Пример #1
0
class LegendItemTitle(QGraphicsWidget):
    """Legend item title - the text displayed in the legend.

    This should only really be used in conjunction with ˙LegendItem˙.

    Parameters
    ----------
    text : str
    parent : QGraphicsItem
    font : QFont
        This

    """
    _size_hint = QSizeF(100, 10)

    def __init__(self, text, parent, font):
        super().__init__(parent)

        self.__text = QGraphicsTextItem(text.title())
        self.__text.setParentItem(self)
        self.__text.setFont(font)
        self._size_hint = QSizeF(self.__text.boundingRect().size())

    def sizeHint(self, size_hint, size_constraint=None, *args, **kwargs):
        return self._size_hint
Пример #2
0
class LegendItemTitle(QGraphicsWidget):
    """Legend item title - the text displayed in the legend.

    This should only really be used in conjunction with ˙LegendItem˙.

    Parameters
    ----------
    text : str
    parent : QGraphicsItem
    font : QFont
        This

    """
    _size_hint = QSizeF(100, 10)

    def __init__(self, text, parent, font):
        super().__init__(parent)

        self.__text = QGraphicsTextItem(text.title())
        self.__text.setParentItem(self)
        self.__text.setFont(font)
        self._size_hint = QSizeF(self.__text.boundingRect().size())

    def sizeHint(self, size_hint, size_constraint=None, *args, **kwargs):
        return self._size_hint
Пример #3
0
    def __init__(self, name, values, scale, name_offset, offset, get_points,
                 title, get_probabilities):
        super().__init__()
        self.scale = scale
        self.offset = offset
        self.get_points = get_points
        self.min_val = min(values)
        self.max_val = max(values)

        # leading labels
        font = name.document().defaultFont()
        font.setWeight(QFont.Bold)
        name_total = QGraphicsTextItem("Total")
        name_total.setFont(font)
        name_total.setPos(name_offset, -25)
        name_total.setParentItem(self)
        name.setFont(font)
        name.setPos(name_offset, 10)
        name.setParentItem(self)

        # prediction marker
        self.dot = ProbabilitiesDotItem(
            self.dot_r, scale, offset, values[0], values[-1],
            title, get_probabilities)
        self.dot.setPos(0, (- self.dot_r + self.y_diff) / 2)
        self.dot.setParentItem(self)

        # two lines
        t_line = QGraphicsLineItem(self.min_val * scale + offset, 0,
                                   self.max_val * scale + offset, 0)
        p_line = QGraphicsLineItem(self.min_val * scale + offset, self.y_diff,
                                   self.max_val * scale + offset, self.y_diff)
        t_line.setParentItem(self)
        p_line.setParentItem(self)

        # ticks and labels
        old_x_tick = values[0] * scale + offset
        for i, value in enumerate(values[1:]):
            x_tick = value * scale + offset
            x = x_tick - (x_tick - old_x_tick) / 2
            half_tick = QGraphicsLineItem(x, - self.tick_height / 2, x, 0)
            half_tick.setParentItem(self)
            old_x_tick = x_tick
            if i == len(values) - 2:
                break
            text = QGraphicsTextItem(str(abs(value) if value == -0 else value))
            x_text = value * scale - text.boundingRect().width() / 2 + offset
            y_text = - text.boundingRect().height() - self.dot_r * 0.7
            text.setPos(x_text, y_text)
            text.setParentItem(self)
            tick = QGraphicsLineItem(x_tick, -self.tick_height, x_tick, 0)
            tick.setParentItem(self)

        self.prob_items = [
            (i / 10, QGraphicsTextItem(" " + str(i * 10) + " "),
             QGraphicsLineItem(0, 0, 0, 0)) for i in range(1, 10)]