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Current File : /var/www/cesa.co.za/fpdf/postscript/box.checkbutton.ps
/checkbutton-size 15 px def

/box-checkbutton-create {
  box-generic-create
  dup box-checkbutton-setup-methods
  
  dup /checked false put
  checkbutton-size 1 index put-default-baseline
  checkbutton-size 1 index put-height
  checkbutton-size 1 index put-width
  
  dup /box-checkbutton add-type
} def

/box-checkbutton-get-max-width {   % => Context Box
  dup get-full-width
  exch pop
  exch pop
} def

/box-checkbutton-get-min-width {   % => Context Box
  dup get-full-width
  exch pop
  exch pop
} def

/box-checkbutton-put-checked {     % => Value Box
  exch /checked exch put
} def

/box-checkbutton-reflow {          % => Context Parent Box
% Set default baseline
  dup get-default-baseline
  1 index put-baseline

% append to parent line box
  dup 2 index box-container-append-line

% Determine coordinates of upper-left _margin_ corner
  1 index 1 index box-generic-guess-corner

% Offset parent current X coordinate
  1 index get-current-x
  1 index get-full-width
  add
  2 index put-current-x

% Extend parent height
  dup get-bottom-margin
  2 index box-generic-extend-height

  pop pop pop
} def

/box-checkbutton-setup-methods {
  dup /Methods get
  dup /get-max-width {box-checkbutton-get-max-width} put
  dup /get-min-width {box-checkbutton-get-min-width} put
  dup /reflow {box-checkbutton-reflow} put
  dup /show {box-checkbutton-show} put
  pop pop
} def

/box-checkbutton-show {            % => Viewport Box
% Get check center
  dup get-left
  1 index get-right add
  2 div                            % => Viewport Box X

  1 index get-top
  2 index get-bottom add
  2 div                            % => Viewport Box X Y

% Calculate checkbox size
  2 index /get-width call-method
  3 div                            % => Viewport Box X Y Size

% Draw checkbox
  0.25 setlinewidth
  
  2 index 1 index sub
  2 index 2 index add moveto

  2 index 1 index add
  2 index 2 index add lineto

  2 index 1 index add
  2 index 2 index sub lineto

  2 index 1 index sub
  2 index 2 index sub lineto

  closepath
  stroke

% Draw checkmark if needed
  3 index /checked get {
    dup 2 div                      % => Viewport Box X Y Size CheckSize

    3 index 1 index sub
    3 index 2 index add moveto
    3 index 1 index add
    3 index 2 index sub lineto
    stroke
    
    3 index 1 index add
    3 index 2 index add moveto
    3 index 1 index sub
    3 index 2 index sub lineto
    stroke

    pop
  } if                             % => Viewport Box X Y Size

  pop pop pop
  pop pop
} def