/// <summary>
/// 已重载:从XML节点加载对象数据
/// </summary>
/// <param name="myElement">XML节点</param>
/// <returns>操作是否成功</returns>
public override bool FromXML(System.Xml.XmlElement myElement)
{
if (base.FromXML(myElement))
{
this.Width = 30;
this.Height = 30;
if (myImage != null)
{
myImage.Dispose();
myImage = null;
imagecontent = string.Empty;
}
if (this.SaveInFile)
{
try
{
myImage = StringCommon.ImageFromBase64String(myElement.InnerText);
}
catch
{
//如果不能加载出图片，则说明是该图片已经被修改过了
//需要使用图片编辑器
myImage = null;
}
if (myImage == null)
{
imagecontent = myElement.InnerText;
MemoryStream ms = new MemoryStream(Convert.FromBase64String(imagecontent));
m_temppanel.LoadImage(ms);
myImage = m_temppanel.CurrentImage;
}
}
else
{
myImage = ZYTextConst.ImageFromURL(this.Src);
//todo
}
if (myImage != null)
{
this.Width = myImage.Size.Width;
this.Height = myImage.Size.Height;
}
if (myElement.HasAttribute(ZYTextConst.c_Width))
{
this.Width = StringCommon.ToInt32Value(myElement.GetAttribute(ZYTextConst.c_Width), intWidth);
}
if (myElement.HasAttribute(ZYTextConst.c_Height))
{
this.Height = StringCommon.ToInt32Value(myElement.GetAttribute(ZYTextConst.c_Height), intHeight);
}
myAttributes.SetValue(ZYTextConst.c_Width, intWidth.ToString());
myAttributes.SetValue(ZYTextConst.c_Height, intHeight.ToString());
return(true);
}
return(false);
}
/// <summary>
/// 加载图片
/// </summary>
/// <returns>根据对象属性设置加载图片对象</returns>
public bool LoadImage()
{
switch (this.ImageType)
{
case ZYTextConst.c_EMRTextDoc:
using (ZYTextDocument myDoc = new ZYTextDocument())
{
myDoc.View = new DocumentView();
myDoc.FromXMLFile(this.Src);
myImage = myDoc.GetPreViewImage();
}
break;
default:
myImage = ZYTextConst.ImageFromURL(this.Src);
break;
}
if (myImage != null)
{
intWidth = myOwnerDocument.PixelToDocumentUnit(myImage.Size.Width);
intHeight = myOwnerDocument.PixelToDocumentUnit(myImage.Size.Height);
}
return(true);
}
