PixelFormat.Masks Eigenschaft

Definition

Namespace:

System.Windows.Media

Assembly:

PresentationCore.dll

Ruft eine Auflistung von dem PixelFormat zugeordneten Bitmasken ab.

public:
 property System::Collections::Generic::IList<System::Windows::Media::PixelFormatChannelMask> ^ Masks { System::Collections::Generic::IList<System::Windows::Media::PixelFormatChannelMask> ^ get(); };

public System.Collections.Generic.IList<System.Windows.Media.PixelFormatChannelMask> Masks { [System.Security.SecurityCritical] get; }

public System.Collections.Generic.IList<System.Windows.Media.PixelFormatChannelMask> Masks { get; }

[<get: System.Security.SecurityCritical>]
member this.Masks : System.Collections.Generic.IList<System.Windows.Media.PixelFormatChannelMask>

member this.Masks : System.Collections.Generic.IList<System.Windows.Media.PixelFormatChannelMask>

Public ReadOnly Property Masks As IList(Of PixelFormatChannelMask)

Eigenschaftswert

IList<PixelFormatChannelMask>

Die Auflistung von dem PixelFormat zugeordneten Bitmasken und Verschiebungen.

Attribute

SecurityCriticalAttribute

Beispiele

Im folgenden Beispiel wird gezeigt, wie Sie die Masks Eigenschaft verwenden, um die Bitmasken abzurufen, die dem Pixelformat zugeordnet sind.

public PixelFormat createPixelFormat()
{
    // Create a PixelFormat object.
    PixelFormat myPixelFormat = new PixelFormat();
    
    // Make this PixelFormat a Gray32Float pixel format.
    myPixelFormat = PixelFormats.Gray32Float;

    // Get the number of bits-per-pixel for this format. Because
    // the format is "Gray32Float", the float value returned will be 32.
    int bpp = myPixelFormat.BitsPerPixel;

    // Get the collection of masks associated with this format.
    IList<PixelFormatChannelMask> myChannelMaskCollection = myPixelFormat.Masks;

    // Capture the mask info in a string.
    String stringOfValues = " ";
    foreach (PixelFormatChannelMask myMask in myChannelMaskCollection)
    {
        IList<byte> myBytesCollection = myMask.Mask;
        foreach (byte myByte in myBytesCollection)
        {
            stringOfValues = stringOfValues + myByte.ToString();
        }
    }

    // Return the PixelFormat which, for example, could be 
    // used to set the pixel format of a bitmap by using it to set
    // the DestinationFormat of a FormatConvertedBitmap.
    return myPixelFormat;
}

        Public Function createPixelFormat() As PixelFormat
            ' Create a PixelFormat object.
            Dim myPixelFormat As New PixelFormat()

            ' Make this PixelFormat a Gray32Float pixel format.
            myPixelFormat = PixelFormats.Gray32Float

            ' Get the number of bits-per-pixel for this format. Because
            ' the format is "Gray32Float", the float value returned will be 32.
            Dim bpp As Integer = myPixelFormat.BitsPerPixel

            ' Get the collection of masks associated with this format.
            Dim myChannelMaskCollection As IList(Of PixelFormatChannelMask) = (myPixelFormat.Masks)

            ' Capture the mask info in a string.
            Dim stringOfValues As String = " "
            Dim myMask As PixelFormatChannelMask
            For Each myMask In myChannelMaskCollection
                Dim myBytesCollection As IList(Of Byte) = myMask.Mask
                Dim myByte As Byte
                For Each myByte In myBytesCollection
                    stringOfValues = stringOfValues + myByte.ToString()
                Next myByte
            Next myMask

            ' Return the PixelFormat which, for example, could be 
            ' used to set the pixel format of a bitmap by using it to set
            ' the DestinationFormat of a FormatConvertedBitmap.
            Return myPixelFormat

        End Function 'createPixelFormat
    End Class
End Namespace 'ImagingSnippetGallery