//************************************************************************
BOOL CDib::LoadFromFile(LPCSTR lpFileName, BOOL fDecodeRLE)
//************************************************************************
{
FNAME szExpFileName;
if ( !FindContent( (LPSTR)lpFileName, szExpFileName ) )
return(FALSE);
HFILE fh;
OFSTRUCT of;
if ( (fh = OpenFile(szExpFileName, &of, OF_READ)) < 0 )
return(FALSE);
if ( !(ReadBitmapInfo(fh)) )
return FALSE;
// Can we get enough memory to hold the DIB bits
DWORD dwBits;
if ( !(m_lp = AllocX( dwBits = GetSizeImage(), GMEM_ZEROINIT )) )
{
_lclose(fh);
return( FALSE );
}
// read in the bits
_hread( fh, m_lp, dwBits );
_lclose( fh );
return(CheckDecodeRLE(fDecodeRLE));
}
HBITMAP ReadBitmapFile( HWND hwnd, char *file_name )
{
FILE *fp;
BITMAPFILEHEADER file_header;
BITMAPINFOHEADER *h; /* to avoid typeing bitmap_info->... */
BITMAPINFO *bitmap_info;
DWORD size; /* generic size - used repeatedly */
BYTE _HUGE *mask_ptr; /* pointer to bit array in memory */
HBITMAP bitmap_handle;
HDC hdc;
HPALETTE new_palette, old_palette;
bitmap_handle = (HBITMAP)0;
fp = fopen( file_name, "rb" );
if( fp == NULL ) return( bitmap_handle );
fread( &file_header, sizeof( BITMAPFILEHEADER ), 1, fp );
if( file_header.bfType != BITMAP_TYPE ) {
fclose( fp );
return( bitmap_handle );
}
bitmap_info = ReadBitmapInfo( fp );
if( bitmap_info != NULL ) {
h = &bitmap_info->bmiHeader;
fseek( fp, file_header.bfOffBits, SEEK_SET );
size = BITS_TO_BYTES( h->biWidth * h->biBitCount, h->biHeight );
#ifdef __NT__
mask_ptr = malloc( size );
memset( mask_ptr, 0, size );
#else
mask_ptr = _halloc( size, 1 );
#endif
if( mask_ptr != NULL ) {
ReadInPieces( mask_ptr, fp, size );
new_palette = CreateDIBPalette( bitmap_info );
if( new_palette ) {
hdc = GetDC( hwnd );
old_palette = SelectPalette( hdc, new_palette, FALSE );
RealizePalette( hdc );
bitmap_handle = CreateDIBitmap( hdc, h, CBM_INIT,
mask_ptr, bitmap_info, DIB_RGB_COLORS );
SelectPalette( hdc, old_palette, FALSE );
DeleteObject( new_palette );
ReleaseDC( hwnd, hdc );
}
#ifdef __NT__
free( mask_ptr );
#else
_hfree( mask_ptr );
#endif
}
free( bitmap_info );
}
fclose( fp );
return( bitmap_handle );
} /* ReadBitmapFile */
