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authorJohn Abd-El-Malek <jam@chromium.org>2014-12-12 17:47:56 -0800
committerJohn Abd-El-Malek <jam@chromium.org>2014-12-12 17:47:56 -0800
commitf6505100fc132ef866adaf3ff1fb7f06d0ca7a9b (patch)
tree73497690daaf5c7f810a4c2a8fa1047c59f738a0 /core/src/fxge/ge
parent217ecf3b39f8d5c01260684848a8886c8ed2bf89 (diff)
downloadpdfium-f6505100fc132ef866adaf3ff1fb7f06d0ca7a9b.tar.xz
TBR=tsepez Review URL: https://codereview.chromium.org/804463003
Diffstat (limited to 'core/src/fxge/ge')
-rw-r--r--core/src/fxge/ge/fx_ge_linux.cpp234
1 files changed, 234 insertions, 0 deletions
diff --git a/core/src/fxge/ge/fx_ge_linux.cpp b/core/src/fxge/ge/fx_ge_linux.cpp
new file mode 100644
index 0000000000..ad0a70ab1f
--- /dev/null
+++ b/core/src/fxge/ge/fx_ge_linux.cpp
@@ -0,0 +1,234 @@
+// 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_
+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