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// Copyright 2014 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
#include <memory>
#include <utility>
#include "core/fxcrt/fx_codepage.h"
#include "core/fxge/apple/apple_int.h"
#include "core/fxge/cfx_folderfontinfo.h"
#include "core/fxge/cfx_fontmgr.h"
#include "core/fxge/cfx_gemodule.h"
#include "core/fxge/fx_font.h"
#include "core/fxge/systemfontinfo_iface.h"
#include "third_party/base/ptr_util.h"
namespace {
const struct {
const char* m_pName;
const char* m_pSubstName;
} g_Base14Substs[] = {
{"Courier", "Courier New"},
{"Courier-Bold", "Courier New Bold"},
{"Courier-BoldOblique", "Courier New Bold Italic"},
{"Courier-Oblique", "Courier New Italic"},
{"Helvetica", "Arial"},
{"Helvetica-Bold", "Arial Bold"},
{"Helvetica-BoldOblique", "Arial Bold Italic"},
{"Helvetica-Oblique", "Arial Italic"},
{"Times-Roman", "Times New Roman"},
{"Times-Bold", "Times New Roman Bold"},
{"Times-BoldItalic", "Times New Roman Bold Italic"},
{"Times-Italic", "Times New Roman Italic"},
};
class CFX_MacFontInfo final : public CFX_FolderFontInfo {
public:
CFX_MacFontInfo() {}
~CFX_MacFontInfo() override {}
// CFX_FolderFontInfo
void* MapFont(int weight,
bool bItalic,
int charset,
int pitch_family,
const char* family) override;
bool ParseFontCfg(const char** pUserPaths);
};
const char JAPAN_GOTHIC[] = "Hiragino Kaku Gothic Pro W6";
const char JAPAN_MINCHO[] = "Hiragino Mincho Pro W6";
void GetJapanesePreference(ByteString* face, int weight, int pitch_family) {
if (face->Contains("Gothic")) {
*face = JAPAN_GOTHIC;
return;
}
*face = (FontFamilyIsRoman(pitch_family) || weight <= 400) ? JAPAN_MINCHO
: JAPAN_GOTHIC;
}
void* CFX_MacFontInfo::MapFont(int weight,
bool bItalic,
int charset,
int pitch_family,
const char* cstr_face) {
ByteString face = cstr_face;
for (const auto& sub : g_Base14Substs) {
if (face == ByteStringView(sub.m_pName)) {
face = sub.m_pSubstName;
return GetFont(face.c_str());
}
}
// The request may not ask for the bold and/or italic version of a font by
// name. So try to construct the appropriate name. This is not 100% foolproof
// as there are fonts that have "Oblique" or "BoldOblique" or "Heavy" in their
// names instead. But this at least works for common fonts like Arial and
// Times New Roman. A more sophisticated approach would be to find all the
// fonts in |m_FontList| with |face| in the name, and examine the fonts to
// see which best matches the requested characteristics.
if (!face.Contains("Bold") && !face.Contains("Italic")) {
ByteString new_face = face;
if (weight > 400)
new_face += " Bold";
if (bItalic)
new_face += " Italic";
auto it = m_FontList.find(new_face);
if (it != m_FontList.end())
return it->second.get();
}
auto it = m_FontList.find(face);
if (it != m_FontList.end())
return it->second.get();
if (charset == FX_CHARSET_ANSI && FontFamilyIsFixedPitch(pitch_family))
return GetFont("Courier New");
if (charset == FX_CHARSET_ANSI || charset == FX_CHARSET_Symbol)
return nullptr;
switch (charset) {
case FX_CHARSET_ShiftJIS:
GetJapanesePreference(&face, weight, pitch_family);
break;
case FX_CHARSET_ChineseSimplified:
face = "STSong";
break;
case FX_CHARSET_Hangul:
face = "AppleMyungjo";
break;
case FX_CHARSET_ChineseTraditional:
face = "LiSong Pro Light";
}
it = m_FontList.find(face);
return it != m_FontList.end() ? it->second.get() : nullptr;
}
bool CFX_MacFontInfo::ParseFontCfg(const char** pUserPaths) {
if (!pUserPaths)
return false;
for (const char** pPath = pUserPaths; *pPath; ++pPath)
AddPath(*pPath);
return true;
}
} // namespace
std::unique_ptr<SystemFontInfoIface> SystemFontInfoIface::CreateDefault(
const char** pUserPaths) {
auto pInfo = pdfium::MakeUnique<CFX_MacFontInfo>();
if (!pInfo->ParseFontCfg(pUserPaths)) {
pInfo->AddPath("~/Library/Fonts");
pInfo->AddPath("/Library/Fonts");
pInfo->AddPath("/System/Library/Fonts");
}
return std::move(pInfo);
}
CApplePlatform::CApplePlatform() = default;
CApplePlatform::~CApplePlatform() = default;
void CApplePlatform::Init() {
CFX_GEModule* pModule = CFX_GEModule::Get();
pModule->GetFontMgr()->SetSystemFontInfo(
SystemFontInfoIface::CreateDefault(pModule->GetUserFontPaths()));
}
// static
std::unique_ptr<CFX_GEModule::PlatformIface>
CFX_GEModule::PlatformIface::Create() {
return pdfium::MakeUnique<CApplePlatform>();
}
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