以jpg圖片為例

UTexture2D* CreateTextureFromFile(const FString& InFileName)
{
	IImageWrapperModule& ImageWrapperModule = FModuleManager::LoadModuleChecked(FName("ImageWrapper"));
	IImageWrapperPtr JpegImageWrapper = ImageWrapperModule.CreateImageWrapper(EImageFormat::JPEG);
	TArray ImgData;
	if (!FFileHelper::LoadFileToArray(ImgData, *InFileName)) return nullptr;
	if (JpegImageWrapper->SetCompressed(ImgData.GetData(), ImgData.Num()))
	{
		const TArray* RawData = nullptr;
		JpegImageWrapper->GetRaw(ERGBFormat::BGRA, 8, RawData);
		int32 Width = JpegImageWrapper->GetWidth();
		int32 Height = JpegImageWrapper->GetHeight();
		UTexture2D* Texture2D = UTexture2D::CreateTransient(Width, Height, PF_B8G8R8A8);
		void* MipData = Texture2D->PlatformData->Mips[0].BulkData.Lock(LOCK_READ_WRITE);
		FMemory::Memcpy(MipData, RawData->GetData(), RawData->Num());
		Texture2D->PlatformData->Mips[0].BulkData.Unlock();
		Texture2D->UpdateResource();
		return Texture2D;
	}
	return nullptr;
}