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

//
// 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, [email protected]
//

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; }}
	}
}