| // 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_FORM_H_ |
| #define CORE_FPDFAPI_PAGE_CPDF_FORM_H_ |
| |
| #include <memory> |
| #include <set> |
| #include <utility> |
| |
| #include "core/fpdfapi/font/cpdf_font.h" |
| #include "core/fpdfapi/page/cpdf_pageobjectholder.h" |
| |
| class CFX_Matrix; |
| class CPDF_AllStates; |
| class CPDF_Dictionary; |
| class CPDF_Document; |
| class CPDF_ImageObject; |
| class CPDF_Stream; |
| class CPDF_Type3Char; |
| |
| class CPDF_Form final : public CPDF_PageObjectHolder, |
| public CPDF_Font::FormIface { |
| public: |
| // Helper method to choose the first non-null resources dictionary. |
| static CPDF_Dictionary* ChooseResourcesDict(CPDF_Dictionary* pResources, |
| CPDF_Dictionary* pParentResources, |
| CPDF_Dictionary* pPageResources); |
| |
| CPDF_Form(CPDF_Document* pDocument, |
| CPDF_Dictionary* pPageResources, |
| CPDF_Stream* pFormStream); |
| CPDF_Form(CPDF_Document* pDocument, |
| CPDF_Dictionary* pPageResources, |
| CPDF_Stream* pFormStream, |
| CPDF_Dictionary* pParentResources); |
| ~CPDF_Form() override; |
| |
| // CPDF_Font::FormIface: |
| void ParseContentForType3Char(CPDF_Type3Char* pType3Char) override; |
| bool HasPageObjects() const override; |
| CFX_FloatRect CalcBoundingBox() const override; |
| Optional<std::pair<RetainPtr<CFX_DIBitmap>, CFX_Matrix>> |
| GetBitmapAndMatrixFromSoleImageOfForm() const override; |
| |
| void ParseContent(); |
| void ParseContent(const CPDF_AllStates* pGraphicStates, |
| const CFX_Matrix* pParentMatrix, |
| std::set<const uint8_t*>* pParsedSet); |
| |
| const CPDF_Stream* GetStream() const; |
| |
| private: |
| void ParseContentInternal(const CPDF_AllStates* pGraphicStates, |
| const CFX_Matrix* pParentMatrix, |
| CPDF_Type3Char* pType3Char, |
| std::set<const uint8_t*>* pParsedSet); |
| |
| std::unique_ptr<std::set<const uint8_t*>> m_ParsedSet; |
| RetainPtr<CPDF_Stream> const m_pFormStream; |
| }; |
| |
| #endif // CORE_FPDFAPI_PAGE_CPDF_FORM_H_ |