Beispiel #1
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    def get_coordinates(self):
        """ return shape coordinates in percentages (left, top, right, bottom)
        """

        (x1, y1), (x2, y2) = self.coordinates

        drawing_width = pixels_to_EMU(self._chart.drawing.width)
        drawing_height = pixels_to_EMU(self._chart.drawing.height)
        plot_width = drawing_width * self._chart.width
        plot_height = drawing_height * self._chart.height

        margin_left = self._chart._get_margin_left() * drawing_width
        xunit = plot_width / self._chart.get_x_units()

        margin_top = self._chart._get_margin_top() * drawing_height
        yunit = self._chart.get_y_units()

        x_start = (margin_left + (float(x1) * xunit)) / drawing_width
        y_start = ((margin_top
                    + plot_height
                    - (float(y1) * yunit))
                    / drawing_height)

        x_end = (margin_left + (float(x2) * xunit)) / drawing_width
        y_end = ((margin_top
                  + plot_height
                  - (float(y2) * yunit))
                  / drawing_height)

        def _norm_pct(pct):
            """ force shapes to appear by truncating too large sizes """
            if pct > 1:
                pct = 1
            elif pct < 0:
                pct = 0
            return pct

        # allow user to specify y's in whatever order
        # excel expect y_end to be lower
        if y_end < y_start:
            y_end, y_start = y_start, y_end

        return (_norm_pct(x_start), _norm_pct(y_start),
            _norm_pct(x_end), _norm_pct(y_end))
Beispiel #2
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    def get_coordinates(self):
        """ return shape coordinates in percentages (left, top, right, bottom)
        """

        (x1, y1), (x2, y2) = self.coordinates

        drawing_width = pixels_to_EMU(self._chart.drawing.width)
        drawing_height = pixels_to_EMU(self._chart.drawing.height)
        plot_width = drawing_width * self._chart.width
        plot_height = drawing_height * self._chart.height

        margin_left = self._chart._get_margin_left() * drawing_width
        xunit = plot_width / self._chart.get_x_units()

        margin_top = self._chart._get_margin_top() * drawing_height
        yunit = self._chart.get_y_units()

        x_start = (margin_left + (float(x1) * xunit)) / drawing_width
        y_start = ((margin_top + plot_height - (float(y1) * yunit)) /
                   drawing_height)

        x_end = (margin_left + (float(x2) * xunit)) / drawing_width
        y_end = ((margin_top + plot_height - (float(y2) * yunit)) /
                 drawing_height)

        def _norm_pct(pct):
            """ force shapes to appear by truncating too large sizes """
            if pct > 1:
                pct = 1
            elif pct < 0:
                pct = 0
            return pct

        # allow user to specify y's in whatever order
        # excel expect y_end to be lower
        if y_end < y_start:
            y_end, y_start = y_start, y_end

        return (_norm_pct(x_start), _norm_pct(y_start), _norm_pct(x_end),
                _norm_pct(y_end))
Beispiel #3
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    def _set_border_width(self, w):

        self._border_width = pixels_to_EMU(w)
Beispiel #4
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    def get_emu_dimensions(self):
        """ return (x, y, w, h) in EMU """

        return (pixels_to_EMU(self.left), pixels_to_EMU(self.top),
                pixels_to_EMU(self._width), pixels_to_EMU(self._height))
Beispiel #5
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    def get_y_units(self):
        """ calculate one unit for y axis in EMU """

        dh = pixels_to_EMU(self.drawing.height)
        return (dh * self.height) / self.y_axis.max
Beispiel #6
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    def _set_border_width(self, w):

        self._border_width = pixels_to_EMU(w)
Beispiel #7
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    def get_emu_dimensions(self):
        """ return (x, y, w, h) in EMU """

        return (pixels_to_EMU(self.left), pixels_to_EMU(self.top),
            pixels_to_EMU(self._width), pixels_to_EMU(self._height))