diff options
Diffstat (limited to 'core/fxge/ge/cfx_unicodeencodingex.cpp')
-rw-r--r-- | core/fxge/ge/cfx_unicodeencodingex.cpp | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/core/fxge/ge/cfx_unicodeencodingex.cpp b/core/fxge/ge/cfx_unicodeencodingex.cpp deleted file mode 100644 index 3f28d4295e..0000000000 --- a/core/fxge/ge/cfx_unicodeencodingex.cpp +++ /dev/null @@ -1,103 +0,0 @@ -// Copyright 2016 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 "core/fxge/cfx_unicodeencodingex.h" - -#include <memory> - -#include "core/fpdfapi/font/cpdf_font.h" -#include "core/fxge/fx_font.h" -#include "core/fxge/fx_freetype.h" -#include "third_party/base/ptr_util.h" - -namespace { - -const uint32_t g_EncodingID[] = { - FXFM_ENCODING_MS_SYMBOL, FXFM_ENCODING_UNICODE, - FXFM_ENCODING_MS_SJIS, FXFM_ENCODING_MS_GB2312, - FXFM_ENCODING_MS_BIG5, FXFM_ENCODING_MS_WANSUNG, - FXFM_ENCODING_MS_JOHAB, FXFM_ENCODING_ADOBE_STANDARD, - FXFM_ENCODING_ADOBE_EXPERT, FXFM_ENCODING_ADOBE_CUSTOM, - FXFM_ENCODING_ADOBE_LATIN_1, FXFM_ENCODING_OLD_LATIN_2, - FXFM_ENCODING_APPLE_ROMAN, -}; - -std::unique_ptr<CFX_UnicodeEncodingEx> FXFM_CreateFontEncoding( - CFX_Font* pFont, - uint32_t nEncodingID) { - if (FXFT_Select_Charmap(pFont->GetFace(), nEncodingID)) - return nullptr; - return pdfium::MakeUnique<CFX_UnicodeEncodingEx>(pFont, nEncodingID); -} - -} // namespace - -CFX_UnicodeEncodingEx::CFX_UnicodeEncodingEx(CFX_Font* pFont, - uint32_t EncodingID) - : CFX_UnicodeEncoding(pFont), m_nEncodingID(EncodingID) {} - -CFX_UnicodeEncodingEx::~CFX_UnicodeEncodingEx() {} - -uint32_t CFX_UnicodeEncodingEx::GlyphFromCharCode(uint32_t charcode) { - FXFT_Face face = m_pFont->GetFace(); - FT_UInt nIndex = FXFT_Get_Char_Index(face, charcode); - if (nIndex > 0) - return nIndex; - int nmaps = FXFT_Get_Face_CharmapCount(face); - int m = 0; - while (m < nmaps) { - uint32_t nEncodingID = - FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[m++]); - if (m_nEncodingID == nEncodingID) - continue; - int error = FXFT_Select_Charmap(face, nEncodingID); - if (error) - continue; - nIndex = FXFT_Get_Char_Index(face, charcode); - if (nIndex > 0) { - m_nEncodingID = nEncodingID; - return nIndex; - } - } - FXFT_Select_Charmap(face, m_nEncodingID); - return 0; -} - -uint32_t CFX_UnicodeEncodingEx::CharCodeFromUnicode(wchar_t Unicode) const { - if (m_nEncodingID == FXFM_ENCODING_UNICODE || - m_nEncodingID == FXFM_ENCODING_MS_SYMBOL) { - return Unicode; - } - FXFT_Face face = m_pFont->GetFace(); - int nmaps = FXFT_Get_Face_CharmapCount(face); - for (int i = 0; i < nmaps; i++) { - int nEncodingID = - FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[i]); - if (nEncodingID == FXFM_ENCODING_UNICODE || - nEncodingID == FXFM_ENCODING_MS_SYMBOL) { - return Unicode; - } - } - return CPDF_Font::kInvalidCharCode; -} - -std::unique_ptr<CFX_UnicodeEncodingEx> FX_CreateFontEncodingEx( - CFX_Font* pFont, - uint32_t nEncodingID) { - if (!pFont || !pFont->GetFace()) - return nullptr; - - if (nEncodingID != FXFM_ENCODING_NONE) - return FXFM_CreateFontEncoding(pFont, nEncodingID); - - for (size_t i = 0; i < FX_ArraySize(g_EncodingID); ++i) { - std::unique_ptr<CFX_UnicodeEncodingEx> pFontEncoding = - FXFM_CreateFontEncoding(pFont, g_EncodingID[i]); - if (pFontEncoding) - return pFontEncoding; - } - return nullptr; -} |