用mciSendCommand函数做的mp3播放器2.0版

/*--------------------------------- DIBFILE.C -- DIB File Functions ---------------------------------*/ #include "StdAfx.h" #include "DibFile.h" bool compare_nocase(const Tstring& first, const Tstring& second) { if(lstrcmpi(first.c_str(),second.c_str())<0) return true; else return false; } bool operator<(const Tstring& lhs,const Tstring& rhs) { return compare_nocase(lhs,rhs); } ////////////////////////////////// FileDialog::FileDialog() { m_ofn.lStructSize = sizeof (OPENFILENAME) ; m_ofn.hwndOwner = NULL ; m_ofn.hInstance = NULL ; m_ofn.lpstrFilter = NULL ; m_ofn.lpstrCustomFilter = NULL ; m_ofn.nMaxCustFilter = 0 ; m_ofn.nFilterIndex = 0 ; m_ofn.lpstrFile = NULL ;// Set in Open and Close functions m_ofn.nMaxFile = MAX_PATH ; m_ofn.lpstrFileTitle = NULL ;// Set in Open and Close functions m_ofn.nMaxFileTitle = MAX_PATH ; m_ofn.lpstrInitialDir = NULL ; m_ofn.lpstrTitle = NULL ; m_ofn.Flags = 0 ;// Set in Open and Close functions m_ofn.nFileOffset = 0 ; m_ofn.nFileExtension = 0 ; m_ofn.lpstrDefExt = NULL ;//TEXT("JPG")ppend this extension to the file name if the user fails to type an extension m_ofn.lCustData = 0 ; m_ofn.lpfnHook = NULL ; m_ofn.lpTemplateName = NULL ; } BOOL FileDialog::GetFileOpenName(HWND hwnd,PTSTR pstrFileName,PTSTR pstrTitleName,LPCTSTR szFilter) { if(NULL==pstrFileName) return FALSE; LPCTSTR lpstrDefExt; if(NULL!=szFilter) { lpstrDefExt=_tcschr(szFilter+_tcslen(szFilter)+1,'.'); if(NULL!=lpstrDefExt) m_ofn.lpstrDefExt=lpstrDefExt+1; } m_ofn.hwndOwner = hwnd ; m_ofn.lpstrFile = pstrFileName ; m_ofn.lpstrFileTitle = pstrTitleName ; m_ofn.lpstrFilter = szFilter ; m_ofn.Flags = 0 ; return GetOpenFileName (&m_ofn) ; } BOOL FileDialog::GetFileSaveName(HWND hwnd,PTSTR pstrFileName,PTSTR pstrTitleName,LPCTSTR szFilter) { if(NULL==pstrFileName) return FALSE; LPCTSTR lpstrDefExt; if(NULL!=szFilter) { lpstrDefExt=_tcschr(szFilter+_tcslen(szFilter)+1,'.'); if(NULL!=lpstrDefExt) m_ofn.lpstrDefExt=lpstrDefExt+1; } m_ofn.hwndOwner = hwnd ; m_ofn.lpstrFile = pstrFileName ; m_ofn.lpstrFileTitle = pstrTitleName ; m_ofn.lpstrFilter = szFilter ; m_ofn.Flags = OFN_OVERWRITEPROMPT ; return GetSaveFileName (&m_ofn) ; } ////////////////////////////////////////// ColorDialog::ColorDialog() { m_cc.lStructSize=sizeof(CHOOSECOLOR); m_cc.hwndOwner=NULL; m_cc.hInstance=NULL; m_cc.rgbResult=RGB(0,0,0); m_cc.lpCustColors=NULL; m_cc.Flags=CC_ANYCOLOR|CC_RGBINIT|CC_FULLOPEN; m_cc.lCustData=NULL; m_cc.lpfnHook=NULL; m_cc.lpTemplateName=NULL; } BOOL ColorDialog::GetColorRef(HWND hwnd,COLORREF* prgbRet,COLORREF *lpCustColors)//lpCustColors个数为16个 { if(NULL==prgbRet) return FALSE; m_cc.hwndOwner=hwnd; m_cc.rgbResult=*prgbRet; m_cc.lpCustColors=lpCustColors; if(ChooseColor(&m_cc)) { *prgbRet=m_cc.rgbResult; return TRUE; } else return FALSE; } ////////////////////////////////////////// BITMAPFILEHEADER * DibLoadImage (LPCTSTR pstrFileName) { BOOL bSuccess ; DWORD dwFileSize, dwHighSize, dwBytesRead ; HANDLE hFile ; BITMAPFILEHEADER * pbmfh ; hFile = CreateFile (pstrFileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, NULL) ; if (hFile == INVALID_HANDLE_VALUE) return NULL ; dwFileSize = GetFileSize (hFile, &dwHighSize) ; if (dwHighSize) { CloseHandle (hFile) ; return NULL ; } pbmfh = (BITMAPFILEHEADER *)malloc (dwFileSize) ; if (!pbmfh) { CloseHandle (hFile) ; return NULL ; } bSuccess = ReadFile (hFile, pbmfh, dwFileSize, &dwBytesRead, NULL) ; CloseHandle (hFile) ; if (!bSuccess || (dwBytesRead != dwFileSize) || (pbmfh->bfType != * (WORD *) "BM") || (pbmfh->bfSize != dwFileSize)) { free (pbmfh) ; return NULL ; } return pbmfh ; } BOOL DibSaveImage (LPCTSTR pstrFileName, BITMAPFILEHEADER * pbmfh) { BOOL bSuccess ; DWORD dwBytesWritten ; HANDLE hFile ; hFile = CreateFile (pstrFileName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL) ; if (hFile == INVALID_HANDLE_VALUE) return FALSE ; bSuccess = WriteFile (hFile, pbmfh, pbmfh->bfSize, &dwBytesWritten, NULL) ; CloseHandle (hFile) ; if (!bSuccess || (dwBytesWritten != pbmfh->bfSize)) { DeleteFile (pstrFileName) ; return FALSE ; } return TRUE ; } BITMAPFILEHEADER * DDBToDIB (HDC hdc, HBITMAP hBitmap,int BitCount) { BITMAP bm; int iOffset, iSizeImage ; BYTE *pBits; BITMAPFILEHEADER *pbfh; BITMAPINFO *pbi; if(NULL==hBitmap) return NULL; GetObject(hBitmap,sizeof(BITMAP),&bm); switch(BitCount) { case 1: case 4: case 8: iOffset=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+sizeof(RGBQUAD)*(1<<BitCount); break; case 16: case 24: case 32: iOffset=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER); break; default: return NULL; } iSizeImage=(((bm.bmWidth*BitCount+31)/32)*4)*bm.bmHeight; pbfh=(BITMAPFILEHEADER *)malloc(iOffset+iSizeImage); if(NULL==pbfh) return NULL; pBits=(BYTE *)pbfh+iOffset; pbi=(BITMAPINFO *)(pbfh+1); pbfh->bfType=0x4D42; pbfh->bfSize=iOffset+iSizeImage; pbfh->bfReserved1=0; pbfh->bfReserved2=0; pbfh->bfOffBits=iOffset; pbi->bmiHeader.biSize=sizeof(BITMAPINFOHEADER); pbi->bmiHeader.biWidth=bm.bmWidth; pbi->bmiHeader.biHeight=bm.bmHeight; pbi->bmiHeader.biPlanes=1; pbi->bmiHeader.biBitCount=BitCount; pbi->bmiHeader.biCompression=BI_RGB; pbi->bmiHeader.biSizeImage=iSizeImage; pbi->bmiHeader.biXPelsPerMeter=0; pbi->bmiHeader.biYPelsPerMeter=0; if(BitCount<16) { pbi->bmiHeader.biClrUsed=pbi->bmiHeader.biClrImportant=(1<<BitCount); } else { pbi->bmiHeader.biClrUsed=pbi->bmiHeader.biClrImportant=0; } GetDIBits(hdc,hBitmap,0,bm.bmHeight,pBits,pbi,DIB_RGB_COLORS); return pbfh; } HBITMAP CreateBitmapObjectFromDibFile (HDC hdc, LPCTSTR szFileName) { BITMAPFILEHEADER * pbmfh ; BOOL bSuccess ; DWORD dwFileSize, dwHighSize, dwBytesRead ; HANDLE hFile ; HBITMAP hBitmap ; hFile = CreateFile (szFileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, NULL) ; if (hFile == INVALID_HANDLE_VALUE) return NULL ; dwFileSize = GetFileSize (hFile, &dwHighSize) ; if (dwHighSize) { CloseHandle (hFile) ; return NULL ; } pbmfh = (BITMAPFILEHEADER *)malloc (dwFileSize) ; if (!pbmfh) { CloseHandle (hFile) ; return NULL ; } bSuccess = ReadFile (hFile, pbmfh, dwFileSize, &dwBytesRead, NULL) ; CloseHandle (hFile) ; if (!bSuccess || (dwBytesRead != dwFileSize) || (pbmfh->bfType != * (WORD *) "BM") || (pbmfh->bfSize != dwFileSize)) { free (pbmfh) ; return NULL ; } hBitmap = CreateDIBitmap (hdc, (BITMAPINFOHEADER *) (pbmfh + 1), CBM_INIT, (BYTE *) pbmfh + pbmfh->bfOffBits, (BITMAPINFO *) (pbmfh + 1), DIB_RGB_COLORS) ; free (pbmfh) ; return hBitmap ; } HBITMAP CreateDibSectionFromDibFile (LPCTSTR szFileName) { BITMAPFILEHEADER bmfh ; BITMAPINFO * pbmi ; BYTE * pBits ; BOOL bSuccess ; DWORD dwInfoSize, dwBytesRead ; HANDLE hFile ; HBITMAP hBitmap ; hFile = CreateFile (szFileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL) ; if (hFile == INVALID_HANDLE_VALUE) return NULL ; bSuccess = ReadFile (hFile, &bmfh, sizeof (BITMAPFILEHEADER), &dwBytesRead, NULL) ; if (!bSuccess || (dwBytesRead != sizeof (BITMAPFILEHEADER)) || (bmfh.bfType != * (WORD *) "BM"))