/*
* readCoreInfo - read BITMAPCOREINFO structure from a bitmap file
*/
static BITMAPCOREINFO *readCoreInfo( FILE *fp )
{
BITMAPCOREINFO *bm_core;
BITMAPCOREHEADER *header;
long bitmap_size;
header = MemAlloc( sizeof( BITMAPCOREHEADER ) );
if( header == NULL ) {
return( NULL );
}
fseek( fp, START_OF_HEADER, SEEK_SET );
fread( header, sizeof( BITMAPCOREHEADER ), 1, fp );
fseek( fp, START_OF_HEADER, SEEK_SET );
bitmap_size = CORE_INFO_SIZE( header->bcBitCount );
bm_core = MemReAlloc( header, bitmap_size );
if( bm_core == NULL ) {
return( NULL );
}
fread( bm_core, bitmap_size, 1, fp );
return( bm_core );
} /* readCoreInfo */
bool WRAPI WRAddBitmapFileHeader( BYTE **data, size_t *size )
{
BITMAPFILEHEADER *bmfh;
BITMAPINFO *bmi;
BITMAPCOREINFO *bmci;
int hsize;
bool is_core;
if( data == NULL || size == NULL ) {
return( false );
}
is_core = ( *(DWORD *)*data == sizeof( BITMAPCOREHEADER ) );
hsize = sizeof( BITMAPFILEHEADER );
*data = MemRealloc( *data, *size + hsize );
if( *data == NULL ) {
return( false );
}
memmove( *data + hsize, *data, *size );
memset( *data, 0, hsize );
*size += hsize;
bmfh = (BITMAPFILEHEADER *)*data;
bmfh->bfType = BITMAP_TYPE;
bmfh->bfSize = *size;
bmfh->bfOffBits = hsize;
if( is_core ) {
bmci = (BITMAPCOREINFO *)( *data + hsize );
bmfh->bfOffBits += CORE_INFO_SIZE( bmci->bmciHeader.bcBitCount );
} else {
bmi = (BITMAPINFO *)( *data + hsize );
bmfh->bfOffBits += DIB_INFO_SIZE( bmi->bmiHeader.biBitCount );
}
return( true );
}
static BITMAPCOREINFO *WRReadCoreInfo( BYTE **data )
{
BITMAPCOREINFO *bm_core;
BITMAPCOREHEADER *header;
long bitmap_size;
int pos;
if( data == NULL || *data == NULL ) {
return( NULL );
}
pos = START_OF_HEADER;
header = (BITMAPCOREHEADER *)( *data + pos );
bitmap_size = CORE_INFO_SIZE( header->bcBitCount );
bm_core = MemAlloc( bitmap_size );
if( bm_core == NULL ) {
return( NULL );
}
memcpy( bm_core, *data + pos, bitmap_size );
*data += pos + bitmap_size;
return( bm_core );
}
