/// <summary>
/// 输出嵌入在RTF文档中的文档元素对象
/// </summary>
/// <param name="element">文档元素对象</param>
/// <param name="attributes">属性列表</param>
/// <param name="resultImage">表示元素内容的图片对象</param>
public void WriteEmbObject(
DomElement element,
Image resultImage)
{
bool disposeImage = false;
if (resultImage == null)
{
resultImage = element.CreateContentImage();
disposeImage = true;
}
Size size = new Size(
GraphicsUnitConvert.ToTwips(resultImage.Width, GraphicsUnit.Pixel),
GraphicsUnitConvert.ToTwips(resultImage.Height, GraphicsUnit.Pixel));
this.WriteStartGroup();
this.WriteKeyword("object");
this.WriteKeyword("objemb");
this.WriteCustomAttribute("objclass", XWriterObjectPrefix + element.GetType().FullName, true);
this.WriteKeyword("objw" + size.Width);
this.WriteKeyword("objh" + size.Height);
StringWriter writer = new StringWriter();
XmlSerializer ser = Xml.MyXmlSerializeHelper.GetElementXmlSerializer(element.GetType());
ser.Serialize(writer, element);
writer.Close();
string xmlText = writer.ToString();
byte[] bs = Encoding.UTF8.GetBytes(xmlText);
this.WriteStartGroup();
this.WriteKeyword("objdata", true);
this.WriteBytes(bs);
this.WriteEndGroup();
this.WriteStartGroup();
this.WriteKeyword("result");
this.WriteImage(
resultImage,
resultImage.Width,
resultImage.Height,
null,
element.RuntimeStyle);
this.WriteEndGroup();
this.WriteEndGroup();
if (disposeImage)
{
resultImage.Dispose();
}
}
/// <summary>
/// 输出图片类型的元素
/// </summary>
/// <param name="element">文档元素对象</param>
public void WriteImageElement(DomElement element)
{
DocumentContentStyle style = element.RuntimeStyle;
Image img = element.CreateContentImage();
if (img != null)
{
HtmlAttachFile file = this.AddImage(img, null);
WriteStartElement("img");
WriteStartStyle();
WriteDocumentContentStyle(element.RuntimeStyle, element);
WriteEndStyle();
WriteAttributeString("src", file.ReferenceCode);
WriteAttributeString(
"width",
GraphicsUnitConvert.ToCSSLength(
element.Width,
element.OwnerDocument.DocumentGraphicsUnit,
CssLengthUnit.Pixels));
WriteAttributeString(
"width",
GraphicsUnitConvert.ToCSSLength(
element.Height,
element.OwnerDocument.DocumentGraphicsUnit,
CssLengthUnit.Pixels));
if (element is DomImageElement)
{
string title = ((DomImageElement)element).Title;
if (title != null && title.Length > 0)
{
WriteAttributeString("title", title);
}
}
WriteEndElement();
}
}
