private static byte[] CreateEmfBytes(string contents, QREncodeMode mode, QRErrorLevel errorLevel)
{
var builder = CreateQrBuilder(contents, mode, errorLevel);
var emfImage = new MemoryStream();
builder.SaveAsEmf(emfImage);
return(emfImage.ToArray());
}
public void CheckRandomCharWithPattern(QRErrorLevel errLevel)
{
Trace.WriteLine(errLevel);
var watch = System.Diagnostics.Stopwatch.StartNew();
int numSuccess = 0;
int numFails = 0;
int sampleFail = 0;
double successRate = 0;
double elapsedMs = 0;
for (int i = 999; i >= 0; i--)
{
string str = "";
try
{
var mandant = FakerRandom.Rand.Next(999);
int anzSeiten = FakerRandom.Rand.Next(99);
var numSeite = FakerRandom.Rand.Next(anzSeiten);
string codGoTyp = Lorem.GetWord();
string codGoNr = Lorem.GetWord();
int codHuelle = FakerRandom.Rand.Next(9999);
str = $"SAMDMS: MANDANT ={mandant}; NUMSEITE = {numSeite}; ANZSEITEN ={anzSeiten}; ABLAGE = (COD_GO_TYP = {codGoTyp}; COD_GO_NR ={codGoNr};COD_HUELLE ={codHuelle})";
var bmp = QrCode.Create(str, errLevel);
bmp.Save("TestRandomCharWithPattern.bmp", ImageFormat.Bmp);
var emf = QrCode.CreateEmf(str, QREncodeMode.Binary, QRErrorLevel.LevelM);
emf.Save("TestRandomCharWithPattern.emf", ImageFormat.Emf);
var result = QrCode.ReadAsString(bmp);
Assert.AreEqual(str, result);
numSuccess++;
}
catch (System.Exception x)
{
numFails++;
if (sampleFail == 0)
{
Trace.WriteLine(message: $"{x.Message} with this Input: \n{str}");
}
sampleFail = 1;
}
}
successRate = System.Math.Round((double)numSuccess / (numSuccess + numFails) * 100, 2);
Trace.WriteLine("Success: " + numSuccess + ", Fail: " + numFails);
Trace.WriteLine("Successrate: " + successRate + "%");
watch.Stop();
elapsedMs = watch.ElapsedMilliseconds / 1000;
Trace.WriteLine("Elapsed Time: " + elapsedMs);
Trace.WriteLine("");
}
/// <summary> Allowed <paramref name="resolution"/> are </summary>
private static Bitmap CreateBitmap(string contents
, int?resolution = null, QREncodeMode mode = DefaultQrEncodeMode
, QRErrorLevel errorLevel = DefaultQrErrorLevel)
{
Bitmap bitmap = CreateBitmapImage(contents, resolution, mode, errorLevel);
return(bitmap);
/*using (var ms = new MemoryStream())
* {
* bitmap.Save(ms, ImageFormat.Png);
* var content = ms.ToArray();
* return CreateImage(content);
* //return new Image(content, "QR.png");
* }*/
}
public static Image CreateEmf(string contents, QREncodeMode mode, QRErrorLevel errorLevel) => CreateImage(CreateEmfBytes(contents, mode, errorLevel));
public static Bitmap Create(string contents, int resolution, QREncodeMode mode, QRErrorLevel errorLevel) => CreateBitmap(contents, resolution, mode, errorLevel);
public static Bitmap Create(string contents, QREncodeMode mode, QRErrorLevel errorLevel) => CreateBitmap(contents, mode: mode, errorLevel: errorLevel);
public static Bitmap Create(string contents, QRErrorLevel errorLevel) => CreateBitmap(contents, errorLevel: errorLevel);
private static BarCodeBuilder CreateQrBuilder(string contents, QREncodeMode mode, QRErrorLevel errorLevel)
{
if (mode == QREncodeMode.Binary)
{
var bytes = Encoding.UTF8.GetBytes(contents);
contents = ISO_8859_1.GetString(bytes);
}
BarCodeBuilder builder = new BarCodeBuilder(contents, Symbology.QR)
{
QRErrorLevel = errorLevel,
QREncodeMode = mode,
EnableEscape = true,
CaptionAbove = new Caption {
Visible = false
},
CaptionBelow = new Caption {
Visible = false
}
};
return(builder);
}
private static Bitmap CreateBitmapImage(string contents, int?resolution, QREncodeMode mode, QRErrorLevel errorLevel)
{
var builder = CreateQrBuilder(contents, mode, errorLevel);
if (resolution.HasValue)
{
return(builder.GetCustomSizeBarCodeImage(new Size(resolution.Value, resolution.Value), false));
}
return(builder.GetOnlyBarCodeImage());
}
