axmol/cocos2dx/platform/third_party/qnx/grskia/SkPDFStream.h

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2011-12-07 16:22:40 +08:00
/*
* Copyright (C) 2010 Google Inc.
*
* Licensed 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.
*/
#ifndef SkPDFStream_DEFINED
#define SkPDFStream_DEFINED
#include "SkPDFTypes.h"
#include "SkRefCnt.h"
#include "SkStream.h"
#include "SkTemplates.h"
class SkPDFCatalog;
/** \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. 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.
*/
explicit SkPDFStream(SkStream* stream);
virtual ~SkPDFStream();
// The SkPDFObject interface.
virtual void emitObject(SkWStream* stream, SkPDFCatalog* catalog,
bool indirect);
virtual size_t getOutputSize(SkPDFCatalog* catalog, bool indirect);
private:
size_t fLength;
// Only one of the two streams will be valid.
SkRefPtr<SkStream> fPlainData;
SkDynamicMemoryWStream fCompressedData;
typedef SkPDFDict INHERITED;
};
#endif