| /* ==================================================================== |
| 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.record; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.util.Arrays; |
| |
| import org.apache.poi.util.LittleEndian; |
| |
| /** |
| * Master container for Slides. There is one of these for every slide, |
| * and they have certain specific children |
| */ |
| |
| public final class Slide extends SheetContainer |
| { |
| private byte[] _header; |
| private static long _type = 1006L; |
| |
| // Links to our more interesting children |
| private SlideAtom slideAtom; |
| private PPDrawing ppDrawing; |
| private ColorSchemeAtom _colorScheme; |
| |
| /** |
| * Returns the SlideAtom of this Slide |
| */ |
| public SlideAtom getSlideAtom() { return slideAtom; } |
| |
| /** |
| * Returns the PPDrawing of this Slide, which has all the |
| * interesting data in it |
| */ |
| public PPDrawing getPPDrawing() { return ppDrawing; } |
| |
| |
| /** |
| * Set things up, and find our more interesting children |
| */ |
| protected Slide(byte[] source, int start, int len) { |
| // Grab the header |
| _header = Arrays.copyOfRange(source, start, start+8); |
| |
| // Find our children |
| _children = Record.findChildRecords(source,start+8,len-8); |
| |
| // Find the interesting ones in there |
| for (Record child : _children) { |
| if (child instanceof SlideAtom) { |
| slideAtom = (SlideAtom) child; |
| } else if (child instanceof PPDrawing) { |
| ppDrawing = (PPDrawing) child; |
| } |
| |
| if (ppDrawing != null && child instanceof ColorSchemeAtom) { |
| _colorScheme = (ColorSchemeAtom) child; |
| } |
| } |
| } |
| |
| /** |
| * Create a new, empty, Slide, along with its required |
| * child records. |
| */ |
| public Slide(){ |
| _header = new byte[8]; |
| LittleEndian.putUShort(_header, 0, 15); |
| LittleEndian.putUShort(_header, 2, (int)_type); |
| LittleEndian.putInt(_header, 4, 0); |
| |
| slideAtom = new SlideAtom(); |
| ppDrawing = new PPDrawing(); |
| |
| ColorSchemeAtom colorAtom = new ColorSchemeAtom(); |
| |
| _children = new org.apache.poi.hslf.record.Record[] { |
| slideAtom, |
| ppDrawing, |
| colorAtom |
| }; |
| } |
| |
| /** |
| * We are of type 1006 |
| */ |
| public long getRecordType() { return _type; } |
| |
| /** |
| * Write the contents of the record back, so it can be written |
| * to disk |
| */ |
| public void writeOut(OutputStream out) throws IOException { |
| writeOut(_header[0],_header[1],_type,_children,out); |
| } |
| |
| public ColorSchemeAtom getColorScheme(){ |
| return _colorScheme; |
| } |
| } |