Glide实现圆角和圆形图片

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实现圆形图片 , 传参第一个为上下文, 第二个为角度

package com.hh.beauter.util;import android.content.Context;import android.content.res.Resources;import android.graphics.Bitmap;import android.graphics.BitmapShader;import android.graphics.Canvas;import android.graphics.Paint;import android.graphics.RectF;import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;import com.bumptech.glide.load.resource.bitmap.BitmapTransformation;/*** Created by Hh on 2017/1/5.*/public class GlideRoundTransform extends BitmapTransformation {    private static float radius = 0f;    public GlideRoundTransform(Context context) {        this(context, 4);    }    public GlideRoundTransform(Context context, int dp) {        super(context);        this.radius = Resources.getSystem().getDisplayMetrics().density * dp;    }    @Override protected Bitmap transform(BitmapPool pool, Bitmap toTransform, int outWidth, int outHeight) {        return roundCrop(pool, toTransform);    }    private static Bitmap roundCrop(BitmapPool pool, Bitmap source) {        if (source == null) return null;        Bitmap result = pool.get(source.getWidth(), source.getHeight(), Bitmap.Config.ARGB_8888);        if (result == null) {            result = Bitmap.createBitmap(source.getWidth(), source.getHeight(), Bitmap.Config.ARGB_8888);        }        Canvas canvas = new Canvas(result);        Paint paint = new Paint();        paint.setShader(new BitmapShader(source, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP));        paint.setAntiAlias(true);        RectF rectF = new RectF(0f, 0f, source.getWidth(), source.getHeight());        canvas.drawRoundRect(rectF, radius, radius, paint);        return result;    }    @Override public String getId() {        return getClass().getName() + Math.round(radius);    }}

　　使用方法:

 Glide.with(ActActivity.this).load(UrlUtil.LOCALL_IP+good.getImgs().get(0).getImg())                    .transform(new GlideRoundTransform(ActActivity.this,20))                    .into(viewHolder.img);

　　2. 加载圆形图片

//圆形 Glide.with(this).load(photoUrl).asBitmap().centerCrop().into(new BitmapImageViewTarget(photo) { @Override protected void setResource(Bitmap resource) { RoundedBitmapDrawable circularBitmapDrawable = RoundedBitmapDrawableFactory.create(getResources(), resource); circularBitmapDrawable.setCircular(true); photo.setImageDrawable(circularBitmapDrawable); } });

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