点阵完成，加入opencv

src/globalhelper.h

@@ -0,0 +1,49 @@
+//
+// Created by Lenn on 2026/1/20.
+//
+
+#ifndef TACTILEIPC3D_GLOBALHELPER_H
+#define TACTILEIPC3D_GLOBALHELPER_H
+
+#include <opencv2/core.hpp>
+#include <opencv2/imgproc.hpp>
+
+class GlobalHelper {
+public:
+    const std::string fuck = "fuck you lsp!!!";
+    static GlobalHelper* Instance() {
+        static GlobalHelper ins;
+        return &ins;
+    }
+
+    static void transToMultiMatrix(const cv::Mat& raw_data, float min_threshold,
+        float max_range, cv::Size display_res, cv::Mat& out_image) {
+        CV_Assert(raw_data.type() == CV_32F);
+
+        cv::Mat raw = raw_data.clone();
+        raw.setTo(0.0f, raw < min_threshold);
+
+        double maxVal = 0.0;
+        cv::minMaxLoc(raw, nullptr, &maxVal);
+        if (maxVal > 0.0) {
+            cv::GaussianBlur(raw, raw, cv::Size(3, 3), 0.8, 0.8, cv::BORDER_DEFAULT);
+        }
+
+        cv::Mat norm_data = raw / max_range;
+        cv::min(norm_data, 1.0f, norm_data);
+        cv::max(norm_data, 0.0f, norm_data);
+
+        cv::pow(norm_data, 0.7, norm_data);
+
+        cv::Mat smoothed;
+        cv::resize(norm_data, smoothed, display_res, 0.0, 0.0, cv::INTER_CUBIC);
+
+        cv::GaussianBlur(smoothed, smoothed, cv::Size(31, 31), 0.0, 0.0, cv::BORDER_DEFAULT);
+
+        cv::transpose(smoothed, out_image);
+    }
+private:
+    GlobalHelper() {}
+};
+
+#endif //TACTILEIPC3D_GLOBALHELPER_H