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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.hslf.model.Picture;
-
- /**
- * Represents a JPEG picture data in a PPT file
- *
- * @author Yegor Kozlov
- */
- public final class JPEG extends Bitmap {
-
- public enum ColorSpace { rgb, cymk };
-
- private ColorSpace colorSpace = ColorSpace.rgb;
-
- /**
- * @return type of this picture
- * @see org.apache.poi.hslf.model.Picture#JPEG
- */
- public int getType(){
- return Picture.JPEG;
- }
-
- public ColorSpace getColorSpace() {
- return colorSpace;
- }
-
- public void setColorSpace(ColorSpace colorSpace) {
- this.colorSpace = colorSpace;
- }
-
- /**
- * JPEG signature is one of {@code 0x46A0, 0x46B0, 0x6E20, 0x6E30}
- *
- * @return JPEG signature ({@code 0x46A0, 0x46B0, 0x6E20, 0x6E30})
- */
- public int getSignature(){
- return (colorSpace == ColorSpace.rgb)
- ? (uidInstanceCount == 1 ? 0x46A0 : 0x46B0)
- : (uidInstanceCount == 1 ? 0x6E20 : 0x6E30);
- }
-
- /**
- * Sets the PICT signature - either {@code 0x5420} or {@code 0x5430}
- */
- public void setSignature(int signature) {
- switch (signature) {
- case 0x46A0:
- uidInstanceCount = 1;
- colorSpace = ColorSpace.rgb;
- break;
- case 0x46B0:
- uidInstanceCount = 2;
- colorSpace = ColorSpace.rgb;
- break;
- case 0x6E20:
- uidInstanceCount = 1;
- colorSpace = ColorSpace.cymk;
- break;
- case 0x6E30:
- uidInstanceCount = 2;
- colorSpace = ColorSpace.cymk;
- break;
- default:
- throw new IllegalArgumentException(signature+" is not a valid instance/signature value for JPEG");
- }
- }
- }
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