def gen_dim(self, idx: int, always_above: bool = True) -> 'npt.NDArray[numpy.float64]':
"""
Generate rendering data for the dimension-lines
:param idx:
:return:
"""
a = self.im2V(self.model.dim_handles[0 + idx])
b = self.im2V(self.model.dim_handles[1 + idx])
d = b - a
delta = (b - a).norm()
normal = Vec2.from_mat(rotate(math.pi / 2)[:2, :2].dot(delta))
if always_above:
if numpy.cross(Vec2(1, 0), normal) > 0:
normal = -normal
res = numpy.array([
a + normal * 8,
a + normal * 20,
a + normal * 15,
b + normal * 15,
b + normal * 8,
b + normal * 20,
], dtype=numpy.float64)
return res
def keyPressEvent(self, evt: QtGui.QKeyEvent) -> bool:
if self.disabled:
return False
if evt.key() == QtCore.Qt.Key_Escape:
self.__idx_handle_sel = None
elif self.__idx_handle_sel is not None:
if evt.key() in (QtCore.Qt.Key_Delete, QtCore.Qt.Key_Backspace) and IDX_IS_LINE(self.__idx_handle_sel):
cmd = cmd_set_handle_position(self.model, self.__idx_handle_sel, None)
self._parent.undoStack.push(cmd)
# self.model.set_handle(self.__idx_handle_sel, None)
self.__idx_handle_sel = None
# Basic 1-px nudging
elif evt.key() in (QtCore.Qt.Key_Left, QtCore.Qt.Key_Right, QtCore.Qt.Key_Up, QtCore.Qt.Key_Down):
_nudgetab: Dict[int,Tuple[int, int]] = {
QtCore.Qt.Key_Left: (-1, 0),
QtCore.Qt.Key_Right: (1, 0),
QtCore.Qt.Key_Up: (0, -1),
QtCore.Qt.Key_Down: (0, 1),
}
nudge = _nudgetab[evt.key()]
current = self.im2V(self.model.align_handles[self.__idx_handle_sel])
viewspace = self.V2im(current + Vec2.from_mat(nudge))
cmd = cmd_set_handle_position(self.model, self.__idx_handle_sel, viewspace)
self._parent.undoStack.push(cmd)
# self.model.set_handle(self.__idx_handle_sel, viewspace)
self.__ghost_handle = None
def keyPressEvent(self, evt: QtGui.QKeyEvent) -> None:
if evt.key() == QtCore.Qt.Key_Escape:
self.model.kp.selected_idx = None
elif self.model.kp.selected_idx is not None:
if evt.key() in (QtCore.Qt.Key_Delete, QtCore.Qt.Key_Backspace):
cmd = cmd_del_keypoint(self.model.kp,
self.model.kp.selected_idx)
self._parent.undoStack.push(cmd)
self.model.kp.selected_idx = None
# Basic 1-px nudging
elif evt.key() in (QtCore.Qt.Key_Left, QtCore.Qt.Key_Right,
QtCore.Qt.Key_Up, QtCore.Qt.Key_Down):
kp_lut: Dict[int, Tuple[int, int]] = {
QtCore.Qt.Key_Left: (-1, 0),
QtCore.Qt.Key_Right: (1, 0),
QtCore.Qt.Key_Up: (0, -1),
QtCore.Qt.Key_Down: (0, 1),
}
nudge = Vec2.from_mat(kp_lut[evt.key()])
current = self.get_keypoint_viewport_center(
self.model.kp.keypoints[self.model.kp.selected_idx])
self.do_set_cmd(current + nudge, True)