// 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_GDIOBJECT_IMP
#define _FX_GDIOBJECT_IMP
#ifdef _FXPLUS
#if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN32_MOBILE_ || _FX_OS_ == _FX_WIN64_
typedef struct _FX_GDIGOCACHE {
    GLYPHMETRICS	gm;
    FX_LPBYTE		pOutline;
} FX_GDIGOCACHE, * FX_LPGDIGOCACHE;
typedef FX_GDIGOCACHE const * FX_LPCGDIGOCACHE;
class CFX_GdiFontCache
{
public:
    CFX_GdiFontCache();
    ~CFX_GdiFontCache();
    void				SetCachedGlyphOutline(FX_DWORD dwGlyph, const GLYPHMETRICS &gm, FX_LPBYTE pOutline);
    FX_LPCGDIGOCACHE	GetCachedGlyphOutline(FX_DWORD dwGlyph) const;
protected:
    CFX_MapPtrToPtr		m_GlyphMap;
};
class CFX_GdiFont : public IFX_Font, public CFX_ThreadLock
{
public:
    CFX_GdiFont(IFX_FontMgr *pFontMgr);
    ~CFX_GdiFont();
    virtual void			Release();
    virtual IFX_Font*		Retain();
    FX_BOOL			LoadFont(FX_LPCWSTR pszFontFamily, FX_DWORD dwFontStyles, FX_WORD wCodePage);
    FX_BOOL			LoadFont(FX_LPCBYTE pBuffer, int32_t iLength);
    FX_BOOL			LoadFont(FX_LPCWSTR pszFileName);
    FX_BOOL			LoadFont(IFX_Stream *pFontStream);
    FX_BOOL			LoadFont(const LOGFONTW &lf);
    virtual IFX_Font*		Derive(FX_DWORD dwFontStyles, FX_WORD wCodePage = 0)
    {
        return NULL;
    }
    virtual void			GetFamilyName(CFX_WideString &wsFamily) const;
    virtual FX_DWORD		GetFontStyles() const
    {
        return m_dwStyles;
    }
    virtual uint8_t			GetCharSet() const
    {
        return m_LogFont.lfCharSet;
    }
    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();
    FX_DWORD		GetGlyphDIBits(int32_t iGlyphIndex, FX_ARGB argb, const MAT2 *pMatrix, GLYPHMETRICS &gm, FX_LPVOID pBuffer, FX_DWORD bufSize);
    FX_DWORD		GetHashCode() const;
protected:
    IFX_FontMgr				*m_pFontMgr;
    int32_t				m_iRefCount;
    CFX_WordDiscreteArray	m_WidthCache;
    OUTLINETEXTMETRICW		m_OutlineTM;
    HGDIOBJ					m_hOldFont;
    HFONT					m_hFont;
    HDC						m_hDC;
    LOGFONTW				m_LogFont;
    CFX_WideString			m_wsFontFileName;
    CFX_WideStringArray		m_FontFamilies;
    HANDLE					m_hRes;
    FX_DWORD				m_dwStyles;
    CFX_PtrArray			m_SubstFonts;
    CFX_MapPtrToPtr			m_FontMapper;
    CFX_MapPtrToPtr			m_FontCache;
    void			ClearCache();
    int32_t		GetFontFamilies(Gdiplus::FontCollection &fc);
    void			RetrieveFontStyles();
    IFX_Font*		GetSubstFont(int32_t iGlyphIndex) const;
    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);
    FX_DWORD		GetMAT2HashCode(const FIXED *pFixed);
    void			CreateGlyphBitmap(int32_t iWidth, int32_t iHeight, FX_LPBYTE pOutline, FX_LPDWORD pDIB, FX_ARGB argb);
    friend class CFX_GdiFontMgr;
};
#endif
#endif
#endif