/// <summary>
/// 鼠标在空间窗体里滑动,显示鼠标所在位置的灰度值
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void HWindowControl_HMouseMove(object sender, HMouseEventArgs e)
{
if (hv_image != null)
{
try
{
int button_state;
double positionX, positionY;
string str_value;
string str_position;
bool _isXOut = true, _isYOut = true;
HTuple channel_count;
HOperatorSet.CountChannels(hv_image, out channel_count);
hv_window.GetMpositionSubPix(out positionY, out positionX, out button_state);
str_position = String.Format("RC: {0:0000},{1:0000}", positionY, positionX);
_isXOut = (positionX < 0 || positionX >= hv_imageWidth);
_isYOut = (positionY < 0 || positionY >= hv_imageHeight);
if (!_isXOut && !_isYOut)
{
if ((int)channel_count == 1)
{
double grayVal;
grayVal = hv_image.GetGrayval((int)positionY, (int)positionX);
str_value = String.Format("Val: {0:000}", grayVal);
}
else if ((int)channel_count == 3)
{
double grayValRed, grayValGreen, grayValBlue;
HImage _RedChannel, _GreenChannel, _BlueChannel;
_RedChannel = hv_image.AccessChannel(1);
_GreenChannel = hv_image.AccessChannel(2);
_BlueChannel = hv_image.AccessChannel(3);
grayValRed = _RedChannel.GetGrayval((int)positionY, (int)positionX);
grayValGreen = _GreenChannel.GetGrayval((int)positionY, (int)positionX);
grayValBlue = _BlueChannel.GetGrayval((int)positionY, (int)positionX);
_RedChannel.Dispose();
_GreenChannel.Dispose();
_BlueChannel.Dispose();
str_value = String.Format("Gray: ({0:000}, {1:000}, {2:000})", grayValRed, grayValGreen, grayValBlue);
}
else
{
str_value = "";
}
m_CtrlHStatusLabelCtrl.Text = string.Format("Ch:{0} ", channel_count.ToDArr()) + str_imgSize + " " + str_position + " " + str_value;
}
}
catch (Exception ex)
{
//不处理
}
}
}