Picasso设置圆角
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package liu.roundimagedemo.view; import android.graphics.Bitmap; import android.graphics.BitmapShader; import android.graphics.Canvas; import android.graphics.Paint; import com.squareup.picasso.Transformation; /** * Created by 刘楠 on 2016/8/31 0031.23:09 */ public class CircleTransform implements Transformation { @Override public Bitmap transform(Bitmap source) { /** * 求出宽和高的哪个小 */ int size = Math.min(source.getWidth(), source.getHeight()); /** * 求中心点 */ int x = (source.getWidth() - size) / 2; int y = (source.getHeight() - size) / 2; /** * 生成BitMap */ Bitmap squaredBitmap = Bitmap.createBitmap(source, x, y, size, size); if (squaredBitmap != source) { //释放 source.recycle(); } /** * 建立新的Bitmap */ Bitmap bitmap = Bitmap.createBitmap(size, size, source.getConfig()); /** * 画布画笔 */ Canvas canvas = new Canvas(bitmap); Paint paint = new Paint(); BitmapShader shader = new BitmapShader(squaredBitmap, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP); paint.setShader(shader); paint.setAntiAlias(true); float r = size / 2f; /** * 画圆 */ canvas.drawCircle(r, r, r, paint); squaredBitmap.recycle(); return bitmap; } @Override public String key() { return "circle"; } }
Picasso.with(this).load("http://img1.3lian.com/2015/w7/68/d/85.jpg").transform(new CircleTransform()) .into(mNetImageView);
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