/** * check if a picture with this picture data already exists in this presentation * * @param pictureData The picture data to find in the SlideShow * @return {@code null} if picture data is not found in this slideshow * @since 3.15 beta 3 */ @Override public HSLFPictureData findPictureData(byte[] pictureData) { byte[] uid = HSLFPictureData.getChecksum(pictureData); for (HSLFPictureData pic : getPictureData()) { if (Arrays.equals(pic.getUID(), uid)) { return pic; } } return null; }