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Aspose.BarCode for Python via Java 25.8
All Changes
Key | Summary | Category |
---|---|---|
BARCODENET-39204 | Allow generating text in PDF as paths as in SVG (optional) | Enhancement |
BARCODENET-39244 | Return tests after Aspose.Drawing bug will be fixed | Quality issue |
BARCODENET-39311 | Unable to recognize Code39 barcode | Bug |
BARCODENET-39321 | Improve MBaseProcessor recognition performance on mobile devices | Enhancement |
BARCODENET-39347 | Improve Interleaved2of5 recognition performance on mobile devices | Enhancement |
BARCODENET-39349 | Refine list of MostCommonTypes and set as default | Enhancement |
BARCODENET-39351 | Barcode recognition performance slowdown between 23.9 and 25.5 | Quality issue |
Public API changes and backwards compatibility
PDF file format
Added ability to save text as a graphic path when exporting to PDF format. This allows barcode text to be rendered as vector shapes, which improves compatibility with systems that do not embed fonts.
generator = Generation.BarcodeGenerator(Generation.EncodeTypes.QR, "Aspose")
generator.getParameters().getImage().getPdf().setTextAsPath(True)
generator.getParameters().getBarcode().getCodeTextParameters().setLocation(Generation.CodeLocation.BELOW)
generator.getParameters().getBarcode().getCodeTextParameters().setColor(ImageColor.getrgb("green"))
generator.save(os.path.join(self.__class__.folder, "barcode-python.pdf"), Generation.BarCodeImageFormat.PDF)
Code39 recognition quality
Recognition quality for Code39 barcodes has been enhanced, especially on low-quality or degraded images.
reader = Recognition.BarCodeReader(os.path.join(self.__class__.folder, "code39.png"),None,Recognition.DecodeType.CODE_39_FULL_ASCII)
for result in reader.readBarCodes():
print("CodeType: " + result.getCodeTypeName())
print("CodeText: " + result.getCodeText(None))
Default recognition types for BarCodeReader
The default recognition types for BarCodeReader have been updated from DecodeType.AllSupportedTypes to DecodeType.MostCommonTypes. This change improves performance for typical recognition scenarios by reducing the number of barcode types scanned by default.
# Explicitly use MostCommonTypes
reader = Recognition.BarCodeReader(os.path.join(self.__class__.folder, "barcode.png"),None,Recognition.DecodeType.MOST_COMMON_TYPES)
for result in reader.readBarCodes():
print("CodeType: " + result.getCodeTypeName())
print("CodeText: " + result.getCodeText(None))
# Fallback to AllSupportedTypes (slower scan)
reader = Recognition.BarCodeReader(os.path.join(self.__class__.folder, "barcode.png"),None,Recognition.DecodeType.ALL_SUPPORTED_TYPES)
for result in reader.readBarCodes():
print("CodeType: " + result.getCodeTypeName())
print("CodeText: " + result.getCodeText(None))
1D barcodes recognition speed
Recognition speed for most 1D barcode types has been increased when working with high-quality images. This enhancement is especially beneficial for barcode recognition from web pages or generated images, where input quality is typically high and distortion minimal.
# Generate a high-quality 1D barcode
gen = Generation.BarcodeGenerator(Generation.EncodeTypes.CODE_128, "Aspose")
gen.getParameters().getBarcode().getXDimension().setPixels(2)
gen.getParameters().getBarcode().getBarHeight().setPixels(150)
gen.save(ReleaseNotes.folder + "barcode_code_128.png", Generation.BarCodeImageFormat.PNG)
reader = Recognition.BarCodeReader(
os.path.join(self.__class__.folder, "barcode_code_128.png"),
None,
[
Recognition.DecodeType.CODE_11,
Recognition.DecodeType.IATA_2_OF_5,
Recognition.DecodeType.EAN_13,
Recognition.DecodeType.EAN_8,
Recognition.DecodeType.INTERLEAVED_2_OF_5,
Recognition.DecodeType.STANDARD_2_OF_5,
Recognition.DecodeType.UPCA,
Recognition.DecodeType.DATA_LOGIC_2_OF_5,
Recognition.DecodeType.DATABAR_OMNI_DIRECTIONAL,
Recognition.DecodeType.DATABAR_EXPANDED,
Recognition.DecodeType.CODE_128,
Recognition.DecodeType.CODE_93,
Recognition.DecodeType.MATRIX_2_OF_5,
Recognition.DecodeType.UPCE,
Recognition.DecodeType.DATABAR_LIMITED,
Recognition.DecodeType.CODE_39,
Recognition.DecodeType.MSI
]
)
for result in reader.readBarCodes():
print("CodeType: " + result.getCodeTypeName())
print("CodeText: " + result.getCodeText(None))