base64.h

一个用ATL开发的Base64编码控件

/**********************************************************************
	Quiet Night工作室全力奉献 作者：周磊  若有问题请联系QQ：75297662
						请保留此段，尊重作者
***********************************************************************/
// Base64.h : CBase64 的声明
#pragma once
#include "resource.h"       // 主符号
#include <atlctl.h>
#include <atlstr.h>
#include "WapBase64.h"
#include "_IBase64Events_CP.h"
#include <string>
using std::string;  // comment if your compiler doesn't use namespaces

// CBase64

class ATL_NO_VTABLE CBase64 : 
	public CComObjectRootEx<CComSingleThreadModel>,
	public IDispatchImpl<IBase64, &IID_IBase64, &LIBID_WapBase64Lib, /*wMajor =*/ 1, /*wMinor =*/ 0>,
	public IPersistStreamInitImpl<CBase64>,
	public IOleControlImpl<CBase64>,
	public IOleObjectImpl<CBase64>,
	public IOleInPlaceActiveObjectImpl<CBase64>,
	public IViewObjectExImpl<CBase64>,
	public IOleInPlaceObjectWindowlessImpl<CBase64>,
	public ISupportErrorInfo,
	public IConnectionPointContainerImpl<CBase64>,
	public CProxy_IBase64Events<CBase64>, 
	public IPersistStorageImpl<CBase64>,
	public ISpecifyPropertyPagesImpl<CBase64>,
	public IQuickActivateImpl<CBase64>,
	public IDataObjectImpl<CBase64>,
	public IProvideClassInfo2Impl<&CLSID_Base64, &__uuidof(_IBase64Events), &LIBID_WapBase64Lib>,
	public CComCoClass<CBase64, &CLSID_Base64>,
	public CComControl<CBase64>
{
public:
	void EnBase64();
	void DeBase64(); 
	CBase64()
	{
	}

DECLARE_OLEMISC_STATUS(OLEMISC_RECOMPOSEONRESIZE | 
	OLEMISC_INVISIBLEATRUNTIME |
	OLEMISC_CANTLINKINSIDE | 
	OLEMISC_INSIDEOUT | 
	OLEMISC_ACTIVATEWHENVISIBLE | 
	OLEMISC_SETCLIENTSITEFIRST
)

DECLARE_REGISTRY_RESOURCEID(IDR_BASE64)

BEGIN_COM_MAP(CBase64)
	COM_INTERFACE_ENTRY(IBase64)
	COM_INTERFACE_ENTRY(IDispatch)
	COM_INTERFACE_ENTRY(IViewObjectEx)
	COM_INTERFACE_ENTRY(IViewObject2)
	COM_INTERFACE_ENTRY(IViewObject)
	COM_INTERFACE_ENTRY(IOleInPlaceObjectWindowless)
	COM_INTERFACE_ENTRY(IOleInPlaceObject)
	COM_INTERFACE_ENTRY2(IOleWindow, IOleInPlaceObjectWindowless)
	COM_INTERFACE_ENTRY(IOleInPlaceActiveObject)
	COM_INTERFACE_ENTRY(IOleControl)
	COM_INTERFACE_ENTRY(IOleObject)
	COM_INTERFACE_ENTRY(IPersistStreamInit)
	COM_INTERFACE_ENTRY2(IPersist, IPersistStreamInit)
	COM_INTERFACE_ENTRY(ISupportErrorInfo)
	COM_INTERFACE_ENTRY(IConnectionPointContainer)
	COM_INTERFACE_ENTRY(ISpecifyPropertyPages)
	COM_INTERFACE_ENTRY(IQuickActivate)
	COM_INTERFACE_ENTRY(IPersistStorage)
	COM_INTERFACE_ENTRY(IDataObject)
	COM_INTERFACE_ENTRY(IProvideClassInfo)
	COM_INTERFACE_ENTRY(IProvideClassInfo2)
END_COM_MAP()

BEGIN_PROP_MAP(CBase64)
	PROP_DATA_ENTRY("_cx", m_sizeExtent.cx, VT_UI4)
	PROP_DATA_ENTRY("_cy", m_sizeExtent.cy, VT_UI4)
	// 示例项
	// PROP_ENTRY("Property Description", dispid, clsid)
	// PROP_PAGE(CLSID_StockColorPage)
END_PROP_MAP()

BEGIN_CONNECTION_POINT_MAP(CBase64)
	CONNECTION_POINT_ENTRY(__uuidof(_IBase64Events))
END_CONNECTION_POINT_MAP()

BEGIN_MSG_MAP(CBase64)
	CHAIN_MSG_MAP(CComControl<CBase64>)
	DEFAULT_REFLECTION_HANDLER()
END_MSG_MAP()
// 处理程序原型: 
//  LRESULT MessageHandler(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
//  LRESULT CommandHandler(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled);
//  LRESULT NotifyHandler(int idCtrl, LPNMHDR pnmh, BOOL& bHandled);

// ISupportsErrorInfo
	STDMETHOD(InterfaceSupportsErrorInfo)(REFIID riid)
	{
		static const IID* arr[] = 
		{
			&IID_IBase64,
		};

		for (int i=0; i<sizeof(arr)/sizeof(arr[0]); i++)
		{
			if (InlineIsEqualGUID(*arr[i], riid))
				return S_OK;
		}
		return S_FALSE;
	}

// IViewObjectEx
	DECLARE_VIEW_STATUS(VIEWSTATUS_SOLIDBKGND | VIEWSTATUS_OPAQUE)

// IBase64
public:
		HRESULT OnDraw(ATL_DRAWINFO& di)
		{
		RECT& rc = *(RECT*)di.prcBounds;
		// 将剪辑区域设置为 di.prcBounds 指定的矩形
		HRGN hRgnOld = NULL;
		if (GetClipRgn(di.hdcDraw, hRgnOld) != 1)
			hRgnOld = NULL;
		bool bSelectOldRgn = false;

		HRGN hRgnNew = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom);

		if (hRgnNew != NULL)
		{
			bSelectOldRgn = (SelectClipRgn(di.hdcDraw, hRgnNew) != ERROR);
		}

		Rectangle(di.hdcDraw, rc.left, rc.top, rc.right, rc.bottom);
		CString str = "Quiet Night工作室开发,如有问题和合作意向清联系QQ：75297662";
		SetTextAlign(di.hdcDraw, TA_CENTER|TA_BASELINE);
		LPCTSTR pszText = str;
		TextOut(di.hdcDraw, 
			(rc.left + rc.right) / 2, 
			(rc.top + rc.bottom) / 2, 
			pszText, 
			lstrlen(pszText));

		if (bSelectOldRgn)
			SelectClipRgn(di.hdcDraw, hRgnOld);

		return S_OK;
	}


	DECLARE_PROTECT_FINAL_CONSTRUCT()

	HRESULT FinalConstruct()
	{
		return S_OK;
	}
	
	void FinalRelease() 
	{
	}
	STDMETHOD(get_EnCode)(BSTR* pVal);
	STDMETHOD(put_EnCode)(BSTR newVal);
	STDMETHOD(get_DeCode)(BSTR* pVal);
	STDMETHOD(put_DeCode)(BSTR newVal);
	STDMETHOD(DeCode64)(BSTR str);
	STDMETHOD(EnCode64)(BSTR str);
	string m_EnCode;
	string m_DeCode;

};


	static const char          fillchar = '=';
	static const string::size_type np = string::npos;

	const string Base64Table("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");

	const string::size_type DecodeTable[] = {np,np,np,np,np,np,np,np,np,np,  
													np,np,np,np,np,np,np,np,np,np,  
													np,np,np,np,np,np,np,np,np,np,  
													np,np,np,np,np,np,np,np,np,np,  //30 -39
													np,np,np,62,np,np,np,63,52,53,  //40 -49
													54,55,56,57,58,59,60,61,np,np,  //50 -59
													np,np,np,np,np, 0, 1, 2, 3, 4,  //60 -69
													5, 6, 7, 8, 9,10,11,12,13,14,  //70 -79
													 15,16,17,18,19,20,21,22,23,24,  //80 -89
													 25,np,np,np,np,np,np,26,27,28,  //90 -99
													 29,30,31,32,33,34,35,36,37,38,  //100 -109
													 39,40,41,42,43,44,45,46,47,48,  //110 -119
													 49,50,51,np,np,np,np,np,np,np,  //120 -129
													 np,np,np,np,np,np,np,np,np,np,  //130 -139
													 np,np,np,np,np,np,np,np,np,np,  //140 -149
													 np,np,np,np,np,np,np,np,np,np,  //150 -159
													 np,np,np,np,np,np,np,np,np,np,  //160 -169
													 np,np,np,np,np,np,np,np,np,np,  //170 -179
													 np,np,np,np,np,np,np,np,np,np,  //180 -189
													 np,np,np,np,np,np,np,np,np,np,  //190 -199
													 np,np,np,np,np,np,np,np,np,np,  //200 -209
													 np,np,np,np,np,np,np,np,np,np,  //210 -219
													 np,np,np,np,np,np,np,np,np,np,  //220 -229
													 np,np,np,np,np,np,np,np,np,np,  //230 -239
													 np,np,np,np,np,np,np,np,np,np,  //240 -249
													 np,np,np,np,np,np               //250 -256
													};
	
OBJECT_ENTRY_AUTO(__uuidof(Base64), CBase64)