XpsImageType Énumération
Définition
Important
Certaines informations portent sur la préversion du produit qui est susceptible d’être en grande partie modifiée avant sa publication. Microsoft exclut toute garantie, expresse ou implicite, concernant les informations fournies ici.
Spécifie des formats graphiques pour les images qui peuvent être incluses dans un XpsDocument.
public enum class XpsImageType
public enum XpsImageType
type XpsImageType =
Public Enum XpsImageType
- Héritage
Champs
JpegImageType | 1 | JPEG. |
PngImageType | 0 | Png. |
TiffImageType | 2 | TIFF |
WdpImageType | 3 | Pdeo. |
Exemples
L’exemple suivant montre comment utiliser cette énumération lorsque vous ajoutez des images à un document XPS (XML Paper Specification).
// ---------------------------- 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
Remarques
Utilisez cette énumération principalement comme paramètre pour les méthodes qui ajoutent des images aux documents XPS (XML Paper Specification).