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/*
* Copyright 2010 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkPDFStream_DEFINED
#define SkPDFStream_DEFINED
#include "SkPDFTypes.h"
#include "SkRefCnt.h"
#include "SkStream.h"
#include "SkTemplates.h"
class SkPDFObjNumMap;
/** \class SkPDFStream
A stream object in a PDF. Note, all streams must be indirect objects (via
SkObjRef).
*/
class SkPDFStream : public SkPDFDict {
public:
/** Create a PDF stream. A Length entry is automatically added to the
* stream dictionary.
* @param data The data part of the stream. Will not take ownership.
*/
explicit SkPDFStream(SkData* data) { this->setData(data); }
/** Create a PDF stream. A Length entry is automatically added to the
* stream dictionary.
* @param stream The data part of the stream. Will not take ownership.
*/
explicit SkPDFStream(SkStream* stream) { this->setData(stream); }
virtual ~SkPDFStream();
// The SkPDFObject interface.
void emitObject(SkWStream* stream,
const SkPDFObjNumMap& objNumMap,
const SkPDFSubstituteMap& substitutes) const override;
void drop() override;
protected:
/* Create a PDF stream with no data. The setData method must be called to
* set the data.
*/
SkPDFStream() {}
/** Only call this function once. */
void setData(SkStream* stream);
void setData(SkData* data) {
SkMemoryStream memoryStream(data);
this->setData(&memoryStream);
}
private:
std::unique_ptr<SkStreamRewindable> fCompressedData;
typedef SkPDFDict INHERITED;
};
#endif
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