Teach Yourself Borland C++ in 14 Days - portal

C++ Class Frameworks and the Visual Component Model
8: HBITMAP hBitmap;
9: void _huge *bits;
10: do
11: {
12: if ((hFile = _lopen(data.FileName, OF_READ)) == HFILE_ERROR) break;
13: if (_hread(hFile, &bfh, sizeof(bfh)) != sizeof(bfh)) break;
14: if (bfh.bfType != ‘BM’) break;
15: if (_hread(hFile, &bih, sizeof(bih)) != sizeof(bih)) break;
16: nClrUsed =
17: (bih.biClrUsed) ? bih.biClrUsed : 1 bmiColors, nSize) != nSize) break;
25: if (_llseek(hFile, bfh.bfOffBits, 0) == HFILE_ERROR) break;
26: nSize = bfh.bfSize-bfh.bfOffBits;
27: if ((bits = GlobalAllocPtr(GHND, nSize)) == NULL) break;
28: if (_hread(hFile, bits, nSize) != nSize) break;
29: hDC = GetDC(hWnd);
30: hBitmap = CreateDIBitmap(hDC, &(lpbi->bmiHeader), CBM_INIT,
31: bits, lpbi, DIB_RGB_COLORS);
32: if (hBitmap) {
33: LPLOGPALETTE lppal;
34: DWORD nsize = sizeof(LOGPALETTE)
35: + (nClrUsed-1) * sizeof(PALETTEENTRY);
36: lppal = (LPLOGPALETTE) GlobalAllocPtr(GHND, nSize);
37: if (lppal) {
38: lppal->palVersion = 0x0300;
39: lppal->palNumEntries = (WORD) nClrUsed;
40: hmemcpy(lppal->palPalEntry, lpbi->bmiColors,
41: nClrUsed * sizeof(PALETTEENTRY));
42: hPal = CreatePalette(lppal);
43: (void) GlobalFreePtr(lppal);
44: }
45: }
46: } while(FALSE);
47: if (hFile != HFILE_ERROR) _lclose(hFile);
48: HPALETTE oldPal = SelectPalette(hDC, hPal, FALSE);
49: RealizePalette(hDC);
50: HDC hMemDC = CreateCompatibleDC(hDC);
51: HBITMAP oldBitmap =(HBITMAP)SelectObject(hMemDC, hBitmap);
52: BitBlt(hDC, 0, 0, (WORD)bih.biWidth, (WORD)bih.biHeight,
53: hMemDC, 0, 0, SRCCOPY);
54: SelectObject(hMemDC, oldBitmap);
55: DeleteDC(hMemDC);
56: SelectPalette(hDC, oldPal, FALSE);
57: ReleaseDC(hWnd, hDC);
58: if (bits) (void) GlobalFreePtr(bits);
59: if (lpbi) (void) GlobalFreePtr(lpbi);
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