public IEnumerable <TextLine> ProcessPage(int pageNumber, BlockPage page)
{
foreach (var bset in page.AllBlocks)
{
int blockId = 0;
var bline = bset as BlockLine;
var pageInfo = new TextPageInfo()
{
PageNumber = pageNumber,
BlockId = blockId
};
var newLine = new TextLine
{
Text = bline.Text,
FontName = bline.FontName,
FontSize = bline.FontSize,
FontStyle = bline.FontStyle,
Block = bline,
PageInfo = pageInfo
};
blockId++;
yield return(newLine);
}
}
TextLine CreateTableLine(IBlock bl, TextPageInfo pageInfo)
{
string blockType = "UNKNOWN";
if (bl is ImageBlock)
{
blockType = "IMG";
}
if (bl is TableSet)
{
blockType = "TABLE";
}
int pageNumber = pageInfo.PageNumber;
float x1 = bl.GetX();
float h1 = bl.GetH();
float x2 = bl.GetX() + bl.GetWidth();
float h2 = bl.GetH() + bl.GetHeight();
return(new TextLine
{
FontName = "FontTable",
FontSize = 5,
FontStyle = "Regular",
Text = $"\n[[[{blockType}(page={pageNumber},{x1},{h1},{x2},{h2})]]]\n",
MarginLeft = 0,
MarginRight = 0,
BeforeSpace = null,
AfterSpace = null,
HasLargeSpace = true,
Block = bl,
HasBackColor = false,
PageInfo = pageInfo
});
}
List <TextLine> ProcessLine(IBlockSet <IBlock> bset, TextPageInfo pageInfo)
{
var items = bset;
float minx = bset.GetX();
float maxx = bset.GetX() + bset.GetWidth();
float last_y = float.NaN;
TextLine last_tl = null;
var lines = new List <TextLine>();
foreach (var it in items)
{
var bl = (BlockLine)it;
var tl = new TextLine
{
FontName = bl.FontName,
FontSize = bl.FontSize,
FontStyle = bl.FontStyle,
Text = bl.Text,
MarginLeft = bl.GetX() - minx,
MarginRight = maxx - (bl.GetX() + bl.GetWidth()),
BeforeSpace = (last_tl != null) ? (float?)(last_y - bl.GetH() - bl.FontSize) : null,
AfterSpace = null,
HasLargeSpace = bl.HasLargeSpace,
Block = bl,
HasBackColor = bl.HasBackColor,
PageInfo = pageInfo
};
tl.CenteredAt = 0.5f * (tl.MarginLeft - tl.MarginRight);
lines.Add(tl);
if (last_tl != null)
{
if (float.IsNaN(last_y))
{
PdfReaderException.AlwaysThrow("float.IsNaN(last_y)");
}
float a = bl.GetHeight();
float b = bl.FontSize;
float diff = last_y - bl.GetH();
last_tl.AfterSpace = (last_y - bl.GetH() - bl.FontSize);
if (diff < 1f)
{
PdfReaderException.Warning("BlockLines in different lines - result in wrong text aligment");
}
}
last_tl = tl;
last_y = bl.GetH();
}
return(lines.ToList());
}
TextLine CreateTableLine(IBlock bl, TextPageInfo pageInfo)
{
return(new TextLine
{
FontName = "FontTable",
FontSize = 5,
FontStyle = "Regular",
Text = "", //"**TABLE**",
MarginLeft = 0,
MarginRight = 0,
BeforeSpace = null,
AfterSpace = null,
HasLargeSpace = true,
Block = bl,
HasBackColor = false,
PageInfo = pageInfo
});
}
public IEnumerable <TextLine> ProcessPage(int pageNumber, BlockPage page)
{
int blockId = 0;
foreach (var bset in page.AllBlocks)
{
var blockArea = bset as IBlockSet <IBlock>;
var pageInfo = new TextPageInfo()
{
PageNumber = pageNumber,
BlockId = blockId
};
if (bset is MarkLine)
{
continue;
}
if (bset is ImageBlock || bset is TableSet)
{
yield return(CreateTableLine(bset, pageInfo));
continue;
}
// TODO: fix this bug
if (blockArea.First() is TableCell)
{
PdfReaderException.Throw("blockArea.First() is TableCell");
continue;
}
var lines = ProcessLine(blockArea, pageInfo);
foreach (var l in lines)
{
yield return(l);
}
blockId++;
}
}
