/// <include file='doc\Metafile.uex' path='docs/doc[@for="Metafile.Metafile27"]/*' />
/// <devdoc>
/// <para>
/// Initializes a new instance of the <see cref='System.Drawing.Imaging.Metafile'/> class with the
/// specified filename.
/// </para>
/// </devdoc>
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.GdipRecordMetafileFileName(fileName, new HandleRef(null, referenceHdc), (int)type, NativeMethods.NullHandleRef, (int)frameUnit,
description, out metafile);
}
else
{
GPRECT gprect = new GPRECT(frameRect);
status = SafeNativeMethods.GdipRecordMetafileFileNameI(fileName, new HandleRef(null, referenceHdc), (int)type,
ref gprect, (int)frameUnit,
description, out metafile);
}
if (status != SafeNativeMethods.Ok)
{
throw SafeNativeMethods.StatusException(status);
}
SetNativeImage(metafile);
}
/// <include file='doc\PrivateFontCollection.uex' path='docs/doc[@for="PrivateFontCollection.AddFontFile"]/*' />
/// <devdoc>
/// <para>
/// Adds a font from the specified file to
/// this <see cref='System.Drawing.Text.PrivateFontCollection'/>.
/// </para>
/// </devdoc>
public void AddFontFile(string filename)
{
IntSecurity.DemandReadFileIO(filename);
int status = SafeNativeMethods.GdipPrivateAddFontFile(new HandleRef(this, nativeFontCollection), filename);
if (status != SafeNativeMethods.Ok)
{
throw SafeNativeMethods.StatusException(status);
}
}
public void SetOutputChannelColorProfile(string colorProfileFilename, ColorAdjustType type)
{
IntSecurity.DemandReadFileIO(colorProfileFilename);
int status = SafeNativeMethods.Gdip.GdipSetImageAttributesOutputChannelColorProfile(new HandleRef(this, this.nativeImageAttributes), type, true, colorProfileFilename);
if (status != 0)
{
throw SafeNativeMethods.Gdip.StatusException(status);
}
}
/// <include file='doc\PrivateFontCollection.uex' path='docs/doc[@for="PrivateFontCollection.AddFontFile"]/*' />
/// <devdoc>
/// <para>
/// Adds a font from the specified file to
/// this <see cref='System.Drawing.Text.PrivateFontCollection'/>.
/// </para>
/// </devdoc>
public void AddFontFile(string filename)
{
IntSecurity.DemandReadFileIO(filename);
int status = SafeNativeMethods.Gdip.GdipPrivateAddFontFile(new HandleRef(this, nativeFontCollection), filename);
if (status != SafeNativeMethods.Gdip.Ok)
{
throw SafeNativeMethods.Gdip.StatusException(status);
}
// Register private font with GDI as well so pure GDI-based controls (TextBox, Button for instance) can access it.
SafeNativeMethods.AddFontFile(filename);
}
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);
}
/// <include file='doc\Metafile.uex' path='docs/doc[@for="Metafile.Metafile17"]/*' />
/// <devdoc>
/// <para>
/// Initializes a new instance of the <see cref='System.Drawing.Imaging.Metafile'/> class with the specified filename.
/// </para>
/// </devdoc>
public Metafile(string fileName, IntPtr referenceHdc, EmfType type, String description)
{
IntSecurity.DemandReadFileIO(fileName);
IntSecurity.ObjectFromWin32Handle.Demand();
IntPtr metafile = IntPtr.Zero;
int status = SafeNativeMethods.GdipRecordMetafileFileName(fileName, new HandleRef(null, referenceHdc), (int)type, NativeMethods.NullHandleRef,
(int)MetafileFrameUnit.GdiCompatible, description,
out metafile);
if (status != SafeNativeMethods.Ok)
{
throw SafeNativeMethods.StatusException(status);
}
SetNativeImage(metafile);
}
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);
}
// WARNING: if you have nested PrintControllers, this method won't get called on the inner one.
// Add initialization code to StartPrint or StartPage instead.
internal void Print(PrintDocument document)
{
IntSecurity.SafePrinting.Demand();
// Most of the printing security is left to the individual print controller
// Check that user has permission to print to this particular printer
PrintEventArgs printEvent = new PrintEventArgs();
document._OnBeginPrint(printEvent);
if (printEvent.Cancel)
{
return;
}
OnStartPrint(document, printEvent);
bool canceled = true;
try {
canceled = PrintLoop(document);
}
finally {
try {
try {
document._OnEndPrint(printEvent);
printEvent.Cancel = canceled | printEvent.Cancel;
}
finally {
OnEndPrint(document, printEvent);
}
}
finally {
if (!IntSecurity.HasPermission(IntSecurity.AllPrinting))
{
// Ensure programs with SafePrinting only get to print once for each time they
// throw up the PrintDialog.
IntSecurity.AllPrinting.Assert();
document.PrinterSettings.PrintDialogDisplayed = false;
}
}
}
}
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),
unchecked ((int)type),
ref rectf,
unchecked ((int)frameUnit),
description,
out metafile);
if (status != SafeNativeMethods.Gdip.Ok)
{
throw SafeNativeMethods.Gdip.StatusException(status);
}
SetNativeImage(metafile);
}
internal void Print(PrintDocument document)
{
PrintAction printToPreview;
IntSecurity.SafePrinting.Demand();
if (this.IsPreview)
{
printToPreview = PrintAction.PrintToPreview;
}
else
{
printToPreview = document.PrinterSettings.PrintToFile ? PrintAction.PrintToFile : PrintAction.PrintToPrinter;
}
PrintEventArgs e = new PrintEventArgs(printToPreview);
document._OnBeginPrint(e);
if (e.Cancel)
{
document._OnEndPrint(e);
}
else
{
this.OnStartPrint(document, e);
if (e.Cancel)
{
document._OnEndPrint(e);
this.OnEndPrint(document, e);
}
else
{
bool flag = true;
try
{
flag = this.PrintLoop(document);
}
finally
{
try
{
try
{
document._OnEndPrint(e);
e.Cancel = flag | e.Cancel;
}
finally
{
this.OnEndPrint(document, e);
}
}
finally
{
if (!IntSecurity.HasPermission(IntSecurity.AllPrinting))
{
IntSecurity.AllPrinting.Assert();
document.PrinterSettings.PrintDialogDisplayed = false;
}
}
}
}
}
}
internal void Print(PrintDocument document)
{
IntSecurity.SafePrinting.Demand();
// Most of the printing security is left to the individual print controller
//
// Get the PrintAction for this event
PrintAction printAction;
if (IsPreview)
{
printAction = PrintAction.PrintToPreview;
}
else
{
printAction = document.PrinterSettings.PrintToFile ? PrintAction.PrintToFile : PrintAction.PrintToPrinter;
}
// Check that user has permission to print to this particular printer
PrintEventArgs printEvent = new PrintEventArgs(printAction);
document._OnBeginPrint(printEvent);
if (printEvent.Cancel)
{
document._OnEndPrint(printEvent);
return;
}
OnStartPrint(document, printEvent);
if (printEvent.Cancel)
{
document._OnEndPrint(printEvent);
OnEndPrint(document, printEvent);
return;
}
bool canceled = true;
try {
// To enable optimization of the preview dialog, add the following to the config file:
// <runtime >
// <!-- AppContextSwitchOverrides values are in the form of 'key1=true|false;key2=true|false -->
// <AppContextSwitchOverrides value = "Switch.System.Drawing.Printing.OptimizePrintPreview=true" />
// </runtime >
canceled = LocalAppContextSwitches.OptimizePrintPreview ? PrintLoopOptimized(document) : PrintLoop(document);
}
finally {
try {
try {
document._OnEndPrint(printEvent);
printEvent.Cancel = canceled | printEvent.Cancel;
}
finally {
OnEndPrint(document, printEvent);
}
}
finally {
if (!IntSecurity.HasPermission(IntSecurity.AllPrinting))
{
// Ensure programs with SafePrinting only get to print once for each time they
// throw up the PrintDialog.
IntSecurity.AllPrinting.Assert();
document.PrinterSettings.PrintDialogDisplayed = false;
}
}
}
}
