int DrawLinePortion(Context cr, ChunkStyle style, TextLayout layout, DocumentLine line, int visualOffset, int logicalLength)
{
int logicalColumn = line.GetLogicalColumn(editor, visualOffset);
int logicalEndColumn = logicalColumn + logicalLength;
int visualEndOffset = line.GetVisualColumn(editor, logicalEndColumn);
int visualLength = visualEndOffset - visualOffset;
int indexOffset = visualOffset - 1;
layout.SetFontStyle(style.FontStyle, indexOffset, visualLength);
layout.SetFontWeight(style.FontWeight, indexOffset, visualLength);
if (style.Underline)
{
layout.SetUnderline(indexOffset, visualLength);
}
layout.SetForeground(style.Foreground, indexOffset, visualLength);
return(visualEndOffset);
}
public int XToColumn(DocumentLine line, double x)
{
int visualColumn = (int)(x / CharWidth) + 1;
return(line.GetLogicalColumn(editor, visualColumn));
}