ImageGear for C and C++ on Windows v19.1 - Updated
enumIGPDFColorSpace
Specifies the color space in which a color value is specified (for example, RGB or Grayscale).
| IG_PDF_DEVICE_GRAY | Grayscale color specification. Requires 1 value entry to specify the color. |
| IG_PDF_DEVICE_RGB | Red-Green-Blue color specification. Requires 3 value entries to specify the color. |
| IG_PDF_DEVICE_CMYK | Cyan-Magenta-Yellow-Black color specification. Requires 4 value entries to specify the color. |