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1 // Copyright 2016 PDFium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
6 | |
7 #ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_PAGEOBJECTHOLDER_H_ | |
8 #define CORE_FPDFAPI_FPDF_PAGE_CPDF_PAGEOBJECTHOLDER_H_ | |
9 | |
10 #include "core/fpdfapi/fpdf_page/cpdf_pageobjectlist.h" | |
11 #include "core/fxcrt/fx_coordinates.h" | |
12 #include "core/fxcrt/fx_system.h" | |
13 | |
14 class IFX_Pause; | |
15 class CPDF_Dictionary; | |
16 class CPDF_Stream; | |
17 class CPDF_Document; | |
18 class CPDF_ContentParser; | |
19 | |
20 #define PDFTRANS_GROUP 0x0100 | |
21 #define PDFTRANS_ISOLATED 0x0200 | |
22 #define PDFTRANS_KNOCKOUT 0x0400 | |
23 | |
24 class CPDF_PageObjectHolder { | |
25 public: | |
26 CPDF_PageObjectHolder(); | |
27 virtual ~CPDF_PageObjectHolder(); | |
28 | |
29 void ContinueParse(IFX_Pause* pPause); | |
30 bool IsParsed() const { return m_ParseState == CONTENT_PARSED; } | |
31 | |
32 CPDF_PageObjectList* GetPageObjectList() { return &m_PageObjectList; } | |
33 const CPDF_PageObjectList* GetPageObjectList() const { | |
34 return &m_PageObjectList; | |
35 } | |
36 | |
37 FX_BOOL BackgroundAlphaNeeded() const { return m_bBackgroundAlphaNeeded; } | |
38 void SetBackgroundAlphaNeeded(FX_BOOL needed) { | |
39 m_bBackgroundAlphaNeeded = needed; | |
40 } | |
41 | |
42 FX_BOOL HasImageMask() const { return m_bHasImageMask; } | |
43 void SetHasImageMask(FX_BOOL value) { m_bHasImageMask = value; } | |
44 | |
45 void Transform(const CFX_Matrix& matrix); | |
46 CFX_FloatRect CalcBoundingBox() const; | |
47 | |
48 CPDF_Dictionary* m_pFormDict; | |
49 CPDF_Stream* m_pFormStream; | |
50 CPDF_Document* m_pDocument; | |
51 CPDF_Dictionary* m_pPageResources; | |
52 CPDF_Dictionary* m_pResources; | |
53 CFX_FloatRect m_BBox; | |
54 int m_Transparency; | |
55 | |
56 protected: | |
57 enum ParseState { CONTENT_NOT_PARSED, CONTENT_PARSING, CONTENT_PARSED }; | |
58 | |
59 void LoadTransInfo(); | |
60 | |
61 FX_BOOL m_bBackgroundAlphaNeeded; | |
62 FX_BOOL m_bHasImageMask; | |
63 ParseState m_ParseState; | |
64 std::unique_ptr<CPDF_ContentParser> m_pParser; | |
65 CPDF_PageObjectList m_PageObjectList; | |
66 }; | |
67 | |
68 #endif // CORE_FPDFAPI_FPDF_PAGE_CPDF_PAGEOBJECTHOLDER_H_ | |
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