Method loadImageAsync

src/eepp/ui/tools/uiimageviewer.cpp:100–208

}

void UIImageViewer::loadImageAsync( std::string_view path, bool isContents, bool loadGallery ) {
	if ( !getUISceneNode()->hasThreadPool() )
		return;
	mLoader->setVisible( true );
	std::string ipath( path );

	mLoading++;

	getUISceneNode()->getThreadPool()->run( [path = std::move( ipath ), this, isContents,
											 loadGallery] {
		ScopedOp op( [] {}, [this] { mLoading--; } );

		auto folder( FileSystem::fileRemoveFileName( path ) );
		FileSystem::dirAddSlashAtEnd( folder );
		mHasGallery = false;
		if ( loadGallery && !isContents ) {
			Lock l( mGalleryMutex );
			bool sameFolder = folder == mGalleryPath;
			bool newFolder = false;
			if ( !sameFolder && FileSystem::isDirectory( folder ) ) {
				mHasGallery = true;
				newFolder = true;
				mGalleryPath = folder;
				mGalleryFiles =
					FileSystem::filesGetInPath( mGalleryPath, true, true, false, [this] {
						return mGalleryLoaderShouldAbort.load();
					} );
				std::erase_if( mGalleryFiles, []( const std::string& filename ) {
					return !Image::isImageExtension( filename );
				} );
			} else if ( sameFolder ) {
				mHasGallery = true;
			}

			if ( sameFolder || newFolder ) {
				auto fileName( FileSystem::fileNameFromPath( path ) );
				auto it = std::find( mGalleryFiles.begin(), mGalleryFiles.end(), fileName );
				if ( it != mGalleryFiles.end() ) {
					mGalleryImageIndex = std::distance( mGalleryFiles.begin(), it );
				} else {
					mGalleryImageIndex = 0;
				}
			}
		} else {
			Lock l( mGalleryMutex );
			mGalleryPath = folder;
			mGalleryFiles = { FileSystem::fileNameFromPath( path ) };
			mGalleryImageIndex = 0;
		}

		Image::Format format =
			isContents ? Image::getFormat( reinterpret_cast<const unsigned char*>( path.c_str() ),
										   path.size() )
					   : Image::getFormat( path );

		if ( format == Image::Format::Unknown )
			return;