www.pudn.com > snatl.rar > Icons.h

// Icons.h: interface for the CIcons class. 
////////////////////////////////////////////////////////////////////// 
// 
//用途：IconSnap所需调用的类 
//功能：图标基础操作类 
//作者：徐景周 
//日期：2001年9月 
// 
////////////////////////////////////////////////////////////////////// 
 
#if !defined(AFX_ICONS_H__22E22BB7_2BD4_42EB_B682_EAFB6A753BAC__INCLUDED_) 
#define AFX_ICONS_H__22E22BB7_2BD4_42EB_B682_EAFB6A753BAC__INCLUDED_ 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
 
/****************************************************************************/ 
// These first two structs represent how the icon information is stored 
// when it is bound into a EXE or DLL file. Structure members are WORD 
// aligned and the last member of the structure is the ID instead of 
// the imageoffset. 
#pragma pack( push ) 
#pragma pack( 2 ) 
typedef struct 
{ 
	BYTE	bWidth;               // Width of the image 
	BYTE	bHeight;              // Height of the image (times 2) 
	BYTE	bColorCount;          // Number of colors in image (0 if >=8bpp) 
	BYTE	bReserved;            // Reserved 
	WORD	wPlanes;              // Color Planes 
	WORD	wBitCount;            // Bits per pixel 
	DWORD	dwBytesInRes;         // how many bytes in this resource? 
	WORD	nID;                  // the ID 
} MEMICONDIRENTRY, *LPMEMICONDIRENTRY; 
typedef struct  
{ 
	WORD			idReserved;   // Reserved 
	WORD			idType;       // resource type (1 for icons) 
	WORD			idCount;      // how many images? 
	MEMICONDIRENTRY	idEntries[1]; // the entries for each image 
} MEMICONDIR, *LPMEMICONDIR; 
#pragma pack( pop ) 
 
// These next two structs represent how the icon information is stored 
// in an ICO file. 
typedef struct 
{ 
	BYTE	bWidth;               // Width of the image 
	BYTE	bHeight;              // Height of the image (times 2) 
	BYTE	bColorCount;          // Number of colors in image (0 if >=8bpp) 
	BYTE	bReserved;            // Reserved 
	WORD	wPlanes;              // Color Planes 
	WORD	wBitCount;            // Bits per pixel 
	DWORD	dwBytesInRes;         // how many bytes in this resource? 
	DWORD	dwImageOffset;        // where in the file is this image 
} ICONDIRENTRY, *LPICONDIRENTRY; 
typedef struct  
{ 
	WORD			idReserved;   // Reserved 
	WORD			idType;       // resource type (1 for icons) 
	WORD			idCount;      // how many images? 
	ICONDIRENTRY	idEntries[1]; // the entries for each image 
} ICONDIR, *LPICONDIR; 
 
 
// The following two structs are for the use of this program in 
// manipulating icons. They are more closely tied to the operation 
// of this program than the structures listed above. One of the 
// main differences is that they provide a pointer to the DIB 
// information of the masks. 
typedef struct 
{ 
	UINT			Width, Height, Colors; // Width, Height and bpp 
	LPBYTE			lpBits;                // ptr to DIB bits 
	DWORD			dwNumBytes;            // how many bytes? 
	LPBITMAPINFO	lpbi;                  // ptr to header 
	LPBYTE			lpXOR;                 // ptr to XOR image bits 
	LPBYTE			lpAND;                 // ptr to AND image bits 
} ICONIMAGE, *LPICONIMAGE; 
typedef struct 
{ 
	BOOL		bHasChanged;                     // Has image changed? 
	TCHAR		szOriginalICOFileName[MAX_PATH]; // Original name 
	TCHAR		szOriginalDLLFileName[MAX_PATH]; // Original name 
	UINT		nNumImages;                      // How many images? 
	ICONIMAGE	IconImages[1];                   // Image entries 
} ICONRESOURCE, *LPICONRESOURCE; 
/****************************************************************************/ 
 
/****************************************************************************/ 
// Resource Position info - size and offset of a resource in a file 
typedef struct 
{ 
    DWORD	dwBytes; 
    DWORD	dwOffset; 
} RESOURCEPOSINFO, *LPRESOURCEPOSINFO; 
// EXE/DLL icon information - filename, instance handle and ID 
typedef struct 
{ 
    LPCTSTR    	szFileName; 
    HINSTANCE	hInstance; 
    LPTSTR    	lpID; 
} EXEDLLICONINFO, *LPEXEDLLICONINFO; 
/****************************************************************************/ 
 
#define MAX_ICON_WIDTH	128              // Max width 
#define MIN_ICON_WIDTH	16               // Min width 
#define MAX_ICON_HEIGHT	MAX_ICON_WIDTH   // Max height 
#define MIN_ICON_HEIGHT	MIN_ICON_WIDTH   // Min height 
 
class CIcons   
{ 
public: 
	CIcons(); 
	virtual ~CIcons(); 
 
public: 
	LPICONRESOURCE ReadIconFromICOFile( LPCTSTR szFileName ); 
	BOOL WriteIconToICOFile( LPICONRESOURCE lpIR, LPCTSTR szFileName ); 
	HICON MakeIconFromResource( LPICONIMAGE lpIcon ); 
	HICON GetIconFromInstance( HINSTANCE hInstance, LPTSTR nIndex ); 
	LPICONRESOURCE ReadIconFromEXEFile( LPCTSTR szFileName, LPTSTR lpID); 
	BOOL IconImageToClipBoard( LPICONIMAGE lpii ); 
	BOOL IconImageFromClipBoard( LPICONIMAGE lpii, BOOL bStretchToFit ); 
	BOOL IconImageFromBMPFile( LPCTSTR szFileName, LPICONIMAGE lpii, BOOL bStretchToFit ); 
	BOOL IconImageToBMPFile( LPCTSTR szFileName, LPICONIMAGE lpii ); 
 
private: 
	UINT ReadICOHeader( HANDLE hFile ); 
	BOOL AdjustIconImagePointers( LPICONIMAGE lpImage ); 
	BOOL WriteICOHeader( HANDLE hFile, UINT nNumEntries ); 
	DWORD CalculateImageOffset( LPICONRESOURCE lpIR, UINT nIndex ); 
	BOOL DIBToIconImage( LPICONIMAGE lpii, LPBYTE lpDIB, BOOL bStretch ); 
 
}; 
 
#endif // !defined(AFX_ICONS_H__22E22BB7_2BD4_42EB_B682_EAFB6A753BAC__INCLUDED_)