!10548 翻译完成：10308 资料更新 （仅涉及代码更新）

Merge pull request !10548 from wusongqing/TR10308

en/application-dev/media/image.md

@@ -21,45 +21,43 @@ let opts = { alphaType: 0, editable: true, pixelFormat: 4, scaleMode: 1, size: {
 // Create a PixelMap object.
 const color = new ArrayBuffer(96);
 let opts = { alphaType: 0, editable: true, pixelFormat: 4, scaleMode: 1, size: { height: 2, width: 3 } }
-        image.createPixelMap(color, opts, pixelmap => {
-            expect(pixelmap !== null).assertTrue();
-            console.info('TC_001-1 success');
-            done();
-        })
+image.createPixelMap(color, opts, pixelmap => {
+    console.log('Succeeded in creating pixelmap.');
+})
+
 // Read pixels.
 pixelmap.readPixels(area,(data) => {
     if(data !== null) {
         var bufferArr = new Uint8Array(area.pixels);
         var res = true;
         for (var i = 0; i < bufferArr.length; i++) {
-			console.info('TC_021-1 buffer ' + bufferArr[i]);
+            console.info(' buffer ' + bufferArr[i]);
             if(res) {
                 if(bufferArr[i] == 0) {
                     res = false;
-                        console.info('TC_021-1 Success');
-                        expect(true).assertTrue();
-                        done();
+                    console.log('readPixels end.');
                     break;
                 }
             }
         }
+    }
+})
  
 // Store pixels.
 const readBuffer = new ArrayBuffer(96);
 pixelmap.readPixelsToBuffer(readBuffer,() => {
-var bufferArr = new Uint8Array(readBuffer);
-var res = true;
-for (var i = 0; i < bufferArr.length; i++) {
+    var bufferArr = new Uint8Array(readBuffer);
+    var res = true;
+    for (var i = 0; i < bufferArr.length; i++) {
         if(res) {
             if (bufferArr[i] !== 0) {
                 res = false;
-            console.info('TC_020-1 Success');
-            expect(true).assertTrue();
-            done();
+                console.log('readPixelsToBuffer end.');
                 break;
             }
         }
-}
+    }
+})
     
 // Write pixels.
 pixelmap.writePixels(area,() => {
@@ -71,13 +69,13 @@ pixelmap.writePixels(area,() => {
             if(res) {
                 if (readArr[i] !== 0) {
                     res = false;
-                    console.info('TC_022-1 Success');
-                    expect(true).assertTrue();
-                    done();
+                    console.log('readPixels end.please check buffer');
                     break;
                 }
             }
         }
+    })
+})
   
 // Write pixels to the buffer.
 pixelmap.writeBufferToPixels(writeColor).then(() => {
@@ -89,38 +87,33 @@ pixelmap.writeBufferToPixels(writeColor).then(() => {
             if(res) {
                 if (bufferArr[i] !== i) {
                     res = false;
-                    console.info('TC_023 Success');
-                    expect(true).assertTrue()
-                    done();
+                    console.log('readPixels end.please check buffer');
                     break;
                 }
             }
         }
+    })
+})
 
 // Obtain image information.
 pixelmap.getImageInfo( imageInfo => {
     if (imageInfo !== null) {
-        console.info('TC_024-1 imageInfo is ready');
-        expect(imageInfo.size.height == 4).assertTrue();
-        expect(imageInfo.size.width == 6).assertTrue();
-        expect(imageInfo.pixelFormat == 4).assertTrue();
-        done();
+	    console.log('Succeeded in getting imageInfo');
     } 
 })
 
 // Release the PixelMap object.
 pixelmap.release(()=>{
-    expect(true).assertTrue();
-    console.log('TC_027-1 suc');
-    done();
+    console.log('Succeeded in releasing pixelmap');
 })
 
-let path = '/data/local/tmp/test.jpg';
 // Create an image source (uri).
-const imageSourceApi = image.createImageSource(path); // '/data/local/tmp/test.jpg'
+let path = '/data/local/tmp/test.jpg';
+const imageSourceApi = image.createImageSource(path);
 
 // Create an image source (fd).
-const imageSourceApi = image.createImageSource(29);
+let fd = 29;
+const imageSourceApi = image.createImageSource(fd);
 
 // Create an image source (data).
 const data = new ArrayBuffer(96);
@@ -128,15 +121,15 @@ const imageSourceApi = image.createImageSource(data);
 
 // Release the image source.
 imageSourceApi.release(() => {
-    console.info('TC_044-1 Success');
-    })
+    console.log('Succeeded in releasing imagesource');
+})
     
 // Encode the image.
 const imagePackerApi = image.createImagePacker();
+const imageSourceApi = image.createImageSource(0);
+let packOpts = { format:"image/jpeg", quality:98 };
 imagePackerApi.packing(imageSourceApi, packOpts, data => {
-    console.info('TC_062-1 finished');
-    expect(data !== null).assertTrue();
-    done();
+    console.log('Succeeded in packing');
 })
  
 // Release the ImagePacker object.
@@ -164,59 +157,40 @@ let decodingOptions = {
     
 // Create a pixel map in callback mode.
 imageSourceApi.createPixelMap(decodingOptions, pixelmap => {
-    console.info('TC_050 createPixelMap ');
-    expect(pixelmap !== null ).assertTrue();
-    done();
-    })
-}  
+    console.log('Succeeded in creating pixelmap.');
+})
 
 // Create a pixel map in promise mode.
 imageSourceApi.createPixelMap().then(pixelmap => {
-    console.info('TC_050-11 createPixelMap ');
-    expect(pixelmap !== null ).assertTrue();
-    done();
+    console.log('Succeeded in creating pixelmap.');
 })
 
 // Capture error information when an exception occurs during function invoking.
 catch(error => {
-    console.log('TC_050-11 error: ' + error);
-    expect().assertFail();
-    done();
+    console.log('Failed in creating pixelmap.' + error);
 })
 
 // Obtain the number of bytes in each line of pixels.
 pixelmap.getBytesNumberPerRow( num => {
-	console.info('TC_025-1 num is ' + num);
-	expect(num == expectNum).assertTrue();
-	done();
+    console.log('Succeeded in getting BytesNumber PerRow.');
 })
 
 // Obtain the total number of pixel bytes.
 pixelmap.getPixelBytesNumber(num => {
-    console.info('TC_026-1 num is ' + num);
-    expect(num == expectNum).assertTrue();
-    done();
+    console.log('Succeeded in getting PixelBytesNumber.');
 })
 
 // Obtain the pixel map information.
 pixelmap.getImageInfo( imageInfo => {})
 
-// Print the failure information.
-console.info('TC_024-1 imageInfo is empty');
-expect(false).assertTrue()
-
 // Release the PixelMap object.
 pixelmap.release(()=>{
-    expect(true).assertTrue();
-    console.log('TC_027-1 suc');
-    done();
+    console.log('Succeeded in releasing pixelmap');
 })    
 
 // Capture release failure information.
 catch(error => {
-    console.log('TC_027-1 error: ' + error);
-    expect().assertFail();
-    done();
+    console.log('Failed in releasing pixelmap.' + error);
 })
 ```
 
@@ -230,9 +204,7 @@ const imageSourceApi = image.createImageSource(path); // '/data/local/tmp/test.p
  
 // Print the error message if the image source fails to be created.
 if (imageSourceApi == null) {
-    console.info('TC_062 create image source failed');
-    expect(false).assertTrue();
-    done();
+    console.log('Failed in creating imageSource.');
 }
    
 // Create an image packer if the image source is successfully created.
@@ -240,9 +212,7 @@ const imagePackerApi = image.createImagePacker();
 
 // Print the error information if the image packer fails to be created.
 if (imagePackerApi == null) {
-    console.info('TC_062 create image packer failed');
-    expect(false).assertTrue();
-    done();
+    console.log('Failed in creating imagePacker.');
 }
 
 // Set encoding parameters if the image packer is successfully created.
@@ -252,9 +222,7 @@ let packOpts = { format:["image/jpeg"], // The supported encoding format is jpg.
 // Encode the image.
 imagePackerApi.packing(imageSourceApi, packOpts)
 .then( data => {
-    console.info('TC_062 finished');
-    expect(data !== null).assertTrue();
-    done();
+    console.log('Succeeded in packing');
 })
          
 // Release the image packer after the encoding is complete.
@@ -262,9 +230,7 @@ imagePackerApi.release();
 
 // Obtain the image source information.
 imageSourceApi.getImageInfo(imageInfo => {
-    console.info('TC_045 imageInfo');
-    expect(imageInfo !== null).assertTrue();
-    done();
+    console.log('Succeeded in getting imageInfo');
 })
 
 // Update incremental data.