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Global Functions

Initialize and Destroy

Function Description
DBR_CreateInstance Create an instance of Dynamsoft Barcode Reader.
DBR_DestroyInstance Destroy the instance of Dynamsoft Barcode Reader.
DBR_GetInstance Creates an instance of Dynamsoft Barcode Reader.
DBR_RecycleInstance Destroys an instance of Dynamsoft Barcode Reader.

License

Function Description
DBR_InitLicense Initializes license key and activate the SDK.
DBR_GetDeviceUUID Gets the device uuid used for license activating.
DBR_IsInstanceValid Gets whether the instance is valid when charging by concurrent instances count.
DBR_SetDeviceFriendlyName Sets a human-readable name that identifies the device.
DBR_SetLicenseCachePath Sets a directory path for saving the license cache.
DBR_SetMaxConcurrentInstanceCount Sets the max concurrent instance count used for current device and process.
DBR_GetInstancePoolStatus Gets a struct to represent the status of an instance pool.
DBR_GetIdleInstancesCount Deprecated
DBR_InitLicenseFromServer Deprecated
DBR_InitLicenseFromLicenseContent Deprecated
DBR_OutputLicenseToString Deprecated
DBR_OutputLicenseToStringPtr Deprecated
DBR_FreeLicenseString Deprecated
DBR_InitDLSConnectionParameters Deprecated
DBR_InitLicenseFromDLS Deprecated
DBR_InitLTSConnectionParameters Deprecated
DBR_InitLicenseFromLTS Deprecated

Decode

Function Description
DBR_DecodeFile Decode barcodes from a specified image file.
DBR_DecodeFileInMemory Decode barcodes from an image file in memory.
DBR_DecodeBuffer Decode barcodes from raw buffer.
DBR_DecodeImageData Decode barcodes from source image defined as ImageData.
DBR_DecodeBase64String Decode barcodes from a base64 encoded string.
DBR_DecodeDIB Decode barcode from a handle of device-independent bitmap (DIB).
DBR_InitIntermediateResult Inits an intermediateResult struct with default values.
DBR_DecodeIntermediateResults Decodes barcode from intermediate results.

Basic Settings Functions

Function Description
DBR_SetModeArgument Set argument value for the specified mode parameter.
DBR_GetModeArgument Get argument value for the specified mode parameter.
DBR_GetRuntimeSettings Get current runtime settings.
DBR_UpdateRuntimeSettings Modify and update the current runtime settings.
DBR_ResetRuntimeSettings Reset runtime settings to default.

Advanced Settings Functions

Function Description
DBR_InitRuntimeSettingsWithFile Initialize runtime settings with the settings in a given JSON file.
DBR_InitRuntimeSettingsWithString Initialize runtime settings with the settings in a given JSON string.
DBR_AppendTplFileToRuntimeSettings Append a new template file to the current runtime settings.
DBR_AppendTplStringToRuntimeSettings Append a new template string to the current runtime settings.
DBR_GetParameterTemplateCount Get the count of the parameter templates.
DBR_GetParameterTemplateName Get the parameter template name by index.
DBR_OutputSettingsToFile Output runtime settings to a settings file (JSON file).
DBR_OutputSettingsToString Output runtime settings to a string.
DBR_OutputSettingsToStringPtr Output runtime settings to a string.
DBR_FreeSettingsString Free memory allocated for runtime settings string.

Result

Function Description
DBR_GetAllTextResults Get all recognized barcode results.
DBR_FreeTextResults Free memory allocated for text results.
DBR_GetIntermediateResults Get intermediate results.
DBR_FreeIntermediateResults Free memory allocated for the intermediate results.

General

Function Description
DBR_GetErrorString Get error message by error code.
DBR_GetVersion Get version information of SDK.
DBR_TransformCoordinates Transform the coordinates of a point based on the given transformation matrix.
DBR_FreeString Free memory allocated for string.

Video

Decode

Function Description
DBR_StartFrameDecoding Decode barcodes from inner frame queue.
DBR_StartFrameDecodingEx Decode barcodes from inner frame queue.
DBR_AppendFrame Append a frame image buffer to the inner frame queue.
DBR_StopFrameDecoding Stop thread used for frame decoding.

Parameter

Function Description
DBR_InitFrameDecodingParameters Initialize frame decoding parameter.

Callback

Function Description
DBR_SetErrorCallback Set callback function to process errors which is triggered when the library finishes decoding a frame.
DBR_SetTextResultCallback Set callback function to process text results which is triggered when the library finishes decoding a frame.
DBR_SetUniqueBarcodeCallback Set callback function to process text results which is triggered when the library finishes decoding a frame and finds unique barcodes.
DBR_SetIntermediateResultCallback Set callback function to process intermediate results which is triggered when the library finishes decoding a frame.

Status retrieval

Function Description
DBR_GetLengthOfFrameQueue Get length of current inner frame queue.

This page is compatible for:

Version 7.5.0

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