package com.gyarmy.imgetest02;



import android.app.Activity;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.graphics.Canvas;

import android.graphics.Matrix;

import android.graphics.Paint;

import android.os.Bundle;

import android.os.Environment;

import android.view.View;

import android.widget.ImageView;



public class MainActivity extends Activity {

	

	private ImageView img_src;

	private ImageView img_dst;



	@Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        

        img_src = (ImageView) findViewById(R.id.img_src);

        img_dst = (ImageView) findViewById(R.id.img_dst);

        

    }

	

	

	public void getPIC(View v){

		

		//加载原图

		String path = Environment.getExternalStorageDirectory().toString();

    	path = path+"/Download/02.jpg";

    	Bitmap fileImg = BitmapFactory.decodeFile(path);

    	img_src.setImageBitmap(fileImg);

    	

    	

    	//依照原图，重新绘图

    	Bitmap dstBitmap = Bitmap.createBitmap(fileImg.getWidth(), fileImg.getHeight(), fileImg.getConfig());

    	Canvas cas = new Canvas(dstBitmap);

    	Paint paint = new Paint();



    	//设置规则

    	Matrix matrix = new Matrix();

    	//缩放

    	matrix.setScale(0.4f, 0.4f);

    	//旋转

    	matrix.setRotate(40, dstBitmap.getWidth()/2f, dstBitmap.getHeight()/2f);

    	

    	//画图

    	cas.drawBitmap(fileImg, matrix, paint);

    	

    	

    	img_dst.setImageBitmap(dstBitmap);

    	

    	

    	

		

	}





    

}