[Qt-interest] QLabel won't update the image during the mouseMoveEvent

hakiim warrick hakiim35 at hotmail.com
Wed Jan 21 12:47:28 CET 2009


Hi, i am trying to implement an image processing application using Qt 4.4.3. I am particularly extending the ImageViewer application. I want the image to be updated each time a mouse move occurs, so i use the mouseMoveEvent(QMouseEvent* event) method. Inside the method, i have the following piece of code after the image is modified, but it didnt help:
 
imageLabel->setPixmap(QPixmap::fromImage(*(this->image)));
update();
 
imageLabel is of QLabel type, and image is a QImage* instance.
so, am i missing something..any suggestions? 
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