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Annotation of 43BSDTahoe/new/X/CLUlib/vax/x_bitmap.clu, revision 1.1.1.1

1.1       root        1: % Copyright    Barbara Liskov    1985
                      2: 
                      3: x_bitmap = cluster is none, create, destroy, c2b, get_id, equal, similar, copy
                      4: 
                      5: rep = int
                      6: 
                      7: none = proc () returns (cvt)
                      8:     return(0)
                      9:     end none
                     10: 
                     11: create = proc (width, height: int, bits: _wordvec) returns (cvt)
                     12:           signals (error(string))
                     13:     or: oreq, er: ereq := x_buf$get()
                     14:     er.code := x_storebitmap
                     15:     er.s0 := height
                     16:     or.s1 := width
                     17:     x_buf$send_data(w2b(bits), 1, ((width + 15) / 16) * height * 2)
                     18:     x_buf$receive()
                     19:        resignal error
                     20:     return(x_buf$get_lp0())
                     21:     end create
                     22: 
                     23: destroy = proc (bit: cvt)
                     24:     or: oreq, er: ereq := x_buf$get()
                     25:     er.code := x_freebitmap
                     26:     lr(er).l0 := bit
                     27:     end destroy
                     28: 
                     29: c2b = proc (font: x_font, c: char) returns (cvt) signals (error(string))
                     30:     or: oreq, er: ereq := x_buf$get()
                     31:     er.code := x_charbitmap
                     32:     lr(er).l0 := f2i(font)
                     33:     er.s2 := char$c2i(c)
                     34:     x_buf$receive()
                     35:        resignal error
                     36:     return(x_buf$get_lp0())
                     37:     end c2b
                     38: 
                     39: get_id = proc (bit: cvt) returns (int)
                     40:     return(bit)
                     41:     end get_id
                     42: 
                     43: equal = proc (bit1, bit2: cvt) returns (bool)
                     44:     return(bit1 = bit2)
                     45:     end equal
                     46: 
                     47: similar = proc (bit1, bit2: cvt) returns (bool)
                     48:     return(bit1 = bit2)
                     49:     end similar
                     50: 
                     51: copy = proc (bit: cvt) returns (cvt)
                     52:     return(bit)
                     53:     end copy
                     54: 
                     55: end x_bitmap

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