//--------------------------------------------------------------------------------------
// File: DXUTgui.h
//
// Desc: 
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//--------------------------------------------------------------------------------------
#pragma once
#ifndef DXUT_GUI_H
#define DXUT_GUI_H


//--------------------------------------------------------------------------------------
// Enums for pre-defined control types
//--------------------------------------------------------------------------------------
enum DXUT_CONTROL_STATE
{
    DXUT_STATE_NORMAL = 0,
    DXUT_STATE_DISABLED,
    DXUT_STATE_HIDDEN,
    DXUT_STATE_FOCUS,
    DXUT_STATE_MOUSEOVER,
    DXUT_STATE_PRESSED,
};

#define MAX_CONTROL_STATES 6

struct DXUTBlendColor
{
    void Init( D3DCOLOR defaultColor, D3DCOLOR disabledColor = D3DCOLOR_ARGB(200, 128, 128, 128), D3DCOLOR hiddenColor = 0 );
    void Blend( UINT iState, float fElapsedTime, float fRate = 0.7f );
    
    D3DCOLOR  States[ MAX_CONTROL_STATES ]; // Modulate colors for all possible control states
    D3DXCOLOR Current;
};


//--------------------------------------------------------------------------------------
// Structs for shared resources
//--------------------------------------------------------------------------------------
struct DXUTTextureNode
{
    TCHAR strFilename[MAX_PATH];
    IDirect3DTexture9* pTexture;
    DWORD dwWidth;
    DWORD dwHeight;
};

struct DXUTFontNode
{
    TCHAR strFace[MAX_PATH];
    ID3DXFont* pFont;
    LONG  nHeight;
    LONG  nWeight;
};


//-----------------------------------------------------------------------------
// Manages shared resources of dialogs
//-----------------------------------------------------------------------------
class CDXUTDialogResourceManager
{
public:
    CDXUTDialogResourceManager();

    HRESULT     OnResetDevice();
    void        OnLostDevice();
    void        OnDestroyDevice();

    // Shared between all dialogs
    IDirect3DStateBlock9* m_pStateBlock;
    ID3DXSprite*          m_pSprite;          // Sprite used for drawing

protected:
    CGrowableArray< DXUTTextureNode* > m_TextureCache;   // Shared textures
    CGrowableArray< DXUTFontNode* > m_FontCache;         // Shared fonts
    
    IDirect3DDevice9* m_pd3dDevice;

};


#endif // DXUT_GUI_H