Bloom.ImageProcessing.ImageUtils.GetFileNameToUseForSavingImage C# (CSharp) Method

        private static string GetFileNameToUseForSavingImage(string bookFolderPath, PalasoImage imageInfo, bool isJpeg)
        {
            var extension = isJpeg ? ".jpg" : ".png";
            // Some images, like from a scanner or camera, won't have a name yet.  Some will need a number
            // in order to differentiate from what is already there. We don't try and be smart somehow and
            // know when to just replace the existing one with the same name... some other process will have
            // to remove unused images.
            string basename;
            if (string.IsNullOrEmpty(imageInfo.FileName) || imageInfo.FileName.StartsWith("tmp"))
            {
                basename = "image";
            }
            else
            {
                // Even pictures that aren't obviously unnamed or temporary may have the same name.
                // See https://silbloom.myjetbrains.com/youtrack/issue/BL-2627 ("Weird Image Problem").
                basename = Path.GetFileNameWithoutExtension(imageInfo.FileName);
            }
            var i = 0;
            var suffix = "";
            while (RobustFile.Exists(Path.Combine(bookFolderPath, basename + suffix + extension)))
            {
                ++i;
                suffix = i.ToString(CultureInfo.InvariantCulture);
            }
            return basename + suffix + extension;
        }