JLabel not displaying all the characters even after dynamically changing font size
- by wniroshan
Hi all,
I am trying to fit a sentence that changes often, in to a few jlabels. Widths of my 3 jlabels stay unchanged all the time. What I am doing is changing the font size so all the characters can fit with out non being out of the display range of the labels. What I do is call below code snippet when ever sentence is changed.
Here is my code
String sentence = "Some long sentence";
int SentenceLength = sentence.length();
int FontSize = 0;
// sum of widths of the three labels
int TotalLblLength=lbl_0ValueInWords.getWidth()+lbl_1ValueInWords.getWidth()+lbl_1ValueInWords.getWidth();
/*decide the font size so that all the characters can be displayed
with out exceeding the display renge(horizontal) of the 3 labels
Inconsolata -> monopace font
font size == width of the font*2 (something I observed, not sure
if this is true always) */
FontSize=(TotalLblLength/SentenceLength)*2;
// max font size is 20 - based on label height
FontSize=(FontSize>20)?20:FontSize;
lbl_0ValueInWords.setFont(new java.awt.Font("Inconsolata", 0,FontSize));
lbl_1ValueInWords.setFont(new java.awt.Font("Inconsolata", 0,FontSize));
lbl_2ValueInWords.setFont(new java.awt.Font("Inconsolata", 0,FontSize));
int CharCount_lbl0 = width_lbl0 / (FontSize / 2);
int CharCount_lbl1 = width_lbl1 / (FontSize / 2);
int CharsCount_lbl2 = width_lbl2 / (FontSize / 2);
/*Set texts of each label
if sentence has more than the number of characters that can fit in the
1st label, excessive characters are moved to the 2nd label. same goes
for the 2nd and 3rd labels*/
if (SentenceLength > CharCount_lbl0) {
lbl_0ValueInWords.setText(sentence.substring(0, CharCount_lbl0));
if (SentenceLength > CharCount_lbl0 + CharCount_lbl1) {
lbl_1ValueInWords.setText(sentence.substring(CharCount_lbl0, CharCount_lbl0 + CharCount_lbl1));
lbl_2ValueInWords.setText(sentence.substring(CharCount_lbl0 + CharCount_lbl1, SentenceLength));
} else {
lbl_1ValueInWords.setText(sentence.substring(CharCount_lbl0, SentenceLength));
}
} else {
lbl_0ValueInWords.setText(sentence);
}
But even after resetting font size sometimes the last character goes out of the display range. I have removed margines from the jlabels that may cause this. This happens for random length sentences. I can solve the problem for the application by reducing label width used for the calculations(hopefully)
Can anyone explain me the reason? Could be because of some defect in the fonts symmetry?
