/// <summary>
/// 刷新控件
/// </summary>
public void refreshWindow()
{
_hWindowControl1.HalconWindow.ClearWindow();
if (Ho_Image.IsInitialized())
{
_hWindowControl1.HalconWindow.DispObj(Ho_Image);
}
}
/// <summary>
/// 让图片适应窗口显示
/// </summary>
public void DispImageFit()
{
try
{
if (Ho_Image.IsInitialized())
{
_halconWindow1.ClearWindow();
HTuple width, height;
HOperatorSet.GetImageSize(Ho_Image, out width, out height);
HOperatorSet.SetPart(_halconWindow1, 0, 0, height - 1, width - 1);
_halconWindow1.DispObj(Ho_Image);
//if (_xld!=null)
//{
// hWindowControl1.HalconWindow.DispObj(_xld);
//}
}
}
catch (Exception ex)
{
StatusMessage.Text = ex.Message;
}
}
private void hWindowControl1_HMouseWheel(object sender, HMouseEventArgs e)
{
if (Ho_Image.IsInitialized())
{
double mposition_row = 0, mposition_col = 0;
int button_state;
HWindow hv_window = _halconWindow1;
try
{
hv_window.GetMpositionSubPix(out mposition_row, out mposition_col, out button_state);
hv_window.GetPart(out current_beginRow, out current_beginCol, out current_endRow, out current_endCol);
}
catch (Exception ex)
{
StatusMessage.Text = ex.Message;
}
if (e.Delta > 0) // 放大图像
{
zoom_beginRow = (int)(current_beginRow + (mposition_row - current_beginRow) * 0.300d);
zoom_beginCol = (int)(current_beginCol + (mposition_col - current_beginCol) * 0.300d);
zoom_endRow = (int)(current_endRow - (current_endRow - mposition_row) * 0.300d);
zoom_endCol = (int)(current_endCol - (current_endCol - mposition_col) * 0.300d);
}
else // 缩小图像
{
zoom_beginRow = (int)(mposition_row - (mposition_row - current_beginRow) / 0.700d);
zoom_beginCol = (int)(mposition_col - (mposition_col - current_beginCol) / 0.700d);
zoom_endRow = (int)(mposition_row + (current_endRow - mposition_row) / 0.700d);
zoom_endCol = (int)(mposition_col + (current_endCol - mposition_col) / 0.700d);
}
try
{
int hw_width, hw_height;
hw_width = _hWindowControl1.Size.Width;
hw_height = _hWindowControl1.Size.Height;
HTuple width, height;
HOperatorSet.GetImageSize(Ho_Image, out width, out height);
bool _isOutOfArea = true;
bool _isOutOfSize = true;
bool _isOutOfPixel = true; //避免像素过大
_isOutOfArea = zoom_beginRow >= (int)height || zoom_endRow <= 0 || zoom_beginCol >= (int)width || zoom_endCol < 0;
_isOutOfSize = (zoom_endRow - zoom_beginRow) > (int)height * 20 || (zoom_endCol - zoom_beginCol) > (int)width * 20;
_isOutOfPixel = hw_height / (zoom_endRow - zoom_beginRow) > 500 || hw_width / (zoom_endCol - zoom_beginCol) > 500;
if (_isOutOfArea || _isOutOfSize)
{
HOperatorSet.SetPart(_halconWindow1, 0, 0, height - 1, width - 1);
_halconWindow1.DispObj(Ho_Image);
}
else if (!_isOutOfPixel)
{
_halconWindow1.ClearWindow();
zoom_endCol = zoom_beginCol + (zoom_endRow - zoom_beginRow) * hw_width / hw_height;
hv_window.SetPart(zoom_beginRow, zoom_beginCol, zoom_endRow, zoom_endCol);
hv_window.DispObj(Ho_Image);
}
}
catch (Exception ex)
{
DispImageFit();
StatusMessage.Text = ex.Message;
}
}
}
private void hWindowControl1_HMouseMove(object sender, HMouseEventArgs e)
{
if (Ho_Image.IsInitialized())
{
try
{
int button_state;
double positionX, positionY;
string str_value;
string str_position;
bool _isXOut = true, _isYOut = true;
HTuple channel_count; //元素
HOperatorSet.CountChannels(Ho_Image, out channel_count); //计算图片的通道
_halconWindow1.GetMpositionSubPix(out positionY, out positionX, out button_state); //得到亚像素组成 取得坐标，及鼠标的状态
str_position = String.Format("X: {0:0000.0}, Y: {1:0000.0}", positionX, positionY); //把坐标转成字符格式
HTuple width, height;
HOperatorSet.GetImageSize(Ho_Image, out width, out height);
_isXOut = (positionX < 0 || positionX >= (double)width); //判断是否超出范围，超出为1
_isYOut = (positionY < 0 || positionY >= (double)height); //判断是否超出范围，超出为1
if (!_isXOut && !_isYOut)
{
if ((int)channel_count == 1)
{
HTuple grayval;
HOperatorSet.GetGrayval(Ho_Image, (HTuple)positionY, (HTuple)positionX, out grayval);
str_value = String.Format("灰度值: {0:000.0}", (double)grayval);//显示出去
}
else
{
if ((int)channel_count == 3)
{
str_value = "";
HTuple grayValRed, grayValGreen, grayValBlue;
HObject _RedChannel, _GreenChannel, _BlueChannel;
HOperatorSet.GenEmptyObj(out _RedChannel);
HOperatorSet.GenEmptyObj(out _GreenChannel);
HOperatorSet.GenEmptyObj(out _BlueChannel);
HOperatorSet.AccessChannel(Ho_Image, out _RedChannel, 1);
HOperatorSet.AccessChannel(Ho_Image, out _GreenChannel, 2);
HOperatorSet.AccessChannel(Ho_Image, out _BlueChannel, 3);
HOperatorSet.GetGrayval(_RedChannel, (HTuple)positionY, (HTuple)positionX, out grayValRed);
HOperatorSet.GetGrayval(_GreenChannel, (HTuple)positionY, (HTuple)positionX, out grayValGreen);
HOperatorSet.GetGrayval(_BlueChannel, (HTuple)positionY, (HTuple)positionX, out grayValBlue);
_RedChannel.Dispose();
_GreenChannel.Dispose();
_BlueChannel.Dispose();
str_value = String.Format("Val: ({0:000.0}, {1:000.0}, {2:000.0})", (double)grayValRed, (double)grayValGreen, (double)grayValBlue);//显示3个通道的灰度值
}
else
{
str_value = "";
}
}
StatusMessage.Text = str_position + " " + str_value;
}
switch (button_state)
{
case 0:
this.Cursor = System.Windows.Forms.Cursors.Default; //显示鼠标类型为手型
break;
case 1:
this.Cursor = System.Windows.Forms.Cursors.Hand; //显示鼠标类型为手型
_halconWindow1.ClearWindow(); //清空窗体类容
_halconWindow1.SetPaint(new HTuple("default")); //设置显示默认
// 保持图像显示比例
zoom_beginRow -= (int)(positionY - _start_positionY);
zoom_beginCol -= (int)(positionX - _start_positionX);
zoom_endRow -= (int)(positionY - _start_positionY);
zoom_endCol -= (int)(positionX - _start_positionX);
_halconWindow1.SetPart(zoom_beginRow, zoom_beginCol, zoom_endRow, zoom_endCol);
_halconWindow1.DispObj(Ho_Image); //显示图片
break;
}
}
catch (Exception ex)
{
StatusMessage.Text = ex.Message;
}
}
}
