class GeometryManualDesigner(BaseWidget):
def __init__(self, title, parent=None):
super(GeometryManualDesigner, self).__init__(title, parent_win=parent)
self._threshold_win = None
self._start_point = None
self._end_point = None
self._selected_poly = None
self._selected_point = None
self._video = ControlFile("Video file")
self._player = ControlPlayer("Video")
self._remove = ControlButton("Remove")
self._square = ControlButton("Square", checkable=True)
self._circle = ControlButton("Circle", checkable=True)
self._threshold = ControlButton("Threshold")
self._export = ControlButton("Export")
self._import = ControlButton("Import")
self._polygons = ControlList('Polygons')
self._apply = ControlButton('Apply')
self._formset = [
'_video', "_player",
("_square", "_circle", "_threshold", " ", "_remove", " ",
"_export", "_import"), "=", "_polygons", '_apply'
]
self._video.changedchanged_event = self.videoSelected
self._square.value = self.square_toggle
self._circle.value = self.circle_toggle
self._remove.value = self.remove_clicked
self._export.value = self.export_clicked
self._import.value = self.import_clicked
self._threshold.value = self.threshold_btn_click
self._player.drag_event = self.on_player_drag_in_video_window
self._player.end_drag_event = self.on_player_end_drag_in_video_window
self._player.click_event = self.on_player_click_in_video_window
self._player.double_click_event = self.on_player_double_click_in_video_window
self._player.process_frame_event = self.process_frame
self._player.key_release_event = self.on_player_key_release
self._apply.hide()
def on_player_key_release(self, event):
if event.key() == QtCore.Qt.Key_Delete:
if self._selected_poly != None and self._selected_point != None:
poly = self._polygons.get_value(1, self._selected_poly)
try:
points = list(eval(poly))
p = points.pop(self._selected_point)
self._polygons.set_value(1, self._selected_poly,
str(points)[1:-1])
if not self._player.is_playing: self._player.refresh()
except:
pass
def export_clicked(self):
filename = str(QFileDialog.getSaveFileName(self, 'Choose a file', ''))
if filename != "":
output = open(filename, 'w')
for values in self._polygons.value:
output.write((';'.join(values) + '\n'))
output.close()
def import_clicked(self):
filename = str(QFileDialog.getOpenFileName(self, 'Choose a file', ''))
if filename != "":
infile = open(filename, 'r')
polygons = []
for line in infile:
values = line.split(';')
name = values[0]
poly = values[1]
polygons.append((name, poly))
self._polygons.value += polygons
def process_frame(self, frame):
rows = self._polygons.value
for objIndex, obj in enumerate(rows):
points = eval(obj[1])
cv2.polylines(frame, [np.array(points, np.int32)],
True, (0, 255, 0),
2,
lineType=cv2.LINE_AA)
for pointIndex, point in enumerate(points):
if self._selected_point == pointIndex and objIndex == self._selected_poly:
cv2.circle(frame, point, 4, (0, 0, 255), 2)
else:
cv2.circle(frame, point, 4, (0, 255, 0), 2)
if self._start_point and self._end_point:
if self._square.checked:
cv2.rectangle(frame, self._start_point, self._end_point,
(233, 44, 44), 2)
elif self._circle.checked and self._end_point[
0] > self._start_point[0] and self._end_point[
1] > self._start_point[1]:
width = self._end_point[0] - self._start_point[0]
height = self._end_point[1] - self._start_point[1]
center = (self._start_point[0] + width / 2,
self._start_point[1] + height / 2)
cv2.ellipse(frame, (center, (width, height), 0), (233, 44, 44),
2)
return frame
def selectPoint(self, x, y):
rows = self._polygons.value
for objIndex, obj in enumerate(rows):
try:
mouseCoord = (x, y)
points = eval(obj[1])
for pointIndex, point in enumerate(points):
if pointsDistance(mouseCoord, point) <= 5:
self._selected_point = pointIndex
self._selected_poly = objIndex
return
self._selected_point = None
self._selected_poly = None
except:
pass
def get_intersection_point_distance(self, test_point, point1, point2):
p1 = np.float32(point1)
p2 = np.float32(point2)
p3 = np.float32(test_point)
dist = np.linalg.norm(np.cross(p2 - p1,
p1 - p3)) / np.linalg.norm(p2 - p1)
return dist
def on_player_double_click_in_video_window(self, event, x, y):
mouse = (int(x), int(y))
rows = self._polygons.value
distances = []
for obj_index, obj in enumerate(rows):
try:
points = list(eval(obj[1]))
n_points = len(points)
for point_index, point in enumerate(points):
next_point = points[(point_index + 1) % n_points]
distance = self.get_intersection_point_distance(
mouse, point, next_point)
if distance <= 5:
vector = next_point[0] - point[0], next_point[
1] - point[1]
center = point[0] + vector[0] / 2, point[
1] + vector[1] / 2
radius = pointsDistance(center, point)
mouse_distance = pointsDistance(center, mouse)
if mouse_distance < radius:
distances.append(
(distance, obj_index, point_index))
except:
pass
if len(distances) > 0:
distances = sorted(distances, key=lambda x: x[0])
obj_index = distances[0][1]
point_index = distances[0][2]
points = list(eval(rows[obj_index][1]))
points.insert(point_index + 1, mouse)
self._polygons.set_value(1, obj_index, str(points)[1:-1])
self._selected_poly = obj_index
self._selected_point = point_index + 1
if not self._player.is_playing: self._player.refresh()
def on_player_click_in_video_window(self, event, x, y):
self._selected_poly = None
self._selected_point = None
if not self._square.checked and not self._circle.checked:
self.selectPoint(int(x), int(y))
def on_player_drag_in_video_window(self, startPoint, endPoint):
self._start_point = (int(startPoint[0]), int(startPoint[1]))
self._end_point = (int(endPoint[0]), int(endPoint[1]))
if self._selected_poly != None and self._selected_point != None:
poly = self._polygons.get_value(1, self._selected_poly)
try:
points = list(eval(poly))
points[self._selected_point] = self._end_point
self._polygons.set_value(1, self._selected_poly,
str(points)[1:-1])
except Exception as e:
print(e)
if not self._player.is_playing: self._player.refresh()
def on_player_end_drag_in_video_window(self, startPoint, endPoint):
self._start_point = int(startPoint[0]), int(startPoint[1])
self._end_point = int(endPoint[0]), int(endPoint[1])
points = None
if self._square.checked:
points = createRectanglePoints(self._start_point, self._end_point)
elif self._circle.checked and self._end_point[0] > self._start_point[
0] and self._end_point[1] > self._start_point[1]:
points = createEllipsePoints(self._start_point, self._end_point)
if points:
self._polygons += [
"Poly_%d" % self._polygons.rows_count,
str(points)[1:-1]
]
self._start_point = None
self._end_point = None
self._square.checked = False
self._circle.checked = False
if not self._player.is_playing: self._player.refresh()
def __add_contours_from_threshold_win(self, contours):
for contour in contours:
if contour.any():
points = [tuple(p[0]) for p in contour.tolist()]
self._polygons += [
"Poly_%d" % self._polygons.rows_count,
str(points)[1:-1]
]
def videoSelected(self):
self._player.value = self._video.value
def square_toggle(self, checked):
if checked: self._circle.checked = False
def circle_toggle(self, checked):
if checked: self._square.checked = False
def threshold_btn_click(self):
if self._threshold_win is None:
self._threshold_win = GeometryFromThreshold(self)
self._threshold_win.add_contours = self.__add_contours_from_threshold_win
self._threshold_win.show()
if len(self._video.value) > 0:
self._threshold_win._filename.value = self._video.value
def remove_clicked(self):
self._polygons -= -1 #Remove the selected row
if not self._player.is_playing: self._player.refresh()
@property
def geometries(self):
polys = []
rows = self._polygons.value
for objIndex, obj in enumerate(rows):
points = eval(obj[1])
polys.append([obj[0], points])
return polys
@geometries.setter
def geometries(self, value):
self._polygons.value = []
for name, poly in value:
points = [tuple(p) for p in poly]
self._polygons += [name, str(points)[1:-1]]
@property
def polygons(self):
polys = []
rows = self._polygons.value
for objIndex, obj in enumerate(rows):
points = eval(obj[1])
polys.append(np.array(points, np.int32))
return np.array(polys)
@property
def apply_event(self):
return self._apply.value
@apply_event.setter
def apply_event(self, value):
self._apply.value = value
self._show_apply = value is not None
def show(self):
super(GeometryManualDesigner, self).show()
if hasattr(self, '_show_apply') and self._show_apply:
self._apply.show()
@property
def video_filename(self):
return None
@video_filename.setter
def video_filename(self, value):
self._video.hide()
self._player.value = value
@property
def video_capture(self):
return self.video_capture.value
@video_capture.setter
def video_capture(self, value):
self._video.hide()
self._player.value = value
@property
def total_n_frames(self):
if self._player._value is not None and self._player.value != '':
return self._player.max
else:
return 0
class OrganismsGUI(BaseWidget, Organisms):
'''
Main widget. Shows all entities created
'''
def __init__(self):
BaseWidget.__init__(self)
Organisms.__init__(self)
self._list = ControlList(
'Organisms',
add_function=self.__addOrganismBtnAction,
remove_function=self.__removeOrganismBtnAction)
self._list.horizontal_headers = [
'Kingdom', 'Class', 'Order', 'Family', 'Name'
]
self._panel = ControlEmptyWidget()
self.filedialog = ControlFile()
self.filedialog.hide()
self.mainmenu = [{
'File': [{
'Open': self.__openMenuAction
}, {
'Save': self.__saveMenuAction
}]
}]
# Add by default some entities
self.add(cat)
self.add(human)
def __addOrganismBtnAction(self):
# Popup a window to create a new entity with the user input
win = NewOrganismGUI()
win.parent = self
self._panel.value = win
win.show()
def __removeOrganismBtnAction(self):
if self._list.selected_row_index is not None:
self.remove(self._list.selected_row_index)
def add(self, organism):
Organisms.add(self, organism)
# Show the newly created entity in our GUI list
self._list += [
organism.kingdom, organism.cls, organism.order, organism.family,
organism.name
]
def remove(self, index):
# Remove the entity selected by user
Organisms.remove(self, index)
# Reflect changes in GUI
self._list -= index
def __saveMenuAction(self):
self.filedialog.use_save_dialog = True
self.filedialog.click()
try:
with open(self.filedialog.value, 'w') as file:
self.save(file)
except:
pass
def __openMenuAction(self):
self.filedialog.use_save_dialog = False
self.filedialog.click()
try:
with open(self.filedialog.value, 'r') as file:
self.load(file)
except:
pass
class FileEditor(BaseWidget):
def __init__(self):
super().__init__()
# mainmenu attribute can be specified to create the GUI menu
self.mainmenu = [{
'File': [{
'Open': self.__openEvent
}, {
'Save': self.__saveEvent
}, {
'Save as': self.__saveAsEvent
}, {
'Reload': self.__reloadEvent
}]
}]
# Create text area to edit file contents
self.editor = ControlTextArea()
# Create file dialog control object.
self.filedialog = ControlFile()
self.filedialog.hide()
# This attribute will hold the path to the current file being edited
self.current_file = None
def select_file(self, use_save_dialog=False):
'''
This function opens up the file dialog and waits for user input.
:return: Returns the selected user file or None if no file was selected.
'''
self.filedialog.use_save_dialog = use_save_dialog
self.filedialog.click()
value = self.filedialog.value
if len(value) == 0:
return None
return value
def read_file(self, path):
'''
Read file contents of a file and update editor text with its content
:param path:
:return:
'''
with open(path, 'r') as file:
self.editor.value = file.read()
def write_file(self, path):
'''
Write current editor content to a file
:param path:
:return:
'''
with open(path, 'w') as file:
file.write(self.editor.value)
def __openEvent(self):
# This is called when menu "Open..." is clicked
try:
selected_file = self.select_file()
if selected_file is None:
raise ValueError()
self.read_file(selected_file)
self.current_file = selected_file
except:
pass
def __saveEvent(self):
# Called when menu "Save" is opened
try:
if self.current_file is None:
self.__saveAsEvent()
else:
self.write_file(self.current_file)
except:
pass
def __saveAsEvent(self):
try:
selected_file = self.select_file(use_save_dialog=True)
if selected_file is None:
raise ValueError()
self.write_file(selected_file)
self.current_file = selected_file
except:
pass
def __reloadEvent(self):
try:
self.read_file(self.current_file)
except:
self.current_file = None