XpsImageType Enumeração

Definição

Namespace:

System.Windows.Xps.Packaging

Assembly:

ReachFramework.dll

Especifica formatos gráficos para imagens que podem ser incluídas em um XpsDocument.

public enum class XpsImageType

public enum XpsImageType

type XpsImageType = 

Public Enum XpsImageType

Herança

Object

ValueType

Enum

XpsImageType

Campos

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

Exemplos

O exemplo a seguir mostra como usar essa enumeração quando você adiciona imagens a um documento XPS (Especificação de Papel XML).

// ---------------------------- 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

Comentários

Use essa enumeração principalmente como um parâmetro para métodos que adicionam imagens a documentos XPS (Especificação de Papel XML).