private void btnRecognize_Click(object sender, EventArgs e)
{
var ds = new DownSample(_entryImage);
_downsampled = ds.PerformDownSample(DownsampleWidth, DownsampleHeight);
sample.Invalidate();
int sampleSize = DownsampleHeight * DownsampleWidth;
char bestChar = '?';
double bestDistance = double.MaxValue;
foreach (char ch in _letterData.Keys)
{
double[] data = _letterData[ch];
double dist = _distCalc.Calculate(data, _downsampled);
if (dist < bestDistance)
{
bestDistance = dist;
bestChar = ch;
}
}
MessageBox.Show(@"That might be " + bestChar, @"Recognize");
ClearEntry();
}
private void btnSample_Click(object sender, EventArgs e)
{
var ds = new DownSample(_entryImage);
_downsampled = ds.PerformDownSample(DownsampleWidth, DownsampleHeight);
sample.Invalidate();
}
public void ClearEntry()
{
Brush whiteBrush = new SolidBrush(Color.White);
_entryGraphics.FillRectangle(whiteBrush, 0, 0, entry.Width, entry.Height);
entry.Invalidate();
var ds = new DownSample(_entryImage);
_downsampled = ds.PerformDownSample(DownsampleWidth, DownsampleHeight);
sample.Invalidate();
}
public void ClearEntry()
{
Brush whiteBrush = new SolidBrush(Color.White);
_entryGraphics.FillRectangle(whiteBrush, 0, 0, entry.Width, entry.Height);
entry.Invalidate();
var ds = new DownSample(_entryImage);
_downsampled = ds.PerformDownSample(DownsampleWidth, DownsampleHeight);
sample.Invalidate();
}
private void btnAdd_Click(object sender, EventArgs e)
{
var ds = new DownSample(_entryImage);
_downsampled = ds.PerformDownSample(DownsampleWidth, DownsampleHeight);
sample.Invalidate();
const string prompt = "What letter did you just draw.";
const string title = "Input Required";
const string Default = "";
Int32 xPos = ((SystemInformation.WorkingArea.Width / 2) - 200);
Int32 yPos = ((SystemInformation.WorkingArea.Height / 2) - 100);
bool valid = false;
foreach (double t in _downsampled)
{
if (t > 0.1)
{
valid = true;
}
}
if (!valid)
{
MessageBox.Show(@"Please draw a letter before adding it.");
return;
}
String result = Interaction.InputBox(prompt, title, Default, xPos, yPos);
if (result != null)
{
result = result.ToUpper();
if (result.Length == 0)
{
MessageBox.Show(@"Please enter a character.");
}
else if (result.Length > 1)
{
MessageBox.Show(@"Please enter only a single character.");
}
else if (_letterData.ContainsKey(result[0]))
{
MessageBox.Show(@"That letter is already defined, please delete first.");
}
else
{
letters.Items.Add(result);
_letterData.Add(result[0], _downsampled);
ClearEntry();
}
}
}
private void btnAdd_Click(object sender, EventArgs e)
{
var ds = new DownSample(_entryImage);
_downsampled = ds.PerformDownSample(DownsampleWidth, DownsampleHeight);
sample.Invalidate();
const string prompt = "What letter did you just draw.";
const string title = "Input Required";
const string Default = "";
Int32 xPos = ((SystemInformation.WorkingArea.Width/2) - 200);
Int32 yPos = ((SystemInformation.WorkingArea.Height/2) - 100);
bool valid = false;
foreach (double t in _downsampled)
{
if (t>0.1)
{
valid = true;
}
}
if (!valid)
{
MessageBox.Show(@"Please draw a letter before adding it.");
return;
}
String result = Interaction.InputBox(prompt, title, Default, xPos, yPos);
if (result != null)
{
result = result.ToUpper();
if (result.Length == 0)
{
MessageBox.Show(@"Please enter a character.");
}
else if (result.Length > 1)
{
MessageBox.Show(@"Please enter only a single character.");
}
else if (_letterData.ContainsKey(result[0]))
{
MessageBox.Show(@"That letter is already defined, please delete first.");
}
else
{
letters.Items.Add(result);
_letterData.Add(result[0], _downsampled);
ClearEntry();
}
}
}
private void btnSample_Click(object sender, EventArgs e)
{
var ds = new DownSample(_entryImage);
_downsampled = ds.PerformDownSample(DownsampleWidth, DownsampleHeight);
sample.Invalidate();
}
private void btnRecognize_Click(object sender, EventArgs e)
{
var ds = new DownSample(_entryImage);
_downsampled = ds.PerformDownSample(DownsampleWidth, DownsampleHeight);
sample.Invalidate();
int sampleSize = DownsampleHeight*DownsampleWidth;
char bestChar = '?';
double bestDistance = double.MaxValue;
foreach (char ch in _letterData.Keys)
{
double[] data = _letterData[ch];
double dist = _distCalc.Calculate(data, _downsampled);
if (dist < bestDistance)
{
bestDistance = dist;
bestChar = ch;
}
}
MessageBox.Show(@"That might be " + bestChar, @"Recognize");
ClearEntry();
}
