/// <summary>
/// Copyies chars at some position with defined length.
/// </summary>
/// <param name="pos">starting position to copy chars</param>
/// <param name="length">length of copied chars</param>
/// <returns></returns>
public List <FastColoredTextBoxNS.Char> CopyChars(int pos, int length)
{
var result = new List <FastColoredTextBoxNS.Char>();
if (pos >= Length)
{
return(result);
}
int copyLength = Math.Min(length, Length - pos);
string s = Text.Substring(pos, copyLength);
result.Capacity = copyLength;
foreach (var c in s)
{
var fctb_c = new FastColoredTextBoxNS.Char
{
c = c,
style = GetStyleIndex(pos)
};
result.Add(fctb_c);
pos++;
}
return(result);
}
/// <summary>
/// Appends style to chars of range
/// </summary>
public void SetStyles(StyleIndex _oFrontIndex, int _nFrontColor, StyleIndex _oBackIndex, int _nBackColor)
{
//set code to chars
int fromLine = Math.Min(End.iLine, Start.iLine);
int toLine = Math.Max(End.iLine, Start.iLine);
int fromChar = FromX;
int toChar = ToX;
if (fromLine < 0)
{
return;
}
//
for (int y = fromLine; y <= toLine; y++)
{
int fromX = y == fromLine ? fromChar : 0;
int toX = y == toLine?Math.Min(toChar - 1, tb[y].Count - 1) : tb[y].Count - 1;
for (int x = fromX; x <= toX; x++)
{
FastColoredTextBoxNS.Char c = tb[y][x];
c.style |= _oFrontIndex | _oBackIndex;
// c.style |= _oFrontIndex ;
c.nCustomData = (ushort)(_nFrontColor | (_nBackColor << 4));
tb[y][x] = c;
}
}
}
public string GetHtml(Range r)
{
this.tb = r.tb;
Dictionary <StyleIndex, object> styles = new Dictionary <StyleIndex, object>();
StringBuilder sb = new StringBuilder();
StringBuilder tempSB = new StringBuilder();
StyleIndex currentStyleId = StyleIndex.None;
r.Normalize();
int currentLine = r.Start.iLine;
styles[currentStyleId] = null;
//
if (UseOriginalFont)
{
sb.AppendFormat("<font style=\"font-family: {0}, monospace; font-size: {1}px; line-height: {2}px;\">",
r.tb.Font.Name, r.tb.CharHeight - r.tb.LineInterval, r.tb.CharHeight);
}
//
if (IncludeLineNumbers)
{
tempSB.AppendFormat("<span class=lineNumber>{0}</span> ", currentLine + 1);
}
//
bool hasNonSpace = false;
foreach (Place p in r)
{
Char c = r.tb[p.iLine][p.iChar];
if (c.style != currentStyleId)
{
Flush(sb, tempSB, currentStyleId);
currentStyleId = c.style;
styles[currentStyleId] = null;
}
if (p.iLine != currentLine)
{
for (int i = currentLine; i < p.iLine; i++)
{
tempSB.AppendLine(UseBr ? "<br>" : "");
if (IncludeLineNumbers)
{
tempSB.AppendFormat("<span class=lineNumber>{0}</span> ", i + 2);
}
}
currentLine = p.iLine;
hasNonSpace = false;
}
switch (c.c)
{
case ' ':
if ((hasNonSpace || !UseForwardNbsp) && !UseNbsp)
{
goto default;
}
tempSB.Append(" ");
break;
case '<':
tempSB.Append("<");
break;
case '>':
tempSB.Append(">");
break;
case '&':
tempSB.Append("&");
break;
default:
hasNonSpace = true;
tempSB.Append(c.c);
break;
}
}
Flush(sb, tempSB, currentStyleId);
if (UseOriginalFont)
{
sb.AppendLine("</font>");
}
//build styles
if (UseStyleTag)
{
tempSB.Length = 0;
tempSB.AppendLine("<style type=\"text/css\">");
foreach (var styleId in styles.Keys)
{
tempSB.AppendFormat(".fctb{0}{{ {1} }}\r\n", GetStyleName(styleId), GetCss(styleId));
}
tempSB.AppendLine("</style>");
sb.Insert(0, tempSB.ToString());
}
if (IncludeLineNumbers)
{
sb.Insert(0, LineNumbersCSS);
}
return(sb.ToString());
}