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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 "../../../include/fxge/fx_ge.h"
#include "../agg/include/fx_agg_driver.h"
#include "text_int.h"
#if _FXM_PLATFORM_ == _FXM_PLATFORM_LINUX_
class CFX_LinuxFontInfo : public CFX_FolderFontInfo {
public:
void* MapFont(int weight,
FX_BOOL bItalic,
int charset,
int pitch_family,
const FX_CHAR* family,
int& iExact) override;
FX_BOOL ParseFontCfg(const char** pUserPaths);
};
#define LINUX_GPNAMESIZE 6
static const struct {
const FX_CHAR* NameArr[LINUX_GPNAMESIZE];
} LinuxGpFontList[] = {
{{"TakaoPGothic", "VL PGothic", "IPAPGothic", "VL Gothic", "Kochi Gothic",
"VL Gothic regular"}},
{{"TakaoGothic", "VL Gothic", "IPAGothic", "Kochi Gothic", NULL,
"VL Gothic regular"}},
{{"TakaoPMincho", "IPAPMincho", "VL Gothic", "Kochi Mincho", NULL,
"VL Gothic regular"}},
{{"TakaoMincho", "IPAMincho", "VL Gothic", "Kochi Mincho", NULL,
"VL Gothic regular"}},
};
static const FX_CHAR* const g_LinuxGbFontList[] = {
"AR PL UMing CN Light", "WenQuanYi Micro Hei", "AR PL UKai CN",
};
static const FX_CHAR* const g_LinuxB5FontList[] = {
"AR PL UMing TW Light", "WenQuanYi Micro Hei", "AR PL UKai TW",
};
static const FX_CHAR* const g_LinuxHGFontList[] = {
"UnDotum",
};
static int32_t GetJapanesePreference(const FX_CHAR* facearr,
int weight,
int picth_family) {
CFX_ByteString face = facearr;
if (face.Find("Gothic") >= 0 ||
face.Find("\x83\x53\x83\x56\x83\x62\x83\x4e") >= 0) {
if (face.Find("PGothic") >= 0 ||
face.Find("\x82\x6f\x83\x53\x83\x56\x83\x62\x83\x4e") >= 0) {
return 0;
}
return 1;
}
if (face.Find("Mincho") >= 0 || face.Find("\x96\xbe\x92\xa9") >= 0) {
if (face.Find("PMincho") >= 0 ||
face.Find("\x82\x6f\x96\xbe\x92\xa9") >= 0) {
return 2;
}
return 3;
}
if (!(picth_family & FXFONT_FF_ROMAN) && weight > 400) {
return 0;
}
return 2;
}
void* CFX_LinuxFontInfo::MapFont(int weight,
FX_BOOL bItalic,
int charset,
int pitch_family,
const FX_CHAR* cstr_face,
int& iExact) {
void* font = GetSubstFont(cstr_face);
if (font) {
iExact = 1;
return font;
}
FX_BOOL bCJK = TRUE;
switch (charset) {
case FXFONT_SHIFTJIS_CHARSET: {
int32_t index = GetJapanesePreference(cstr_face, weight, pitch_family);
if (index < 0) {
break;
}
for (int32_t i = 0; i < LINUX_GPNAMESIZE; i++) {
auto it = m_FontList.find(LinuxGpFontList[index].NameArr[i]);
if (it != m_FontList.end()) {
return it->second;
}
}
} break;
case FXFONT_GB2312_CHARSET: {
for (size_t i = 0; i < FX_ArraySize(g_LinuxGbFontList); ++i) {
auto it = m_FontList.find(g_LinuxGbFontList[i]);
if (it != m_FontList.end()) {
return it->second;
}
}
} break;
case FXFONT_CHINESEBIG5_CHARSET: {
for (size_t i = 0; i < FX_ArraySize(g_LinuxB5FontList); ++i) {
auto it = m_FontList.find(g_LinuxB5FontList[i]);
if (it != m_FontList.end()) {
return it->second;
}
}
} break;
case FXFONT_HANGEUL_CHARSET: {
for (size_t i = 0; i < FX_ArraySize(g_LinuxHGFontList); ++i) {
auto it = m_FontList.find(g_LinuxHGFontList[i]);
if (it != m_FontList.end()) {
return it->second;
}
}
} break;
default:
bCJK = FALSE;
break;
}
return FindFont(weight, bItalic, charset, pitch_family, cstr_face, !bCJK);
}
IFX_SystemFontInfo* IFX_SystemFontInfo::CreateDefault(const char** pUserPaths) {
CFX_LinuxFontInfo* pInfo = new CFX_LinuxFontInfo;
if (!pInfo->ParseFontCfg(pUserPaths)) {
pInfo->AddPath("/usr/share/fonts");
pInfo->AddPath("/usr/share/X11/fonts/Type1");
pInfo->AddPath("/usr/share/X11/fonts/TTF");
pInfo->AddPath("/usr/local/share/fonts");
}
return pInfo;
}
FX_BOOL CFX_LinuxFontInfo::ParseFontCfg(const char** pUserPaths) {
if (!pUserPaths) {
return FALSE;
}
for (const char** pPath = pUserPaths; *pPath; ++pPath) {
AddPath(*pPath);
}
return TRUE;
}
void CFX_GEModule::InitPlatform() {
m_pFontMgr->SetSystemFontInfo(
IFX_SystemFontInfo::CreateDefault(m_pUserFontPaths));
}
void CFX_GEModule::DestroyPlatform() {}
#endif // _FXM_PLATFORM_ == _FXM_PLATFORM_LINUX_
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