>
+               private void ClosePrinter (ref IntPtr handle)
+               {
+                       try {
+                               if (handle != IntPtr.Zero)
+                                       ppdClose (handle);
+                       }
+                       finally {
+                               handle = IntPtr.Zero;
+                       }
+               }
+
+               private static int OpenDests (ref IntPtr ptr) {
+                       try {
+                               return cupsGetDests (ref ptr);
+                       }
+                       catch {
+                               ptr = IntPtr.Zero;
+                       }
+                       return 0;
+               }
+
+               private static void CloseDests (ref IntPtr ptr, int count) {
+                       try {
+                               if (ptr != IntPtr.Zero)
+                                       cupsFreeDests (count, ptr);
+                       }
+                       finally {
+                               ptr = IntPtr.Zero;
+                       }
+               }
+
+               /// <summary>
+               /// Checks if a printer has a valid PPD file. Caches the result unless force is true
+               /// </summary>
+               /// <param name="force">Does the check disregarding the last cached value if true</param>
+               internal override bool IsPrinterValid(string printer)
+               {
+                       if (!cups_installed || printer == null | printer == String.Empty)
+                               return false;
+                               
+                       return installed_printers.Contains (printer);
+/*
+                       if (!force && this.printer_name != null && String.Intern(this.printer_name).Equals(printer))
+                               return is_printer_valid;
+
+                       IntPtr ptr = cupsGetPPD (printer);
+                       string ppd_filename = Marshal.PtrToStringAnsi (ptr);
+                       is_printer_valid = ppd_filename != null;
+                       this.printer_name = printer; 
+                       return is_printer_valid;
+*/                     
+               }
+       
+               /// <summary>
+               /// Loads the printer settings and initializes the PrinterSettings and PageSettings fields
+               /// </summary>
+               /// <param name="printer">Printer name</param>
+               /// <param name="settings">PrinterSettings object to initialize</param>
                internal override void LoadPrinterSettings (string printer, PrinterSettings settings)
                {
-                       IntPtr ptr, ppd_handle;
-                       string ppd_filename;
+                       if (cups_installed == false || (printer == null) || (printer == String.Empty))
+                               return;
+
+                       if (installed_printers.Count == 0)
+                               LoadPrinters ();
+
+                       if (((SysPrn.Printer)installed_printers[printer]).Settings != null) {
+                               SysPrn.Printer p = (SysPrn.Printer) installed_printers[printer];
+                               settings.can_duplex = p.Settings.can_duplex;
+                               settings.is_plotter = p.Settings.is_plotter;
+                               settings.landscape_angle = p.Settings.landscape_angle;
+                               settings.maximum_copies = p.Settings.maximum_copies;
+                               settings.paper_sizes = p.Settings.paper_sizes;
+                               settings.paper_sources = p.Settings.paper_sources;
+                               settings.printer_capabilities = p.Settings.printer_capabilities;
+                               settings.printer_resolutions = p.Settings.printer_resolutions;
+                               settings.supports_color = p.Settings.supports_color;
+                               return;
+                       }
+
+                       settings.PrinterCapabilities.Clear ();
+
+                       IntPtr dests = IntPtr.Zero, ptr = IntPtr.Zero, ptr_printer, ppd_handle = IntPtr.Zero;
+                       string name = String.Empty;
+                       CUPS_DESTS printer_dest;
                        PPD_FILE ppd;
+                       int ret = 0, cups_dests_size;
+                       NameValueCollection options, paper_names, paper_sources;
+
+                       try {
+                               ret = OpenDests (ref dests);
+                               if (ret == 0)
+                                       return;
+
+                               cups_dests_size = Marshal.SizeOf (typeof(CUPS_DESTS));
+                               ptr = dests;
+                               for (int i = 0; i < ret; i++) {
+                                       ptr_printer = (IntPtr) Marshal.ReadInt32 (ptr);
+                                       if (Marshal.PtrToStringAnsi (ptr_printer).Equals(printer)) {
+                                               name = printer;
+                                               break;
+                                       }
+                                       ptr = (IntPtr) ((long)ptr + cups_dests_size);
+                               }
+                       
+                               if (!name.Equals(printer)) {
+                                       return;
+                               }
+
+                               ppd_handle = OpenPrinter (printer);
+                               if (ppd_handle == IntPtr.Zero)
+                                       return;
+
+                               printer_dest = (CUPS_DESTS) Marshal.PtrToStructure (ptr, typeof (CUPS_DESTS));
+                               options = new NameValueCollection();
+                               paper_names = new NameValueCollection();
+                               paper_sources = new NameValueCollection();
+                               LoadPrinterOptions(printer_dest.options, printer_dest.num_options, ppd_handle, options, paper_names, paper_sources);
+                       
+                               if (settings.paper_sizes == null)
+                                       settings.paper_sizes = new PrinterSettings.PaperSizeCollection (new PaperSize [] {});
+                               else
+                                       settings.paper_sizes.Clear();
+                       
+                               if (settings.paper_sources == null)                             
+                                       settings.paper_sources = new PrinterSettings.PaperSourceCollection (new PaperSource [] {});
+                               else
+                                       settings.paper_sources.Clear();
+                       
+                               string defsource = options["InputSlot"];
+                               string defsize = options["PageSize"];
+                       
+                               settings.DefaultPageSettings.PaperSource = LoadPrinterPaperSources (settings, defsource, paper_sources);
+                               settings.DefaultPageSettings.PaperSize = LoadPrinterPaperSizes (ppd_handle, settings, defsize, paper_names);
+                       
+                               ppd = (PPD_FILE) Marshal.PtrToStructure (ppd_handle, typeof (PPD_FILE));
+                               settings.landscape_angle = ppd.landscape;
+                               settings.supports_color = (ppd.color_device == 0) ? false : true;
+                               settings.can_duplex = options["Duplex"] != null;
+                       
+                               ClosePrinter (ref ppd_handle);
+                       
+                               ((SysPrn.Printer)installed_printers[printer]).Settings = settings;
+                       }
+                       finally {
+                               CloseDests (ref dests, ret);
+                       }
+               }
+               
+               /// <summary>
+               /// Loads the global options of a printer plus the paper types and trays supported.
+               /// </summary>
+               /// <param name="options">The options field of a printer's CUPS_DESTS structure</param>
+               /// <param name="numOptions">The number of options of the printer</param>
+               /// <param name="ppd">A ppd handle for the printer, returned by ppdOpen</param>
+               /// <param name="list">The list of options</param>
+               /// <param name="paper_names">A list of types of paper (PageSize)</param>
+               /// <param name="paper_sources">A list of trays(InputSlot) </param>
+               private static void LoadPrinterOptions(IntPtr options, int numOptions, IntPtr ppd, 
+                                                                                NameValueCollection list, 
+                                                                                NameValueCollection paper_names,
+                                                                                NameValueCollection paper_sources)
+               {
+                       CUPS_OPTIONS cups_options;
+                       string option_name, option_value;
+                       int cups_size = Marshal.SizeOf(typeof(CUPS_OPTIONS));
+                       
+                       for (int j = 0; j < numOptions; j++)
+                       {
+                               cups_options = (CUPS_OPTIONS) Marshal.PtrToStructure(options, typeof(CUPS_OPTIONS));
+                               option_name = Marshal.PtrToStringAnsi(cups_options.name);
+                               option_value = Marshal.PtrToStringAnsi(cups_options.val);
+
+                               #if PrintDebug
+                               Console.WriteLine("{0} = {1}", option_name, option_value);
+                               #endif
+                               
+                               list.Add(option_name, option_value);
+
+                               options = (IntPtr) ((long)options + cups_size);
+                       }
+                       
+                       LoadOptionList (ppd, "PageSize", paper_names);
+                       LoadOptionList (ppd, "InputSlot", paper_sources);
+               }
+               
+               /// <summary>
+               /// Loads the global options of a printer. 
+               /// </summary>
+               /// <param name="options">The options field of a printer's CUPS_DESTS structure</param>
+               /// <param name="numOptions">The number of options of the printer</param>
+               private static NameValueCollection LoadPrinterOptions(IntPtr options, int numOptions)
+               {
+                       CUPS_OPTIONS cups_options;
+                       string option_name, option_value;
+                       int cups_size = Marshal.SizeOf (typeof(CUPS_OPTIONS));
+                       NameValueCollection list = new NameValueCollection ();
+                       for (int j = 0; j < numOptions; j++)
+                       {
+                               cups_options = (CUPS_OPTIONS) Marshal.PtrToStructure(options, typeof(CUPS_OPTIONS));
+                               option_name = Marshal.PtrToStringAnsi (cups_options.name);
+                               option_value = Marshal.PtrToStringAnsi (cups_options.val);
+                               
+                               #if PrintDebug
+                               Console.WriteLine("{0} = {1}", option_name, option_value);
+                               #endif
+                               
+                               list.Add (option_name, option_value);
+
+                               options = (IntPtr) ((long)options + cups_size);
+                       }
+                       return list;
+               }
 
-                       ptr = cupsGetPPD (printer);
-                       ppd_filename = Marshal.PtrToStringAnsi (ptr);
-                       ppd_handle = ppdOpenFile (ppd_filename);
-                       //Console.WriteLine ("File: {0}", ppd_filename);
+               /// <summary>
+               /// Loads a printer's options (selection of paper sizes, paper sources, etc)
+               /// </summary>
+               /// <param name="ppd">Printer ppd file handle</param>
+               /// <param name="option_name">Name of the option group to load</param>
+               /// <param name="list">List of loaded options</param>
+               private static void LoadOptionList(IntPtr ppd, string option_name, NameValueCollection list) {
 
-                       ppd = (PPD_FILE) Marshal.PtrToStructure (ppd_handle, typeof (PPD_FILE));
-                       settings.landscape_angle = ppd.landscape;
-                       settings.supports_color = (ppd.color_device == 0) ? false : true;
-                       ppdClose (ppd_handle);
+                       IntPtr ptr = IntPtr.Zero;
+                       PPD_OPTION ppd_option;
+                       PPD_CHOICE choice;
+                       int choice_size = Marshal.SizeOf(typeof(PPD_CHOICE)); 
+                       
+                       ptr = ppdFindOption (ppd, option_name);
+                       if (ptr != IntPtr.Zero)
+                       {
+                               ppd_option = (PPD_OPTION) Marshal.PtrToStructure (ptr, typeof (PPD_OPTION));
+                               #if PrintDebug
+                               Console.WriteLine (" OPTION  key:{0} def:{1} text: {2}", ppd_option.keyword, ppd_option.defchoice, ppd_option.text);
+                               #endif
+
+                               ptr = ppd_option.choices;
+                               for (int c = 0; c < ppd_option.num_choices; c++) {
+                                       choice = (PPD_CHOICE) Marshal.PtrToStructure (ptr, typeof (PPD_CHOICE));
+                                       list.Add(choice.choice, choice.text);
+                                       #if PrintDebug
+                                       Console.WriteLine ("       choice:{0} - text: {1}", choice.choice, choice.text);
+                                       #endif
+
+                                       ptr = (IntPtr) ((long)ptr + choice_size);
+                               }
+                       }               
                }
 
+               /// <summary>
+               /// Loads a printer's available resolutions
+               /// </summary>
+               /// <param name="printer">Printer name</param>
+               /// <param name="settings">PrinterSettings object to fill</param>
                internal override void LoadPrinterResolutions (string printer, PrinterSettings settings)
                {
                        settings.PrinterResolutions.Clear ();
                        LoadDefaultResolutions (settings.PrinterResolutions);
                }
 
-               internal override void LoadPrinterPaperSizes (string printer, PrinterSettings settings)
+               /// <summary>
+               /// Loads a printer's paper sizes. Returns the default PaperSize, and fills a list of paper_names for use in dialogues
+               /// </summary>
+               /// <param name="ppd_handle">PPD printer file handle</param>
+               /// <param name="settings">PrinterSettings object to fill</param>
+               /// <param name="def_size">Default paper size, from the global options of the printer</param>
+               /// <param name="paper_names">List of available paper sizes that gets filled</param>
+               private PaperSize LoadPrinterPaperSizes(IntPtr ppd_handle, PrinterSettings settings, 
+                                                                                               string def_size, NameValueCollection paper_names)
                {
-                       IntPtr ptr, ppd_handle;
-                       string ppd_filename, real_name;
+                       IntPtr ptr;
+                       string real_name;
                        PPD_FILE ppd;
                        PPD_SIZE size;
                        PaperSize ps;
-                       PaperKind kind = PaperKind.Custom;
-
-                       settings.PaperSizes.Clear ();
-
-                       ptr = cupsGetPPD (printer);
-                       ppd_filename = Marshal.PtrToStringAnsi (ptr);
-                       ppd_handle = ppdOpenFile (ppd_filename);
 
+                       PaperSize defsize = null;
                        ppd = (PPD_FILE) Marshal.PtrToStructure (ppd_handle, typeof (PPD_FILE));
                        ptr = ppd.sizes;
                        float w, h;
                        for (int i = 0; i < ppd.num_sizes; i++) {
                                size = (PPD_SIZE) Marshal.PtrToStructure (ptr, typeof (PPD_SIZE));
-                               real_name = GetPaperSizeName (ppd, size.name);
-                               ptr = new IntPtr (ptr.ToInt64 () + Marshal.SizeOf (size));
-
+                               real_name = paper_names[size.name];
                                w = size.width * 100 / 72;
                                h = size.length * 100 / 72;
-                               ps = new PaperSize (real_name, (int) w, (int) h);
-                               // TODO: Convert from name to paper kind enum
-                               ps.SetKind (kind);
-                               settings.PaperSizes.Add (ps);
+                               ps = new PaperSize (real_name, (int) w, (int) h, GetPaperKind ((int) w, (int) h), def_size == real_name);
+                               if (def_size == real_name)
+                                       defsize = ps;
+                               ps.SetKind (GetPaperKind ((int) w, (int) h));
+                               settings.paper_sizes.Add (ps);
+                               ptr = (IntPtr) ((long)ptr + Marshal.SizeOf (size));
                        }
+                       
+                       return defsize;
 
-                       ppdClose (ppd_handle);
+               }
+               
+               /// <summary>
+               /// Loads a printer's paper sources (trays). Returns the default PaperSource, and fills a list of paper_sources for use in dialogues
+               /// </summary>
+               /// <param name="settings">PrinterSettings object to fill</param>
+               /// <param name="def_source">Default paper source, from the global options of the printer</param>
+               /// <param name="paper_sources">List of available paper sizes that gets filled</param>
+               private PaperSource LoadPrinterPaperSources (PrinterSettings settings, string def_source, 
+                                                                                                       NameValueCollection paper_sources)
+               {
+                       PaperSourceKind kind;
+                       PaperSource defsource = null;
+                       foreach(string source in paper_sources) {
+                               switch (source)
+                               {
+                                       case "Tray":
+                                               kind = PaperSourceKind.AutomaticFeed;
+                                               break;
+                                       case "Envelope":
+                                               kind = PaperSourceKind.Envelope;
+                                               break;
+                                       case "Manual":
+                                               kind = PaperSourceKind.Manual;
+                                               break;
+                                       default:
+                                               kind = PaperSourceKind.Custom;
+                                               break;
+                               }
+                               settings.paper_sources.Add (new PaperSource (paper_sources[source], kind, def_source == source));
+                               if (def_source == source)
+                                       defsource = settings.paper_sources[settings.paper_sources.Count-1];
+                       }
+                       
+                       if (defsource == null && settings.paper_sources.Count > 0)
+                               return settings.paper_sources[0];
+                       return defsource;
                }
 
-               internal override bool StartPage (GraphicsPrinter gr)
+               /// <summary>
+               /// </summary>
+               /// <param name="load"></param>
+               /// <param name="def_printer"></param>
+               private static void LoadPrinters()
                {
-                       return true;
+                       installed_printers.Clear ();            
+                       if (cups_installed == false)
+                               return;
+                       
+                       IntPtr dests = IntPtr.Zero, ptr_printers;
+                       CUPS_DESTS printer;
+                       int n_printers = 0;
+                       int cups_dests_size = Marshal.SizeOf(typeof(CUPS_DESTS));
+                       string name, first, type, status, comment;
+                       first = type = status = comment = String.Empty;
+                       int state = 0;
+                       
+                       try {
+                               n_printers = OpenDests (ref dests);
+
+                               ptr_printers = dests;
+                               for (int i = 0; i < n_printers; i++) {
+                                       printer = (CUPS_DESTS) Marshal.PtrToStructure (ptr_printers, typeof (CUPS_DESTS));
+                                       name = Marshal.PtrToStringAnsi (printer.name);
+
+                                       if (printer.is_default == 1)
+                                               default_printer = name;
+                               
+                                       if (first.Equals (String.Empty))
+                                               first = name;
+                       
+                                       NameValueCollection options = LoadPrinterOptions(printer.options, printer.num_options);
+                               
+                                       if (options["printer-state"] != null)
+                                               state = Int32.Parse(options["printer-state"]);
+                               
+                                       if (options["printer-comment"] != null)
+                                               comment = options["printer-state"];
+
+                                       switch(state) {
+                                               case 4:
+                                                       status = "Printing";
+                                                       break;
+                                               case 5:
+                                                       status = "Stopped";
+                                                       break;
+                                               default:
+                                                       status =  "Ready";
+                                                       break;
+                                       }
+                               
+                                       installed_printers.Add (name, new SysPrn.Printer (String.Empty, type, status, comment));
+
+                                       ptr_printers = (IntPtr) ((long)ptr_printers + cups_dests_size);
+                               }
+                       
+                       }
+                       finally {
+                               CloseDests (ref dests, n_printers);
+                       }
+                       
+                       if (default_printer.Equals (String.Empty))
+                               default_printer = first;
                }
 
-               internal override bool EndPage (GraphicsPrinter gr)
+               /// <summary>
+               /// Gets a printer's settings for use in the print dialogue
+               /// </summary>
+               /// <param name="printer"></param>
+               /// <param name="port"></param>
+               /// <param name="type"></param>
+               /// <param name="status"></param>
+               /// <param name="comment"></param>
+               internal override void GetPrintDialogInfo (string printer, ref string port, ref string type, ref string status, ref string comment) {
+                       int count = 0, state = -1;
+                       bool found = false;
+                       CUPS_DESTS cups_dests;
+                       IntPtr dests = IntPtr.Zero, ptr_printers, ptr_printer;
+                       int cups_dests_size = Marshal.SizeOf(typeof(CUPS_DESTS));
+                       
+                       if (cups_installed == false)
+                               return;
+
+                       try {
+                               count = OpenDests (ref dests);
+
+                               if (count == 0)
+                                       return;
+
+                               ptr_printers = dests;
+
+                               for (int i = 0; i < count; i++) {
+                                       ptr_printer = (IntPtr) Marshal.ReadInt32 (ptr_printers);
+                                       if (Marshal.PtrToStringAnsi (ptr_printer).Equals(printer)) {
+                                               found = true;
+                                               break;
+                                       }
+                                       ptr_printers = (IntPtr) ((long)ptr_printers + cups_dests_size);                         
+                               }
+                       
+                               if (!found)
+                                       return;
+                       
+                               cups_dests = (CUPS_DESTS) Marshal.PtrToStructure (ptr_printers, typeof (CUPS_DESTS));
+                       
+                               NameValueCollection options = LoadPrinterOptions(cups_dests.options, cups_dests.num_options);
+
+                               if (options["printer-state"] != null)
+                                       state = Int32.Parse(options["printer-state"]);
+                       
+                               if (options["printer-comment"] != null)
+                                       comment = options["printer-state"];
+
+                               switch(state) {
+                                       case 4:
+                                               status = "Printing";
+                                               break;
+                                       case 5:
+                                               status = "Stopped";
+                                               break;
+                                       default:
+                                               status =  "Ready";
+                                               break;
+                               }
+                       }
+                       finally {
+                               CloseDests (ref dests, count);
+                       }
+               }
+
+               /// <summary>
+               /// Returns the appropriate PaperKind for the width and height
+               /// </summary>
+               /// <param name="width"></param>
+               /// <param name="height"></param>
+               private PaperKind GetPaperKind (int width, int height)
                {
-                       GdipGetPostScriptSavePage (gr.Hdc);
+                       if (width == 827 && height == 1169)
+                               return PaperKind.A4;
+                       if (width == 583 && height == 827)
+                               return PaperKind.A5;
+                       if (width == 717 && height == 1012)
+                               return PaperKind.B5;
+                       if (width == 693 && height == 984)
+                               return PaperKind.B5Envelope;
+                       if (width == 638 && height == 902)
+                               return PaperKind.C5Envelope;
+                       if (width == 449 && height == 638)
+                               return PaperKind.C6Envelope;
+                       if (width == 1700 && height == 2200)
+                               return PaperKind.CSheet;
+                       if (width == 433 && height == 866)
+                               return PaperKind.DLEnvelope;
+                       if (width == 2200 && height == 3400)
+                               return PaperKind.DSheet;
+                       if (width == 3400 && height == 4400)
+                               return PaperKind.ESheet;
+                       if (width == 725 && height == 1050)
+                               return PaperKind.Executive;
+                       if (width == 850 && height == 1300)
+                               return PaperKind.Folio;
+                       if (width == 850 && height == 1200)
+                               return PaperKind.GermanStandardFanfold;
+                       if (width == 1700 && height == 1100)
+                               return PaperKind.Ledger;
+                       if (width == 850 && height == 1400)
+                               return PaperKind.Legal;
+                       if (width == 927 && height == 1500)
+                               return PaperKind.LegalExtra;
+                       if (width == 850 && height == 1100)
+                               return PaperKind.Letter;
+                       if (width == 927 && height == 1200)
+                               return PaperKind.LetterExtra;
+                       if (width == 850 && height == 1269)
+                               return PaperKind.LetterPlus;
+                       if (width == 387 && height == 750)
+                               return PaperKind.MonarchEnvelope;
+                       if (width == 387 && height == 887)
+                               return PaperKind.Number9Envelope;
+                       if (width == 413 && height == 950)
+                               return PaperKind.Number10Envelope;
+                       if (width == 450 && height == 1037)
+                               return PaperKind.Number11Envelope;
+                       if (width == 475 && height == 1100)
+                               return PaperKind.Number12Envelope;
+                       if (width == 500 && height == 1150)
+                               return PaperKind.Number14Envelope;
+                       if (width == 363 && height == 650)
+                               return PaperKind.PersonalEnvelope;
+                       if (width == 1000 && height == 1100)
+                               return PaperKind.Standard10x11;
+                       if (width == 1000 && height == 1400)
+                               return PaperKind.Standard10x14;
+                       if (width == 1100 && height == 1700)
+                               return PaperKind.Standard11x17;
+                       if (width == 1200 && height == 1100)
+                               return PaperKind.Standard12x11;
+                       if (width == 1500 && height == 1100)
+                               return PaperKind.Standard15x11;
+                       if (width == 900 && height == 1100)
+                               return PaperKind.Standard9x11;
+                       if (width == 550 && height == 850)
+                               return PaperKind.Statement;
+                       if (width == 1100 && height == 1700)
+                               return PaperKind.Tabloid;
+                       if (width == 1487 && height == 1100)
+                               return PaperKind.USStandardFanfold;
+
+                       return PaperKind.Custom;
+               }
+
+               #endregion
+
+               #region Print job methods
+
+               static string tmpfile;
+
+               /// <summary>
+               /// Gets a pointer to an options list parsed from the printer's current settings, to use when setting up the printing job
+               /// </summary>
+               /// <param name="printer_settings"></param>
+               /// <param name="page_settings"></param>
+               /// <param name="options"></param>
+               internal static int GetCupsOptions (PrinterSettings printer_settings, PageSettings page_settings, out IntPtr options)
+               {
+                       options = IntPtr.Zero;
+
+                       PaperSize size = page_settings.PaperSize;
+                       int width = size.Width * 72 / 100;
+                       int height = size.Height * 72 / 100;
+
+                       StringBuilder sb = new StringBuilder();
+                       sb.Append(
+                               "copies=" + printer_settings.Copies + " " + 
+                               "Collate=" + printer_settings.Collate + " " +
+                               "ColorModel=" + (page_settings.Color ? "Color" : "Black") + " " +
+                               "PageSize=" + String.Format ("Custom.{0}x{1}", width, height) + " " +
+                               "landscape=" + page_settings.Landscape
+                       );
+                       
+                       if (printer_settings.CanDuplex)
+                       {
+                               if (printer_settings.Duplex == Duplex.Simplex)
+                                       sb.Append(" Duplex=None");
+                               else
+                                       sb.Append(" Duplex=DuplexNoTumble");                            
+                       }
+
+                       return cupsParseOptions (sb.ToString(), 0, ref options);
+               }
+
+               internal static bool StartDoc (GraphicsPrinter gr, string doc_name, string output_file)
+               {
+                       DOCINFO doc = (DOCINFO) doc_info[gr.Hdc];
+                       doc.title = doc_name;
                        return true;
                }
 
-               internal override bool EndDoc (GraphicsPrinter gr)
+               internal static bool EndDoc (GraphicsPrinter gr)
                {
                        DOCINFO doc = (DOCINFO) doc_info[gr.Hdc];
 
                        gr.Graphics.Dispose (); // Dispose object to force surface finish
-                       cupsPrintFile (doc.settings.PrinterName, doc.filename, doc.title, 0, IntPtr.Zero);
+                       
+                       IntPtr options;
+                       int options_count = GetCupsOptions (doc.settings, doc.default_page_settings, out options);
+
+                       cupsPrintFile (doc.settings.PrinterName, doc.filename, doc.title, options_count, options);
+                       cupsFreeOptions (options_count, options);
                        doc_info.Remove (gr.Hdc);
-                       //TODO: Delete temporary file created
+                       if (tmpfile != null) {
+                               try { File.Delete (tmpfile); }
+                               catch { }
+                       }
                        return true;
                }
 
-               internal override bool StartDoc (GraphicsPrinter gr, string doc_name, string output_file)
+               internal static bool StartPage (GraphicsPrinter gr)
                {
-                       DOCINFO doc = (DOCINFO) doc_info[gr.Hdc];
-                       doc.title = doc_name;
                        return true;
                }
 
-               internal override IntPtr CreateGraphicsContext (PrinterSettings settings)
+               internal static bool EndPage (GraphicsPrinter gr)
+               {
+                       GdipGetPostScriptSavePage (gr.Hdc);
+                       return true;
+               }
+
+               // Unfortunately, PrinterSettings and PageSettings couldn't be referencing each other,
+               // thus we need to pass them separately
+               internal static IntPtr CreateGraphicsContext (PrinterSettings settings, PageSettings default_page_settings)
                {
                        IntPtr graphics = IntPtr.Zero;
-                       StringBuilder name = new StringBuilder (1024);
-                       int length = name.Capacity;
-                       cupsTempFile (name, length);
-                       //Console.WriteLine ("CreateGraphicsContext filename {0}", name.ToString());
+                       string name;
+                       if (!settings.PrintToFile) {
+                               StringBuilder sb = new StringBuilder (1024);
+                               int length = sb.Capacity;
+                               cupsTempFile (sb, length);
+                               name = sb.ToString ();
+                               tmpfile = name;
+                       }
+                       else
+                               name = settings.PrintFileName;
+
+                       PaperSize psize = default_page_settings.PaperSize;
+                       int width, height;
+                       if (default_page_settings.Landscape) { // Swap in case of landscape
+                               width = psize.Height;
+                               height = psize.Width;
+                       } else {
+                               width = psize.Width;
+                               height = psize.Height;
+                       }
 
-                       GdipGetPostScriptGraphicsContext (name.ToString(),
-                               settings.DefaultPageSettings.PaperSize.Width,
-                               settings.DefaultPageSettings.PaperSize.Height, ref graphics);
+                       GdipGetPostScriptGraphicsContext (name,
+                               width / 100 * 72,
+                               height / 100 * 72, 
+                               // Harcoded dpy's
+                               300, 300, ref graphics);
 
                        DOCINFO doc = new DOCINFO ();
                        doc.filename = name.ToString();
                        doc.settings = settings;
+                       doc.default_page_settings = default_page_settings;
                        doc_info.Add (graphics, doc);
 
                        return graphics;
                }
 
-               // Properties
+               #endregion
 
-               internal override PrinterSettings.StringCollection InstalledPrinters {
-                       get {
-                               int n_printers;
-                               IntPtr printers = IntPtr.Zero, ptr_printers, ptr_printer;
-                               string str;
-                               PrinterSettings.StringCollection col = new PrinterSettings.StringCollection (new string[] {});
-
-                               n_printers = cupsGetPrinters (ref printers);
+               #region DllImports
 
-                               ptr_printers = printers;
-                               for (int i = 0; i < n_printers; i++) {
-                                       ptr_printer = (IntPtr) Marshal.ReadInt32 (ptr_printers);
-                                       str = Marshal.PtrToStringAnsi (ptr_printer);
-                                       ptr_printers = new IntPtr (ptr_printers.ToInt64 () + 4);
-                                       col.Add (str);
-                               }
-                               Marshal.FreeHGlobal (printers);
-                               return col;
-                       }
-               }
-
-               internal override string DefaultPrinter {
-                       get {
-                               IntPtr str;
-                               str = cupsGetDefault ();
-                               return Marshal.PtrToStringAnsi (str);
-                       }
-               }
-
-               // Private functions
-
-               private string GetPaperSizeName (PPD_FILE ppd, string name)
-               {
-                       string rslt = name;
-                       PPD_GROUP group;
-                       PPD_OPTION option;
-                       PPD_CHOICE choice;
-                       IntPtr ptr, ptr_opt, ptr_choice;
-
-                       ptr = ppd.groups;
-                       for (int i = 0; i < ppd.num_groups; i++) {
-                               group = (PPD_GROUP) Marshal.PtrToStructure (ptr, typeof (PPD_GROUP));
-                               //Console.WriteLine ("Size text:{0} name:{1} opts {2}", group.text, group.name, group.num_options);
-                               ptr = new IntPtr (ptr.ToInt64 () + Marshal.SizeOf (group));
-
-                               ptr_opt = group.options;
-                               for (int n = 0; n < group.num_options; n++) {
-                                       option = (PPD_OPTION) Marshal.PtrToStructure (ptr_opt, typeof (PPD_OPTION));
-                                       ptr_opt = new IntPtr (ptr_opt.ToInt64 () + Marshal.SizeOf (option));
-                                       //Console.WriteLine ("   key:{0} def:{1} text: {2}", option.keyword, option.defchoice, option.text);
-
-                                       if (!option.keyword.Equals ("PageSize"))
-                                               continue;
-
-                                       ptr_choice = option.choices;
-                                       for (int c = 0; c < option.num_choices; c++) {
-                                               choice = (PPD_CHOICE) Marshal.PtrToStructure (ptr_choice, typeof (PPD_CHOICE));
-                                               ptr_choice = new IntPtr (ptr_choice.ToInt64 () + Marshal.SizeOf (choice));
-                                               //Console.WriteLine ("       choice:{0} - text: {1}", choice.choice, choice.text);
-                                               if (name.Equals (choice.choice)) {
-                                                       rslt = choice.text;
-                                                       break;
-                                               }
-                                       }
-                               }
-                       }
-
-                       return rslt;
-               }
-
-
-               //
-               // DllImports
-               //
+               [DllImport("libcups", CharSet=CharSet.Ansi)]
+               static extern int cupsGetDests (ref IntPtr dests);
 
                [DllImport("libcups", CharSet=CharSet.Ansi)]
-               static extern int cupsGetPrinters (ref IntPtr printers);
+               static extern void cupsGetDest (string name, string instance, int num_dests, ref IntPtr dests);
+
+               [DllImport("libcups")]
+               static extern void cupsFreeDests (int num_dests, IntPtr dests);
 
                [DllImport("libcups", CharSet=CharSet.Ansi)]
                static extern IntPtr cupsTempFile (StringBuilder sb, int len);
@@ -245,20 +822,31 @@ namespace System.Drawing.Printing
                [DllImport("libcups", CharSet=CharSet.Ansi)]
                static extern IntPtr ppdOpenFile (string filename);
 
+               [DllImport("libcups", CharSet=CharSet.Ansi)]
+               static extern IntPtr ppdFindOption (IntPtr ppd_file, string keyword);
+
                [DllImport("libcups")]
                static extern void ppdClose (IntPtr ppd);
 
-               [DllImport("libgdiplus", CharSet=CharSet.Ansi)]
-               static extern int GdipGetPostScriptGraphicsContext (string filename, int with, int height, ref IntPtr graphics);
+               [DllImport ("libcups", CharSet=CharSet.Ansi)]
+               static extern int cupsParseOptions (string arg, int number_of_options, ref IntPtr options);
+
+               [DllImport("libcups")]
+               static extern void cupsFreeOptions (int number_options, IntPtr options);
+
+               [DllImport("gdiplus.dll", CharSet=CharSet.Ansi)]
+               static extern int GdipGetPostScriptGraphicsContext (string filename, int with, int height, double dpix, double dpiy, ref IntPtr graphics);
 
-               [DllImport("libgdiplus")]
+               [DllImport("gdiplus.dll")]
                static extern int GdipGetPostScriptSavePage (IntPtr graphics);
 
+               #endregion
 
-               //Struct
+               #region Struct
                public struct DOCINFO
                {
                        public PrinterSettings settings;
+                       public PageSettings default_page_settings;
                        public string title;
                        public string filename;
                }
@@ -348,6 +936,58 @@ namespace System.Drawing.Printing
 
                        /* There is more data after this that we are not using*/
                }
+
+
+               public struct CUPS_OPTIONS
+               {
+                       public IntPtr name;
+                       public IntPtr val;
+               }
+               
+               public struct CUPS_DESTS
+               {
+                       public IntPtr   name;
+                       public IntPtr   instance;
+                       public int      is_default;
+                       public int      num_options;
+                       public IntPtr   options;
+               }
+               
+               #endregion
+       }
+
+       class GlobalPrintingServicesUnix : GlobalPrintingServices\r
+       {\r
+               internal override PrinterSettings.StringCollection InstalledPrinters {\r
+                       get {\r
+                               return PrintingServicesUnix.InstalledPrinters;\r
+                       }\r
+               }\r
+\r
+               internal override IntPtr CreateGraphicsContext (PrinterSettings settings, PageSettings default_page_settings)\r
+               {\r
+                       return PrintingServicesUnix.CreateGraphicsContext (settings, default_page_settings);\r
+               }\r
+\r
+               internal override bool StartDoc (GraphicsPrinter gr, string doc_name, string output_file)\r
+               {\r
+                       return PrintingServicesUnix.StartDoc (gr, doc_name, output_file);\r
+               }\r
+\r
+               internal override bool EndDoc (GraphicsPrinter gr)\r
+               {\r
+                       return PrintingServicesUnix.EndDoc (gr);\r
+               }\r
+\r
+               internal override bool StartPage (GraphicsPrinter gr)\r
+               {\r
+                       return PrintingServicesUnix.StartPage (gr);\r
+               }\r
+\r
+               internal override bool EndPage (GraphicsPrinter gr)\r
+               {\r
+                       return PrintingServicesUnix.EndPage (gr);\r
+               }\r
        }
 }