protected void AddHighlight(PDFTextExtract extract,
System.Windows.Media.Color highlightColor)
{
for (int pageIdx = extract.StartPage; pageIdx <= extract.EndPage; pageIdx++)
{
int pageStartIdx = pageIdx == extract.StartPage ? extract.StartIndex : 0;
int pageEndIdx = pageIdx == extract.EndPage ? extract.EndIndex : 0;
int pageCount = GetTextLength(pageIdx,
pageStartIdx,
pageEndIdx);
var pageHighlights = ExtractHighlights
.SafeGet(pageIdx,
new List <HighlightInfo>());
pageHighlights.Add(new HighlightInfo
{
CharIndex = pageStartIdx,
CharsCount = pageCount,
Color = highlightColor
}
);
ExtractHighlights[pageIdx] = pageHighlights;
}
}
protected override void DrawTextSelection(PdfBitmap bitmap,
SelectInfo _,
int pageIndex)
{
foreach (var selInfo in SelectInfos)
{
base.DrawTextSelection(bitmap,
selInfo,
pageIndex);
}
base.DrawTextHighlight(bitmap,
ExtractHighlights.SafeGet(pageIndex),
pageIndex);
}
