Splitting fx_ge_fontmap.cpp

Move CFX_FolderFontInfo, CFX_FontMgr, and CFX_FontMapper into their own
classes. There are namespaces in each of the new files, having methods
from the original namespace in fx_ge_fontmap, according to what each
class needs.

Review-Url: https://codereview.chromium.org/2185533006

1 files changed, 50 insertions, 0 deletions

diff --git a/core/fxge/include/ifx_systemfontinfo.h b/core/fxge/include/ifx_systemfontinfo.h
new file mode 100644
index 0000000000..9ede09ec26
--- /dev/null
+++ b/core/fxge/include/ifx_systemfontinfo.h
@@ -0,0 +1,50 @@
+// 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
+
+#ifndef CORE_FXGE_INCLUDE_IFX_SYSTEMFONTINFO_H_
+#define CORE_FXGE_INCLUDE_IFX_SYSTEMFONTINFO_H_
+
+#include "core/fxge/include/cfx_fontmapper.h"
+#include "core/fxge/include/fx_font.h"
+
+const uint32_t kTableNAME = FXDWORD_GET_MSBFIRST("name");
+const uint32_t kTableTTCF = FXDWORD_GET_MSBFIRST("ttcf");
+
+class IFX_SystemFontInfo {
+ public:
+  static std::unique_ptr<IFX_SystemFontInfo> CreateDefault(
+      const char** pUserPaths);
+
+  virtual ~IFX_SystemFontInfo() {}
+
+  virtual FX_BOOL EnumFontList(CFX_FontMapper* pMapper) = 0;
+  virtual void* MapFont(int weight,
+                        FX_BOOL bItalic,
+                        int charset,
+                        int pitch_family,
+                        const FX_CHAR* face,
+                        int& iExact) = 0;
+
+#ifdef PDF_ENABLE_XFA
+  virtual void* MapFontByUnicode(uint32_t dwUnicode,
+                                 int weight,
+                                 FX_BOOL bItalic,
+                                 int pitch_family);
+#endif  // PDF_ENABLE_XFA
+
+  virtual void* GetFont(const FX_CHAR* face) = 0;
+  virtual uint32_t GetFontData(void* hFont,
+                               uint32_t table,
+                               uint8_t* buffer,
+                               uint32_t size) = 0;
+  virtual FX_BOOL GetFaceName(void* hFont, CFX_ByteString& name) = 0;
+  virtual FX_BOOL GetFontCharset(void* hFont, int& charset) = 0;
+  virtual int GetFaceIndex(void* hFont);
+  virtual void DeleteFont(void* hFont) = 0;
+  virtual void* RetainFont(void* hFont);
+};
+
+#endif  // CORE_FXGE_INCLUDE_IFX_SYSTEMFONTINFO_H_