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feature: document template QR Code image extensions

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This commit is contained in:
Gary Sharp
2023-10-12 15:51:33 +11:00
parent 7353405b16
commit a3fb09440d
17 changed files with 299 additions and 65 deletions
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Disco.Services/Documents/AttachmentImport/ImportPage.cs
+31 -7
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@@ -113,18 +113,42 @@ namespace Disco.Services.Documents.AttachmentImport
{
var qrReader = new QRCodeMultiReader();
var qrReaderHints = new Dictionary<DecodeHintType, object>() {
{ DecodeHintType.TRY_HARDER, true }
};
var qrImageSource = new BitmapLuminanceSource((Bitmap)Image);
var qrBinarizer = new HybridBinarizer(qrImageSource);
var qrBinaryBitmap = new BinaryBitmap(qrBinarizer);
Result DetectDocumentUniqueIdentifier(BinaryBitmap bitmap)
{
var qrReaderHints = new Dictionary<DecodeHintType, object>() {
{ DecodeHintType.TRY_HARDER, true }
};
var qrCodeResults = qrReader.decodeMultiple(bitmap, qrReaderHints);
if (qrCodeResults != null && qrCodeResults.Length > 0)
{
if (qrCodeResults.Length > 1)
{
// multiple qr codes on page, test for byte-mark
foreach (var qr in qrCodeResults)
{
if (qr.ResultMetadata.TryGetValue(ResultMetadataType.BYTE_SEGMENTS, out var byteSegments))
{
var qrBytes = ((List<byte[]>)byteSegments)[0];
if (DocumentUniqueIdentifier.IsDocumentUniqueIdentifier(qrBytes))
return qr;
}
}
}
return qrCodeResults[0];
}
return null;
}
try
{
qrCodeResult = qrReader.decodeMultiple(qrBinaryBitmap, qrReaderHints)?.FirstOrDefault();
qrCodeResult = DetectDocumentUniqueIdentifier(qrBinaryBitmap);
qrCodeResultScale = 1F;
}
catch (ReaderException)
@@ -148,7 +172,7 @@ namespace Disco.Services.Documents.AttachmentImport
try
{
qrCodeResult = qrReader.decodeMultiple(qrBinaryBitmap, qrReaderHints)?.FirstOrDefault();
qrCodeResult = DetectDocumentUniqueIdentifier(qrBinaryBitmap);
qrCodeResultScale = 1.75F;
}
catch (ReaderException)
@@ -171,7 +195,7 @@ namespace Disco.Services.Documents.AttachmentImport
try
{
qrCodeResult = qrReader.decodeMultiple(qrBinaryBitmap, qrReaderHints)?.FirstOrDefault();
qrCodeResult = DetectDocumentUniqueIdentifier(qrBinaryBitmap);
qrCodeResultScale = 2F;
}
catch (ReaderException)