游客

标题:android中给图片击水印 java
正文:
android中给图片打水印 /** * * @param src 原图片 * @param watermark 要打的水印图片 * @return Bitmap 打好水印的图片 */ private Bitmap createBitmap(Bitmap src,Bitmap watermark){ if(src == null){ return null; } int srcWidth = src.getWidth(); int srcHeight = src.getHeight(); int waterWidth = watermark.getWidth(); int waterHeight = watermark.getHeight(); //create the new blank bitmap Bitmap newb = Bitmap.createBitmap(srcWidth,srcHeight,Config.ARGB_8888);//创建一个新的和src长度宽度一样的位图 Canvas cv = new Canvas(newb); cv.drawBitmap(src, 0, 0,null);//在0,0坐标开始画入src /*Paint paint = new Paint(); paint.setColor(Color.RED);*/ if(watermark != null){ cv.drawBitmap(watermark, srcWidth-waterWidth,srcHeight-waterHeight, null);//在src的右下解画入水印图片 //cv.drawText("HELLO",srcWidth-waterWidth,srcHeight-waterHeight, paint);//这是画入水印文字，在画文字时，需要指定paint } cv.save(Canvas.ALL_SAVE_FLAG);//保存 cv.restore();//存储 return newb; }

[<<][[1]][>>]

查看评论(0)
发表评论



首页