public void ProcessDown(object sender, StylusEventArgs args)
{
downTime++;
Console.WriteLine("downTime:" + downTime);
Point location = args.GetPosition(_inkCanvas);
int index = _spiralSummarization.getSelectedKeyFrameIndex(location);//, _spiralSummarization);
//if (pictureTracker == null)
// return;
if (index != int.MinValue)
{
index = _spiralSummarization.KeyFrames.IndexOf(_spiralSummarization.ShowKeyFrames[index]);
}
if (indexes[0] == int.MinValue)
{
indexes[0] = index;
}
else
{
indexes[1] = index;
}
Console.WriteLine("index0:" + indexes[0]);
Console.WriteLine("index1:" + indexes[1]);
PictureTracker pictureTracker = GetPictureTracker(args.StylusDevice.Id, location);
pictureTracker.ProcessDown(args.StylusDevice.Id, location);
}
private PictureTracker GetPictureTracker(int touchId)
{
PictureTracker pictureTracker = null;
_pictureTrackerMap.TryGetValue(touchId, out pictureTracker);
return(pictureTracker);
}
//We remove the touchID from the tracking map since the fingers are no longer touch
//the picture
public void InInertia(PictureTracker pictureTracker)
{
//remove all touch id from the map
foreach (int id in
(from KeyValuePair <int, PictureTracker> entry in _pictureTrackerMap
where entry.Value == pictureTracker
select entry.Key).ToList())
{
_pictureTrackerMap.Remove(id);
}
}
public void ProcessUp(object sender, StylusEventArgs args)
{
Point location = args.GetPosition(_inkCanvas);
PictureTracker pictureTracker = GetPictureTracker(args.StylusDevice.Id, location);
if (pictureTracker == null)
{
return;
}
pictureTracker.ProcessUp(args.StylusDevice.Id, location);
}
private PictureTracker GetPictureTracker(int touchId, Point location)
{
PictureTracker pictureTracker;
//See if we already track the picture with the touchId
if (_pictureTrackerMap.TryGetValue(touchId, out pictureTracker))
{
return(pictureTracker);
}
//Get the picture under the touch location
//Picture picture = FindPicture(location);
int index = _spiralSummarization.getSelectedKeyFrameIndex(location);//, _spiralSummarization);
//if (index == int.MinValue)
// return null;
//See if we track the picture with other ID
if (indexes[0] == int.MinValue && indexes[1] == int.MinValue)
{
pictureTracker = (from KeyValuePair <int, PictureTracker> entry in _pictureTrackerMap
where entry.Value.index == index
select entry.Value).FirstOrDefault();
}
else
{
pictureTracker = (from KeyValuePair <int, PictureTracker> entry in _pictureTrackerMap
where entry.Value.index != index
select entry.Value).FirstOrDefault();
}
//First time
if (pictureTracker == null)
{
//take from stack
if (_pictureTrackers.Count > 0)
{
pictureTracker = _pictureTrackers.Pop();
}
else //create new
{
pictureTracker = new PictureTracker(this);
}
pictureTracker.index = index;
//BringPictureToFront(picture);
}
//remember the corelation between the touch id and the picture
_pictureTrackerMap[touchId] = pictureTracker;
//MessageBox.Show(index.ToString());
return(pictureTracker);
}
//Inertia is completed, we can reuse the object
public void Completed(PictureTracker pictureTracker)
{
Console.WriteLine("zoomState:" + zoomState);
if (zoomState != 0)
{
if (indexes[0] != int.MinValue && indexes[1] != int.MinValue &&
indexes[0] != indexes[1])
{
if (indexes[0] > indexes[1])
{
int tem = indexes[1];
indexes[1] = indexes[0];
indexes[0] = tem;
}
if (zoomState == 1)
{
if (isFocus)
{
if (!SpiralSummarization.IsZoomOut)
{
SpiralSummarization.ZoomInOut();
}
}
else
{
SpiralSummarization.InsertKeyFrames(indexes[0], indexes[1]);
}
}
else if (zoomState == 2)
{
if (isFocus)
{
if (SpiralSummarization.IsZoomOut)
{
SpiralSummarization.ZoomInOut();
}
}
else
{
SpiralSummarization.HiddenKeyFrames(indexes[0], indexes[1]);
}
}
}
else if (indexes[0] == int.MinValue && indexes[1] == int.MinValue)
{
if (zoomState == 1)
{
InkTool.getInstance().InkCanvasZoom(InkCanvas, zoomRate, zoomRate + 0.1 <= 3 ? zoomRate = zoomRate + 0.1 : zoomRate, 0.5, 0.5);
_videoSummarizationControl.InkCanvasShowRate.Content = (zoomRate * 100).ToString() + "%";
}
else if (zoomState == 2)
{
InkTool.getInstance().InkCanvasZoom(InkCanvas, zoomRate, zoomRate > 0.15 ? zoomRate = zoomRate - 0.1 : zoomRate, 0.5, 0.5);
_videoSummarizationControl.InkCanvasShowRate.Content = (zoomRate * 100).ToString() + "%";
}
}
}
else if (indexes[0] != int.MinValue && indexes[1] == int.MinValue)
{
VideoSummarizationTool.locateMediaPlayer(
_spiralSummarization.InkCollector._mainPage.VideoSummarizationControl.mediaPlayer,
_spiralSummarization.KeyFrames[indexes[0]]);
}
pictureTracker.index = int.MinValue;
indexes[0] = int.MinValue;
indexes[1] = int.MinValue;
zoomState = 0;
_pictureTrackers.Push(pictureTracker);
}