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The DTWAIN Acquisition functions, DTWAIN_GetPixelType, DTWAIN_EnumPixelTypes, and DTWAIN_SetPixelType functions use the following constants to define the various pixel types (colors) that TWAIN defines for acquiring an image:
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Pixel Type
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Definition
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Value
|
|
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DTWAIN_PT_BW
|
Black and White
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0
|
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DTWAIN_PT_GRAY
|
Gray
|
1
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DTWAIN_PT_RGB
|
Red-Green-Blue
|
2
|
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DTWAIN_PT_PALETTE
|
Use Color Palette
|
3
|
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DTWAIN_PT_CMY
|
CMY Data
|
4
|
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DTWAIN_PT_CMYK
|
CMYK Data
|
5
|
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DTWAIN_PT_YUV
|
YUV Data
|
6
|
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DTWAIN_PT_YUVK
|
YUVK Data
|
7
|
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DTWAIN_PT_CIEXYZ
|
CIE XYZ Data
|
8
|
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DTWAIN_PT_DEFAULT
|
Source's default
|
1000
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