/// <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));
}