private void manualToolStripMenuItem_Click(object sender, EventArgs e)
{
if (img == null) // verify if the image is already opened
{
return;
}
Cursor = Cursors.WaitCursor; // clock cursor
InputBox form = new InputBox("Input treshold (0-255)");
form.ShowDialog();
int threshold = int.Parse(form.ValueTextBox.Text);
if (threshold < 0)
{
threshold = 0;
}
else if (threshold > 255)
{
threshold = 255;
}
//copy Undo Image
imgUndo = img.Copy();
ImageClass.ConvertToBW(img, threshold);
ImageViewer.Image = img.Bitmap;
ImageViewer.Refresh(); // refresh image on the screen
Cursor = Cursors.Default; // normal cursor
}
private void binarizaçãoToolStripMenuItem_Click(object sender, EventArgs e)
{
if (img == null) // verify if the image is already opened
{
return;
}
//copy Undo Image
imgUndo = img.Copy();
Cursor = Cursors.WaitCursor; // clock cursor
InputBox form = new InputBox("Qual o valor de Threshold?");
form.ShowDialog();
//float scaleFactor = (float)Convert.ToDecimal(form.ValueTextBox.Text);
int threshold = int.Parse(form.ValueTextBox.Text);
//apply the zoom
ImageClass.ConvertToBW(img, threshold);
ImageViewer.Image = img.Bitmap;
ImageViewer.Refresh(); // refresh image on the screen
Cursor = Cursors.Default; // normal cursor
}
private void bWToolStripMenuItem_Click(object sender, EventArgs e)
{
if (img == null) // verify if the image is already opened
{
return;
}
Cursor = Cursors.WaitCursor; // clock cursor
//copy Undo Image
imgUndo = img.Copy();
InputBox formbw = new InputBox("Threshold?");
formbw.ShowDialog();
string threshold = formbw.ValueTextBox.Text;
bool success = int.TryParse(threshold, out int i);
if (success && i >= 0 && i <= 255)
{
ImageClass.ConvertToBW(img, i);
ImageViewer.Image = img.Bitmap;
ImageViewer.Refresh(); // refresh image on the screen
Cursor = Cursors.Default; // normal cursor
}
else
{
MessageBox.Show("Value must be an integer from 0 to 255.", "Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error); // for Error
}
}
private void manualBinaryToolStripMenuItem_Click(object sender, EventArgs e)
{
if (img == null) // protege de executar a função sem ainda ter aberto a imagem
{
return;
}
Cursor = Cursors.WaitCursor; // cursor relogio
//copy Undo Image
imgUndo = img.Copy();
InputBox form = new InputBox("Threshold?");
form.ShowDialog();
int threshold = Convert.ToInt32(form.ValueTextBox.Text);
ImageClass.ConvertToBW(img, threshold);
ImageViewer.Refresh(); // atualiza imagem no ecrã
Cursor = Cursors.Default;
}
private void thresholdToolStripMenuItem_Click(object sender, EventArgs e)
{
if (img == null) // verify if the image is already opened
{
return;
}
Cursor = Cursors.WaitCursor; // clock cursor
InputBox form = new InputBox("Threshold");
form.ShowDialog();
int tresh = Convert.ToInt32(form.textBoxBright.Text);
ImageClass.ConvertToBW(img, tresh);
ImageViewer.Image = img.Bitmap;
ImageViewer.Refresh(); // refresh image on the screen
Cursor = Cursors.Default; // normal cursor
}
private void bWOtsuToolStripMenuItem_Click(object sender, EventArgs e)
{
if (img == null) // verify if the image is already opened
{
return;
}
Cursor = Cursors.WaitCursor; // clock cursor
//copy Undo Image
imgUndo = img.Copy();
//ImageClass.ConvertToBW_Otsu(img);
ImageClass.ConvertToBW(img, 50);
ImageClass.Negative(img);
ImageViewer.Image = img.Bitmap;
ImageViewer.Refresh(); // refresh image on the screen
Cursor = Cursors.Default; // normal cursor
}
private void GrayBinManToolStripMenuItem_Click(object sender, EventArgs e)
{
if (img == null) // verify if the image is already opened
{
return;
}
Cursor = Cursors.WaitCursor; // clock cursor
InputBox input = new InputBox("Threshold:");
input.ShowDialog();
int threshold = Convert.ToInt32(input.ValueTextBox.Text);
imgUndo = img.Copy();
ImageClass.ConvertToBW(img, threshold);
ImageViewer.Image = img.Bitmap;
ImageViewer.Refresh(); // refresh image on the screen
Cursor = Cursors.Default; // normal cursor
}
private void BlackAndWhiteToolStripMenuItem_Click(object sender, EventArgs e)
{
if (img == null) // verify if the image is already opened
{
return;
}
Cursor = Cursors.WaitCursor; // clock cursor
//input boxes
InputBox form = new InputBox("threshold?");
form.ShowDialog();
int threshold = Convert.ToInt32(form.ValueTextBox.Text);
//copy Undo Image
imgUndo = img.Copy();
ImageClass.ConvertToBW(img, threshold);
ImageViewer.Image = img.Bitmap;
ImageViewer.Refresh(); // refresh image on the screen
Cursor = Cursors.Default; // normal cursor
}
