public void SetCanvas(PictureBoxObj pb)
{
lock (_canvasSync)
{
if (pb == null || pb.Image == null)
{
return;
}
Width = pb.Width;
Height = pb.Height;
_backPicture = pb;
this.Controls.Add(_backPicture);
_backPicture.SendToBack();
_backPicture.Invalidate();
_frontPicture = new PictureBoxObj(_backPicture.ClientID, _backPicture.UniqueID, PictureBoxStatus.Canvas);
this.Controls.Add(_frontPicture);
_frontPicture.Width = pb.Width;
_frontPicture.Height = pb.Width;
_frontPicture.Image = new Bitmap(Width, Height);
_frontPicture.BringToFront();
_editPBDrawObjects[0] = new DrawObjectList(0);
}
_isCleared = false;
_needUpdateFrontPicture = true;
AppLogger.Log("Picture loaded: width " + Width + ", height " + Height);
}
private void RemoveDrawObjectList(long picObjID)
{
DrawObjectList drl = null;
lock (_canvasSync)
{
_editPBDrawObjects.TryGetValue(picObjID, out drl);
_editPBDrawObjects.Remove(picObjID);
}
if (drl != null)
{
drl.Clear();
}
}