Пример #1
0
    def marker(
        self,
        position=None,
        label_cb=None,
        constraint_cb=None,
        movable=True,
        readonly=False,
        markerstyle=None,
        markerspacing=None,
        color=None,
        linestyle=None,
        linewidth=None,
        marker=None,
        markersize=None,
        markerfacecolor=None,
        markeredgecolor=None,
    ):
        """
        Make a marker `plot item`
        (:py:class:`guiqwt.shapes.Marker` object)

            * position: tuple (x, y)
            * label_cb: function with two arguments (x, y) returning a string
            * constraint_cb: function with two arguments (x, y) returning a 
              tuple (x, y) according to the marker constraint
            * movable: if True (default), marker will be movable
            * readonly: if False (default), marker can be deleted
            * markerstyle: '+', '-', '|' or None
            * markerspacing: spacing between text and marker line
            * color: marker color name
            * linestyle: marker line style (MATLAB-like string or attribute name 
              from the :py:class:`PyQt4.QtCore.Qt.PenStyle` enum
              (i.e. "SolidLine" "DashLine", "DotLine", "DashDotLine", 
              "DashDotDotLine" or "NoPen")
            * linewidth: line width (pixels)
            * marker: marker shape (MATLAB-like string or "Cross", "Ellipse",
              "Star1", "XCross", "Rect", "Diamond", "UTriangle", "DTriangle",
              "RTriangle", "LTriangle", "Star2", "NoSymbol")
            * markersize: marker size (pixels)
            * markerfacecolor: marker face color name
            * markeredgecolor: marker edge color name
        """
        param = MarkerParam(_("Marker"), icon="marker.png")
        param.read_config(CONF, "plot", "marker/cursor")
        if (
            color
            or linestyle
            or linewidth
            or marker
            or markersize
            or markerfacecolor
            or markeredgecolor
        ):
            param.line = param.sel_line
            param.symbol = param.sel_symbol
            param.text = param.sel_text
            self.__set_baseparam(
                param,
                color,
                linestyle,
                linewidth,
                marker,
                markersize,
                markerfacecolor,
                markeredgecolor,
            )
            param.sel_line = param.line
            param.sel_symbol = param.symbol
            param.sel_text = param.text
        if markerstyle:
            param.set_markerstyle(markerstyle)
        if markerspacing:
            param.spacing = markerspacing
        if not movable:
            param.symbol.marker = param.sel_symbol.marker = "NoSymbol"
        marker = Marker(
            label_cb=label_cb, constraint_cb=constraint_cb, markerparam=param
        )
        if position is not None:
            x, y = position
            marker.set_pos(x, y)
        marker.set_readonly(readonly)
        if not movable:
            marker.set_movable(False)
            marker.set_resizable(False)
        return marker
Пример #2
0
    def marker(self, position=None, label_cb=None, constraint_cb=None,
               movable=True, readonly=False,
               markerstyle=None, markerspacing=None,
               color=None, linestyle=None, linewidth=None,
               marker=None, markersize=None, markerfacecolor=None,
               markeredgecolor=None):
        """
        Make a marker `plot item`
        (:py:class:`guiqwt.shapes.Marker` object)

            * position: tuple (x, y)
            * label_cb: function with two arguments (x, y) returning a string
            * constraint_cb: function with two arguments (x, y) returning a 
              tuple (x, y) according to the marker constraint
            * movable: if True (default), marker will be movable
            * readonly: if False (default), marker can be deleted
            * markerstyle: '+', '-', '|' or None
            * markerspacing: spacing between text and marker line
            * color: marker color name
            * linestyle: marker line style (MATLAB-like string or attribute name 
              from the :py:class:`PyQt4.QtCore.Qt.PenStyle` enum
              (i.e. "SolidLine" "DashLine", "DotLine", "DashDotLine", 
              "DashDotDotLine" or "NoPen")
            * linewidth: line width (pixels)
            * marker: marker shape (MATLAB-like string or "Cross", "Ellipse",
              "Star1", "XCross", "Rect", "Diamond", "UTriangle", "DTriangle",
              "RTriangle", "LTriangle", "Star2", "NoSymbol")
            * markersize: marker size (pixels)
            * markerfacecolor: marker face color name
            * markeredgecolor: marker edge color name
        """
        param = MarkerParam(_("Marker"), icon='marker.png')
        param.read_config(CONF, "plot", "marker/cursor")
        if color or linestyle or linewidth or marker or markersize or \
           markerfacecolor or markeredgecolor:
            param.line = param.sel_line
            param.symbol = param.sel_symbol
            param.text = param.sel_text
            self.__set_baseparam(param, color, linestyle, linewidth, marker,
                                 markersize, markerfacecolor, markeredgecolor)
            param.sel_line = param.line
            param.sel_symbol = param.symbol
            param.sel_text = param.text
        if markerstyle:
            param.set_markerstyle(markerstyle)
        if markerspacing:
            param.spacing = markerspacing
        if not movable:
            param.symbol.marker = param.sel_symbol.marker = "NoSymbol"
        marker = Marker(label_cb=label_cb, constraint_cb=constraint_cb,
                        markerparam=param)
        if position is not None:
            x, y = position
            marker.set_pos(x, y)
        marker.set_readonly(readonly)
        if not movable:
            marker.set_movable(False)
            marker.set_resizable(False)
        return marker