void TOSMWidget::wheelEvent(QWheelEvent *e)
{
// qDebug() << "delta " << e->delta();
double delta = e->delta(), scale = 1, step = 0.9;
if (delta > 0)
{
while (delta > 0)
{
delta -= 120;
scale *= step;
}
}
else
{
while(delta < 0)
{
delta += 120;
scale /= step;
}
}
QPointF clickPoint((double)e->pos().x() / width() * Rect.width() + Rect.left(), (double)(height() - e->pos().y()) / height() * Rect.height() + Rect.top());
QPointF newSizes(Rect.width() * scale, Rect.height() * scale);
Rect = QRectF(clickPoint.x() - newSizes.x() * ((double)e->pos().x() / width()), clickPoint.y() - newSizes.y() * ((double)(height() - e->pos().y()) / height()), newSizes.x(), newSizes.y());
update();
}
///////////////////////////////////////////////////////////////////////////////////
// onMouseLocation()
// Description: On click listener to display the location of the point
// clicked. This callback can be set with the following function if
// you have need to debug (x,y) locations of an image.
// setMouseCallback("Original", onMouseLocation, static_cast<void*>(&m_pPanel));
///////////////////////////////////////////////////////////////////////////////////
static void onMouseLocation(int event, int x, int y, int f, void *ptr)
{
if (event == EVENT_LBUTTONDOWN)
{
Panel *pPanel = static_cast<Panel*>(ptr);
Point clickPoint(x, y);
ShowMessage("Click Location: (" + to_string(clickPoint.x) + "," + to_string(clickPoint.y) + ")");
}
}
/////////////////////////////////////////////////////////////////////////////////
// onMouseColor()
// Description: On click listener to display the HSV value of the point clicked.
// This callback can be set with the following function if you have need to
// debug HSV colors of an image:
// setMouseCallback(windowTitle, onMouseColor, static_cast<void*>(&m_pPanel));
/////////////////////////////////////////////////////////////////////////////////
static void onMouseColor(int event, int x, int y, int f, void *ptr)
{
if (event == EVENT_LBUTTONDOWN)
{
Panel *pPanel = static_cast<Panel*>(ptr);
Point clickPoint(x, y);
pPanel->ColorAtPoint(clickPoint);
}
}
void PickerRep::pickLandmarkSlot(vtkObject* renderWindowInteractor)
{
vtkRenderWindowInteractorPtr iren = vtkRenderWindowInteractor::SafeDownCast(renderWindowInteractor);
if (iren == NULL)
return;
int pickedPoint[2]; //<x,y>
iren->GetEventPosition(pickedPoint); //mouse positions are measured in pixels
vtkRendererPtr renderer = this->getRenderer();
if (renderer == NULL)
return;
Vector3D clickPoint(pickedPoint[0], pickedPoint[1], 0);
this->pickLandmark(clickPoint, renderer);
}
void QuadWarp :: mousePressed(ofMouseEventArgs &e) {
if(!visible) return;
ofVec3f clickPoint(e.x, e.y);
for(int i = 0; i < dstPoints.size(); i++) {
if(dstPoints[i].distance(clickPoint) < pointRadius) {
curPointIndex = i;
ofVec3f &curPoint = dstPoints[i];
clickOffset = curPoint - clickPoint;
dragStartPoint = clickPoint;
break;
}
}
};
