Listing 1.  CanDoMJ Deck



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* Deck "CanDoMJ"
* Time 15:36:09
* Date 03/05/94
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* Card(s) in deck.
*  Card "MJPlotPic"
*  Card "MJSettings"
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* 2 Card(s), 2 were printed.
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* Natural order of Cards
*  Card "MJSettings"
*  Card "MJPlotPic"
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* There are no Global routines in this deck.
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* Card "MJPlotPic"
  AfterAttachment ; used to be AfterStartup
    Nop ;Draw picture using CanDo code
    If Arg1="GO"
      SetDrawMode JAM2 
      Let SR=(HR-LR)*Resolution/(WindowWidth-1)
      Let SI=(HI-LI)*Resolution/(WindowHeight-1)
      Let HC=WindowColors-1
      Let LC=0
      Nop ;Begin iterations
      Let X=0
      Let Y=0
      Let R=LR
      Let I=HI
      Nop ;Plot Mandelbrot set
      If PlotType="M"
        While Y<WindowHeight
          While X<WindowWidth
            Let LoopR=0
            Let LoopI=0
            Let Count=0
            Loop
              Let Temp=LoopR*LoopR-LoopI*LoopI+R
              Let LoopI=2*LoopR*LoopI+I
              Let LoopR=Temp
              If (LoopR*LoopR+LoopI*LoopI)>4.0
                ExitLoop
              EndIf
              Let Count=Count+1
            Until Count>=MaxDwell
            SetPen Count
            If Resolution=1
              DrawPixel X,Y
            Else
              AreaRectangle X,Y,Resolution,Resolution
            EndIf
            Let X=X+Resolution
            Let R=R+SR
          EndLoop
          Let X=0
          Let R=LR
          Let Y=Y+Resolution
          Let I=I-SI
        EndLoop
        Nop ;Plot Julia set
      ElseIf PlotType="J"
        While Y<WindowHeight
          While X<WindowWidth
            Let LoopR=R
            Let LoopI=I
            Let Count=0
            Loop
              If (LoopR*LoopR+LoopI*LoopI)>4.0
                ExitLoop
              EndIf
              Let Count=Count+1
              Let Temp=LoopR*LoopR-LoopI*LoopI+JR
              Let LoopI=2*LoopR*LoopI+JI
              Let LoopR=Temp
            Until Count>=MaxDwell
            SetPen Count
            If Resolution=1
              DrawPixel X,Y
            Else
              AreaRectangle X,Y,Resolution,Resolution
            EndIf
            Let X=X+Resolution
            Let R=R+SR
          EndLoop
          Let X=0
          Let R=LR
          Let Y=Y+Resolution
          Let I=I-SI
        EndLoop
      EndIf
      Nop ;Draw picture using C code
    ElseIf Arg1="GOC"
      Let Command="RCF:C_Progs/CanDoMJC/CanDoMJC "
      Let Command=Command||WindowAddress||" "
      Let Command=Command||MaxDwell||" "
      Let Command=Command||Resolution||" "
      Let Command=Command||LR||" "||HR||" "||LI||" "||HI||" "
      Let Command=Command||PlotType||" "
      Let Command=Command||JR||" "||JI
      Dos Command
    ElseIf Arg1="SEE"
      LoadPicture "ram:CanDoMJPic","MJPic"
      ShowPicture "MJPic"
    EndIf
  EndScript
  Window "UserWindow"
    Definition
      Origin 0,0
      Size 320,200
      Title ""
      NumberOfColors 32,69632
      WindowColors 0,1,0 ; Detail, Block, Background
      WindowObjects NONE 
      WindowFlags ACTIVATE BORDERLESS SEPARATESCREEN TOFRONT 
    EndScript
    OnCloseButton
      Quit
    EndScript
  EndObject
  AreaButton "NewRange"
    Definition
      Origin 0,0
      Size 320,200
      Border NONE ,2,1 ; BorderStyle, MainPen, ExtraPen
      Highlight NONE 
      ButtonFlags NONE 
    EndScript
    OnClick
      Let BeginX=MouseX
      Let BeginY=MouseY
      Let CurrW=0
      Let CurrH=0
      SetDrawMode COMPLEMENT 
      DrawRectangle BeginX,BeginY,CurrW,CurrH
    EndScript
    OnDrag
      If MouseX<>(CurrW+BeginX) or MouseY<>(CurrH+BeginY)
        DrawRectangle BeginX,BeginY,CurrW,CurrH
        Let CurrW=MouseX-BeginX
        Let CurrH=MouseY-BeginY
        DrawRectangle BeginX,BeginY,CurrW,CurrH
      EndIf
    EndScript
    OnRelease
      DrawRectangle BeginX,BeginY,CurrW,CurrH
      Let Temp=LR+(HR-LR)*BeginX/(WindowWidth-1)
      Let HR=LR+(HR-LR)*(BeginX+CurrW)/(WindowWidth-1)
      Let LR=Temp
      Let Temp=HI-(HI-LI)*(BeginY+CurrH)/(WindowHeight-1)
      Let HI=HI-(HI-LI)*BeginY/(WindowHeight-1)
      Let LI=Temp
      ClipPicture "MJPic"
      SavePicture "MJPic","ram:CanDoMJPic"
      GotoCard "MJSettings","Reset"
    EndScript
  EndObject
  TextMenu "SavePic"
    Definition
      AttachTo MENU ,"Options"
      Font "topaz",8 ; FontName, PointSize
      PrintStyle PLAIN ,2,3 ; Style, Pen1, Pen2
      TextColors 0,1,NORMAL  ; PenA, PenB, DrawMode
      Text " Save Picture "
      MenuFlags NONE 
      Highlight COMPLEMENT 
      ShortCutKey "S"
    EndScript
    Occurred
      Let FNNew=AskForFileName(FN,"Save Picture")
      If FNNew<>""
        Let FN=FNNew
        ClipPicture "MJPic"
        SavePicture "MJPic",FN
      EndIf
    EndScript
  EndObject
  TextMenu "SetColors"
    Definition
      AttachTo MENU ,"Options"
      Font "topaz",8 ; FontName, PointSize
      PrintStyle PLAIN ,2,3 ; Style, Pen1, Pen2
      TextColors 0,1,NORMAL  ; PenA, PenB, DrawMode
      Text " Set Colors "
      MenuFlags NONE 
      Highlight COMPLEMENT 
      ShortCutKey "C"
    EndScript
    Occurred
      LoadSubDeck "CanDo:Decks/ColorChange","CC"
      OpenRequester "CC","ChangePalette"
    EndScript
  EndObject
  TextMenu "ToMJSettings"
    Definition
      AttachTo MENU ,"Options"
      Font "topaz",8 ; FontName, PointSize
      PrintStyle PLAIN ,2,3 ; Style, Pen1, Pen2
      TextColors 0,1,NORMAL  ; PenA, PenB, DrawMode
      Text " To Settings "
      MenuFlags NONE 
      Highlight COMPLEMENT 
      ShortCutKey "T"
    EndScript
    Occurred
      ClipPicture "MJPic"
      SavePicture "MJPic","ram:CanDoMJPic"
      GotoCard "MJSettings","Reset"
    EndScript
  EndObject
* End of Card "MJPlotPic"
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* Card "MJSettings"
  BeforeAttachment ; used to be OnStartup
    If Invocation=0
      Let MaxDwell=15
      Let Resolution=1
      Let PlotType="M"
    EndIf
    Let Invocation=1
  EndScript
  AfterAttachment ; used to be AfterStartup
    Nop ;Remove check mark from all menu subitems
    SetObjectState "MD15",OFF
    SetObjectState "MD31",OFF
    SetObjectState "MD63",OFF
    SetObjectState "MD127",OFF
    SetObjectState "RES1",OFF
    SetObjectState "RES2",OFF
    SetObjectState "RES4",OFF
    SetObjectState "RES8",OFF
    SetObjectState "Mandelbrot",OFF
    SetObjectState "Julia",OFF
    Nop ;Put check mark on appropriate menu subitems
    SetObjectState "MD"||MaxDwell,ON
    SetObjectState "RES"||Resolution,ON
    If PlotType="M"
      SetObjectState "Mandelbrot",ON
    Else
      SetObjectState "Julia",ON
    EndIf
    Nop ;Set text entries if they changed
    If Arg1="Reset"
      SetText "LowReal",LR
      SetText "HighReal",HR
      SetText "LowImag",LI
      SetText "HighImag",HI
      SetText "JReal",JR
      SetText "JImag",JI
    EndIf
    SetPrintFont "CGTimes",20
    SetPrintStyle EMBOSSED ,2,11
    SetPen 1,0
    SetDrawMode JAM1 
    PrintText "MANDELBROT OR JULIA SET BOUNDARIES",220,18
    SetPrintFont "Pearl",11
    SetPrintStyle BOLD EMBOSSED ,2,6
    SetPen 1,0
    SetDrawMode JAM1 
    PrintText "      Low Real Value:",227,56
    PrintText "     High Real Value:",227,86
    PrintText " Low Imaginary Value:",227,116
    PrintText "High Imaginary Value:",227,146
    PrintText "Julia Real Value:",12,168
    PrintText "Julia Imag Value:",12,183
    SetPrintFont "Pearl",8
    SetPrintStyle EMBOSSED ,2,3
    SetPen 1,0
    SetDrawMode JAM1 
    PrintText "See Picture",73,149
  EndScript
  Routine "DrawMJPic"
    Let LR=TextFrom("LowReal")
    Let HR=TextFrom("HighReal")
    Let LI=TextFrom("LowImag")
    Let HI=TextFrom("HighImag")
    Let JR=TextFrom("JReal")
    Let JI=TextFrom("JImag")
    GotoCard "MJPlotPic",Arg1
  EndScript
  Window "UserWindow"
    Definition
      Origin 0,0
      Size 640,200
      Title "CanDoMJ"
      NumberOfColors 16,102400
      WindowColors 0,1,0 ; Detail, Block, Background
      WindowObjects CLOSEBUTTON 
      WindowFlags ACTIVATE SEPARATESCREEN TOFRONT 
    EndScript
    OnCloseButton
      Quit
    EndScript
  EndObject
  TextButton "Go"
    Definition
      Origin 561,179
      Font "topaz",8 ; FontName, PointSize
      PrintStyle PLAIN ,2,3 ; Style, Pen1, Pen2
      TextColors 1,0,NORMAL  ; PenA, PenB, DrawMode
      Text "  GO  "
      Border BEVEL ,2,1 ; BorderStyle, MainPen, ExtraPen
      Highlight COMPLEMENT 
      ButtonFlags NONE 
    EndScript
    OnRelease
      Do "DrawMJPic","GO"
    EndScript
  EndObject
  TextField "LowReal"
    Definition
      Origin 412,59
      Size 200,8
      Justification LEFT 
      MaxFieldLength 32
      InitialText "-2.9"
      Border DOUBLEBEVEL ,2,1 ; BorderStyle, MainPen, ExtraPen
    EndScript
    OnRelease
      SetObjectState "HighReal",ON
    EndScript
  EndObject
  TextField "HighReal"
    Definition
      Origin 412,89
      Size 200,8
      Justification LEFT 
      MaxFieldLength 32
      InitialText "2.9"
      Border DOUBLEBEVEL ,2,1 ; BorderStyle, MainPen, ExtraPen
    EndScript
    OnRelease
      SetObjectState "LowImag",ON
    EndScript
  EndObject
  TextField "LowImag"
    Definition
      Origin 412,119
      Size 200,8
      Justification LEFT 
      MaxFieldLength 32
      InitialText "-2.0"
      Border DOUBLEBEVEL ,2,1 ; BorderStyle, MainPen, ExtraPen
    EndScript
    OnRelease
      SetObjectState "HighImag",ON
    EndScript
  EndObject
  TextField "HighImag"
    Definition
      Origin 412,149
      Size 200,8
      Justification LEFT 
      MaxFieldLength 32
      InitialText "2.0"
      Border DOUBLEBEVEL ,2,1 ; BorderStyle, MainPen, ExtraPen
    EndScript
    OnRelease
      SetObjectState "JReal",ON
    EndScript
  EndObject
  TextField "JImag"
    Definition
      Origin 161,186
      Size 200,8
      Justification LEFT 
      MaxFieldLength 32
      InitialText "0.0"
      Border DOUBLEBEVEL ,2,1 ; BorderStyle, MainPen, ExtraPen
    EndScript
    OnRelease
      SetObjectState "LowReal",ON
    EndScript
  EndObject
  TextField "JReal"
    Definition
      Origin 161,171
      Size 200,8
      Justification LEFT 
      MaxFieldLength 32
      InitialText "0.5"
      Border DOUBLEBEVEL ,2,1 ; BorderStyle, MainPen, ExtraPen
    EndScript
    OnRelease
      SetObjectState "JImag",ON
    EndScript
  EndObject
  TextButton "GoC"
    Definition
      Origin 471,179
      Font "topaz",8 ; FontName, PointSize
      PrintStyle PLAIN ,2,3 ; Style, Pen1, Pen2
      TextColors 1,0,NORMAL  ; PenA, PenB, DrawMode
      Text "  GO C  "
      Border BEVEL ,2,1 ; BorderStyle, MainPen, ExtraPen
      Highlight COMPLEMENT 
      ButtonFlags NONE 
    EndScript
    OnRelease
      Do "DrawMJPic","GOC"
    EndScript
  EndObject
  ImageButton "SeeMJPic"
    Definition
      Origin 28,19
      Image "CanDo:Brushes/CanDoMJButton.br"
      Highlight COMPLEMENT 
      ButtonFlags NONE 
    EndScript
    OnRelease
      Do "DrawMJPic","SEE"
    EndScript
  EndObject
  TextMenu "MaxDwell"
    Definition
      AttachTo MENU ,"PlotInfo"
      Font "topaz",8 ; FontName, PointSize
      PrintStyle PLAIN ,2,3 ; Style, Pen1, Pen2
      TextColors 0,1,NORMAL  ; PenA, PenB, DrawMode
      Text "Max Dwell"
      MenuFlags NONE 
      Highlight COMPLEMENT 
      ShortCutKey ""
    EndScript
  EndObject
  TextMenu "MD15"
    Definition
      AttachTo OBJECT ,"MaxDwell"
      Font "topaz",8 ; FontName, PointSize
      PrintStyle PLAIN ,2,3 ; Style, Pen1, Pen2
      TextColors 0,1,NORMAL  ; PenA, PenB, DrawMode
      Text "  15 "
      MenuFlags CHECKABLE CHECKIT 
      Highlight COMPLEMENT 
      ShortCutKey "1"
    EndScript
    Occurred
      Let MaxDwell=15
      SetObjectState "MD31",OFF
      SetObjectState "MD63",OFF
      SetObjectState "MD127",OFF
    EndScript
  EndObject
  TextMenu "MD31"
    Definition
      AttachTo OBJECT ,"MaxDwell"
      Font "topaz",8 ; FontName, PointSize
      PrintStyle PLAIN ,2,3 ; Style, Pen1, Pen2
      TextColors 0,1,NORMAL  ; PenA, PenB, DrawMode
      Text "  31 "
      MenuFlags CHECKABLE 
      Highlight COMPLEMENT 
      ShortCutKey "2"
    EndScript
    Occurred
      Let MaxDwell=31
      SetObjectState "MD15",OFF
      SetObjectState "MD63",OFF
      SetObjectState "MD127",OFF
    EndScript
  EndObject
  TextMenu "MD63"
    Definition
      AttachTo OBJECT ,"MaxDwell"
      Font "topaz",8 ; FontName, PointSize
      PrintStyle PLAIN ,2,3 ; Style, Pen1, Pen2
      TextColors 0,1,NORMAL  ; PenA, PenB, DrawMode
      Text "  63 "
      MenuFlags CHECKABLE 
      Highlight COMPLEMENT 
      ShortCutKey "3"
    EndScript
    Occurred
      Let MaxDwell=63
      SetObjectState "MD15",OFF
      SetObjectState "MD31",OFF
      SetObjectState "MD127",OFF
    EndScript
  EndObject
  TextMenu "MD127"
    Definition
      AttachTo OBJECT ,"MaxDwell"
      Font "topaz",8 ; FontName, PointSize
      PrintStyle PLAIN ,2,3 ; Style, Pen1, Pen2
      TextColors 0,1,NORMAL  ; PenA, PenB, DrawMode
      Text " 127 "
      MenuFlags CHECKABLE 
      Highlight COMPLEMENT 
      ShortCutKey "4"
    EndScript
    Occurred
      Let MaxDwell=127
      SetObjectState "MD15",OFF
      SetObjectState "MD31",OFF
      SetObjectState "MD63",OFF
    EndScript
  EndObject
  TextMenu "Resolution"
    Definition
      AttachTo MENU ,"PlotInfo"
      Font "topaz",8 ; FontName, PointSize
      PrintStyle PLAIN ,2,3 ; Style, Pen1, Pen2
      TextColors 0,1,NORMAL  ; PenA, PenB, DrawMode
      Text "Resolution"
      MenuFlags NONE 
      Highlight COMPLEMENT 
      ShortCutKey ""
    EndScript
  EndObject
  TextMenu "RES1"
    Definition
      AttachTo OBJECT ,"Resolution"
      Font "topaz",8 ; FontName, PointSize
      PrintStyle PLAIN ,2,3 ; Style, Pen1, Pen2
      TextColors 0,1,NORMAL  ; PenA, PenB, DrawMode
      Text " 1 "
      MenuFlags CHECKABLE CHECKIT 
      Highlight COMPLEMENT 
      ShortCutKey "5"
    EndScript
    Occurred
      Let Resolution=1
      SetObjectState "RES2",OFF
      SetObjectState "RES4",OFF
      SetObjectState "RES8",OFF
    EndScript
  EndObject
  TextMenu "PlotType"
    Definition
      AttachTo MENU ,"PlotInfo"
      Font "topaz",8 ; FontName, PointSize
      PrintStyle PLAIN ,2,3 ; Style, Pen1, Pen2
      TextColors 0,1,NORMAL  ; PenA, PenB, DrawMode
      Text "Plot Type"
      MenuFlags NONE 
      Highlight COMPLEMENT 
      ShortCutKey ""
    EndScript
  EndObject
  TextMenu "Mandelbrot"
    Definition
      AttachTo OBJECT ,"PlotType"
      Font "topaz",8 ; FontName, PointSize
      PrintStyle PLAIN ,2,3 ; Style, Pen1, Pen2
      TextColors 0,1,NORMAL  ; PenA, PenB, DrawMode
      Text " Mandelbrot "
      MenuFlags CHECKABLE CHECKIT 
      Highlight COMPLEMENT 
      ShortCutKey "M"
    EndScript
    Occurred
      Let PlotType="M"
      SetObjectState "Julia",OFF
    EndScript
  EndObject
  TextMenu "Julia"
    Definition
      AttachTo OBJECT ,"PlotType"
      Font "topaz",8 ; FontName, PointSize
      PrintStyle PLAIN ,2,3 ; Style, Pen1, Pen2
      TextColors 0,1,NORMAL  ; PenA, PenB, DrawMode
      Text "      Julia "
      MenuFlags CHECKABLE 
      Highlight COMPLEMENT 
      ShortCutKey "J"
    EndScript
    Occurred
      Let PlotType="J"
      SetObjectState "Mandelbrot",OFF
    EndScript
  EndObject
  TextMenu "RES2"
    Definition
      AttachTo OBJECT ,"Resolution"
      Font "topaz",8 ; FontName, PointSize
      PrintStyle PLAIN ,2,3 ; Style, Pen1, Pen2
      TextColors 0,1,NORMAL  ; PenA, PenB, DrawMode
      Text " 2 "
      MenuFlags CHECKABLE 
      Highlight COMPLEMENT 
      ShortCutKey "6"
    EndScript
    Occurred
      Let Resolution=2
      SetObjectState "RES1",OFF
      SetObjectState "RES4",OFF
      SetObjectState "RES8",OFF
    EndScript
  EndObject
  TextMenu "RES4"
    Definition
      AttachTo OBJECT ,"Resolution"
      Font "topaz",8 ; FontName, PointSize
      PrintStyle PLAIN ,2,3 ; Style, Pen1, Pen2
      TextColors 0,1,NORMAL  ; PenA, PenB, DrawMode
      Text " 4 "
      MenuFlags CHECKABLE 
      Highlight COMPLEMENT 
      ShortCutKey "7"
    EndScript
    Occurred
      Let Resolution=4
      SetObjectState "RES1",OFF
      SetObjectState "RES2",OFF
      SetObjectState "RES8",OFF
    EndScript
  EndObject
  TextMenu "RES8"
    Definition
      AttachTo OBJECT ,"Resolution"
      Font "topaz",8 ; FontName, PointSize
      PrintStyle PLAIN ,2,3 ; Style, Pen1, Pen2
      TextColors 0,1,NORMAL  ; PenA, PenB, DrawMode
      Text " 8 "
      MenuFlags CHECKABLE 
      Highlight COMPLEMENT 
      ShortCutKey "8"
    EndScript
    Occurred
      Let Resolution=8
      SetObjectState "RES1",OFF
      SetObjectState "RES2",OFF
      SetObjectState "RES4",OFF
    EndScript
  EndObject
  TextMenu "Default"
    Definition
      AttachTo MENU ,"PlotInfo"
      Font "topaz",8 ; FontName, PointSize
      PrintStyle PLAIN ,2,3 ; Style, Pen1, Pen2
      TextColors 0,1,NORMAL  ; PenA, PenB, DrawMode
      Text "Default Settings"
      MenuFlags NONE 
      Highlight COMPLEMENT 
      ShortCutKey "D"
    EndScript
    Occurred
      GotoCard "MJSettings"
    EndScript
  EndObject
* End of Card "MJSettings"
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