Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);

Bitmap bitmap;

Point point1 = new Point(200, 200);

Point point2 = new Point(600, 200);

public Practice06SkewView(Context context) {

super(context);

}

public Practice06SkewView(Context context, @Nullable AttributeSet attrs) {

super(context, attrs);

}

public Practice06SkewView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {

super(context, attrs, defStyleAttr);

}

{

bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.maps);

}

@Override

protected void onDraw(Canvas canvas) {

super.onDraw(canvas);

// sx 和 sy 是 x 方向和 y 方向的错切系数

canvas.save();

canvas.skew(0, 0.5f);

canvas.drawBitmap(bitmap, point1.x, point1.y, paint);

canvas.restore();

canvas.save();

canvas.skew(-0.5f, 0);

canvas.drawBitmap(bitmap, point2.x, point2.y, paint);

canvas.restore();

}