//
// 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);
}
}
}
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