Data type definitions, Data type definitions -6, Imaging functions – Hand Held Products 4X00 User Manual

Page 12: Variable description

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IMAGETEAM™ 4X00 Series Software Development Kit (SDK) User’s Guide

Data Type Definitions

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

oemWaitForDecodeRaw

The engine scans until a symbol is decoded, or a timeout is
reached - decoded message is returned in raw form

2-68

oemWaitMultipleDecode

Reads multiple symbols using a single function call

2-69

oemWaitMultipleDecodeRaw

Reads multiple symbols using a single function call - decoded
message is returned in raw form

2-70

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
Imager

2-8

oemGetLastImage

Retrieves the last image acquired

2-10

oemGetLastImageExt

Retrieves the last image and the exposure parameters
acquired by the image engine

2-10

oemGetLastImageSize

Retrieve the rows, columns and size of the last image returned
by oemAcquireImage, oemGetImage, or
oemImageStreamRead.

2-11

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

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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