/// <summary>
/// Loads the message.
/// @Precondition none
/// @Postcondition message file is loaded into the program
/// </summary>
public async Task LoadMessage()
{
this.messageFile = await this.fileReader.SelectMessageFile();
if (this.messageFile == null)
{
return;
}
if (this.MessageFileType.Equals(FileTypeConstants.TextFileType))
{
this.messageEmbedder = new TextMessageEmbedder();
this.TextFromFile = await this.fileReader.ReadTextFromFile(this.messageFile);
}
else
{
this.messageEmbedder = new MonochromeImageEmbedder();
this.MessageImage = await FileBitmapConverter.ConvertFileToBitmap(this.messageFile);
}
if (this.SourceImage != null)
{
var sourceImagePixels = await PixelExtracter.ExtractPixelDataFromFile(this.sourceImageFile);
this.messageEmbedder.SourceImagePixels = sourceImagePixels;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="EmbedManager" /> class.
/// </summary>
public EmbedManager()
{
this.fileReader = new FileReader();
this.fileWriter = new FileWriter();
this.messageEmbedder = null;
this.messageFile = null;
}