private static List <Record> EncodeWorkbook(Workbook workbook)
{
SharedResource sharedResource = new SharedResource(true);
List <Record> book_records = new List <Record>();
BOF bof = new BOF();
bof.BIFFversion = 0x0600; //0600H = BIFF8
bof.StreamType = StreamType.WorkbookGlobals;
bof.BuildID = 3515;
bof.BuildYear = 1996;
bof.RequiredExcelVersion = 6;
book_records.Add(bof);
CODEPAGE codepage = new CODEPAGE();
codepage.CodePageIdentifier = (ushort)Encoding.Unicode.CodePage;
book_records.Add(codepage);
WINDOW1 window = new WINDOW1();
window.WindowWidth = 16384;
window.WindowHeight = 8192;
window.SelecteWorksheets = 1;
window.TabBarWidth = 600;
window.OptionFlags = 56;
book_records.Add(window);
DATEMODE dateMode = new DATEMODE();
dateMode.Mode = 1;
sharedResource.BaseDate = DateTime.Parse("1904-01-01");
book_records.Add(dateMode);
List <List <Record> > all_sheet_records = new List <List <Record> >();
foreach (Worksheet worksheet in workbook.Worksheets)
{
List <Record> sheet_records = WorkSheetEncoder.Encode(worksheet, sharedResource);
Record.EncodeRecords(sheet_records);
all_sheet_records.Add(sheet_records);
}
book_records.AddRange(sharedResource.FormatRecords.ToArray());
book_records.AddRange(sharedResource.ExtendedFormats.ToArray());
List <BOUNDSHEET> boundSheets = new List <BOUNDSHEET>();
foreach (Worksheet worksheet in workbook.Worksheets)
{
BOUNDSHEET boundSheet = new BOUNDSHEET();
boundSheet.Visibility = 0; // 00H = Visible
boundSheet.SheetType = (byte)SheetType.Worksheet;
boundSheet.SheetName = worksheet.Name;
boundSheet.StreamPosition = 0;
boundSheets.Add(boundSheet);
book_records.Add(boundSheet);
}
if (sharedResource.Images.Count > 0)
{
book_records.Add(EncodeImages(sharedResource.Images));
}
Record.EncodeRecords(book_records);
int sstOffset = Record.CountDataLength(book_records);
book_records.Add(sharedResource.SharedStringTable);
book_records.Add(CreateEXTSST(sharedResource.SharedStringTable, sstOffset));
EOF eof = new EOF();
book_records.Add(eof);
Record.EncodeRecords(book_records);
int dataLength = Record.CountDataLength(book_records);
for (int i = 0; i < workbook.Worksheets.Count; i++)
{
boundSheets[i].StreamPosition = (uint)dataLength;
boundSheets[i].Encode();
int sheet_length = Record.CountDataLength(all_sheet_records[i]);
dataLength += sheet_length;
}
List <Record> all_records = new List <Record>();
all_records.AddRange(book_records);
foreach (List <Record> sheet_records in all_sheet_records)
{
all_records.AddRange(sheet_records);
}
return(all_records);
}
public static List <Record> Encode(Worksheet worksheet, SharedResource sharedResource)
{
List <Record> records = new List <Record>();
BOF bof = new BOF();
bof.BIFFversion = 0x0600; //0600H = BIFF8
bof.StreamType = StreamType.Worksheet;
bof.BuildID = 3515;
bof.BuildYear = 1996;
bof.RequiredExcelVersion = 6;
records.Add(bof);
foreach (KeyValuePair <Pair <UInt16, UInt16>, UInt16> colWidth in worksheet.Cells.ColumnWidth)
{
COLINFO colInfo = new COLINFO();
colInfo.FirstColIndex = colWidth.Key.Left;
colInfo.LastColIndex = colWidth.Key.Right;
colInfo.Width = colWidth.Value;
records.Add(colInfo);
}
DIMENSIONS dimensions = new DIMENSIONS();
if (worksheet.Cells.Rows.Count > 0)
{
dimensions.FirstRow = worksheet.Cells.FirstRowIndex;
dimensions.FirstColumn = (Int16)worksheet.Cells.FirstColIndex;
dimensions.LastRow = worksheet.Cells.LastRowIndex + 1;
dimensions.LastColumn = (Int16)(worksheet.Cells.LastColIndex + 1);
}
records.Add(dimensions);
// each Row Block contains 32 consecutive rows
List <Record> rowblock = new List <Record>(32);
List <Record> cellblock = new List <Record>();
for (int rowIndex = dimensions.FirstRow; rowIndex < dimensions.LastRow; rowIndex++)
{
if (worksheet.Cells.Rows.ContainsKey(rowIndex))
{
Row sheetRow = worksheet.Cells.Rows[rowIndex];
ROW biffRow = new ROW();
biffRow.RowIndex = (UInt16)rowIndex;
biffRow.FirstColIndex = (UInt16)sheetRow.FirstColIndex;
biffRow.LastColIndex = (UInt16)(sheetRow.LastColIndex + 1);
biffRow.RowHeight = sheetRow.Height;
biffRow.Flags = 0x0F0100; // defaul value 0x0100
rowblock.Add(biffRow);
for (int colIndex = sheetRow.FirstColIndex; colIndex <= sheetRow.LastColIndex; colIndex++)
{
Cell cell = sheetRow.GetCell(colIndex);
if (cell != Cell.EmptyCell && cell.Value != null)
{
CellValue cellRecord = EncodeCell(cell, sharedResource);
cellRecord.RowIndex = (UInt16)rowIndex;
cellRecord.ColIndex = (UInt16)colIndex;
cellRecord.XFIndex = (UInt16)sharedResource.GetXFIndex(cell.Format);
cellblock.Add(cellRecord);
}
}
if (rowblock.Count == 32)
{
records.AddRange(rowblock);
records.AddRange(cellblock);
rowblock.Clear();
cellblock.Clear();
}
}
}
if (rowblock.Count > 0)
{
records.AddRange(rowblock);
records.AddRange(cellblock);
}
if (worksheet.Pictures.Count > 0)
{
records.Add(EncodePictures(worksheet.Pictures, sharedResource, worksheet));
for (ushort id = 1; id <= worksheet.Pictures.Count; id++)
{
OBJ obj = new OBJ();
CommonObjectData objData = new CommonObjectData();
objData.ObjectID = id;
objData.ObjectType = 8;
objData.OptionFlags = 24593;
obj.SubRecords.Add(objData);
obj.SubRecords.Add(new End());
records.Add(obj);
}
}
EOF eof = new EOF();
records.Add(eof);
return(records);
}