1*7dd7cddfSDavid du Colombier #include "../lib9.h" 2*7dd7cddfSDavid du Colombier 3*7dd7cddfSDavid du Colombier #include "../libdraw/draw.h" 4*7dd7cddfSDavid du Colombier #include "../libmemdraw/memdraw.h" 5*7dd7cddfSDavid du Colombier 6*7dd7cddfSDavid du Colombier Memsubfont* 7*7dd7cddfSDavid du Colombier getmemdefont(void) 8*7dd7cddfSDavid du Colombier { 9*7dd7cddfSDavid du Colombier char *hdr, *p; 10*7dd7cddfSDavid du Colombier int n; 11*7dd7cddfSDavid du Colombier Fontchar *fc; 12*7dd7cddfSDavid du Colombier Memsubfont *f; 13*7dd7cddfSDavid du Colombier int ld; 14*7dd7cddfSDavid du Colombier Rectangle r; 15*7dd7cddfSDavid du Colombier Memimage *i; 16*7dd7cddfSDavid du Colombier 17*7dd7cddfSDavid du Colombier /* 18*7dd7cddfSDavid du Colombier * make sure data is word-aligned. this is true with Plan 9 compilers 19*7dd7cddfSDavid du Colombier * but not in general. the byte order is right because the data is 20*7dd7cddfSDavid du Colombier * declared as char*, not ulong*. 21*7dd7cddfSDavid du Colombier */ 22*7dd7cddfSDavid du Colombier p = (char*)defontdata; 23*7dd7cddfSDavid du Colombier n = (ulong)p & 3; 24*7dd7cddfSDavid du Colombier if(n != 0){ 25*7dd7cddfSDavid du Colombier memmove(p+(4-n), p, sizeofdefont-n); 26*7dd7cddfSDavid du Colombier p += 4-n; 27*7dd7cddfSDavid du Colombier } 28*7dd7cddfSDavid du Colombier ld = atoi(p+0*12); 29*7dd7cddfSDavid du Colombier r.min.x = atoi(p+1*12); 30*7dd7cddfSDavid du Colombier r.min.y = atoi(p+2*12); 31*7dd7cddfSDavid du Colombier r.max.x = atoi(p+3*12); 32*7dd7cddfSDavid du Colombier r.max.y = atoi(p+4*12); 33*7dd7cddfSDavid du Colombier 34*7dd7cddfSDavid du Colombier p += 5*12; 35*7dd7cddfSDavid du Colombier 36*7dd7cddfSDavid du Colombier i = allocmemimage(r, drawld2chan[ld]); 37*7dd7cddfSDavid du Colombier if(i == nil) 38*7dd7cddfSDavid du Colombier return nil; 39*7dd7cddfSDavid du Colombier 40*7dd7cddfSDavid du Colombier loadmemimage(i, i->r, (uchar*)p, Dy(r)*i->width*sizeof(ulong)); 41*7dd7cddfSDavid du Colombier 42*7dd7cddfSDavid du Colombier hdr = p+Dy(r)*i->width*sizeof(ulong); 43*7dd7cddfSDavid du Colombier n = atoi(hdr); 44*7dd7cddfSDavid du Colombier p = hdr+3*12; 45*7dd7cddfSDavid du Colombier fc = malloc(sizeof(Fontchar)*(n+1)); 46*7dd7cddfSDavid du Colombier if(fc == 0){ 47*7dd7cddfSDavid du Colombier freememimage(i); 48*7dd7cddfSDavid du Colombier return 0; 49*7dd7cddfSDavid du Colombier } 50*7dd7cddfSDavid du Colombier _unpackinfo(fc, (uchar*)p, n); 51*7dd7cddfSDavid du Colombier f = allocmemsubfont("*default*", n, atoi(hdr+12), atoi(hdr+24), fc, i); 52*7dd7cddfSDavid du Colombier if(f == 0){ 53*7dd7cddfSDavid du Colombier freememimage(i); 54*7dd7cddfSDavid du Colombier free(fc); 55*7dd7cddfSDavid du Colombier return 0; 56*7dd7cddfSDavid du Colombier } 57*7dd7cddfSDavid du Colombier return f; 58*7dd7cddfSDavid du Colombier } 59