public BlockPage Process(BlockPage page2)
{
var page = page2 as BlockPage2;
if (page == null)
{
PdfReaderException.AlwaysThrow("BlocksetData must execute AFTER OrganizePageLayout");
}
var blocksetInfo = new BlockPage2();
foreach (var segment in page.Segments)
{
var segmentInfo = new BlockPageSegment(blocksetInfo, segment.NumberOfColumns);
foreach (var column in segment.Columns)
{
var columnInfo = CopyColumnMetadata(blocksetInfo, column);
segmentInfo.AddColumn(columnInfo);
}
blocksetInfo.AddSegment(segmentInfo);
}
this._blocksetInfo = blocksetInfo;
return(page);
}
public BlockPage Process(BlockPage page)
{
SetupPage(page);
BlockPage2 newpage = new BlockPage2();
int last_columnType = -1;
int last_columnX = -1;
int last_columnSize = -1;
BlockPageSegment segment = null;
BlockColumn column = null;
foreach (var block in page.AllBlocks)
{
float x = block.GetX() - _minX;
float x2 = block.GetX() + block.GetWidth() - _minX;
float w = block.GetWidth();
int columnSize = GetColumnWidth(w);
int columnType = GetNumberOfColumns(columnSize);
// different Page Segment
if (columnType != last_columnType)
{
segment = new BlockPageSegment(newpage, columnType);
newpage.AddSegment(segment);
//Console.WriteLine(columnType);
//Console.WriteLine("add new segment/column");
last_columnType = columnType;
last_columnX = -1;
last_columnSize = -1;
}
int position = GetColumnX(x, columnType);
if (last_columnX != position || last_columnSize != columnSize)
{
//Console.WriteLine($"NEW COLUMN");
column = new BlockColumn(newpage, columnType, position, columnSize);
segment.AddColumn(column);
last_columnX = position;
last_columnSize = columnSize;
}
//Console.WriteLine($"position x: {position} (ADDBLOCK)");
column.AddBlock(block);
}
//Console.WriteLine($"Page type = {newpage.ToString()}");
_pageLayout = newpage.ToString();
return(newpage);
}
public BlockPage Process(BlockPage page2)
{
var page = page2 as BlockPage2;
if (page == null)
{
PdfReaderException.AlwaysThrow("ResizeSequentialLayout must execute AFTER OrganizePageLayout");
}
var result = new BlockPage2();
foreach (var segment in page.Segments)
{
BlockPageSegment newsegment = new BlockPageSegment(result, segment.NumberOfColumns);
foreach (var column in segment.Columns)
{
BlockColumn newcolumn = new BlockColumn(result, column.ColumnType, column.X1, column.W);
float minX = column.Min(b => b.GetX());
float maxX = column.Max(b => b.GetX() + b.GetWidth());
foreach (var block in column)
{
var bset = block as IBlockSet <IBlock>;
if (block is TableSet || block is ImageBlock)
{
newcolumn.Add(block);
continue;
}
if (bset == null)
{
PdfReaderException.AlwaysThrow("not expected");
}
var resizeBset = ResizeBlockSet(bset, minX, maxX);
newcolumn.Add(resizeBset);
}
newsegment.AddColumn(newcolumn);
}
result.AddSegment(newsegment);
}
return(result);
}
public BlockPage Process(BlockPage page2)
{
var page = page2 as BlockPage2;
if (page == null)
{
PdfReaderException.AlwaysThrow("MergeSequentialLayout must execute AFTER OrganizePageLayout");
}
var result = new BlockPage2();
foreach (var segment in page.Segments)
{
BlockPageSegment newsegment = new BlockPageSegment(result, segment.NumberOfColumns);
foreach (var column in segment.Columns)
{
BlockColumn newcolumn = new BlockColumn(result, column.ColumnType, column.X1, column.W);
IBlock last = null;
var orderedColumns = column.OrderByDescending(b => b.GetH());
foreach (var block in orderedColumns)
{
if (last != null)
{
var b1 = last as IBlockSet <IBlock>;
var b2 = block as IBlockSet <IBlock>;
if (block is TableSet || block is ImageBlock || last is TableSet || last is ImageBlock)
{
newcolumn.Add(last);
last = block;
continue;
}
if (b1 == null || b2 == null)
{
PdfReaderException.AlwaysThrow("not expected");
}
if (Block.SameHeight(b1, b2))
{
last = Merge(b1, b2);
// merge
continue;
}
newcolumn.Add(last);
}
last = block;
}
if (last != null)
{
newcolumn.Add(last);
}
newsegment.AddColumn(newcolumn);
}
result.AddSegment(newsegment);
}
return(result);
}