>> You have PdfWriter.getVerticalPosition()
>
> Thank you very much, this is what I need.
I have some problem with getVerticalPosition, because its value don't match
the correct one:
For example, I have a value of 806, I insert a new line with a pass of 20
pixel, and I have still 806!
I insert another new line with a pass of 20 pixel, and I have 786 (the
correct one are, after the first of 806, 786 and 760!).
N.B. I must insert new line ("\n") with a special Phrase, after previous
Phrase is completed, because I don't know the dimension of Phrase (and then
how much space I need between two lines) before the last Chunk is inserted.
This is the class for my test, and the output that result:
import java.io.FileOutputStream;
import java.io.IOException;
import com.lowagie.text.*;
import com.lowagie.text.pdf.PdfWriter;
class testVerticalPosition
{
static Document document;
static PdfWriter writer;
public static void aggiungeFrase(int i) throws DocumentException
{
System.out.print("(int)writer.getVerticalPosition(false)=");
System.out.println((int)writer.getVerticalPosition(false));
System.out.print("Pixel from old line to new=");
System.out.println(i);
Phrase aCapo=new Phrase((float) (i));//new line with a pass of i pixel
Chunk chunk=new Chunk(System.getProperty("line.separator"));//in
windows, "\n"
aCapo.add(chunk);//add "\n" to Phrase
document.add(aCapo);//add new line to Document
document.add(new Phrase("Questa � una prova"));//add Phrase that go to a
new line, without "\n"
}
public static void main(String[] args)
{
try
{
document=new Document(PageSize.A4,36,36,36,36);
writer=PdfWriter.getInstance(document,new
FileOutputStream("VerticalPosition.pdf"));
document.open();
for (int i=20;i<200;i=i+(int)(20*java.lang.Math.random()))
{aggiungeFrase(i);}
}
catch (DocumentException de)
{System.err.println(de.getMessage());}
catch (IOException ioe)
{System.err.println(ioe.getMessage());}
document.close();
}
}
This is the output:
(int)writer.getVerticalPosition(false)=806
Pixel from old line to new=20
(int)writer.getVerticalPosition(false)=806
Pixel from old line to new=26
(int)writer.getVerticalPosition(false)=786
Pixel from old line to new=37
(int)writer.getVerticalPosition(false)=760
Pixel from old line to new=40
(int)writer.getVerticalPosition(false)=723
Pixel from old line to new=56
(int)writer.getVerticalPosition(false)=683
Pixel from old line to new=66
(int)writer.getVerticalPosition(false)=627
Pixel from old line to new=75
(int)writer.getVerticalPosition(false)=561
Pixel from old line to new=84
(int)writer.getVerticalPosition(false)=486
Pixel from old line to new=92
(int)writer.getVerticalPosition(false)=402
Pixel from old line to new=98
(int)writer.getVerticalPosition(false)=310
Pixel from old line to new=110
(int)writer.getVerticalPosition(false)=212
Pixel from old line to new=112
(int)writer.getVerticalPosition(false)=806
Pixel from old line to new=113
(int)writer.getVerticalPosition(false)=694
Pixel from old line to new=116
(int)writer.getVerticalPosition(false)=581
Pixel from old line to new=131
(int)writer.getVerticalPosition(false)=465
Pixel from old line to new=135
(int)writer.getVerticalPosition(false)=334
Pixel from old line to new=143
(int)writer.getVerticalPosition(false)=199
Pixel from old line to new=149
(int)writer.getVerticalPosition(false)=806
Pixel from old line to new=152
(int)writer.getVerticalPosition(false)=657
Pixel from old line to new=152
(int)writer.getVerticalPosition(false)=505
Pixel from old line to new=152
(int)writer.getVerticalPosition(false)=353
Pixel from old line to new=153
(int)writer.getVerticalPosition(false)=201
Pixel from old line to new=165
(int)writer.getVerticalPosition(false)=806
Pixel from old line to new=179
(int)writer.getVerticalPosition(false)=641
Pixel from old line to new=183
(int)writer.getVerticalPosition(false)=462
Pixel from old line to new=193
(int)writer.getVerticalPosition(false)=279
Pixel from old line to new=196
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