Namespace: PdfSharp.Pdf.Advanced
Represents an image.
public sealed class PdfImage : PdfXObject, System.ICloneable, System.Collections.Generic.IEnumerable`1[[System.Collections.Generic.KeyValuePair`2[[System.String, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[PdfSharp.Pdf.PdfItem, PdfSharp, Version=0.1.3.0, Culture=neutral, PublicKeyToken=null]], System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], System.Collections.IEnumerable
Inheritance Object → PdfItem → PdfObject → PdfDictionary → PdfXObject → PdfImage
Implements ICloneable, IEnumerable<KeyValuePair<String, PdfItem>>, IEnumerable
Gets the underlying XImage object.
public XImage Image { get; }
Gets the dictionary containing the elements of this dictionary.
public DictionaryElements Elements { get; }
Gets or sets the PDF stream belonging to this dictionary. Returns null if the dictionary has no stream. To create the stream, call the CreateStream function.
public PdfStream Stream { get; set; }
Gets the PdfDocument this object belongs to.
public PdfDocument Owner { get; }
Indicates whether the object is an indirect object.
public bool IsIndirect { get; }
Gets the PdfInternals object of this document, that grants access to some internal structures which are not part of the public interface of PdfDocument.
public PdfObjectInternals Internals { get; }
Gets the indirect reference of this object. If the value is null, this object is a direct object.
public PdfReference Reference { get; internal set; }
Gets the indirect reference of this object. Throws if it is null.
public PdfReference ReferenceNotNull { get; }
InvalidOperationException
The indirect reference must be not null here.
Initializes a new instance of PdfImage from an XImage.
public PdfImage(PdfDocument document, XImage image)
document PdfDocument
image XImage
Returns ‘Image’.
public string ToString()
Encodes a bitonal bitmap using 2D group 4 CCITT fax encoding.
internal static int DoFaxEncodingGroup4(Byte[]& imageData, Byte[] imageBits, uint bytesFileOffset, uint width, uint height)
imageData Byte[]&
Space reserved for the fax encoded bitmap. An exception will be thrown if this buffer is too small.
imageBits Byte[]
The bitmap to be encoded.
bytesFileOffset UInt32
Offset of image data in bitmap file.
width UInt32
The width of the image.
height UInt32
The height of the image.
Int32
The size of the fax encoded image (0 on failure).