diff options
Diffstat (limited to 'include/pdf/SkPDFStream.h')
| -rw-r--r-- | include/pdf/SkPDFStream.h | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/include/pdf/SkPDFStream.h b/include/pdf/SkPDFStream.h index 739177f56d..263a408d72 100644 --- a/include/pdf/SkPDFStream.h +++ b/include/pdf/SkPDFStream.h @@ -34,9 +34,15 @@ public: /** Create a PDF stream. A Length entry is automatically added to the * stream dictionary. The stream may be retained (stream->ref() may be * called) so its contents must not be changed after calling this. - * @param stream The data part of the stream. + * @param data The data part of the stream. */ + explicit SkPDFStream(SkData* data); + /** Deprecated constructor. */ explicit SkPDFStream(SkStream* stream); + /** Create a PDF stream with the same content and dictionary entries + * as the passed one. + */ + explicit SkPDFStream(const SkPDFStream& pdfStream); virtual ~SkPDFStream(); // The SkPDFObject interface. @@ -44,13 +50,33 @@ public: bool indirect); virtual size_t getOutputSize(SkPDFCatalog* catalog, bool indirect); +protected: + /* Create a PDF stream with no data. The setData method must be called to + * set the data. + */ + SkPDFStream(); + + void setData(SkStream* stream); + private: - size_t fLength; - // Only one of the two streams will be valid. - SkRefPtr<SkStream> fPlainData; - SkDynamicMemoryWStream fCompressedData; + enum State { + kUnused_State, //!< The stream hasn't been requested yet. + kNoCompression_State, //!< The stream's been requested in an + // uncompressed form. + kCompressed_State, //!< The stream's already been compressed. + }; + // Indicates what form (or if) the stream has been requested. + State fState; + + // TODO(vandebo) Use SkData (after removing deprecated constructor). + SkRefPtr<SkStream> fData; + SkRefPtr<SkPDFStream> fSubstitute; typedef SkPDFDict INHERITED; + + // Populate the stream dictionary. This method returns false if + // fSubstitute should be used. + bool populate(SkPDFCatalog* catalog); }; #endif |