/**
* You should use this function instead of calling scale() directly
* to keep track of the zoom factor.
* @param zoom new zoom factor
*/
void CanvasView::setZoom(int zoom)
{
Q_ASSERT(zoom>0);
_zoom = zoom;
QMatrix nm(1,0,0,1, matrix().dx(), matrix().dy());
nm.scale(_zoom/100.0, _zoom/100.0);
nm.rotate(_rotate);
setMatrix(nm);
emit viewTransformed(_zoom, _rotate);
}
/**
* You should use this function instead of calling scale() directly
* to keep track of the zoom factor.
* @param zoom new zoom factor
*/
void EditorView::setZoom(int zoom)
{
Q_ASSERT(zoom>0);
zoom_ = zoom;
QMatrix nm(1,0,0,1, matrix().dx(), matrix().dy());
nm.scale(zoom_/100.0, zoom_/100.0);
nm.rotate(rotate_);
setMatrix(nm);
emit viewTransformed(zoom_, rotate_);
}
/**
* You should use this function instead of calling scale() directly
* to keep track of the zoom factor.
* @param zoom new zoom factor
*/
void CanvasView::setZoom(qreal zoom)
{
if(zoom<=0)
return;
_zoom = zoom;
QMatrix nm(1,0,0,1, matrix().dx(), matrix().dy());
nm.scale(_zoom/100.0, _zoom/100.0);
nm.rotate(_rotate);
setMatrix(nm);
emit viewTransformed(_zoom, _rotate);
viewRectChanged();
}