def load_pixmaps(self, mask: qtg.QPixmap, image: qtg.QPixmap):
self.top_container.load_pixmap(mask)
self.backdrop_container.load_pixmap(image)
self._max_pixmap_dimension = max(mask.width(), mask.height())
self._last_midpoint = qtc.QPoint(
self.horizontalScrollBar().value() + self.width() / 2,
self.verticalScrollBar().value() + self.height() / 2)
def slideInWgt(self, newwidget):
if self.m_active:
return
self.m_active = True
_now = self.currentIndex()
_next = self.indexOf(newwidget)
if _now == _next:
self.m_active = False
return
offsetx, offsety = self.frameRect().width(), self.frameRect().height()
self.widget(_next).setGeometry(self.frameRect())
if not self.m_direction == Qt.Orientation.Horizontal:
if _now < _next:
offsetx, offsety = 0, -offsety
else:
offsetx = 0
else:
if _now < _next:
offsetx, offsety = -offsetx, 0
else:
offsety = 0
pnext = self.widget(_next).pos()
pnow = self.widget(_now).pos()
self.m_pnow = pnow
offset = QtCore.QPoint(offsetx, offsety)
self.widget(_next).move(pnext - offset)
self.widget(_next).show()
self.widget(_next).raise_()
anim_group = QtCore.QParallelAnimationGroup(
self, finished=self.animationDoneSlot
)
for index, start, end in zip(
(_now, _next), (pnow, pnext - offset), (pnow + offset, pnext)
):
animation = QtCore.QPropertyAnimation(
self.widget(index),
b"pos",
duration=self.m_speed,
easingCurve=self.m_animationtype,
startValue=start,
endValue=end,
)
anim_group.addAnimation(animation)
self.m_next = _next
self.m_now = _now
self.m_active = True
anim_group.start(QtCore.QAbstractAnimation.DeletionPolicy.DeleteWhenStopped)
def __init__(self, parent=None):
super().__init__(parent=parent)
self.m_direction = Qt.Orientation.Horizontal
self.m_speed = 300
self.m_animationtype = QtCore.QEasingCurve.Type.OutCubic
self.m_now = 0
self.m_next = 0
self.m_wrap = False
self.m_pnow = QtCore.QPoint(0, 0)
self.m_active = False
def set_zoom(self):
if (self._zoom_last_x == None or self._zoom_last_y == None
or self._zoom_last_x == 0 or self._zoom_last_y == 0):
return
self.top_container.set_zoom(self._max_pixmap_dimension)
zoom_change_x = self.top_container.pixmap().width() / self._zoom_last_x
self.backdrop_container.set_zoom(self._max_pixmap_dimension)
zoom_change_y = self.top_container.pixmap().height(
) / self._zoom_last_y
scaled_midpoint = qtc.QPoint(self._last_midpoint.x() * zoom_change_x,
self._last_midpoint.y() * zoom_change_y)
self.horizontalScrollBar().setValue(
round(self.horizontalScrollBar().value() + scaled_midpoint.x() -
self._last_midpoint.x()))
self.verticalScrollBar().setValue(
round(self.verticalScrollBar().value() + scaled_midpoint.y() -
self._last_midpoint.y()))
self._last_midpoint.setX(self.horizontalScrollBar().value() +
self.width() / 2)
self._last_midpoint.setY(self.verticalScrollBar().value() +
self.height() / 2)
