Index: core/fpdfapi/fpdf_font/cpdf_font.cpp |
diff --git a/core/fpdfapi/fpdf_font/cpdf_font.cpp b/core/fpdfapi/fpdf_font/cpdf_font.cpp |
index 8101bd49a65eab2364ec6cd611466b9eac8e87bc..4747093ac4f307228d9ef62ff0f9e72f59c0426e 100644 |
--- a/core/fpdfapi/fpdf_font/cpdf_font.cpp |
+++ b/core/fpdfapi/fpdf_font/cpdf_font.cpp |
@@ -22,7 +22,9 @@ |
#include "core/fpdfapi/fpdf_parser/include/cpdf_name.h" |
#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h" |
#include "core/fpdfapi/include/cpdf_modulemgr.h" |
+#include "core/fxcrt/include/fx_memory.h" |
#include "core/fxge/include/fx_freetype.h" |
+#include "third_party/base/stl_util.h" |
namespace { |
@@ -451,3 +453,25 @@ const FX_CHAR* CPDF_Font::GetAdobeCharName( |
name = PDF_CharNameFromPredefinedCharSet(iBaseEncoding, charcode); |
return name && name[0] ? name : nullptr; |
} |
+ |
+uint32_t CPDF_Font::FallbackFontFromCharcode(uint32_t charcode) { |
+ if (m_FontFallbacks.empty()) { |
+ m_FontFallbacks.push_back(WrapUnique(new CFX_Font())); |
+ m_FontFallbacks[0]->LoadSubst("Arial", IsTrueTypeFont(), m_Flags, |
+ m_StemV * 5, m_ItalicAngle, 0, |
+ IsVertWriting()); |
+ } |
+ return 0; |
+} |
+ |
+int CPDF_Font::FallbackGlyphFromCharcode(int fallbackFont, uint32_t charcode) { |
+ if (fallbackFont < 0 || |
+ fallbackFont >= pdfium::CollectionSize<int>(m_FontFallbacks)) { |
+ return -1; |
+ } |
+ int glyph = |
+ FXFT_Get_Char_Index(m_FontFallbacks[fallbackFont]->GetFace(), charcode); |
+ if (glyph == 0 || glyph == 0xffff) |
+ return -1; |
+ return glyph; |
+} |