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Annotation of 43BSD/contrib/X/CLUlib/sun/x_pixmap.clu, revision 1.1

1.1     ! root        1: % Copyright    Barbara Liskov    1985, 1986
        !             2: 
        !             3: x_pixmap = cluster is none, create, create_xy, create_z, tile, destroy, shape,
        !             4:                      get_id, equal, similar, copy
        !             5: 
        !             6: rep = int
        !             7: 
        !             8: none = proc () returns (cvt)
        !             9:     return(0)
        !            10:     end none
        !            11: 
        !            12: create = proc (mask: x_bitmap, fore, back: int) returns (cvt)
        !            13:           signals (error(string))
        !            14:     x_buf$setup(x_makepixmap, 0, 0, 0)
        !            15:     x_buf$set_l0s23(b2i(mask), fore, back)
        !            16:     x_buf$receive()
        !            17:        resignal error
        !            18:     return(x_buf$get_lp0())
        !            19:     end create
        !            20: 
        !            21: create_xy = proc (width, height: int, bits: _wordvec) returns (cvt)
        !            22:              signals (error(string))
        !            23:     x_buf$setup(x_storepixmap, XYFormat, 0, 0)
        !            24:     x_buf$set_s01(height, width)
        !            25:     x_buf$send_data(w2b(bits), 1,
        !            26:                    ((width + 15) / 16) * height * 2 * x_display$planes())
        !            27:     x_buf$receive()
        !            28:        resignal error
        !            29:     return(x_buf$get_lp0())
        !            30:     end create_xy
        !            31: 
        !            32: create_z = proc (width, height: int, bits: _wordvec) returns (cvt)
        !            33:             signals (error(string))
        !            34:     x_buf$setup(x_storepixmap, ZFormat, 0, 0)
        !            35:     x_buf$set_s01(height, width)
        !            36:     z: int := width * height
        !            37:     if x_display$planes() > 8
        !            38:        then z := z + z end
        !            39:     x_buf$send_data(w2b(bits), 1, z)
        !            40:     x_buf$receive()
        !            41:        resignal error
        !            42:     return(x_buf$get_lp0())
        !            43:     end create_z
        !            44: 
        !            45: tile = proc (pixel: int) returns (cvt) signals (error(string))
        !            46:     x_buf$setup(x_makepixmap, 0, 0, 0)
        !            47:     x_buf$set_l0s23(0, pixel, 0)
        !            48:     x_buf$receive()
        !            49:        resignal error
        !            50:     return(x_buf$get_lp0())
        !            51:     end tile
        !            52: 
        !            53: destroy = proc (pix: cvt)
        !            54:     x_buf$setup(x_freepixmap, 0, 0, 0)
        !            55:     x_buf$set_l0(pix)
        !            56:     end destroy
        !            57: 
        !            58: shape = proc (width, height: int) returns (int, int) signals (error(string))
        !            59:     x_buf$setup(x_queryshape, TileShape, 0, 0)
        !            60:     x_buf$set_s01(height, width)
        !            61:     x_buf$receive()
        !            62:        resignal error
        !            63:     return(x_buf$get_sp1(), x_buf$get_sp0())
        !            64:     end shape
        !            65: 
        !            66: get_id = proc (pix: cvt) returns (int)
        !            67:     return(pix)
        !            68:     end get_id
        !            69: 
        !            70: equal = proc (pix1, pix2: cvt) returns (bool)
        !            71:     return(pix1 = pix2)
        !            72:     end equal
        !            73: 
        !            74: similar = proc (pix1, pix2: cvt) returns (bool)
        !            75:     return(pix1 = pix2)
        !            76:     end similar
        !            77: 
        !            78: copy = proc (pix: cvt) returns (cvt)
        !            79:     return(pix)
        !            80:     end copy
        !            81: 
        !            82: end x_pixmap

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