// 设置抗锯齿
PaintFlagsDrawFilter pfd = new PaintFlagsDrawFilter(0, Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);
canvas.setDrawFilter(pfd);
canvas.drawBitmap(mBitmapInner, matrix, null);
// 设置抗锯齿
PaintFlagsDrawFilter pfd = new PaintFlagsDrawFilter(0, Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);
canvas.setDrawFilter(pfd);
canvas.drawBitmap(mBitmapInner, matrix, null);