Professional GEM

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       PART - I.  Windows       ..................................    1
          IN THE BEGINNING      ..................................    1
             windcreate().........................................    1
             windget()............................................    1
          OPEN SESAME!       .....................................    3
             windopen()...........................................    3
             windget()............................................    3
             windcalc()...........................................    3
             windset()............................................    3
          CLEANING UP       ......................................    4
             windclose()..........................................    4
             winddelete().........................................    4
          THOSE FAT SLIDERS      .................................    4
             windset()............................................    5
             windset()............................................    5
             windget()............................................    5
          COMING UP NEXT      ....................................    6
          FEEDBACK        ........................................    6
       PART - II.  Windows       .................................    7
          EXCELSIOR        .......................................    7
          REDRAWING WINDOWS       ................................    7
          CAVEAT EMPTOR       ....................................    7
          INTO THE BITS      .....................................    8
          A SMALL CONFESSION      ................................    9
          WINDOW CONTROL REQUESTS      ...........................   10
             windset()............................................   10
             rcconstrain()........................................   10
             align()..............................................   10
             windset()............................................   12
          WINDOW SLIDER MESSAGES      ............................   12
             windset..............................................   12
          A COMMON BUG      ......................................   13
          DEPT. OF DIRTY TRICKS     ..............................   14
             windget()............................................   14
             windset()............................................   14
          A SIN OF OMISSION     ..................................   15
          COMING SOON       ......................................   15
       PART - III.  THE DIALOG HANDLER     .......................   16
          A MEANINGFUL DIALOG      ...............................   16
          DEFINING TERMS       ...................................   16
             rsrcload()...........................................   17
             rsrcgaddr()..........................................   17
          BUG ALERT!       .......................................   17
          A HANDY TRICK      .....................................   19
          CLEAN UP       .........................................   20
             deselobj()...........................................   20
          RECAP        ...........................................   20
          BUTTON BUTTON       ....................................   20
             selobj().............................................   21
          WHO'S GOT THE BUTTON?     ..............................   21
             selobj().............................................   22
          COMING UP NEXT      ....................................   22
          DISPELL GREMLINS       .................................   23
       PART - IV.  Resource Structure      .......................   24
          A MAZE OF TWISTY LITTLE PASSAGES.   ....................   24
          PUTTING IT TO WORK     .................................   28
          LETTERS WE GET LETTERS     .............................   30
          STRAW POLL!       ......................................   30
          STAY TUNED!       ......................................   30
       PART - V.  Resource Tree Structures     ...................   32
          HOW GEM DOES IT.     ...................................   34
          THOUGHT EXPERIMENTS       ..............................   36
          A TREEWALKER OF OUR OWN    .............................   37
       PART - VI.  Raster operations      ........................   39
          SEASONS GREETINGS       ................................   39
          DEFINING TERMS       ...................................   39
          MONOCHROME VS. COLOR      ..............................   39
          STANDARD VS. DEVICE-SPECIFIC FORMAT     ................   40
          EVEN-WORD VS. FRINGES      .............................   41
          MFDB's        ..........................................   41
          LET'S OPERATE       ....................................   42
          TRANSFORM FORM       ...................................   42
             vrtrnfm()............................................   42
          COPY RASTER OPAQUE      ................................   43
             vrocpyfm()...........................................   43
          COPY RASTER TRANSPARENT      ...........................   44
             vrtcpyfm()...........................................   44
          THE MODE PARAMETER      ................................   44
          REPLACE MODE       .....................................   45
          ERASE MODE       .......................................   45
          XOR MODE       .........................................   45
          TRANSPARENT MODE       .................................   45
          REVERSE TRANSPARENT MODE      ..........................   45
          THE PROBLEM OF COLOR     ...............................   45
          OPTIMIZING RASTER OPERATIONS      ......................   46
          AVOID MERGED COPIES      ...............................   46
          MOVE TO CORRESPONDING PIXELS     .......................   46
          AVOID FRINGES       ....................................   47
          USE ANOTHER METHOD      ................................   47
          FEEDBACK RESULTS       .................................   47
          THE NEXT QUESTION      .................................   47
          COMING UP SOON      ....................................   48
       PART - VII.  Menu Structures      .........................   49
          HAPPY NEW YEAR      ....................................   49
          MENU BASICS       ......................................   49
          MENU STRUCTURES       ..................................   49
          USING THE MENU      ....................................   51
             rsrcgaddr()..........................................   51
             menubar()............................................   51
             menutnormal()........................................   52
          GETTING FANCY       ....................................   52
             menuienable()........................................   52
             setmenu()............................................   53
          CHECK PLEASE?       ....................................   53
             menuicheck().........................................   53
          NOW YOU SEE IT NOW YOU DON'T  ..........................   53
             menutext()...........................................   54
          LUNCH AND DINNER MENUS     .............................   54
          DO IT YOURSELF      ....................................   54
          MAKE PRETTY       ......................................   55
          THAT'S IT FOR NOW!     .................................   56
       PART - VIII.  USER INTERFACES      ........................   57
          AND NOW FOR SOMETHING COMPLETELY DIFFERENT!   ..........   57
          CREDIT WHERE IT'S DUE     ..............................   57
          FINGERTIPS        ......................................   57
          MUSCLES        .........................................   58
          EYES        ............................................   59
          SHORT-TERM MEMORY       ................................   60
          CHUNKING        ........................................   60
          THINK!        ..........................................   61
          ARE WE NOT MEN?     ....................................   61
          OF MODES AND BANDWIDTH     .............................   65
          TO DO IS TO BE!    .....................................   66
          AMEN...        .........................................   66
       PART - IX.  VDI Graphics: Lines and Solids   ..............   68
          A BIT OF HISTORY     ...................................   68
             vswrmode()...........................................   69
             vsclip().............................................   69
          THE LINE FORMS ON THE LEFT   ...........................   70
             vslcolor()...........................................   70
             vslwidth()...........................................   70
             vslends()............................................   70
             vsltype()............................................   70
             vsludsty()...........................................   71
             vpline().............................................   71
             vrbox()..............................................   72
             varc()...............................................   72
             vellarc()............................................   73
          SOLIDS        ..........................................   73
             vsfcolor()...........................................   74
             vsfperimeter().......................................   74
             vsfinterior()........................................   74
             vsfstyle()...........................................   74
             vsfudpat()...........................................   75
             vfillarea()..........................................   75
             vrrecfl()............................................   75
             vcircle()............................................   76
             vellipse()...........................................   76
             vpieslice()..........................................   76
             vellpie()............................................   76
             vrfbox().............................................   76
          TO BE CONTINUED      ...................................   76
       APPENDICES.................................................   77
          Appendix - I Sample Code for Part II....................   78
          Appendix - II Sample Code for Part III..................   83
          Appendix - III Sample Code for Part IV..................   88
          Appendix - IV Sample Code for Part V....................   98
          Appendix - V Sample Code for Part VI....................  103
          Appendix - VI Sample Code for Part VII..................  108
          Appendix - VII Sample Code for Part IX..................  112
          Appendix - VIII Sample Code for Part X..................  114