实现美颜

#include <facebetter/beauty_effect_engine.h>
#include <facebetter/beauty_params.h>
#include <facebetter/image_frame.h>
#include <facebetter/type_defines.h>

using namespace facebetter;
using namespace facebetter::beauty_params;

SetLogConfig → Create(EngineConfig) → 设置效果 → ProcessImage → 渲染

LogConfig log_cfg;
log_cfg.console_enabled = true;
log_cfg.file_enabled = false;
log_cfg.level = LogLevel::Info;
BeautyEffectEngine::SetLogConfig(log_cfg);

EngineConfig cfg;
cfg.app_id = "your_app_id";
cfg.app_key = "your_app_key";
cfg.resource_path = "resource/resource.fbd";  // 指向 .fbd 文件
cfg.external_context = false;                 // SDK 管理 OpenGL 上下文

// 可选：非空时优先
// cfg.license_token = "/* 许可证 token、{token} JSON 或 .lic 内容 */";

std::shared_ptr<BeautyEffectEngine> engine = BeautyEffectEngine::Create(cfg);
if (!engine) {
    // 检查 resource_path、license_token / app_id+app_key 以及日志
    return -1;
}

engine->SetSmoothing(0.5f);
engine->SetSmoothingStyle(SmoothingStyle::Natural);
engine->SetWhitening(0.3f);
engine->SetWhiteningStyle(WhiteningStyle::ColdWhite);
engine->SetSharpening(0.2f);
engine->SetRosiness(0.2f);
engine->SetBeautySkinOnly(true);  // 仅作用于检测到的皮肤

engine->SetReshape(Reshape::FaceThin, 0.4f);
engine->SetReshape(Reshape::EyeSize, 0.3f);
engine->SetReshape(Reshape::Chin, -0.2f);  // 负值为相反方向

engine->AddResourcePack("resource/resource_body.fbd");  // or place it next to resource.fbd
engine->SetBodyReshape(BodyReshape::WaistSlim, 0.4f);
engine->SetBodyReshape(BodyReshape::LegStretch, 0.3f);
engine->SetBodyReshape(BodyReshape::TorsoLong, 0.3f);

engine->SetLipstick(0.6f);
engine->SetLipstickColor(LipstickColor::Rouge);

engine->SetBlush(0.4f);
engine->SetBlushStyle(BlushStyle::SunKissed);
engine->SetBlushColor(BlushColor::CoralPink);

engine->SetContour(0.5f);
engine->SetContourStyle(ContourStyle::Natural);

engine->SetEyeShadow(0.4f);
engine->SetEyeShadowStyle(EyeShadowStyle::Soft);
engine->SetEyeShadowColor(EyeShadowColor::Plum);

engine->SetFilter("assets/filters/natural.fbd");
engine->SetFilterIntensity(0.8f);
engine->ClearFilter();

engine->SetSticker("assets/stickers/face/black_glass.fbd");
engine->ClearSticker();

engine->AddResourcePack("resource/resource_3d.fbd");  // 或与 resource.fbd 同目录
engine->Set3DSticker("assets/stickers/3d/oculos.fbd");
engine->Clear3DSticker();

engine->SetVirtualBackgroundBlur(0.6f);  // [0, 1]；0 清除填充
engine->SetVirtualBackground("assets/background.jpg");
engine->ClearVirtualBackground();

engine->SetChromaKey(ChromaKeyColor::Green);
engine->SetChromaKeySimilarity(0.4f);
engine->SetChromaKeySmoothness(0.1f);
engine->SetChromaKeyDesaturation(0.2f);
engine->ClearChromaKey();  // 回到人像分割蒙版

EngineCallbacks cbs;
cbs.on_engine_event = [](int code, const std::string& message) {
    // 0 授权成功，1 授权失败，100 初始化完成，101 初始化失败
    printf("[event] %d %s\n", code, message.c_str());
};
cbs.on_face_landmarks = [](const std::vector<FaceDetectionResult>& faces) {
    printf("faces=%zu\n", faces.size());
};
engine->SetCallbacks(cbs);

EngineStats stats = engine->GetStats();
printf("fps=%.1f avg=%.2fms session=%.1fs\n",
       stats.fps, stats.avg_process_time_ms, stats.session_time_s);

auto input = ImageFrame::CreateWithRGBA(rgba_data, width, height, stride);
input->type = FrameType::Video;

auto output = engine->ProcessImage(input);
if (output && output->Data()) {
    const uint8_t* p = output->Data();
    int w = output->Width();
    int h = output->Height();
}

auto input = ImageFrame::CreateWithFile("input.jpg");
input->type = FrameType::Image;
auto output = engine->ProcessImage(input);
output->ToFile("output.jpg", 95);

GLuint tex = 0;
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_2D, tex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
             output->Width(), output->Height(),
             0, GL_RGBA, GL_UNSIGNED_BYTE, output->Data());

LogConfig log_cfg;
log_cfg.console_enabled = true;
log_cfg.level = LogLevel::Info;
BeautyEffectEngine::SetLogConfig(log_cfg);

EngineConfig cfg;
cfg.app_id = "your_app_id";
cfg.app_key = "your_app_key";
cfg.resource_path = "resource/resource.fbd";
auto engine = BeautyEffectEngine::Create(cfg);
if (!engine) return -1;

engine->SetSmoothing(0.5f);
engine->SetReshape(Reshape::FaceThin, 0.3f);
engine->SetLipstick(0.5f);
engine->SetLipstickColor(LipstickColor::Rouge);

auto input = ImageFrame::CreateWithRGBA(rgba, width, height, stride);
input->type = FrameType::Video;
auto output = engine->ProcessImage(input);