private void GenQR(string ssconfig)
{
string qrText = ssconfig;
QRCode4CS.Options options = new QRCode4CS.Options();
options.Text = qrText;
QRCode4CS.QRCode qrCoded = null;
bool success = false;
foreach (var level in new QRErrorCorrectLevel[] { QRErrorCorrectLevel.H, QRErrorCorrectLevel.Q, QRErrorCorrectLevel.M, QRErrorCorrectLevel.L })
{
for (int i = 3; i < 10; i++)
{
try
{
options.TypeNumber = i;
options.CorrectLevel = level;
qrCoded = new QRCode4CS.QRCode(options);
qrCoded.Make();
success = true;
break;
}
catch
{
qrCoded = null;
continue;
}
}
if (success)
{
break;
}
}
if (qrCoded == null)
{
return;
}
int blockSize = Math.Max(200 / qrCoded.GetModuleCount(), 1);
Bitmap drawArea = new Bitmap((qrCoded.GetModuleCount() * blockSize), (qrCoded.GetModuleCount() * blockSize));
using (Graphics g = Graphics.FromImage(drawArea))
{
g.Clear(Color.White);
using (Brush b = new SolidBrush(Color.Black))
{
for (int row = 0; row < qrCoded.GetModuleCount(); row++)
{
for (int col = 0; col < qrCoded.GetModuleCount(); col++)
{
if (qrCoded.IsDark(row, col))
{
g.FillRectangle(b, blockSize * row, blockSize * col, blockSize, blockSize);
}
}
}
}
}
pictureBox1.Image = drawArea;
}
private void GenQR(string ssconfig)
{
string qrText = ssconfig;
QRCode4CS.Options options = new QRCode4CS.Options();
options.Text = qrText;
QRCode4CS.QRCode qrCoded = null;
bool success = false;
foreach (var level in new QRErrorCorrectLevel[]{QRErrorCorrectLevel.H, QRErrorCorrectLevel.Q, QRErrorCorrectLevel.M, QRErrorCorrectLevel.L})
{
for (int i = 3; i < 10; i++)
{
try
{
options.TypeNumber = i;
options.CorrectLevel = level;
qrCoded = new QRCode4CS.QRCode(options);
qrCoded.Make();
success = true;
break;
}
catch
{
qrCoded = null;
continue;
}
}
if (success)
break;
}
if (qrCoded == null)
{
return;
}
int blockSize = Math.Max(200 / qrCoded.GetModuleCount(), 1);
Bitmap drawArea = new Bitmap((qrCoded.GetModuleCount() * blockSize), (qrCoded.GetModuleCount() * blockSize));
using (Graphics g = Graphics.FromImage(drawArea))
{
g.Clear(Color.White);
using (Brush b = new SolidBrush(Color.Black))
{
for (int row = 0; row < qrCoded.GetModuleCount(); row++)
{
for (int col = 0; col < qrCoded.GetModuleCount(); col++)
{
if (qrCoded.IsDark(row, col))
{
g.FillRectangle(b, blockSize * row, blockSize * col, blockSize, blockSize);
}
}
}
}
}
pictureBox1.Image = drawArea;
}
public System.Drawing.Image CreateQRCode(string inputString)
{
QRCode4CS.QRCode qrcode = new QRCode4CS.QRCode(new QRCode4CS.Options(inputString));
qrcode.Make();
System.Drawing.Image canvas = new Bitmap(86, 86);
Graphics artist = Graphics.FromImage(canvas);
artist.Clear(Color.White);
for (int row = 0; row < qrcode.GetModuleCount(); row++)
{
for (int col = 0; col < qrcode.GetModuleCount(); col++)
{
bool isDark = qrcode.IsDark(row, col);
if (isDark == true)
{
artist.FillRectangle(Brushes.Black, 2 * row + 10, 2 * col + 10, 2 * row + 15, 2 * col + 15);
}
else
{
artist.FillRectangle(Brushes.White, 2 * row + 10, 2 * col + 10, 2 * row + 15, 2 * col + 15);
}
}
}
artist.FillRectangle(Brushes.White, 0, 76, 86, 86);
artist.FillRectangle(Brushes.White, 76, 0, 86, 86);
using (var ms = new System.IO.MemoryStream()) {
canvas.Save(ms, ImageFormat.Png);
Response.ClearContent();
Response.Clear();
Response.Buffer = true;
ms.WriteTo(Response.OutputStream);
Response.ContentType = "image/png";
Response.Flush();
}
artist.Dispose();
return(canvas);
}
internal static double GetLostPoint(QRCode qrCode)
{
int moduleCount = qrCode.GetModuleCount();
double lostPoint = 0;
for (int row = 0; row < moduleCount; row++)
{
for (int col = 0; col < moduleCount; col++)
{
var sameCount = 0;
var dark = qrCode.IsDark(row, col);
for (var r = -1; r <= 1; r++)
{
if (row + r < 0 || moduleCount <= row + r)
{
continue;
}
for (var c = -1; c <= 1; c++)
{
if (col + c < 0 || moduleCount <= col + c)
{
continue;
}
if (r == 0 && c == 0)
{
continue;
}
if (dark == qrCode.IsDark((int)((int)row + r), (int)((int)col + c)))
{
sameCount++;
}
}
}
if (sameCount > 5)
{
lostPoint += (int)(3 + sameCount - 5);
}
}
}
// LEVEL2
for (int row = 0; row < moduleCount - 1; row++)
{
for (int col = 0; col < moduleCount - 1; col++)
{
var count = 0;
if (qrCode.IsDark(row, col))
{
count++;
}
if (qrCode.IsDark(row + 1, col))
{
count++;
}
if (qrCode.IsDark(row, col + 1))
{
count++;
}
if (qrCode.IsDark(row + 1, col + 1))
{
count++;
}
if (count == 0 || count == 4)
{
lostPoint += 3;
}
}
}
// LEVEL3
for (int row = 0; row < moduleCount; row++)
{
for (int col = 0; col < moduleCount - 6; col++)
{
if (qrCode.IsDark(row, col) &&
!qrCode.IsDark(row, col + 1) &&
qrCode.IsDark(row, col + 2) &&
qrCode.IsDark(row, col + 3) &&
qrCode.IsDark(row, col + 4) &&
!qrCode.IsDark(row, col + 5) &&
qrCode.IsDark(row, col + 6))
{
lostPoint += 40;
}
}
}
for (int col = 0; col < moduleCount; col++)
{
for (int row = 0; row < moduleCount - 6; row++)
{
if (qrCode.IsDark(row, col) &&
!qrCode.IsDark(row + 1, col) &&
qrCode.IsDark(row + 2, col) &&
qrCode.IsDark(row + 3, col) &&
qrCode.IsDark(row + 4, col) &&
!qrCode.IsDark(row + 5, col) &&
qrCode.IsDark(row + 6, col))
{
lostPoint += 40;
}
}
}
// LEVEL4
int darkCount = 0;
for (int col = 0; col < moduleCount; col++)
{
for (int row = 0; row < moduleCount; row++)
{
if (qrCode.IsDark(row, col))
{
darkCount++;
}
}
}
double ratio = Math.Abs(100.0 * darkCount / moduleCount / moduleCount - 50) / 5;
lostPoint += ratio * 10;
return(lostPoint);
}
