//-------------------------------------------------------------------------------------------------------+
// Copyright (C), 1998-2007, SH Software Co. Ltd.
// = FileName	:   CImageDC 类
// = Version	:   ver2.0
// = Author		:   zjq
// = CreateDate	:   2002-09-09
// = Description:   CImageDC 声明
// = Maintainers: 
//                  
//-------------------------------------------------------------------------------------------------------+
#ifndef _IMAGEDRAWDC_H_
#define _IMAGEDRAWDC_H_

#ifndef _INC_DIBAPI
#include "dibapi.h"
#endif

#ifndef _XIMAGEBUFLIST_H_
#include "XImageBufList.h"
#endif

class GEOAPI CImageDC
{
public:
	CImageDC(CDC *pDC, const CRect &rect, COLORREF bkcolor = RGB(0,0,0));
	CImageDC();
	virtual ~CImageDC();

	enum ImageType
	{
		IT_NONE		= 0,
		IT_BITMAP	= 1, 
		IT_SLIDE	= 2
	};

	void InitDC(CDC *pDC, const CRect &rect, COLORREF bkcolor = RGB(0,0,0));
	void SetAutoScale(BOOL bAuto);
	void SetUniformScale(BOOL bTrue);
	void GetRectDC(CRect &rectDC) const;
	void SetRectDC(const CRect &rect);
	void SetDC(CDC *pDc);
	void SetRotation(double nRot);
	void SetBackColor(COLORREF co);
	void SetHighlight(BOOL bTrue);
	
	BOOL PaintImageOnlyNormal(const TCHAR* pszImageFile);
	BOOL PaintImageNormal(const TCHAR* pszImageFile);
	BOOL GetImageSize(CSize &sizeImage) const;
	COLORREF GetBkColor();

	BOOL PaintDIB(HDIB hDib); 
	BOOL PaintJpeg(const TCHAR *pJpgFile);
	BOOL PaintImage(const TCHAR *pszImageFile);
	BOOL PaintImageOnly(const TCHAR *pszImageFile);
	BOOL PaintSlide(const TCHAR *pszSlideFile);
	BOOL PaintBitmap(CBitmap &bmp);

	void Fill(COLORREF cr);
	BOOL Redraw();
	
	BOOL IsImageLoaded();
	BOOL IsHighlight() const;
	
protected:   
	BOOL PaintImage();
	BOOL PaintSlide();
	
protected:   
	double m_nRotation;
	BOOL m_bAutoScale; //是否自动缩放
	BOOL m_bUniformScale;
	
	COLORREF m_bkColor;
	CDC *m_pDC;
	CRect m_rectDC;
	
	HDIB m_hDIB;
	CPalette *m_palDIB;
	ImageType m_nIT;
	XImageBufList m_slide;
	
	BOOL m_bHighlight; //是否加亮显示
	
};
#endif