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General Functions

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

DBR_GetErrorString

Get error message by error code.

DBR_API const char* DBR_GetErrorString (int errorCode)	

Parameters

[in] errorCode The error code.

Return Value

The error message.

Code Snippet

char errorBuf[512];
DBR_InitLicense("YOUR-LICENSE-KEY", errorBuf, 512);
void* barcodeReader = DBR_CreateInstance();
int errorCode = DBR_DecodeFile(barcodeReader, "C:\\Program Files (x86)\\Dynamsoft\\{Version number}\\Images\\AllSupportedBarcodeTypes.tif", "");
const char* errorString = DBR_GetErrorString(errorCode);
DBR_DestroyInstance(barcodeReader);

DBR_GetVersion

Get version information of SDK.

DBR_API const char* DBR_GetVersion ()

Return Value
The version information string.

Code Snippet

const char* versionInfo = DBR_GetVersion();

DBR_TransformCoordinates

Transform the coordinates of a point based on the given transformation matrix.

DBR_API DBRPoint DBR_TransformCoordinates(DBRPoint originalPoint, double transformationMatrix[9])

Parameters

[in] originalPoint : The original point that needs to be transformed.
[in] transformationMatrix : The 3x3 matrix used for coordinate transformation.

Return Value

The point after transformation.

Code Snippet

//get originalPoint and transformationMatrix from LocalizationResult
DBRPoint targetPoint = DBR_TransformCoordinates(originalPoint, transformationMatrix);

DBR_FreeString

Free memory allocated for string.

DBR_API void DBR_FreeString(char** content)

Parameters

[in] content The string needs to be freed.