tauri-plugins-workspace/plugins/camera/android/src/main/java/ExifWrapper.kt

// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
// SPDX-License-Identifier: Apache-2.0
// SPDX-License-Identifier: MIT

package app.tauri.camera

import androidx.exifinterface.media.ExifInterface.*
import androidx.exifinterface.media.ExifInterface
import app.tauri.plugin.JSObject

class ExifWrapper(private val exif: ExifInterface?) {
  private val attributes = arrayOf(
    TAG_APERTURE_VALUE,
    TAG_ARTIST,
    TAG_BITS_PER_SAMPLE,
    TAG_BODY_SERIAL_NUMBER,
    TAG_BRIGHTNESS_VALUE,
    TAG_CAMERA_OWNER_NAME,
    TAG_CFA_PATTERN,
    TAG_COLOR_SPACE,
    TAG_COMPONENTS_CONFIGURATION,
    TAG_COMPRESSED_BITS_PER_PIXEL,
    TAG_COMPRESSION,
    TAG_CONTRAST,
    TAG_COPYRIGHT,
    TAG_CUSTOM_RENDERED,
    TAG_DATETIME,
    TAG_DATETIME_DIGITIZED,
    TAG_DATETIME_ORIGINAL,
    TAG_DEFAULT_CROP_SIZE,
    TAG_DEVICE_SETTING_DESCRIPTION,
    TAG_DIGITAL_ZOOM_RATIO,
    TAG_DNG_VERSION,
    TAG_EXIF_VERSION,
    TAG_EXPOSURE_BIAS_VALUE,
    TAG_EXPOSURE_INDEX,
    TAG_EXPOSURE_MODE,
    TAG_EXPOSURE_PROGRAM,
    TAG_EXPOSURE_TIME,
    TAG_FILE_SOURCE,
    TAG_FLASH,
    TAG_FLASHPIX_VERSION,
    TAG_FLASH_ENERGY,
    TAG_FOCAL_LENGTH,
    TAG_FOCAL_LENGTH_IN_35MM_FILM,
    TAG_FOCAL_PLANE_RESOLUTION_UNIT,
    TAG_FOCAL_PLANE_X_RESOLUTION,
    TAG_FOCAL_PLANE_Y_RESOLUTION,
    TAG_F_NUMBER,
    TAG_GAIN_CONTROL,
    TAG_GAMMA,
    TAG_GPS_ALTITUDE,
    TAG_GPS_ALTITUDE_REF,
    TAG_GPS_AREA_INFORMATION,
    TAG_GPS_DATESTAMP,
    TAG_GPS_DEST_BEARING,
    TAG_GPS_DEST_BEARING_REF,
    TAG_GPS_DEST_DISTANCE,
    TAG_GPS_DEST_DISTANCE_REF,
    TAG_GPS_DEST_LATITUDE,
    TAG_GPS_DEST_LATITUDE_REF,
    TAG_GPS_DEST_LONGITUDE,
    TAG_GPS_DEST_LONGITUDE_REF,
    TAG_GPS_DIFFERENTIAL,
    TAG_GPS_DOP,
    TAG_GPS_H_POSITIONING_ERROR,
    TAG_GPS_IMG_DIRECTION,
    TAG_GPS_IMG_DIRECTION_REF,
    TAG_GPS_LATITUDE,
    TAG_GPS_LATITUDE_REF,
    TAG_GPS_LONGITUDE,
    TAG_GPS_LONGITUDE_REF,
    TAG_GPS_MAP_DATUM,
    TAG_GPS_MEASURE_MODE,
    TAG_GPS_PROCESSING_METHOD,
    TAG_GPS_SATELLITES,
    TAG_GPS_SPEED,
    TAG_GPS_SPEED_REF,
    TAG_GPS_STATUS,
    TAG_GPS_TIMESTAMP,
    TAG_GPS_TRACK,
    TAG_GPS_TRACK_REF,
    TAG_GPS_VERSION_ID,
    TAG_IMAGE_DESCRIPTION,
    TAG_IMAGE_LENGTH,
    TAG_IMAGE_UNIQUE_ID,
    TAG_IMAGE_WIDTH,
    TAG_INTEROPERABILITY_INDEX,
    TAG_ISO_SPEED,
    TAG_ISO_SPEED_LATITUDE_YYY,
    TAG_ISO_SPEED_LATITUDE_ZZZ,
    TAG_JPEG_INTERCHANGE_FORMAT,
    TAG_JPEG_INTERCHANGE_FORMAT_LENGTH,
    TAG_LENS_MAKE,
    TAG_LENS_MODEL,
    TAG_LENS_SERIAL_NUMBER,
    TAG_LENS_SPECIFICATION,
    TAG_LIGHT_SOURCE,
    TAG_MAKE,
    TAG_MAKER_NOTE,
    TAG_MAX_APERTURE_VALUE,
    TAG_METERING_MODE,
    TAG_MODEL,
    TAG_NEW_SUBFILE_TYPE,
    TAG_OECF,
    TAG_OFFSET_TIME,
    TAG_OFFSET_TIME_DIGITIZED,
    TAG_OFFSET_TIME_ORIGINAL,
    TAG_ORF_ASPECT_FRAME,
    TAG_ORF_PREVIEW_IMAGE_LENGTH,
    TAG_ORF_PREVIEW_IMAGE_START,
    TAG_ORF_THUMBNAIL_IMAGE,
    TAG_ORIENTATION,
    TAG_PHOTOGRAPHIC_SENSITIVITY,
    TAG_PHOTOMETRIC_INTERPRETATION,
    TAG_PIXEL_X_DIMENSION,
    TAG_PIXEL_Y_DIMENSION,
    TAG_PLANAR_CONFIGURATION,
    TAG_PRIMARY_CHROMATICITIES,
    TAG_RECOMMENDED_EXPOSURE_INDEX,
    TAG_REFERENCE_BLACK_WHITE,
    TAG_RELATED_SOUND_FILE,
    TAG_RESOLUTION_UNIT,
    TAG_ROWS_PER_STRIP,
    TAG_RW2_ISO,
    TAG_RW2_JPG_FROM_RAW,
    TAG_RW2_SENSOR_BOTTOM_BORDER,
    TAG_RW2_SENSOR_LEFT_BORDER,
    TAG_RW2_SENSOR_RIGHT_BORDER,
    TAG_RW2_SENSOR_TOP_BORDER,
    TAG_SAMPLES_PER_PIXEL,
    TAG_SATURATION,
    TAG_SCENE_CAPTURE_TYPE,
    TAG_SCENE_TYPE,
    TAG_SENSING_METHOD,
    TAG_SENSITIVITY_TYPE,
    TAG_SHARPNESS,
    TAG_SHUTTER_SPEED_VALUE,
    TAG_SOFTWARE,
    TAG_SPATIAL_FREQUENCY_RESPONSE,
    TAG_SPECTRAL_SENSITIVITY,
    TAG_STANDARD_OUTPUT_SENSITIVITY,
    TAG_STRIP_BYTE_COUNTS,
    TAG_STRIP_OFFSETS,
    TAG_SUBFILE_TYPE,
    TAG_SUBJECT_AREA,
    TAG_SUBJECT_DISTANCE,
    TAG_SUBJECT_DISTANCE_RANGE,
    TAG_SUBJECT_LOCATION,
    TAG_SUBSEC_TIME,
    TAG_SUBSEC_TIME_DIGITIZED,
    TAG_SUBSEC_TIME_ORIGINAL,
    TAG_THUMBNAIL_IMAGE_LENGTH,
    TAG_THUMBNAIL_IMAGE_WIDTH,
    TAG_TRANSFER_FUNCTION,
    TAG_USER_COMMENT,
    TAG_WHITE_BALANCE,
    TAG_WHITE_POINT,
    TAG_XMP,
    TAG_X_RESOLUTION,
    TAG_Y_CB_CR_COEFFICIENTS,
    TAG_Y_CB_CR_POSITIONING,
    TAG_Y_CB_CR_SUB_SAMPLING,
    TAG_Y_RESOLUTION
  )

  fun toJson(): JSObject {
    val ret = JSObject()
    if (exif == null) {
      return ret
    }
    for (i in attributes.indices) {
      p(ret, attributes[i])
    }
    return ret
  }

  fun p(o: JSObject, tag: String?) {
    val value = exif!!.getAttribute(tag!!)
    o.put(tag, value)
  }

  fun copyExif(destFile: String?) {
    try {
      val destExif = ExifInterface(
        destFile!!
      )
      for (i in attributes.indices) {
        val value = exif!!.getAttribute(attributes[i])
        if (value != null) {
          destExif.setAttribute(attributes[i], value)
        }
      }
      destExif.saveAttributes()
    } catch (_: java.lang.Exception) {
    }
  }

  fun resetOrientation() {
    exif!!.resetOrientation()
  }
}