Thanks for downloading Dynamsoft Barcode Reader Package!
Your download will start shortly. If your download does not begin, click here to retry.
Release Notes for C Edition - 9.x
9.6.10 (01/10/2023)
New
- Added a new method
DBR_SetLicenseCachePath
to support customizing the license cache saving path. - Add a new method
DBR_GetDeviceUUID
to support getting device UUID for license activating. - Added error code
DMERR_LICENSE_BUFFER_FAILED
to the potential error list of the license activation methods and decode methods. The error code is returned when the directory of the license cache is inaccessible.
Improved
- Improved the performance of Direct Part Marking (DPM) barcode decoding.
- Improved the performance of GS1 Databar barcode decoding.
Fixed
- Fixed a crash bug when using a online license key on ARM64 environment.
- Fixed a crash bug when using a online license key on the AWS lambda environment.
- Fixed a bug that some OneD barcodes without start & stop characters are not decoded when parameter
RequireStartStopChars
is set to 0. - Other small fixes and tweaks.
9.6.0 (11/29/2022)
Version Highlights
- Image orientation handling is supported by a new feature. With the new feature, you can:
- Get a TranformationMatrix along with the barcode location result.
- Implement coordinates transformation on the barcode location result with the TransformationMatrix.
- DotCode decoding is improved by optimizing the localization of DotCodes that are close to one another.
- EAN8 barcode decoding is improved by honing the accuracy of localization algorithms.
- QR code localizing is improved by reducing the mis-assemble rate of the finder patterns when using the localization mode LM_CONNECTED_BLOCK or LM_SCAN_DIRECTLY, which are designed for speed. The mis-assembling only occurs when there exist dense QR codes on the same image.
- Mirrored rectangular DataMatrix barcode is supported by implementing
MirrorMode
when localizing the barcodes. - Deformed barcode decoding is improved by extending the supported modes and mode arguments of
DeformationResistingModes
.
Edition Highlights
- Added duplicate barcode filter feature in video mode. You can implement duplicate filter to ignore duplicate barcodes for a period.
Changelog
New
- Added a property
orientation
to structFrameDecodingParameters
to set the orientation information of the video frame. - Added
orientation
to struct ImageData to set the orientation information. - Enabled decoding methods
DBR_DecodeFile()
,DBR_DecodeFileinMemory()
andDBR_DecodeBase64String()
to read EXIF data of the given image so that the library can obtain the orientation information of the image file. - Added a property
transformationMatrix
to structLocalizationResult
so that the library can output a transformation matrix for transforming the localization coordinates to image’s natural orientation. - Added a method
DBR_TransformCoordinates()
to support transforming the coordinates of a point based on a given transformation matrix. - Added a method
DBR_DecodeImageData()
to enable decoding barcodes from source image defined as ImageData. - Added a property
duplicateForgetTime
to structFrameDecodingParameters
to set the time period used to filter out duplicate results found in frames. - Added a method
DBR_SetUniqueBarcodeCallback()
to set callback function to obtain unique barcode result. - Added properties
hasLeftRowIndicator
andhasRightRowIndicator
to structPDF417Details
to return whether the left and right row indicator of the PDF417 barcode is detected. - Added a member
BF2_ALL
to enumerationBarcodeFormatIds_2
to support setting all barcode formats in BarcodeFormat group 2 with one enumeration. - Extended the features of parameter
DeformationResistingModes
:- Extended the valid mode arguments of
DRM_BROAD_WARP
,DRM_LOCAL_REFERENCE
andDRM_DEWRINKLE
with two new arguments:GrayscaleEnhancementMode
andBinarizationMode
. - Supported mode
DRM_AUTO
.
- Extended the valid mode arguments of
Improved
- Improved the accuracy when processing multiple QR codes.
- Improved the processing speed by excluding incorrectly located barcode zones before decoding.
- Improved the creation, destruction and acquisition logic of concurrent instances.
- Improved the accuracy of EAN8 localization result(s).
- Improved the localization of mirrored DataMatrix barcode by implementing
MirrorMode
.
Fixed
- Fixed a bug that DotCodes might not be decoded when they are densely arranged.
- Fixed a crash bug when trying to output a template which included
BarcodeTextRegExPattern
. - Other small fixes and tweaks.
9.4.0 (08/30/2022)
Highlights
- DotCode decoding has been improved by optimizing the localization and decoding algorithm.
- Stacked, skewed or perspective distorted OneD barcode decoding has been improved.
Changelog
New
- Added an argument
IsOneDStacked
toLM_SCAN_DIRECTLY
to process stacked OneD barcodes. - Added a parameter
PatchCodeSearchingMargins
to specify the searching area of PatchCode. - Added the supported data format of
FormatSpecification.PartitionModes
to enhance the readability of the parameters. Users can use a list of enumeration names to specify thePartitionModes
.
Improved
- Improved the localization mode
LM_LINES
to better support skewed and perspective OneD barcodes. - Enhanced tamper resistance of the license keys so that any change to the license string makes it invalid.
Deprecated
- Deprecated the attribute
barcodeFormatString_2
ofTextResult
,ExtendedResult
andLocalizationResult
. All the barcode format strings will be returned by the attributebarcodeFormatString
.
9.2.0 (06/07/2022)
Highlights
- Barcode boundary-seeking algorithm is refactored to improve stability.
- Pharmacode decoding is optimized to improve accuracy.
- The function of device-alias is added to allow users to give each device a readable name. For end-users and administrators, this makes it more friendly to distinguish between devices about license usage statistics.
Changelog
New
- Added a new method
DBR_SetDeviceFriendlyName
to set a human-readable name that identifies the device.
Fixed
- Fixed a bug that
DBR_InitLicense
failed when using online license on Linux ARM 32-bit system.
9.0.0 (03/15/2022)
Highlights
- Simplified the license activation steps. Different license activation APIs are integrated into
initLicense
method. - Added support for Pharmacode.
- Added support for Code 11, a 1D format.
- Deformation resisting modes
DRM_BROAD_WARP
,DRM_LOCAL_REFERENCE
andDRM_DEWRINKLE
are optimized and detached fromDRM_GENERAL
. Users can specify a more effective deformation resisting mode when processing QRCode and DataMatrix codes. - Optimized the confidence scoring system for PDF417 codes.
Changelog
New
- Added
BF_CODE_11
under EnumerationBarcodeFormat
to specify newly supported barcode format, Code 11. - Added
BF2_PHARMACODE_ONE_TRACK
,BF2_PHARMACODE_TWO_TRACK
andBF2_PHARMACODE
under EnumerationBarcodeFormat_2
to specify newly supported barcode format, Pharmacode. - Added a new error code
DBRERR_PHARMACODE_LICENSE_INVALID
which will be returned when the license of Pharmacode is invalid. - Added
DRM_BROAD_WARP
,DRM_LOCAL_REFERENCE
andDRM_DEWRINKLE
under EnumerationDeformationResistingMode
to apply new deformation resisting modes. - Added a parameter
FormatSpecification.PartitionModes
- Added a parameter
FormatSpecification.VerifyCheckDigit
- Added new argument
ConfidenceThreshold
to theLocalizationModes
mode arguments.
Changed
- Changed value of BF_ONED under Enumeration
BarcodeFormat
to 0x003007FF to have BF_CODE_11 combined. - Changed value of BF_ALL under Enumeration
BarcodeFormat
to 0xFE3FFFFF to have BF_CODE_11 combined. - Changed the behaviour of
DeformationResistingMode
DRM_GENERAL which now only applies basic process to resist deformation. - Changed the return value of the method
DBR_GetIdleInstancesCount
from 0 to -1 when the available count needs to be updated from server by calling DBR_InitLicense.
Fixed
- Fixed a bug that might cause a crash when using multiple threads for barcode decoding.
- Fixed a bug that Function Code 1 (FNC1) character would not return if it was in the first position of GS1-128 codes.
- Other small fixes and tweaks.
Breaking Change(s)
DBR_InitLicense
now needs two more parameters to return detailed error message.
Deprecated
The following items are now deprecated. They still work in this version but could be removed in the near future.
- Method
DBR_InitLicenseFromServer
- Method
DBR_InitLicenseFromLicenseContent
- Method
DBR_OutputLicenseToString
- Method
DBR_OutputLicenseToStringPtr
- Method
DBR_FreeLicenseString
- Method
DBR_InitDLSConnectionParameters
- Method
DBR_InitLicenseFromDLS
- Enumeration
DM_ChargeWay
- Enumeration
DM_DeploymentType
- Enumeration
DM_LicenseModule
- Enumeration
DM_UUIDGenerationMethod
- Enumeration
Product