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Back to CIQRCodeDescriptorMBS class.
CIQRCodeDescriptorMBS.errorCorrectedPayload as MemoryBlock
Type | Topic | Plugin | Version | macOS | Windows | Linux | iOS | Targets |
property | CoreImage | MBS MacCI Plugin | 17.4 | ✅ Yes | ❌ No | ❌ No | ✅ Yes | All |
QR Codes are formally specified in ISO/IEC 18004:2006(E). Section 6.4.10 "Bitstream to codeword conversion" specifies the set of 8-bit codewords in the symbol immediately prior to splitting the message into blocks and applying error correction.
During decode, error correction is applied and if successful, the message is re-ordered to the state immediately following "Bitstream to codeword coversion." The errorCorrectedPayload corresponds to this sequence of 8-bit codewords.
(Read only property)
CIQRCodeDescriptorMBS.errorCorrectionLevel as Integer
Type | Topic | Plugin | Version | macOS | Windows | Linux | iOS | Targets |
property | CoreImage | MBS MacCI Plugin | 17.4 | ✅ Yes | ❌ No | ❌ No | ✅ Yes | All |
QR Codes support four levels of Reed-Solomon error correction, in increasing error correction capability: L, M, Q, and H.
(Read only property)
CIQRCodeDescriptorMBS.maskPattern as Integer
Type | Topic | Plugin | Version | macOS | Windows | Linux | iOS | Targets |
property | CoreImage | MBS MacCI Plugin | 17.4 | ✅ Yes | ❌ No | ❌ No | ✅ Yes | All |
QR Codes support eight data mask patterns, which are used to avoid large black or large white areas inside the symbol body. Valid values range from 0 to 7.
(Read only property)
CIQRCodeDescriptorMBS.symbolVersion as Integer
Type | Topic | Plugin | Version | macOS | Windows | Linux | iOS | Targets |
property | CoreImage | MBS MacCI Plugin | 17.4 | ✅ Yes | ❌ No | ❌ No | ✅ Yes | All |
QR Codes are square. ISO/IEC 18004 defines versions from 1 to 40, where a higher symbol version indicates a larger data carrying capacity. This field is required in order to properly interpret the error corrected payload.
(Read only property)
The items on this page are in the following plugins: MBS MacCI Plugin.