andbase学习笔记四

AbimageUtil：图片处理类

重要方法：

public static Bitmap getBitmap(String url)：从互联网上获取原始大小图片

public static Bitmap getBitmap(File file)：获取原图

public static Bitmap getBitmap(String url,int desiredWidth, int desiredHeight)：从互联网上获取指定大小的图片.

public static Bitmap drawableToBitmap(Drawable drawable)： Drawable转Bitmap.

public static Drawable bitmapToDrawable(Bitmap bitmap)：Bitmap对象转换Drawable对象.

public static TransitionDrawable bitmapToTransitionDrawable(Bitmap bitmap):Bitmap对象转换TransitionDrawable对象.

public static TransitionDrawable drawableToTransitionDrawable:Drawable对象转换TransitionDrawable对象.

public static byte[] bitmap2Bytes(Bitmap bitmap,
Bitmap.CompressFormat mCompressFormat, final boolean needRecycle):将Bitmap转换为byte[].

public static int getByteCount(Bitmap bitmap,
Bitmap.CompressFormat mCompressFormat):获取Bitmap大小.

public static Bitmap bytes2Bimap(byte[] b)：将byte[]转换为Bitmap.

public static Bitmap imageView2Bitmap(ImageView view)：将ImageView转换为Bitmap.

 view2Bitmap(View view):将view转换为bitmap用于截取屏幕

public static byte[] view2Bytes(View view,
Bitmap.CompressFormat compressFormat) :将view转换为byte数组

public static Bitmap rotateBitmap(Bitmap bitmap, float degrees):旋转Bitmap为一定的角度.

public static Bitmap rotateBitmapTranslate(Bitmap bitmap, float degrees)：旋转Bitmap为一定的角度并四周暗化处理.

public static Bitmap toRoundBitmap(Bitmap bitmap):转换图片成圆形

public static Bitmap toRoundBitmap(Bitmap bitmap,int roundPx)：转换图片成圆角

public static Bitmap toReflectionBitmap(Bitmap bitmap)：转换图片转换成镜面效果的图片.

public static void releaseBitmap(Bitmap bitmap)： 释放Bitmap对象.

public static void releaseBitmapArray(Bitmap[] bitmaps)：释放Bitmap数组.

public static String getHashCode(Bitmap bitmap)：简单的图像的特征值，用于缩略图找原图比较好.

public static int hammingDistance(String sourceHashCode, String hashCode)：计算汉明距离