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  • android bitmap的放大缩小

     1 private static Bitmap big(Bitmap bitmap) {
     2   Matrix matrix = new Matrix(); 
     3   matrix.postScale(1.5f,1.5f); //长和宽放大缩小的比例
     4   Bitmap resizeBmp = Bitmap.createBitmap(bitmap,0,0,bitmap.getWidth(),bitmap.getHeight(),matrix,true);
     5   return resizeBmp;
     6  }
     7 
     8  private static Bitmap small(Bitmap bitmap) {
     9   Matrix matrix = new Matrix(); 
    10   matrix.postScale(0.8f,0.8f); //长和宽放大缩小的比例
    11   Bitmap resizeBmp = Bitmap.createBitmap(bitmap,0,0,bitmap.getWidth(),bitmap.getHeight(),matrix,true);
    12   return resizeBmp;
    13  }
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  • 原文地址:https://www.cnblogs.com/jinglecode/p/5567970.html
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