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Support UTF8 to UTF16 LE.

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Support Unicode helper
Fix ANSFR to show 2 same faces in 1 image
This commit is contained in:
Tuan Nghia Nguyen
2026-03-31 21:52:47 +11:00
parent 70be68d0fc
commit ccfc5964d4
21 changed files with 379 additions and 104 deletions
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7
modules/ANSFR/ANSFR.cpp
View File

@@ -2161,6 +2161,9 @@ namespace ANSCENTER {
START_TIMER(postprocess);
resultObjects=UpdateFaceAttributes(recognizedFaces, camera_id);
END_TIMER(postprocess, "Update Face Attributes Time");
// Deduplicate: if two faces matched the same userId, keep only the highest confidence
ensureUniqueUserIdWithHighestConfidence(resultObjects);
}
}
catch (const std::exception& e) {
@@ -2405,7 +2408,7 @@ namespace ANSCENTER {
END_TIMER(json_build, "JSON Build Time");
START_TIMER(json_serialize);
std::string result = root.dump(-1, ' ', true);
std::string result = root.dump();
END_TIMER(json_serialize, "JSON Serialize Time");
END_TIMER(json_total, "JSON Conversion Total Time");
@@ -2442,7 +2445,7 @@ namespace ANSCENTER {
root["results"] = detectedObjects;
return root.dump(-1, ' ', true);
return root.dump();
}
// Validation helper methods

2
modules/ANSFR/ANSFR.h
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@@ -352,7 +352,7 @@ extern "C" ANSFR_API int DeleteFacesByUser(ANSCENTER::ANSFacialRecognition *
extern "C" ANSFR_API double BlurCalculation(unsigned char* jpeg_string, unsigned int bufferLength);
// Unicode conversion utilities for LabVIEW wrapper classes
extern "C" ANSFR_API int ANSFR_ConvertUTF8ToUTF16LE(const char* utf8Str, LStrHandle result);
extern "C" ANSFR_API int ANSFR_ConvertUTF8ToUTF16LE(const char* utf8Str, LStrHandle result, int includeBOM = 1);
extern "C" ANSFR_API int ANSFR_ConvertUTF16LEToUTF8(const unsigned char* utf16leBytes, int byteLen, LStrHandle result);
#endif

30
modules/ANSFR/dllmain.cpp
View File

@@ -751,27 +751,20 @@ extern "C" ANSFR_API double BlurCalculation(unsigned char* jpeg_string, un
// Unicode conversion utilities for LabVIEW wrapper classes
extern "C" ANSFR_API int ANSFR_ConvertUTF8ToUTF16LE(const char* utf8Str, LStrHandle result) {
extern "C" ANSFR_API int ANSFR_ConvertUTF8ToUTF16LE(const char* utf8Str, LStrHandle result, int includeBOM) {
try {
if (!utf8Str || !result) return -1;
int len = (int)strlen(utf8Str);
if (len == 0) return 0;
const char bom[2] = { '\xFF', '\xFE' };
bool hasUnicodeEscapes = false;
bool hasNonAscii = false;
for (int i = 0; i < len; i++) {
if ((unsigned char)utf8Str[i] >= 0x80) hasNonAscii = true;
if (i + 1 < len && utf8Str[i] == '\\' && utf8Str[i + 1] == 'u') hasUnicodeEscapes = true;
}
if (!hasNonAscii && !hasUnicodeEscapes) {
MgErr error = DSSetHandleSize(result, sizeof(int32) + len * sizeof(uChar));
if (error != noErr) return -2;
(*result)->cnt = len;
memcpy((*result)->str, utf8Str, len);
return 1;
for (int i = 0; i + 1 < len; i++) {
if (utf8Str[i] == '\\' && utf8Str[i + 1] == 'u') { hasUnicodeEscapes = true; break; }
}
if (hasUnicodeEscapes) {
std::string utf16le;
utf16le.reserve(len * 2);
if (includeBOM) utf16le.assign(bom, 2);
utf16le.reserve(len * 2 + 2);
for (int i = 0; i < len; ) {
if (i + 5 < len && utf8Str[i] == '\\' && utf8Str[i + 1] == 'u') {
char hex[5] = { utf8Str[i + 2], utf8Str[i + 3], utf8Str[i + 4], utf8Str[i + 5], 0 };
@@ -797,11 +790,14 @@ extern "C" ANSFR_API int ANSFR_ConvertUTF8ToUTF16LE(const char* utf8Str, LStrHan
if (wideLen <= 0) return 0;
std::wstring wideStr(wideLen, 0);
MultiByteToWideChar(CP_UTF8, 0, utf8Str, len, &wideStr[0], wideLen);
int size = wideLen * (int)sizeof(wchar_t);
MgErr error = DSSetHandleSize(result, sizeof(int32) + size * sizeof(uChar));
int dataSize = wideLen * (int)sizeof(wchar_t);
int bomSize = includeBOM ? 2 : 0;
int totalSize = bomSize + dataSize;
MgErr error = DSSetHandleSize(result, sizeof(int32) + totalSize * sizeof(uChar));
if (error != noErr) return -2;
(*result)->cnt = size;
memcpy((*result)->str, wideStr.data(), size);
(*result)->cnt = totalSize;
if (includeBOM) memcpy((*result)->str, bom, 2);
memcpy((*result)->str + bomSize, wideStr.data(), dataSize);
return 1;
#else
return 0;