XpsImageType Enumeração
Definição
Importante
Algumas informações dizem respeito a um produto pré-lançado que pode ser substancialmente modificado antes de ser lançado. A Microsoft não faz garantias, de forma expressa ou implícita, em relação à informação aqui apresentada.
Especifica formatos gráficos para imagens que podem ser incluídas num XpsDocument.
public enum class XpsImageType
public enum XpsImageType
type XpsImageType =
Public Enum XpsImageType
- Herança
Campos
| Name | Valor | Description |
|---|---|---|
| PngImageType | 0 | PNG. |
| JpegImageType | 1 | JPEG. |
| TiffImageType | 2 | TIFF |
| WdpImageType | 3 | WDP. |
Exemplos
O exemplo seguinte mostra como usar esta enumeração quando adiciona imagens a um 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
Observações
Use esta enumeração principalmente como parâmetro para métodos que adicionam imagens a documentos XML Paper Specification (XPS).