GUI pixel dump window color components.
| IG_GUI_PIXDUMP_COMPONENT_1 | Display value of Component 1 of image pixels. |
| IG_GUI_PIXDUMP_COMPONENT_2 | Display value of Component 2 of image pixels. |
| IG_GUI_PIXDUMP_COMPONENT_3 | Display value of Component 3 of image pixels. |
| IG_GUI_PIXDUMP_COMPONENT_4 | Display value of Component 4 of image pixels. |
| IG_GUI_PIXDUMP_COMPONENT_ALPHA | Display value of Alpha channel of image pixels. |
| IG_GUI_PIXDUMP_COMPONENT_EXTRA | Display value of Extra channels of image pixels. |
| IG_GUI_PIXDUMP_COMPONENT_ALL | Display value of all color components of image pixels. |
Specifies color components to display. Color components indices are 1-based i.e. first component is IG_GUI_PIXDUMP_COMPONENT_1 and so on. See IG_GUI_pixdump_attribute_set for more details.