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authorDan Sinclair <dsinclair@chromium.org>2016-03-14 13:51:24 -0400
committerDan Sinclair <dsinclair@chromium.org>2016-03-14 13:51:24 -0400
commitf766ad219f66543654520f6a1955836f519e26d1 (patch)
tree2edf8bc93b89503a3669f7add5b6c2a407b8a78c /fpdfsdk/pdfwindow/PWL_FontMap.cpp
parent54b0abed08048008498471e39b7c72b034474090 (diff)
downloadpdfium-f766ad219f66543654520f6a1955836f519e26d1.tar.xz
Move fpdfsdk/src up to fpdfsdk/.
This CL moves the files in fpdfsdk/src/ up one level to fpdfsdk/ and fixes up the include paths, include guards and build files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1799773002 .
Diffstat (limited to 'fpdfsdk/pdfwindow/PWL_FontMap.cpp')
-rw-r--r--fpdfsdk/pdfwindow/PWL_FontMap.cpp499
1 files changed, 499 insertions, 0 deletions
diff --git a/fpdfsdk/pdfwindow/PWL_FontMap.cpp b/fpdfsdk/pdfwindow/PWL_FontMap.cpp
new file mode 100644
index 0000000000..0a70357efd
--- /dev/null
+++ b/fpdfsdk/pdfwindow/PWL_FontMap.cpp
@@ -0,0 +1,499 @@
+// 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 "fpdfsdk/include/pdfwindow/PWL_FontMap.h"
+
+#include "core/include/fpdfapi/cpdf_document.h"
+#include "core/include/fpdfapi/fpdf_module.h"
+#include "fpdfsdk/include/pdfwindow/PWL_Wnd.h"
+
+namespace {
+
+const char kDefaultFontName[] = "Helvetica";
+
+const char* const g_sDEStandardFontName[] = {"Courier",
+ "Courier-Bold",
+ "Courier-BoldOblique",
+ "Courier-Oblique",
+ "Helvetica",
+ "Helvetica-Bold",
+ "Helvetica-BoldOblique",
+ "Helvetica-Oblique",
+ "Times-Roman",
+ "Times-Bold",
+ "Times-Italic",
+ "Times-BoldItalic",
+ "Symbol",
+ "ZapfDingbats"};
+
+} // namespace
+
+CPWL_FontMap::CPWL_FontMap(IFX_SystemHandler* pSystemHandler)
+ : m_pPDFDoc(NULL), m_pSystemHandler(pSystemHandler) {
+ ASSERT(m_pSystemHandler);
+}
+
+CPWL_FontMap::~CPWL_FontMap() {
+ delete m_pPDFDoc;
+ m_pPDFDoc = NULL;
+
+ Empty();
+}
+
+void CPWL_FontMap::SetSystemHandler(IFX_SystemHandler* pSystemHandler) {
+ m_pSystemHandler = pSystemHandler;
+}
+
+CPDF_Document* CPWL_FontMap::GetDocument() {
+ if (!m_pPDFDoc) {
+ if (CPDF_ModuleMgr::Get()) {
+ m_pPDFDoc = new CPDF_Document;
+ m_pPDFDoc->CreateNewDoc();
+ }
+ }
+
+ return m_pPDFDoc;
+}
+
+CPDF_Font* CPWL_FontMap::GetPDFFont(int32_t nFontIndex) {
+ if (nFontIndex >= 0 && nFontIndex < m_aData.GetSize()) {
+ if (CPWL_FontMap_Data* pData = m_aData.GetAt(nFontIndex)) {
+ return pData->pFont;
+ }
+ }
+
+ return NULL;
+}
+
+CFX_ByteString CPWL_FontMap::GetPDFFontAlias(int32_t nFontIndex) {
+ if (nFontIndex >= 0 && nFontIndex < m_aData.GetSize()) {
+ if (CPWL_FontMap_Data* pData = m_aData.GetAt(nFontIndex)) {
+ return pData->sFontName;
+ }
+ }
+
+ return "";
+}
+
+FX_BOOL CPWL_FontMap::KnowWord(int32_t nFontIndex, FX_WORD word) {
+ if (nFontIndex >= 0 && nFontIndex < m_aData.GetSize()) {
+ if (m_aData.GetAt(nFontIndex)) {
+ return CharCodeFromUnicode(nFontIndex, word) >= 0;
+ }
+ }
+
+ return FALSE;
+}
+
+int32_t CPWL_FontMap::GetWordFontIndex(FX_WORD word,
+ int32_t nCharset,
+ int32_t nFontIndex) {
+ if (nFontIndex > 0) {
+ if (KnowWord(nFontIndex, word))
+ return nFontIndex;
+ } else {
+ if (const CPWL_FontMap_Data* pData = GetFontMapData(0)) {
+ if (nCharset == DEFAULT_CHARSET || pData->nCharset == SYMBOL_CHARSET ||
+ nCharset == pData->nCharset) {
+ if (KnowWord(0, word))
+ return 0;
+ }
+ }
+ }
+
+ int32_t nNewFontIndex =
+ GetFontIndex(GetNativeFontName(nCharset), nCharset, TRUE);
+ if (nNewFontIndex >= 0) {
+ if (KnowWord(nNewFontIndex, word))
+ return nNewFontIndex;
+ }
+ nNewFontIndex = GetFontIndex("Arial Unicode MS", DEFAULT_CHARSET, FALSE);
+ if (nNewFontIndex >= 0) {
+ if (KnowWord(nNewFontIndex, word))
+ return nNewFontIndex;
+ }
+ return -1;
+}
+
+int32_t CPWL_FontMap::CharCodeFromUnicode(int32_t nFontIndex, FX_WORD word) {
+ if (CPWL_FontMap_Data* pData = m_aData.GetAt(nFontIndex)) {
+ if (pData->pFont) {
+ if (pData->pFont->IsUnicodeCompatible()) {
+ int nCharCode = pData->pFont->CharCodeFromUnicode(word);
+ pData->pFont->GlyphFromCharCode(nCharCode);
+ return nCharCode;
+ }
+ if (word < 0xFF)
+ return word;
+ }
+ }
+ return -1;
+}
+
+CFX_ByteString CPWL_FontMap::GetNativeFontName(int32_t nCharset) {
+ // searching native font is slow, so we must save time
+ for (int32_t i = 0, sz = m_aNativeFont.GetSize(); i < sz; i++) {
+ if (CPWL_FontMap_Native* pData = m_aNativeFont.GetAt(i)) {
+ if (pData->nCharset == nCharset)
+ return pData->sFontName;
+ }
+ }
+
+ CFX_ByteString sNew = GetNativeFont(nCharset);
+
+ if (!sNew.IsEmpty()) {
+ CPWL_FontMap_Native* pNewData = new CPWL_FontMap_Native;
+ pNewData->nCharset = nCharset;
+ pNewData->sFontName = sNew;
+
+ m_aNativeFont.Add(pNewData);
+ }
+
+ return sNew;
+}
+
+void CPWL_FontMap::Empty() {
+ {
+ for (int32_t i = 0, sz = m_aData.GetSize(); i < sz; i++)
+ delete m_aData.GetAt(i);
+
+ m_aData.RemoveAll();
+ }
+ {
+ for (int32_t i = 0, sz = m_aNativeFont.GetSize(); i < sz; i++)
+ delete m_aNativeFont.GetAt(i);
+
+ m_aNativeFont.RemoveAll();
+ }
+}
+
+void CPWL_FontMap::Initialize() {
+ GetFontIndex(kDefaultFontName, ANSI_CHARSET, FALSE);
+}
+
+FX_BOOL CPWL_FontMap::IsStandardFont(const CFX_ByteString& sFontName) {
+ for (int32_t i = 0; i < FX_ArraySize(g_sDEStandardFontName); ++i) {
+ if (sFontName == g_sDEStandardFontName[i])
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+int32_t CPWL_FontMap::FindFont(const CFX_ByteString& sFontName,
+ int32_t nCharset) {
+ for (int32_t i = 0, sz = m_aData.GetSize(); i < sz; i++) {
+ if (CPWL_FontMap_Data* pData = m_aData.GetAt(i)) {
+ if (nCharset == DEFAULT_CHARSET || nCharset == pData->nCharset) {
+ if (sFontName.IsEmpty() || pData->sFontName == sFontName)
+ return i;
+ }
+ }
+ }
+
+ return -1;
+}
+
+int32_t CPWL_FontMap::GetFontIndex(const CFX_ByteString& sFontName,
+ int32_t nCharset,
+ FX_BOOL bFind) {
+ int32_t nFontIndex = FindFont(EncodeFontAlias(sFontName, nCharset), nCharset);
+ if (nFontIndex >= 0)
+ return nFontIndex;
+
+ CFX_ByteString sAlias;
+ CPDF_Font* pFont = NULL;
+ if (bFind)
+ pFont = FindFontSameCharset(sAlias, nCharset);
+
+ if (!pFont) {
+ CFX_ByteString sTemp = sFontName;
+ pFont = AddFontToDocument(GetDocument(), sTemp, nCharset);
+ sAlias = EncodeFontAlias(sTemp, nCharset);
+ }
+ AddedFont(pFont, sAlias);
+ return AddFontData(pFont, sAlias, nCharset);
+}
+
+int32_t CPWL_FontMap::GetPWLFontIndex(FX_WORD word, int32_t nCharset) {
+ int32_t nFind = -1;
+
+ for (int32_t i = 0, sz = m_aData.GetSize(); i < sz; i++) {
+ if (CPWL_FontMap_Data* pData = m_aData.GetAt(i)) {
+ if (pData->nCharset == nCharset) {
+ nFind = i;
+ break;
+ }
+ }
+ }
+
+ CPDF_Font* pNewFont = GetPDFFont(nFind);
+
+ if (!pNewFont)
+ return -1;
+
+ CFX_ByteString sAlias = EncodeFontAlias("Arial_Chrome", nCharset);
+ AddedFont(pNewFont, sAlias);
+
+ return AddFontData(pNewFont, sAlias, nCharset);
+}
+
+CPDF_Font* CPWL_FontMap::FindFontSameCharset(CFX_ByteString& sFontAlias,
+ int32_t nCharset) {
+ return NULL;
+}
+
+int32_t CPWL_FontMap::AddFontData(CPDF_Font* pFont,
+ const CFX_ByteString& sFontAlias,
+ int32_t nCharset) {
+ CPWL_FontMap_Data* pNewData = new CPWL_FontMap_Data;
+ pNewData->pFont = pFont;
+ pNewData->sFontName = sFontAlias;
+ pNewData->nCharset = nCharset;
+
+ m_aData.Add(pNewData);
+
+ return m_aData.GetSize() - 1;
+}
+
+void CPWL_FontMap::AddedFont(CPDF_Font* pFont,
+ const CFX_ByteString& sFontAlias) {}
+
+CFX_ByteString CPWL_FontMap::GetFontName(int32_t nFontIndex) {
+ if (nFontIndex >= 0 && nFontIndex < m_aData.GetSize()) {
+ if (CPWL_FontMap_Data* pData = m_aData.GetAt(nFontIndex)) {
+ return pData->sFontName;
+ }
+ }
+
+ return "";
+}
+
+CFX_ByteString CPWL_FontMap::GetNativeFont(int32_t nCharset) {
+ if (nCharset == DEFAULT_CHARSET)
+ nCharset = GetNativeCharset();
+
+ CFX_ByteString sFontName = GetDefaultFontByCharset(nCharset);
+ if (m_pSystemHandler) {
+ if (m_pSystemHandler->FindNativeTrueTypeFont(nCharset, sFontName))
+ return sFontName;
+
+ sFontName = m_pSystemHandler->GetNativeTrueTypeFont(nCharset);
+ }
+ return sFontName;
+}
+
+CPDF_Font* CPWL_FontMap::AddFontToDocument(CPDF_Document* pDoc,
+ CFX_ByteString& sFontName,
+ uint8_t nCharset) {
+ if (IsStandardFont(sFontName))
+ return AddStandardFont(pDoc, sFontName);
+
+ return AddSystemFont(pDoc, sFontName, nCharset);
+}
+
+CPDF_Font* CPWL_FontMap::AddStandardFont(CPDF_Document* pDoc,
+ CFX_ByteString& sFontName) {
+ if (!pDoc)
+ return NULL;
+
+ CPDF_Font* pFont = NULL;
+
+ if (sFontName == "ZapfDingbats") {
+ pFont = pDoc->AddStandardFont(sFontName, NULL);
+ } else {
+ CPDF_FontEncoding fe(PDFFONT_ENCODING_WINANSI);
+ pFont = pDoc->AddStandardFont(sFontName, &fe);
+ }
+
+ return pFont;
+}
+
+CPDF_Font* CPWL_FontMap::AddSystemFont(CPDF_Document* pDoc,
+ CFX_ByteString& sFontName,
+ uint8_t nCharset) {
+ if (!pDoc)
+ return NULL;
+
+ if (sFontName.IsEmpty())
+ sFontName = GetNativeFont(nCharset);
+ if (nCharset == DEFAULT_CHARSET)
+ nCharset = GetNativeCharset();
+
+ if (m_pSystemHandler)
+ return m_pSystemHandler->AddNativeTrueTypeFontToPDF(pDoc, sFontName,
+ nCharset);
+
+ return NULL;
+}
+
+CFX_ByteString CPWL_FontMap::EncodeFontAlias(const CFX_ByteString& sFontName,
+ int32_t nCharset) {
+ CFX_ByteString sPostfix;
+ sPostfix.Format("_%02X", nCharset);
+ return EncodeFontAlias(sFontName) + sPostfix;
+}
+
+CFX_ByteString CPWL_FontMap::EncodeFontAlias(const CFX_ByteString& sFontName) {
+ CFX_ByteString sRet = sFontName;
+ sRet.Remove(' ');
+ return sRet;
+}
+
+int32_t CPWL_FontMap::GetFontMapCount() const {
+ return m_aData.GetSize();
+}
+
+const CPWL_FontMap_Data* CPWL_FontMap::GetFontMapData(int32_t nIndex) const {
+ if (nIndex >= 0 && nIndex < m_aData.GetSize()) {
+ return m_aData.GetAt(nIndex);
+ }
+
+ return NULL;
+}
+
+int32_t CPWL_FontMap::GetNativeCharset() {
+ uint8_t nCharset = ANSI_CHARSET;
+ int32_t iCodePage = FXSYS_GetACP();
+ switch (iCodePage) {
+ case 932: // Japan
+ nCharset = SHIFTJIS_CHARSET;
+ break;
+ case 936: // Chinese (PRC, Singapore)
+ nCharset = GB2312_CHARSET;
+ break;
+ case 950: // Chinese (Taiwan; Hong Kong SAR, PRC)
+ nCharset = GB2312_CHARSET;
+ break;
+ case 1252: // Windows 3.1 Latin 1 (US, Western Europe)
+ nCharset = ANSI_CHARSET;
+ break;
+ case 874: // Thai
+ nCharset = THAI_CHARSET;
+ break;
+ case 949: // Korean
+ nCharset = HANGUL_CHARSET;
+ break;
+ case 1200: // Unicode (BMP of ISO 10646)
+ nCharset = ANSI_CHARSET;
+ break;
+ case 1250: // Windows 3.1 Eastern European
+ nCharset = EASTEUROPE_CHARSET;
+ break;
+ case 1251: // Windows 3.1 Cyrillic
+ nCharset = RUSSIAN_CHARSET;
+ break;
+ case 1253: // Windows 3.1 Greek
+ nCharset = GREEK_CHARSET;
+ break;
+ case 1254: // Windows 3.1 Turkish
+ nCharset = TURKISH_CHARSET;
+ break;
+ case 1255: // Hebrew
+ nCharset = HEBREW_CHARSET;
+ break;
+ case 1256: // Arabic
+ nCharset = ARABIC_CHARSET;
+ break;
+ case 1257: // Baltic
+ nCharset = BALTIC_CHARSET;
+ break;
+ case 1258: // Vietnamese
+ nCharset = VIETNAMESE_CHARSET;
+ break;
+ case 1361: // Korean(Johab)
+ nCharset = JOHAB_CHARSET;
+ break;
+ }
+ return nCharset;
+}
+
+const CPWL_FontMap::CharsetFontMap CPWL_FontMap::defaultTTFMap[] = {
+ {ANSI_CHARSET, "Helvetica"}, {GB2312_CHARSET, "SimSun"},
+ {CHINESEBIG5_CHARSET, "MingLiU"}, {SHIFTJIS_CHARSET, "MS Gothic"},
+ {HANGUL_CHARSET, "Batang"}, {RUSSIAN_CHARSET, "Arial"},
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_LINUX_ || \
+ _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+ {EASTEUROPE_CHARSET, "Arial"},
+#else
+ {EASTEUROPE_CHARSET, "Tahoma"},
+#endif
+ {ARABIC_CHARSET, "Arial"}, {-1, NULL}};
+
+CFX_ByteString CPWL_FontMap::GetDefaultFontByCharset(int32_t nCharset) {
+ int i = 0;
+ while (defaultTTFMap[i].charset != -1) {
+ if (nCharset == defaultTTFMap[i].charset)
+ return defaultTTFMap[i].fontname;
+ ++i;
+ }
+ return "";
+}
+
+int32_t CPWL_FontMap::CharSetFromUnicode(FX_WORD word, int32_t nOldCharset) {
+ if (m_pSystemHandler && (-1 != m_pSystemHandler->GetCharSet()))
+ return m_pSystemHandler->GetCharSet();
+ // to avoid CJK Font to show ASCII
+ if (word < 0x7F)
+ return ANSI_CHARSET;
+ // follow the old charset
+ if (nOldCharset != DEFAULT_CHARSET)
+ return nOldCharset;
+
+ // find new charset
+ if ((word >= 0x4E00 && word <= 0x9FA5) ||
+ (word >= 0xE7C7 && word <= 0xE7F3) ||
+ (word >= 0x3000 && word <= 0x303F) ||
+ (word >= 0x2000 && word <= 0x206F)) {
+ return GB2312_CHARSET;
+ }
+
+ if (((word >= 0x3040) && (word <= 0x309F)) ||
+ ((word >= 0x30A0) && (word <= 0x30FF)) ||
+ ((word >= 0x31F0) && (word <= 0x31FF)) ||
+ ((word >= 0xFF00) && (word <= 0xFFEF))) {
+ return SHIFTJIS_CHARSET;
+ }
+
+ if (((word >= 0xAC00) && (word <= 0xD7AF)) ||
+ ((word >= 0x1100) && (word <= 0x11FF)) ||
+ ((word >= 0x3130) && (word <= 0x318F))) {
+ return HANGUL_CHARSET;
+ }
+
+ if (word >= 0x0E00 && word <= 0x0E7F)
+ return THAI_CHARSET;
+
+ if ((word >= 0x0370 && word <= 0x03FF) || (word >= 0x1F00 && word <= 0x1FFF))
+ return GREEK_CHARSET;
+
+ if ((word >= 0x0600 && word <= 0x06FF) || (word >= 0xFB50 && word <= 0xFEFC))
+ return ARABIC_CHARSET;
+
+ if (word >= 0x0590 && word <= 0x05FF)
+ return HEBREW_CHARSET;
+
+ if (word >= 0x0400 && word <= 0x04FF)
+ return RUSSIAN_CHARSET;
+
+ if (word >= 0x0100 && word <= 0x024F)
+ return EASTEUROPE_CHARSET;
+
+ if (word >= 0x1E00 && word <= 0x1EFF)
+ return VIETNAMESE_CHARSET;
+
+ return ANSI_CHARSET;
+}
+
+CPWL_DocFontMap::CPWL_DocFontMap(IFX_SystemHandler* pSystemHandler,
+ CPDF_Document* pAttachedDoc)
+ : CPWL_FontMap(pSystemHandler), m_pAttachedDoc(pAttachedDoc) {}
+
+CPWL_DocFontMap::~CPWL_DocFontMap() {}
+
+CPDF_Document* CPWL_DocFontMap::GetDocument() {
+ return m_pAttachedDoc;
+}