Class: GlimR::StretchableImage

Inherits:
Image show all
Defined in:
lib/glimr/widgets/stretchable_image.rb

Direct Known Subclasses

TextCursor

Constant Summary

Constants included from Layoutable

Layoutable::DIMENSIONS

Instance Attribute Summary

Attributes inherited from Image

#bound, #image

Attributes inherited from Widget

#focused, #hover

Attributes included from Layoutable

#align, #valign

Attributes inherited from Model

#geometry, #material, #shader, #texture, #transform

Attributes inherited from SceneObject

#children, #drawables, #mtime, #parent, #viewport

Attributes included from EventListener

#event_listeners, #listener_count

Instance Method Summary collapse

Methods inherited from Image

#create_colors, #default_config, #initialize, load, #load, load_theme, #load_theme, #texture=

Methods inherited from Widget

#activate, #blur, #click, #focus, for, #initialize, #key_down, #key_up, #lock, #mouse_down, #mouse_move, #mouse_out, #mouse_over, #mouse_up, #unlock

Methods included from Layoutable

#attach, #children_change, #constant_size?, #default_config, #detach, #expand!, #expand?, #expand_height, #expand_to_max_height!, #expand_to_max_width!, #expand_width, #fit_height!, #fit_to_children!, #fit_width!, #free_height, #free_width, #full_depth, #full_height, #full_width, #initialize, #inner_depth, #inner_height, #inner_width, #inspect, #layout, #layoutable_children, #margin, #margin=, #max_height=, #max_width=, #min_height=, #min_width=, #padding, #padding=, #parent=, #size_changing, size_changing_accessor, #tell_children_of_size_change, #x=, #y=

Methods inherited from Model

#absolute_transform, #apply, #initialize, #inspect, #pop_state, #push_state

Methods inherited from SceneObject

#<<, #absolute_geometry, #absolute_material, #absolute_shader, #absolute_texture, #absolute_transform, #absolute_transform_for_drawing, #add_drawables, #apply, #attach, #clone, #default_config, #detach, #detach_self, #initialize, #inspect, #pop_state, #push_state, #remove_drawables, #render, #replace_node, #root, #touch!, #visible

Methods included from Configurable

#default_config, #initialize

Methods included from EventListener

#add_event_listener, #decrement_listener_count, #dispatch_event, #event_root, #increment_listener_count, #initialize, #method_missing, #multicast_event, #process_event, #remove_event_listener

Constructor Details

This class inherits a constructor from GlimR::Image

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class GlimR::EventListener

Instance Method Details

#create_normals ⇒ Object 



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# File 'lib/glimr/widgets/stretchable_image.rb', line 60

def create_normals
  super * 9
end

#create_texcoords ⇒ Object 



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# File 'lib/glimr/widgets/stretchable_image.rb', line 36

def create_texcoords
  tc = super
  tw = th = 0
  tc.each_with_index{|e,i|
    if i % 2 == 0
      tw = e if e > tw
    else
      th = e if e > th
    end
  }
  texcoords_3 = create_vertices(0.5*tw, 0.5*tw, tw, 0.5*th, 0.5*th, th)
  xcoords = []
  ycoords = []
  texcoords_3.each_with_index{|e,i|
    case i%3
    when 0
      xcoords << e
    when 1
      ycoords << e
    end
  }
  xcoords.zip(ycoords)
end

#create_vertices(hw = @texture.width / 2.0, fhw = @width - hw, w = @width, hh = @texture.height / 2.0, fhh = @height - hh, h = @height) ⇒ Object 



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# File 'lib/glimr/widgets/stretchable_image.rb', line 64

def create_vertices(
  hw = @texture.width / 2.0,
  fhw = @width - hw,
  w = @width,
  hh = @texture.height / 2.0,
  fhh = @height - hh,
  h = @height
)
  top_left_quad = [
    0, hh, 0,
    hw, hh, 0,
    hw, 0, 0,
    0,0,0
  ]
  top_middle_quad = [
    hw, hh, 0,
    fhw, hh, 0,
    fhw, 0, 0,
    hw, 0, 0
  ]
  top_right_quad = [
    fhw, hh, 0,
    w, hh, 0,
    w, 0, 0,
    fhw, 0, 0
  ]
  middle_left_quad = [
    0, fhh, 0,
    hw, fhh, 0,
    hw, hh, 0,
    0, hh, 0
  ]
  middle_middle_quad = [
    hw, fhh, 0,
    fhw, fhh, 0,
    fhw, hh, 0,
    hw, hh, 0
  ]
  middle_right_quad = [
    fhw, fhh, 0,
    w, fhh, 0,
    w, hh, 0,
    fhw, hh, 0
  ]
  bottom_left_quad = [
    0, h, 0,
    hw, h, 0,
    hw, fhh, 0,
    0, fhh, 0
  ]
  bottom_middle_quad = [
    hw, h, 0,
    fhw, h, 0,
    fhw, fhh, 0,
    hw, fhh, 0
  ]
  bottom_right_quad = [
    fhw, h, 0,
    w, h, 0,
    w, fhh, 0,
    fhw, fhh, 0
  ]
  (
    top_left_quad + top_middle_quad + top_right_quad +
    middle_left_quad + middle_middle_quad + middle_right_quad +
    bottom_left_quad + bottom_middle_quad + bottom_right_quad
  )
end

#height=(h) ⇒ Object 



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# File 'lib/glimr/widgets/stretchable_image.rb', line 21

def height=(h)
  return if h < @texture.height
  super
  update_geometry
end

#set_dimensions(w, h) ⇒ Object 



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# File 'lib/glimr/widgets/stretchable_image.rb', line 9

def set_dimensions(w,h)
  @width = w if w >= @texture.width
  @height = h if h >= @texture.height
  update_geometry
end

#update_geometry ⇒ Object 



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# File 'lib/glimr/widgets/stretchable_image.rb', line 27

def update_geometry
  @min_width = @texture.width
  @min_height = @texture.height
  @width = [@width, @texture.width].max
  @height = [@height, @texture.height].max
  super
end

#width=(w) ⇒ Object 



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# File 'lib/glimr/widgets/stretchable_image.rb', line 15

def width=(w)
  return if w < @texture.width
  super
  update_geometry
end