Python FancyBboxPatch.get_window_extent方法代码示例

# 需要导入模块: from matplotlib.patches import FancyBboxPatch [as 别名]
# 或者: from matplotlib.patches.FancyBboxPatch import get_window_extent [as 别名]

#.........这里部分代码省略.........
    def _findoffset_loc(self, width, height, xdescent, ydescent, renderer):
        "Heper function to locate the legend using the location code"

        if iterable(self._loc) and len(self._loc)==2:
            # when loc is a tuple of axes(or figure) coordinates.
            fx, fy = self._loc
            bbox = self.get_bbox_to_anchor()
            x, y = bbox.x0 + bbox.width * fx, bbox.y0 + bbox.height * fy
        else:
            bbox = Bbox.from_bounds(0, 0, width, height)
            x, y = self._get_anchored_bbox(self._loc, bbox, self.get_bbox_to_anchor(), renderer)

        return x+xdescent, y+ydescent

    @allow_rasterization
    def draw(self, renderer):
        "Draw everything that belongs to the legend"
        if not self.get_visible(): return


        renderer.open_group('legend')


        fontsize = renderer.points_to_pixels(self._fontsize)

        # if mode == fill, set the width of the legend_box to the
        # width of the paret (minus pads)
        if self._mode in ["expand"]:
            pad = 2*(self.borderaxespad+self.borderpad)*fontsize
            self._legend_box.set_width(self.get_bbox_to_anchor().width-pad)

        if self._drawFrame:
            # update the location and size of the legend
            bbox = self._legend_box.get_window_extent(renderer)
            self.legendPatch.set_bounds(bbox.x0, bbox.y0,
                                        bbox.width, bbox.height)

            self.legendPatch.set_mutation_scale(fontsize)

            if self.shadow:
                shadow = Shadow(self.legendPatch, 2, -2)
                shadow.draw(renderer)

            self.legendPatch.draw(renderer)

        self._legend_box.draw(renderer)

        renderer.close_group('legend')


    def _approx_text_height(self, renderer=None):
        """
        Return the approximate height of the text. This is used to place
        the legend handle.
        """
        if renderer is None:
            return self._fontsize
        else:
            return renderer.points_to_pixels(self._fontsize)


    # _default_handler_map defines the default mapping between plot
    # elements and the legend handlers.

    _default_handler_map = {
        StemContainer:legend_handler.HandlerStem(),

# 需要导入模块: from matplotlib.patches import FancyBboxPatch [as 别名]
# 或者: from matplotlib.patches.FancyBboxPatch import get_window_extent [as 别名]

#.........这里部分代码省略.........

        if self._loc == 0:  # "best".
            x, y = self._find_best_position(width, height, renderer)
        elif self._loc in Legend.codes.values():  # Fixed location.
            bbox = Bbox.from_bounds(0, 0, width, height)
            x, y = self._get_anchored_bbox(self._loc, bbox,
                                           self.get_bbox_to_anchor(),
                                           renderer)
        else:  # Axes or figure coordinates.
            fx, fy = self._loc
            bbox = self.get_bbox_to_anchor()
            x, y = bbox.x0 + bbox.width * fx, bbox.y0 + bbox.height * fy

        return x + xdescent, y + ydescent

    @allow_rasterization
    def draw(self, renderer):
        "Draw everything that belongs to the legend"
        if not self.get_visible():
            return

        renderer.open_group('legend')

        fontsize = renderer.points_to_pixels(self._fontsize)

        # if mode == fill, set the width of the legend_box to the
        # width of the paret (minus pads)
        if self._mode in ["expand"]:
            pad = 2 * (self.borderaxespad + self.borderpad) * fontsize
            self._legend_box.set_width(self.get_bbox_to_anchor().width - pad)

        # update the location and size of the legend. This needs to
        # be done in any case to clip the figure right.
        bbox = self._legend_box.get_window_extent(renderer)
        self.legendPatch.set_bounds(bbox.x0, bbox.y0,
                                    bbox.width, bbox.height)
        self.legendPatch.set_mutation_scale(fontsize)

        if self._drawFrame:
            if self.shadow:
                shadow = Shadow(self.legendPatch, 2, -2)
                shadow.draw(renderer)

            self.legendPatch.draw(renderer)

        self._legend_box.draw(renderer)

        renderer.close_group('legend')
        self.stale = False

    def _approx_text_height(self, renderer=None):
        """
        Return the approximate height of the text. This is used to place
        the legend handle.
        """
        if renderer is None:
            return self._fontsize
        else:
            return renderer.points_to_pixels(self._fontsize)

    # _default_handler_map defines the default mapping between plot
    # elements and the legend handlers.

    _default_handler_map = {
        StemContainer: legend_handler.HandlerStem(),
        ErrorbarContainer: legend_handler.HandlerErrorbar(),

# 需要导入模块: from matplotlib.patches import FancyBboxPatch [as 别名]
# 或者: from matplotlib.patches.FancyBboxPatch import get_window_extent [as 别名]

#.........这里部分代码省略.........
        return x+xdescent, y+ydescent

    def draw(self, renderer):
        "Draw everything that belongs to the legend"
        if not self.get_visible(): return

        self._update_legend_box(renderer)

        renderer.open_group('legend')

        # find_offset function will be provided to _legend_box and
        # _legend_box will draw itself at the location of the return
        # value of the find_offset.
        if self._loc == 0:
            _findoffset = self._findoffset_best
        else:
            _findoffset = self._findoffset_loc

        def findoffset(width, height, xdescent, ydescent):
            return _findoffset(width, height, xdescent, ydescent, renderer)
        
        self._legend_box.set_offset(findoffset)
        
        fontsize = renderer.points_to_pixels(self.fontsize)

        # if mode == fill, set the width of the legend_box to the
        # width of the paret (minus pads)
        if self._mode in ["expand"]:
            pad = 2*(self.borderaxespad+self.borderpad)*fontsize
            self._legend_box.set_width(self.parent.bbox.width-pad)

        if self._drawFrame:
            # update the location and size of the legend
            bbox = self._legend_box.get_window_extent(renderer)
            self.legendPatch.set_bounds(bbox.x0, bbox.y0,
                                        bbox.width, bbox.height)

            self.legendPatch.set_mutation_scale(fontsize)

            if self.shadow:
                shadow = Shadow(self.legendPatch, 2, -2)
                shadow.draw(renderer)

            self.legendPatch.draw(renderer)

        self._legend_box.draw(renderer)

        renderer.close_group('legend')


    def _approx_text_height(self, renderer=None):
        """
        Return the approximate height of the text. This is used to place
        the legend handle.
        """
        if renderer is None:
            return self.fontsize
        else:
            return renderer.points_to_pixels(self.fontsize)


    def _init_legend_box(self, handles, labels):
        """
        Initiallize the legend_box. The legend_box is an instance of
        the OffsetBox, which is packed with legend handles and
        texts. Once packed, their location is calculated during the