Refactor fx_font part 3

core/fxge/include/cfx_facecache.h

+// 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_CFX_FACECACHE_H_
+#define CORE_FXGE_INCLUDE_CFX_FACECACHE_H_
+
+#include <map>
+
+#include "core/fxge/include/fx_dib.h"
+#include "core/fxge/include/fx_font.h"
+#include "core/fxge/include/fx_freetype.h"
+
+class CFX_FaceCache {
+ public:
+  explicit CFX_FaceCache(FXFT_Face face);
+  ~CFX_FaceCache();
+  const CFX_GlyphBitmap* LoadGlyphBitmap(CFX_Font* pFont,
+                                         uint32_t glyph_index,
+                                         FX_BOOL bFontStyle,
+                                         const CFX_Matrix* pMatrix,
+                                         int dest_width,
+                                         int anti_alias,
+                                         int& text_flags);
+  const CFX_PathData* LoadGlyphPath(CFX_Font* pFont,
+                                    uint32_t glyph_index,
+                                    int dest_width);
+
+#ifdef _SKIA_SUPPORT_
+  CFX_TypeFace* GetDeviceCache(CFX_Font* pFont);
+#endif
+
+ private:
+  CFX_GlyphBitmap* RenderGlyph(CFX_Font* pFont,
+                               uint32_t glyph_index,
+                               FX_BOOL bFontStyle,
+                               const CFX_Matrix* pMatrix,
+                               int dest_width,
+                               int anti_alias);
+  CFX_GlyphBitmap* RenderGlyph_Nativetext(CFX_Font* pFont,
+                                          uint32_t glyph_index,
+                                          const CFX_Matrix* pMatrix,
+                                          int dest_width,
+                                          int anti_alias);
+  CFX_GlyphBitmap* LookUpGlyphBitmap(CFX_Font* pFont,
+                                     const CFX_Matrix* pMatrix,
+                                     const CFX_ByteString& FaceGlyphsKey,
+                                     uint32_t glyph_index,
+                                     FX_BOOL bFontStyle,
+                                     int dest_width,
+                                     int anti_alias);
+  void InitPlatform();
+  void DestroyPlatform();
+
+  FXFT_Face const m_Face;
+  std::map<CFX_ByteString, CFX_SizeGlyphCache*> m_SizeMap;
+  std::map<uint32_t, CFX_PathData*> m_PathMap;
+  CFX_DIBitmap* m_pBitmap;

[Lei Zhang, 2016/08/19 18:24:46]

Is this used?

[npm, 2016/08/19 22:02:33]

Apparently not

+#ifdef _SKIA_SUPPORT_
+  CFX_TypeFace* m_pTypeface;
+#endif
+};
+
+#endif  //  CORE_FXGE_INCLUDE_CFX_FACECACHE_H_