private void button5_Click(object sender, EventArgs e)
{
try
{
if (txtDecodeImageLocation.Text.Length > 0)
{
TP_File file = TP_Stenography.DecodeImage((Bitmap)Bitmap.FromFile(txtDecodeImageLocation.Text), txtDecodeKey.Text);
saveFileDialog2.FileName = file.GetFileName();
DialogResult d = saveFileDialog2.ShowDialog();
if (d == DialogResult.OK)
{
file.Save(saveFileDialog2.FileName);
}
MessageBox.Show("File Extracted!", "2pix", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
catch
{
MessageBox.Show("There was an error extracting a file from this image.\nPossbile causes include:\n\n" +
" - Invalid decryption key\n - Image does not contain any hidden files\n - Image was corrupted", "2pix",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void button2_Click(object sender, EventArgs e)
{
try
{
if (txtEncryptKeyAgain.Text != txtEncryptKey.Text)
{
MessageBox.Show("The passwords do not match!", "2pix", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
if (txtEncodeImage.Text.Length > 0 && txtEncodeFile.Text.Length > 0)
{
DialogResult d = saveFileDialog1.ShowDialog();
if (d == DialogResult.OK)
{
// Format the image for encoding
Image originalImage = Bitmap.FromFile(txtEncodeImage.Text);
// See if we need to resize the image
Size scale;
if (cbScaleImage.Checked)
{
scale = GetImageScale();
}
else
{
scale = new Size(originalImage.Width, originalImage.Height);
}
// Get a bitmap of the correct size
Bitmap image = new Bitmap(scale.Width, scale.Height);
Graphics g = Graphics.FromImage(image);
g.DrawImage(originalImage, 0, 0, scale.Width, scale.Height);
// Encode and save
TP_Stenography.EncodeImage(image, new TP_File(txtEncodeFile.Text, txtEncryptKey.Text), ddlQuality.SelectedIndex + 1);
image.Save(saveFileDialog1.FileName, System.Drawing.Imaging.ImageFormat.Bmp);
}
MessageBox.Show("File Saved!", "2pix", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
catch (FileTooLargeForImageException)
{
MessageBox.Show("The image is not large enough to hold that file.", "2pix", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "2pix", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void button1_Click(object sender, EventArgs e)
{
try
{
string fileName = textBox1.Text;
string key = textBox2.Text;
string dest = fileName.Substring(0, fileName.LastIndexOf("\\")) + "\\";
if (File.Exists(fileName))
{
TP_File file = TP_Stenography.DecodeImage((Bitmap)Bitmap.FromFile(fileName), key);
// Get the original file name, but don't overwrite anything
string name = dest + file.GetFileName();
if (File.Exists(name))
{
name = dest + "2pix_" + file.GetFileName();
}
file.Save(name);
}
MessageBox.Show("The file was extracted!", "2pix",
MessageBoxButtons.OK, MessageBoxIcon.Information);
this.Close();
}
catch
{
MessageBox.Show("There was an error extracting a file from this image.\nPossbile causes include:\n\n" +
" - Invalid decryption key\n - Image does not contain any hidden files\n - Image was corrupted", "2pix",
MessageBoxButtons.OK, MessageBoxIcon.Error);
this.Close();
}
}
