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- /* ====================================================================
- Licensed to the Apache Software Foundation (ASF) under one or more
- contributor license agreements. See the NOTICE file distributed with
- this work for additional information regarding copyright ownership.
- The ASF licenses this file to You under the Apache License, Version 2.0
- (the "License"); you may not use this file except in compliance with
- the License. You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
- ==================================================================== */
-
- package org.apache.poi.hslf.blip;
-
- import org.apache.poi.ddf.EscherBSERecord;
- import org.apache.poi.ddf.EscherContainerRecord;
- import org.apache.poi.hslf.usermodel.HSLFSlideShow;
- import org.apache.poi.sl.image.ImageHeaderPNG;
- import org.apache.poi.util.Internal;
- import org.apache.poi.util.Removal;
-
- /**
- * Represents a PNG picture data in a PPT file
- */
- public final class PNG extends Bitmap {
-
- /**
- * @deprecated Use {@link HSLFSlideShow#addPicture(byte[], PictureType)} or one of it's overloads to create new
- * {@link PNG}. This API led to detached {@link PNG} instances (See Bugzilla
- * 46122) and prevented adding additional functionality.
- */
- @Deprecated
- @Removal(version = "5.3")
- public PNG() {
- this(new EscherContainerRecord(), new EscherBSERecord());
- }
-
- /**
- * Creates a new instance.
- *
- * @param recordContainer Record tracking all pictures. Should be attached to the slideshow that this picture is
- * linked to.
- * @param bse Record referencing this picture. Should be attached to the slideshow that this picture is linked to.
- */
- @Internal
- public PNG(EscherContainerRecord recordContainer, EscherBSERecord bse) {
- super(recordContainer, bse);
- }
-
- @Override
- public byte[] getData() {
- return new ImageHeaderPNG(super.getData()).extractPNG();
- }
-
- @Override
- public PictureType getType(){
- return PictureType.PNG;
- }
-
- /**
- * PNG signature is {@code 0x6E00} or {@code 0x6E10}
- *
- * @return PNG signature ({@code 0x6E00} or {@code 0x6E10})
- */
- public int getSignature(){
- return (getUIDInstanceCount() == 1 ? 0x6E00 : 0x6E10);
- }
-
- /**
- * Sets the PNG signature - either {@code 0x6E00} or {@code 0x6E10}
- */
- public void setSignature(int signature) {
- switch (signature) {
- case 0x6E00:
- setUIDInstanceCount(1);
- break;
- case 0x6E10:
- setUIDInstanceCount(2);
- break;
- default:
- throw new IllegalArgumentException(signature+" is not a valid instance/signature value for PNG");
- }
- }
- }
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