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

Home
C# / CSharp Open Source
1.2.6.4 mono .net core
2.2.6.4 mono core
3.Aspect Oriented Frameworks
4.Bloggers
5.Build Systems
6.Business Application
7.Charting Reporting Tools
8.Chat Servers
9.Code Coverage Tools
10.Content Management Systems CMS
11.CRM ERP
12.Database
13.Development
14.Email
15.Forum
16.Game
17.GIS
18.GUI
19.IDEs
20.Installers Generators
21.Inversion of Control Dependency Injection
22.Issue Tracking
23.Logging Tools
24.Message
25.Mobile
26.Network Clients
27.Network Servers
28.Office
29.PDF
30.Persistence Frameworks
31.Portals
32.Profilers
33.Project Management
34.RSS RDF
35.Rule Engines
36.Script
37.Search Engines
38.Sound Audio
39.Source Control
40.SQL Clients
41.Template Engines
42.Testing
43.UML
44.Web Frameworks
45.Web Service
46.Web Testing
47.Wiki Engines
48.Windows Presentation Foundation
49.Workflows
50.XML Parsers
C# / C Sharp
C# / C Sharp by API
C# / CSharp Tutorial
C# / CSharp Open Source » 2.6.4 mono .net core » System.Drawing 
System.Drawing » System » Drawing » Imaging » Metafile.cs
//
// System.Drawing.Imaging.Metafile.cs
//
// Authors:
//  Christian Meyer, eMail: Christian.Meyer@cs.tum.edu
//  Dennis Hayes (dennish@raytek.com)
//  Sebastien Pouliot  <sebastien@ximian.com>
//
// (C) 2002 Ximian, Inc.  http://www.ximian.com
// Copyright (C) 2004,2006-2007 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
// "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.
//

using System.IO;
using System.Reflection;
using System.ComponentModel;
using System.Runtime.InteropServices;

namespace System.Drawing.Imaging{

  [MonoTODO ("Metafiles, both WMF and EMF formats, are only partially supported.")]
  [Serializable]
#if ONLY_1_1
  [ComVisible (false)]
#endif
  [Editor ("System.Drawing.Design.MetafileEditor, " + Consts.AssemblySystem_Drawing_Design, typeof (System.Drawing.Design.UITypeEditor))]
  public sealed class Metafile : Image {

    // constructors

    internal Metafile (IntPtr ptr)
    {
      nativeObject = ptr;
    }

    // Usually called when cloning images that need to have
    // not only the handle saved, but also the underlying stream
    // (when using MS GDI+ and IStream we must ensure the stream stays alive for all the life of the Image)
    internal Metafile (IntPtr ptr, Stream stream)
    {
      // under Win32 stream is owned by SD/GDI+ code
      if (GDIPlus.RunningOnWindows ())
        this.stream = stream;
      nativeObject = ptr;
    }

    public Metafile (Stream stream) 
    {
      if (stream == null)
        throw new ArgumentException ("stream");

      Status status;
      if (GDIPlus.RunningOnUnix ()) {
        // With libgdiplus we use a custom API for this, because there's no easy way
        // to get the Stream down to libgdiplus. So, we wrap the stream with a set of delegates.
        GDIPlus.GdiPlusStreamHelper sh = new GDIPlus.GdiPlusStreamHelper (stream, false);
        status = GDIPlus.GdipCreateMetafileFromDelegate_linux (sh.GetHeaderDelegate, sh.GetBytesDelegate, 
          sh.PutBytesDelegate, sh.SeekDelegate, sh.CloseDelegate, sh.SizeDelegate, out nativeObject);
      } else {
        status = GDIPlus.GdipCreateMetafileFromStream (new ComIStreamWrapper (stream), out nativeObject);
      }
      GDIPlus.CheckStatus (status);
    }

    public Metafile (string filename) 
    {
      if (filename == null)
        throw new ArgumentNullException ("filename");
      if (filename.Length == 0)
        throw new ArgumentException ("filename");

      Status status = GDIPlus.GdipCreateMetafileFromFile (filename, out nativeObject);
      if (status == Status.GenericError)
        throw new ExternalException ("Couldn't load specified file.");
      GDIPlus.CheckStatus (status);
    }

    public Metafile (IntPtr henhmetafile, bool deleteEmf) 
    {
      Status status = GDIPlus.GdipCreateMetafileFromEmf (henhmetafile, deleteEmf, out nativeObject);
      GDIPlus.CheckStatus (status);
    }

    public Metafile (IntPtr referenceHdc, EmfType emfType) :
      this (referenceHdc, new RectangleF (), MetafileFrameUnit.GdiCompatible, emfType, null)
    {
    }

    public Metafile (IntPtr referenceHdc, Rectangle frameRect) :
      this (referenceHdc, frameRect, MetafileFrameUnit.GdiCompatible, EmfType.EmfPlusDual, null)
    {
    }

    public Metafile (IntPtr referenceHdc, RectangleF frameRect) :
      this (referenceHdc, frameRect, MetafileFrameUnit.GdiCompatible, EmfType.EmfPlusDual, null)
    {
    }

    public Metafile (IntPtr hmetafile, WmfPlaceableFileHeader wmfHeader) 
    {
      Status status = GDIPlus.GdipCreateMetafileFromEmf (hmetafile, false, out nativeObject);
      GDIPlus.CheckStatus (status);
    }

    public Metafile (Stream stream, IntPtr referenceHdc) :
      this (stream, referenceHdc, new RectangleF (), MetafileFrameUnit.GdiCompatible, EmfType.EmfPlusDual, null)
    {
    }

    public Metafile (string fileName, IntPtr referenceHdc) :
      this (fileName, referenceHdc, new RectangleF (), MetafileFrameUnit.GdiCompatible, EmfType.EmfPlusDual,
      null)
    {
    }

    public Metafile (IntPtr referenceHdc, EmfType emfType, string description) :
      this (referenceHdc, new RectangleF (), MetafileFrameUnit.GdiCompatible, emfType, description)
    {
    }

    public Metafile (IntPtr referenceHdc, Rectangle frameRect, MetafileFrameUnit frameUnit) :
      this (referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual, null)
    {
    }

    public Metafile (IntPtr referenceHdc, RectangleF frameRect, MetafileFrameUnit frameUnit) :
      this (referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual, null)
    {
    }

    public Metafile (IntPtr hmetafile, WmfPlaceableFileHeader wmfHeader, bool deleteWmf) 
    {
      Status status = GDIPlus.GdipCreateMetafileFromEmf (hmetafile, deleteWmf, out nativeObject);
      GDIPlus.CheckStatus (status);
    }

    public Metafile (Stream stream, IntPtr referenceHdc, EmfType type) :
      this (stream, referenceHdc, new RectangleF (), MetafileFrameUnit.GdiCompatible, type, null)
    {
    }

    public Metafile (Stream stream, IntPtr referenceHdc, Rectangle frameRect) :
      this (stream, referenceHdc, frameRect, MetafileFrameUnit.GdiCompatible, EmfType.EmfPlusDual, null)
    {
    }

    public Metafile (Stream stream, IntPtr referenceHdc, RectangleF frameRect) :
      this (stream, referenceHdc, frameRect, MetafileFrameUnit.GdiCompatible, EmfType.EmfPlusDual, null)
    {
    }

    public Metafile (string fileName, IntPtr referenceHdc, EmfType type) :
      this (fileName, referenceHdc, new RectangleF (), MetafileFrameUnit.GdiCompatible, type, null)
    {
    }

    public Metafile (string fileName, IntPtr referenceHdc, Rectangle frameRect) :
      this (fileName, referenceHdc, frameRect, MetafileFrameUnit.GdiCompatible, EmfType.EmfPlusDual, null)
    {
    }
    
    public Metafile (string fileName, IntPtr referenceHdc, RectangleF frameRect) :
      this (fileName, referenceHdc, frameRect, MetafileFrameUnit.GdiCompatible, EmfType.EmfPlusDual, null)
    {
    }

    public Metafile (IntPtr referenceHdc, Rectangle frameRect, MetafileFrameUnit frameUnit, EmfType type) :
      this (referenceHdc, frameRect, frameUnit, type, null)
    {
    }

    public Metafile (IntPtr referenceHdc, RectangleF frameRect, MetafileFrameUnit frameUnit, EmfType type) :
      this (referenceHdc, frameRect, frameUnit, type, null)
    {
    }

    public Metafile (Stream stream, IntPtr referenceHdc, EmfType type, string description) :
      this (stream, referenceHdc, new RectangleF (), MetafileFrameUnit.GdiCompatible, type, description)
    {
    }

    public Metafile (Stream stream, IntPtr referenceHdc, Rectangle frameRect, MetafileFrameUnit frameUnit) :
      this (stream, referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual, null)
    {
    }

    public Metafile (Stream stream, IntPtr referenceHdc, RectangleF frameRect, MetafileFrameUnit frameUnit) :
      this (stream, referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual, null)
    {
    }

    public Metafile (string fileName, IntPtr referenceHdc, EmfType type, string description) :
      this (fileName, referenceHdc, new RectangleF (), MetafileFrameUnit.GdiCompatible, type, description)
    {
    }

    public Metafile (string fileName, IntPtr referenceHdc, Rectangle frameRect, MetafileFrameUnit frameUnit) :
      this (fileName, referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual, null)
    {
    }
    
    public Metafile (string fileName, IntPtr referenceHdc, RectangleF frameRect, MetafileFrameUnit frameUnit) :
      this (fileName, referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual, null)
    {
    }

    public Metafile (IntPtr referenceHdc, Rectangle frameRect, MetafileFrameUnit frameUnit, EmfType type,
      string description)
    {
      Status status = GDIPlus.GdipRecordMetafileI (referenceHdc, type, ref frameRect, frameUnit,
        description, out nativeObject);
      GDIPlus.CheckStatus (status);
    }

    public Metafile (IntPtr referenceHdc, RectangleF frameRect, MetafileFrameUnit frameUnit, EmfType type,
      string description)
    {
      Status status = GDIPlus.GdipRecordMetafile (referenceHdc, type, ref frameRect, frameUnit,
        description, out nativeObject);
      GDIPlus.CheckStatus (status);
    }

    public Metafile (Stream stream, IntPtr referenceHdc, Rectangle frameRect, MetafileFrameUnit frameUnit,
      EmfType type) : this (stream, referenceHdc, frameRect, frameUnit, type, null)
    {
    }

    public Metafile (Stream stream, IntPtr referenceHdc, RectangleF frameRect, MetafileFrameUnit frameUnit,
      EmfType type) : this (stream, referenceHdc, frameRect, frameUnit, type, null)
    {
    }

    public Metafile (string fileName, IntPtr referenceHdc, Rectangle frameRect, MetafileFrameUnit frameUnit,
      EmfType type) : this (fileName, referenceHdc, frameRect, frameUnit, type, null)
    {
    }
    
    public Metafile (string fileName, IntPtr referenceHdc, Rectangle frameRect, MetafileFrameUnit frameUnit,
      string description) : this (fileName, referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual, description)
    {
    }

    public Metafile (string fileName, IntPtr referenceHdc, RectangleF frameRect, MetafileFrameUnit frameUnit,
      EmfType type) : this (fileName, referenceHdc, frameRect, frameUnit, type, null)
    {
    }
    
    public Metafile (string fileName, IntPtr referenceHdc, RectangleF frameRect, MetafileFrameUnit frameUnit, 
      string description) : this (fileName, referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual,
      description) 
    {
    }
    
    public Metafile (Stream stream, IntPtr referenceHdc, Rectangle frameRect, MetafileFrameUnit frameUnit, 
      EmfType type, string description) 
    {
      if (stream == null)
        throw new NullReferenceException ("stream");

      Status status = Status.NotImplemented;
      if (GDIPlus.RunningOnUnix ()) {
        // With libgdiplus we use a custom API for this, because there's no easy way
        // to get the Stream down to libgdiplus. So, we wrap the stream with a set of delegates.
        GDIPlus.GdiPlusStreamHelper sh = new GDIPlus.GdiPlusStreamHelper (stream, false);
        status = GDIPlus.GdipRecordMetafileFromDelegateI_linux (sh.GetHeaderDelegate, sh.GetBytesDelegate, 
          sh.PutBytesDelegate, sh.SeekDelegate, sh.CloseDelegate, sh.SizeDelegate, referenceHdc, 
          type, ref frameRect, frameUnit, description, out nativeObject);
      } else {
        status = GDIPlus.GdipRecordMetafileStreamI (new ComIStreamWrapper (stream), referenceHdc, 
          type, ref frameRect, frameUnit, description, out nativeObject);
      }
      GDIPlus.CheckStatus (status);
    }

    public Metafile (Stream stream, IntPtr referenceHdc, RectangleF frameRect, MetafileFrameUnit frameUnit, 
      EmfType type, string description) 
    {
      if (stream == null)
        throw new NullReferenceException ("stream");

      Status status = Status.NotImplemented;
      if (GDIPlus.RunningOnUnix ()) {
        // With libgdiplus we use a custom API for this, because there's no easy way
        // to get the Stream down to libgdiplus. So, we wrap the stream with a set of delegates.
        GDIPlus.GdiPlusStreamHelper sh = new GDIPlus.GdiPlusStreamHelper (stream, false);
        status = GDIPlus.GdipRecordMetafileFromDelegate_linux (sh.GetHeaderDelegate, sh.GetBytesDelegate, 
          sh.PutBytesDelegate, sh.SeekDelegate, sh.CloseDelegate, sh.SizeDelegate, referenceHdc, 
          type, ref frameRect, frameUnit, description, out nativeObject);
      } else {
        status = GDIPlus.GdipRecordMetafileStream (new ComIStreamWrapper (stream), referenceHdc, 
          type, ref frameRect, frameUnit, description, out nativeObject);
      }
      GDIPlus.CheckStatus (status);
    }

    public Metafile (string fileName, IntPtr referenceHdc, Rectangle frameRect, MetafileFrameUnit frameUnit, 
      EmfType type, string description) 
    {
      Status status = GDIPlus.GdipRecordMetafileFileNameI (fileName, referenceHdc, type, ref frameRect, 
        frameUnit, description, out nativeObject);
      GDIPlus.CheckStatus (status);
    }
    
    public Metafile (string fileName, IntPtr referenceHdc, RectangleF frameRect, MetafileFrameUnit frameUnit,
      EmfType type, string description) 
    {
      Status status = GDIPlus.GdipRecordMetafileFileName (fileName, referenceHdc, type, ref frameRect, frameUnit, 
        description, out nativeObject);
      GDIPlus.CheckStatus (status);
    }

    // methods

    public IntPtr GetHenhmetafile ()
    {
      return nativeObject;
    }

    [MonoLimitation ("Metafiles aren't only partially supported by libgdiplus.")]
    public MetafileHeader GetMetafileHeader ()
    {
      IntPtr header = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (MetafileHeader)));
      try {
        Status status = GDIPlus.GdipGetMetafileHeaderFromMetafile (nativeObject, header);
        GDIPlus.CheckStatus (status);
        return new MetafileHeader (header);
      }
      finally {
        Marshal.FreeHGlobal (header);
      }
    }

    [MonoLimitation ("Metafiles aren't only partially supported by libgdiplus.")]
    public static MetafileHeader GetMetafileHeader (IntPtr henhmetafile)
    {
      IntPtr header = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (MetafileHeader)));
      try {
        Status status = GDIPlus.GdipGetMetafileHeaderFromEmf (henhmetafile, header);
        GDIPlus.CheckStatus (status);
        return new MetafileHeader (header);
      }
      finally {
        Marshal.FreeHGlobal (header);
      }
    }

    [MonoLimitation ("Metafiles aren't only partially supported by libgdiplus.")]
    public static MetafileHeader GetMetafileHeader (Stream stream)
    {
      if (stream == null)
        throw new NullReferenceException ("stream");

      IntPtr header = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (MetafileHeader)));
      try {
        Status status;

        if (GDIPlus.RunningOnUnix ()) {
          // With libgdiplus we use a custom API for this, because there's no easy way
          // to get the Stream down to libgdiplus. So, we wrap the stream with a set of delegates.
          GDIPlus.GdiPlusStreamHelper sh = new GDIPlus.GdiPlusStreamHelper (stream, false);
          status = GDIPlus.GdipGetMetafileHeaderFromDelegate_linux (sh.GetHeaderDelegate, 
            sh.GetBytesDelegate, sh.PutBytesDelegate, sh.SeekDelegate, sh.CloseDelegate, 
            sh.SizeDelegate, header);
        } else {
          status = GDIPlus.GdipGetMetafileHeaderFromStream (new ComIStreamWrapper (stream), header);
        }
        GDIPlus.CheckStatus (status);
        return new MetafileHeader (header);
      }
      finally {
        Marshal.FreeHGlobal (header);
      }
    }

    [MonoLimitation ("Metafiles aren't only partially supported by libgdiplus.")]
    public static MetafileHeader GetMetafileHeader (string fileName)
    {
      if (fileName == null)
        throw new ArgumentNullException ("fileName");

      IntPtr header = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (MetafileHeader)));
      try {
        Status status = GDIPlus.GdipGetMetafileHeaderFromFile (fileName, header);
        GDIPlus.CheckStatus (status);
        return new MetafileHeader (header);
      }
      finally {
        Marshal.FreeHGlobal (header);
      }
    }

    [MonoLimitation ("Metafiles aren't only partially supported by libgdiplus.")]
    public static MetafileHeader GetMetafileHeader (IntPtr henhmetafile, WmfPlaceableFileHeader wmfHeader)
    {
      IntPtr header = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (MetafileHeader)));
      try {
        Status status = GDIPlus.GdipGetMetafileHeaderFromEmf (henhmetafile, header);
        GDIPlus.CheckStatus (status);
        return new MetafileHeader (header);
      }
      finally {
        Marshal.FreeHGlobal (header);
      }
    }

    [MonoLimitation ("Metafiles aren't only partially supported by libgdiplus.")]
    public void PlayRecord (EmfPlusRecordType recordType, int flags, int dataSize, byte[] data)
    {
      Status status = GDIPlus.GdipPlayMetafileRecord (nativeObject, recordType, flags, dataSize, data);
      GDIPlus.CheckStatus (status);
    }
  }
}
www.java2v.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.