internal InteropBitmap(IntPtr hbitmap, IntPtr hpalette, Int32Rect sourceRect, BitmapSizeOptions sizeOptions, WICBitmapAlphaChannelOption alphaOptions)
: base(true) // Use virtuals
{
_bitmapInit.BeginInit();
using (FactoryMaker myFactory = new FactoryMaker())
{
HRESULT.Check(UnsafeNativeMethods.WICImagingFactory.CreateBitmapFromHBITMAP(
myFactory.ImagingFactoryPtr,
hbitmap,
hpalette,
alphaOptions,
out _unmanagedSource));
Debug.Assert (_unmanagedSource != null && !_unmanagedSource.IsInvalid);
}
_unmanagedSource.CalculateSize();
_sizeOptions = sizeOptions;
_sourceRect = sourceRect;
_syncObject = _unmanagedSource;
_bitmapInit.EndInit();
FinalizeCreation();
}
unsafe internal static BitmapSource CriticalCreateBitmapSourceFromHBitmap(
IntPtr bitmap,
IntPtr palette,
Int32Rect sourceRect,
BitmapSizeOptions sizeOptions,
WICBitmapAlphaChannelOption alphaOptions)
{
if (bitmap == IntPtr.Zero)
{
throw new ArgumentNullException("bitmap");
}
return(new InteropBitmap(bitmap, palette, sourceRect, sizeOptions, alphaOptions)); // use the critical version
}
unsafe internal static BitmapSource CriticalCreateBitmapSourceFromHBitmap(
IntPtr bitmap,
IntPtr palette,
Int32Rect sourceRect,
BitmapSizeOptions sizeOptions,
WICBitmapAlphaChannelOption alphaOptions)
{
if (bitmap == IntPtr.Zero)
{
throw new ArgumentNullException("bitmap");
}
return new InteropBitmap(bitmap, palette, sourceRect, sizeOptions, alphaOptions); // use the critical version
}
public virtual int CreateBitmapFromHBITMAP(
out HBITMAP__ hBitmap,
out HPALETTE__ hPalette,
WICBitmapAlphaChannelOption options,
out IWICBitmap ppIBitmap
)
{
var fp = GetFunctionPointer(21);
if (m_CreateBitmapFromHBITMAPFunc == null)
{
m_CreateBitmapFromHBITMAPFunc = (CreateBitmapFromHBITMAPFunc)Marshal.GetDelegateForFunctionPointer(fp, typeof(CreateBitmapFromHBITMAPFunc));
}
ppIBitmap = new IWICBitmap();
return(m_CreateBitmapFromHBITMAPFunc(m_ptr, out hBitmap, out hPalette, options, out ppIBitmap.PtrForNew));
}
/// <summary>
/// Construct a BitmapSource from an HBITMAP.
/// </summary>
/// <param name="hbitmap"></param>
/// <param name="hpalette"></param>
/// <param name="sourceRect"></param>
/// <param name="sizeOptions"></param>
/// <param name="alphaOptions"></param>
internal InteropBitmap(IntPtr hbitmap, IntPtr hpalette, Int32Rect sourceRect, BitmapSizeOptions sizeOptions, WICBitmapAlphaChannelOption alphaOptions)
: base(true) // Use virtuals
{
_bitmapInit.BeginInit();
using (FactoryMaker myFactory = new FactoryMaker())
{
HRESULT.Check(UnsafeNativeMethods.WICImagingFactory.CreateBitmapFromHBITMAP(
myFactory.ImagingFactoryPtr,
hbitmap,
hpalette,
alphaOptions,
out _unmanagedSource));
Debug.Assert(_unmanagedSource != null && !_unmanagedSource.IsInvalid);
}
_unmanagedSource.CalculateSize();
_sizeOptions = sizeOptions;
_sourceRect = sourceRect;
_syncObject = _unmanagedSource;
_bitmapInit.EndInit();
FinalizeCreation();
}
public int CreateBitmapFromHBITMAP([NativeTypeName("HBITMAP")] IntPtr hBitmap, [NativeTypeName("HPALETTE")] IntPtr hPalette, WICBitmapAlphaChannelOption options, [NativeTypeName("IWICBitmap **")] IWICBitmap **ppIBitmap)
{
return(((delegate * unmanaged[Stdcall] < IWICImagingFactory2 *, IntPtr, IntPtr, WICBitmapAlphaChannelOption, IWICBitmap **, int >)(lpVtbl[21]))((IWICImagingFactory2 *)Unsafe.AsPointer(ref this), hBitmap, hPalette, options, ppIBitmap));
}
public HRESULT CreateBitmapFromHBITMAP(HBITMAP hBitmap, HPALETTE hPalette, WICBitmapAlphaChannelOption options, IWICBitmap **ppIBitmap)
{
return(((delegate * unmanaged <IWICComponentFactory *, HBITMAP, HPALETTE, WICBitmapAlphaChannelOption, IWICBitmap **, int>)(lpVtbl[21]))((IWICComponentFactory *)Unsafe.AsPointer(ref this), hBitmap, hPalette, options, ppIBitmap));
}
internal static extern int /*HRESULT*/ CreateBitmapFromHBITMAP(
IntPtr THIS_PTR,
IntPtr hBitmap,
IntPtr hPalette,
WICBitmapAlphaChannelOption options,
out BitmapSourceSafeMILHandle /* IWICBitmap */ ppIBitmap);
public static WicBitmapSource FromHBitmap(IntPtr bitmapHandle, IntPtr paletteHandle, WICBitmapAlphaChannelOption options = WICBitmapAlphaChannelOption.WICBitmapUseAlpha) => new WicBitmapSource(WICImagingFactory.CreateBitmapFromHBITMAP(bitmapHandle, paletteHandle, options));
public extern IWICBitmap CreateBitmapFromHBITMAP([In] IntPtr hBitmap, [In] IntPtr hPalette, [In] WICBitmapAlphaChannelOption options);
public static IComObject <IWICBitmap> CreateBitmapFromHBITMAP(this IWICImagingFactory factory, IntPtr bitmapHandle, IntPtr paletteHandle, WICBitmapAlphaChannelOption options = WICBitmapAlphaChannelOption.WICBitmapUseAlpha)
{
if (factory == null)
{
throw new ArgumentNullException(nameof(factory));
}
factory.CreateBitmapFromHBITMAP(bitmapHandle, paletteHandle, options, out var value).ThrowOnError();
return(new ComObject <IWICBitmap>(value));
}
public static IComObject <IWICBitmap> CreateBitmapFromHBITMAP(this IComObject <IWICImagingFactory> factory, IntPtr bitmapHandle, IntPtr paletteHandle, WICBitmapAlphaChannelOption options = WICBitmapAlphaChannelOption.WICBitmapUseAlpha) => CreateBitmapFromHBITMAP(factory?.Object, bitmapHandle, paletteHandle, options);
public static IComObject <IWICBitmap> CreateBitmapFromHBITMAP(IntPtr bitmapHandle, IntPtr paletteHandle, WICBitmapAlphaChannelOption options = WICBitmapAlphaChannelOption.WICBitmapUseAlpha) => WithFactory(f => f.CreateBitmapFromHBITMAP(bitmapHandle, paletteHandle, options));
