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Able, Ection, Mage – MagTek Excella Windows API99875313 User Manual

Page 55: Ptions, Ptional, Ossible, Ombination, Alues for, Xample for, Through

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Section 4. Key-Value Pairs


47

Table 4-4a. Section = ImageOptions (Optional)

Key

Key Description

Value

Value Description

JPEGQC*

Compression quality number for
color images

Numeric
string

Quality number for color images.
The valid range is 1-100.

JPEGQG*

Compression quality number for
grayscale images

Numeric
string

Quality number for grayscale
images. The valid range is 1-100.

* The default value for this key is 50. Changing the default value of this key affects the image
quality and size of a JPEG file.
*For higher quality images, set the value of this key to a higher number. The file size also
increases when the quality number increases. This key is supported by Excella STX only.

Table 4-5 lists the current valid combination of ImageColor, Resolution, Compression, and
FileType.

Table 4-5. Possible Combination Values for Image Options

ImageColor

Resolution

Compression

FileType

B/W

200x200

NONE

TIFF

B/W

200x200

GROUP4

TIFF

GRAY8

100x100

JPEG

JPG

GRAY8

200x200

JPEG

JPG

GRAY8

100x100

NONE

BMP

GRAY8

200x200

NONE

BMP


Example for setting up ImageOptions key-value pairs to obtain 4 Images

In the following example we are requesting four images:

1. Gray scale with resolution 100x100 for the FRONT of the document
2. Gray scale with resolution 100x100 for the BACK of the document
3. BW for the FRONT of the document
4. BW for the BACK of the document

Table 4-6. Example for Section ImageOptions – 1 through 4

Number

4

ImageColor1

GRAY8

Resolution1

100x100

Compression1

JPEG

FileType1

JPG

ImageSide1

FRONT

ImageColor2

GRAY8

Resolution2

100x100

Compression2

JPEG

FileType2

JPG

ImageSide2

BACK

ImageColor3

BW

Resolution3

200x200