// License: Apache 2.0. See LICENSE file in root directory.
// Copyright(c) 2019 Intel Corporation. All Rights Reserved.

#pragma once


/*
    The 68-point annotations for the iBUG 300-W face landmark dataset.
    See this picture:
        https://ibug.doc.ic.ac.uk/media/uploads/images/annotpics/figure_68_markup.jpg
    NOTE: the indexes in the picture are 1-based, so the actual C++ indexes are less 1.
    NOTE: "Right" and "left" refer to the face being described, so are the mirror of the
    side that an onlooker (from the front) would see.
*/
enum markup_68
{
    // Starting with right ear, the jaw [1-17]
    RIGHT_EAR, JAW_FROM = RIGHT_EAR, RIGHT_JAW_FROM = RIGHT_EAR,
    RIGHT_1, RIGHT_2, RIGHT_3, RIGHT_4, RIGHT_5, RIGHT_6, RIGHT_7, RIGHT_JAW_TO = RIGHT_7,
    CHIN, CHIN_FROM = CHIN - 1, CHIN_TO = CHIN + 1,
    LEFT_7 = CHIN + 1, LEFT_JAW_FROM = LEFT_7, LEFT_6, LEFT_5, LEFT_4, LEFT_3, LEFT_2, LEFT_1,
    LEFT_EAR, LEFT_JAW_TO = LEFT_EAR, JAW_TO = LEFT_EAR,

    // Eyebrows [18-22] and [23-27]
    RIGHT_EYEBROW_R, RIGHT_EYEBROW_FROM = RIGHT_EYEBROW_R, RIGHT_EYEBROW_1, RIGHT_EYEBROW_2, RIGHT_EYEBROW_3, RIGHT_EYEBROW_L, RIGHT_EYEBROW_TO = RIGHT_EYEBROW_L,
    LEFT_EYEBROW_R, LEFT_EYEBROW_FROM = LEFT_EYEBROW_R, LEFT_EYEBROW_1, LEFT_EYEBROW_2, LEFT_EYEBROW_3, LEFT_EYEBROW_L, LEFT_EYEBROW_TO = LEFT_EYEBROW_L,

    // Nose [28-36]
    NOSE_RIDGE_TOP, NOSE_RIDGE_FROM = NOSE_RIDGE_TOP, NOSE_RIDGE_1, NOSE_RIDGE_2, NOSE_TIP, NOSE_RIDGE_TO = NOSE_TIP,
    NOSE_BOTTOM_R, NOSE_BOTTOM_FROM = NOSE_BOTTOM_R, NOSE_BOTTOM_1, NOSE_BOTTOM_2, NOSE_BOTTOM_3, NOSE_BOTTOM_L, NOSE_BOTTOM_TO = NOSE_BOTTOM_L,

    // Eyes [37-42] and [43-48]
    RIGHT_EYE_R, RIGHT_EYE_FROM = RIGHT_EYE_R, RIGHT_EYE_1, RIGHT_EYE_2, RIGHT_EYE_L, RIGHT_EYE_4, RIGHT_EYE_5, RIGHT_EYE_TO = RIGHT_EYE_5,
    LEFT_EYE_R, LEFT_EYE_FROM = LEFT_EYE_R, LEFT_EYE_1, LEFT_EYE_2, LEFT_EYE_L, LEFT_EYE_4, LEFT_EYE_5, LEFT_EYE_TO = LEFT_EYE_5,

    // Mouth [49-68]
    MOUTH_R, MOUTH_OUTER_R = MOUTH_R, MOUTH_OUTER_FROM = MOUTH_OUTER_R, MOUTH_OUTER_1, MOUTH_OUTER_2, MOUTH_OUTER_TOP, MOUTH_OUTER_4, MOUTH_OUTER_5,
    MOUTH_L, MOUTH_OUTER_L = MOUTH_L, MOUTH_OUTER_7, MOUTH_OUTER_8, MOUTH_OUTER_BOTTOM, MOUTH_OUTER_10, MOUTH_OUTER_11, MOUTH_OUTER_TO = MOUTH_OUTER_11,
    MOUTH_INNER_R, MOUTH_INNER_FROM = MOUTH_INNER_R, MOUTH_INNER_1, MOUTH_INNER_TOP, MOUTH_INNER_3,
    MOUTH_INNER_L, MOUTH_INNER_5, MOUTH_INNER_BOTTOM, MOUTH_INNER_7, MOUTH_INNER_TO = MOUTH_INNER_7,

    N_POINTS
};