XpsImageType Enumeración

Definición

Espacio de nombres:

System.Windows.Xps.Packaging

Ensamblado:

ReachFramework.dll

Especifica los formatos gráficos para las imágenes que se pueden incluir en un XpsDocument.

public enum class XpsImageType

public enum XpsImageType

type XpsImageType = 

Public Enum XpsImageType

Herencia

Object

ValueType

Enum

XpsImageType

Campos

JpegImageType	1	JPEG.
PngImageType	0	Png.
TiffImageType	2	TIFF
WdpImageType	3	Wdp.

Ejemplos

En el ejemplo siguiente se muestra cómo usar esta enumeración al agregar imágenes a un documento XML Paper Specification (XPS).

// ---------------------------- Create() ------------------------------
/// <summary>
///   Creates an XpsDocument using the Xps.Packaging APIs.</summary>
/// <param name="xpsDocument">
///   The XpsDocument to create.</param>
/// <remarks>
///   The Xps.Packaging APIs are used to create the DocumentSequence,
///   FixedDocument, and FixedPage "PackageParts" of an XpsDocument.
///   The applicationt is responsible for using the XmlWriter to
///   serialize the page markup and for supplying the streams for any
///   font or image resources.</remarks>
public void Create(XpsDocument xpsDocument)
{
    // Create the document sequence
    IXpsFixedDocumentSequenceWriter docSeqWriter =
        xpsDocument.AddFixedDocumentSequence();

    // Create the document
    IXpsFixedDocumentWriter docWriter = docSeqWriter.AddFixedDocument();

    // Create the Page
    IXpsFixedPageWriter pageWriter = docWriter.AddFixedPage();

    // Get the XmlWriter
    XmlWriter xmlWriter = pageWriter.XmlWriter;

    // Write the mark up according the XPS Specifications
    BeginFixedPage(xmlWriter);
    AddGlyphRun(pageWriter, xmlWriter,
        "This is a photo of the famous Notre Dame in Paris",
        16, 50, 50, @"C:\Windows\fonts\arial.ttf");

    AddImage(pageWriter, xmlWriter,
        "ParisNotreDame.jpg", XpsImageType.JpegImageType,
        100, 100, 600, 1100 );

    // End the page.
    EndFixedPage( xmlWriter );

    // Close the page, document, and document sequence.
    pageWriter.Commit();
    docWriter.Commit();
    docSeqWriter.Commit();
    _fontDictionary.Clear();
}// end:Create()

' ---------------------------- Create() ------------------------------
''' <summary>
'''   Creates an XpsDocument using the Xps.Packaging APIs.</summary>
''' <param name="xpsDocument">
'''   The XpsDocument to create.</param>
''' <remarks>
'''   The Xps.Packaging APIs are used to create the DocumentSequence,
'''   FixedDocument, and FixedPage "PackageParts" of an XpsDocument.
'''   The applicationt is responsible for using the XmlWriter to
'''   serialize the page markup and for supplying the streams for any
'''   font or image resources.</remarks>
Public Sub Create(xpsDocument As XpsDocument)
    ' Create the document sequence
    Dim docSeqWriter As IXpsFixedDocumentSequenceWriter = xpsDocument.AddFixedDocumentSequence()

    ' Create the document
    Dim docWriter As IXpsFixedDocumentWriter = docSeqWriter.AddFixedDocument()

    ' Create the Page
    Dim pageWriter As IXpsFixedPageWriter = docWriter.AddFixedPage()

    ' Get the XmlWriter
    Dim xmlWriter As XmlWriter = pageWriter.XmlWriter

    ' Write the mark up according the XPS Specifications
    BeginFixedPage(xmlWriter)
    AddGlyphRun(pageWriter, xmlWriter, "This is a photo of the famous Notre Dame in Paris", 16, 50, 50, "C:\Windows\fonts\arial.ttf")

    AddImage(pageWriter, xmlWriter, "ParisNotreDame.jpg", XpsImageType.JpegImageType, 100, 100, 600, 1100)

    ' End the page.
    EndFixedPage(xmlWriter)

    ' Close the page, document, and document sequence.
    pageWriter.Commit()
    docWriter.Commit()
    docSeqWriter.Commit()
    _fontDictionary.Clear()
End Sub

Comentarios

Utilice esta enumeración principalmente como parámetro para los métodos que agregan imágenes a documentos XML Paper Specification (XPS).