| // Copyright 2016 The PDFium Authors |
| // 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_FONT_CPDF_TYPE3FONT_H_ |
| #define CORE_FPDFAPI_FONT_CPDF_TYPE3FONT_H_ |
| |
| #include <stdint.h> |
| |
| #include <map> |
| #include <memory> |
| |
| #include "core/fpdfapi/font/cpdf_simplefont.h" |
| #include "core/fxcrt/fx_coordinates.h" |
| #include "core/fxcrt/retain_ptr.h" |
| #include "core/fxcrt/unowned_ptr.h" |
| |
| class CPDF_Dictionary; |
| class CPDF_Document; |
| class CPDF_Type3Char; |
| |
| class CPDF_Type3Font final : public CPDF_SimpleFont { |
| public: |
| CONSTRUCT_VIA_MAKE_RETAIN; |
| ~CPDF_Type3Font() override; |
| |
| // CPDF_Font: |
| bool IsType3Font() const override; |
| const CPDF_Type3Font* AsType3Font() const override; |
| CPDF_Type3Font* AsType3Font() override; |
| void WillBeDestroyed() override; |
| int GetCharWidthF(uint32_t charcode) override; |
| FX_RECT GetCharBBox(uint32_t charcode) override; |
| |
| void SetPageResources(CPDF_Dictionary* pResources) { |
| m_pPageResources.Reset(pResources); |
| } |
| CPDF_Type3Char* LoadChar(uint32_t charcode); |
| void CheckType3FontMetrics(); |
| |
| CFX_Matrix& GetFontMatrix() { return m_FontMatrix; } |
| |
| private: |
| CPDF_Type3Font(CPDF_Document* pDocument, |
| RetainPtr<CPDF_Dictionary> pFontDict, |
| FormFactoryIface* pFormFactory); |
| |
| // CPDF_Font: |
| bool Load() override; |
| |
| // CPDF_SimpleFont: |
| void LoadGlyphMap() override; |
| |
| // The depth char loading is in, to avoid recurive calling LoadChar(). |
| int m_CharLoadingDepth = 0; |
| CFX_Matrix m_FontMatrix; |
| UnownedPtr<FormFactoryIface> const m_pFormFactory; |
| RetainPtr<CPDF_Dictionary> m_pCharProcs; |
| RetainPtr<CPDF_Dictionary> m_pPageResources; |
| RetainPtr<CPDF_Dictionary> m_pFontResources; |
| std::map<uint32_t, std::unique_ptr<CPDF_Type3Char>> m_CacheMap; |
| int m_CharWidthL[256] = {}; |
| }; |
| |
| #endif // CORE_FPDFAPI_FONT_CPDF_TYPE3FONT_H_ |