Android为图片添加水印文字，, import a

Android为图片添加水印文字，, import a

    import android.os.Bundle;      import android.widget.ImageView;      import android.app.Activity;      import android.graphics.Bitmap;      import android.graphics.Canvas;      import android.graphics.Color;      import android.graphics.Paint;      import android.graphics.drawable.BitmapDrawable;      import android.graphics.drawable.Drawable;      public class MainActivity extends Activity {          @Override          protected void onCreate(Bundle savedInstanceState) {              super.onCreate(savedInstanceState);              setContentView(R.layout.activity_main);              ImageView iv = (ImageView) findViewById(R.id.imageView);              //为简单期间，就使用Android原生的小机器人为目标图片              Drawable drawable = getResources().getDrawable(R.drawable.ic_launcher);              // Drawable -> Bitmap：Drawable 转换成 Bitmap。              BitmapDrawable bd = (BitmapDrawable) drawable;              Bitmap bmp = bd.getBitmap();              // 为Bitmap添加水印              Bitmap bitmap = createWatermark(bmp, "@ Zhang Phil");              iv.setImageBitmap(bitmap);          }          // 为图片target添加水印文字          // Bitmap target：被添加水印的图片          // String mark：水印文章          private Bitmap createWatermark(Bitmap target, String mark) {              int w = target.getWidth();              int h = target.getHeight();              Bitmap bmp = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);              Canvas canvas = new Canvas(bmp);              Paint p = new Paint();              // 水印的颜色              p.setColor(Color.RED);              // 水印的字体大小              p.setTextSize(10);              p.setAntiAlias(true);// 去锯齿              canvas.drawBitmap(target, 0, 0, p);              // 在左边的中间位置开始添加水印              canvas.drawText(mark, 0, h / 2, p);              canvas.save(Canvas.ALL_SAVE_FLAG);              canvas.restore();              return bmp;          }      }