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Annotation of 43BSD/contrib/icon/man/cat2/gpack.2, revision 1.1

1.1     ! root        1: 
        !             2: 
        !             3: 
        !             4: GPACK(2)              Icon Program Library               GPACK(2)
        !             5: 
        !             6: 
        !             7: 
        !             8: NNNNAAAAMMMMEEEE
        !             9:      gpack - graphics package for the Chromatics CG 3999
        !            10: 
        !            11: SSSSYYYYNNNNOOOOPPPPSSSSIIIISSSS
        !            12:      bbbbcccckkkkggggrrrrnnnndddd((((ccccoooollllrrrr))))    set background color
        !            13:      ____cccchhhhaaaarrrr(((())))          switch to character mode
        !            14:      cccclllliiiipppp((((mmmmooooddddeeee))))       turn clip mode OOOONNNN/OOOOFFFFFFFF
        !            15:      cccclllliiiippppppppeeeedddd((((oooobbbbjjjjeeeecccctttt))))  clip an object to window size (internal)
        !            16:      ccccoooolllloooorrrr((((ccccoooollllrrrr))))      set foreground color
        !            17:      ccccuuuurrrrccccoooollll((((ccccoooollllrrrr))))     set cursor color
        !            18:      ddddrrrraaaawwww((((oooobbbbjjjjeeeecccctttt))))     display object
        !            19:      eeeennnnaaaabbbblllleeee((((ccccoooollllrrrr))))     enable particular color guns
        !            20:      eeeerrrraaaasssseeee(((())))          clear the screen
        !            21:      ____ffffiiiillllllll(((())))          turn on fill mode
        !            22:      ggggiiiinnnniiiitttt(((())))          initialize graphics package
        !            23:      mmmmooooddddeeee((((nnnneeeewwwwmmmmooooddddeeee))))    set plot submode (internal)
        !            24:      mmmmoooovvvvccccuuuurrrr((((xxxx,,,,yyyy))))      position cursor (internal)
        !            25:      ____nnnnooooffffiiiillllllll(((())))        turn off fill mode
        !            26:      ____nnnnoooorrrroooollllllll(((())))        turn off roll mode
        !            27:      ____nnnnuuuummmmbbbbeeeerrrr((((nnnn))))       output number (nnnn) (internal)
        !            28:      ____ppppllllooootttt(((())))          switch to plot mode
        !            29:      ____ppppooooiiiinnnntttt((((xxxx,,,,yyyy))))      output point (xxxx,yyyy) (internal)
        !            30:      ____rrrreeeessssttttoooorrrreeee(((())))       reset terminal windows
        !            31:      ____rrrroooollllllll(((())))          turn on roll mode
        !            32:      sssseeeettttssssccccaaaalllleeee((((xxxxmmmmiiiinnnn,,,,yyyymmmmiiiinnnn,,,,xxxxmmmmaaaaxxxx,,,,yyyymmmmaaaaxxxx,,,,ccccoooollllmmmmiiiinnnn,,,,rrrroooowwwwmmmmiiiinnnn,,,,ccccoooollllmmmmaaaaxxxx,,,,rrrroooowwwwmmmmaaaaxxxx))))
        !            33:                       scaling
        !            34:      ssssccccaaaalllleeee((((pppptttt))))        scale a point
        !            35:      ____ssssccccaaaalllleeee((((mmmmooooddddeeee))))     turn OOOONNNN/OOOOFFFFFFFF scaling
        !            36:      tttteeeexxxxtttt((((xxxx,,,,yyyy,,,,ssss))))      output string ssss at point (xxxx,yyyy)
        !            37:      wwwwiiiinnnnddddoooowwww((((wwww))))        switch to window wwww (1 to 4)
        !            38:      wwwwssssiiiizzzzeeee((((xxxxmmmmiiiinnnn,,,,yyyymmmmiiiinnnn,,,,xxxxmmmmaaaaxxxx,,,,yyyymmmmaaaaxxxx))))
        !            39:                       set window size
        !            40:      xxxxffffiiiitttt((((xxxx))))          scale x-coordinate (internal)
        !            41:      ____xxxxyyyyddddeeeellll((((xxxxddddeeeellllttttaaaa,,,,yyyyddddeeeellllttttaaaa))))output incremental motion (internal)
        !            42:      yyyyffffiiiitttt((((yyyy))))          scale y-coordinate (internal)
        !            43: 
        !            44:      _G_p_a_c_k is a package designed to interface to the Chromatics
        !            45:      CG 3999 Color Graphics Terminal.  The user must be familiar
        !            46:      with the Chromatics terminal and its capabilities.  _G_p_a_c_k
        !            47:      maintains information on the state of each hardware window
        !            48:      and avoids the transmission of redundant commands.  The fol-
        !            49:      lowing objects, defined as records, are known to _g_p_a_c_k:
        !            50: 
        !            51:           ppppooooiiiinnnntttt((((xxxx,,,,yyyy))))
        !            52:           ddddooootttt((((xxxx,,,,yyyy))))
        !            53:           lllliiiinnnneeee((((aaaa,,,,bbbb))))
        !            54:           bbbbooooxxxx((((aaaa,,,,bbbb))))
        !            55:           cccciiiirrrrcccclllleeee((((cccceeeennnntttteeeerrrr,,,,rrrraaaaddddiiiiuuuussss))))
        !            56:           aaaarrrrcccc((((cccceeeennnntttteeeerrrr,,,,rrrraaaaddddiiiiuuuussss,,,,ssssttttaaaarrrrtttt,,,,ssssttttoooopppp))))
        !            57:           ppppooooiiiinnnnttttssss((((ppppttttssss))))      a collection of points.
        !            58:           lllliiiinnnneeeessss((((ppppttttssss))))       a collection of points, joined by vectors
        !            59:           ppppoooollllyyyyggggoooonnnn((((ppppttttssss))))     a collection of points, joined and closed by vectors
        !            60: 
        !            61: 
        !            62: 
        !            63: Version 5.9    The University of Arizona - 8/12/84              1
        !            64: 
        !            65: 
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        !            68: 
        !            69: 
        !            70: GPACK(2)              Icon Program Library               GPACK(2)
        !            71: 
        !            72: 
        !            73: 
        !            74:           iiiinnnnccccddddoooottttssss((((ssssttttaaaarrrrtttt,,,,mmmmoooottttiiiioooonnnnssss))))start point and list of motions
        !            75:           mmmmoooottttiiiioooonnnn((((xxxxddddeeeellll,,,,yyyyddddeeeellll))))an incremental motion
        !            76: 
        !            77:      The procedure ddddrrrraaaawwww can display any of these objects, with or
        !            78:      without scaling.  Additionally, ddddrrrraaaawwww accepts a co-expression
        !            79:      that generates these objects.
        !            80: 
        !            81:      Two record types are used internally:
        !            82: 
        !            83:      wwwwiiiinnnndddd((((ppppmmmmooooddddeeee,,,,ssssmmmmooooddddeeee,,,,ccccmmmmooooddddeeee,,,,ffffmmmmooooddddeeee,,,,rrrrmmmmooooddddeeee,,,,ppppssssuuuubbbbmmmmooooddddeeee,,,,ffffcccc,,,,bbbbcccc,,,,lllloooowwwweeeerrrrlllleeeefffftttt,,,,uuuuppppppppeeeerrrrrrrriiiigggghhhhtttt))))
        !            84:      ssssccccaaaalllliiiinnnngggg((((xxxxssssllllooooppppeeee,,,,xxxxiiiinnnntttteeeerrrr,,,,yyyyssssllllooooppppeeee,,,,yyyyiiiinnnntttteeeerrrr))))
        !            85: 
        !            86:      where
        !            87: 
        !            88:      ppppmmmmooooddddeeee is OOOONNNN if window is in plot mode.
        !            89:      ssssmmmmooooddddeeee is OOOONNNN if scaling is active.
        !            90:      ccccmmmmooooddddeeee is OOOONNNN if clipping is active.
        !            91:      ffffmmmmooooddddeeee is OOOONNNN if fill is active.
        !            92:      rrrrmmmmooooddddeeee is OOOONNNN if roll is active.
        !            93:      ppppssssuuuubbbbmmmmooooddddeeee is the plot submode.
        !            94:      ffffcccc is the foreground color.
        !            95:      bbbbcccc is the background color.
        !            96:      lllloooowwwweeeerrrrlllleeeefffftttt,,,, uuuuppppppppeeeerrrrrrrriiiigggghhhhtttt are the window bounds.
        !            97:      xxxxssssllllooooppppeeee,,,, xxxxiiiinnnntttteeeerrrr are the x-coordinate scaling constants
        !            98:      yyyyssssllllooooppppeeee,,,, yyyyiiiinnnntttteeeerrrr are the y-coordinate scaling constants
        !            99: 
        !           100:      The defaults for all windows are:
        !           101: 
        !           102:      wwwwiiiinnnndddd((((OOOOFFFFFFFF,,,,OOOOFFFFFFFF,,,,OOOOFFFFFFFF,,,,OOOOFFFFFFFF,,,,OOOONNNN,,,,"""""""",,,,NNNNOOOOCCCCOOOOLLLLOOOORRRR,,,,NNNNOOOOCCCCOOOOLLLLOOOORRRR,,,,ppppooooiiiinnnntttt((((0000,,,,0000)))),,,,ppppooooiiiinnnntttt((((XXXXMMMMAAAAXXXX,,,,YYYYMMMMAAAAXXXX))))))))
        !           103:      ssssccccaaaalllliiiinnnngggg((((1111,,,,0000,,,,1111,,,,0000))))
        !           104: 
        !           105: 
        !           106:      The following values are predefined globals, and should not
        !           107:      be reassigned:
        !           108:      MMMMOOOODDDDEEEE,,,, EEEESSSSCCCC      used internally
        !           109:      OOOONNNN,,,, OOOOFFFFFFFF        mode settings
        !           110:      XXXXMMMMAAAAXXXX,,,, YYYYMMMMAAAAXXXX     maximum screen addresses
        !           111:      DDDDOOOOTTTT,,,,VVVVEEEECCCCTTTTOOOORRRR,,,,RRRREEEECCCCTTTTAAAANNNNGGGGLLLLEEEE,,,,CCCCIIIIRRRRCCCCLLLLEEEE,,,,AAAARRRRCCCC,,,,CCCCOOOONNNNCCCCVVVVEEEECCCCTTTT,,,,IIIINNNNCCCCDDDDOOOOTTTT
        !           112:                     plot submodes
        !           113:      BBBBLLLLAAAACCCCKKKK,,,,BBBBLLLLUUUUEEEE,,,,GGGGRRRREEEEEEEENNNN,,,,CCCCYYYYAAAANNNN,,,,RRRREEEEDDDD,,,,MMMMAAAAGGGGEEEENNNNTTTTAAAA,,,,YYYYEEEELLLLLLLLOOOOWWWW,,,,WWWWHHHHIIIITTTTEEEE,,,,BBBBLLLLIIIINNNNKKKK
        !           114:                     colors
        !           115: 
        !           116:      The following globals are used internally:
        !           117:      ____wwwwnnnnoooo           current window (1 to 4), initially 1
        !           118:      wwwwiiiinnnnddddoooowwww         list of window attributes
        !           119:      wwwwssssccccaaaalllleeee         list of window scaling factors
        !           120: 
        !           121:      The procedure _g_i_n_i_t() must be called to initialize global
        !           122:      constants and set window attributes at the start of any pro-
        !           123:      gram using _g_p_a_c_k.  Procedures that are marked `internal' are
        !           124:      intended primarily for internal use by _g_p_a_c_k.  Some pro-
        !           125:      cedures are generators that reverse their effects.
        !           126: 
        !           127: 
        !           128: 
        !           129: Version 5.9    The University of Arizona - 8/12/84              2
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        !           135: 
        !           136: GPACK(2)              Icon Program Library               GPACK(2)
        !           137: 
        !           138: 
        !           139: 
        !           140: SSSSEEEEEEEE AAAALLLLSSSSOOOO
        !           141:      worm(6)
        !           142: 
        !           143: DDDDEEEEFFFFIIIICCCCIIIIEEEENNNNCCCCIIIIEEEESSSS
        !           144:      Object clipping has not been implemented.  rrrraaaaddddiiiiuuuussss is not
        !           145:      scaled for cccciiiirrrrcccclllleeee and aaaarrrrcccc.
        !           146: 
        !           147: AAAAUUUUTTTTHHHHOOOORRRR
        !           148:      Stephen B. Wampler
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        !           195: Version 5.9    The University of Arizona - 8/12/84              3
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