// 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 _FWL_WIDGETTP_H
#define _FWL_WIDGETTP_H
class CFX_Object;
class IFWL_ThemeProvider;
class IFWL_Widget;
class IFDE_TextOut;
class IFX_Font;
class IFX_FontMgr;
#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
class IFX_FontSourceEnum;
#endif
class CFWL_WidgetTP;
class CFWL_ArrowData;
class CFWL_WidgetTP : public CFX_Object
{
public:
    virtual FX_BOOL		IsValidWidget(IFWL_Widget *pWidget);
    virtual FX_DWORD	GetThemeID(IFWL_Widget *pWidget);
    virtual FX_DWORD	SetThemeID(IFWL_Widget *pWidget, FX_DWORD dwThemeID, FX_BOOL bChildren = TRUE);
    virtual FWL_ERR		GetThemeMatrix(IFWL_Widget *pWidget, CFX_Matrix &matrix);
    virtual FWL_ERR		SetThemeMatrix(IFWL_Widget *pWidget, const CFX_Matrix &matrix);
    virtual FX_BOOL		DrawBackground(CFWL_ThemeBackground *pParams);
    virtual FX_BOOL		DrawText(CFWL_ThemeText *pParams);
    virtual FX_LPVOID   GetCapacity(CFWL_ThemePart *pThemePart, FX_DWORD dwCapacity);
    virtual FX_BOOL		IsCustomizedLayout(IFWL_Widget *pWidget);
    virtual FWL_ERR		GetPartRect(CFWL_ThemePart *pThemePart, CFX_RectF &rtPart);
    virtual FX_BOOL		IsInPart(CFWL_ThemePart *pThemePart, FX_FLOAT fx, FX_FLOAT fy);
    virtual	FX_BOOL		CalcTextRect(CFWL_ThemeText *pParams, CFX_RectF &rect);
    virtual FWL_ERR		Initialize();
    virtual FWL_ERR		Finalize();
    virtual ~CFWL_WidgetTP();
    FWL_ERR		SetFont(IFWL_Widget *pWidget, FX_LPCWSTR strFont, FX_FLOAT fFontSize, FX_ARGB rgbFont);
    FWL_ERR		SetFont(IFWL_Widget *pWidget, IFX_Font *pFont, FX_FLOAT fFontSize, FX_ARGB rgbFont);
    IFX_Font*	GetFont(IFWL_Widget *pWidget);
protected:
    CFWL_WidgetTP();
    FX_ERR	InitTTO();
    FX_ERR	FinalizeTTO();
    void	DrawEdge(CFX_Graphics *pGraphics, FX_DWORD dwStyles, const CFX_RectF *pRect, CFX_Matrix *pMatrix = NULL);
    void	Draw3DRect(CFX_Graphics *pGraphics, FWLTHEME_EDGE eType, FX_FLOAT fWidth, const CFX_RectF *pRect, FX_ARGB cr1, FX_ARGB cr2, FX_ARGB cr3, FX_ARGB cr4, CFX_Matrix *pMatrix = NULL);
    void	Draw3DCircle(CFX_Graphics *pGraphics, FWLTHEME_EDGE eType, FX_FLOAT fWidth, const CFX_RectF *pRect, FX_ARGB cr1, FX_ARGB cr2, FX_ARGB cr3, FX_ARGB cr4, CFX_Matrix *pMatrix = NULL);
    void	DrawBorder(CFX_Graphics *pGraphics, const CFX_RectF *pRect, CFX_Matrix *pMatrix = NULL);
    void	FillBackground(CFX_Graphics *pGraphics, const CFX_RectF *pRect, CFX_Matrix *pMatrix = NULL);
    void	FillSoildRect(CFX_Graphics *pGraphics, FX_ARGB fillColor, const CFX_RectF *pRect, CFX_Matrix *pMatrix = NULL);
    void	DrawAxialShading(CFX_Graphics *pGraphics, FX_FLOAT fx1, FX_FLOAT fy1, FX_FLOAT fx2, FX_FLOAT fy2, FX_ARGB beginColor, FX_ARGB endColor, CFX_Path *path, FX_INT32 fillMode = FXFILL_WINDING, CFX_Matrix *pMatrix = NULL);
    void	DrawAnnulusRect(CFX_Graphics *pGraphics, FX_ARGB fillColor, const CFX_RectF *pRect, FX_FLOAT fRingWidth = 1, CFX_Matrix *pMatrix = NULL);
    void	DrawAnnulusCircle(CFX_Graphics *pGraphics, FX_ARGB fillColor, const CFX_RectF *pRect, FX_FLOAT fWidth = 1, CFX_Matrix *pMatrix = NULL);
    void	DrawFocus(CFX_Graphics *pGraphics, const CFX_RectF *pRect, CFX_Matrix *pMatrix = NULL);
    void	DrawArrow(CFX_Graphics *pGraphics, const CFX_RectF *pRect, FWLTHEME_DIRECTION eDict, FX_ARGB argbFill, FX_BOOL bPressed, CFX_Matrix *pMatrix = NULL);
    void	DrawArrow(CFX_Graphics *pGraphics, const CFX_RectF *pRect, FWLTHEME_DIRECTION eDict, FX_ARGB argSign, CFX_Matrix *pMatrix = NULL);
    void	DrawBtn(CFX_Graphics *pGraphics, const CFX_RectF *pRect, FWLTHEME_STATE eState, CFX_Matrix *pMatrix = NULL);
    void	DrawArrowBtn(CFX_Graphics *pGraphics, const CFX_RectF *pRect, FWLTHEME_DIRECTION eDict, FWLTHEME_STATE eState, CFX_Matrix *pMatrix = NULL);
    FWLCOLOR BlendColor(FWLCOLOR srcColor, FWLCOLOR renderColor, FX_BYTE scale);
    FX_DWORD		m_dwRefCount;
    IFDE_TextOut   *m_pTextOut;
    IFX_Font	   *m_pFDEFont;
    FX_FLOAT		m_fValue;
    FX_DWORD		m_dwValue;
    CFX_RectF		m_rtMargin;
    FX_DWORD		m_dwThemeID;
    CFX_Matrix		_ctm;
};
FX_BOOL	FWLTHEME_Init();
void	FWLTHEME_Release();
FX_DWORD FWL_GetThemeLayout(FX_DWORD dwThemeID);
FX_DWORD FWL_GetThemeColor(FX_DWORD dwThemeID);
FX_DWORD FWL_MakeThemeID(FX_DWORD dwLayout, FX_DWORD dwColor);
class CFWL_ArrowData : public CFX_Object
{
public:
    static CFWL_ArrowData* GetInstance();
    static FX_BOOL IsInstance();
    static void DestroyInstance();
    virtual ~CFWL_ArrowData();
    void SetColorData(FX_DWORD	dwID);

    class CColorData : public CFX_Object
    {
    public:
        FX_ARGB clrBorder[4];
        FX_ARGB clrStart[4];
        FX_ARGB clrEnd[4];
        FX_ARGB	clrSign[4];
    } *m_pColorData;
protected:
    CFWL_ArrowData();
    static CFWL_ArrowData *m_pInstance;
};
class CFWL_FontData : public CFX_Object
{
public:
    CFWL_FontData();
    virtual ~CFWL_FontData();
    FX_BOOL Equal(FX_WSTR wsFontFamily, FX_DWORD dwFontStyles, FX_WORD wCodePage);
    FX_BOOL LoadFont(FX_WSTR wsFontFamily, FX_DWORD dwFontStyles, FX_WORD wCodePage);
    IFX_Font*  GetFont() const
    {
        return m_pFont;
    }
protected:
    CFX_WideString			m_wsFamily;
    FX_DWORD				m_dwStyles;
    FX_DWORD				m_dwCodePage;
    IFX_Font				*m_pFont;
    IFX_FontMgr				*m_pFontMgr;
#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
    IFX_FontSourceEnum		*m_pFontSource;
#endif
};
class CFWL_FontManager : public CFX_Object
{
public:
    CFWL_FontManager();
    virtual ~CFWL_FontManager();
    IFX_Font* FindFont(FX_WSTR wsFontFamily, FX_DWORD dwFontStyles, FX_WORD dwCodePage);
protected:
    CFX_PtrArray    m_arrFonts;
};
CFWL_FontManager *FWL_GetFontManager();
#endif