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feat 添加图片压缩参数，按宽度压缩，优化已有的图片压缩算法抛弃多余压缩次数

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This commit is contained in:
little-snow-fox 2019-12-07 19:17:14 +08:00
parent 5ab28e3cbd
commit bdfaa21eb5
2 changed files with 17 additions and 8 deletions
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22
android/src/main/java/com/theweflex/react/WeChatModule.java
View File

@ -83,12 +83,10 @@ public class WeChatModule extends ReactContextBaseJavaModule implements IWXAPIEv
while (baos.toByteArray().length / 1024 > size) {
// 重置baos即清空baos
baos.reset();
if (options <= 1) {
break;
} else if (options > 5) {
options -= 5;
if (options > 10) {
options -= 8;
} else {
options -= 1;
return bitmapResizeGetBytes(Bitmap.createScaledBitmap(image, 280, image.getHeight() / image.getWidth() * 280, true), size);
}
// 这里压缩options%，把压缩后的数据存放到baos中
image.compress(Bitmap.CompressFormat.JPEG, options, baos);
@ -225,7 +223,13 @@ public class WeChatModule extends ReactContextBaseJavaModule implements IWXAPIEv
public void shareImage(final ReadableMap data, final Callback callback) {
this._getImage(Uri.parse(data.getString("imageUrl")), null, new ImageCallback() {
@Override
public void invoke(@Nullable Bitmap bmp) {
public void invoke(@Nullable Bitmap bitmap) {
Bitmap bmp = bitmap;
int maxWidth = data.hasKey("maxWidth") ? data.getInt("maxWidth") : -1;
// 如果图片大于10MB而且没设置压缩，自动开启压缩
if (maxWidth > 0) {
bmp = Bitmap.createScaledBitmap(bmp, maxWidth, bmp.getHeight() / bmp.getWidth() * maxWidth, true);
}
// 初始化 WXImageObject 和 WXMediaMessage 对象
WXImageObject imgObj = new WXImageObject(bmp);
WXMediaMessage msg = new WXMediaMessage();
@ -259,13 +263,17 @@ public class WeChatModule extends ReactContextBaseJavaModule implements IWXAPIEv
if (path.indexOf("file://") > -1) {
path = path.substring(7);
}
int maxWidth = data.hasKey("maxWidth") ? data.getInt("maxWidth") : -1;
fs = new FileInputStream(path);
Bitmap bmp = BitmapFactory.decodeStream(fs);
// 如果图片大于10MB而且没设置压缩，自动开启压缩
if (maxWidth > 0) {
bmp = Bitmap.createScaledBitmap(bmp, maxWidth, bmp.getHeight() / bmp.getWidth() * maxWidth, true);
}
// 初始化 WXImageObject 和 WXMediaMessage 对象
WXImageObject imgObj = new WXImageObject(bmp);
WXMediaMessage msg = new WXMediaMessage();
msg.mediaObject = imgObj;
// 设置缩略图
msg.thumbData = bitmapResizeGetBytes(bmp, THUMB_SIZE);

3
index.d.ts vendored
View File

@ -68,7 +68,8 @@ declare module "react-native-wechat-lib" {
}
export interface ShareImageMetadata {
imageUrl: string,
scene?: WXScene
scene?: WXScene,
maxWidth?: number
}
export interface ShareMusicMetadata {
musicUrl: string,