private bool IsOnExtraDrawing(Metadata metadata, PointF mouseCoordinates, long currentTimestamp)
{
// Test if we hit an unattached drawing.
bool isOnDrawing = false;
int hitResult = -1;
int currentDrawing = 0;
while (hitResult < 0 && currentDrawing < metadata.ExtraDrawings.Count)
{
hitResult = metadata.ExtraDrawings[currentDrawing].HitTest(mouseCoordinates, currentTimestamp, metadata.CalibrationHelper.DistortionHelper, metadata.CoordinateSystem, metadata.CoordinateSystem.Zooming);
if (hitResult < 0)
{
currentDrawing++;
continue;
}
isOnDrawing = true;
selectedObjectType = SelectedObjectType.ExtraDrawing;
metadata.SelectDrawing(metadata.ExtraDrawings[currentDrawing]);
if (hitResult > 0)
{
manipulationType = ManipulationType.Resize;
resizingHandle = hitResult;
}
else
{
manipulationType = ManipulationType.Move;
}
}
return(isOnDrawing);
}
private bool IsOnChronometer(Metadata metadata, PointF point, long currentTimestamp)
{
bool isOnDrawing = false;
foreach (AbstractDrawing drawing in metadata.ChronoManager.Drawings)
{
int hitResult = drawing.HitTest(point, currentTimestamp, metadata.CalibrationHelper.DistortionHelper, metadata.CoordinateSystem, metadata.CoordinateSystem.Zooming);
if (hitResult < 0)
{
continue;
}
isOnDrawing = true;
selectedObjectType = SelectedObjectType.ExtraDrawing;
metadata.SelectDrawing(drawing);
if (hitResult > 0)
{
manipulationType = ManipulationType.Resize;
resizingHandle = hitResult;
}
else
{
manipulationType = ManipulationType.Move;
}
break;
}
return(isOnDrawing);
}
private bool IsOnTrack(Metadata metadata, PointF mouseCoordinates, long currentTimeStamp)
{
// Track have their own special hit test because we need to differenciate the interactive case from the edit case.
bool isOnDrawing = false;
foreach (AbstractDrawing drawing in metadata.TrackManager.Drawings)
{
DrawingTrack track = drawing as DrawingTrack;
if (track == null)
{
continue;
}
int hitResult = drawing.HitTest(mouseCoordinates, currentTimeStamp, metadata.CalibrationHelper.DistortionHelper, metadata.CoordinateSystem, metadata.CoordinateSystem.Zooming);
if (hitResult < 0)
{
continue;
}
isOnDrawing = true;
selectedObjectType = SelectedObjectType.ExtraDrawing;
metadata.SelectDrawing(drawing);
manipulationType = ManipulationType.Move;
switch (track.Status)
{
case TrackStatus.Interactive:
if (hitResult == 0 || hitResult == 1)
{
manipulationType = ManipulationType.Resize;
resizingHandle = hitResult;
}
break;
case TrackStatus.Configuration:
if (hitResult > 1)
{
manipulationType = ManipulationType.Resize;
resizingHandle = hitResult;
}
break;
}
break;
}
return(isOnDrawing);
}
private bool DrawingHitTest(Metadata metadata, int keyFrameIndex, PointF mouseCoordinates, long currentTimeStamp, DistortionHelper distorter, CoordinateSystem transformer)
{
bool isOnDrawing = false;
int hitResult = -1;
int currentDrawing = 0;
Keyframe kf = metadata.Keyframes[keyFrameIndex];
while (hitResult < 0 && currentDrawing < kf.Drawings.Count)
{
hitResult = kf.Drawings[currentDrawing].HitTest(mouseCoordinates, currentTimeStamp, distorter, transformer, transformer.Zooming);
if (hitResult < 0)
{
currentDrawing++;
continue;
}
isOnDrawing = true;
selectedObjectType = SelectedObjectType.Drawing;
metadata.SelectDrawing(kf.Drawings[currentDrawing]);
metadata.SelectKeyframe(kf);
if (hitResult > 0)
{
manipulationType = ManipulationType.Resize;
resizingHandle = hitResult;
}
else
{
manipulationType = ManipulationType.Move;
}
}
return(isOnDrawing);
}