public Rectangle GetRect(int i, int n)
{
TextChar start = GetChar(i);
TextChar end = GetChar(i + n - 1);
return(start == null || end == null ? null : new Rectangle(start.x1, start.y1, end.x2 - start.x1 + 1, end.y2 - start.y1 + 1));
}
public bool AddChar(TextChar c)
{
float cy = (c.y1 + c.y2) / 2;
if (chars.Count == 0)
{
this.y1 = c.y1;
this.y2 = c.y2;
chars.Add(c);
return(true);
}
if (this.y1 <= cy && cy <= this.y2)
{
if (c.y1 < this.y1)
{
this.y1 = c.y1;
}
if (c.y2 > this.y2)
{
this.y2 = c.y2;
}
chars.Add(c);
return(true);
}
return(false);
}
public void Finish()
{
chars = chars.OrderBy((TextChar a) => a.x1).ToList();
var nchars = new List <TextChar> ();
words = new List <TextWord> ();
TextWord word = null;
foreach (TextChar c in chars)
{
if (word == null || word.AddChar(c) == false)
{
if (word != null)
{
TextChar c2 = new TextChar();
c2.x1 = c.x1;
c2.y1 = c.y1;
c2.x2 = c.x2;
c2.y2 = c.y2;
c2.fontFamily = c.fontFamily;
c2.fontSize = c.fontSize;
nchars.Add(c2);
}
word = new TextWord();
words.Add(word);
word.AddChar(c);
}
nchars.Add(c);
}
chars = nchars;
this.x1 = words[0].x1;
this.x2 = words[words.Count - 1].x2;
this.text = null;
foreach (TextWord w in words)
{
text = text == null ? w.text : (text + " " + w.text);
w.Finish(this);
}
if (this.text.Length != this.chars.Count)
{
throw new Exception("Error while creating lines from PDF.");
}
}
public override void EventOccurred(IEventData data, EventType type)
{
if (!type.Equals(EventType.RENDER_TEXT))
{
return;
}
TextRenderInfo renderInfo = (TextRenderInfo)data;
string curFont = renderInfo.GetFont().GetFontProgram().ToString();
float curFontSize = renderInfo.GetFontSize();
IList <TextRenderInfo> text = renderInfo.GetCharacterRenderInfos();
foreach (TextRenderInfo t in text)
{
string letter = t.GetText();
Vector letterStart = t.GetDescentLine().GetStartPoint();
Vector letterEnd = t.GetAscentLine().GetEndPoint();
if (letter != " " && !letter.Contains(" "))
{
TextChar c = new TextChar();
chars.Add(c);
c.text = letter;
c.x1 = letterStart.Get(0);
c.x2 = letterEnd.Get(0);
c.y1 = letterStart.Get(1);
c.y2 = letterEnd.Get(1);
if (c.y1 > c.y2)
{
c.y1 = letterEnd.Get(1);
c.y2 = letterStart.Get(1);
}
c.fontFamily = curFont;
c.fontSize = curFontSize;
}
}
}
public bool AddChar(TextChar c)
{
if (chars.Count == 0)
{
this.x1 = c.x1;
this.x2 = c.x2;
this.text = c.text;
chars.Add(c);
return(true);
}
if (c.x1 - chars[chars.Count - 1].x2 < 2)
{
this.text += c.text;
this.x2 = c.x2;
chars.Add(c);
return(true);
}
return(false);
}
