コード例 #1
0
        /// <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
                }
            }
        }