/// <summary>
/// Add a line to a formatted string.
/// </summary>
/// <param name="fs">A formattedString</param>
/// <param name="fl">A formattedLine</param>
/// <returns>fl appended to fs.</returns>
public static RTFString operator +(RTFString fs, RTFLine fl)
{
RTFString fsNew = fs;
if (fsNew.lines == null)
{
fsNew.lines = new RTFLine[1] {
fl
};
}
else
{
RTFLine[] newlines = new RTFLine[fs.lines.Length + 1];
fs.lines.CopyTo(newlines, 0);
newlines[fs.lines.Length] = fl;
fsNew.lines = newlines;
}
return(fsNew);
}
/// <summary>
/// Creates a RTFString from rtf code.
/// </summary>
/// <param name="rtf">rtf code.</param>
/// <returns>A formattedString version of the rtf code.</returns>
public RTFString parseRTF(string rtf)
{
rtCapture.Rtf = rtf;
rtCapture.SelectAll();
int numChars = rtCapture.SelectionLength;
RTFString text = new RTFString();
text.invalidateMesurements();
RTFLine currentLine = new RTFLine();
RTFChar currentChar = new RTFChar();
ArrayList fontTable = new ArrayList();
int fontIndex;
int i;
for (i = 0; i < numChars; i++)
{
rtCapture.Select(i, 1);
currentChar.FontStyle = rtCapture.SelectionFont.Style;
currentChar.size = rtCapture.SelectionFont.Size;
currentChar.Char = rtCapture.SelectedText[0];
currentChar.col = rtCapture.SelectionColor;
if (currentChar.Char == '\r')
{
//do nothing
}
else if (currentChar.Char == '\n')
{
if (currentLine.count == 0)
{
fontIndex = fontTable.IndexOf(rtCapture.SelectionFont.FontFamily);
if (fontIndex == -1)
{
fontIndex = fontTable.Add(rtCapture.SelectionFont.FontFamily);
}
currentChar.fontIndex = fontIndex;
//append to line
currentLine += currentChar;
}
//end line
currentLine.horizontalAllignment = rtCapture.SelectionAlignment;
currentLine.bulleted = rtCapture.SelectionBullet;
text += currentLine;
currentLine = new RTFLine();
}
else
{
//check font table
fontIndex = fontTable.IndexOf(rtCapture.SelectionFont.FontFamily);
if (fontIndex == -1)
{
fontIndex = fontTable.Add(rtCapture.SelectionFont.FontFamily);
}
currentChar.fontIndex = fontIndex;
//append to line
currentLine += currentChar;
}
}
//check if last line was not terminated and needs apending
if (currentLine.data != null)
{
if (currentLine.data.Length > 0)
{
currentLine.horizontalAllignment = rtCapture.SelectionAlignment;
text += currentLine;
}
}
//build the font table
text.fontTable = new FontFamily[fontTable.Count];
for (i = 0; i < fontTable.Count; i++)
{
text.fontTable[i] = (FontFamily)fontTable[i];
}
return(text);
}
