/// <summary>
/// 鼠标拖动事件的处理函数
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void MouseMove(object sender, HalconDotNet.HMouseEventArgs e)
{
//响应鼠标左键的动作,右键用于右键快捷菜单,而不响应右键
if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
double deltaX, deltaY, posX, posY;
double zoomZone;
//由鼠标按下到抬起(即前次的状态是按下)
if (!_mousePressed)
{
return;
}
//在ROI管理器非空且ROI是否添加绘制的标记为MODE_INCLUDE_ROI,且有活动ROI
if (_ROICtrller != null &&
_ROIPaintMode == PAINT_MODE_INCLUDE_ROI &&
_ROICtrller.GetActiveROIIdx() != -1)
{
//执行ROI管理器对于鼠标移动的处理，并返回活动ROI的索引(有ROI选中时,无法操作[移动]图像)
_ROICtrller.MouseMoveAction(e.Y, e.X);
}
else if (_viewMode == VIEW_MODE_MOVE)
{
//显示控件的视图状态为MODE_VIEW_MOVE(移动图像)
deltaY = (e.Y - _startRow);
deltaX = (e.X - _startCol);
if ((int)deltaY != 0 || (int)deltaX != 0)
{
//位置发生变化，移动图像
MoveImage(deltaY, deltaX);
}
}
else if (_viewMode == HWndCtrller.VIEW_MODE_MAGNIFY)
{
//显示控件的视图状态为MODE_VIEW_MAGNIFY(在鼠标当前位置创建放大窗口)
if (_zoomWindow != null)
{
HalconDotNet.HSystem.SetSystem("flush_graphic", "false");
_zoomWindow.ClearWindow();
posY = ((e.Y - _imgRow1) / (_imgRow2 - _imgRow1)) * _hWndCtrl.Height;
posX = ((e.X - _imgCol1) / (_imgCol2 - _imgCol1)) * _hWndCtrl.Width;
zoomZone = (_zoomWndSize / 2) * ZoomWndFactor * ZoomAddOn;
_zoomWindow.SetWindowExtents((int)posY - (_zoomWndSize / 2),
(int)posX - (_zoomWndSize / 2),
_zoomWndSize, _zoomWndSize);
_zoomWindow.SetPart((int)(e.Y - zoomZone), (int)(e.X - zoomZone), (int)(e.Y + zoomZone), (int)(e.X + zoomZone));
Repaint(_zoomWindow);
HalconDotNet.HSystem.SetSystem("flush_graphic", "true");
_zoomWindow.DispLine(-100.0, -100.0, -100.0, -100.0);
}
}
}
}
/// <summary>
/// Repaints the HALCON window 'hwnd'
/// </summary>
/// <param name="hwnd"></param>
public void Repaint(HalconDotNet.HWindow hwnd)
{
int count = this._hObjList.Count;
InteractiveROI.HObjectEntry hobjentry;
HalconDotNet.HSystem.SetSystem("flush_graphic", "false"); //不更新图形变量
hwnd.ClearWindow();
this._GC.LastGCSettings.Clear();
//显示图像，应用图形上下文
for (int i = 0; i < count; i++)
{
hobjentry = (InteractiveROI.HObjectEntry) this._hObjList[i];
this._GC.ApplyGraphicSettings(hwnd, hobjentry.GCSettings);
hwnd.DispObj(hobjentry.HObj);
}
this.NotifyInfo("加载图像并应用图形上下文完成");
if ((this._ROICtrller != null) && (this._ROIDispMode == MODE_INCLUDE_ROI))
{
this._ROICtrller.PaintData(hwnd);
}
HalconDotNet.HSystem.SetSystem("flush_graphic", "true"); //更新图形变量
hwnd.SetColor("black");
hwnd.DispLine(-100.0, -100.0, -101.0, -101.0); //不知何用
}
