Class: Fox::Canvas::Shape

Inherits:
Object
  • Object
show all
Defined in:
lib/fox16/canvas.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(x, y) ⇒ Shape

Returns a new instance of Shape.



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# File 'lib/fox16/canvas.rb', line 26

def initialize(x, y)
  @enabled = true
  @visible = true
  @selected = false
  @draggable = false
  @x = x
  @y = y
  @foreground = FXRGB(0, 0, 0)
  @target = nil
  @selector = 0
end

Instance Attribute Details

#foreground ⇒ Object

Returns the value of attribute foreground.



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# File 'lib/fox16/canvas.rb', line 24

def foreground
  @foreground
end

#selector ⇒ Object

Returns the value of attribute selector.



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# File 'lib/fox16/canvas.rb', line 24

def selector
  @selector
end

#target ⇒ Object

Returns the value of attribute target.



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# File 'lib/fox16/canvas.rb', line 24

def target
  @target
end

#x ⇒ Object

Returns the value of attribute x.



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# File 'lib/fox16/canvas.rb', line 24

def x
  @x
end

#y ⇒ Object

Returns the value of attribute y.



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# File 'lib/fox16/canvas.rb', line 24

def y
  @y
end

Instance Method Details

#apply_dc(dc) ⇒ Object (protected) 



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# File 'lib/fox16/canvas.rb', line 137

protected def apply_dc(dc)
  oldForeground = dc.foreground
  dc.foreground = foreground
  yield
  dc.foreground = oldForeground
end

#bounds ⇒ Object

Return the bounding box for this shape



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# File 'lib/fox16/canvas.rb', line 39

def bounds
  FXRectangle.new(x, y, width, height)
end

#deselect ⇒ Object

Deselect this shape



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# File 'lib/fox16/canvas.rb', line 99

def deselect
  @selected = false
end

#disable ⇒ Object

Disable this shape



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# File 'lib/fox16/canvas.rb', line 69

def disable
  @enabled = false
end

#draggable=(d) ⇒ Object

Set this shape’s draggability



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# File 'lib/fox16/canvas.rb', line 109

def draggable=(d)
  @draggable = d
end

#draggable? ⇒ Boolean

Is this shape draggable?

Returns:

  • (Boolean) 


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# File 'lib/fox16/canvas.rb', line 114

def draggable?
  @draggable
end

#draw(dc) ⇒ Object

Draw this shape into the specificed device context



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# File 'lib/fox16/canvas.rb', line 119

def draw(dc)
end

#drawOutline(dc, x, y, w, h) ⇒ Object

Draws outline



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# File 'lib/fox16/canvas.rb', line 123

def drawOutline(dc, x, y, w, h)
  points = []
  points << FXPoint.new(x - 0.5*w, y - 0.5*h)
  points << FXPoint.new(x + 0.5*w, y)
  points << FXPoint.new(x + 0.5*w, y + 0.5*h)
  points << FXPoint.new(x - 0.5*w, y + 0.5*h)
  points << points[0]
  dc.drawLines(points)
end

#enable ⇒ Object

Enable this shape



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# File 'lib/fox16/canvas.rb', line 64

def enable
  @enabled = true
end

#enabled? ⇒ Boolean

Is this shape enabled?

Returns:

  • (Boolean) 


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# File 'lib/fox16/canvas.rb', line 74

def enabled?
  @enabled
end

#hide ⇒ Object

Hide this shape



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# File 'lib/fox16/canvas.rb', line 84

def hide
  @visible = false
end

#hit?(xpos, ypos) ⇒ Boolean

Hit test

Returns:

  • (Boolean) 


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# File 'lib/fox16/canvas.rb', line 44

def hit?(xpos, ypos)
  (xpos >= x) && (xpos < x+width) && (ypos >= y) && (ypos < y+height)
end

#makeControlPoints ⇒ Object

Default: make 6 control points



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# File 'lib/fox16/canvas.rb', line 134

def makeControlPoints
end

#move(x, y) ⇒ Object

Move shape to specified position



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# File 'lib/fox16/canvas.rb', line 49

def move(x, y)
  @x, @y = x, y
end

#position(x, y, w, h) ⇒ Object

Move and resize the shape



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# File 'lib/fox16/canvas.rb', line 58

def position(x, y, w, h)
  move(x, y)
  resize(w, h)
end

#resize(w, h) ⇒ Object

Resize shape to specified width and height



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# File 'lib/fox16/canvas.rb', line 54

def resize(w, h)
end

#select ⇒ Object

Select this shape



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# File 'lib/fox16/canvas.rb', line 94

def select
  @selected = true
end

#selected? ⇒ Boolean

Is this shape selected?

Returns:

  • (Boolean) 


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# File 'lib/fox16/canvas.rb', line 104

def selected?
  @selected
end

#show ⇒ Object

Show this shape



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# File 'lib/fox16/canvas.rb', line 79

def show
  @visible = true
end

#visible? ⇒ Boolean

Is this shape visible?

Returns:

  • (Boolean) 


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# File 'lib/fox16/canvas.rb', line 89

def visible?
  @visible
end