def __init__(self, parent=None):
super(ExplicitBezierCurveWidget, self).__init__(parent)
graphics_view = QGraphicsView()
def graphics_view_resize_event(event):
assert isinstance(event, QResizeEvent)
graphics_view.fitInView(QRectF(0, -SCENE_SIZE_2, SCENE_SIZE, SCENE_SIZE), Qt.KeepAspectRatio)
super(QGraphicsView, graphics_view).resizeEvent(event)
graphics_view.resizeEvent = graphics_view_resize_event
self.explicit_bezier_curve_scene = ExplicitBezierCurveScene(self)
graphics_view.setScene(self.explicit_bezier_curve_scene)
graphics_view.setRenderHints(QPainter.Antialiasing | QPainter.SmoothPixmapTransform)
properties_group_box = QGroupBox()
properties_group_box.setTitle("Properties")
properties_group_box_layout = QVBoxLayout()
properties_group_box.setLayout(properties_group_box_layout)
# Degree
degree_layout = QHBoxLayout()
properties_group_box_layout.addLayout(degree_layout)
degree_label = QLabel("Polynomial degree")
self.degree_spinbox = QSpinBox()
self.degree_spinbox.setRange(MIN_POLYNOMIAL_DEGREE, MAX_POLYNOMIAL_DEGREE)
self.degree_spinbox.setValue(POLYNOMIAL_DEGREE_DEFAULT)
self.degree_spinbox.valueChanged.connect(self.process_degree_changed)
degree_label.setBuddy(self.degree_spinbox)
degree_layout.addWidget(degree_label)
degree_layout.addWidget(self.degree_spinbox)
# X - range
x_layout = QHBoxLayout()
x_label = QLabel("X:")
x_layout.addWidget(x_label)
properties_group_box_layout.addLayout(x_layout)
min_x_value_label = QLabel("Min")
x_layout.addWidget(min_x_value_label)
self.min_x_value_spinbox = QDoubleSpinBox()
x_layout.addWidget(self.min_x_value_spinbox)
self.min_x_value_spinbox.setRange(MIN_X_VALUE, DEFAULT_MAX_X_VALUE-MIN_X_RANGE)
self.min_x_value_spinbox.setValue(DEFAULT_MIN_X_VALUE)
self.min_x_value_spinbox.valueChanged.connect(self.process_min_x_value_changed)
max_x_value_label = QLabel("Max")
x_layout.addWidget(max_x_value_label)
self.max_x_value_spinbox = QDoubleSpinBox()
x_layout.addWidget(self.max_x_value_spinbox)
self.max_x_value_spinbox.setRange(DEFAULT_MIN_X_VALUE - MIN_X_RANGE, MAX_X_VALUE)
self.max_x_value_spinbox.setValue(DEFAULT_MAX_X_VALUE)
self.max_x_value_spinbox.valueChanged.connect(self.process_max_x_value_changed)
# Y - range
y_layout = QHBoxLayout()
properties_group_box_layout.addLayout(y_layout)
y_label = QLabel("Y:")
y_layout.addWidget(y_label)
min_y_value_label = QLabel("Min")
y_layout.addWidget(min_y_value_label)
self.min_y_value_spinbox = QDoubleSpinBox()
self.min_y_value_spinbox.setRange(MIN_Y_VALUE, DEFAULT_MAX_Y_VALUE-MIN_Y_RANGE)
self.min_y_value_spinbox.setValue(DEFAULT_MIN_Y_VALUE)
self.min_y_value_spinbox.valueChanged.connect(self.process_min_value_changed)
min_y_value_label.setBuddy(self.min_y_value_spinbox)
y_layout.addWidget(self.min_y_value_spinbox)
max_y_value_label = QLabel("Max")
y_layout.addWidget(max_y_value_label)
self.max_y_value_spinbox = QDoubleSpinBox()
self.max_y_value_spinbox.setRange(DEFAULT_MIN_Y_VALUE - MIN_Y_RANGE, MAX_Y_VALUE)
self.max_y_value_spinbox.setValue(DEFAULT_MAX_Y_VALUE)
self.max_y_value_spinbox.valueChanged.connect(self.process_max_value_changed)
max_y_value_label.setBuddy(self.max_y_value_spinbox)
y_layout.addWidget(self.max_y_value_spinbox)
properties_group_box_layout.addStretch()
self.polynom_widget = LatexLabelWidget()
main_layout = QVBoxLayout()
upper_layout = QVBoxLayout()
upper_layout.addWidget(graphics_view)
upper_layout.addWidget(properties_group_box)
main_layout.addLayout(upper_layout)
main_layout.addWidget(self.polynom_widget)
self.setLayout(main_layout)
self.process_control_points_changed()
