BitmapUtil.java
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package com.metroapp.forum;
import android.graphics.Bitmap;
import android.graphics.Matrix;
import android.media.ExifInterface;
import java.io.IOException;
public class BitmapUtil {
public static Bitmap reviewPicRotate(Bitmap bitmap,String path){
int degree = getPicRotate(path);
if(degree!=0){
try{
Matrix m = new Matrix();
int width = bitmap.getWidth();
int height = bitmap.getHeight();
m.setRotate(degree);
bitmap = Bitmap.createBitmap(bitmap, 0, 0, width, height,m, true);
}catch(Exception e){
e.printStackTrace();
}catch(Error err){
err.printStackTrace();
}
}
return bitmap;
}
/**
* 读取图片属性：旋转的角度
*
* @param path
* 图片绝对路径
* @return degree旋转的角度
*/
public static int getPicRotate(String path) {
int degree = 0;
try {
ExifInterface exifInterface = new ExifInterface(path);
int orientation = exifInterface.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL);
switch (orientation) {
case ExifInterface.ORIENTATION_ROTATE_90:
degree = 90;
break;
case ExifInterface.ORIENTATION_ROTATE_180:
degree = 180;
break;
case ExifInterface.ORIENTATION_ROTATE_270:
degree = 270;
break;
}
} catch (IOException e) {
e.printStackTrace();
}
return degree;
}
}