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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_FONT_CPDF_TYPE3FONT_H_
#define CORE_FPDFAPI_FONT_CPDF_TYPE3FONT_H_
#include <map>
#include <memory>
#include "core/fpdfapi/font/cpdf_simplefont.h"
#include "core/fxcrt/fx_coordinates.h"
#include "core/fxcrt/fx_system.h"
#include "core/fxcrt/unowned_ptr.h"
class CPDF_Dictionary;
class CPDF_Document;
class CPDF_Stream;
class CPDF_Type3Char;
class CPDF_Type3Font final : public CPDF_SimpleFont {
public:
template <typename T, typename... Args>
friend RetainPtr<T> pdfium::MakeRetain(Args&&... args);
~CPDF_Type3Font() override;
// CPDF_Font:
bool IsType3Font() const override;
const CPDF_Type3Font* AsType3Font() const override;
CPDF_Type3Font* AsType3Font() override;
void WillBeDestroyed() override;
uint32_t 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,
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;
uint32_t m_CharWidthL[256];
};
#endif // CORE_FPDFAPI_FONT_CPDF_TYPE3FONT_H_
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