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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 !defined(_FPDFAPI_MINI_) && _FXM_PLATFORM_ == _FXM_PLATFORM_LINUX_
#if (_FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ && (!defined(_FPDFAPI_MINI_)))
void CFX_AggDeviceDriver::InitPlatform()
{
}
void CFX_AggDeviceDriver::DestroyPlatform()
{
}
void CFX_FaceCache::InitPlatform()
{
}
FX_BOOL CFX_AggDeviceDriver::DrawDeviceText(int nChars, const FXTEXT_CHARPOS* pCharPos, CFX_Font* pFont,
CFX_FontCache* pCache, const CFX_AffineMatrix* pObject2Device,
FX_FLOAT font_size, FX_DWORD argb)
{
return FALSE;
}
CFX_GlyphBitmap* CFX_FaceCache::RenderGlyph_Nativetext(CFX_Font* pFont, FX_DWORD glyph_index, const CFX_AffineMatrix* pMatrix,
int dest_width, int anti_alias)
{
return NULL;
}
void CFX_Font::ReleasePlatformResource()
{
}
#endif
static const struct {
FX_LPCSTR m_pName;
FX_LPCSTR m_pSubstName;
}
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_LinuxFontInfo : public CFX_FolderFontInfo
{
public:
virtual void* MapFont(int weight, FX_BOOL bItalic, int charset, int pitch_family, FX_LPCSTR family, FX_BOOL& bExact);
FX_BOOL ParseFontCfg();
void* FindFont(int weight, FX_BOOL bItalic, int charset, int pitch_family, FX_LPCSTR family, FX_BOOL bMatchName);
};
#define LINUX_GPNAMESIZE 6
static const struct {
FX_LPCSTR 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_LPCSTR g_LinuxGbFontList[] = {
"AR PL UMing CN Light",
"WenQuanYi Micro Hei",
"AR PL UKai CN",
};
static const FX_LPCSTR g_LinuxB5FontList[] = {
"AR PL UMing TW Light",
"WenQuanYi Micro Hei",
"AR PL UKai TW",
};
static const FX_LPCSTR g_LinuxHGFontList[] = {
"UnDotum",
};
static FX_INT32 GetJapanesePreference(FX_LPCSTR 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;
} else {
return 1;
}
} else 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;
} else {
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, FX_LPCSTR cstr_face, FX_BOOL& bExact)
{
CFX_ByteString face = cstr_face;
int iBaseFont;
for (iBaseFont = 0; iBaseFont < 12; iBaseFont ++)
if (face == CFX_ByteStringC(Base14Substs[iBaseFont].m_pName)) {
face = Base14Substs[iBaseFont].m_pSubstName;
bExact = TRUE;
break;
}
if (iBaseFont < 12) {
return GetFont(face);
}
FX_LPVOID p = NULL;
FX_BOOL bCJK = TRUE;
switch (charset) {
case FXFONT_SHIFTJIS_CHARSET: {
FX_INT32 index = GetJapanesePreference(cstr_face, weight, pitch_family);
if (index < 0) {
break;
}
for (FX_INT32 i = 0; i < LINUX_GPNAMESIZE; i++)
if (m_FontList.Lookup(LinuxGpFontList[index].NameArr[i], p)) {
return p;
}
}
break;
case FXFONT_GB2312_CHARSET: {
static FX_INT32 s_gbCount = sizeof(g_LinuxGbFontList) / sizeof(FX_LPCSTR);
for (FX_INT32 i = 0; i < s_gbCount; i++)
if (m_FontList.Lookup(g_LinuxGbFontList[i], p)) {
return p;
}
}
break;
case FXFONT_CHINESEBIG5_CHARSET: {
static FX_INT32 s_b5Count = sizeof(g_LinuxB5FontList) / sizeof(FX_LPCSTR);
for (FX_INT32 i = 0; i < s_b5Count; i++)
if (m_FontList.Lookup(g_LinuxB5FontList[i], p)) {
return p;
}
}
break;
case FXFONT_HANGEUL_CHARSET: {
static FX_INT32 s_hgCount = sizeof(g_LinuxHGFontList) / sizeof(FX_LPCSTR);
for (FX_INT32 i = 0; i < s_hgCount; i++)
if (m_FontList.Lookup(g_LinuxHGFontList[i], p)) {
return p;
}
}
break;
default:
bCJK = FALSE;
break;
}
if (charset == FXFONT_ANSI_CHARSET && (pitch_family & FXFONT_FF_FIXEDPITCH)) {
return GetFont("Courier New");
}
return FindFont(weight, bItalic, charset, pitch_family, cstr_face, !bCJK);
}
static FX_DWORD _LinuxGetCharset(int charset)
{
switch(charset) {
case FXFONT_SHIFTJIS_CHARSET:
return CHARSET_FLAG_SHIFTJIS;
case FXFONT_GB2312_CHARSET:
return CHARSET_FLAG_GB;
case FXFONT_CHINESEBIG5_CHARSET:
return CHARSET_FLAG_BIG5;
case FXFONT_HANGEUL_CHARSET:
return CHARSET_FLAG_KOREAN;
case FXFONT_SYMBOL_CHARSET:
return CHARSET_FLAG_SYMBOL;
case FXFONT_ANSI_CHARSET:
return CHARSET_FLAG_ANSI;
default:
break;
}
return 0;
}
static FX_INT32 _LinuxGetSimilarValue(int weight, FX_BOOL bItalic, int pitch_family, FX_DWORD style)
{
FX_INT32 iSimilarValue = 0;
if ((style & FXFONT_BOLD) == (weight > 400)) {
iSimilarValue += 16;
}
if ((style & FXFONT_ITALIC) == bItalic) {
iSimilarValue += 16;
}
if ((style & FXFONT_SERIF) == (pitch_family & FXFONT_FF_ROMAN)) {
iSimilarValue += 16;
}
if ((style & FXFONT_SCRIPT) == (pitch_family & FXFONT_FF_SCRIPT)) {
iSimilarValue += 8;
}
if ((style & FXFONT_FIXED_PITCH) == (pitch_family & FXFONT_FF_FIXEDPITCH)) {
iSimilarValue += 8;
}
return iSimilarValue;
}
void* CFX_LinuxFontInfo::FindFont(int weight, FX_BOOL bItalic, int charset, int pitch_family, FX_LPCSTR family, FX_BOOL bMatchName)
{
CFontFaceInfo* pFind = NULL;
FX_DWORD charset_flag = _LinuxGetCharset(charset);
FX_INT32 iBestSimilar = 0;
FX_POSITION pos = m_FontList.GetStartPosition();
while (pos) {
CFX_ByteString bsName;
CFontFaceInfo* pFont = NULL;
m_FontList.GetNextAssoc(pos, bsName, (FX_LPVOID&)pFont);
if (!(pFont->m_Charsets & charset_flag) && charset != FXFONT_DEFAULT_CHARSET) {
continue;
}
FX_INT32 iSimilarValue = 0;
FX_INT32 index = bsName.Find(family);
if (bMatchName && index < 0) {
continue;
}
if (!bMatchName && index > 0) {
iSimilarValue += 64;
}
iSimilarValue = _LinuxGetSimilarValue(weight, bItalic, pitch_family, pFont->m_Styles);
if (iSimilarValue > iBestSimilar) {
iBestSimilar = iSimilarValue;
pFind = pFont;
}
}
return pFind;
}
IFX_SystemFontInfo* IFX_SystemFontInfo::CreateDefault()
{
CFX_LinuxFontInfo* pInfo = FX_NEW CFX_LinuxFontInfo;
if (!pInfo) {
return NULL;
}
if (!pInfo->ParseFontCfg()) {
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()
{
return FALSE;
}
void CFX_GEModule::InitPlatform()
{
m_pFontMgr->SetSystemFontInfo(IFX_SystemFontInfo::CreateDefault());
}
void CFX_GEModule::DestroyPlatform()
{
}
#endif
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