image_common.h

Overview

The image_common.h file declares the common enums and structs used by the image interface.

Library: libimage_common.so

File to include: <multimedia/image_framework/image/image_common.h>

System capability: SystemCapability.Multimedia.Image.Core

Since: 12

Related module: Image_NativeModule

Summary

Structs

Name	Description
struct Image_Size	Describes the image size.
struct Image_Region	Describes the region of an image to decode.
struct Image_String	Describes an image string.

Types

Name	Description
typedef struct Image_Size Image_Size	Defines a struct for the image size.
typedef struct Image_Region Image_Region	Defines a struct for the region of an image to decode.
typedef struct OH_PictureMetadata OH_PictureMetadata	Defines a struct for the picture metadata.
typedef struct Image_String Image_String	Defines a struct for an image string.
typedef struct Image_String Image_MimeType	Defines a struct for an image format type.

Enums

Name	Description
Image_ErrorCode { IMAGE_SUCCESS = 0, IMAGE_BAD_PARAMETER = 401, IMAGE_UNSUPPORTED_MIME_TYPE = 7600101, IMAGE_UNKNOWN_MIME_TYPE = 7600102, IMAGE_TOO_LARGE = 7600103, IMAGE_DMA_NOT_EXIST = 7600173, IMAGE_DMA_OPERATION_FAILED = 7600174, IMAGE_UNSUPPORTED_OPERATION = 7600201, IMAGE_UNSUPPORTED_METADATA = 7600202, IMAGE_UNSUPPORTED_CONVERSION = 7600203, IMAGE_INVALID_REGION = 7600204, IMAGE_UNSUPPORTED_MEMORY_FORMAT = 7600205, IMAGE_ALLOC_FAILED = 7600301, IMAGE_COPY_FAILED = 7600302, IMAGE_LOCK_UNLOCK_FAILED = 7600303, IMAGE_UNKNOWN_ERROR = 7600901, IMAGE_BAD_SOURCE = 7700101, IMAGE_SOURCE_UNSUPPORTED_MIME_TYPE = 7700102, IMAGE_SOURCE_TOO_LARGE = 7700103, IMAGE_SOURCE_UNSUPPORTED_ALLOCATOR_TYPE = 7700201, IMAGE_SOURCE_UNSUPPORTED_OPTIONS = 7700203, IMAGE_DECODE_FAILED = 7700301, IMAGE_SOURCE_ALLOC_FAILED = 7700302, IMAGE_ENCODE_FAILED = 7800301 }	Enumerates the error codes.
Image_MetadataType { EXIF_METADATA = 1, FRAGMENT_METADATA = 2 }	Enumerates the metadata types.

Name

Description

Image_ErrorCode {
IMAGE_SUCCESS = 0,
IMAGE_BAD_PARAMETER = 401,
IMAGE_UNSUPPORTED_MIME_TYPE = 7600101,
IMAGE_UNKNOWN_MIME_TYPE = 7600102,
IMAGE_TOO_LARGE = 7600103,
IMAGE_DMA_NOT_EXIST = 7600173,
IMAGE_DMA_OPERATION_FAILED = 7600174,
IMAGE_UNSUPPORTED_OPERATION = 7600201,
IMAGE_UNSUPPORTED_METADATA = 7600202,
IMAGE_UNSUPPORTED_CONVERSION = 7600203,
IMAGE_INVALID_REGION = 7600204,
IMAGE_UNSUPPORTED_MEMORY_FORMAT = 7600205,
IMAGE_ALLOC_FAILED = 7600301,
IMAGE_COPY_FAILED = 7600302,
IMAGE_LOCK_UNLOCK_FAILED = 7600303,
IMAGE_UNKNOWN_ERROR = 7600901,
IMAGE_BAD_SOURCE = 7700101,
IMAGE_SOURCE_UNSUPPORTED_MIME_TYPE = 7700102,
IMAGE_SOURCE_TOO_LARGE = 7700103,
IMAGE_SOURCE_UNSUPPORTED_ALLOCATOR_TYPE = 7700201,
IMAGE_SOURCE_UNSUPPORTED_OPTIONS = 7700203,
IMAGE_DECODE_FAILED = 7700301,
IMAGE_SOURCE_ALLOC_FAILED = 7700302,
IMAGE_ENCODE_FAILED = 7800301
}

Enumerates the error codes.

Image_MetadataType {
EXIF_METADATA = 1,
FRAGMENT_METADATA = 2
}

Enumerates the metadata types.

Variables

Name	Description
static const char *MIME_TYPE_BMP = "image/bmp"	BMP image format.
static const char *MIME_TYPE_JPEG = "image/jpeg"	JPEG image format.
static const char *MIME_TYPE_HEIC = "image/heic"	HEIC image format.
static const char *MIME_TYPE_PNG = "image/png"	PNG image format.
static const char *MIME_TYPE_WEBP = "image/webp"	WebP image format.
static const char *MIME_TYPE_GIF = "image/gif"	GIF image format.
static const char *MIME_TYPE_ICON = "image/x-icon"	ICO image format.
static const char *OHOS_IMAGE_PROPERTY_BITS_PER_SAMPLE = "BitsPerSample"	Number of bits per sample.
static const char *OHOS_IMAGE_PROPERTY_ORIENTATION = "Orientation"	Image orientation.
static const char *OHOS_IMAGE_PROPERTY_IMAGE_LENGTH = "ImageLength"	Image length.
static const char *OHOS_IMAGE_PROPERTY_IMAGE_WIDTH = "ImageWidth"	Image width.
static const char *OHOS_IMAGE_PROPERTY_GPS_LATITUDE = "GPSLatitude"	Image latitude.
static const char *OHOS_IMAGE_PROPERTY_GPS_LONGITUDE = "GPSLongitude"	Image longitude.
static const char *OHOS_IMAGE_PROPERTY_GPS_LATITUDE_REF = "GPSLatitudeRef"	Whether the latitude is north or south latitude.
static const char *OHOS_IMAGE_PROPERTY_GPS_LONGITUDE_REF = "GPSLongitudeRef"	Whether the longitude is east or west longitude.
static const char *OHOS_IMAGE_PROPERTY_DATE_TIME_ORIGINAL = "DateTimeOriginal"	Shooting time, for example, 2022:09:06 15:48:00.
static const char *OHOS_IMAGE_PROPERTY_EXPOSURE_TIME = "ExposureTime"	Exposure time, for example, 1/33 seconds.
static const char *OHOS_IMAGE_PROPERTY_SCENE_TYPE = "SceneType"	Type of the scene, for example, portrait, scenery, motion, and night.
static const char *OHOS_IMAGE_PROPERTY_ISO_SPEED_RATINGS = "ISOSpeedRatings"	ISO sensitivity or ISO speed, for example, 400.
static const char *OHOS_IMAGE_PROPERTY_F_NUMBER = "FNumber"	F number, for example, f/1.8.
static const char *OHOS_IMAGE_PROPERTY_COMPRESSED_BITS_PER_PIXEL = "CompressedBitsPerPixel"	Number of bits per pixel. It is specific to compressed data.
static const char *OHOS_IMAGE_PROPERTY_COMPRESSION = "Compression"	Compression scheme used on the image data.
static const char *OHOS_IMAGE_PROPERTY_PHOTOMETRIC_INTERPRETATION = "PhotometricInterpretation"	Color space of the image data, for example, RGB or YCbCr.
static const char *OHOS_IMAGE_PROPERTY_STRIP_OFFSETS = "StripOffsets"	Byte offset of each strip.
static const char *OHOS_IMAGE_PROPERTY_SAMPLES_PER_PIXEL = "SamplesPerPixel"	Number of components per pixel. The value is 3 for RGB and YCbCr images. The JPEG key is used in JPEG compressed data.
static const char *OHOS_IMAGE_PROPERTY_ROWS_PER_STRIP = "RowsPerStrip"	Number of rows per strip.
static const char *OHOS_IMAGE_PROPERTY_STRIP_BYTE_COUNTS = "StripByteCounts"	Number of bytes in each strip after compression.
static const char *OHOS_IMAGE_PROPERTY_X_RESOLUTION = "XResolution"	Number of pixels per ResolutionUnit in the image width (X) direction.
static const char *OHOS_IMAGE_PROPERTY_Y_RESOLUTION = "YResolution"	Number of pixels per ResolutionUnit in the image height (Y) direction.
static const char *OHOS_IMAGE_PROPERTY_PLANAR_CONFIGURATION = "PlanarConfiguration"	Storage format of components of each pixel, which can be chunky or planar.
static const char *OHOS_IMAGE_PROPERTY_RESOLUTION_UNIT = "ResolutionUnit"	Unit of measurement for XResolution and YResolution.
static const char *OHOS_IMAGE_PROPERTY_TRANSFER_FUNCTION = "TransferFunction"	Transfer function for the image, which is usually used for color correction.
static const char *OHOS_IMAGE_PROPERTY_SOFTWARE = "Software"	Name and version number of the software used to create the image.
static const char *OHOS_IMAGE_PROPERTY_ARTIST = "Artist"	Person who created the image.
static const char *OHOS_IMAGE_PROPERTY_WHITE_POINT = "WhitePoint"	Chromaticity of the white point of the image.
static const char *OHOS_IMAGE_PROPERTY_PRIMARY_CHROMATICITIES = "PrimaryChromaticities"	Chromaticities of the primaries of the image.
static const char *OHOS_IMAGE_PROPERTY_YCBCR_COEFFICIENTS = "YCbCrCoefficients"	Transformation from RGB to YCbCr image data.
static const char *OHOS_IMAGE_PROPERTY_YCBCR_SUB_SAMPLING = "YCbCrSubSampling"	Subsampling factors used for the chrominance components of a YCbCr image.
static const char *OHOS_IMAGE_PROPERTY_YCBCR_POSITIONING = "YCbCrPositioning"	Positioning of subsampled chrominance components relative to luminance samples.
static const char *OHOS_IMAGE_PROPERTY_REFERENCE_BLACK_WHITE = "ReferenceBlackWhite"	A pair of headroom and footroom image data values (codes) for each pixel component.
static const char *OHOS_IMAGE_PROPERTY_COPYRIGHT = "Copyright"	Copyright notice of the image.
static const char *OHOS_IMAGE_PROPERTY_JPEG_INTERCHANGE_FORMAT = "JPEGInterchangeFormat"	Offset of the SOI marker of a JPEG interchange format bitstream.
static const char *OHOS_IMAGE_PROPERTY_JPEG_INTERCHANGE_FORMAT_LENGTH = "JPEGInterchangeFormatLength"	Number of bytes of the JPEG stream.
static const char *OHOS_IMAGE_PROPERTY_EXPOSURE_PROGRAM = "ExposureProgram"	Class of the program used by the camera to set exposure when the image was captured.
static const char *OHOS_IMAGE_PROPERTY_SPECTRAL_SENSITIVITY = "SpectralSensitivity"	Spectral sensitivity of each channel of the camera.
static const char *OHOS_IMAGE_PROPERTY_OECF = "OECF"	Opto-Electric Conversion Function (OECF) specified in ISO 14524.
static const char *OHOS_IMAGE_PROPERTY_EXIF_VERSION = "ExifVersion"	Version of the supported EXIF standard.
static const char *OHOS_IMAGE_PROPERTY_DATE_TIME_DIGITIZED = "DateTimeDigitized"	Date and time when the image was stored as digital data, in the format of YYYY:MM:DD HH:MM:SS.
static const char *OHOS_IMAGE_PROPERTY_COMPONENTS_CONFIGURATION = "ComponentsConfiguration"	Specific information about compressed data.
static const char *OHOS_IMAGE_PROPERTY_SHUTTER_SPEED_VALUE = "ShutterSpeedValue"	Shutter speed, expressed in Additive System of Photographic Exposure (APEX) values.
static const char *OHOS_IMAGE_PROPERTY_BRIGHTNESS_VALUE = "BrightnessValue"	Value of brightness, expressed in APEX values.
static const char *OHOS_IMAGE_PROPERTY_MAX_APERTURE_VALUE = "MaxApertureValue"	Smallest F number of the lens.
static const char *OHOS_IMAGE_PROPERTY_SUBJECT_DISTANCE = "SubjectDistance"	Distance to the subject, in meters.
static const char *OHOS_IMAGE_PROPERTY_SUBJECT_AREA = "SubjectArea"	Location and area of the main subject in the entire scene.
static const char *OHOS_IMAGE_PROPERTY_MAKER_NOTE = "MakerNote"	Marker used by EXIF/DCF manufacturers to record any required information.
static const char *OHOS_IMAGE_PROPERTY_SUBSEC_TIME = "SubsecTime"	Tag used to record fractions of seconds for the DateTime tag.
static const char *OHOS_IMAGE_PROPERTY_SUBSEC_TIME_ORIGINAL = "SubsecTimeOriginal"	Tag used to record fractions of seconds for the DateTimeOriginal tag.
static const char *OHOS_IMAGE_PROPERTY_SUBSEC_TIME_DIGITIZED = "SubsecTimeDigitized"	Tag used to record fractions of seconds for the DateTimeDigitized tag.
static const char *OHOS_IMAGE_PROPERTY_FLASHPIX_VERSION = "FlashpixVersion"	FlashPix format version supported by an FPXR file. It is used to enhance device compatibility.
static const char *OHOS_IMAGE_PROPERTY_COLOR_SPACE = "ColorSpace"	Color space information, which is usually recorded as a color space specifier.
static const char *OHOS_IMAGE_PROPERTY_RELATED_SOUND_FILE = "RelatedSoundFile"	Name of an audio file related to the image data.
static const char *OHOS_IMAGE_PROPERTY_FLASH_ENERGY = "FlashEnergy"	Strobe energy at the time the image was captured, in Beam Candle Power Seconds (BCPS).
static const char *OHOS_IMAGE_PROPERTY_SPATIAL_FREQUENCY_RESPONSE = "SpatialFrequencyResponse"	Spatial frequency table of the camera or input device.
static const char *OHOS_IMAGE_PROPERTY_FOCAL_PLANE_X_RESOLUTION = "FocalPlaneXResolution"	Number of pixels in the image width (X) direction per FocalPlaneResolutionUnit.
static const char *OHOS_IMAGE_PROPERTY_FOCAL_PLANE_Y_RESOLUTION = "FocalPlaneYResolution"	Number of pixels in the image height (Y) direction per FocalPlaneResolutionUnit.
static const char *OHOS_IMAGE_PROPERTY_FOCAL_PLANE_RESOLUTION_UNIT = "FocalPlaneResolutionUnit"	Unit for measuring FocalPlaneXResolution and FocalPlaneYResolution.
static const char *OHOS_IMAGE_PROPERTY_SUBJECT_LOCATION = "SubjectLocation"	Location of the main subject relative to the left edge.
static const char *OHOS_IMAGE_PROPERTY_EXPOSURE_INDEX = "ExposureIndex"	Exposure index selected at the time the image is captured.
static const char *OHOS_IMAGE_PROPERTY_SENSING_METHOD = "SensingMethod"	Type of the image sensor on the camera.
static const char *OHOS_IMAGE_PROPERTY_FILE_SOURCE = "FileSource"	Image source.
static const char *OHOS_IMAGE_PROPERTY_CFA_PATTERN = "CFAPattern"	Color Filter Array (CFA) geometric pattern of the image sensor.
static const char *OHOS_IMAGE_PROPERTY_CUSTOM_RENDERED = "CustomRendered"	Special processing on image data.
static const char *OHOS_IMAGE_PROPERTY_EXPOSURE_MODE = "ExposureMode"	Exposure mode set when the image was captured.
static const char *OHOS_IMAGE_PROPERTY_DIGITAL_ZOOM_RATIO = "DigitalZoomRatio"	Digital zoom ratio when the image was captured.
static const char *OHOS_IMAGE_PROPERTY_SCENE_CAPTURE_TYPE = "SceneCaptureType"	Type of the scene that was captured.
static const char *OHOS_IMAGE_PROPERTY_GAIN_CONTROL = "GainControl"	Degree of overall image gain adjustment.
static const char *OHOS_IMAGE_PROPERTY_CONTRAST = "Contrast"	Direction of contrast processing used by the camera.
static const char *OHOS_IMAGE_PROPERTY_SATURATION = "Saturation"	Direction of saturation processing used by the camera.
static const char *OHOS_IMAGE_PROPERTY_SHARPNESS = "Sharpness"	Direction of sharpness processing used by the camera.
static const char *OHOS_IMAGE_PROPERTY_DEVICE_SETTING_DESCRIPTION = "DeviceSettingDescription"	Information about the photographing conditions of a specific camera model.
static const char *OHOS_IMAGE_PROPERTY_SUBJECT_DISTANCE_RANGE = "SubjectDistanceRange"	Distance to the subject.
static const char *OHOS_IMAGE_PROPERTY_IMAGE_UNIQUE_ID = "ImageUniqueID"	Unique identifier assigned to each image.
static const char *OHOS_IMAGE_PROPERTY_GPS_VERSION_ID = "GPSVersionID"	Version of GPSInfoIFD.
static const char *OHOS_IMAGE_PROPERTY_GPS_ALTITUDE_REF = "GPSAltitudeRef"	Whether the latitude is north or south latitude.
static const char *OHOS_IMAGE_PROPERTY_GPS_ALTITUDE = "GPSAltitude"	Altitude based on the reference in GPSAltitudeRef.
static const char *OHOS_IMAGE_PROPERTY_GPS_SATELLITES = "GPSSatellites"	GPS satellites used for measurement.
static const char *OHOS_IMAGE_PROPERTY_GPS_STATUS = "GPSStatus"	Status of the GPS receiver when the image was recorded.
static const char *OHOS_IMAGE_PROPERTY_GPS_MEASURE_MODE = "GPSMeasureMode"	GPS measurement pmode.
static const char *OHOS_IMAGE_PROPERTY_GPS_DOP = "GPSDOP"	GPS DOP (data degree of precision)
static const char *OHOS_IMAGE_PROPERTY_GPS_SPEED_REF = "GPSSpeedRef"	Unit used to express the movement speed of the GPS receiver.
static const char *OHOS_IMAGE_PROPERTY_GPS_SPEED = "GPSSpeed"	Movement speed of the GPS receiver.
static const char *OHOS_IMAGE_PROPERTY_GPS_TRACK_REF = "GPSTrackRef"	Reference of the movement direction of the GPS receiver.
static const char *OHOS_IMAGE_PROPERTY_GPS_TRACK = "GPSTrack"	Movement direction of the GPS receiver.
static const char *OHOS_IMAGE_PROPERTY_GPS_IMG_DIRECTION_REF = "GPSImgDirectionRef"	Reference of the direction of the image when it was captured.
static const char *OHOS_IMAGE_PROPERTY_GPS_IMG_DIRECTION = "GPSImgDirection"	Direction of the image when it was captured.
static const char *OHOS_IMAGE_PROPERTY_GPS_MAP_DATUM = "GPSMapDatum"	Geodetic survey data used by the GPS receiver.
static const char *OHOS_IMAGE_PROPERTY_GPS_DEST_LATITUDE_REF = "GPSDestLatitudeRef"	Whether the latitude of the destination point is north or south latitude.
static const char *OHOS_IMAGE_PROPERTY_GPS_DEST_LATITUDE = "GPSDestLatitude"	Latitude of the destination point.
static const char *OHOS_IMAGE_PROPERTY_GPS_DEST_LONGITUDE_REF = "GPSDestLongitudeRef"	Whether the longitude of the destination point is east or west longitude.
static const char *OHOS_IMAGE_PROPERTY_GPS_PROCESSING_METHOD = "GPSProcessingMethod"	String that records the name of the method used for positioning.
static const char *OHOS_IMAGE_PROPERTY_GPS_AREA_INFORMATION = "GPSAreaInformation"	String that records the name of the GPS area.
static const char *OHOS_IMAGE_PROPERTY_GPS_DIFFERENTIAL = "GPSDifferential"	Whether differential correction is applied to the GPS receiver. It is critical to accurate location accuracy.
static const char *OHOS_IMAGE_PROPERTY_BODY_SERIAL_NUMBER = "BodySerialNumber"	Serial number of the camera body.
static const char *OHOS_IMAGE_PROPERTY_CAMERA_OWNER_NAME = "CameraOwnerName"	Name of the camera owner.
static const char *OHOS_IMAGE_PROPERTY_COMPOSITE_IMAGE = "CompositeImage"	Whether the image is a composite image.
static const char *OHOS_IMAGE_PROPERTY_DNG_VERSION = "DNGVersion"	DNG version. It encodes the DNG 4-tier version number.
static const char *OHOS_IMAGE_PROPERTY_GPS_DEST_LONGITUDE = "GPSDestLongitude"	Longitude of the destination point.
static const char *OHOS_IMAGE_PROPERTY_GPS_DEST_BEARING_REF = "GPSDestBearingRef"	Reference of the bearing to the destination point.
static const char *OHOS_IMAGE_PROPERTY_GPS_DEST_BEARING = "GPSDestBearing"	Bearing to the destination point.
static const char *OHOS_IMAGE_PROPERTY_GPS_DEST_DISTANCE_REF = "GPSDestDistanceRef"	Unit used to express the distance to the destination point.
static const char *OHOS_IMAGE_PROPERTY_GPS_DEST_DISTANCE = "GPSDestDistance"	Distance to the destination point.
static const char *OHOS_IMAGE_PROPERTY_DEFAULT_CROP_SIZE = "DefaultCropSize"	Size of the final image area, in raw image coordinates, taking into account extra pixels around the edges of the final image.
static const char *OHOS_IMAGE_PROPERTY_GAMMA = "Gamma"	Gamma value.
static const char *OHOS_IMAGE_PROPERTY_ISO_SPEED_LATITUDEYYY = "ISOSpeedLatitudeyyy"	ISO speed latitude yyy value of the camera or input device, which is defined in ISO 12232.
static const char *OHOS_IMAGE_PROPERTY_ISO_SPEED_LATITUDEZZZ = "ISOSpeedLatitudezzz"	ISO speed latitude zzz value of the camera or input device, which is defined in ISO 12232.
static const char *OHOS_IMAGE_PROPERTY_LENS_MAKE = "LensMake"	Manufacturer of the lens.
static const char *OHOS_IMAGE_PROPERTY_LENS_MODEL = "LensModel"	Model of the lens.
static const char *OHOS_IMAGE_PROPERTY_LENS_SERIAL_NUMBER = "LensSerialNumber"	Serial number of the lens.
static const char *OHOS_IMAGE_PROPERTY_LENS_SPECIFICATION = "LensSpecification"	Specifications of the lens.
static const char *OHOS_IMAGE_PROPERTY_NEW_SUBFILE_TYPE = "NewSubfileType"	Data type of a subfile, such as a full-resolution image, a thumbnail, or a part of a multi-frame image. The value is a bit mask. The value 0 indicates a full-resolution image, 1 indicates a thumbnail, and 2 indicates a part of a multi-frame image.
static const char *OHOS_IMAGE_PROPERTY_OFFSET_TIME = "OffsetTime"	Time with an offset from UTC when the image was captured, in the format of ±HH:MM.
static const char *OHOS_IMAGE_PROPERTY_OFFSET_TIME_DIGITIZED = "OffsetTimeDigitized"	Time with an offset from UTC when the image was digitized. It helps to accurately adjust the timestamp.
static const char *OHOS_IMAGE_PROPERTY_OFFSET_TIME_ORIGINAL = "OffsetTimeOriginal"	Time with an offset from UTC when the original image was created. It is critical for time-sensitive applications.
static const char *OHOS_IMAGE_PROPERTY_SOURCE_EXPOSURE_TIMES_OF_COMPOSITE_IMAGE = "SourceExposureTimesOfCompositeImage"	Exposure time of source images of the composite image.
static const char *OHOS_IMAGE_PROPERTY_SOURCE_IMAGE_NUMBER_OF_COMPOSITE_IMAGE = "SourceImageNumberOfCompositeImage"	Number of source images of the composite image.
static const char *OHOS_IMAGE_PROPERTY_SUBFILE_TYPE = "SubfileType"	Type of data contained in this subfile. This tag has been deprecated. Use NewSubfileType instead.
static const char *OHOS_IMAGE_PROPERTY_GPS_H_POSITIONING_ERROR = "GPSHPositioningError"	Horizontal positioning error, in meters.
static const char *OHOS_IMAGE_PROPERTY_PHOTOGRAPHIC_SENSITIVITY = "PhotographicSensitivity"	Sensitivity of the camera or input device when the image was captured.
static const char *OHOS_IMAGE_PROPERTY_BURST_NUMBER = "HwMnoteBurstNumber"	Number of burst shooting times.
static const char *OHOS_IMAGE_PROPERTY_FACE_CONF = "HwMnoteFaceConf"	Face confidence.
static const char *OHOS_IMAGE_PROPERTY_FACE_LEYE_CENTER = "HwMnoteFaceLeyeCenter"	Left eye centered. It is used in OH_ImageSource_GetImageProperty and OH_ImageSource_ModifyImageProperty.
static const char *OHOS_IMAGE_PROPERTY_FACE_MOUTH_CENTER = "HwMnoteFaceMouthCenter"	Mouth centered.
static const char *OHOS_IMAGE_PROPERTY_FACE_POINTER = "HwMnoteFacePointer"	Face pointer.
static const char *OHOS_IMAGE_PROPERTY_FACE_RECT = "HwMnoteFaceRect"	Face rectangle.
static const char *OHOS_IMAGE_PROPERTY_FACE_REYE_CENTER = "HwMnoteFaceReyeCenter"	Right eye centered.
static const char *OHOS_IMAGE_PROPERTY_FACE_SMILE_SCORE = "HwMnoteFaceSmileScore"	Smile score of for faces.
static const char *OHOS_IMAGE_PROPERTY_FACE_VERSION = "HwMnoteFaceVersion"	Facial recognition algorithm version.
static const char *OHOS_IMAGE_PROPERTY_FRONT_CAMERA = "HwMnoteFrontCamera"	Whether the front camera is used to take a selfie.
static const char *OHOS_IMAGE_PROPERTY_SCENE_POINTER = "HwMnoteScenePointer"	Pointer to the scene.
static const char *OHOS_IMAGE_PROPERTY_SCENE_VERSION = "HwMnoteSceneVersion"	Scene algorithm version.
static const char *OHOS_IMAGE_PROPERTY_GIF_LOOP_COUNT = "GIFLoopCount"	Number of GIF loops.
static const char *OHOS_IMAGE_PROPERTY_X_IN_ORIGINAL = "XInOriginal"	X coordinate of the upper left corner of the fragment map in the original image.
static const char *OHOS_IMAGE_PROPERTY_Y_IN_ORIGINAL = "YInOriginal"	Y coordinate of the upper left corner of the fragment map in the original image.
static const char *OHOS_IMAGE_PROPERTY_FRAGMENT_WIDTH = "FragmentImageWidth"	Width of the fragment map.
static const char *OHOS_IMAGE_PROPERTY_FRAGMENT_HEIGHT = "FragmentImageHeight"	Height of the fragment map.

Functions

Name	Description
Image_ErrorCode OH_PictureMetadata_Create (Image_MetadataType metadataType, OH_PictureMetadata **metadata)	Creates the pointer to an OH_PictureMetadata struct.
Image_ErrorCode OH_PictureMetadata_GetProperty (OH_PictureMetadata metadata, Image_String key, Image_String *value)	Obtains a property of metadata based on the key.
Image_ErrorCode OH_PictureMetadata_SetProperty (OH_PictureMetadata metadata, Image_String key, Image_String *value)	Sets a property of metadata based on the key.
Image_ErrorCode OH_PictureMetadata_Release (OH_PictureMetadata *metadata)	Releases the pointer to an OH_PictureMetadata struct.
Image_ErrorCode OH_PictureMetadata_Clone (OH_PictureMetadata oldMetadata, OH_PictureMetadata *newMetadata)	Clones metadata.