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update feature/editor/src/main/ets/default/Save.ts.

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Signed-off-by: liujuan <liujuan76@h-partners.com>
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liujuan 2023-11-14 12:01:40 +00:00 committed by Gitee
parent aa32878a1e
commit 5d7706f060
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GPG Key ID: 173E9B9CA92EEF8F
1 changed files with 33 additions and 6 deletions
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39
feature/editor/src/main/ets/default/Save.ts
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@ -32,7 +32,8 @@ import type { Album, FileType } from '@ohos/common/src/main/ets/default/access/U
const TAG: string = 'editor_Save';
export class Save {
private static readonly QUALITY_100: number = 100;
private static readonly QUALITY_95: number = 95;
private static readonly PERCENT_100: number = 100;
constructor() {
}
@ -40,6 +41,15 @@ export class Save {
public static async save(item: MediaItem, albumUri: string, optStack: ImageFilterStack, isReplace: Boolean,
callback: Function): Promise<void> {
Log.info(TAG, `${JSON.stringify(item)} ${isReplace}`);
// Get quality of image first, making sure it's succeed even in replace mode
let finalQuality: number = await this.getImageQuality(item);
Log.debug(TAG, "save: final quality = " + finalQuality);
let options = {
format: 'image/jpeg',
quality: finalQuality
};
try {
let wrapper = await Loader.loadPixelMapWrapper(item);
wrapper = optStack.apply(wrapper);
@ -53,16 +63,22 @@ export class Save {
return;
}
let options = {
format: 'image/jpeg',
quality: Save.QUALITY_100
};
let packer = image.createImagePacker();
let buffer = await packer.packing(wrapper.pixelMap, options);
Log.info(TAG, 'Format pixelMap data to jpg data end.');
await fileIO.write(fd, buffer);
Log.info(TAG, 'write jpg file end.');
try {
let imageSourceApi: image.ImageSource = image.createImageSource(fd);
await new Promise(async (resolve, reject) => {
imageSourceApi.modifyImageProperty('CompressedBitsPerPixel', String(finalQuality / Save.PERCENT_100));
resolve(Boolean(true));
});
} catch (e) {
Log.error(TAG, 'sth wrong when set CompressedBitsPerPixel value is ' + (finalQuality / Save.PERCENT_100) +
', error is ' + JSON.stringify(e));
}
let newUri = fileAsset.uri;
Log.info(TAG, `New saved file: ${newUri}`);
callback && callback(newUri);
@ -78,7 +94,6 @@ export class Save {
ReportToBigDataUtil.errEventReport(BigDataConstants.PHOTO_EDIT_SAVE_ERROR_ID, msg);
callback && callback(undefined);
}
;
}
private static async createFileAsset(uri: string, albumUri: string, isReplace: Boolean) {
@ -111,4 +126,16 @@ export class Save {
}
return fileAsset;
}
private static async getImageQuality(item: MediaItem): Promise<number> {
let quality = undefined;
try {
quality = await Loader.getCompressedBitsPerPixel(item);
} catch (e) {
Log.error(TAG, "sth wrong with getCompressedBitsPerPixel" + e);
}
let finalQuality: number = quality !== undefined ? quality * Save.PERCENT_100 : Save.QUALITY_95
Log.debug(TAG, "save: final quality = " + finalQuality);
return finalQuality;
}
}