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+/*
+* Copyright (C) 2021 Huawei Device Co., Ltd.
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+import { AsyncCallback } from './basic';
+
+/**
+ * @name image
+ * @since 6
+ * @SysCap SystemCapability.Multimedia.Image
+ * @import import image from '@ohos.multimedia.image';
+ * @devices phone, tablet, tv, wearable, car
+ */
+declare namespace image {
+
+  /**
+   * Enumerates pixel map formats.
+   * @since 7
+   * @SysCap SystemCapability.Multimedia.Image
+   * @import import image from '@ohos.multimedia.image'
+   * @devices phone, tablet, tv, wearable, car
+   */
+  enum PixelMapFormat {
+    /**
+     * Indicates an unknown format.
+     */
+    UNKNOWN = 0,
+
+    /**
+     * Indicates that each pixel is stored on 16 bits. Only the R, G, and B components are encoded
+     * from the higher-order to the lower-order bits: red is stored with 5 bits of precision,
+     * green is stored with 6 bits of precision, and blue is stored with 5 bits of precision.
+     */
+    RGB_565 = 2,
+
+    /**
+     * Indicates that each pixel is stored on 32 bits. Components R, G, B, and A each occupies 8 bits
+     * and are stored from the higher-order to the lower-order bits.
+     */
+    RGBA_8888 = 3,
+  }
+
+  /**
+   * Describes the size of an image.
+   */
+  interface Size {
+    /**
+     * Height
+     * @since 6
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     */
+    height: number;
+
+    /**
+     * Width
+     * @since 6
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     */
+    width: number;
+  }
+
+  /**
+   * Enumerates exchangeable image file format (Exif) information types of an image.
+   * @since 7
+   * @SysCap SystemCapability.Multimedia.Image
+   * @import import image from '@ohos.multimedia.image'
+   * @devices phone, tablet, tv, wearable, car
+   */
+  enum PropertyKey {
+    /**
+     * Number of bits in each pixel of an image.
+     */
+    BITS_PER_SAMPLE = "BitsPerSample",
+
+    /**
+     * Image rotation mode.
+     */
+    ORIENTATION = "Orientation",
+
+    /**
+     * Image length.
+     */
+    IMAGE_LENGTH = "ImageLength",
+
+    /**
+     * Image width.
+     */
+    IMAGE_WIDTH = "ImageWidth",
+
+    /**
+     * GPS latitude.
+     */
+    GPS_LATITUDE = "GPSLatitude",
+
+    /**
+     * GPS longitude.
+     */
+    GPS_LONGITUDE = "GPSLongitude",
+
+    /**
+     * GPS latitude reference. For example, N indicates north latitude and S indicates south latitude.
+     */
+    GPS_LATITUDE_REF = "GPSLatitudeRef",
+
+    /**
+     * GPS longitude reference. For example, E indicates east longitude and W indicates west longitude.
+     */
+    GPS_LONGITUDE_REF = "GPSLongitudeRef"
+  }
+
+  /**
+   * Describes region information.
+   */
+  interface Region {
+    /**
+     * Image size.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     */
+    size: Size;
+
+    /**
+     * x-coordinate at the upper left corner of the image.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     */
+    x: number;
+
+    /**
+     * y-coordinate at the upper left corner of the image.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     */
+    y: number;
+  }
+
+  /**
+   * Describes area information in an image.
+   */
+  interface PositionArea {
+    /**
+     * Image data that will be read or written.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     */
+    pixels: ArrayBuffer;
+
+    /**
+     * Offset for data reading.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     */
+    offset: number;
+
+    /**
+     * Number of bytes to read.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     */
+    stride: number;
+
+    /**
+     * Region to read.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     */
+    region: Region;
+  }
+
+  /**
+   * Describes image information.
+   */
+  interface ImageInfo {
+    /**
+     * Indicates image dimensions specified by a {@link Size} interface.
+     * @since 6
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     */
+    size: Size;
+  }
+
+  /**
+   * Describes the option for image packing.
+   */
+  interface PackingOption {
+    /**
+     * Multipurpose Internet Mail Extensions (MIME) format of the target image, for example, image/jpeg.
+     * @since 6
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     */
+    format: string;
+
+    /**
+     * Quality of the target image. The value is an integer ranging from 0 to 100. A larger value indicates better
+     * image quality but larger space occupied.
+     * @since 6
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     */
+    quality: number;
+  }
+
+  /**
+   * Describes image properties.
+   */
+  interface GetImagePropertyOptions {
+    /**
+     * Index of an image.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     */
+    index?: number;
+
+    /**
+     * Default property value.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     */
+    defaultValue?: string;
+  }
+
+  /**
+   * Describes image decoding parameters.
+   */
+  interface DecodingOptions {
+    /**
+     * Number of image frames.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     */
+    index?: number;
+
+    /**
+     * Sampling ratio of the image pixel map.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     */
+    sampleSize?: number;
+
+    /**
+     * Rotation angle of the image pixel map. The value ranges from 0 to 360.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     */
+    rotate?: number;
+
+    /**
+     * Whether the image pixel map is editable.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     */
+    editable?: boolean;
+
+    /**
+     * Width and height of the image pixel map. The value (0, 0) indicates that the pixels are decoded
+     * based on the original image size.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     */
+    desiredSize?: Size;
+
+    /**
+     * Cropping region of the image pixel map.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     */
+    desiredRegion?: Region;
+
+    /**
+     * Data format of the image pixel map.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     */
+    desiredPixelFormat?: PixelMapFormat;
+  }
+
+  /**
+   * Creates an ImageSource instance based on the URI.
+   * @since 6
+   * @SysCap SystemCapability.Multimedia.Image
+   * @devices phone, tablet, tv, wearable, car
+   * @import import image from '@ohos.multimedia.image'
+   * @param uri Image source URI.
+   * @return Returns the ImageSource instance if the operation is successful; returns null otherwise.
+   */
+  function createImageSource(uri: string): ImageSource;
+
+  /**
+   * Creates an ImageSource instance based on the file descriptor.
+   * @since 7
+   * @SysCap SystemCapability.Multimedia.Image
+   * @devices phone, tablet, tv, wearable, car
+   * @import import image from '@ohos.multimedia.image'
+   * @param fd ID of a file descriptor.
+   * @return Returns the ImageSource instance if the operation is successful; returns null otherwise.
+   */
+  function createImageSource(fd: number): ImageSource;
+
+  /**
+   * Creates an ImagePacker instance.
+   * @since 6
+   * @SysCap SystemCapability.Multimedia.Image
+   * @devices phone, tablet, tv, wearable, car
+   * @import import image from '@ohos.multimedia.image'
+   * @return Returns the ImagePacker instance if the operation is successful; returns null otherwise.
+   */
+  function createImagePacker(): ImagePacker;
+
+  interface PixelMap {
+    /**
+     * Whether the image pixel map can be edited.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     */
+    readonly isEditable: boolean;
+
+    /**
+     * Reads image pixel map data and writes the data to an ArrayBuffer. This method uses
+     * a promise to return the result.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param dst A buffer to which the image pixel map data will be written.
+     * @return A Promise instance used to return the operation result. If the operation fails, an error message is returned.
+     */
+    readPixelsToBuffer(dst: ArrayBuffer): Promise<void>;
+
+    /**
+     * Reads image pixel map data and writes the data to an ArrayBuffer. This method uses
+     * a callback to return the result.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param dst A buffer to which the image pixel map data will be written.
+     * @param callback Callback used to return the operation result. If the operation fails, an error message is returned.
+     */
+    readPixelsToBuffer(dst: ArrayBuffer, callback: AsyncCallback<void>): void;
+
+    /**
+     * Reads image pixel map data in an area. This method uses a promise to return the data read.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param area Area from which the image pixel map data will be read.
+     * @return A Promise instance used to return the operation result. If the operation fails, an error message is returned.
+     */
+    readPixels(area: PositionArea): Promise<void>;
+
+    /**
+     * Reads image pixel map data in an area. This method uses a callback to return the data read.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param area Area from which the image pixel map data will be read.
+     * @param callback Callback used to return the operation result. If the operation fails, an error message is returned.
+     */
+    readPixels(area: PositionArea, callback: AsyncCallback<void>): void;
+
+    /**
+     * Writes image pixel map data to the specified area. This method uses a promise to return
+     * the operation result.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param area Area to which the image pixel map data will be written.
+     * @return A Promise instance used to return the operation result. If the operation fails, an error message is returned.
+     */
+    writePixels(area: PositionArea): Promise<void>;
+
+    /**
+     * Writes image pixel map data to the specified area. This method uses a callback to return
+     * the operation result.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param area Area to which the image pixel map data will be written.
+     * @param callback Callback used to return the operation result. If the operation fails, an error message is returned.
+     */
+    writePixels(area: PositionArea, callback: AsyncCallback<void>): void;
+
+    /**
+     * Reads image data in an ArrayBuffer and writes the data to a PixelMap object. This method
+     * uses a promise to return the result.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param src A buffer from which the image data will be read.
+     * @return A Promise instance used to return the operation result. If the operation fails, an error message is returned.
+     */
+    writeBufferToPixels(src: ArrayBuffer): Promise<void>;
+
+    /**
+     * Reads image data in an ArrayBuffer and writes the data to a PixelMap object. This method
+     * uses a callback to return the result.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param src A buffer from which the image data will be read.
+     * @param callback Callback used to return the operation result. If the operation fails, an error message is returned.
+     */
+    writeBufferToPixels(src: ArrayBuffer, callback: AsyncCallback<void>): void;
+
+    /**
+     * Obtains pixel map information about this image. This method uses a promise to return the information.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @return A Promise instance used to return the image pixel map information. If the operation fails, an error message is returned.
+     */
+    getImageInfo(): Promise<ImageInfo>;
+
+    /**
+     * Obtains pixel map information about this image. This method uses a callback to return the information.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param callback Callback used to return the image pixel map information. If the operation fails, an error message is returned.
+     */
+    getImageInfo(callback: AsyncCallback<ImageInfo>): void;
+
+    /**
+     * Obtains the number of bytes in each line of the image pixel map.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @return Number of bytes in each line.
+     */
+    getBytesNumberPerRow(): number;
+
+    /**
+     * Obtains the total number of bytes of the image pixel map.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @return Total number of bytes.
+     */
+    getPixelBytesNumber(): number;
+
+    /**
+     * Releases this PixelMap object. This method uses a callback to return the result.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param callback Callback invoked for instance release. If the operation fails, an error message is returned.
+     */
+    release(callback: AsyncCallback<void>): void;
+
+    /**
+     * Releases this PixelMap object. This method uses a promise to return the result.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @return A Promise instance used to return the instance release result. If the operation fails, an error message is returned.
+     */
+    release(): Promise<void>;
+  }
+
+  interface ImageSource {
+    /**
+     * Obtains information about an image with the specified sequence number and uses a callback
+     * to return the result.
+     * @since 6
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param index Sequence number of an image.
+     * @param callback Callback used to return the image information.
+     */
+    getImageInfo(index: number, callback: AsyncCallback<ImageInfo>): void;
+
+    /**
+     * Obtains information about this image and uses a callback to return the result.
+     * @since 6
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param callback Callback used to return the image information.
+     */
+    getImageInfo(callback: AsyncCallback<ImageInfo>): void;
+
+    /**
+     * Get image information from image source.
+     * @since 6
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param index Sequence number of an image. If this parameter is not specified, the default value 0 is used.
+     * @return A Promise instance used to return the image information.
+     */
+    getImageInfo(index?: number): Promise<ImageInfo>;
+
+    /**
+     * Creates a PixelMap object based on image decoding parameters. This method uses a promise to
+     * return the object.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param options Image decoding parameters.
+     * @return A Promise instance used to return the PixelMap object.
+     */
+    createPixelMap(options?: DecodingOptions): Promise<PixelMap>;
+    
+    /**
+     * Creates a PixelMap object. This method uses a callback to return the object.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param callback Callback used to return the PixelMap object.
+     */
+    createPixelMap(callback: AsyncCallback<PixelMap>): void;
+
+    /**
+     * Creates a PixelMap object based on image decoding parameters. This method uses a callback to
+     * return the object.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param options Image decoding parameters.
+     * @param callback Callback used to return the PixelMap object.
+     */
+    createPixelMap(options: DecodingOptions, callback: AsyncCallback<PixelMap>): void;
+
+    /**
+     * Obtains the value of a property in an image with the specified index. This method uses a
+     * promise to return the property value in a string.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param key Name of the property whose value is to be obtained.
+     * @param options Index of the image.
+     * @return A Promise instance used to return the property value. If the operation fails, the default value is returned.
+     */
+    getImageProperty(key:string, options?: GetImagePropertyOptions): Promise<string>;
+
+    /**
+     * Obtains the value of a property in this image. This method uses a callback to return the
+     * property value in a string.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param key Name of the property whose value is to be obtained.
+     * @param callback Callback used to return the property value. If the operation fails, an error message is returned.
+     */
+    getImageProperty(key:string, callback: AsyncCallback<string>): void;
+	
+    /**
+     * Obtains the value of a property in an image with the specified index. This method uses
+     * a callback to return the property value in a string.
+     * @since 7
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param key Name of the property whose value is to be obtained.
+     * @param options Index of the image.
+     * @param callback Callback used to return the property value. If the operation fails, the default value is returned.
+     */
+    getImageProperty(key:string, options: GetImagePropertyOptions, callback: AsyncCallback<string>): void;
+
+    /**
+     * Releases an ImageSource instance and uses a callback to return the result.
+     * @since 6
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param callback Callback to return the operation result.
+     */
+    release(callback: AsyncCallback<void>): void;
+
+    /**
+     * Releases an ImageSource instance and uses a promise to return the result.
+     * @since 6
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @return A Promise instance used to return the operation result.
+     */
+    release(): Promise<void>;
+
+    /**
+     * Supported image formats.
+     * @since 6
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     */
+    readonly supportedFormats: Array<string>;
+  }
+
+  interface ImagePacker {
+    /**
+     * Compresses or packs an image and uses a callback to return the result.
+     * @since 6
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param source Image to be processed.
+     * @param option Option for image packing.
+     * @param callback Callback used to return the packed data.
+     */
+    packing(source: ImageSource, option: PackingOption, callback: AsyncCallback<ArrayBuffer>): void;
+
+    /**
+     * Compresses or packs an image and uses a promise to return the result.
+     * @since 6
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param source Image to be processed.
+     * @param option Option for image packing.
+     * @return A Promise instance used to return the compressed or packed data.
+     */
+    packing(source: ImageSource, option: PackingOption): Promise<ArrayBuffer>;
+
+    /**
+     * Releases an ImagePacker instance and uses a callback to return the result.
+     * @since 6
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @param callback Callback to return the operation result.
+     */
+    release(callback: AsyncCallback<void>): void;
+
+    /**
+     * Releases an ImagePacker instance and uses a promise to return the result.
+     * @since 6
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     * @return A Promise instance used to return the operation result.
+     */
+    release(): Promise<void>;
+
+    /**
+     * Supported image formats.
+     * @since 6
+     * @SysCap SystemCapability.Multimedia.Image
+     * @devices phone, tablet, tv, wearable, car
+     * @import import image from '@ohos.multimedia.image'
+     */
+    readonly supportedFormats: Array<string>;
+  }
+}
+
+export default image;
\ No newline at end of file