private void CreateNewDrawing(PointF imagePoint, ImageToViewportTransformer transformer)
{
int keyframeIndex = 0;
int timestampPerFrame = 1;
long currentTimestamp = 0;
bool editingLabel = false;
if (screenToolManager.ActiveTool == ToolManager.Tools["Label"])
{
editingLabel = LabelMouseDown(imagePoint, currentTimestamp, transformer);
}
if (editingLabel)
{
return;
}
if (metadata.Count == 0)
{
Keyframe kf = new Keyframe(0, "", metadata);
metadata.AddKeyframe(kf);
}
AddDrawing(imagePoint, keyframeIndex, timestampPerFrame, transformer);
}
public override HistoryMemento PerformUndo()
{
HistoryMemento redoMemento = new HistoryMementoAddKeyframe(metadata, keyframeId);
redoMemento.CommandName = commandName;
Keyframe keyframe = KeyframeSerializer.DeserializeMemento(data, metadata);
metadata.AddKeyframe(keyframe);
return(redoMemento);
}
private void InitializeMetadata()
{
metadata = new Metadata(historyStack, null);
// TODO: hook to events raised by metadata.
LoadCompanionKVA();
if (metadata.Count == 0)
{
Keyframe kf = new Keyframe(0, "capture", metadata);
metadata.AddKeyframe(kf);
}
metadataRenderer = new MetadataRenderer(metadata);
metadataManipulator = new MetadataManipulator(metadata, screenToolManager);
viewportController.MetadataRenderer = metadataRenderer;
viewportController.MetadataManipulator = metadataManipulator;
}