ocr-opencv图像字符识别

#include "OCR_dll.h" #include <Windows.h> #include <stdio.h> #include <io.h> #pragma warning(disable:4996) bool IsFileExists(const char* path) { if (_access(path, 0) > -1) return true; else return false; //if (FILE* file = fopen(path, "r")) { // fclose(file); // return true; //} //else { // return false; //} } HMODULE HMoudule = NULL; bool InitDll() { if (HMoudule == NULL) { if (!IsFileExists(DLL_NAME)) { MessageBox(NULL, L"dll不存在!", L"警告", 0); return false; } HMoudule = LoadLibrary(DLL_NAMEW); } return HMoudule != NULL; } void FreeDll() { if (HMoudule != NULL) { FreeLibrary(HMoudule); } } typedef int (*IsCPUSupport_func)(); IsCPUSupport_func IsCPUSupport_; // -1:函数加载失败,0：不支持，1：AVX，2：AVX2 int IsCPUSupport() { if (!InitDll()) return -1; if (IsCPUSupport_ == NULL) IsCPUSupport_ = (IsCPUSupport_func)GetProcAddress(HMoudule, "IsCPUSupport"); int nRet = IsCPUSupport_(); return nRet; } typedef void* (*Initialize_func)(const char*, const char*, const char*, const char*, OCRParameter&); Initialize_func Initialize_; HANDLE Initialize(const char* det_infer, const char* cls_infer, const char* rec_infer, const char* keys, OCRParameter& paramter) { if (!InitDll()) return nullptr; if (Initialize_ == NULL) Initialize_ = (Initialize_func)GetProcAddress(HMoudule, "Initialize"); HANDLE nRet = Initialize_(det_infer, cls_infer, rec_infer, keys, paramter); return nRet; } typedef int (*FreeEngine_func)(HANDLE); FreeEngine_func FreeEngine_; int FreeEngine(HANDLE engine) { if (!InitDll()) return -1; if (FreeEngine_ == NULL) FreeEngine_ = (FreeEngine_func)GetProcAddress(HMoudule, "FreeEngine"); int nRet = FreeEngine_(engine); return nRet; } typedef int(*DetectByte_func)(HANDLE,const char*, size_t, void*); DetectByte_func DetectByte_; int DetectByte(HANDLE engine, const char* imagedata, size_t size, void* result) { if (!InitDll()) return -1; if (DetectByte_ == NULL) DetectByte_ = (DetectByte_func)GetProcAddress(HMoudule, "DetectByte"); int nRet = DetectByte_(engine, imagedata, size, result); return nRet; } typedef int(*Detect_func)(HANDLE, const char*, void*); Detect_func Detect_; int Detect(HANDLE engine, const char* imagefile, void* result) { if (!InitDll()) return -1; if (Detect_ == NULL) Detect_ = (Detect_func)GetProcAddress(HMoudule, "Detect"); int nRet = Detect_(engine, imagefile, result); return nRet; } typedef int (*FreeDetectResult_func)(HANDLE); FreeDetectResult_func FreeDetectResult_; int FreeDetectResult(HANDLE result) { if (!InitDll()) return -1; if (FreeDetectResult_ == NULL) FreeDetectResult_ = (FreeDetectResult_func)GetProcAddress(HMoudule, "FreeDetectResult"); int nRet = FreeDetectResult_(result); return nRet; }