本文整理汇总了Python中zoominterface.Zoomable.nsToPixel方法的典型用法代码示例。如果您正苦于以下问题：Python Zoomable.nsToPixel方法的具体用法？Python Zoomable.nsToPixel怎么用？Python Zoomable.nsToPixel使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类zoominterface.Zoomable的用法示例。
在下文中一共展示了Zoomable.nsToPixel方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _updateScrollAdjustments
# 需要导入模块: from zoominterface import Zoomable [as 别名]
# 或者: from zoominterface.Zoomable import nsToPixel [as 别名]
def _updateScrollAdjustments(self):
a = self.get_allocation()
size = Zoomable.nsToPixel(self.timeline.duration)
self.hadj.props.lower = 0
self.hadj.props.upper = size + 200 # why is this necessary???
self.hadj.props.page_size = a.width
self.hadj.props.page_increment = size * 0.9
self.hadj.props.step_increment = size * 0.1示例2: scrollToPlayhead
# 需要导入模块: from zoominterface import Zoomable [as 别名]
# 或者: from zoominterface.Zoomable import nsToPixel [as 别名]
def scrollToPlayhead(self):
"""
Scroll the current position as close to the center of the view
as possible (as close as the timeline canvas allows).
"""
page_size = self.hadj.get_page_size()
new_pos = Zoomable.nsToPixel(self._position)
scroll_pos = self.hadj.get_value()
if (new_pos > scroll_pos + page_size) or (new_pos < scroll_pos):
self.scrollToPosition(min(new_pos - page_size / 2, self.hadj.upper - page_size - 1))
return False示例3: zoomChanged
# 需要导入模块: from zoominterface import Zoomable [as 别名]
# 或者: from zoominterface.Zoomable import nsToPixel [as 别名]
def zoomChanged(self):
if self._updateZoom:
self._zoomAdjustment.set_value(self.getCurrentZoomLevel())
# the new scroll position should preserve the current horizontal
# position of the playhead in the window
cur_playhead_offset = self._canvas._playhead.props.x - self.hadj.props.value
new_pos = Zoomable.nsToPixel(self._position) - cur_playhead_offset
self._updateScrollAdjustments()
self._scrollToPosition(new_pos)
self.ruler.queue_resize()
self.ruler.queue_draw()