1 /* 2 * Copyright (C) 2010 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef SkPDFStream_DEFINED 18 #define SkPDFStream_DEFINED 19 20 #include "SkPDFTypes.h" 21 #include "SkRefCnt.h" 22 #include "SkStream.h" 23 #include "SkTemplates.h" 24 25 class SkPDFCatalog; 26 27 /** \class SkPDFStream 28 29 A stream object in a PDF. Note, all streams must be indirect objects (via 30 SkObjRef). 31 */ 32 class SkPDFStream : public SkPDFDict { 33 public: 34 /** Create a PDF stream. A Length entry is automatically added to the 35 * stream dictionary. 36 * @param stream The data part of the stream. 37 */ 38 explicit SkPDFStream(SkStream* stream); 39 virtual ~SkPDFStream(); 40 41 // The SkPDFObject interface. 42 virtual void emitObject(SkWStream* stream, SkPDFCatalog* catalog, 43 bool indirect); 44 virtual size_t getOutputSize(SkPDFCatalog* catalog, bool indirect); 45 46 private: 47 size_t fLength; 48 // Only one of the two streams will be valid. 49 SkRefPtr<SkStream> fPlainData; 50 SkDynamicMemoryWStream fCompressedData; 51 52 typedef SkPDFDict INHERITED; 53 }; 54 55 #endif 56
