blob: e1897d4655144b0d54429daf4a97ba610c30c499 [file] [log] [blame]
// 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_FXGE_CFX_FONTMAPPER_H_
#define CORE_FXGE_CFX_FONTMAPPER_H_
#include <memory>
#include <utility>
#include <vector>
#include "build/build_config.h"
#include "core/fxcrt/fx_memory_wrappers.h"
#include "core/fxcrt/fx_string.h"
#include "core/fxcrt/retain_ptr.h"
#include "core/fxcrt/unowned_ptr.h"
#include "core/fxge/cfx_face.h"
#include "third_party/base/optional.h"
class CFX_FontMgr;
class CFX_SubstFont;
class SystemFontInfoIface;
class CFX_FontMapper {
public:
enum StandardFont : uint8_t {
kCourier = 0,
kCourierBold,
kCourierBoldOblique,
kCourierOblique,
kHelvetica,
kHelveticaBold,
kHelveticaBoldOblique,
kHelveticaOblique,
kTimes,
kTimesBold,
kTimesBoldOblique,
kTimesOblique,
kSymbol,
kDingbats,
kLast = kDingbats
};
explicit CFX_FontMapper(CFX_FontMgr* mgr);
~CFX_FontMapper();
static Optional<StandardFont> GetStandardFontName(ByteString* name);
static bool IsStandardFontName(const ByteString& name);
static bool IsSymbolicFont(StandardFont font);
static bool IsFixedFont(StandardFont font);
static constexpr uint32_t MakeTag(char c1, char c2, char c3, char c4) {
return static_cast<uint8_t>(c1) << 24 | static_cast<uint8_t>(c2) << 16 |
static_cast<uint8_t>(c3) << 8 | static_cast<uint8_t>(c4);
}
void SetSystemFontInfo(std::unique_ptr<SystemFontInfoIface> pFontInfo);
void AddInstalledFont(const ByteString& name, int charset);
void LoadInstalledFonts();
RetainPtr<CFX_Face> FindSubstFont(const ByteString& face_name,
bool bTrueType,
uint32_t flags,
int weight,
int italic_angle,
int CharsetCP,
CFX_SubstFont* pSubstFont);
bool IsBuiltinFace(const RetainPtr<CFX_Face>& face) const;
int GetFaceSize() const;
ByteString GetFaceName(int index) const { return m_FaceArray[index].name; }
bool HasInstalledFont(ByteStringView name) const;
bool HasLocalizedFont(ByteStringView name) const;
#if defined(OS_WIN)
Optional<ByteString> InstalledFontNameStartingWith(
const ByteString& name) const;
Optional<ByteString> LocalizedFontNameStartingWith(
const ByteString& name) const;
#endif // defined(OS_WIN)
#ifdef PDF_ENABLE_XFA
std::unique_ptr<uint8_t, FxFreeDeleter> RawBytesForIndex(
uint32_t index,
size_t* returned_length);
#endif // PDF_ENABLE_XFA
private:
static constexpr size_t MM_FACE_COUNT = 2;
static constexpr size_t FOXIT_FACE_COUNT = 14;
uint32_t GetChecksumFromTT(void* hFont);
ByteString GetPSNameFromTT(void* hFont);
ByteString MatchInstalledFonts(const ByteString& norm_name);
RetainPtr<CFX_Face> UseInternalSubst(CFX_SubstFont* pSubstFont,
int iBaseFont,
int italic_angle,
int weight,
int pitch_family);
RetainPtr<CFX_Face> GetCachedTTCFace(void* hFont,
uint32_t ttc_size,
uint32_t font_size);
RetainPtr<CFX_Face> GetCachedFace(void* hFont,
ByteString SubstName,
int weight,
bool bItalic,
uint32_t font_size);
struct FaceData {
ByteString name;
uint32_t charset;
};
bool m_bListLoaded = false;
ByteString m_LastFamily;
std::vector<FaceData> m_FaceArray;
std::unique_ptr<SystemFontInfoIface> m_pFontInfo;
UnownedPtr<CFX_FontMgr> const m_pFontMgr;
std::vector<ByteString> m_InstalledTTFonts;
std::vector<std::pair<ByteString, ByteString>> m_LocalizedTTFonts;
RetainPtr<CFX_Face> m_MMFaces[MM_FACE_COUNT];
RetainPtr<CFX_Face> m_FoxitFaces[FOXIT_FACE_COUNT];
};
#endif // CORE_FXGE_CFX_FONTMAPPER_H_