Method countLines

ij/src/main/java/ij/plugin/TextReader.java:105–142

(Reader r)

    }

    void countLines(Reader r) throws IOException {
        StreamTokenizer tok = new StreamTokenizer(r);
        int wordsPerLine=0, wordsInPreviousLine=0;
        tok.resetSyntax();
        tok.wordChars(43, 43);
        tok.wordChars(45, 127);
        tok.whitespaceChars(0, 42);
        tok.whitespaceChars(44, 44);
        //tok.wordChars(33, 127);
        //tok.whitespaceChars(0, ' ');
		tok.whitespaceChars(128, 255);
        tok.eolIsSignificant(true);

        while (tok.nextToken() != StreamTokenizer.TT_EOF) {
            switch (tok.ttype) {
                case StreamTokenizer.TT_EOL:
                    lines++;
                    if (wordsPerLine==0)
                        lines--;  // ignore empty lines
                    if (lines==1 && wordsPerLine>0)
                        width = wordsPerLine;
                    if (lines>1 && wordsPerLine!=0 && wordsPerLine!=wordsInPreviousLine)
                        throw new IOException("Line "+lines+ " is not the same length as the first line.");
                    if (wordsPerLine!=0)
                        wordsInPreviousLine = wordsPerLine;
                    wordsPerLine = 0;
                    if (lines%20==0 && width>1 && lines<=width)
                        IJ.showProgress(((double)lines/width)/2.0);
                    break;
                case StreamTokenizer.TT_WORD:
                    words++;
                    wordsPerLine++;
                    break;
            }
        }
        if (wordsPerLine==width) 
            lines++; // last line does not end with EOL
   }

    void read(Reader r, int size, float[] pixels) throws IOException {
        StreamTokenizer tok = new StreamTokenizer(r);