Hand Held Products 4X00 Software Manual

Also see for 4X00: User guide

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Hand Held Products 4X00 Software Manual Manual pdf 81 page image

IMAGETEAM™ 4X00 Series Software Development Kit (SDK) User’s Guide 2 - 67ParameterspImageDescPointer to a data structure describing the image to to be retrieved.typedef struct{int AspectRatio;int OffsetX;int OfsetY;unsigned int width;unsigned int height;int resolution;FileFormat_t format;int reserved;} IntellImgDesc _t;Aspect Ratio: Ratio of the bar code height (linear bar codes) or row height (2D bar codes) to the narrow elementwidth.OffsetX: Offset in X direction of center of image, relative to the bar code center, using Intelligent Bar CodeUnits (page 2-65).OffsetY: Offset in Y direction of the center of the image, relative to the bar code center, using Intelligent BarCode Units. Positive Y is above the bar code center, and negative Y is below the center.width: Width of image, using Intelligent Bar Code Units.height: Height of image, using Intelligent Bar Code Units.resolution: The number of pixels to use per Intelligent Bar Code Unit. A higher resolution yields a better qualityimage, but also a larger one. The exact value of resolution required is dependent on how far awaythe Imager is from the image, and how high the desired image quality.format: Format of image. The following formats are supported:FF_RAW_BINARY Raw data that's converted to 2 gray levelsFF_RAW_GRAY Raw data that's converted to 256 gray levelsoemWaitForDecodeThis function causes the engine to start scanning for a decodable symbol. This function does not return until either a symbol isdecoded, or the timeout period has elapsed. If a message was decoded it is returned in this function's parameters.Result_t oemWaitForDecode (DWORD dwTimeout,TCHAR *pchMessage,TCHAR *pchCodeID,TCHAR *pchAIMID,TCHAR *pchSymModifier,WORD *pnLength,BOOL (*fpCallBack) (void))Return ValuesRESULT_SUCCESSRESULT_ERR_ENGINEBUSYRESULT_ERR_PARAMETERRESULT_ERR_NOTRIGGERRESULT_ERR_NODECODERESULT_ERR_NOIMAGE