Android 气泡图片

r囧r小猫 2022-05-17 11:22 185阅读 0赞

效果

：![70][]

setChatImg(bitmap, holder.iv_left_img, R.drawable.pic_07);

R.drawable.pic\_07图片样式：

![70 1][]

private void setChatImg(Bitmap base64,ImageView v,int drawable) {
       try {
          Bitmap bitmap_bg = BitmapFactory.decodeResource(getResources(), drawable);
          Bitmap bitmap_in =base64;
          if(bitmap_in==null){
             bitmap_in = BitmapFactory.decodeResource(getResources(),R.drawable.default_loading);
          }
          Bitmap newbm = zoomImg(bitmap_in, 360, 360);
          Bitmap bp = getRoundCornerImage(bitmap_bg, newbm);
          v.setImageBitmap(bp);
          Log.d("setImageBitmap","setImageBitmap=");
       } catch (Exception e) {
          e.printStackTrace();
       }
    }

![70 2][]

/** 
     *  处理图片  
     * @param bm 所要转换的bitmap 
     * @param newWidth新的宽 
     * @param newHeight新的高   
     * @return 指定宽高的bitmap 
     */ 
     public Bitmap zoomImg(Bitmap bm, int newWidth ,int newHeight){   
        // 获得图片的宽高   
        int width = bm.getWidth();   
        int height = bm.getHeight();   
        // 计算缩放比例   
        float scaleWidth = ((float) newWidth) / width;   
        float scaleHeight = ((float) newHeight) / height;   
        // 取得想要缩放的matrix参数   
        Matrix matrix = new Matrix();   
        matrix.postScale(scaleWidth, scaleHeight);   
        // 得到新的图片   www.2cto.com
        Bitmap newbm = Bitmap.createBitmap(bm, 0, 0, width, height, matrix, true);   
        return newbm;   
    }

![70 3][]

public static Bitmap getRoundCornerImage(Bitmap bitmap_bg, Bitmap bitmap_in) {
       Bitmap roundConcerImage = Bitmap.createBitmap(bitmap_in.getWidth(), bitmap_in.getHeight(), Config.ARGB_8888);
       Canvas canvas = new Canvas(roundConcerImage);
       Paint paint = new Paint();
       Rect rect = new Rect(0, 0, bitmap_in.getWidth(), bitmap_in.getHeight());
       Rect rectF = new Rect(0, 0, bitmap_in.getWidth(), bitmap_in.getHeight());
       paint.setAntiAlias(true);
       NinePatch patch = new NinePatch(bitmap_bg, bitmap_bg.getNinePatchChunk(), null);
       patch.draw(canvas, rect);
       paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
       canvas.drawBitmap(bitmap_in, rectF, rect, paint);
       return roundConcerImage;
    }

[70]: /images/20220517/92d79a680a194323b0929ec57ff9680d.png
[70 1]: /images/20220517/662847786d2844a7a36c571ccd29a7d6.png
[70 2]: /images/20220517/ad7cb5498c9d4d8e965858c3badb2d2d.png
[70 3]: /images/20220517/f9ce4637e3ec45468a15b539a49f1fd3.png