syntax = "proto2";

package ltpb;

import "point2f.proto";

message ViewPreferences {
    optional float f_number = 1;
    optional float ev_offset = 2;
    optional bool disable_cropping = 3;
    
    optional HDRMode hdr_mode = 4;
    enum HDRMode {
        HDR_MODE_NONE = 0;
        HDR_MODE_DEFAULT = 1;
        HDR_MODE_NATURAL = 2;
        HDR_MODE_SURREAL = 3;
    }
    
    optional ViewPresets view_preset = 5;
    enum ViewPresets {
        VIEW_PRESET_NONE = 0;
        VIEW_PRESET_NATURAL = 1;
        VIEW_PRESET_FAITHFUL = 2;
        VIEW_PRESET_LANDSCAPE = 3;
        VIEW_PRESET_PORTRAIT = 4;
    }
    
    optional SceneMode scene_mode = 6;
    enum SceneMode {
        SCENE_MODE_PORTRAIT = 0;
        SCENE_MODE_LANDSCAPE = 1;
        SCENE_MODE_SPORT = 2;
        SCENE_MODE_MACRO = 3;
        SCENE_MODE_NIGHT = 4;
        SCENE_MODE_NONE = 5;
    }
    
    optional AWBMode awb_mode = 7;
    enum AWBMode {
        AWB_MODE_AUTO = 0;
        AWB_MODE_DAYLIGHT = 1;
        AWB_MODE_SHADE = 2;
        AWB_MODE_CLOUDY = 3;
        AWB_MODE_TUNGSTEN = 4;
        AWB_MODE_FLUORESCENT = 5;
        AWB_MODE_FLASH = 6;
        AWB_MODE_CUSTOM = 7;
        AWB_MODE_KELVIN = 8;
    }
    
    optional Orientation orientation = 9;
    enum Orientation {
        ORIENTATION_NORMAL = 0;
        ORIENTATION_ROT90_CW = 1;
        ORIENTATION_ROT90_CCW = 2;
        ORIENTATION_ROT90_CW_VFLIP = 3;
        ORIENTATION_ROT90_CCW_VFLIP = 4;
        ORIENTATION_VFLIP = 5;
        ORIENTATION_HFLIP = 6;
        ORIENTATION_ROT180 = 7;
    }
    
    optional float image_gain = 10;
    optional uint64 image_integration_time_ns = 11;
    optional uint32 user_rating = 12;
    
    optional AspectRatio aspect_ratio = 13;
    enum AspectRatio {
        ASPECT_RATIO_4_3 = 0;
        ASPECT_RATIO_16_9 = 1;
    }
    
    optional Crop crop = 14;
    message Crop {
        required Point2F start = 1;
        required Point2F size = 2;
    }
    
    optional ChannelGain awb_gains = 15;
    message ChannelGain {
        required float r = 1;
        required float g_r = 2;
        required float g_b = 3;
        required float b = 4;
    }
    
    optional bool is_on_tripod = 16;
    optional float qc_lux_index = 17;
    optional float display_gain = 18;
    optional uint64 display_integration_time_ns = 19;
    
    reserved 8;
}