graph_item.py

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# Copyright (c) 2011, Dirk Thomas, TU Darmstadt
# All rights reserved.
#
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# modification, are permitted provided that the following conditions
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from python_qt_binding.QtGui import QColor, QFont, QGraphicsItemGroup


class GraphItem(QGraphicsItemGroup):

    _COLOR_BLACK = QColor(0, 0, 0)
    _COLOR_BLUE = QColor(0, 0, 204)
    _COLOR_GREEN = QColor(0, 170, 0)
    _COLOR_ORANGE = QColor(255, 165, 0)
    _COLOR_RED = QColor(255, 0, 0)
    _COLOR_TEAL = QColor(0, 170, 170)

    _LABEL_FONT = QFont('sans', weight=QFont.Light)

    def __init__(self, highlight_level, parent=None):
        super(GraphItem, self).__init__(parent)
        self._highlight_level = highlight_level
        # use device depended font size to produce
        GraphItem._LABEL_FONT.setPixelSize(11)