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