private async Task <bool> isTextFileTooBig()
{
var textArray = this.HiddenText.StringToBitArray();
var pixels = PictureUtilities.ConvertBytesIntoBitArray(this.SourcePicture);
if (textArray.Length > pixels.Length / ImageConstants.ByteLength * this.BitsPerColorChannel)
{
await this.showMessageCantFitDialog(textArray, pixels);
return(true);
}
return(false);
}
private string extractTextFromBytes()
{
var text = new StringBuilder();
var binaryText = new StringBuilder();
var pixels = PictureUtilities.ConvertBytesIntoBitArray(this.sourcePicture);
for (var i = 0; i < pixels.Length; i++)
{
if (this.getTextFromBits(i, pixels, binaryText, text, out var extractTextFromBytes1))
{
return(extractTextFromBytes1);
}
}
return(text.ToString());
}
private void textEmbedding(string text)
{
text = this.removeNonLettersIfNotEncrypted(text);
text += this.endOfText;
var textArray = text.StringToBitArray();
var textArrayIndex = 0;
var pixels = PictureUtilities.ConvertBytesIntoBitArray(this.sourcePicture);
this.MessageTooLarge = false;
for (var i = 0; i < pixels.Length; i++)
{
if (this.changeBitsPerByte(i, pixels, textArray, ref textArrayIndex))
{
return;
}
}
}