// Copyright 2016 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_PAGEOBJECTHOLDER_H_
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#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_PAGEOBJECTHOLDER_H_
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#include "core/fpdfapi/fpdf_page/cpdf_pageobjectlist.h"
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#include "core/fxcrt/include/fx_coordinates.h"
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#include "core/fxcrt/include/fx_system.h"
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class IFX_Pause;
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class CPDF_Dictionary;
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class CPDF_Stream;
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class CPDF_Document;
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class CPDF_ContentParser;
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#define PDFTRANS_GROUP 0x0100
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#define PDFTRANS_ISOLATED 0x0200
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#define PDFTRANS_KNOCKOUT 0x0400
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class CPDF_PageObjectHolder {
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public:
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CPDF_PageObjectHolder();
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virtual ~CPDF_PageObjectHolder();
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void ContinueParse(IFX_Pause* pPause);
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bool IsParsed() const { return m_ParseState == CONTENT_PARSED; }
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CPDF_PageObjectList* GetPageObjectList() { return &m_PageObjectList; }
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const CPDF_PageObjectList* GetPageObjectList() const {
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return &m_PageObjectList;
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}
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FX_BOOL BackgroundAlphaNeeded() const { return m_bBackgroundAlphaNeeded; }
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void SetBackgroundAlphaNeeded(FX_BOOL needed) {
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m_bBackgroundAlphaNeeded = needed;
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}
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FX_BOOL HasImageMask() const { return m_bHasImageMask; }
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void SetHasImageMask(FX_BOOL value) { m_bHasImageMask = value; }
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void Transform(const CFX_Matrix& matrix);
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CFX_FloatRect CalcBoundingBox() const;
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CPDF_Dictionary* m_pFormDict;
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CPDF_Stream* m_pFormStream;
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CPDF_Document* m_pDocument;
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CPDF_Dictionary* m_pPageResources;
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CPDF_Dictionary* m_pResources;
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CFX_FloatRect m_BBox;
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int m_Transparency;
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protected:
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enum ParseState { CONTENT_NOT_PARSED, CONTENT_PARSING, CONTENT_PARSED };
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void LoadTransInfo();
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FX_BOOL m_bBackgroundAlphaNeeded;
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FX_BOOL m_bHasImageMask;
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ParseState m_ParseState;
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std::unique_ptr<CPDF_ContentParser> m_pParser;
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CPDF_PageObjectList m_PageObjectList;
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};
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#endif // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_PAGEOBJECTHOLDER_H_
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