/*

* COPYRIGHT NOTICE

* Copyright (C) 2015, Jhuster <lujun.hust@gmail.com>

* https://github.com/Jhuster/Android

*

* @license under the Apache License, Version 2.0

*

* @file ImageConvertor.java

* @brief Support NV21/YUY2 RGB JPEG Bitmap Conversion

*

* @version 1.0

* @author Jhuster

* @date 2015/11/20

*/

package com.jhuster.imageprocessor;

import java.io.ByteArrayOutputStream;

import java.nio.ByteBuffer;

import android.graphics.Bitmap;

import android.graphics.Bitmap.CompressFormat;

import android.graphics.BitmapFactory;

import android.graphics.ImageFormat;

import android.graphics.Rect;

import android.graphics.YuvImage;

public class ImageConvertor {

public static byte[] nv21ToJpeg(byte[] nv21,int width, int height) {

YuvImage image = new YuvImage(nv21,ImageFormat.NV21,width,height,null);

ByteArrayOutputStream out = new ByteArrayOutputStream();

image.compressToJpeg(new Rect(0,0,width,height), 100, out);

return out.toByteArray();

}

public static byte[] yuy2ToJpeg(byte[] yuy2,int width, int height) {

YuvImage image = new YuvImage(yuy2,ImageFormat.YUY2,width,height,null);

ByteArrayOutputStream out = new ByteArrayOutputStream();

image.compressToJpeg(new Rect(0,0,width,height), 100, out);

return out.toByteArray();

}

public static Bitmap rgb565ToBitmap(byte[] rgb565, int width, int height) {

Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);

bitmap.copyPixelsFromBuffer(ByteBuffer.wrap(rgb565,0,rgb565.length));

return bitmap;

}

public static Bitmap argb8888ToBitmap(byte[] argb, int width, int height) {

Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);

bitmap.copyPixelsFromBuffer(ByteBuffer.wrap(argb,0,argb.length));

return bitmap;

}

public static Bitmap jpegToBitmap(byte[] jpeg) {

return BitmapFactory.decodeByteArray(jpeg,0,jpeg.length);

}

public static Bitmap pngToBitmap(byte[] png) {

return BitmapFactory.decodeByteArray(png,0,png.length);

}

public static byte[] bitmapToJpeg(Bitmap bitmap) {

ByteArrayOutputStream out = new ByteArrayOutputStream();

bitmap.compress(CompressFormat.JPEG, 100, out);

return out.toByteArray();

}

public static byte[] bitmapToPng(Bitmap bitmap) {

ByteArrayOutputStream out = new ByteArrayOutputStream();

bitmap.compress(CompressFormat.PNG, 100, out);

return out.toByteArray();

}

}