private ExamVectorShapeModel CreateExam()
{
var exam = new ExamVectorShapeModel(mouseDownPoint.X, mouseDownPoint.Y, 0, color, layers[0]);
vectorShapes.Add(exam);
return(exam);
}
private void ResizeExam(ExamVectorShapeModel exam)
{
exam.X = Math.Min(mouseDownPoint.X, mouseUpPoint.X);
exam.Y = Math.Min(mouseDownPoint.Y, mouseUpPoint.Y);
exam.Radius = Math.Max(Math.Abs(mouseUpPoint.X - mouseDownPoint.X), Math.Abs(mouseUpPoint.Y - mouseDownPoint.Y));
}