/// <summary>
/// 畫框
/// </summary>
///
void drawRectInit(MouseEventArgs e)
{
#region 畫框
#region new
if (HitArea(ptMouseDown, drawRect))
{
rectLog = drawRect;
emor = eMouseOverRange.inRange;
RatioPtMouseDown = new Point((int)((ptMouseDown.X - offsetX) / MinRatio), (int)((ptMouseDown.Y - offsetY) / MinRatio));
}
else
{
drawRect = new Rectangle(ptMouseDown, new Size(0, 0));
emor = eMouseOverRange.outRange;
RatioPtMouseDown = new Point((int)((ptMouseDown.X - offsetX) / MinRatio), (int)((ptMouseDown.Y - offsetY) / MinRatio));
}
#endregion
#region old
//drawRect = new Rectangle(ptMouseDown, new Size(0, 0));
//emor = eMouseOverRange.outRange;
//RatioPtMouseDown = new Point((int)((ptMouseDown.X - offsetX) / MinRatio), (int)((ptMouseDown.Y - offsetY) / MinRatio));
#endregion
#endregion
}
private void pictureBoxTopDisplay_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Right)
{
return;
}
if (CaptureImageFrom.Image != null)
{
#region offset:偏移量、縮放比例
float RatioW = (float)CaptureImageFrom.Width / (float)CaptureImageFrom.Image.Width;
float RatioH = (float)CaptureImageFrom.Height / (float)CaptureImageFrom.Image.Height;
MinRatio = Math.Min(RatioW, RatioH);
offsetX = (int)(CaptureImageFrom.Image.Width * MinRatio) - CaptureImageFrom.Width;
if (Math.Abs(offsetX) > 10)
{
offsetX = Math.Abs(offsetX / 2);
}
else
{
offsetX = 0;
}
offsetY = (int)(CaptureImageFrom.Image.Height * MinRatio) - CaptureImageFrom.Height;
if (Math.Abs(offsetY) > 10)
{
offsetY = Math.Abs(offsetY / 2);
}
else
{
offsetY = 0;
}
#endregion
switch (e.Button)
{
case MouseButtons.Left:
ptMouseDown = e.Location;
#region 超出範圍
if ((sender as PictureBox).Image == null)
{
return;
}
if (((ptMouseDown.X - offsetX) < 0) || ((ptMouseDown.Y - offsetY)) < 0) //image 之外
{
return;
}
if ((ptMouseDown.X > (offsetX + (CaptureImageFrom.Image.Width * MinRatio))) ||
(ptMouseDown.Y > (offsetY + (CaptureImageFrom.Image.Height * MinRatio)))) //image 之外
{
return;
}
#endregion
#region 畫框
if (HitArea(ptMouseDown, drawRect))
{
rectLog = drawRect;
emor = eMouseOverRange.inRange;
}
else
{
drawRect = new Rectangle(ptMouseDown, new Size(0, 0));
emor = eMouseOverRange.outRange;
RatioPtMouseDown = new Point((int)((ptMouseDown.X - offsetX) / MinRatio), (int)((ptMouseDown.Y - offsetY) / MinRatio));
}
#endregion
break;
default:
break;
}
(sender as PictureBox).Refresh();
}
//isMouseDrag = false;
}
