package com.soai.imdemo;import java.io.ByteArrayInputStream;import java.io.ByteArrayOutputStream;import java.io.InputStream;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.graphics.Canvas;import android.graphics.PixelFormat;import android.graphics.drawable.BitmapDrawable;import android.graphics.drawable.Drawable;/** * Bitmap与DrawAble与byte[]与InputStream之间的转换工具类 * @author Administrator * */public class FormatTools {private static FormatTools tools = new FormatTools();public static FormatTools getInstance() {if (tools == null) {tools = new FormatTools();return tools;}return tools;}// 将byte[]转换成InputStreampublic InputStream Byte2InputStream(byte[] b) {ByteArrayInputStream bais = new ByteArrayInputStream(b);return bais;}// 将InputStream转换成byte[]public byte[] InputStream2Bytes(InputStream is) {String str = "";byte[] readByte = new byte[1024];int readCount = -1;try {while ((readCount = is.read(readByte, 0, 1024)) != -1) {str += new String(readByte).trim();}return str.getBytes();} catch (Exception e) {e.printStackTrace();}return null;}// 将Bitmap转换成InputStreampublic InputStream Bitmap2InputStream(Bitmap bm) {ByteArrayOutputStream baos = new ByteArrayOutputStream();bm.compress(Bitmap.CompressFormat.JPEG, 100, baos);InputStream is = new ByteArrayInputStream(baos.toByteArray());return is;}// 将Bitmap转换成InputStreampublic InputStream Bitmap2InputStream(Bitmap bm, int quality) {ByteArrayOutputStream baos = new ByteArrayOutputStream();bm.compress(Bitmap.CompressFormat.PNG, quality, baos);InputStream is = new ByteArrayInputStream(baos.toByteArray());return is;}// 将InputStream转换成Bitmappublic Bitmap InputStream2Bitmap(InputStream is) {return BitmapFactory.decodeStream(is);}// Drawable转换成InputStreampublic InputStream Drawable2InputStream(Drawable d) {Bitmap bitmap = this.drawable2Bitmap(d);return this.Bitmap2InputStream(bitmap);}// InputStream转换成Drawablepublic Drawable InputStream2Drawable(InputStream is) {Bitmap bitmap = this.InputStream2Bitmap(is);return this.bitmap2Drawable(bitmap);}// Drawable转换成byte[]public byte[] Drawable2Bytes(Drawable d) {Bitmap bitmap = this.drawable2Bitmap(d);return this.Bitmap2Bytes(bitmap);}// byte[]转换成Drawablepublic Drawable Bytes2Drawable(byte[] b) {Bitmap bitmap = this.Bytes2Bitmap(b);return this.bitmap2Drawable(bitmap);}// Bitmap转换成byte[]public byte[] Bitmap2Bytes(Bitmap bm) {ByteArrayOutputStream baos = new ByteArrayOutputStream();bm.compress(Bitmap.CompressFormat.PNG, 100, baos);return baos.toByteArray();}// byte[]转换成Bitmappublic Bitmap Bytes2Bitmap(byte[] b) {if (b.length != 0) {return BitmapFactory.decodeByteArray(b, 0, b.length);}return null;}// Drawable转换成Bitmappublic Bitmap drawable2Bitmap(Drawable drawable) {Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(),drawable.getIntrinsicHeight(),drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888: Bitmap.Config.RGB_565);Canvas canvas = new Canvas(bitmap);drawable.setBounds(0, 0, drawable.getIntrinsicWidth(),drawable.getIntrinsicHeight());drawable.draw(canvas);return bitmap;}// Bitmap转换成Drawablepublic Drawable bitmap2Drawable(Bitmap bitmap) {BitmapDrawable bd = new BitmapDrawable(bitmap);Drawable d = (Drawable) bd;return d;}}
构建自己的框架，，从点滴做起
既有美妙的风景，也会有称不上景只有风的地方。
