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// 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_SIMPLEFONT_H_
#define CORE_FPDFAPI_FONT_CPDF_SIMPLEFONT_H_
#include <stdint.h>
#include <array>
#include <vector>
#include "core/fpdfapi/font/cpdf_font.h"
#include "core/fpdfapi/font/cpdf_fontencoding.h"
#include "core/fxcrt/fx_string.h"
class CPDF_SimpleFont : public CPDF_Font {
public:
~CPDF_SimpleFont() override;
// CPDF_Font
int GetCharWidthF(uint32_t charcode) override;
FX_RECT GetCharBBox(uint32_t charcode) override;
int GlyphFromCharCode(uint32_t charcode, bool* pVertGlyph) override;
bool IsUnicodeCompatible() const override;
WideString UnicodeFromCharCode(uint32_t charcode) const override;
uint32_t CharCodeFromUnicode(wchar_t Unicode) const override;
const CPDF_FontEncoding* GetEncoding() const { return &m_Encoding; }
bool HasFontWidths() const override;
protected:
static constexpr size_t kInternalTableSize = 256;
CPDF_SimpleFont(CPDF_Document* pDocument,
RetainPtr<CPDF_Dictionary> pFontDict);
virtual void LoadGlyphMap() = 0;
bool LoadCommon();
void LoadSubstFont();
void LoadCharMetrics(int charcode);
void LoadCharWidths(const CPDF_Dictionary* font_desc);
void LoadDifferences(const CPDF_Dictionary* encoding);
void LoadPDFEncoding(bool bEmbedded, bool bTrueType);
CPDF_FontEncoding m_Encoding{FontEncoding::kBuiltin};
FontEncoding m_BaseEncoding = FontEncoding::kBuiltin;
bool m_bUseFontWidth = false;
std::vector<ByteString> m_CharNames;
std::array<uint16_t, kInternalTableSize> m_GlyphIndex;
std::array<uint16_t, kInternalTableSize> m_CharWidth;
std::array<FX_RECT, kInternalTableSize> m_CharBBox;
};
#endif // CORE_FPDFAPI_FONT_CPDF_SIMPLEFONT_H_