QPlainTextEdit char format?

[jajdoo]

im trying to check if a certain character is in a specific color (i used a highlighter to color them according to some rules)

i tried all sorts of routes but i always get no color..

for instance:
( i = block index, j=character index)

...
        blockText = document()->findBlockByNumber(i).text();
        for( int j=0; j<blockText.size(); j++)
        {
            QTextCursor c = textCursor();
            c.setPosition(document()->findBlockByNumber(i).position()+j);
            QColor q = c.charFormat().foreground().color();
....

...
        blockText = document()->findBlockByNumber(i).text();
        for( int j=0; j<blockText.size(); j++)
        {
            QTextCursor c = textCursor();
            c.setPosition(document()->findBlockByNumber(i).position()+j);
            QColor q = c.charFormat().foreground().color();
....

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why?