protected virtual void AddColor(PdfTextResult text, StringBuilder sb)
{
if (!text.StrokeColore.HasValue)
{
return;
}
sb.Append("color:");
PdfHtmlWriter.AppendColor(text.StrokeColore.Value, sb);
sb.Append(";");
}
protected void AddFontClass(PdfTextResult text,
Dictionary <PdfFontDetails, int> fontRef, StringBuilder sb)
{
sb.Append($@" font").Append(fontRef[text.Font] + 1);
if (text.Font.Bold)
{
sb.Append($@" bold");
}
sb.Append(" font-size-")
.Append((Math.Round(text.FontSize * 2) / 2).ToString(formatNumInClassName));
}
private IList <PdfTextResult> MergeTextInLine()
{
var result = new LinkedList <PdfTextResult> {
};
LinkedListNode <PdfTextResult> firstNode = null;
PdfTextBlock lastBlock = null;
PdfTextResult text = null;
PdfLinkResult link = null;
for (var index = 0; index < blocks.Count; index++)
{
var current = blocks[index];
bool currentRTL =
RightToLeftManager.Instance.AssignNeutral(pageContext.PageRTL, current, blocks, index);
bool opositeDirection = pageContext.PageRTL != currentRTL;
// bool digitLtr = current.IsDigit && last?.IsDigit==true;
if (lastBlock != null &&
Equals(lastBlock.StrokeColore, current.StrokeColore) &&
lastBlock.FontSize == current.FontSize &&
lastBlock.Font == current.Font &&
lastBlock.Link == current.Link &&
lastBlock.IsRightToLeft == current.IsRightToLeft)
{
if (opositeDirection) //&&!digitLtr)
{
text.Value = current.Value + text.Value;
}
else
{
text.Value += current.Value;
}
}
else
{
// var stateRtl =
// RightToLeftManager.Instance.PageElemtRtl(pageRTL, currentRightToLeft); // && !digitLtr);
SeperateRtlLtr(opositeDirection, pageContext.PageRTL, current, lastBlock, text);
text = new PdfTextResult
{
FontSize = current.FontSize,
Font = current.Font,
StrokeColore = current.StrokeColore,
Value = current.Value,
};
pageContext.LinkManager.AssignLink(current, text, ref link);
AddNewText(opositeDirection, result, text, ref firstNode);
}
lastBlock = current;
}
return(result.ToArray());
}
protected virtual void AddText(PdfTextResult text,
Dictionary <PdfFontDetails, int> fontRef, StringBuilder sb)
{
sb.Append($@"<span class=""baseline");
AddFontClass(text, fontRef, sb);
var b = text.StrokeColore?.GetBrightness();
if (b > 0.9)
{
sb.Append($@" darken");
}
sb.Append("\" style=\"");
AddColor(text, sb);
sb.Append(@""">");
AddText(text.Value, sb);
sb.Append(@"</span>");
}
public void AssignLink(PdfTextBlock current, PdfTextResult text, ref PdfLinkResult link)
{
if (current.Link != null)
{
if (!string.Equals(link?.Link, current.Link))
{
if (link != null && Log.DebugSupported)
{
Log.Debug("link:" + link);
}
link = new PdfLinkResult {
Link = current.Link
};
}
link.Children.Add(text);
text.LinkParent = link;
}
}
private void SeperateRtlLtr(bool opositeDirection, bool pageRtl,
PdfTextBlock current, PdfTextBlock lastBlock, PdfTextResult lastText)
{
if (opositeDirection)
{
if (lastBlock?.IsRightToLeft == pageRtl &&
//!lastBlock.IsDigit &&
!RightToLeftManager.Instance.IsNeutral(lastBlock.Value[lastBlock.Value.Length - 1]))
{
lastText.Value = lastText.Value + " ";
Log.Debug("seperated:" + lastBlock.Value + "-" + current.Value);
}
}
else
{
if (lastBlock?.IsRightToLeft == !pageRtl &&
// !lastBlock.IsDigit &&
!RightToLeftManager.Instance.IsNeutral(current.Value[0]))
{
current.Value = " " + current.Value;
Log.Debug("seperated:" + lastText.Value + "-" + current.Value);
}
}
}
private static void AddNewText(bool opositeDirection, LinkedList <PdfTextResult> result, PdfTextResult text,
ref LinkedListNode <PdfTextResult> firstNode)
{
if (opositeDirection)
{
if (firstNode == null)
{
result.AddFirst(text);
}
else
{
result.AddAfter(firstNode, text);
}
}
else
{
firstNode = result.AddLast(text);
}
}