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在 C (Objective-C) 中使用 ABBYY FineReader Engine

本节内容说明如何在 C (Objective-C) 中下载和卸载 ABBYY FineReader Engine。

  1. 导入 FREngine.h 标头文件时包括该代码:
/* C */
#define __RPC__deref_out
#include <FREngine.h>
/* Objective-C */
#define interface _COM_interface
#define __RPC__deref_out
#import <FREngine.h>
#undef interface
  1. 使用以下代码下载和卸载 FREngine.dll:
typedef HRESULT (*initializeEngine_ptr) (BSTR, BSTR, BSTR, BSTR, BSTR, VARIANT_BOOL, IEngine **);
typedef HRESULT (*DeinitializeEngine_ptr) (void);
static IEngine* FREngine;
static HMODULE FREngineDll;
int main(int argc, char *argv[]) {
 initializeEngine InitializeEngine=NULL;
 DeinitializeEngine_ptr DeinitializeEngine=NULL;
// 在此提供您的客户项目 ID 和在线许可证(如有)信息
wchar_t *customerProjectId = L"";
wchar_t *licensePath = L"";
wchar_t *licensePassword = L"";
 FREngineDll = LoadLibraryEx("<FREngine.dll 的路径>", 0, LOAD_WITH_ALTERED_SEARCH_PATH);
 if(FREngineDll) {
  InitializeEngine = (InitializeEngine_ptr) GetProcAddress(FREngineDll,"InitializeEngine");
   InitializeEngine(customerProjectId, licensePath, licensePassword, "", "", FALSE, &FREngine);
 IEngine_Release( FREngine );
 DeinitializeEngine = (DeinitializeEngine_ptr) GetProcAddress(FREngineDll,"DeinitializeEngine");
  1. 对 ABBYY FineReader Engine 的所有其它调用都可以使用在 FREngine.h 标头文件中定义的 C 宏指令。
void ProcessImage()
 IFRDocument* frDocument = NULL;
 IEngine_CreateFRDocument( FREngine, &frDocument );
 IFRDocument_AddImageFile( frDocument, L"<源图像的路径>", NULL, NULL );
 IFRDocument_Process( frDocument, NULL, NULL, NULL );
 IFRDocument_Export( frDocument, L"<输出文件的路径>", FEF_PDF, NULL );
 IFRDocument_Release( frDocument );



24.03.2023 8:51:52

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