Class: Gosu::Image

Inherits:
Object show all
Includes:
TexPlay
Defined in:
lib/texplay.rb,
lib/texplay/live.rb

Constant Summary

Constants included from TexPlay

TexPlay::RENDER_CLEAR_COLOR, TexPlay::TP_MAX_QUAD_SIZE, TexPlay::VERSION, TexPlay::Win

Constants included from TexPlay::Colors

TexPlay::Colors::Alpha, TexPlay::Colors::Black, TexPlay::Colors::Blue, TexPlay::Colors::Brown, TexPlay::Colors::Cyan, TexPlay::Colors::Green, TexPlay::Colors::Grey, TexPlay::Colors::Orange, TexPlay::Colors::Purple, TexPlay::Colors::Red, TexPlay::Colors::Turquoise, TexPlay::Colors::Tyrian, TexPlay::Colors::White, TexPlay::Colors::Yellow

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from TexPlay

#[], #bezier, #cache, #circle, #clear, #clone, #color, #colour, create_blank_image, create_image, create_macro, #delete_options, #dup, #each, #fill, #force_sync, from_blob, get_options, #get_options, #get_pixel, init, #line, load, #method_missing, #ngon, #offset, on_setup, original_create_image, #paint, #polyline, #quad_cached?, #rect, #refresh_cache, refresh_cache_all, remove_macro, set_defaults, set_options, #set_options, #set_pixel, setup, #splice, #to_blob

Constructor Details

#initialize(*args) ⇒ Image

Returns a new instance of Image.



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# File 'lib/texplay/live.rb', line 13

def initialize(*args)
  @x = WIDTH / 2
  @y = HEIGHT / 2
  orig_init(*args)
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class TexPlay

Instance Attribute Details

#x ⇒ Object

Returns the value of attribute x.



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# File 'lib/texplay/live.rb', line 10

def x
  @x
end

#y ⇒ Object

Returns the value of attribute y.



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# File 'lib/texplay/live.rb', line 10

def y
  @y
end

Class Method Details

.from_text(*args, &block) ⇒ Object 



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# File 'lib/texplay.rb', line 198

def from_text(*args, &block)

  options = args.last.is_a?(Hash) ? args.pop : {}
  # invoke old behaviour
  obj = original_from_text(*args, &block)

  prepare_image(obj, args.first, options)
end

.new(*args, &block) ⇒ Object 



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# File 'lib/texplay.rb', line 187

def new(*args, &block)

  options = args.last.is_a?(Hash) ? args.pop : {}
  # invoke old behaviour
  obj = original_new(*args, &block)

  prepare_image(obj, args.first, options)
end

.original_from_text ⇒ Object 



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# File 'lib/texplay.rb', line 196

alias_method :original_from_text, :from_text

.original_new ⇒ Object 



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# File 'lib/texplay.rb', line 185

alias_method :original_new, :new

.prepare_image(obj, window, options = {}) ⇒ Object 



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# File 'lib/texplay.rb', line 207

def prepare_image(obj, window, options={})
  options = {
    :caching => TexPlay.get_options[:caching]
  }.merge!(options)

  caching_mode = options[:caching]

  # we can't manipulate large images, so skip them.
  if obj.width <= (TexPlay::TP_MAX_QUAD_SIZE) &&
      obj.height <= (TexPlay::TP_MAX_QUAD_SIZE)
    
    if caching_mode
      if caching_mode == :lazy

        # only cache if quad already cached (to refresh old data)
        # otherwise cache lazily at point of first TexPlay call
        obj.refresh_cache if obj.quad_cached?

      else
        
        # force a cache - this obviates the need for a
        # potentialy expensive runtime cache of the image by
        # moving the cache to load-time
        obj.refresh_cache
      end
    end
  end
  
  # run custom setup
  TexPlay.setup(obj)

  obj.instance_variable_set(:@__window__, window)

  obj
end

Instance Method Details

#orig_init ⇒ Object 



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# File 'lib/texplay/live.rb', line 12

alias_method :orig_init, :initialize