This enumeration specifies the type of pixel data that a Source is capable of acquiring (for example, black and white, gray, RGB, etc.).
Values:
| IG_TW_PT_BW | Black and white |
| IG_TW_PT_CIEXYZ | CIEXYZ |
| IG_TW_PT_CMY | CMY |
| IG_TW_PT_CMYK | CMYK |
| IG_TW_PT_GRAY | GRAY |
| IG_TW_PT_PALETTE | PALETTE |
| IG_TW_PT_RGB | RGB |
| IG_TW_PT_YUV | YUV |
| IG_TW_PT_YUVK | YUVK |