Method is_opened

rustcv-camera/src/videocapture.rs:78–81

Check if the camera is successfully opened. 检查摄像头是否已成功打开。

(&self)

    /// Check if the camera is successfully opened.
    /// 检查摄像头是否已成功打开。
    pub fn is_opened(&self) -> bool {
        true // If construction succeeded, it's opened.
             // 如果构造成功，则已打开。
    }

    /// Get the image width.
    /// 获取图像宽度。