Class EmfDeleteObject
Numele spaţiului: Aspose.Imaging.FileFormats.Emf.Emf.Records Asamblare: Aspose.Imaging.dll (25.4.0)
Înregistrarea EMR_DELETEOBJECT șterge un obiect grafic, care este specificat de indicele sale în tabelul Obiectelor EMF (secțiunea 3.1.1.1).
public sealed class EmfDeleteObject : EmfRecordInheritance
object ← MetaObject ← EmfRecord ← EmfDeleteObject
Membrii moștenitori
EmfRecord.Type , EmfRecord.Size , object.GetType() , object.ToString() , object.Equals(object?) , object.Equals(object?, object?) , object.ReferenceEquals(object?, object?) , object.GetHashCode()
Constructors
EmfDeleteObject(EmfRecord)
Inițializează o nouă instanță a clasei Aspose.Imaging.FileFormats.Emf.Emb.Records.EMfDeleteObject.
public EmfDeleteObject(EmfRecord record)Parameters
record EmfRecord
şi recordul .
EmfDeleteObject()
Inițializează o nouă instanță a clasei Aspose.Imaging.FileFormats.Emf.Emb.Records.EMfDeleteObject.
public EmfDeleteObject()Examples
Următorul exemplu arată modul de setare a culorii de fundal pentru EMF. De fapt, pune un rectanglu al culorilor de fond înainte de a desena toate celelalte obiecte.
string dir = "c:\\aspose.imaging\\issues\\net\\3280\\";
string inputFilePath = dir + "image1.emf";
string outputFilePath = dir + "ChangeBackground_" + "image1.emf";
using (Aspose.Imaging.FileFormats.Emf.MetaImage image = (Aspose.Imaging.FileFormats.Emf.MetaImage)Aspose.Imaging.Image.Load(inputFilePath))
{
AddBackgroundRectangleEmf((Aspose.Imaging.FileFormats.Emf.EmfImage)image, Aspose.Imaging.Color.Blue);
image.Save(outputFilePath);
}
/// <summary>
/// Helper method to change EMF background.
/// </summary>
public static void AddBackgroundRectangleEmf(Aspose.Imaging.FileFormats.Emf.EmfImage image, Aspose.Imaging.Color color)
{
image.CacheData();
if (image.Records.Count < 1)
{
return;
}
//Set Rectangle
Aspose.Imaging.FileFormats.Emf.Emf.Records.EmfRectangle rectangle = new Aspose.Imaging.FileFormats.Emf.Emf.Records.EmfRectangle();
rectangle.Box = image.Header.EmfHeader.Bounds;
//Set Brush
Aspose.Imaging.FileFormats.Emf.Emf.Records.EmfCreateBrushIndirect brush = new Aspose.Imaging.FileFormats.Emf.Emf.Records.EmfCreateBrushIndirect();
brush.LogBrush = new Aspose.Imaging.FileFormats.Emf.Emf.Objects.EmfLogBrushEx();
brush.LogBrush.Argb32ColorRef = color.ToArgb();
// Object indexes start at 1; zero is reserved for references to the metafile itself, see
// https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-emf/e4fa4e63-9096-4cdc-b776-85e2a1e4e1f4
brush.IhBrush = 1;
//Select brush
Aspose.Imaging.FileFormats.Emf.Emf.Records.EmfSelectObject selectObject = new Aspose.Imaging.FileFormats.Emf.Emf.Records.EmfSelectObject();
selectObject.ObjectHandle = 1;
//Remove brush
Aspose.Imaging.FileFormats.Emf.Emf.Records.EmfDeleteObject deleteObject = new Aspose.Imaging.FileFormats.Emf.Emf.Records.EmfDeleteObject();
deleteObject.ObjectHandle = 1;
//Add records
image.Records.Insert(1, brush);
image.Records.Insert(2, selectObject);
image.Records.Insert(3, rectangle);
image.Records.Insert(4, deleteObject);
}Properties
ObjectHandle
Obține sau setă un întreg non-signat de 32 de biți care specifică fie indexul unui obiect graficîn tabelul EMF Object sau indexul unui obiect de stoc din lista StockObject.
public int ObjectHandle { get; set; }