Hand Held Products 4X00 manual Data Type Definitions

oemWaitForDecodeRaw	The engine scans until a symbol is decoded, or a timeout is	2-68
	reached - decoded message is returned in raw form
oemWaitMultipleDecode	Reads multiple symbols using a single function call	2-69
oemWaitMultipleDecodeRaw	Reads multiple symbols using a single function call - decoded	2-70
	message is returned in raw form
Imaging Functions
oemAcquireImage	Acquires an image but does not return it.	2-1
oemGetExposureSettings	Retrieves image parameters used during image acquisition.	2-6
oemGetImage	Retrieve an image from the engine	2-7
oemGetImageData	Get image data from the Imager	2-8
oemGetImagerInfo	Retrieve the pixel dimensions and bit depth of the engine's	2-8
	Imager
oemGetLastImage	Retrieves the last image acquired	2-10
oemGetLastImageExt	Retrieves the last image and the exposure parameters	2-10
	acquired by the image engine
	Retrieve the rows, columns and size of the last image returned
oemGetLastImageSize	by oemAcquireImage, oemGetImage, or	2-11
	oemImageStreamRead.
oemGetSetupImager	Gets the current imager setup values.	2-27
oemImageStreamInit	Intialize image streaming interface.	2-42
oemImageStreamRead	Retrieve current image	2-42
oemImageStreamStart	Start imager acquiring images	2-42
oemImageStreamStop	Tell imager to stop acquiring images	2-43
oemStartIntellImgXfer	Starts an IQ image transfer	2-65

Data Type Definitions

Throughout this document the following variable types are used. These data types are defined in the Oemdecodece.h header file.

Variable	Description
BOOL	OS-dependent-size Boolean variable (1 = true, 0 = false).
BYTE	8 bit unsigned variable.
DecodeMsg_t	Typedef structure used to define decoded bar code message information.
DecodeMsgRaw_t	Typedef structure used to define decoded bar code message information in raw format.
DWORD	32 bit unsigned integer variable.
ExposureMode_t	Enumerated integer type used to select the exposure mode used during image acquisition.
	The mode options are: fixed, on chip, and Hand Held Products exposure mode.
ExposureSettings_t	Typedef structure used to hold all possible exposure setting parameters used during image
	acquisition.
FileFormat_t	Enumerated integer type identifying possible image data formats.
ImagerDesc_t	Typedef structure used to set the format of the images returned from the engine.
ImagerSetup_t	Typedef structure used to set imager parameters used during image acquisition.
IntellImgDesc_t	Typedef structure used to set parameters used during an IQ image transfer.
OCRDirection_t	Enumerated integer identifying OCR character orientation.
OCRMode_t	Enumerated integer identifying the OCR font to be decoded.

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