实例介绍
【实例简介】实现了基本的 旋转、缩放、亮度、裁剪等功能
【实例截图】
【核心代码】
package gl.test;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import gl.test.util.CropImage;
import gl.test.util.PaintView;
import gl.test.util.ZoomImage;
import gl.test.view.MenuView;
import gl.test.view.ToneMenuView;
import gl.test.view.ToneView;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
public class Myjob2Activity extends Activity implements OnSeekBarChangeListener {
private Button save, cancle;
private Button zoom, rotate, scrawl, light, crap;
private ImageView mimg;
public String imagePath;
public String filename;
public Bitmap mBitmap;
private ToneMenuView mTonMenuVie;
private ToneView mToneView;
private MenuView menuView;
private static final int IMAGE_CUT = 1;
private Matrix matrix = new Matrix();
private LinearLayout linearLayout;
/**
* 临时Bitmap文件
* */
public Bitmap mTmpBmp;
public String pictureName;
public String data;
private Paint mPaint;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
imagePath = "http://192.168.5.195:8080/MyjobServer/image/patient.jpg";
filename = "test/jpg";
initWidget();
}
private void initWidget() {
// TODO Auto-generated method stub
save = (Button) findViewById(R.id.save);
save.setOnClickListener(new SaveOnclickListener());
cancle = (Button) findViewById(R.id.cancle);
cancle.setOnClickListener(new CancleOnclickListener());
zoom = (Button) findViewById(R.id.zoom);// 缩放
zoom.setOnClickListener(new ZoomOnclickListener());
rotate = (Button) findViewById(R.id.rotate);// 旋转
rotate.setOnClickListener(new RotateOnclickListener());
scrawl = (Button) findViewById(R.id.scrawl);// 涂鸦
scrawl.setOnClickListener(new ScrawlOnclickListener());
light = (Button) findViewById(R.id.light);// 亮度
light.setOnClickListener(new LightOnclickListener());
crap = (Button) findViewById(R.id.crap);// 裁剪
crap.setOnClickListener(new CrapOnclickListener());
mimg = (ImageView) findViewById(R.id.img);
mBitmap = BitmapFactory.decodeResource(getResources(),
R.drawable.patient);
mTmpBmp = mBitmap.copy(Bitmap.Config.ARGB_8888, true);
mimg.setImageBitmap(mBitmap);
/*
* try { byte[] data = gl.test.util.ImageService.getImage(imagePath);
*
* mBitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
*
* mTmpBmp = mBitmap.copy(Bitmap.Config.ARGB_8888, true);
*
* mimg.setImageBitmap(mBitmap);
*
*
* } catch (Exception e) { // TODO Auto-generated catch block
* e.printStackTrace(); }
*/
// 在初始化的同时，将图片保存的本地文件夹中
}
// 保存图片
public void saveFile(Bitmap bmp) {
String sdStatue = Environment.getExternalStorageState();
if (!sdStatue.endsWith(Environment.MEDIA_MOUNTED)) {
System.out.println("当前SD卡不能使用---------------");
return;
}
FileOutputStream b = null;
File dirFile = new File("/sdcard/myImage");
dirFile.mkdir();
SimpleDateFormat sDattFormat = new SimpleDateFormat("yyyMMddhhmmss");
data = sDattFormat.format(new Date());
pictureName = "/sdcard/myImage/" data ".jpg";
try {
b = new FileOutputStream(pictureName);
mTmpBmp.compress(Bitmap.CompressFormat.JPEG, 100, b);// 将位图压缩成为JPEG格式
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
try {
b.flush();
b.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
// 开启新线程，保存图片
private Runnable saveFileRunnable = new Runnable() {
@Override
public void run() {
saveFile(mBitmap);
}
};
public PaintView paintView;
// 保存修改过的图片
private class SaveOnclickListener implements OnClickListener {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
new Thread(saveFileRunnable).start();
System.out.println("当前的路径 = 保存 ======" pictureName);
}
}
/**
* 取消操作
* */
private class CancleOnclickListener implements OnClickListener {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
setResult(RESULT_CANCELED);
finish();
return;
}
}
/**
* 缩放图片
* */
private class ZoomOnclickListener implements OnClickListener {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
initZoom();
/*
* mTmpBmp = ZoomImage.zoomImg(mBitmap, (float) 0.5); reset();
*/
}
}
/**
* 旋转图片
* */
private class RotateOnclickListener implements OnClickListener {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
initRotate();
}
}
// 初始化旋转图片控件
private void initRotate() {
// TODO Auto-generated method stub
if (null == mTonMenuVie) {
mTonMenuVie = new ToneMenuView(Myjob2Activity.this);
}
mTonMenuVie.show();
mToneView = mTonMenuVie.getToneView();
mToneView.setTag(3);
mTonMenuVie.setSaturationBarListener(this);
}
/**
* 对图片进行涂鸦
*
* */
private class ScrawlOnclickListener implements OnClickListener {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
mPaint = new Paint();
mPaint.setAntiAlias(true);
mPaint.setStyle(Paint.Style.STROKE);
mPaint.setStrokeWidth(4);
mPaint.setColor(0xFFFF0000);
linearLayout = (LinearLayout) findViewById(R.id.imgLinearLayout);
paintView = new PaintView(Myjob2Activity.this, mTmpBmp, mPaint);
mBitmap = paintView.getBitmap();
}
}
/**
* 改变图片亮度
* */
private class LightOnclickListener implements OnClickListener {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
initTone();
}
}
private void initTone() {
// TODO Auto-generated method stub
if (null == mTonMenuVie) {
mTonMenuVie = new ToneMenuView(Myjob2Activity.this);
}
mTonMenuVie.show();
mToneView = mTonMenuVie.getToneView();
mToneView.setTag(1);
mTonMenuVie.setSaturationBarListener(this);
}
private void initZoom() {
// TODO Auto-generated method stub
if (null == mTonMenuVie) {
mTonMenuVie = new ToneMenuView(Myjob2Activity.this);
}
mTonMenuVie.show();
mToneView = mTonMenuVie.getToneView();
mToneView.setTag(2);
mTonMenuVie.setSaturationBarListener(this);
// mTonMenuView.setOnzoomBarListener(this);
}
/**
* 剪切图片
* */
private class CrapOnclickListener implements OnClickListener {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
saveFile(mBitmap);
System.out.println("当前的路径 = 剪切 ======" pictureName);
Intent intent = CropImage.getImageClipIntent(pictureName);
startActivityForResult(intent, IMAGE_CUT);
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// TODO Auto-generated method stub
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == IMAGE_CUT && data != null) {
mTmpBmp = data.getParcelableExtra("data");
reset();
/*
* mimg.setImageBitmap(mTmpBmp); mBitmap = mTmpBmp;
*/
}
else {
mimg.setImageBitmap(mTmpBmp);
}
}
/**
* 重新设置图片
* */
private void reset() {
mBitmap = mTmpBmp;
mimg.setImageBitmap(mBitmap);
mimg.invalidate();
}
@Override
public void onProgressChanged(SeekBar seekBar, int progress,
boolean fromUser) {
// TODO Auto-generated method stub
int flag = -1;
System.out.println("当前的seekbar" seekBar.getTag());
switch ((Integer) seekBar.getTag()) {
case 1:
flag = 1;
mToneView.setLight(progress);
System.out.println("亮度" progress);
mTmpBmp = mToneView.handleImage(mTmpBmp, flag);
mimg.setImageBitmap(mTmpBmp);
break;
case 2:
float scale = (float) progress / (float) 127;
System.out.println("当前的宽度" progress);
System.out.println("当前缩放比例" scale);
System.out.println("当前位图的宽" mBitmap.getWidth());
mBitmap = ZoomImage.zoomImg(mTmpBmp, scale);
mimg.setImageBitmap(mBitmap);
break;
case 3:
// 设置图像的旋转角度
matrix.setRotate(progress);
// 旋转图像，并生成新的Bitmap对像
System.out.println("当前的旋转角度" progress);
mTmpBmp = Bitmap.createBitmap(mBitmap, 0, 0, mBitmap.getWidth(),
mBitmap.getHeight(), matrix, true);
mimg.setImageBitmap(mTmpBmp);
}
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
}
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