mirror of https://github.com/axmolengine/axmol.git
85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SkPDFDocument_DEFINED
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#define SkPDFDocument_DEFINED
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#include "SkPDFCatalog.h"
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#include "SkPDFTypes.h"
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#include "SkRefCnt.h"
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#include "SkTDArray.h"
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class SkPDFDevice;
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class SkPDFPage;
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class SkWSteam;
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/** \class SkPDFDocument
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A SkPDFDocument assembles pages together and generates the final PDF file.
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*/
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class SkPDFDocument {
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public:
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/** Create a PDF document.
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*/
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SK_API SkPDFDocument();
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SK_API ~SkPDFDocument();
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/** Output the PDF to the passed stream.
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* @param stream The writable output stream to send the PDF to.
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*/
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SK_API bool emitPDF(SkWStream* stream);
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/** Append the passed pdf device to the document as a new page. Returns
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* true if successful. Will fail if the document has already been emitted.
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*
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* @param pdfDevice The page to add to this document.
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*/
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SK_API bool appendPage(const SkRefPtr<SkPDFDevice>& pdfDevice);
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/** Get the list of pages in this document.
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*/
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SK_API const SkTDArray<SkPDFPage*>& getPages();
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private:
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SkPDFCatalog fCatalog;
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int64_t fXRefFileOffset;
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SkTDArray<SkPDFPage*> fPages;
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SkTDArray<SkPDFDict*> fPageTree;
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SkRefPtr<SkPDFDict> fDocCatalog;
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SkTDArray<SkPDFObject*> fPageResources;
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int fSecondPageFirstResourceIndex;
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SkRefPtr<SkPDFDict> fTrailerDict;
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/** Output the PDF header to the passed stream.
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* @param stream The writable output stream to send the header to.
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*/
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void emitHeader(SkWStream* stream);
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/** Get the size of the header.
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*/
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size_t headerSize();
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/** Output the PDF footer to the passed stream.
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* @param stream The writable output stream to send the footer to.
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* @param objCount The number of objects in the PDF.
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*/
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void emitFooter(SkWStream* stream, int64_t objCount);
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};
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#endif
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