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