Lines Matching full:grayscale
263 * byte into separate bytes (useful for paletted and grayscale images). */
267 /* Expand grayscale images to the full 8 bits from 1, 2, or 4 bits/pixel */
540 // Converting a non grayscale image to A8 is not currently supported.
588 // Unless the user is requesting A8, convert a grayscale image into RGB.
