private static List<Record> ReadRecords(Stream stream, out MSODRAWINGGROUP drawingGroup)
{
List<Record> records = new List<Record>();
drawingGroup = null;
Record record = Record.Read(stream);
record.Decode();
Record last_record = record;
if (record is BOF && ((BOF)record).StreamType == StreamType.WorkbookGlobals)
{
while (record.Type != RecordType.EOF)
{
if (record.Type == RecordType.CONTINUE)
{
last_record.ContinuedRecords.Add(record);
}
else
{
switch (record.Type)
{
case RecordType.MSODRAWINGGROUP:
if (drawingGroup == null)
{
drawingGroup = record as MSODRAWINGGROUP;
records.Add(record);
}
else
{
drawingGroup.ContinuedRecords.Add(record);
}
break;
default:
records.Add(record);
break;
}
last_record = record;
}
record = Record.Read(stream);
}
records.Add(record);
}
else
{
throw new Exception("Invalid Workbook.");
}
return records;
}
private static Record EncodeImages(IList<Image> images)
{
MSODRAWINGGROUP drawingGroup = new MSODRAWINGGROUP();
MsofbtDggContainer dggContainer = new MsofbtDggContainer();
drawingGroup.EscherRecords.Add(dggContainer);
MsofbtDgg dgg = new MsofbtDgg();
dgg.NumSavedDrawings = images.Count;
dgg.NumSavedShapes = images.Count + 1;
dgg.MaxShapeID = 1024 + dgg.NumSavedShapes;
dgg.GroupIdClusters.Add(1, dgg.NumSavedShapes);
dggContainer.EscherRecords.Add(dgg);
MsofbtBstoreContainer bstoreContainer = new MsofbtBstoreContainer();
bstoreContainer.Instance = (ushort)images.Count;
foreach (Image image in images)
{
MsofbtBSE blipStoreEntry = new MsofbtBSE();
blipStoreEntry.UID = Guid.NewGuid();
blipStoreEntry.Ref = 1;
blipStoreEntry.Version = 2;
blipStoreEntry.BlipRecord = CreateBlipRecord(image);
blipStoreEntry.BlipRecord.Type = image.Format;
blipStoreEntry.BlipRecord.ImageData = image.Data;
blipStoreEntry.BlipRecord.UID = blipStoreEntry.UID;
blipStoreEntry.BlipRecord.Marker = 255;
blipStoreEntry.SetBlipType(image.Format);
bstoreContainer.EscherRecords.Add(blipStoreEntry);
}
dggContainer.EscherRecords.Add(bstoreContainer);
MsofbtOPT defautProperties = new MsofbtOPT();
defautProperties.Add(PropertyIDs.FitTextToShape, 524296);
defautProperties.Add(PropertyIDs.FillColor, 134217793);
defautProperties.Add(PropertyIDs.LineColor, 134217792);
dggContainer.EscherRecords.Add(defautProperties);
MsofbtSplitMenuColors splitMenuColors = new MsofbtSplitMenuColors();
splitMenuColors.Instance = 4;
splitMenuColors.Color1 = 134217741;
splitMenuColors.Color2 = 134217740;
splitMenuColors.Color3 = 134217751;
splitMenuColors.Color4 = 268435703;
dggContainer.EscherRecords.Add(splitMenuColors);
return drawingGroup;
}
