public void Add(string text, TextFromBaseLine stat)
{
if (!string.IsNullOrEmpty(text))
{
lst.Add(new TextAndState(stat, text, false));
OnTextChanged();
}
}
public void Add(string text, TextFromBaseLine stat, bool continuous)
{
if (!string.IsNullOrEmpty(text))
{
lst.Add(new TextAndState(stat, text, continuous));
OnTextChanged();
}
}
public void Add(string text,
char normal, char subscript, char superscript)
{
StringBuilder sb = new StringBuilder();
TextFromBaseLine stat = TextFromBaseLine.Normal;
TextFromBaseLine statHelper = TextFromBaseLine.Normal;
bool bNew = true;
bool bAdd = false;
sb.Remove(0, sb.Length);
foreach (char c in text.ToCharArray())
{
bNew = true;
if (c == normal)
{
statHelper = TextFromBaseLine.Normal;
}
else if (c == subscript)
{
statHelper = TextFromBaseLine.Subscript;
}
else if (c == superscript)
{
statHelper = TextFromBaseLine.Superscript;
}
else
{
bNew = false;
sb.Append(c);
}
if (bNew)
{
string s = sb.ToString();
if (!string.IsNullOrEmpty(s))
{
lst.Add(new TextAndState(stat, s, false));
bAdd = true;
}
sb.Remove(0, sb.Length);
}
stat = statHelper;
}
string ss = sb.ToString();
if (!string.IsNullOrEmpty(ss))
{
lst.Add(new TextAndState(stat, ss, false));
bAdd = true;
}
if (bAdd)
{
OnTextChanged();
}
}
private SizeF MeasureStringWindows(Graphics g, Font font, bool fixedHeight)
{
Init(font, out Font subsup, out int subsupY);
float x = 0;
float y = subsupY;
float xx, yy;
xx = yy = 0;
float x2 = x;
TextFromBaseLine old = TextFromBaseLine.Normal;
foreach (TextAndState ts in lst)
{
xx = x2;
if (old != ts.Stat)
{
xx += 2;
}
yy = (ts.Stat == TextFromBaseLine.Normal ? y :
(ts.Stat == TextFromBaseLine.Subscript ?
y + font.Height / 2 : y - subsupY));
x2 += MyDrawString(ts.Text, g,
null,
(ts.Stat == TextFromBaseLine.Normal ? font : subsup),
ref xx, ref yy, true, ts.Continuous);
old = ts.Stat;
}
if (fixedHeight)
{
return(new SizeF(xx - x, 2 * subsupY + font.Height));
}
foreach (TextAndState ts in lst)
{
if (ts.Stat != TextFromBaseLine.Normal)
{
return(new SizeF(xx - x, 2 * subsupY + font.Height));
}
}
return(new SizeF(xx - x, font.Height));
}
private void DrawStringWindows(Graphics g, Font font, Brush br,
float x, float y, bool fixedHeight)
{
Init(font, out Font subsup, out int subsupY);
y += subsupY;
bool allIsNormal = true;
foreach (TextAndState ts in lst)
{
allIsNormal &= (ts.Stat == TextFromBaseLine.Normal);
}
float xx = x;
TextFromBaseLine old = TextFromBaseLine.Normal;
foreach (TextAndState ts in lst)
{
xx = x;
if (old != ts.Stat)
{
xx += 2;
}
float yy = (ts.Stat == TextFromBaseLine.Normal ? y :
(ts.Stat == TextFromBaseLine.Subscript ?
y + font.Height / 2 : y - subsupY));
if (allIsNormal && !fixedHeight)
{
yy = y - subsupY;
}
x += MyDrawString(ts.Text, g,
br,
(ts.Stat == TextFromBaseLine.Normal ? font : subsup),
ref xx, ref yy, false, ts.Continuous);
old = ts.Stat;
}
}
public TextAndState(TextFromBaseLine stat, string text, bool continuous)
{
Stat = stat;
Text = text;
Continuous = continuous;
}
public void Insert(int index, string text, TextFromBaseLine stat, bool continuous)
{
lst.Insert(index, new TextAndState(stat, text, continuous));
OnTextChanged();
}
public void Insert(int index, string text, TextFromBaseLine stat)
{
lst.Insert(index, new TextAndState(stat, text, false));
OnTextChanged();
}
