// 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

#ifndef _FX_GRAPHOBJS_IMP
#define _FX_GRAPHOBJS_IMP
#ifndef _FXPLUS
class CFX_GEFontMgr;
#ifndef FXFONT_SUBST_ITALIC
#define FXFONT_SUBST_ITALIC	0x02
#endif
class CFX_GEFont : public IFX_Font, public CFX_ThreadLock
{
public:
    CFX_GEFont(const CFX_GEFont &src, FX_DWORD dwFontStyles);
    CFX_GEFont(IFX_FontMgr *pFontMgr);
    ~CFX_GEFont();
    virtual void			Release();
    virtual IFX_Font*		Retain();
    FX_BOOL			LoadFont(const FX_WCHAR* pszFontFamily, FX_DWORD dwFontStyles, FX_WORD wCodePage);
    FX_BOOL			LoadFont(const uint8_t* pBuffer, int32_t length);
    FX_BOOL			LoadFont(const FX_WCHAR* pszFileName);
    FX_BOOL			LoadFont(IFX_Stream *pFontStream, FX_BOOL bSaveStream);
    FX_BOOL			LoadFont(CFX_Font *pExtFont, FX_BOOL bTakeOver = FALSE);
    virtual IFX_Font*		Derive(FX_DWORD dwFontStyles, FX_WORD wCodePage = 0);
    virtual void			GetFamilyName(CFX_WideString &wsFamily) const;
    virtual void			GetPsName(CFX_WideString &wsName) const;
    virtual FX_DWORD		GetFontStyles() const;
    virtual uint8_t			GetCharSet() const;
    virtual FX_BOOL			GetCharWidth(FX_WCHAR wUnicode, int32_t &iWidth, FX_BOOL bCharCode = FALSE);
    virtual int32_t		GetGlyphIndex(FX_WCHAR wUnicode, FX_BOOL bCharCode = FALSE);
    virtual int32_t		GetAscent() const;
    virtual int32_t		GetDescent() const;
    virtual FX_BOOL			GetCharBBox(FX_WCHAR wUnicode, CFX_Rect &bbox, FX_BOOL bCharCode = FALSE);
    virtual FX_BOOL			GetBBox(CFX_Rect &bbox);
    virtual int32_t		GetItalicAngle() const;
    virtual void			Reset();
    virtual IFX_Font*		GetSubstFont(int32_t iGlyphIndex) const;
    virtual void*			GetDevFont()const
    {
        return (void*)m_pFont;
    }
    virtual void			SetFontProvider(IFX_FontProvider* pProvider)
    {
        m_pProvider = pProvider;
    }
#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
    virtual void			SetLogicalFontStyle(FX_DWORD dwLogFontStyle)
    {
        m_bUseLogFontStyle = TRUE;
        m_dwLogFontStyle = dwLogFontStyle;
    };
#endif
protected:
#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
    FX_BOOL					m_bUseLogFontStyle;
    FX_DWORD				m_dwLogFontStyle;
#endif
    CFX_Font				*m_pFont;
    IFX_FontMgr				*m_pFontMgr;
    int32_t				m_iRefCount;
    FX_BOOL					m_bExtFont;
    IFX_Stream				*m_pStream;
    IFX_FileRead			*m_pFileRead;
    IFX_FontEncoding		*m_pFontEncoding;
    CFX_WordDiscreteArray	*m_pCharWidthMap;
    CFX_RectMassArray		*m_pRectArray;
    CFX_MapPtrToPtr			*m_pBBoxMap;
    IFX_FontProvider		*m_pProvider;
    FX_WORD					m_wCharSet;
    CFX_PtrArray		m_SubstFonts;
    CFX_MapPtrToPtr		m_FontMapper;
    void			InitFont();
    FX_BOOL		GetCharBBox(FX_WCHAR wUnicode, CFX_Rect &bbox, FX_BOOL bRecursive, FX_BOOL bCharCode = FALSE);
    FX_BOOL		GetCharWidth(FX_WCHAR wUnicode, int32_t &iWidth, FX_BOOL bRecursive, FX_BOOL bCharCode = FALSE);
    int32_t	GetGlyphIndex(FX_WCHAR wUnicode, FX_BOOL bRecursive, IFX_Font **ppFont, FX_BOOL bCharCode = FALSE);
};
#endif
#endif