Exemplo n.º 1
0
        /// <summary>
        /// Builds a new SaveFileDialog instance for saving something as an image file
        /// </summary>
        /// <returns></returns>
        public SaveFileDialog Build()
        {
            var imageFormatEnumParser = new ImageFormatEnumParser();
            var enumFields = imageFormatEnumParser.Parse();

            var defaultFormat = enumFields
                .Where(ef => ef.Extensions.Contains(".png"))
                .Select((ef, idx) => new { Field = ef, Position = idx })
                .First();

            return new SaveFileDialog
            {
                AddExtension = true,
                DefaultExt = ".png",
                Filter = BuildFilterString(enumFields),
                FilterIndex = defaultFormat.Position,
                OverwritePrompt = true
            };
        }
        /// <summary>
        /// Converts a dot file to an image file, using the file extension of the <i>outputFilePath</i>
        /// parameter to determine the file format to use
        /// </summary>
        /// <param name="dotFilePath">The path to the dot file to convert</param>
        /// <param name="outputFilePath">The file path of where to save the image</param>
        /// <returns>A task representing the async operation</returns>
        public Task ConvertAsync(string dotFilePath, string outputFilePath)
        {
            var fileinfo = new FileInfo(outputFilePath);
            var imageFormatEnumParser = new ImageFormatEnumParser();

            var imageFormat = imageFormatEnumParser.Parse()
                .Where(ef => ef.Extensions.Contains(fileinfo.Extension))
                .Select(ef => ef.Field.Name)
                .First();

            return ConvertAsync(dotFilePath, outputFilePath, (ImageFormat)Enum.Parse(typeof(ImageFormat), imageFormat));
        }