private static XElement MakeTextBlockElement(GMTextBlock textBlock, IdCounter idCounter)
{
var textBlockElement = MakeXElementWithAttributes(
HocrFormatConsts.XNameDiv, new Dictionary <string, string>()
{
{ "class", HocrFormatConsts.ClassTextBlock },
{ "id", idCounter.NextTextBlockId },
{ "title", FormatTitleAttribute(textBlock.BoundingBox) }
});
foreach (var paragraph in textBlock.Paragraphs())
{
var paragraphElement = MakeXElementWithAttributes(
HocrFormatConsts.XNameP, new Dictionary <string, string>()
{
{ "class", HocrFormatConsts.ClassParagraph },
{ "dir", "ltr" },
{ "id", idCounter.NextParagraphId },
{ "title", FormatTitleAttribute(paragraph.BoundingBox) }
});
textBlockElement.Add(paragraphElement);
foreach (var line in paragraph.Lines())
{
var lineElement = MakeXElementWithAttributes(
HocrFormatConsts.XNameSpan, new Dictionary <string, string>()
{
{ "class", HocrFormatConsts.ClassLine },
{ "id", idCounter.NextLineId },
{ "title", FormatTitleAttribute(line.BoundingBox) }
});
paragraphElement.Add(lineElement);
foreach (var word in line.Words())
{
var wordElement = MakeXElementWithAttributes(
HocrFormatConsts.XNameSpan, new Dictionary <string, string>()
{
{ "class", HocrFormatConsts.ClassWord },
{ "id", idCounter.NextWordId },
{ "title", FormatTitleAttribute(word.BoundingBox, word.Accuracy) },
{ "accuracy", string.Format(CultureInfo.InvariantCulture, "{0:N2}", word.Accuracy / 100.0) }
});
lineElement.Add(wordElement);
wordElement.Add(
new XElement(HocrFormatConsts.XNameStrong, word.Text));
}
}
// TODO: store information about standalone words (they should be split onto lines)
}
return(textBlockElement);
}
private static GMTextBlock ParseTextBlock([NotNull] this XElement textBlockElement)
{
var boundingBox = textBlockElement.ParseBBoxAttribute();
var textBlock = new GMTextBlock(boundingBox);
foreach (var paraElement in textBlockElement.ParagraphElements())
{
var paragraph = paraElement.ParseParagraph();
if (!paragraph.IsEmpty())
{
textBlock.AddParagraph(paragraph);
}
}
return(textBlock);
}
