API/Autodoc/Files/UTextureDownloader.cpp.en.md

---

#include “Serialization/BulkData.h”

using namespace RuStoreSDK;

UTextureDownloader::UTextureDownloader(const FObjectInitializer& ObjectInitializer) : Super(ObjectInitializer) { }

UTextureDownloader* UTextureDownloader::DownloadImage(FString url) { UTextureDownloader* blueprintNode = NewObject(GetTransientPackage()); blueprintNode->Start(url, blueprintNode); return blueprintNode; }

void UTextureDownloader::Start(const FString url, UTextureDownloader* object) { AsyncTask(ENamedThreads::AnyThread, url, object { auto texture2D = object->DownloadImageAsTexture2D(url);

        AsyncTask(ENamedThreads::GameThread, [object, texture2D]()
            {
                if (texture2D != nullptr)
                {
                    object->Complete.Broadcast(texture2D);
                }
                else
                {
                    object->Failure.Broadcast();
                }
            });
    });

}

UTexture2D* UTextureDownloader::DownloadImageAsTexture2D(FString url) { auto javaClass = MakeShared(“com/Plugins/RuStoreCore/RuStoreCoreUtils”); AndroidJavaObject* image = javaClass->CallStaticAJObject(“DownloadImage”, “Lcom/Plugins/RuStoreCore/RuStoreImage;”, url);

int32 srcWidth = image->GetInt("width");
int32 srcHeight = image->GetInt("height");
TArray<uint8>* rawData = image->GetByteArray("bgra");
bool isComplete = image->GetBool("isComplete");

if (!isComplete)
{
    delete rawData;
    delete image;
    return nullptr;
}

UTexture2D* texture2D = UTexture2D::CreateTransient(srcWidth, srcHeight, EPixelFormat::PF_B8G8R8A8);
FByteBulkData* bulkData;

#if UE_VERSION_OLDER_THAN(5, 1, 0) bulkData = &texture2D->PlatformData->Mips[0].BulkData; #else bulkData = &texture2D->GetPlatformData()->Mips[0].BulkData; #endif

void* data = bulkData->Lock(EBulkDataLockFlags::LOCK_READ_WRITE);
FMemory::Memcpy(data, rawData->GetData(), rawData->Num());
bulkData->Unlock();
texture2D->UpdateResource();
texture2D->Filter = TextureFilter::TF_Trilinear;

delete rawData;
delete image;

return texture2D;

}