/// <summary>
/// 绘制该控制点
/// </summary>
/// <param name="g"></param>
public void Draw(Graphics g)
{
DrawBorderHandler(g, PositionRect, backColor);
if (selected)
{
//选中时边框变粗
CustomRectangle rect = new CustomRectangle(x - 4, y - 4, 8, 8);
g.DrawRectangle(new Pen(Color.Black), rect.ToRectangle());
}
}
public static CustomRectangle ToCustomRectangle(RectangleF re)
{
CustomRectangle cus = new CustomRectangle();
cus.X = re.X;
cus.Y = re.Y;
cus.Width = re.Width;
cus.Height = re.Height;
return(cus);
}
void VistaCalendar_Resize(object sender, EventArgs e)
{
if (positionRect == null)
{
positionRect = new CustomRectangle();
}
positionRect.Width = (int)ImageBg.Width;
positionRect.Height = (int)ImageBg.Height;
positionRect.Top = (int)(this.ClientSize.Height < ImageBg.Height ? 0 : (this.ClientSize.Height - ImageBg.Height) / 2f);
positionRect.Left = (int)(this.ClientSize.Width < ImageBg.Width ? 0 : (this.ClientSize.Width - ImageBg.Width) / 2f);
this.Invalidate();
}
/// <summary>
/// 鼠标点击测试，看是否在点附近点击
/// </summary>
/// <param name="pt"></param>
/// <returns></returns>
public bool MouseHitTest(PointF pt)
{
CustomRectangle rect = new CustomRectangle(x - 5, y - 5, 10, 10); //判断选中时加点误差，使选中更加顺利
return(rect.IsPointFInRectangle(pt.X, pt.Y));
}
/// <summary>
/// 绘制边框句柄
/// </summary>
/// <param name="g"></param>
/// <param name="rect"></param>
private void DrawBorderHandler(Graphics g, CustomRectangle rect, Color clr)
{
g.FillRectangle(new SolidBrush(clr), rect.ToRectangleF());
g.DrawRectangle(new Pen(Color.Black), rect.ToRectangle());
}