- If the variable 'pixelFormat' is deliberately set to RGB16F or RGB32F,
then Pixel::GetBytesPerPixel() returns 12u or 24u.
- Then, 'Out-of-bound' error may occur because the return value exceeds
the scope of 'outputColor' array.
Change-Id: I5674b20d8976b925e12444eb9fc611e0d5633f49 Signed-off-by: Seoyeon Kim <seoyeon2.kim@samsung.com>