41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
# piker: trading gear for hackers
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# Copyright (C) Tyler Goodlet (in stewardship for piker0)
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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'''
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Anchor funtions for UI placement of annotions.
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'''
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def marker_right_points(
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chart: 'ChartPlotWidget', # noqa
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marker_size: int = 20,
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) -> (float, float, float):
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# chart = self._chart
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l1_len = chart._max_l1_line_len
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ryaxis = chart.getAxis('right')
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r_axis_x = ryaxis.pos().x()
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up_to_l1_sc = r_axis_x - l1_len
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marker_right = up_to_l1_sc - (1.375 * 2 * marker_size)
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line_end = marker_right - (6/16 * marker_size)
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return line_end, marker_right, r_axis_x
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