Function MyAllocBitMap

sys/amiga/winchar.c:286–313

};

struct BitMap *
MyAllocBitMap(int xsize, int ysize, int depth, long mflags)
{
    int j;
    struct MyBitMap *bm;

    bm = (struct MyBitMap *) alloc(sizeof(*bm));
    if (!bm)
        return (NULL);

    bm->xsize = xsize;
    bm->ysize = ysize;
    InitBitMap(&bm->bm, depth, xsize, ysize);
    for (j = 0; j < depth; ++j) {
        if (mflags & MEMF_CHIP)
            bm->bm.Planes[j] = AllocRaster(xsize, ysize);
        else
            bm->bm.Planes[j] = AllocMem(RASSIZE(xsize, ysize), mflags);

        if (bm->bm.Planes[j] == 0) {
            MyFreeBitMap(&bm->bm);
            return (NULL);
        }
        if (mflags & MEMF_CLEAR)
            memset(bm->bm.Planes[j], 0, RASSIZE(xsize, ysize));
    }
    return (&bm->bm);
}

void
MyFreeBitMap(struct BitMap *bmp)