Decoder
Interfaces, Classes, Traits and Enums
- LuminanceSourceInterface
- Binarizer
- This class implements a local thresholding algorithm, which while slower than the GlobalHistogramBinarizer, is fairly efficient for what it does. It is designed for high frequency images of barcodes with black data on white backgrounds. For this application, it does a much better job than a global blackpoint with severe shadows and gradients.
- BitMatrix
- Decoder
- The main class which implements QR Code decoding -- as opposed to locating and extracting the QR Code from an image.
- DecoderResult
- Encapsulates the result of decoding a matrix of bits. This typically applies to 2D barcode formats. For now it contains the raw bytes obtained, as well as a String interpretation of those bytes, if applicable.
- GDLuminanceSource
- This class is used to help decode images from files which arrive as GD Resource It does not support rotation.
- IMagickLuminanceSource
- This class is used to help decode images from files which arrive as Imagick Resource It does not support rotation.
- LuminanceSourceAbstract
- The purpose of this class hierarchy is to abstract different bitmap implementations across platforms into a standard interface for requesting greyscale luminance values. The interface only provides immutable methods; therefore crop and rotation create copies. This is to ensure that one Reader does not modify the original luminance source and leave it in an unknown state for other Readers in the chain.
- QRCodeDecoderException
- An exception container