其它技术问题

opencv 关掉双击图像切换到下一张功能

2014-12-19 09:54:29 379 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

ubunfans 墨衍会员 · AI 创作全网分发关注 + 加入社区

基于MFC的OpenCV显示文件夹内图像在MFC界面中使用OpenCV处理图像，我想很多从事阅读详情

使用OpenCV处理多幅图像的时候，在当前show出的图像双击，即可切换的下一行，我想关掉双击这个功能，怎么弄？请大家帮忙

...全文

基于OpenCV与MFC单文档的图像处理软件 [2]图像的显示我们知道，OpenCV可以通过imread()和imshow()函数将读取到的图片显示到windows创建的窗口中，但如果我们要将其显示在MFC应用界面内，还需要做一些别的转换。网上的许多资料都是基于OpenCV的CvvImage类，但新版本的OpenCV中已经取消了该类，当然我们也可以添加该类对应.h和.cpp文件中到自己的工程中，但这里我介绍的是另外一种更为直接的方法：通过OpenCV的Mat... 阅读详情

其它技术问题 3,881 成员 9,044 内容

+ 关注 + 加入社区

评论 3

切换为时间正序

赵4老师 2014-12-22

打赏
举报

回复

WM_LBUTTONDBLCLK The WM_LBUTTONDBLCLK message is posted when the user double-clicks the left mouse button while the cursor is in the client area of a window. If the mouse is not captured, the message is posted to the window beneath the cursor. Otherwise, the message is posted to the window that has captured the mouse. WM_LBUTTONDBLCLK fwKeys = wParam; // key flags xPos = LOWORD(lParam); // horizontal position of cursor yPos = HIWORD(lParam); // vertical position of cursor Parameters fwKeys Value of wParam. Indicates whether various virtual keys are down. This parameter can be any combination of the following values: Value Description MK_CONTROL Set if the ctrl key is down. MK_LBUTTON Set if the left mouse button is down. MK_MBUTTON Set if the middle mouse button is down. MK_RBUTTON Set if the right mouse button is down. MK_SHIFT Set if the shift key is down. xPos Value of the low-order word of lParam. Specifies the x-coordinate of the cursor. The coordinate is relative to the upper-left corner of the client area. yPos Value of the high-order word of lParam. Specifies the y-coordinate of the cursor. The coordinate is relative to the upper-left corner of the client area. Return Values If an application processes this message, it should return zero. Remarks Only windows that have the CS_DBLCLKS style can receive WM_LBUTTONDBLCLK messages, which the system generates whenever the user presses, releases, and again presses the left mouse button within the system's double-click time limit. Double-clicking the left mouse button actually generates four messages: WM_LBUTTONDOWN, WM_LBUTTONUP, WM_LBUTTONDBLCLK, and WM_LBUTTONUP again. An application can use the MAKEPOINTS macro to convert the lParam parameter to a POINTS structure. QuickInfo Windows NT: Requires version 3.1 or later. Windows: Requires Windows 95 or later. Windows CE: Requires version 1.0 or later. Header: Declared in winuser.h. See Also Mouse Input Overview, Mouse Input Messages, GetCapture, GetDoubleClickTime,MAKEPOINTS,POINTS, SetCapture, SetDoubleClickTime, WM_LBUTTONDOWN, WM_LBUTTONUP

ubunfans 2014-12-22

打赏
举报

回复

引用 1 楼 zhao4zhong1 的回复:

拦截鼠标消息？

谢谢，现在就是这样做的。 OpenCV对双击左键的响应居然是先响应一次单击，然后再响应双击。不晓得有没有办法进一步过滤！

赵4老师 2014-12-19

打赏
举报

回复

拦截鼠标消息？