增加加载长图片样例

Signed-off-by: zenggaofeng <zenggaofeng2@h-partners.com>

entry/src/main/ets/pages/imageknifeTestCaseIndex.ets

@@ -285,6 +285,10 @@ struct IndexFunctionDemo {
             .onClick(() => {
               router.pushUrl({ url: "pages/testManyGifLoadWithPage" });
             }).margin({ top: 5, left: 3 })
+          Button("测试加载长图")
+            .onClick(() => {
+              router.pushUrl({ url: "pages/longImageKnifeTestPage" });
+            }).margin({ top: 5, left: 3 })
         }.width('100%').height(60).backgroundColor(Color.Pink)
       }
     }

entry/src/main/ets/pages/longImageKnifeTestPage.ets

@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2023 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 { ImageKnifeComponent } from '@ohos/imageknife'
+
+@Entry
+@Component
+struct LongImageKnifeTestPage {
+  build(){
+    Scroll(){
+      ImageKnifeComponent({imageKnifeOption:{
+        loadSrc:$r('app.media.long_pic')
+      }}).size({
+        width:356,
+        height:3124.90666666668
+      }).backgroundColor(Color.Pink)
+    }.width('100%').height('100%')
+    .scrollable(ScrollDirection.Vertical)
+    .scrollBar(BarState.Auto)
+  }
+}

entry/src/main/resources/base/profile/main_pages.json

@@ -33,6 +33,7 @@
     "pages/SignatureTestPage",
     "pages/hspCacheTestPage",
     "pages/testManyNetImageLoadWithPage",
-    "pages/testManyGifLoadWithPage"
+    "pages/testManyGifLoadWithPage",
+    "pages/longImageKnifeTestPage"
   ]
 }