diff --git a/api/@internal/component/ets/canvas.d.ts b/api/@internal/component/ets/canvas.d.ts
index c860017b28383edc2dfdf8dc806ea002d3ca3ab6..75771b8d2922056f16fae853c985ba3d2f5e7a41 100644
--- a/api/@internal/component/ets/canvas.d.ts
+++ b/api/@internal/component/ets/canvas.d.ts
@@ -701,6 +701,16 @@ declare class CanvasRenderer extends CanvasPath {
    */
   getImageData(sx: number, sy: number, sw: number, sh: number): ImageData;
 
+  /**
+   * Obtains the PixelMap of a specified area on the current canvas.
+   * @param sx x coordinate of the upper left corner of the rectangular area of the PixelMap to be extracted.
+   * @param sy y coordinate of the upper left corner of the rectangular area of the PixelMap to be extracted.
+   * @param sw The width of the rectangular area of the PixelMap to be extracted.
+   * @param sh The height of the rectangular area of the PixelMap to be extracted.
+   * @since 8
+   */
+  getPixelMap(sx: number, sy: number, sw: number, sh: number): PixelMap;
+
   /**
    * Draws the specified ImageData object onto the canvas
    * @param imagedata ImageData object to be drawn.