private string InitImage(string id)
{
Guid retValue;
var rel = _docRels.Where(c => c.Id == id).First();
string ext = new FileInfo(rel.TargetUri.ToString()).Extension.ToLower();
PackagePart part = _package.GetPart(new Uri("/word/" + rel.TargetUri.ToString(), UriKind.Relative));
using (Stream partStream = part.GetStream())
{
Image img = null;
if (ext == ".wmf" || ext == ".emf")
{
img = new Metafile(partStream);
}
else
{
img = Bitmap.FromStream(partStream);
}
using (MemoryStream ms = new MemoryStream())
{
img.Save(ms, ImageFormat.Png);
retValue = _currentQuestion.AddImage(ms.ToArray());
}
}
return(retValue.ToString());
}
private void ConvertRtf()
{
int count = 0;
string st = String.Empty;
for (int i = 0; i < _rtfCom.Lines.Length; i++)
{
for (int j = 0; j < _rtfCom.Lines[i].Length + 1; j++)
{
_rtfCom.Select(count, 1);
if (ENABLE_TABLES)
{
st += TableProcess(_rtfCom.SelectionTabs.Length > 0);
}
if (_isTable && _rtfCom.SelectedText.Contains("\t"))
{
if (ENABLE_TABLES && _rtfCom.SelectedText.Contains("\n"))
{
st += "</tr>";
_rtfCom.Select(count + 1, 1);
if (_rtfCom.SelectionTabs.Length > 0)
{
st += "<tr><td>";
}
_rtfCom.Select(count, 1);
}
else
{
_rtfCom.Select(count + 1, 1);
if (_rtfCom.SelectionType != (RichTextBoxSelectionTypes.Text
| RichTextBoxSelectionTypes.MultiChar) &&
_rtfCom.SelectionType != (RichTextBoxSelectionTypes.Text
| RichTextBoxSelectionTypes.MultiChar | RichTextBoxSelectionTypes.Object) &&
_rtfCom.SelectionType != (RichTextBoxSelectionTypes.Text | RichTextBoxSelectionTypes.Object
| RichTextBoxSelectionTypes.MultiChar | RichTextBoxSelectionTypes.MultiObject))
{
CloseTags(ref st);
st += "</td><td>";
}
_rtfCom.Select(count, 1);
}
}
if (_rtfCom.SelectionType == RichTextBoxSelectionTypes.Text)
{
st += BoldProcess(_rtfCom.SelectionFont.Bold);
st += ItalicProcess(_rtfCom.SelectionFont.Italic);
st += UnderlineProcess(_rtfCom.SelectionFont.Underline);
st += CharOffsetProcess(_rtfCom.SelectionCharOffset);
st += BulletProcess(_rtfCom.SelectionBullet);
if (_rtfCom.SelectedRtf.IndexOf("\\super") > 0)
{
st += CharOffsetProcess(3);
}
if (_rtfCom.SelectedRtf.IndexOf("\\sub") > 0)
{
st += CharOffsetProcess(-3);
}
st += ColorProcess(_rtfCom.SelectionColor);
if (_rtfCom.SelectedText == "\n")
{
if (_isBullet)
{
_rtfCom.Select(count + 1, 1);
if (_rtfCom.SelectionBullet)
{
st += "<li>";
}
_rtfCom.Select(count, 1);
}
else
{
st += "<br/>";
}
}
else
{
char[] ch = _rtfCom.SelectedText.ToCharArray();
foreach (char c in ch)
{
string st1 = String.Format("&#{0};", ((UInt16)c).ToString(CultureInfo.InvariantCulture));
if ((UInt16)c > 1104)
{
st += st1;
}
else
{
st += HttpUtility.HtmlEncode(_rtfCom.SelectedText);
}
}
}
}
else if (_rtfCom.SelectionType == RichTextBoxSelectionTypes.Object)
{
_rtfCom.Copy();
byte[] pngImage = null;
if (Clipboard.GetDataObject().GetDataPresent(DataFormats.Bitmap))
{
Bitmap bitmap = (Bitmap)Clipboard.GetDataObject().GetData(DataFormats.Bitmap);
using (MemoryStream ms = new MemoryStream())
{
bitmap.Save(ms, ImageFormat.Png);
pngImage = ms.ToArray();
ms.Close();
}
}
else
{
if (ClipboardAPI.OpenClipboard(_rtfCom.Handle))
{
if (ClipboardAPI.IsClipboardFormatAvailable(ClipboardAPI.CF_ENHMETAFILE))
{
IntPtr henmetafile = ClipboardAPI.GetClipboardData(ClipboardAPI.CF_ENHMETAFILE);
Metafile metaFile = new Metafile(henmetafile, true);
ClipboardAPI.CloseClipboard();
int w = FindSize(_rtfCom.SelectedRtf, "picwgoal");
int h = FindSize(_rtfCom.SelectedRtf, "pichgoal");
pngImage = RtfImage.GetMetafile(metaFile, w, h);
Marshal.Release(henmetafile);
}
}
}
if (pngImage == null)
{
count++;
continue;
}
Guid unid = _htmlStore.AddImage(pngImage);
st = String.Format("{0}<img src=\"#${1}.png\"/>", st, unid.ToString());
}
else if (_rtfCom.SelectionType == RichTextBoxSelectionTypes.Object)
{
byte[] pngImage = RtfImage.GetBitmap(_rtfCom.SelectedRtf);
if (pngImage == null)
{
count++;
continue;
}
Guid unid = _htmlStore.AddImage(pngImage);
st = String.Format("{0}<img src=\"#${1}.png\"/>", st, unid.ToString());
}
count++;
}
}
CloseTags(ref st);
_htmlStore.Html = st;
}