Method mouseMoveEvent

ImagePlay/src/IPHistogramWidget.cpp:185–216

void IPHistogramWidget::mouseMoveEvent(QMouseEvent* event)
{
    _hightlightPosition = event->pos().x();
    update();

    if(_type == IPL_IMAGE_COLOR)
    {
        int valueR = _histogramR->rawValueAt(_hightlightPosition);
        int valueG = _histogramG->rawValueAt(_hightlightPosition);
        int valueB = _histogramB->rawValueAt(_hightlightPosition);
        float percentageR = _histogramR->percentageAt(_hightlightPosition);
        float percentageG = _histogramG->percentageAt(_hightlightPosition);
        float percentageB = _histogramB->percentageAt(_hightlightPosition);

        emit highlightChangedColor(_hightlightPosition, valueR, valueG, valueB, percentageR, percentageG, percentageB);
    }
    else if(_type == IPL_IMAGE_GRAYSCALE || _type == IPL_IMAGE_ORIENTED )
    {
        int value = _histogram->rawValueAt(_hightlightPosition);
        float percentage = _histogram->percentageAt(_hightlightPosition);

        emit highlightChangedGrayscale(_hightlightPosition, value, percentage);
    }
    else if(_type == IPL_IMAGE_BW)
    {
        int pos = _hightlightPosition < width()/2 ? 0 : 1;
        int value = _histogram->rawValueAt(pos);
        int percentage = _histogram->percentageAt(pos);

        emit highlightChangedGrayscale(pos, value, percentage);
    }
}

void IPHistogramWidget::leaveEvent(QEvent *)
{