1 files changed, 127 insertions, 0 deletions
diff --git a/core/fxge/cfx_font.h b/core/fxge/cfx_font.h
new file mode 100644
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+++ b/core/fxge/cfx_font.h
@@ -0,0 +1,127 @@
+// Copyright 2017 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_CFX_FONT_H_
+#define CORE_FXGE_CFX_FONT_H_
+
+#include <memory>
+#include <utility>
+#include <vector>
+
+#include "core/fxcrt/bytestring.h"
+#include "core/fxcrt/fx_coordinates.h"
+#include "core/fxcrt/unowned_ptr.h"
+#include "core/fxge/fx_freetype.h"
+
+#if defined _SKIA_SUPPORT_ || defined _SKIA_SUPPORT_PATHS_
+#include "core/fxge/fx_font.h"
+#endif
+
+class CFX_FaceCache;
+class CFX_GlyphBitmap;
+class CFX_PathData;
+class CFX_SubstFont;
+class IFX_SeekableReadStream;
+
+class CFX_Font {
+ public:
+  CFX_Font();
+  ~CFX_Font();
+
+  void LoadSubst(const ByteString& face_name,
+                 bool bTrueType,
+                 uint32_t flags,
+                 int weight,
+                 int italic_angle,
+                 int CharsetCP,
+                 bool bVertical);
+
+  bool LoadEmbedded(const uint8_t* data, uint32_t size);
+  FXFT_Face GetFace() const { return m_Face; }
+  CFX_SubstFont* GetSubstFont() const { return m_pSubstFont.get(); }
+
+#ifdef PDF_ENABLE_XFA
+  bool LoadFile(const RetainPtr<IFX_SeekableReadStream>& pFile, int nFaceIndex);
+
+  bool LoadClone(const CFX_Font* pFont);
+  void SetFace(FXFT_Face face);
+  void SetSubstFont(std::unique_ptr<CFX_SubstFont> subst) {
+    m_pSubstFont = std::move(subst);
+  }
+#endif  // PDF_ENABLE_XFA
+
+  const CFX_GlyphBitmap* LoadGlyphBitmap(uint32_t glyph_index,
+                                         bool bFontStyle,
+                                         const CFX_Matrix* pMatrix,
+                                         int dest_width,
+                                         int anti_alias,
+                                         int& text_flags) const;
+  const CFX_PathData* LoadGlyphPath(uint32_t glyph_index, int dest_width) const;
+
+#if defined _SKIA_SUPPORT_ || defined _SKIA_SUPPORT_PATHS_
+  CFX_TypeFace* GetDeviceCache() const;
+#endif
+
+  int GetGlyphWidth(uint32_t glyph_index);
+  int GetAscent() const;
+  int GetDescent() const;
+  bool GetGlyphBBox(uint32_t glyph_index, FX_RECT& bbox);
+  bool IsItalic() const;
+  bool IsBold() const;
+  bool IsFixedWidth() const;
+  bool IsVertical() const { return m_bVertical; }
+  ByteString GetPsName() const;
+  ByteString GetFamilyName() const;
+  ByteString GetFaceName() const;
+  bool IsTTFont() const;
+  bool GetBBox(FX_RECT& bbox);
+  bool IsEmbedded() const { return m_bEmbedded; }
+  uint8_t* GetSubData() const { return m_pGsubData; }
+  void SetSubData(uint8_t* data) { m_pGsubData = data; }
+#if _FX_PLATFORM_ == _FX_PLATFORM_APPLE_
+  void* GetPlatformFont() const { return m_pPlatformFont; }
+  void SetPlatformFont(void* font) { m_pPlatformFont = font; }
+#endif
+  uint8_t* GetFontData() const { return m_pFontData; }
+  uint32_t GetSize() const { return m_dwSize; }
+  void AdjustMMParams(int glyph_index, int width, int weight) const;
+
+  static const size_t kAngleSkewArraySize = 30;
+  static const char s_AngleSkew[kAngleSkewArraySize];
+  static const size_t kWeightPowArraySize = 100;
+  static const uint8_t s_WeightPow[kWeightPowArraySize];
+  static const uint8_t s_WeightPow_11[kWeightPowArraySize];
+  static const uint8_t s_WeightPow_SHIFTJIS[kWeightPowArraySize];
+
+#ifdef PDF_ENABLE_XFA
+ protected:
+  bool m_bShallowCopy;
+  FXFT_StreamRec* m_pOwnedStream;
+#endif  // PDF_ENABLE_XFA
+
+ private:
+  friend class CFX_FaceCache;
+  CFX_PathData* LoadGlyphPathImpl(uint32_t glyph_index, int dest_width) const;
+  CFX_FaceCache* GetFaceCache() const;
+  void ReleasePlatformResource();
+  void DeleteFace();
+  void ClearFaceCache();
+
+  FXFT_Face m_Face;
+  mutable UnownedPtr<CFX_FaceCache> m_FaceCache;
+  std::unique_ptr<CFX_SubstFont> m_pSubstFont;
+  std::vector<uint8_t> m_pFontDataAllocation;
+  uint8_t* m_pFontData;
+  uint8_t* m_pGsubData;
+  uint32_t m_dwSize;
+#if _FX_PLATFORM_ == _FX_PLATFORM_APPLE_
+  void* m_pPlatformFont;
+#endif
+  bool m_bEmbedded;
+  bool m_bVertical;
+};
+
+#endif  // CORE_FXGE_CFX_FONT_H_