Expose barcode search without aspect ratio heuristics to JS

src/lib/jsapi/barcode.cpp

@@ -89,6 +89,15 @@ QString JsApi::Barcode::decodeDataMatrix(const QVariant &img) const
     return {};
 }
 
+QString JsApi::Barcode::decodeAnyBarcode(const QVariant& img) const
+{
+    if (img.userType() == qMetaTypeId<PdfImage>()) {
+        const auto pdfImg = img.value<PdfImage>();
+        return m_decoder->decodeString(pdfImg.image(), BarcodeDecoder::Any | BarcodeDecoder::IgnoreAspectRatio);
+    }
+    return {};
+}
+
 QVariant JsApi::Barcode::decodeUic9183(const QVariant &s) const
 {
     Uic9183Parser p;

src/lib/jsapi/barcode.h

@@ -41,6 +41,12 @@ public:
      *  @param img An image containing the barcode, e.g. a PdfImage instance.
      */
     Q_INVOKABLE QString decodeDataMatrix(const QVariant &img) const;
+    /** Attempts to decode any barcode found in the given image.
+     *  This is the most expensive of the above option, and should only be
+     *  used if no other alternative is available.
+     *  @param img An image containing the barcode, e.g. a PdfImage instance.
+     */
+    Q_INVOKABLE QString decodeAnyBarcode(const QVariant &img) const;
 
     /** Decode an UIC 918.3 message from a train ticket Aztec code.
      *  @param s A QByteArray containing the raw data from the barcode.