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Annotation of 43BSD/contrib/X/CLUlib/vax/x_bitmap.clu, revision 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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