修改获取本地图片方向不正确问题

src/net/tsz/afinal/bitmap/core/BitmapProcess.java

@@ -49,6 +49,15 @@ public Bitmap getBitmap(String url, BitmapDisplayConfig config) {
 			}
 		}
 
+		if (url.trim().toLowerCase().startsWith("file:")) {// 旋转图片
+			int degree = Utils.getDegree(url.replace("file://", ""));
+			if (degree != 0) {
+				Matrix matrix = new Matrix();
+				matrix.postRotate(degree);
+				bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
+			}
+		}
+
 		return bitmap;
 	}
 

src/net/tsz/afinal/utils/Utils.java

@@ -43,7 +43,37 @@ public static File getDiskCacheDir(Context context, String uniqueName) {
         return new File(cachePath + File.separator + uniqueName);
     }
 
-
+    /** 计算图片旋转角度
+     * @param uri
+     * @return */
+    public static int getDegree(String uri) {
+        int degree = 0;
+        ExifInterface exif = null;
+        try {
+            exif = new ExifInterface(uri);
+        } catch (IOException e) {
+            e.printStackTrace();
+            exif = null;
+        }
+        if (exif != null) {
+            int ori = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_UNDEFINED);// 读取图片中相机方向信息  
+            switch (ori) {
+            case ExifInterface.ORIENTATION_ROTATE_90:
+                degree = 90;
+                break;
+            case ExifInterface.ORIENTATION_ROTATE_180:
+                degree = 180;
+                break;
+            case ExifInterface.ORIENTATION_ROTATE_270:
+                degree = 270;
+                break;
+            default:
+                degree = 0;
+                break;
+            }
+        }
+        return degree;
+    }
 
     /**
      * 获取bitmap的字节大小