Questions tagged [qfontmetrics]

I was under the impression that if you do this in your application QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling); QApplication* app = new QApplication(temp, NULL); then Fonts gets automatically scaled up on high resolution display.…

I'm new to Qt and exploring QPrinter / QPainter According to the documentation, in order to print in mm, the coordinates must be translated to the printer's unit, considering it's resolution. So, I wrote the following code: qreal…

I have an option to change the text font size on a label, now without layout . how I can change the font pointSize of the text based on the parent window resized height. so how I can calculate the factor of height increased and based on the factor I…

I'm creating a 'scrolling-text' class in Qt, using a QTextEdit (read-only, no scrollbars, moveCursor) and a QTimer - simple and working. My problem is when the text sent to the class is shorter (narrower) than the QTextEdit-box. Silly, I agree, but,…