Gnumed.timelinelib.canvas.drawing.drawers.nowline

Package Gnumed :: Package timelinelib :: Package canvas :: Package drawing :: Package drawers :: Module nowline |
[frames] | no frames]

# Source Code for Module Gnumed.timelinelib.canvas.drawing.drawers.nowline

     1  # Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018  Rickard Lindberg, Roger Lindberg
     2  #
     3  # This file is part of Timeline.
     4  #
     5  # Timeline is free software: you can redistribute it and/or modify
     6  # it under the terms of the GNU General Public License as published by
     7  # the Free Software Foundation, either version 3 of the License, or
     8  # (at your option) any later version.
     9  #
    10  # Timeline is distributed in the hope that it will be useful,
    11  # but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13  # GNU General Public License for more details.
    14  #
    15  # You should have received a copy of the GNU General Public License
    16  # along with Timeline.  If not, see <http://www.gnu.org/licenses/>.
    17
    18
    19 -class NowLine:
    20
    21 -    def __init__(self, drawer):
    22          self._drawer = drawer
    23          self._scene = drawer.scene
    24          self._dc = drawer.dc
    25          self._appearance = drawer.appearance
    26
    27 -    def draw(self):
    28          x = self._calculate_x_pos()
    29          if self._now_line_is_visible(x):
    30              self._draw_line(x)
    31
    32 -    def _calculate_x_pos(self):
    33          now_time = self._drawer.time_type.now()
    34          return self._scene.x_pos_for_time(now_time)
    35
    36 -    def _now_line_is_visible(self, x):
    37          return x > 0 and x < self._scene.width
    38
    39 -    def _draw_line(self, x):
    40          self._dc.SetPen(self._drawer.now_pen)
    41          self._dc.DrawLine(x, 0, x, self._scene.height)
    42          if self._appearance.get_use_bold_nowline():
    43              self._dc.DrawLine(x + 1, 0, x + 1, self._scene.height)
    44              self._dc.DrawLine(x - 1, 0, x - 1, self._scene.height)
    45