Android Studio 圆形头像

来源：互联网发布：java中getresource方法编辑：程序博客网时间：2024/06/06 01:25
import android.content.Context;import android.graphics.Bitmap;import android.graphics.Canvas;import android.graphics.Paint;import android.graphics.PorterDuffXfermode;import android.graphics.RectF;import android.graphics.Xfermode;import android.graphics.drawable.BitmapDrawable;import android.util.AttributeSet;import android.widget.ImageView;import android.graphics.PorterDuff;/** * Created by Administrator on 2016/1/2 0002. */public class PorterDuffViewImage extends ImageView {    private Paint mpaint;    private static Xfermode xfermode;    private static Bitmap bitmap;    private RectF rect;    public PorterDuffViewImage(Context context) {        super(context);        init();    }    public PorterDuffViewImage(Context context, AttributeSet attrs) {        super(context, attrs);        init();    }    public PorterDuffViewImage(Context context, AttributeSet attrs, int defStyleAttr) {        super(context, attrs, defStyleAttr);        init();    }    @Override    protected void onDraw(Canvas canvas) {        super.onDraw(canvas);        int width = getWidth();        int height = getHeight();        Bitmap.Config config = Bitmap.Config.ARGB_8888;        Canvas canvas1 = null;        BitmapDrawable drawable = (BitmapDrawable)getDrawable();        drawable.setBounds(0, 0, width, height);        drawable.draw(canvas);        if (bitmap == null){            Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);            rect = new RectF(0,0,width,height);            bitmap = Bitmap.createBitmap(width, height, config);            canvas1 = new Canvas(bitmap);            canvas1.drawOval(rect, paint);        }            mpaint.setXfermode(xfermode);            canvas.drawBitmap(bitmap,0,0,mpaint);    }    private void init(){        setLayerType(LAYER_TYPE_SOFTWARE,null);        xfermode = new PorterDuffXfermode(PorterDuff.Mode.DST_IN);        mpaint = new Paint(Paint.ANTI_ALIAS_FLAG);    }}
1 0