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// Copyright 2014 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 XFA_FGAS_FONT_CFGAS_GEFONT_H_
#define XFA_FGAS_FONT_CFGAS_GEFONT_H_
#include <stdint.h>
#include <map>
#include <memory>
#include <utility>
#include <vector>
#include "build/build_config.h"
#include "core/fxcrt/fx_codepage_forward.h"
#include "core/fxcrt/fx_coordinates.h"
#include "core/fxcrt/fx_string.h"
#include "core/fxcrt/maybe_owned.h"
#include "core/fxcrt/retain_ptr.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
class CFX_Font;
class CFX_UnicodeEncodingEx;
class CPDF_Document;
class CPDF_Font;
class CFGAS_GEFont final : public Retainable {
public:
CONSTRUCT_VIA_MAKE_RETAIN;
static RetainPtr<CFGAS_GEFont> LoadFont(const wchar_t* pszFontFamily,
uint32_t dwFontStyles,
FX_CodePage wCodePage);
static RetainPtr<CFGAS_GEFont> LoadFont(RetainPtr<CPDF_Font> pFont);
static RetainPtr<CFGAS_GEFont> LoadFont(std::unique_ptr<CFX_Font> pFont);
static RetainPtr<CFGAS_GEFont> LoadStockFont(CPDF_Document* pDoc,
const ByteString& font_family);
uint32_t GetFontStyles() const;
absl::optional<uint16_t> GetCharWidth(wchar_t wUnicode);
int32_t GetGlyphIndex(wchar_t wUnicode);
int32_t GetAscent() const;
int32_t GetDescent() const;
absl::optional<FX_RECT> GetCharBBox(wchar_t wUnicode);
RetainPtr<CFGAS_GEFont> GetSubstFont(int32_t iGlyphIndex);
CFX_Font* GetDevFont() const { return m_pFont.Get(); }
void SetLogicalFontStyle(uint32_t dwLogFontStyle) {
m_dwLogFontStyle = dwLogFontStyle;
}
private:
CFGAS_GEFont();
~CFGAS_GEFont() override;
#if BUILDFLAG(IS_WIN)
bool LoadFontInternal(const wchar_t* pszFontFamily,
uint32_t dwFontStyles,
FX_CodePage wCodePage);
#endif
bool LoadFontInternal(std::unique_ptr<CFX_Font> pInternalFont);
bool LoadFontInternal(RetainPtr<CPDF_Font> pPDFFont);
bool InitFont();
std::pair<int32_t, RetainPtr<CFGAS_GEFont>> GetGlyphIndexAndFont(
wchar_t wUnicode,
bool bRecursive);
WideString GetFamilyName() const;
absl::optional<uint32_t> m_dwLogFontStyle;
RetainPtr<CPDF_Font> m_pPDFFont; // Must come before |m_pFont|.
MaybeOwned<CFX_Font> m_pFont; // Must come before |m_pFontEncoding|.
std::unique_ptr<CFX_UnicodeEncodingEx> m_pFontEncoding;
std::map<wchar_t, absl::optional<uint16_t>> m_CharWidthMap;
std::map<wchar_t, FX_RECT> m_BBoxMap;
std::vector<RetainPtr<CFGAS_GEFont>> m_SubstFonts;
std::map<wchar_t, RetainPtr<CFGAS_GEFont>> m_FontMapper;
};
#endif // XFA_FGAS_FONT_CFGAS_GEFONT_H_