package cn.zengfansheng.imgjoin;
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.os.Bundle;
import android.widget.ImageView;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// TODO 一、先把美女图片加载到内存
// 1、获取一个immutable的bitmap
Bitmap bitmapGirl = BitmapFactory.decodeResource(this.getResources(),
R.drawable.pre17);
// 2、创建mutable的bitmap
Bitmap alterBitmap = Bitmap.createBitmap(bitmapGirl.getWidth(),
bitmapGirl.getHeight(), bitmapGirl.getConfig());
// 3、创建一个空的画布
Canvas canvas = new Canvas(alterBitmap);
// 4、获取一支画笔
Paint paint = new Paint();
paint.setColor(Color.RED);
// 5、将美女画到画布上去
canvas.drawBitmap(bitmapGirl, new Matrix(), paint);
// TODO 二、将机器人画在美女身上
Bitmap icLauncherBitmap = BitmapFactory.decodeResource(this.getResources(), R.drawable.ic_launcher);
// canvas.drawBitmap(icLauncherBitmap, new Matrix(), paint);
canvas.drawBitmap(icLauncherBitmap, 30, 30, paint);
ImageView iv = (ImageView) this.findViewById(R.id.iv);
iv.setImageBitmap(alterBitmap);
}
}
