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Pict Snip:   Build Snips from Picts
pict-snip%
new
get-pict
get-extent
draw
write
copy
snipclass
reader
7.0.0.900

Pict Snip: Build Snips from Picts

The pict/snip library constructs snip% instances that draw based on a given pict? object.

class

pict-snip% : class?

  superclass: snip%

constructor

(new pict-snip% [pict pict])  (is-a?/c pict-snip%)

  pict : pict?
Creates a pict-snip% object, using pict to draw.

method

(send a-pict-snip get-pict)  pict?

Returns the pict passed to the constructor.

method

(send a-pict-snip get-extent dc    
  x    
  y    
  w    
  h    
  descent    
  lspace    
  rspace)  void?
  dc : (is-a?/c dc<%>)
  x : real?
  y : real?
  w : (or/c (box/c (and/c real? (not/c negative?))) #f)
  h : (or/c (box/c (and/c real? (not/c negative?))) #f)
  descent : (or/c (box/c (and/c real? (not/c negative?))) #f)
  lspace : (or/c (box/c (and/c real? (not/c negative?))) #f)
  rspace : (or/c (box/c (and/c real? (not/c negative?))) #f)
Updates the arguments based on the size of the pict returned from get-pict.

method

(send a-pict-snip draw dc    
  x    
  y    
  left    
  top    
  right    
  bottom    
  dx    
  dy    
  draw-caret)  void?
  dc : (is-a?/c dc<%>)
  x : real?
  y : real?
  left : real?
  top : real?
  right : real?
  bottom : real?
  dx : real?
  dy : real?
  draw-caret : 
(or/c 'no-caret 'show-inactive-caret 'show-caret
      (cons/c exact-nonnegative-integer?
              exact-nonnegative-integer?))
Overrides draw in snip%.
Draws the pict returned from get-pict.

method

(send a-pict-snip write f)  void?

  f : (is-a?/c editor-stream-out%)
Uses a record-dc% to write the way that the result of get-pict draws and saves that to f.

method

(send a-pict-snip copy)  (is-a?/c pict-snip%)

Returns a snip that has the same pict as this one.

value

snipclass : (is-a?/c snip-class%)

The snip-class% instance used by instances of pict-snip%.

value

reader : (is-a?/c snip-reader<%>)

The snip-reader<%> instance used by the wxme library.