public override void _presenter_MouseMove(object sender, System.Windows.Input.MouseEventArgs e)
{
if (this.VideoSummarizationControl == null)
{
this.VideoSummarizationControl = _inkCollector._mainPage.VideoSummarizationControl;
}
if (_startPoint.X == 0 && _startPoint.Y == 0)
{
_currPoint = e.GetPosition(_inkCanvas);
_currPoint.X -= inkCanvasSpiralSummarizationMargin.Left;
_currPoint.Y -= inkCanvasSpiralSummarizationMargin.Top;
currIndex = videoSummarization.getSelectedKeyFrameIndex(_currPoint);
//记录操作类型与持续时间
recordOperateTrace("MOVE");
if (currIndex != int.MinValue && currIndex != preIndex && _inkCollector.IsShowUnbrokenKeyFrame)
{
moveTimerSecond = 0;
MoveTimer.Start();
clearPreMessage();
currIndex = currIndex >= videoSummarization.ShowKeyFrames.Count ? videoSummarization.ShowKeyFrames.Count - 1 : currIndex;
currIndex = (currIndex == -1 ? 0 : currIndex);
Image currImage = InkConstants.getImageFromName(videoSummarization.ShowKeyFrames[currIndex].ImageName);
currImage.Width = 300;
currImage.Height = 200;
currImage.Margin = new Thickness((VideoSummarizationControl.summarization._inkCanvas.ActualWidth - currImage.Width) / 2,
200, 0, 0);
tapestrySummarization.ParentInkcanvas.Children.Add(currImage);
preImage = currImage;
preIndex = currIndex;
}
else if (currIndex == int.MinValue)
{
if (preImage != null)
{
_inkCanvas.Children.Remove(preImage);
}
moveTimerSecond = 0;
}
//显示移动轨迹
if (moveStroke != null)
{
moveStroke.StylusPoints.Add(new StylusPoint(_currPoint.X, _currPoint.Y));
if (moveStroke.StylusPoints.Count > 300)
{
moveStroke.StylusPoints.RemoveAt(0);
}
}
else
{
StylusPointCollection spc = new StylusPointCollection();
spc.Add(new StylusPoint(_currPoint.X, _currPoint.Y));
moveStroke = new Stroke(spc);
moveStroke.DrawingAttributes.Color = Colors.Transparent;
moveStroke.DrawingAttributes.Width = 3;
moveStroke.DrawingAttributes.Height = 3;
_inkCanvas.Strokes.Add(moveStroke);
}
}
else
{
_currPoint = e.GetPosition(_inkCanvas);
if (startIndex != int.MinValue && _currPoint.X > 0)
{
left = videoSummarization.InkCanvas.Margin.Left + _currPoint.X - _prePoint.X;
//if (left <= 0 && left >VideoSummarizationControl.summarization._inkCanvas.ActualWidth -tapestrySummarization.Width )
//{
videoSummarization.InkCanvas.Margin = new Thickness(left,
videoSummarization.InkCanvas.Margin.Top, 0, 0);
//}
if (left > 0)
{
left = 0;
timebar.Show_EndTime = VideoSummarizationControl.summarization._inkCanvas.ActualWidth - videoSummarization.InkCanvas.Margin.Left;
}
else if (left < -tapestrySummarization.Width + VideoSummarizationControl.summarization._inkCanvas.ActualWidth)
{
left = videoSummarization.InkCanvas.Margin.Left;
timebar.Show_EndTime = -left + tapestrySummarization.Width + videoSummarization.InkCanvas.Margin.Left;
}
else
{
timebar.Show_EndTime = -left + VideoSummarizationControl.summarization._inkCanvas.ActualWidth;
}
timebar.Show_StartTime = -left;
// timebar.Show_EndTime = -left + VideoSummarizationControl.summarization._inkCanvas.ActualWidth;
timebar.computeLocation();
_prePoint = _currPoint;
}
if (startIndex == int.MinValue && mouseGesture != null)
{
mouseGesture.Capturing((int)_currPoint.X, (int)_currPoint.Y);
}
//记录操作类型与持续时间
recordOperateTrace("MOVE");
}
}
