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authorDan Sinclair <dsinclair@chromium.org>2017-07-10 15:14:26 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-07-10 19:28:59 +0000
commit92e2276a8be492fd2be8e44a5d62e8a5879644d8 (patch)
tree0945f5edda0fbfb461ca1cae89a20adb583242e4 /core/fxge/cfx_unicodeencodingex.cpp
parent1437643bfaca635d52f4cb9ec41e3075cf893f79 (diff)
downloadpdfium-92e2276a8be492fd2be8e44a5d62e8a5879644d8.tar.xz
Move core/fxge/ge to core/fxge.
This brings the cpp and h files together and removes the redundant ge/ path. Change-Id: I36594b8ae719d362768ba4c2e4ce173e287363eb Reviewed-on: https://pdfium-review.googlesource.com/7452 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
Diffstat (limited to 'core/fxge/cfx_unicodeencodingex.cpp')
-rw-r--r--core/fxge/cfx_unicodeencodingex.cpp103
1 files changed, 103 insertions, 0 deletions
diff --git a/core/fxge/cfx_unicodeencodingex.cpp b/core/fxge/cfx_unicodeencodingex.cpp
new file mode 100644
index 0000000000..3f28d4295e
--- /dev/null
+++ b/core/fxge/cfx_unicodeencodingex.cpp
@@ -0,0 +1,103 @@
+// 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;
+}