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splash.c
资源名称：zipsrc.zip　[点击查看]
上传用户：jlteech
上传日期：2007-01-06
资源大小：349k
文件大小：4k
源码类别：

压缩解压

开发平台：

Visual C++

splash.c：源码内容
  1. #include <windows.h>
  2. #include "wiz.h"
  3. #ifdef WIN32
  4. HWND hSplashScreen;
  6. HBITMAP LoadResourceBitmap(HINSTANCE hInstance, LPSTR lpString,
  7.                            HPALETTE FAR* lphPalette);
  8. HPALETTE CreateDIBPalette (LPBITMAPINFO lpbmi, LPINT lpiNumColors);
  10. HPALETTE CreateDIBPalette (LPBITMAPINFO lpbmi, LPINT lpiNumColors)
  11. {
  12.    LPBITMAPINFOHEADER  lpbi;
  13.    LPLOGPALETTE     lpPal;
  14.    HANDLE           hLogPal;
  15.    HPALETTE         hPal = NULL;
  16.    int              i;
  18.    lpbi = (LPBITMAPINFOHEADER)lpbmi;
  19.    if (lpbi->biBitCount <= 8)
  20.        *lpiNumColors = (1 << lpbi->biBitCount);
  21.    else
  22.        *lpiNumColors = 0;  // No palette needed for 24 BPP DIB
  24.    if (*lpiNumColors)
  25.       {
  26.       hLogPal = GlobalAlloc (GHND, sizeof (LOGPALETTE) +
  27.                              sizeof (PALETTEENTRY) * (*lpiNumColors));
  28.       lpPal = (LPLOGPALETTE) GlobalLock (hLogPal);
  29.       lpPal->palVersion    = 0x300;
  30.       lpPal->palNumEntries = (WORD)*lpiNumColors;
  32.       for (i = 0;  i < *lpiNumColors;  i++)
  33.          {
  34.          lpPal->palPalEntry[i].peRed   = lpbmi->bmiColors[i].rgbRed;
  35.          lpPal->palPalEntry[i].peGreen = lpbmi->bmiColors[i].rgbGreen;
  36.          lpPal->palPalEntry[i].peBlue  = lpbmi->bmiColors[i].rgbBlue;
  37.          lpPal->palPalEntry[i].peFlags = 0;
  38.          }
  39.       hPal = CreatePalette (lpPal);
  40.       GlobalUnlock (hLogPal);
  41.       GlobalFree   (hLogPal);
  42.    }
  43.    return hPal;
  44. }
  46. HBITMAP LoadResourceBitmap(HINSTANCE hInstance, LPSTR lpString,
  47.                            HPALETTE FAR* lphPalette)
  48. {
  49.     HRSRC  hRsrc;
  50.     HGLOBAL hGlobal, hTemp;
  51.     DWORD dwSize;
  52.     HBITMAP hBitmapFinal = NULL;
  53.     LPBITMAPINFOHEADER  lpbi;
  54.     LPSTR lpRes, lpNew;
  55.     HDC hdc;
  56.     int iNumColors;
  58.     if ((hRsrc = FindResource(hInstance, lpString, RT_BITMAP)) != NULL)
  59.     {
  60.        hTemp = LoadResource(hInstance, hRsrc);
  61.        dwSize = SizeofResource(hInstance, hRsrc);
  62.        lpRes = LockResource(hTemp);
  64.        hGlobal = GlobalAlloc(GHND, dwSize);
  65.        lpNew = GlobalLock(hGlobal);
  66.        memcpy(lpNew, lpRes, dwSize);
  67.        FreeResource(hTemp);
  69.        lpbi = (LPBITMAPINFOHEADER)lpNew;
  71.        hdc = GetDC(NULL);
  72.        *lphPalette =  CreateDIBPalette ((LPBITMAPINFO)lpbi, &iNumColors);
  73.        if (*lphPalette)
  74.        {
  75.           SelectPalette(hdc,*lphPalette,FALSE);
  76.           RealizePalette(hdc);
  77.        }
  79.        hBitmapFinal = CreateDIBitmap(hdc,
  80.                  (LPBITMAPINFOHEADER)lpbi,
  81.                  (LONG)CBM_INIT,
  82.                  (LPSTR)lpbi + lpbi->biSize + iNumColors * sizeof(RGBQUAD),
  83.                  (LPBITMAPINFO)lpbi,
  84.                  DIB_RGB_COLORS );
  86.        ReleaseDC(NULL,hdc);
  87.        GlobalUnlock(hGlobal);
  88.        GlobalFree(hGlobal);
  89.     }
  90.     return (hBitmapFinal);
  91. }
  93. void ShowSplashScreen(void)
  94. {
  95. HWND hWndDesktop;
  96. RECT rc;
  97. HBITMAP hBitmap,hOldBitmap;
  98. HPALETTE hPalette;
  99. HDC hMemDC, hdc;
  100. BITMAP bm;
  102. hBitmap = LoadResourceBitmap(hInst,"splash", &hPalette);
  103. GetObject(hBitmap, sizeof(BITMAP), (LPSTR)&bm);
  105. hWndDesktop = GetDesktopWindow();
  106. GetClientRect(hWndDesktop, &rc);
  108. rc.left = (rc.right-bm.bmWidth)/2;
  109. rc.top  = (rc.bottom-bm.bmHeight)/2;
  111. hSplashScreen = CreateWindow("STATIC", NULL,
  112.         WS_CHILD|WS_VISIBLE | WS_DLGFRAME |
  113.         WS_EX_TOPMOST,
  114.         rc.left,
  115.         rc.top,
  116.         bm.bmWidth+(2*GetSystemMetrics(SM_CXFIXEDFRAME)),
  117.         bm.bmHeight+(2*GetSystemMetrics(SM_CYFIXEDFRAME)),
  118.         hWndDesktop,
  119.         NULL, /* Use class menu */
  120.         (HANDLE)GetWindowLong (hWndDesktop, GWL_HINSTANCE),
  121.         NULL);
  123. SetWindowPos(hSplashScreen,
  124.              HWND_TOP,
  125.              rc.left,
  126.              rc.top,
  127.              bm.bmWidth+(2*GetSystemMetrics(SM_CXFIXEDFRAME)),
  128.              bm.bmHeight+(2*GetSystemMetrics(SM_CYFIXEDFRAME)),
  129.              SWP_SHOWWINDOW);
  131. hdc = GetDC(hSplashScreen);
  132. hMemDC = CreateCompatibleDC(hdc);
  133. SelectPalette(hdc,hPalette,FALSE);
  134. RealizePalette(hdc);
  135. SelectPalette(hMemDC,hPalette,FALSE);
  136. RealizePalette(hMemDC);
  137. hOldBitmap = SelectObject(hMemDC,hBitmap);
  138. BitBlt(hdc,0,0,bm.bmWidth,bm.bmHeight,hMemDC,0,0,SRCCOPY);
  139. DeleteObject(SelectObject(hMemDC,hOldBitmap));
  140. DeleteDC(hMemDC);
  141. ReleaseDC(hSplashScreen,hdc);
  142. DeleteObject(hPalette);
  143. UpdateWindow(hWndDesktop);
  144. }
  145. #endif /* ?WIN32 */