Specifies color reduction modes on image loading.
IG_LOAD_COLOR_DEFAULT | No color reduction performed. |
IG_LOAD_COLOR_1 | Image bit depth is reduced to 1 bit per pixel during loading. |
IG_LOAD_COLOR_4 | Image bit depth is reduced to 4 bits per pixel during loading. |
IG_LOAD_COLOR_8 | Image bit depth is reduced to 8 bits per pixel during loading. |
IG_LOAD_GRAYSCALE_8 | Image bit depth is reduced to 8 bits per pixel and color space converted to grayscale during loading. |
See IG_load_color_reduction_set for more details.