38 static uint32_t extract(uint32_t v, int h, int l, int bits);
129         pixel->s[i] = f->c[i].h - f->c[i].l;  in read_pixel()
131             pixel->c[i] = extract(v,  f->c[i].h,  f->c[i].l, f->size*8);  in read_pixel()
188         const int l = f->c[i].l;  in write_pixel()  local
191             mask |= (((1<<(h-l))-1)<<l);  in write_pixel()
194             if (pixelSize < (h-l)) {  in write_pixel()
195                 u = expand(u, pixelSize, h-l);  in write_pixel()
196                 pixelSize = h-l;  in write_pixel()
198             v = downshift_component(v, u, pixelSize, 0, h, l, 0, 0, dither);  in write_pixel()
283 uint32_t extract(uint32_t v, int h, int l, int bits)  in extract()  argument
286 	if (l) {  in extract()
287 		v >>= l;  in extract()
290 		v &= (1<<(h-l))-1;  in extract()