//////////////////////////////////////////////////////////////////////////////
//文件 ImageBase.h
//主要功能: 
//
//程序编写:		2005-12-07
/////////////////////////////////////////////////////////////////////////////

#pragma once

#include "CxImage\CxImage\ximage.h"

//图像序列化格式支持
#define IMAGE_SERIALIZE_BITAMP	1				//序列化为位图格式
#define IMAGE_SERIALIZE_JPEG	2
#define IMAGE_SERIALIZE_PNG		3
#define IMAGE_SERIALIZE_ICO		4
#define IMAGE_SERIALIZE_TIFF	5
#define IMAGE_SERIALIZE_GIF		6

namespace NImage
{

	class AFX_EXT_CLASS CImageBase : public CxImage
	{
	public:
		CImageBase(void);
		virtual ~CImageBase();

		BOOL Create(int nWidth, int nHeight, int nBPP, DWORD imagetype=CXIMAGE_FORMAT_BMP);
		void Destroy(void);

		HBITMAP Detach();
		void Attach( HBITMAP hBitmap);

		BOOL PastFromClipboard(void);	//从剪切板上粘贴图像
		BOOL CopyToClipboard(HWND hWnd=NULL);

		BOOL Draw(CDC& hDestDC, CRect8& rectScreenDest, CRect* clientRect);
		long Draw(HDC hDestDC, const RECT& rectDest, const RECT& rectSrc, DWORD dwRop = SRCCOPY);	//显示图像，支持透明显示
		long Draw(HDC hDestDC, int xDest, int yDest, int nDestWidth, int nDestHeight,
			int xSrc, int ySrc, int nSrcWidth, int nSrcHeight, DWORD dwRop = SRCCOPY);
		void Erase(COLORREF pColor);

		void operator = (const CImageBase& isrc);

		HBITMAP MakeBitmap32(HDC hdc = NULL);

		bool GetColorTable( RGBQUAD** pprgbColors );
		void SetColorTable( RGBQUAD*  prgbColors );
		int GetMaxColorTableEntries(void);

		BYTE*	GetPixelAddress(long x, long y);
		COLORREF GetPixel(long x, long y);
		void SetPixel(long x, long y, COLORREF color);
		int GetType(void);
		int GetBpp(void);

		int GetSerializeType(CString strFileExt);

		BOOL LoadImage(LPCTSTR lpszImageName);
		BOOL LoadImage(CFile& fr);
		BOOL SaveAs(LPCTSTR lpszImageName, CRect8* pRect=NULL);
		BOOL SaveAs(CFile& fw);
		bool Serialize(CArchive& ar, const short &ver);

		INT_PTR FileDialog( BOOL bOpenFileDialog, CString& fileName, CString strTitle=_T(""), DWORD lFlags=OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT );
		CString GetImageFilter(BOOL bOpenFileDialog);

		//CImage
		bool ReadBitmap(CArchive& ar, CImage* pImage);
		bool WriteBitmap(CArchive& ar, CImage* pImage);
		HBITMAP CreateBitmapIndirect(HBITMAP hScrBitmap);
		HBITMAP CreateBitmapIndirect(LPBITMAPINFO lpBitmapInfo, const void* lpSrcBits);

		bool Gamma(double gamma);//0.1至5
		bool Light(long brightness, long contrast=0);
		void MirrorX(void);
		void MirrorY(void);
		void TowColor(int NoBegin, int NoEnd);
		long ReplaceColor(COLORREF oldColor, COLORREF newColor);

		static int GetImageType(LPCTSTR lpszImageName);
		static void* GetSupportImageType(int* pOutCount);	//获得支持的所有图像类型

		void DrawCurve(void* pCurve, void *pZoom, COLORREF col);//CCurve* pCurve, CGrid* pZoom
		void LineTo(CPoint point, COLORREF col);
		void MoveTo(CPoint point);
		//以x0为轴，//IsPositive=0画负轴，=1画正轴，=2两边都画
		void DrawSolid(int x0, int x1, int x2, int y1, int y2, COLORREF col, int IsPositive);

		/**
		 * 获取当前透明模式
		 * 透明模式通过位运算存储，可能同时存在多种状态
		 * 
		 * \return 返回当前的透明模式值，表示不同的透明模式状态
		 */
		uint32_t GetTransparentMode();

		/**
		 * 设置透明模式
		 * 
		 * \param transparentMode 透明模式
		 */
		void SetTransparentMode(uint32_t transparentMode);

		/**
		 * 清理透明模式
		 * 
		 * \param transparentMode 透明模式
		 */
		void ClearTransparentMode(uint32_t transparentMode);

	protected:
		bool Lut(BYTE* pTable);
		CPoint PointBegin;	//for MoveTo, LineTo
	public:

	private:
		uint32_t m_transparentMode = 0;
	};

};

using namespace NImage;