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+/*
+ * Copyright (C) 2025 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.
+ */
+
+/**
+ * @file Provides the capability of image quality processing.
+ * @kit ImageKit
+ */
+
+import image from './@ohos.multimedia.image';
+
+/**
+ * This module provides the capability of content processing for images, including image scaling.
+ * @namespace videoprocessingengine
+ * @syscap SystemCapability.Multimedia.VideoProcessingEngine
+ * @crossplatform
+ * @form
+ * @since 14
+ */
+declare namespace videoprocessingengine {
+  /**
+   * Levels of processing quality for detail enhancement.
+   * @enum {number}
+   * @syscap SystemCapability.Multimedia.VideoProcessingEngine
+   * @crossplatform
+   * @form
+   * @since 14
+   */
+  enum QualityLevel {
+    /**
+     * No detail enhancement.
+     * @syscap SystemCapability.Multimedia.VideoProcessingEngine
+     * @crossplatform
+     * @form
+     * @since 14
+     */
+    NONE = 0,
+    /**
+     * A low level of detail enhancement quality but with a fast speed. It's the default level.
+     * @syscap SystemCapability.Multimedia.VideoProcessingEngine
+     * @crossplatform
+     * @form
+     * @since 14
+     */
+    LOW = 1,
+    /**
+     * A medium level of detail enhancement quality. Its speed is between the low setting and high setting.
+     * @syscap SystemCapability.Multimedia.VideoProcessingEngine
+     * @crossplatform
+     * @form
+     * @since 14
+     */
+    MEDIUM = 2,
+    /**
+     * A high level of detail enhancement quality but with a relatively slow speed.
+     * @syscap SystemCapability.Multimedia.VideoProcessingEngine
+     * @crossplatform
+     * @form
+     * @since 14
+     */
+    HIGH = 3
+  }
+
+  /**
+   * Provides the ImageProcessor type, including the processing function.
+   * @typedef ImageProcessor
+   * @syscap SystemCapability.Multimedia.VideoProcessingEngine
+   * @crossplatform
+   * @form
+   * @since 14
+   */
+  interface ImageProcessor {
+    /**
+     * The function generate the destinationImage from sourceImage with necessary scaling operation
+     * <br>according to width and height. Different levels of scaling methonds are provided to
+     * <br>balance performance and image quality. This method uses a promise to return the result.
+     * @param { image.PixelMap } sourceImage - The source pixelmap.
+     * @param { number } width - The zoom value of width.
+     * @param { number } height - The zoom value of height.
+     * @param { QualityLevel } [level] - The quality level.
+     * @returns { Promise<image.PixelMap> } A Promise instance used to return the PixelMap object.
+     * @throws { BusinessError } 29200007 - Out of memory.
+     * @throws { BusinessError } 29200009 - Input value is invalid. This error is returned for
+     * <br>all of the following error conditions:
+     * <br>1 - Invalid input or output image buffer - The image buffer width(height)
+     * <br>is too large or colorspace is incorrect.
+     * <br>2 - Invalid parameter - The parameter does not contain valid information,
+     * <br>such as detail enhancer level is incorrect.
+     * @syscap SystemCapability.Multimedia.VideoProcessingEngine
+     * @crossplatform
+     * @form
+     * @since 14
+     */
+    enhanceDetail(sourceImage: image.PixelMap, width: number, height: number, level?: QualityLevel): Promise<image.PixelMap>;
+
+    /**
+     * The function generate the destinationImage from sourceImage with necessary scaling operation
+     * <br>according to width and height. Different levels of scaling methonds are provided to
+     * <br>balance performance and image quality.
+     * @param { image.PixelMap } sourceImage - The source pixelmap.
+     * @param { number } width - The zoom value of width.
+     * @param { number } height - The zoom value of height.
+     * @param { QualityLevel } [level] - The quality level.
+     * @returns { image.PixelMap } Returns the destination pixelmap instance .
+     * <br>if the operation is successful; Otherwise, return undefined.
+     * @throws { BusinessError } 29200004 - Failed to process image buffer. For example, the processing times out.
+     * @throws { BusinessError } 29200007 - Out of memory.
+     * @throws { BusinessError } 29200009 - Input value is invalid. This error is returned for
+     * <br>all of the following error conditions:
+     * <br>1 - Invalid input or output image buffer - The image buffer width(height)
+     * <br>is too large or colorspace is incorrect.
+     * <br>2 - Invalid parameter - The parameter does not contain valid information,
+     * <br>such as detail enhancer level is incorrect.
+     * @syscap SystemCapability.Multimedia.VideoProcessingEngine
+     * @crossplatform
+     * @form
+     * @since 14
+     */
+    enhanceDetailSync(sourceImage: image.PixelMap, width: number, height: number, level?: QualityLevel): image.PixelMap;
+
+    /**
+     * The function generate the destinationImage from sourceImage with necessary scaling operation
+     * <br>according to the zoom ratio. Different levels of scaling methonds are provided to
+     * <br>balance performance and image quality. This method uses a promise to return the result.
+     * @param { image.PixelMap } sourceImage - The source pixelmap.
+     * @param { number } scale - The zoom ratio.
+     * @param { QualityLevel } [level] - The quality level.
+     * @returns { Promise<image.PixelMap> } A Promise instance used to return the PixelMap object.
+     * @throws { BusinessError } 29200007 - Out of memory.
+     * @throws { BusinessError } 29200009 - Input value is invalid. This error is returned for
+     * <br>all of the following error conditions:
+     * <br>1 - Invalid input or output image buffer - The image buffer width(height)
+     * <br>is too large or colorspace is incorrect.
+     * <br>2 - Invalid parameter - The parameter does not contain valid information,
+     * <br>such as detail enhancer level is incorrect.
+     * @syscap SystemCapability.Multimedia.VideoProcessingEngine
+     * @crossplatform
+     * @form
+     * @since 14
+     */
+    enhanceDetail(sourceImage: image.PixelMap, scale: number, level?: QualityLevel): Promise<image.PixelMap>;
+
+    /**
+     * The function generate the destinationImage from sourceImage with necessary scaling operation
+     * <br>according to the zoom ratio. Different levels of scaling methonds are provided to
+     * <br>balance performance and image quality.
+     * @param { image.PixelMap } sourceImage - The source pixelmap.
+     * @param { number } scale - The zoom ratio.
+     * @param { QualityLevel } [level] - The quality level.
+     * @returns { image.PixelMap } Returns the destination pixelmap instance
+     * <br>if the operation is successful; Otherwise, return undefined.
+     * @throws { BusinessError } 29200004 - Failed to process image buffer. For example, the processing times out.
+     * @throws { BusinessError } 29200007 - Out of memory.
+     * @throws { BusinessError } 29200009 - Input value is invalid. This error is returned for
+     * <br>all of the following error conditions:
+     * <br>1 - Invalid input or output image buffer - The image buffer width(height)
+     * <br>is too large or colorspace is incorrect.
+     * <br>2 - Invalid parameter - The parameter does not contain valid information,
+     * <br>such as detail enhancer level is incorrect.
+     * @syscap SystemCapability.Multimedia.VideoProcessingEngine
+     * @crossplatform
+     * @form
+     * @since 14
+     */
+    enhanceDetailSync(sourceImage: image.PixelMap, scale: number, level?: QualityLevel): image.PixelMap;
+  }
+
+  /**
+   * Initialize global environment for image processing.
+   * @returns { Promise<void> } A Promise instance used to return the operation result.
+   * If the operation fails, an error message is returned.
+   * @throws { BusinessError } 29200002 - The global environment initialization for image processing failed,
+   * <br>such as failure to initialize the GPU environment.
+   * @throws { BusinessError } 29200006 - The operation is not permitted. This may be caused by incorrect status.
+   * @throws { BusinessError } 29200007 - Out of memory.
+   * @syscap SystemCapability.Multimedia.VideoProcessingEngine
+   * @crossplatform
+   * @form
+   * @since 14
+   */
+  function initializeEnvironment(): Promise<void>;
+  /**
+   * Deinitialize global environment for image processing.
+   * @returns { Promise<void> } A Promise instance used to return the operation result.
+   * If the operation fails, an error message is returned.
+   * @throws { BusinessError } 29200006 - The operation is not permitted. This may be caused by incorrect status.
+   * @syscap SystemCapability.Multimedia.VideoProcessingEngine
+   * @crossplatform
+   * @form
+   * @since 14
+   */
+  function deinitializeEnvironment(): Promise<void>;
+  /**
+   * Create an image processing instance.
+   * @returns { ImageProcessor } Returns the ImageProcessor instance if
+   * <br>the operation is successful; returns null otherwise.
+   * @throws { BusinessError } 29200003 - Failed to create image processing instance. For example,
+   * <br>the number of instances exceeds the upper limit.
+   * @throws { BusinessError } 29200007 - Out of memory.
+   * @syscap SystemCapability.Multimedia.VideoProcessingEngine
+   * @crossplatform
+   * @form
+   * @since 14
+   */
+  function create(): ImageProcessor;
+}
+
+export default videoprocessingengine;