owspectra.py 文件源码

def set_pen_colors(self):
        self.pen_normal.clear()
        self.pen_subset.clear()
        self.pen_selected.clear()
        color_var = self._current_color_var()
        if color_var is not None:
            colors = color_var.colors
            discrete_palette = ColorPaletteGenerator(
                number_of_colors=len(colors), rgb_colors=colors)
            for v in color_var.values:
                basecolor = discrete_palette[color_var.to_val(v)]
                basecolor = QColor(basecolor)
                basecolor.setAlphaF(0.9)
                self.pen_subset[v] = pg.mkPen(color=basecolor, width=1)
                self.pen_selected[v] = pg.mkPen(color=basecolor, width=2, style=Qt.DotLine)
                notselcolor = basecolor.lighter(150)
                notselcolor.setAlphaF(0.5)
                self.pen_normal[v] = pg.mkPen(color=notselcolor, width=1)