imageKnife支持heic格式图片

Signed-off-by: 18829029633 <18829029633@163.com>

entry/src/main/ets/pages/testImageKnifeOptionChangedPage.ets

@@ -37,6 +37,16 @@ struct TestImageKnifeOptionChangedPage {
   build() {
     Scroll() {
       Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
+        Flex({direction:FlexDirection.Row}){
+          Button('本地heic')
+            .onClick(()=>{
+              this.imageKnifeOption1 = {
+                loadSrc: $r('app.media.yunHeic'),
+                placeholderSrc: $r('app.media.icon_loading'),
+                errorholderSrc: $r('app.media.icon_failed'),
+              };
+            }).margin({left:5}).backgroundColor(Color.Blue)
+        }
         Flex({direction:FlexDirection.Row}){
            Button('本地jpg')
           .onClick(()=>{

library/src/main/ets/components/imageknife/utils/FileTypeUtil.ets

@@ -26,6 +26,7 @@ export class FileTypeUtil {
     'webp': [new Uint8Array([0x52, 0x49, 0x46, 0x46])],
     'tiff': [new Uint8Array([0x49, 0x20, 0x49]), new Uint8Array([0x49, 0x49, 0x2A, 0x00]), new Uint8Array([0x4D, 0x4D, 0x00, 0x2A]), new Uint8Array([0x4D, 0x4D, 0x00, 0x2B])],
     // 添加更多的文件类型和特征
+    'heic': [new Uint8Array([0x00, 0x00, 0x00, 0x18, 0x66, 0x74, 0x79, 0x70, 0x68, 0x65, 0x69, 0x63, 0x00, 0x00, 0x00, 0x00])],
   };
 
 
@@ -41,7 +42,8 @@ export class FileTypeUtil {
         value == SupportFormat.webp ||
         value == SupportFormat.bmp ||
         value == SupportFormat.gif ||
-        value == SupportFormat.svg
+        value == SupportFormat.svg ||
+        value == SupportFormat.heic
     ) {
       return true;
     }
@@ -106,5 +108,6 @@ export enum SupportFormat {
   bmp = 'bmp',
   gif = 'gif',
   svg = 'svg',
-  tiff = 'tiff'
+  tiff = 'tiff',
+  heic = 'heic'
 }