def _toggle_roi(self, checked):
if not checked:
try:
self.imageView.view.removeItem(self.data['roi'])
self.data['roi'].sigRegionChangeFinished.disconnect(
self._update_images)
self.data['roi'] = None
except KeyError:
pass
else:
try:
image = self.data['image']
except KeyError:
return
roi = ROI((0, 0), (image.shape[0] // 2, image.shape[1] // 2),
movable=False,
rotatable=False,
resizable=False)
roi.addScaleHandle([0, 1], [0.5, 0.5])
roi.addScaleHandle([1, 0], [0.5, 0.5])
roi.addTranslateHandle([0.5, 0.5])
roi.sigRegionChangeFinished.connect(self._update_images)
self.data['roi'] = roi
self.imageView.view.addItem(roi)
self._update_images()
def add_rect_roi(self):
x = int(self.data.shape[0]/2)
y = int(self.data.shape[1]/2)
w = int(self.data.shape[0]/10)
h = int(self.data.shape[1]/10)
pen, sign = self._get_pen_and_sign()
new = ROI([x,y], [w,h], removable=True, pen=pen)
new.addScaleHandle([1, 0.5], [0, 0.5])
new.addScaleHandle([0, 0.5], [1, 0.5])
new.addScaleHandle([0.5, 0], [0.5, 1])
new.addScaleHandle([0.5, 1], [0.5, 0])
new.addScaleHandle([0, 1], [1, 0])
new.addScaleHandle([1, 0], [0, 1])
new.addScaleHandle([1, 1], [0, 0])
new.addScaleHandle([0, 0], [1, 1])
new.sigRegionChangeFinished.connect(self.update_mask)
new.sigRemoveRequested.connect(self.remove_roi)
self._append_roi(new, sign)