Set Barcode Source
There are three ways to set the barcode recognition source: from an image file, a bitmap, or a stream. The following five raster image formats are supported: PNG, JPEG, BMP, TIFF, or GIF. Three options to set the barcode reading source are explained further.
Read Barcodes from Files
First of all, barcodes can be scanned and recognized from image files. The full or relative path to the source needs to be specified in the BarCodeReader constructor. Alternatively, the set_bar_code_image method can be used to pass the path to the existing object of class BarCodeReader.
Read Barcodes from Bitmap Objects
It is possible to use a graphical object or a bitmap as a source for barcode reading. Bitmap objects allow working with images consisting of pixel data. To read barcodes from a bitmap, the created bitmap object needs to be passed to the BarCodeReader() constructor or the set_bar_code_image method.
Read Barcodes from Streams
In Aspose.BarCode for Python via .NET, a stream (in a binary format) can be also used as a source for barcode recognition. This option can be useful in some situations owing to its versatility and accessibility without file systems. A stream to read barcodes from needs to be passed to the BarCodeReader() constructor or the set_bar_code_image method.