message: bring back bounds check and switch to floor
diff: @@ -1787,8 +1787,8 @@ static gboolean icvOnMouse( GtkWidget *widget, GdkEvent *event, gpointer user_da
  GdkEventMotion* event_motion = (GdkEventMotion*)event;
  cv_event = CV_EVENT_MOUSEMOVE;
  - pt32f.x = cvRound(event_motion->x);
  - pt32f.y = cvRound(event_motion->y);
  + pt32f.x = cvFloor(event_motion->x);
  + pt32f.y = cvFloor(event_motion->y);
  state = event_motion->state;
  }
  else if( event->type == GDK_BUTTON_PRESS ||
  @@ -1796,8 +1796,8 @@ static gboolean icvOnMouse( GtkWidget *widget, GdkEvent *event, gpointer user_da
  event->type == GDK_2BUTTON_PRESS )
  {
  GdkEventButton* event_button = (GdkEventButton*)event;
  - pt32f.x = cvRound(event_button->x);
  - pt32f.y = cvRound(event_button->y);
  + pt32f.x = cvFloor(event_button->x);
  + pt32f.y = cvFloor(event_button->y);
  if( event_button->type == GDK_BUTTON_PRESS )
  @@ -1874,8 +1874,8 @@ static gboolean icvOnMouse( GtkWidget *widget, GdkEvent *event, gpointer user_da
  pt = cvPointFrom32f( pt32f );
  }
  -// if((unsigned)pt.x < (unsigned)(image_widget->original_image->width) &&
  -// (unsigned)pt.y < (unsigned)(image_widget->original_image->height) )
  + if((unsigned)pt.x < (unsigned)(image_widget->original_image->width) &&
  + (unsigned)pt.y < (unsigned)(image_widget->original_image->height) )
  {
  flags |= BIT_MAP(state, GDK_SHIFT_MASK, CV_EVENT_FLAG_SHIFTKEY) |
  BIT_MAP(state, GDK_CONTROL_MASK, CV_EVENT_FLAG_CTRLKEY) |
  