public ParserState(SongLineParser parser)
{
Token = parser.m_token;
Position = parser.m_index;
Data = parser.m_data;
}
// resi odradkovani, muze se odradkovat jen pri Space
private IEnumerable<string> GetLines(Graphics gfx)
{
List<string> lines = new List<string>();
float tpos = m_x0, apos = m_x0;
SongLineParser par = new SongLineParser(m_text);
SongLineParser.ParserState lastflushed = par.InitState;
SongLineParser.ParserState lastspace = par.InitState;
while (true)
{
if (par.Current == SongLineParser.Token.Word)
{
float wordwi = (float)gfx.MeasureString(par.Data, Options.TextFont).Width;
tpos += wordwi;
par.Read();
}
else if (par.Current == SongLineParser.Token.Space || par.Current == SongLineParser.Token.End)
{
if ((apos > Options.PageWidth || tpos > Options.PageWidth) && (lastspace.Position > lastflushed.Position))
{
yield return par.Original.Substring(lastflushed.Position, lastspace.Position - lastflushed.Position);
lastflushed = lastspace;
par.State = lastspace;
apos = tpos = m_x0;
}
else
{
if (par.Current == SongLineParser.Token.End) break;
tpos += Options.HTextSpace;
lastspace = par.State;
par.Read();
}
if (par.Current == SongLineParser.Token.End) break;
}
else if (par.Current == SongLineParser.Token.Chord)
{
if (tpos < apos) tpos = apos; // aby nebyly 2 akordy pres sebe
apos = tpos;
float chordwi = (float)gfx.MeasureString(par.Data, Options.ChordFont).Width;
apos += chordwi + Options.HChordSpace;
par.Read();
}
}
yield return par.Original.Substring(lastflushed.Position);
}
public override float Draw(Graphics gfx, PointF pt, bool dorender)
{
float acty = 0;
foreach (string line in GetLines(gfx))
{
float tpos = m_x0, apos = m_x0;
SongLineParser par = new SongLineParser(line);
while (par.Current != SongLineParser.Token.End)
{
if (par.Current == SongLineParser.Token.Word)
{
float wordwi = (float)gfx.MeasureString(par.Data, Options.TextFont).Width;
if (dorender) gfx.DrawString(par.Data, Options.TextFont, Options.TextColor, pt.X + tpos, acty + pt.Y + Options.ChordHeight);
tpos += wordwi;
}
if (par.Current == SongLineParser.Token.Space)
{
tpos += Options.HTextSpace;
}
if (par.Current == SongLineParser.Token.Chord)
{
if (tpos < apos) tpos = apos; // aby nebyly 2 akordy pres sebe
apos = tpos;
float chordwi = (float)gfx.MeasureString(par.Data, Options.ChordFont).Width;
if (dorender) gfx.DrawString(par.Data, Options.ChordFont, Options.ChordColor, pt.X + apos, acty + pt.Y);
apos += chordwi + Options.HChordSpace;
}
par.Read();
}
acty += Options.ChordHeight + Options.TextHeight;
}
DrawLabel(gfx, pt, Options.ChordHeight + Options.TextHeight);
return acty;
}
public override float Draw(Graphics gfx, PointF pt, bool dorender)
{
float actx = m_x0;
float acty = 0;
SongLineParser par = new SongLineParser(m_text);
bool wasword = false;
while (par.Current != SongLineParser.Token.End)
{
if (par.Current == SongLineParser.Token.Word)
{
if (wasword) actx += Options.HTextSpace;
float wordwi = (float)gfx.MeasureString(par.Data, Options.TextFont).Width;
if (actx + wordwi > Options.PageWidth && actx > m_x0) // slovo se nevejde na radku
{ // odradkujeme
actx = m_x0;
acty += Options.TextHeight;
}
if (dorender) gfx.DrawString(par.Data, Options.TextFont, Options.TextColor, pt.X + actx, pt.Y + acty);
actx += wordwi;
wasword = true;
}
par.Read();
}
if (actx > 0) acty += Options.TextHeight;
if (dorender) DrawLabel(gfx, pt, Options.TextHeight);
return acty;
}
