Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / CommonUI / System / Drawing / Advanced / Metafile.cs / 1 / Metafile.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Drawing.Imaging {
using System.Runtime.InteropServices;
using System.Diagnostics;
using System;
using System.Internal;
using System.Drawing;
using System.Drawing.Design;
using System.IO;
using Microsoft.Win32;
using System.ComponentModel;
using System.Drawing.Internal;
using System.Runtime.Serialization;
using System.Security;
using System.Security.Permissions;
/**
* Represent a metafile image
*/
///
/// Defines a graphic metafile. A metafile
/// contains records that describe a sequence of graphics operations that can be
/// recorded and played back.
///
[
Editor("System.Drawing.Design.MetafileEditor, " + AssemblyRef.SystemDrawingDesign, typeof(UITypeEditor)),
]
[Serializable]
public sealed class Metafile : Image {
/*
* Create a new metafile object from a metafile handle (WMF)
*/
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr hmetafile, WmfPlaceableFileHeader wmfHeader) :
this(hmetafile, wmfHeader, false) {}
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr hmetafile, WmfPlaceableFileHeader wmfHeader, bool deleteWmf) {
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
int status = SafeNativeMethods.Gdip.GdipCreateMetafileFromWmf(new HandleRef(null, hmetafile), wmfHeader, deleteWmf, out metafile);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
/*
* Create a new metafile object from an enhanced metafile handle
*/
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr henhmetafile, bool deleteEmf) {
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
int status = SafeNativeMethods.Gdip.GdipCreateMetafileFromEmf(new HandleRef(null, henhmetafile), deleteEmf, out metafile);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
/**
* Create a new metafile object from a file
*/
///
/// Initializes a new instance of the
public Metafile(string filename) {
IntSecurity.DemandReadFileIO(filename);
IntPtr metafile = IntPtr.Zero;
int status = SafeNativeMethods.Gdip.GdipCreateMetafileFromFile(filename, out metafile);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
/**
* Create a new metafile object from a stream
*/
///
/// Initializes a new instance of the
public Metafile(Stream stream) {
if (stream == null)
throw new ArgumentException(SR.GetString(SR.InvalidArgument, "stream", "null"));
IntPtr metafile = IntPtr.Zero;
int status = SafeNativeMethods.Gdip.GdipCreateMetafileFromStream(new GPStream(stream), out metafile);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
///
/// Initializes a new instance of the
public Metafile(IntPtr referenceHdc, EmfType emfType) :
this(referenceHdc, emfType, null) {}
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr referenceHdc, EmfType emfType, String description) {
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
int status = SafeNativeMethods.Gdip.GdipRecordMetafile(new HandleRef(null, referenceHdc), (int)emfType, NativeMethods.NullHandleRef, (int) MetafileFrameUnit.GdiCompatible,
description,
out metafile);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr referenceHdc, RectangleF frameRect) :
this(referenceHdc, frameRect, MetafileFrameUnit.GdiCompatible) {}
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr referenceHdc, RectangleF frameRect, MetafileFrameUnit frameUnit) :
this(referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual) {}
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr referenceHdc, RectangleF frameRect, MetafileFrameUnit frameUnit, EmfType type) :
this(referenceHdc, frameRect, frameUnit, type, null) {}
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr referenceHdc, RectangleF frameRect, MetafileFrameUnit frameUnit, EmfType type, String description)
{
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
GPRECTF rectf = new GPRECTF(frameRect);
int status = SafeNativeMethods.Gdip.GdipRecordMetafile(new HandleRef(null, referenceHdc), (int)type, ref rectf, (int)frameUnit,
description, out metafile);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr referenceHdc, Rectangle frameRect) :
this(referenceHdc, frameRect, MetafileFrameUnit.GdiCompatible) {}
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr referenceHdc, Rectangle frameRect, MetafileFrameUnit frameUnit) :
this(referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual) {}
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr referenceHdc, Rectangle frameRect, MetafileFrameUnit frameUnit, EmfType type) :
this(referenceHdc, frameRect, frameUnit, type, null) {}
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr referenceHdc, Rectangle frameRect, MetafileFrameUnit frameUnit, EmfType type, string desc)
{
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
int status;
if (frameRect.IsEmpty) {
status = SafeNativeMethods.Gdip.GdipRecordMetafile(new HandleRef(null, referenceHdc), (int)type, NativeMethods.NullHandleRef, (int)MetafileFrameUnit.GdiCompatible,
desc, out metafile);
}
else {
GPRECT gprect = new GPRECT(frameRect);
status = SafeNativeMethods.Gdip.GdipRecordMetafileI(new HandleRef(null, referenceHdc), (int)type, ref gprect, (int)frameUnit,
desc, out metafile);
}
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
///
/// Initializes a new instance of the
public Metafile(string fileName, IntPtr referenceHdc) :
this(fileName, referenceHdc, EmfType.EmfPlusDual, null) {}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, EmfType type) :
this(fileName, referenceHdc, type, null) {}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, EmfType type, String description)
{
IntSecurity.DemandReadFileIO(fileName);
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
int status = SafeNativeMethods.Gdip.GdipRecordMetafileFileName(fileName, new HandleRef(null, referenceHdc), (int)type, NativeMethods.NullHandleRef,
(int) MetafileFrameUnit.GdiCompatible, description,
out metafile);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, RectangleF frameRect) :
this(fileName, referenceHdc, frameRect, MetafileFrameUnit.GdiCompatible) {}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, RectangleF frameRect,
MetafileFrameUnit frameUnit) :
this(fileName, referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual) {}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, RectangleF frameRect,
MetafileFrameUnit frameUnit, EmfType type) :
this(fileName, referenceHdc, frameRect, frameUnit, type, null) {}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, RectangleF frameRect, MetafileFrameUnit frameUnit, string desc) :
this(fileName, referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual, desc) {}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, RectangleF frameRect,
MetafileFrameUnit frameUnit, EmfType type, String description)
{
IntSecurity.DemandReadFileIO(fileName);
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
GPRECTF rectf = new GPRECTF(frameRect);
int status = SafeNativeMethods.Gdip.GdipRecordMetafileFileName(fileName, new HandleRef(null, referenceHdc), (int)type, ref rectf,
(int)frameUnit, description, out metafile);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, Rectangle frameRect) :
this(fileName, referenceHdc, frameRect, MetafileFrameUnit.GdiCompatible) {}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, Rectangle frameRect,
MetafileFrameUnit frameUnit) :
this(fileName, referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual) {}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, Rectangle frameRect,
MetafileFrameUnit frameUnit, EmfType type) :
this(fileName, referenceHdc, frameRect, frameUnit, type, null) {}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, Rectangle frameRect, MetafileFrameUnit frameUnit, string description) :
this(fileName, referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual, description) {}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, Rectangle frameRect, MetafileFrameUnit frameUnit, EmfType type, string description)
{
IntSecurity.DemandReadFileIO(fileName);
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
int status;
if (frameRect.IsEmpty) {
status = SafeNativeMethods.Gdip.GdipRecordMetafileFileName(fileName, new HandleRef(null, referenceHdc), (int)type, NativeMethods.NullHandleRef, (int)frameUnit,
description, out metafile);
}
else {
GPRECT gprect = new GPRECT(frameRect);
status = SafeNativeMethods.Gdip.GdipRecordMetafileFileNameI(fileName, new HandleRef(null, referenceHdc), (int)type,
ref gprect, (int)frameUnit,
description, out metafile);
}
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
///
///
/// Initializes a new instance of the
///
public Metafile(Stream stream, IntPtr referenceHdc) :
this(stream, referenceHdc, EmfType.EmfPlusDual, null) {}
///
///
/// Initializes a new instance of the
///
public Metafile(Stream stream, IntPtr referenceHdc, EmfType type) :
this(stream, referenceHdc, type, null) {}
///
///
/// Initializes a new instance of the
///
public Metafile(Stream stream, IntPtr referenceHdc, EmfType type, string description)
{
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
int status = SafeNativeMethods.Gdip.GdipRecordMetafileStream(new GPStream(stream),
new HandleRef(null, referenceHdc), (int)type, NativeMethods.NullHandleRef,
(int)MetafileFrameUnit.GdiCompatible, description,
out metafile);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
///
///
/// Initializes a new instance of the
///
public Metafile(Stream stream, IntPtr referenceHdc, RectangleF frameRect) :
this(stream, referenceHdc, frameRect, MetafileFrameUnit.GdiCompatible) {}
///
///
/// Initializes a new instance of the
///
public Metafile(Stream stream, IntPtr referenceHdc, RectangleF frameRect,
MetafileFrameUnit frameUnit) :
this(stream, referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual) {}
///
///
/// Initializes a new instance of the
///
public Metafile(Stream stream, IntPtr referenceHdc, RectangleF frameRect,
MetafileFrameUnit frameUnit, EmfType type) :
this(stream, referenceHdc, frameRect, frameUnit, type, null) {}
///
///
/// Initializes a new instance of the
///
public Metafile(Stream stream, IntPtr referenceHdc, RectangleF frameRect,
MetafileFrameUnit frameUnit, EmfType type, string description)
{
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
GPRECTF rectf = new GPRECTF(frameRect);
int status = SafeNativeMethods.Gdip.GdipRecordMetafileStream(new GPStream(stream),
new HandleRef(null, referenceHdc), (int)type, ref rectf,
(int)frameUnit, description, out metafile);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
///
///
/// Initializes a new instance of the
///
public Metafile(Stream stream, IntPtr referenceHdc, Rectangle frameRect) :
this(stream, referenceHdc, frameRect, MetafileFrameUnit.GdiCompatible) {}
///
///
/// Initializes a new instance of the
///
public Metafile(Stream stream, IntPtr referenceHdc, Rectangle frameRect,
MetafileFrameUnit frameUnit) :
this(stream, referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual) {}
///
///
/// Initializes a new instance of the
///
public Metafile(Stream stream, IntPtr referenceHdc, Rectangle frameRect,
MetafileFrameUnit frameUnit, EmfType type) :
this(stream, referenceHdc, frameRect, frameUnit, type, null) {}
///
///
/// Initializes a new instance of the
///
public Metafile(Stream stream, IntPtr referenceHdc, Rectangle frameRect, MetafileFrameUnit frameUnit,
EmfType type, string description)
{
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
int status;
if (frameRect.IsEmpty) {
status = SafeNativeMethods.Gdip.GdipRecordMetafileStream(new GPStream(stream), new HandleRef(null, referenceHdc), (int)type,
NativeMethods.NullHandleRef, (int)frameUnit, description, out metafile);
}
else {
GPRECT gprect = new GPRECT(frameRect);
status = SafeNativeMethods.Gdip.GdipRecordMetafileStreamI(new GPStream(stream), new HandleRef(null, referenceHdc), (int)type,
ref gprect, (int)frameUnit, description, out metafile);
}
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
/**
* Constructor used in deserialization
*/
private Metafile(SerializationInfo info, StreamingContext context) : base(info, context) {
}
///
///
/// Returns the
///
public static MetafileHeader GetMetafileHeader(IntPtr hmetafile, WmfPlaceableFileHeader wmfHeader)
{
IntSecurity.ObjectFromWin32Handle.Demand();
MetafileHeader header = new MetafileHeader();
header.wmf = new MetafileHeaderWmf();
int status = SafeNativeMethods.Gdip.GdipGetMetafileHeaderFromWmf(new HandleRef(null, hmetafile), wmfHeader, header.wmf);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
return header;
}
///
///
/// Returns the
///
public static MetafileHeader GetMetafileHeader(IntPtr henhmetafile)
{
IntSecurity.ObjectFromWin32Handle.Demand();
MetafileHeader header = new MetafileHeader();
header.emf = new MetafileHeaderEmf();
int status = SafeNativeMethods.Gdip.GdipGetMetafileHeaderFromEmf(new HandleRef(null, henhmetafile), header.emf);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
return header;
}
///
///
/// Returns the
///
public static MetafileHeader GetMetafileHeader(string fileName)
{
IntSecurity.DemandReadFileIO(fileName);
MetafileHeader header = new MetafileHeader();
IntPtr memory = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(MetafileHeaderEmf)));
try {
int status = SafeNativeMethods.Gdip.GdipGetMetafileHeaderFromFile(fileName, memory);
if (status != SafeNativeMethods.Gdip.Ok) {
throw SafeNativeMethods.Gdip.StatusException(status);
}
int[] type = new int[] { 0};
Marshal.Copy(memory, type, 0, 1);
MetafileType metafileType = (MetafileType) type[0];
if (metafileType == MetafileType.Wmf ||
metafileType == MetafileType.WmfPlaceable) {
// WMF header
header.wmf = (MetafileHeaderWmf) UnsafeNativeMethods.PtrToStructure(memory, typeof(MetafileHeaderWmf));
header.emf = null;
} else {
// EMF header
header.wmf = null;
header.emf = (MetafileHeaderEmf)UnsafeNativeMethods.PtrToStructure(memory, typeof(MetafileHeaderEmf));
}
}
finally {
Marshal.FreeHGlobal(memory);
}
return header;
}
///
///
/// Returns the
///
public static MetafileHeader GetMetafileHeader(Stream stream)
{
MetafileHeader header;
IntPtr memory = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(MetafileHeaderEmf)));
try {
int status = SafeNativeMethods.Gdip.GdipGetMetafileHeaderFromStream(new GPStream(stream), memory);
if (status != SafeNativeMethods.Gdip.Ok) {
throw SafeNativeMethods.Gdip.StatusException(status);
}
int[] type = new int[] { 0};
Marshal.Copy(memory, type, 0, 1);
MetafileType metafileType = (MetafileType) type[0];
header = new MetafileHeader();
if (metafileType == MetafileType.Wmf ||
metafileType == MetafileType.WmfPlaceable) {
// WMF header
header.wmf = (MetafileHeaderWmf)UnsafeNativeMethods.PtrToStructure(memory, typeof(MetafileHeaderWmf));
header.emf = null;
} else {
// EMF header
header.wmf = null;
header.emf = (MetafileHeaderEmf)UnsafeNativeMethods.PtrToStructure(memory, typeof(MetafileHeaderEmf));
}
}
finally {
Marshal.FreeHGlobal(memory);
}
return header;
}
///
///
/// Returns the
///
public MetafileHeader GetMetafileHeader()
{
MetafileHeader header;
IntPtr memory = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(MetafileHeaderEmf)));
try {
int status = SafeNativeMethods.Gdip.GdipGetMetafileHeaderFromMetafile(new HandleRef(this, nativeImage), memory);
if (status != SafeNativeMethods.Gdip.Ok) {
throw SafeNativeMethods.Gdip.StatusException(status);
}
int[] type = new int[] { 0};
Marshal.Copy(memory, type, 0, 1);
MetafileType metafileType = (MetafileType) type[0];
header = new MetafileHeader();
if (metafileType == MetafileType.Wmf ||
metafileType == MetafileType.WmfPlaceable) {
// WMF header
header.wmf = (MetafileHeaderWmf)UnsafeNativeMethods.PtrToStructure(memory, typeof(MetafileHeaderWmf));
header.emf = null;
} else {
// EMF header
header.wmf = null;
header.emf = (MetafileHeaderEmf)UnsafeNativeMethods.PtrToStructure(memory, typeof(MetafileHeaderEmf));
}
}
finally {
Marshal.FreeHGlobal(memory);
}
return header;
}
///
/// Returns a Windows handle to an enhanced
///
public IntPtr GetHenhmetafile()
{
IntPtr hEmf = IntPtr.Zero;
int status = SafeNativeMethods.Gdip.GdipGetHemfFromMetafile(new HandleRef(this, nativeImage), out hEmf);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
return hEmf;
}
///
/// Plays an EMF+ file.
///
public void PlayRecord(EmfPlusRecordType recordType,
int flags,
int dataSize,
byte[] data)
{
// Used in conjunction with Graphics.EnumerateMetafile to play an EMF+
// The data must be DWORD aligned if it's an EMF or EMF+. It must be
// WORD aligned if it's a WMF.
int status = SafeNativeMethods.Gdip.GdipPlayMetafileRecord(new HandleRef(this, nativeImage),
recordType,
flags,
dataSize,
data);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
}
/*
* Create a new metafile object from a native metafile handle.
* This is only for internal purpose.
*/
internal static Metafile FromGDIplus(IntPtr nativeImage) {
Metafile metafile = new Metafile();
metafile.SetNativeImage(nativeImage);
return metafile;
}
private Metafile() {
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Drawing.Imaging {
using System.Runtime.InteropServices;
using System.Diagnostics;
using System;
using System.Internal;
using System.Drawing;
using System.Drawing.Design;
using System.IO;
using Microsoft.Win32;
using System.ComponentModel;
using System.Drawing.Internal;
using System.Runtime.Serialization;
using System.Security;
using System.Security.Permissions;
/**
* Represent a metafile image
*/
///
/// Defines a graphic metafile. A metafile
/// contains records that describe a sequence of graphics operations that can be
/// recorded and played back.
///
[
Editor("System.Drawing.Design.MetafileEditor, " + AssemblyRef.SystemDrawingDesign, typeof(UITypeEditor)),
]
[Serializable]
public sealed class Metafile : Image {
/*
* Create a new metafile object from a metafile handle (WMF)
*/
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr hmetafile, WmfPlaceableFileHeader wmfHeader) :
this(hmetafile, wmfHeader, false) {}
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr hmetafile, WmfPlaceableFileHeader wmfHeader, bool deleteWmf) {
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
int status = SafeNativeMethods.Gdip.GdipCreateMetafileFromWmf(new HandleRef(null, hmetafile), wmfHeader, deleteWmf, out metafile);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
/*
* Create a new metafile object from an enhanced metafile handle
*/
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr henhmetafile, bool deleteEmf) {
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
int status = SafeNativeMethods.Gdip.GdipCreateMetafileFromEmf(new HandleRef(null, henhmetafile), deleteEmf, out metafile);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
/**
* Create a new metafile object from a file
*/
///
/// Initializes a new instance of the
public Metafile(string filename) {
IntSecurity.DemandReadFileIO(filename);
IntPtr metafile = IntPtr.Zero;
int status = SafeNativeMethods.Gdip.GdipCreateMetafileFromFile(filename, out metafile);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
/**
* Create a new metafile object from a stream
*/
///
/// Initializes a new instance of the
public Metafile(Stream stream) {
if (stream == null)
throw new ArgumentException(SR.GetString(SR.InvalidArgument, "stream", "null"));
IntPtr metafile = IntPtr.Zero;
int status = SafeNativeMethods.Gdip.GdipCreateMetafileFromStream(new GPStream(stream), out metafile);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
///
/// Initializes a new instance of the
public Metafile(IntPtr referenceHdc, EmfType emfType) :
this(referenceHdc, emfType, null) {}
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr referenceHdc, EmfType emfType, String description) {
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
int status = SafeNativeMethods.Gdip.GdipRecordMetafile(new HandleRef(null, referenceHdc), (int)emfType, NativeMethods.NullHandleRef, (int) MetafileFrameUnit.GdiCompatible,
description,
out metafile);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr referenceHdc, RectangleF frameRect) :
this(referenceHdc, frameRect, MetafileFrameUnit.GdiCompatible) {}
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr referenceHdc, RectangleF frameRect, MetafileFrameUnit frameUnit) :
this(referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual) {}
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr referenceHdc, RectangleF frameRect, MetafileFrameUnit frameUnit, EmfType type) :
this(referenceHdc, frameRect, frameUnit, type, null) {}
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr referenceHdc, RectangleF frameRect, MetafileFrameUnit frameUnit, EmfType type, String description)
{
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
GPRECTF rectf = new GPRECTF(frameRect);
int status = SafeNativeMethods.Gdip.GdipRecordMetafile(new HandleRef(null, referenceHdc), (int)type, ref rectf, (int)frameUnit,
description, out metafile);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr referenceHdc, Rectangle frameRect) :
this(referenceHdc, frameRect, MetafileFrameUnit.GdiCompatible) {}
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr referenceHdc, Rectangle frameRect, MetafileFrameUnit frameUnit) :
this(referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual) {}
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr referenceHdc, Rectangle frameRect, MetafileFrameUnit frameUnit, EmfType type) :
this(referenceHdc, frameRect, frameUnit, type, null) {}
///
///
/// Initializes a new instance of the
///
public Metafile(IntPtr referenceHdc, Rectangle frameRect, MetafileFrameUnit frameUnit, EmfType type, string desc)
{
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
int status;
if (frameRect.IsEmpty) {
status = SafeNativeMethods.Gdip.GdipRecordMetafile(new HandleRef(null, referenceHdc), (int)type, NativeMethods.NullHandleRef, (int)MetafileFrameUnit.GdiCompatible,
desc, out metafile);
}
else {
GPRECT gprect = new GPRECT(frameRect);
status = SafeNativeMethods.Gdip.GdipRecordMetafileI(new HandleRef(null, referenceHdc), (int)type, ref gprect, (int)frameUnit,
desc, out metafile);
}
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
///
/// Initializes a new instance of the
public Metafile(string fileName, IntPtr referenceHdc) :
this(fileName, referenceHdc, EmfType.EmfPlusDual, null) {}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, EmfType type) :
this(fileName, referenceHdc, type, null) {}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, EmfType type, String description)
{
IntSecurity.DemandReadFileIO(fileName);
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
int status = SafeNativeMethods.Gdip.GdipRecordMetafileFileName(fileName, new HandleRef(null, referenceHdc), (int)type, NativeMethods.NullHandleRef,
(int) MetafileFrameUnit.GdiCompatible, description,
out metafile);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, RectangleF frameRect) :
this(fileName, referenceHdc, frameRect, MetafileFrameUnit.GdiCompatible) {}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, RectangleF frameRect,
MetafileFrameUnit frameUnit) :
this(fileName, referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual) {}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, RectangleF frameRect,
MetafileFrameUnit frameUnit, EmfType type) :
this(fileName, referenceHdc, frameRect, frameUnit, type, null) {}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, RectangleF frameRect, MetafileFrameUnit frameUnit, string desc) :
this(fileName, referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual, desc) {}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, RectangleF frameRect,
MetafileFrameUnit frameUnit, EmfType type, String description)
{
IntSecurity.DemandReadFileIO(fileName);
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
GPRECTF rectf = new GPRECTF(frameRect);
int status = SafeNativeMethods.Gdip.GdipRecordMetafileFileName(fileName, new HandleRef(null, referenceHdc), (int)type, ref rectf,
(int)frameUnit, description, out metafile);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, Rectangle frameRect) :
this(fileName, referenceHdc, frameRect, MetafileFrameUnit.GdiCompatible) {}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, Rectangle frameRect,
MetafileFrameUnit frameUnit) :
this(fileName, referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual) {}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, Rectangle frameRect,
MetafileFrameUnit frameUnit, EmfType type) :
this(fileName, referenceHdc, frameRect, frameUnit, type, null) {}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, Rectangle frameRect, MetafileFrameUnit frameUnit, string description) :
this(fileName, referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual, description) {}
///
///
/// Initializes a new instance of the
///
public Metafile(string fileName, IntPtr referenceHdc, Rectangle frameRect, MetafileFrameUnit frameUnit, EmfType type, string description)
{
IntSecurity.DemandReadFileIO(fileName);
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
int status;
if (frameRect.IsEmpty) {
status = SafeNativeMethods.Gdip.GdipRecordMetafileFileName(fileName, new HandleRef(null, referenceHdc), (int)type, NativeMethods.NullHandleRef, (int)frameUnit,
description, out metafile);
}
else {
GPRECT gprect = new GPRECT(frameRect);
status = SafeNativeMethods.Gdip.GdipRecordMetafileFileNameI(fileName, new HandleRef(null, referenceHdc), (int)type,
ref gprect, (int)frameUnit,
description, out metafile);
}
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
///
///
/// Initializes a new instance of the
///
public Metafile(Stream stream, IntPtr referenceHdc) :
this(stream, referenceHdc, EmfType.EmfPlusDual, null) {}
///
///
/// Initializes a new instance of the
///
public Metafile(Stream stream, IntPtr referenceHdc, EmfType type) :
this(stream, referenceHdc, type, null) {}
///
///
/// Initializes a new instance of the
///
public Metafile(Stream stream, IntPtr referenceHdc, EmfType type, string description)
{
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
int status = SafeNativeMethods.Gdip.GdipRecordMetafileStream(new GPStream(stream),
new HandleRef(null, referenceHdc), (int)type, NativeMethods.NullHandleRef,
(int)MetafileFrameUnit.GdiCompatible, description,
out metafile);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
///
///
/// Initializes a new instance of the
///
public Metafile(Stream stream, IntPtr referenceHdc, RectangleF frameRect) :
this(stream, referenceHdc, frameRect, MetafileFrameUnit.GdiCompatible) {}
///
///
/// Initializes a new instance of the
///
public Metafile(Stream stream, IntPtr referenceHdc, RectangleF frameRect,
MetafileFrameUnit frameUnit) :
this(stream, referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual) {}
///
///
/// Initializes a new instance of the
///
public Metafile(Stream stream, IntPtr referenceHdc, RectangleF frameRect,
MetafileFrameUnit frameUnit, EmfType type) :
this(stream, referenceHdc, frameRect, frameUnit, type, null) {}
///
///
/// Initializes a new instance of the
///
public Metafile(Stream stream, IntPtr referenceHdc, RectangleF frameRect,
MetafileFrameUnit frameUnit, EmfType type, string description)
{
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
GPRECTF rectf = new GPRECTF(frameRect);
int status = SafeNativeMethods.Gdip.GdipRecordMetafileStream(new GPStream(stream),
new HandleRef(null, referenceHdc), (int)type, ref rectf,
(int)frameUnit, description, out metafile);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
///
///
/// Initializes a new instance of the
///
public Metafile(Stream stream, IntPtr referenceHdc, Rectangle frameRect) :
this(stream, referenceHdc, frameRect, MetafileFrameUnit.GdiCompatible) {}
///
///
/// Initializes a new instance of the
///
public Metafile(Stream stream, IntPtr referenceHdc, Rectangle frameRect,
MetafileFrameUnit frameUnit) :
this(stream, referenceHdc, frameRect, frameUnit, EmfType.EmfPlusDual) {}
///
///
/// Initializes a new instance of the
///
public Metafile(Stream stream, IntPtr referenceHdc, Rectangle frameRect,
MetafileFrameUnit frameUnit, EmfType type) :
this(stream, referenceHdc, frameRect, frameUnit, type, null) {}
///
///
/// Initializes a new instance of the
///
public Metafile(Stream stream, IntPtr referenceHdc, Rectangle frameRect, MetafileFrameUnit frameUnit,
EmfType type, string description)
{
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
int status;
if (frameRect.IsEmpty) {
status = SafeNativeMethods.Gdip.GdipRecordMetafileStream(new GPStream(stream), new HandleRef(null, referenceHdc), (int)type,
NativeMethods.NullHandleRef, (int)frameUnit, description, out metafile);
}
else {
GPRECT gprect = new GPRECT(frameRect);
status = SafeNativeMethods.Gdip.GdipRecordMetafileStreamI(new GPStream(stream), new HandleRef(null, referenceHdc), (int)type,
ref gprect, (int)frameUnit, description, out metafile);
}
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
SetNativeImage(metafile);
}
/**
* Constructor used in deserialization
*/
private Metafile(SerializationInfo info, StreamingContext context) : base(info, context) {
}
///
///
/// Returns the
///
public static MetafileHeader GetMetafileHeader(IntPtr hmetafile, WmfPlaceableFileHeader wmfHeader)
{
IntSecurity.ObjectFromWin32Handle.Demand();
MetafileHeader header = new MetafileHeader();
header.wmf = new MetafileHeaderWmf();
int status = SafeNativeMethods.Gdip.GdipGetMetafileHeaderFromWmf(new HandleRef(null, hmetafile), wmfHeader, header.wmf);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
return header;
}
///
///
/// Returns the
///
public static MetafileHeader GetMetafileHeader(IntPtr henhmetafile)
{
IntSecurity.ObjectFromWin32Handle.Demand();
MetafileHeader header = new MetafileHeader();
header.emf = new MetafileHeaderEmf();
int status = SafeNativeMethods.Gdip.GdipGetMetafileHeaderFromEmf(new HandleRef(null, henhmetafile), header.emf);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
return header;
}
///
///
/// Returns the
///
public static MetafileHeader GetMetafileHeader(string fileName)
{
IntSecurity.DemandReadFileIO(fileName);
MetafileHeader header = new MetafileHeader();
IntPtr memory = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(MetafileHeaderEmf)));
try {
int status = SafeNativeMethods.Gdip.GdipGetMetafileHeaderFromFile(fileName, memory);
if (status != SafeNativeMethods.Gdip.Ok) {
throw SafeNativeMethods.Gdip.StatusException(status);
}
int[] type = new int[] { 0};
Marshal.Copy(memory, type, 0, 1);
MetafileType metafileType = (MetafileType) type[0];
if (metafileType == MetafileType.Wmf ||
metafileType == MetafileType.WmfPlaceable) {
// WMF header
header.wmf = (MetafileHeaderWmf) UnsafeNativeMethods.PtrToStructure(memory, typeof(MetafileHeaderWmf));
header.emf = null;
} else {
// EMF header
header.wmf = null;
header.emf = (MetafileHeaderEmf)UnsafeNativeMethods.PtrToStructure(memory, typeof(MetafileHeaderEmf));
}
}
finally {
Marshal.FreeHGlobal(memory);
}
return header;
}
///
///
/// Returns the
///
public static MetafileHeader GetMetafileHeader(Stream stream)
{
MetafileHeader header;
IntPtr memory = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(MetafileHeaderEmf)));
try {
int status = SafeNativeMethods.Gdip.GdipGetMetafileHeaderFromStream(new GPStream(stream), memory);
if (status != SafeNativeMethods.Gdip.Ok) {
throw SafeNativeMethods.Gdip.StatusException(status);
}
int[] type = new int[] { 0};
Marshal.Copy(memory, type, 0, 1);
MetafileType metafileType = (MetafileType) type[0];
header = new MetafileHeader();
if (metafileType == MetafileType.Wmf ||
metafileType == MetafileType.WmfPlaceable) {
// WMF header
header.wmf = (MetafileHeaderWmf)UnsafeNativeMethods.PtrToStructure(memory, typeof(MetafileHeaderWmf));
header.emf = null;
} else {
// EMF header
header.wmf = null;
header.emf = (MetafileHeaderEmf)UnsafeNativeMethods.PtrToStructure(memory, typeof(MetafileHeaderEmf));
}
}
finally {
Marshal.FreeHGlobal(memory);
}
return header;
}
///
///
/// Returns the
///
public MetafileHeader GetMetafileHeader()
{
MetafileHeader header;
IntPtr memory = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(MetafileHeaderEmf)));
try {
int status = SafeNativeMethods.Gdip.GdipGetMetafileHeaderFromMetafile(new HandleRef(this, nativeImage), memory);
if (status != SafeNativeMethods.Gdip.Ok) {
throw SafeNativeMethods.Gdip.StatusException(status);
}
int[] type = new int[] { 0};
Marshal.Copy(memory, type, 0, 1);
MetafileType metafileType = (MetafileType) type[0];
header = new MetafileHeader();
if (metafileType == MetafileType.Wmf ||
metafileType == MetafileType.WmfPlaceable) {
// WMF header
header.wmf = (MetafileHeaderWmf)UnsafeNativeMethods.PtrToStructure(memory, typeof(MetafileHeaderWmf));
header.emf = null;
} else {
// EMF header
header.wmf = null;
header.emf = (MetafileHeaderEmf)UnsafeNativeMethods.PtrToStructure(memory, typeof(MetafileHeaderEmf));
}
}
finally {
Marshal.FreeHGlobal(memory);
}
return header;
}
///
/// Returns a Windows handle to an enhanced
///
public IntPtr GetHenhmetafile()
{
IntPtr hEmf = IntPtr.Zero;
int status = SafeNativeMethods.Gdip.GdipGetHemfFromMetafile(new HandleRef(this, nativeImage), out hEmf);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
return hEmf;
}
///
/// Plays an EMF+ file.
///
public void PlayRecord(EmfPlusRecordType recordType,
int flags,
int dataSize,
byte[] data)
{
// Used in conjunction with Graphics.EnumerateMetafile to play an EMF+
// The data must be DWORD aligned if it's an EMF or EMF+. It must be
// WORD aligned if it's a WMF.
int status = SafeNativeMethods.Gdip.GdipPlayMetafileRecord(new HandleRef(this, nativeImage),
recordType,
flags,
dataSize,
data);
if (status != SafeNativeMethods.Gdip.Ok)
throw SafeNativeMethods.Gdip.StatusException(status);
}
/*
* Create a new metafile object from a native metafile handle.
* This is only for internal purpose.
*/
internal static Metafile FromGDIplus(IntPtr nativeImage) {
Metafile metafile = new Metafile();
metafile.SetNativeImage(nativeImage);
return metafile;
}
private Metafile() {
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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- TextElement.cs
- CngKeyBlobFormat.cs
- StylusPointPropertyId.cs
- Trace.cs
- RemotingConfiguration.cs
- WebEventTraceProvider.cs
- MsmqMessageProperty.cs
- BinaryUtilClasses.cs
- SupportsPreviewControlAttribute.cs
- ProfileEventArgs.cs
- MsmqException.cs
- ConsumerConnectionPointCollection.cs
- ObjectListComponentEditor.cs
- SoapAttributeAttribute.cs
- ColorBlend.cs
- DataSourceXmlSerializer.cs
- WebPartEditorOkVerb.cs
- MaskedTextBoxTextEditorDropDown.cs
- MembershipValidatePasswordEventArgs.cs
- WindowsComboBox.cs
- FormViewDeleteEventArgs.cs
- NativeMethods.cs
- QueryPrefixOp.cs
- TextChange.cs
- WebPartConnectionsDisconnectVerb.cs
- EventSourceCreationData.cs
- AnimationLayer.cs
- DynamicRendererThreadManager.cs
- TrustLevel.cs
- JsonStringDataContract.cs
- _BasicClient.cs
- LambdaCompiler.Lambda.cs
- StagingAreaInputItem.cs
- DateTimeValueSerializer.cs
- ForwardPositionQuery.cs
- SoapTypeAttribute.cs
- CodeLabeledStatement.cs
- ThreadStartException.cs
- DeflateEmulationStream.cs
- StrokeCollection2.cs
- GridViewRow.cs
- DataColumnMapping.cs
- XamlStream.cs
- LocalFileSettingsProvider.cs
- DataServiceConfiguration.cs
- DataControlPagerLinkButton.cs
- TypeUtil.cs
- UInt64Converter.cs
- VScrollBar.cs
- TextAction.cs
- InstalledFontCollection.cs
- Expression.cs
- DesignerCatalogPartChrome.cs
- ActivityExecutor.cs
- DataGridViewCellCancelEventArgs.cs
- ItemsPanelTemplate.cs
- DecimalConstantAttribute.cs
- XpsInterleavingPolicy.cs
- XmlNavigatorFilter.cs
- CounterSampleCalculator.cs
- Line.cs
- NetworkCredential.cs
- GenericEnumConverter.cs
- MSAAEventDispatcher.cs
- TypeNameConverter.cs
- UnsafeNativeMethods.cs
- ManipulationDevice.cs
- Permission.cs
- MaskedTextProvider.cs
- BaseConfigurationRecord.cs
- KeyboardEventArgs.cs
- BaseUriHelper.cs
- BinaryExpression.cs
- DataBindEngine.cs
- DataServiceConfiguration.cs
- WebServiceParameterData.cs
- UnsafeNativeMethods.cs
- DataGridViewCell.cs
- WebCategoryAttribute.cs
- OleDragDropHandler.cs
- WebPartZoneCollection.cs
- BuildProviderAppliesToAttribute.cs
- TransactionManager.cs
- SchemaLookupTable.cs
- BufferAllocator.cs
- ScrollItemProviderWrapper.cs
- BitmapImage.cs
- HttpListener.cs
- CommandEventArgs.cs
- UpdateRecord.cs
- XmlWriterTraceListener.cs
- DictionaryEntry.cs
- EntityDescriptor.cs
- Thumb.cs
- CommonProperties.cs
- Int16.cs
- SecureStringHasher.cs
- BaseDataList.cs
- GridItemPattern.cs
- CryptoStream.cs