!454 判断loadSrc传入pixelmap类型处增加保护

Merge pull request !454 from zgf/master

CHANGELOG.md

@@ -2,6 +2,7 @@
 - Fix bug: CropTransformation is used to crop the original image
 - Fix bug: After calling the clear all file cache interfaces, the file cache becomes invalid 
 - Optimize the efficiency of file cache initialization.
+- Add protection at the location where loadSrc is passed in the pixelmap type
 
 ## 3.2.0
 - When successfully requesting the network, return the httpcode as well

library/src/main/ets/ImageKnifeDispatcher.ets

@@ -51,7 +51,7 @@ export class ImageKnifeDispatcher {
     LogUtil.log('showFromMemomry.start:' + request.componentId  + ',srcType:' + requestSource + ',version:' + request.componentVersion + ' isAnimator=' + isAnimator)
     let memoryCache: ImageKnifeData | undefined;
     let memoryCheckStartTime = Date.now();
-    if ((typeof (request.imageKnifeOption.loadSrc as image.PixelMap).isEditable) == 'boolean') {
+    if ((typeof (request.imageKnifeOption.loadSrc as image.PixelMap)?.isEditable) == 'boolean') {
       memoryCache = {
         source: request.imageKnifeOption.loadSrc as image.PixelMap,
         imageWidth: 0,