def _zoom_fit(self):
data_info = self._controller.get_data()
config = self._controller.get_config()
def add_padding(bounding_box, max_x, max_y):
bounding_box[0].x = max(bounding_box[0].x - 1, 0)
bounding_box[0].y = max(bounding_box[0].y - 1, 0)
bounding_box[1].y = min(bounding_box[1].y + 2, max_y)
bounding_box[1].x = min(bounding_box[1].x + 2, max_x)
return bounding_box
if config.maps_to_show or len(data_info.maps):
bounding_box = data_info.get_bounding_box(config.dimension, config.slice_index,
config.volume_index, config.rotate, config.maps_to_show)
max_y = data_info.get_max_y_index(config.dimension, rotate=config.rotate, map_names=config.maps_to_show)
max_x = data_info.get_max_x_index(config.dimension, rotate=config.rotate, map_names=config.maps_to_show)
if not config.flipud:
# Since the renderer plots with a left top coordinate system,
# we need to flip the y coordinates upside down by default.
tmp = max_y - bounding_box[0].y
bounding_box[0].y = max_y - bounding_box[1].y
bounding_box[1].y = tmp
bounding_box = add_padding(bounding_box, max_x, max_y)
self._controller.apply_action(SetZoom(Zoom(*bounding_box)))
def _update_zoom(self):
np0x, np0y = self.general_zoom_x_0.value(), self.general_zoom_y_0.value()
np1x, np1y = self.general_zoom_x_1.value(), self.general_zoom_y_1.value()
if np0x > np1x:
np1x = np0x
if np0y > np1y:
np1y = np0y
self._controller.apply_action(SetZoom(Zoom.from_coords(np0x, np0y, np1x, np1y)))
def _perform_drag(self):
current_model = self.controller.get_model()
delta_x = int(np.round(self._start_x) - np.round(self._end_x))
delta_y = int(np.round(self._start_y) - np.round(self._end_y))
config = current_model.get_config()
data_info = current_model.get_data()
current_zoom = current_model.get_config().zoom
max_y = data_info.get_max_y_index(config.dimension,
rotate=config.rotate,
map_names=config.maps_to_show)
max_x = data_info.get_max_x_index(config.dimension,
rotate=config.rotate,
map_names=config.maps_to_show)
new_x0 = current_zoom.p0.x + delta_x
new_x1 = (current_zoom.p1.x or max_x) + delta_x
new_y0 = current_zoom.p0.y + delta_y
new_y1 = (current_zoom.p1.y or max_y) + delta_y
if new_x0 < 0:
new_x1 -= new_x0
new_x0 = 0
if new_x1 > max_x:
new_x0 -= new_x1
new_x1 = max_x
if new_y0 < 0:
new_y1 -= new_y0
new_y0 = 0
if new_y1 > max_y:
new_y0 -= new_y1
new_y1 = max_y
try:
new_zoom = Zoom.from_coords(new_x0, new_y0, new_x1, new_y1)
except ValueError:
new_zoom = current_zoom
self.controller.apply_action(SetZoom(new_zoom))
self._start_x = self._end_x
self._start_y = self._end_y
def _perform_scroll(self):
current_model = self.controller.get_model()
config = current_model.get_config()
data_info = current_model.get_data()
current_zoom = config.zoom
max_y = data_info.get_max_y_index(config.dimension,
rotate=config.rotate,
map_names=config.maps_to_show)
max_x = data_info.get_max_x_index(config.dimension,
rotate=config.rotate,
map_names=config.maps_to_show)
scrolling = self._scrolls
if abs(self._scrolls) > 1:
scrolling *= 3
new_x0 = current_zoom.p0.x + scrolling
if new_x0 < 0:
new_x0 = 0
new_y0 = current_zoom.p0.y + scrolling
if new_y0 < 0:
new_y0 = 0
new_x1 = (current_zoom.p1.x or max_x) - scrolling
if new_x1 > max_x:
new_x1 = max_x
new_y1 = (current_zoom.p1.y or max_y) - scrolling
if new_y1 > max_y:
new_y1 = max_y
try:
new_zoom = Zoom.from_coords(new_x0, new_y0, new_x1, new_y1)
except ValueError:
new_zoom = current_zoom
self.controller.apply_action(SetZoom(new_zoom))
self._scrolls = 0
def __init__(self, controller, parent=None):
super(TabGeneral, self).__init__(parent)
self.setupUi(self)
self._controller = controller
self._controller.new_data.connect(self.set_new_data)
self._controller.new_config.connect(self.set_new_config)
self.general_display_order.setDragDropMode(QAbstractItemView.InternalMove)
self.general_display_order.setSelectionMode(QAbstractItemView.SingleSelection)
self.general_colormap.addItems(self._controller.get_config().get_available_colormaps())
self.general_rotate.addItems(['0', '90', '180', '270'])
self.general_rotate.setCurrentText(str(self._controller.get_config().rotate))
self.general_DisplayOrder.set_collapse(True)
self.general_Miscellaneous.set_collapse(True)
self.general_Zoom.set_collapse(True)
self.general_Font.set_collapse(True)
self.general_dimension.valueChanged.connect(lambda v: self._controller.apply_action(SetDimension(v)))
self.general_slice_index.valueChanged.connect(lambda v: self._controller.apply_action(SetSliceIndex(v)))
self.general_volume_index.valueChanged.connect(lambda v: self._controller.apply_action(SetVolumeIndex(v)))
self.general_colormap.currentIndexChanged.connect(
lambda i: self._controller.apply_action(SetColormap(self.general_colormap.itemText(i))))
self.general_rotate.currentIndexChanged.connect(
lambda i: self._controller.apply_action(SetRotate(int(self.general_rotate.itemText(i)))))
self._map_selection_timer = TimedUpdate(self._update_maps_to_show)
self.general_map_selection.itemSelectionChanged.connect(
lambda: self._map_selection_timer.add_delayed_callback(500))
self.general_deselect_all_maps.clicked.connect(self._deleselect_all_maps)
self.general_invert_map_selection.clicked.connect(self._invert_map_selection)
self.general_zoom_x_0.valueChanged.connect(self._update_zoom)
self.general_zoom_x_1.valueChanged.connect(self._update_zoom)
self.general_zoom_y_0.valueChanged.connect(self._update_zoom)
self.general_zoom_y_1.valueChanged.connect(self._update_zoom)
self.plot_title.textEdited.connect(lambda txt: self._controller.apply_action(SetPlotTitle(txt)))
self.general_zoom_reset.clicked.connect(lambda: self._controller.apply_action(SetZoom(Zoom.no_zoom())))
self.general_zoom_fit.clicked.connect(self._zoom_fit)
self.general_display_order.items_reordered.connect(self._reorder_maps)
self.general_show_axis.clicked.connect(lambda: self._controller.apply_action(
SetShowAxis(self.general_show_axis.isChecked())))
self.general_colorbar_nmr_ticks.valueChanged.connect(
lambda v: self._controller.apply_action(SetColorBarNmrTicks(v)))
self.general_font_family.addItems(Font.font_names())
self.general_font_family.currentTextChanged.connect(
lambda v: self._controller.apply_action(SetFont(self._controller.get_config().font.get_updated(family=v))))
self.general_font_size.valueChanged.connect(
lambda: self._controller.apply_action(
SetFont(self._controller.get_config().font.get_updated(size=self.general_font_size.value()))))
self.general_interpolation.addItems(self._controller.get_config().get_available_interpolations())
self.general_interpolation.currentTextChanged.connect(
lambda v: self._controller.apply_action(SetInterpolation(v)))
self.general_flipud.clicked.connect(lambda: self._controller.apply_action(
SetFlipud(self.general_flipud.isChecked())))
self.mask_name.currentIndexChanged.connect(self._update_mask_name)