1 files changed, 93 insertions, 0 deletions
diff --git a/core/fxge/fx_ge_fontmap.cpp b/core/fxge/fx_ge_fontmap.cpp
new file mode 100644
index 0000000000..7ac4fada5c
--- /dev/null
+++ b/core/fxge/fx_ge_fontmap.cpp
@@ -0,0 +1,93 @@
+// 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 <memory>
+
+#include "core/fxge/cfx_fontmapper.h"
+#include "core/fxge/ifx_systemfontinfo.h"
+
+static CFX_ByteString GetStringFromTable(const uint8_t* string_ptr,
+                                         uint32_t string_ptr_length,
+                                         uint16_t offset,
+                                         uint16_t length) {
+  if (string_ptr_length < static_cast<uint32_t>(offset + length)) {
+    return CFX_ByteString();
+  }
+  return CFX_ByteString(string_ptr + offset, length);
+}
+
+CFX_ByteString GetNameFromTT(const uint8_t* name_table,
+                             uint32_t name_table_size,
+                             uint32_t name_id) {
+  if (!name_table || name_table_size < 6) {
+    return CFX_ByteString();
+  }
+  uint32_t name_count = GET_TT_SHORT(name_table + 2);
+  uint32_t string_offset = GET_TT_SHORT(name_table + 4);
+  // We will ignore the possibility of overlap of structures and
+  // string table as if it's all corrupt there's not a lot we can do.
+  if (name_table_size < string_offset) {
+    return CFX_ByteString();
+  }
+
+  const uint8_t* string_ptr = name_table + string_offset;
+  uint32_t string_ptr_size = name_table_size - string_offset;
+  name_table += 6;
+  name_table_size -= 6;
+  if (name_table_size < name_count * 12) {
+    return CFX_ByteString();
+  }
+
+  for (uint32_t i = 0; i < name_count; i++, name_table += 12) {
+    if (GET_TT_SHORT(name_table + 6) == name_id &&
+        GET_TT_SHORT(name_table) == 1 && GET_TT_SHORT(name_table + 2) == 0) {
+      return GetStringFromTable(string_ptr, string_ptr_size,
+                                GET_TT_SHORT(name_table + 10),
+                                GET_TT_SHORT(name_table + 8));
+    }
+  }
+  return CFX_ByteString();
+}
+#ifdef PDF_ENABLE_XFA
+void* IFX_SystemFontInfo::MapFontByUnicode(uint32_t dwUnicode,
+                                           int weight,
+                                           bool bItalic,
+                                           int pitch_family) {
+  return nullptr;
+}
+#endif  // PDF_ENABLE_XFA
+
+int IFX_SystemFontInfo::GetFaceIndex(void* hFont) {
+  return 0;
+}
+
+extern "C" {
+unsigned long _FTStreamRead(FXFT_Stream stream,
+                            unsigned long offset,
+                            unsigned char* buffer,
+                            unsigned long count);
+void _FTStreamClose(FXFT_Stream stream);
+};
+
+#if _FX_OS_ == _FX_ANDROID_
+std::unique_ptr<IFX_SystemFontInfo> IFX_SystemFontInfo::CreateDefault(
+    const char** pUnused) {
+  return nullptr;
+}
+#endif
+
+CFX_FontFaceInfo::CFX_FontFaceInfo(CFX_ByteString filePath,
+                                   CFX_ByteString faceName,
+                                   CFX_ByteString fontTables,
+                                   uint32_t fontOffset,
+                                   uint32_t fileSize)
+    : m_FilePath(filePath),
+      m_FaceName(faceName),
+      m_FontTables(fontTables),
+      m_FontOffset(fontOffset),
+      m_FileSize(fileSize),
+      m_Styles(0),
+      m_Charsets(0) {}