Class: Shoes::Swt::ImagePattern

Inherits:
Object
  • Object
show all
Includes:
Common::ImageHandling, Common::Remove
Defined in:
shoes-swt/lib/shoes/swt/image_pattern.rb

Instance Method Summary collapse

Methods included from Common::ImageHandling

#cleanup_temporary_files, #load_file_image_data

Methods included from Common::Remove

#dispose_held_resources, #remove

Constructor Details

#initialize(dsl) ⇒ ImagePattern

Returns a new instance of ImagePattern.



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# File 'shoes-swt/lib/shoes/swt/image_pattern.rb', line 9

def initialize(dsl)
  @dsl = dsl
end

Instance Method Details

#apply_as_fill(gc, _dsl) ⇒ Object 



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# File 'shoes-swt/lib/shoes/swt/image_pattern.rb', line 28

def apply_as_fill(gc, _dsl)
  gc.set_background_pattern pattern
end

#apply_as_stroke(gc, _dsl) ⇒ Object 



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# File 'shoes-swt/lib/shoes/swt/image_pattern.rb', line 32

def apply_as_stroke(gc, _dsl)
  gc.set_foreground_pattern pattern
end

#dispose ⇒ Object 



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# File 'shoes-swt/lib/shoes/swt/image_pattern.rb', line 13

def dispose
  @image&.dispose
  @pattern&.dispose
end

#pattern ⇒ Object

Since colors are bound up (at least in specs) with image patterns, we can’t safely touch images during initialize, so lazily load them.



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# File 'shoes-swt/lib/shoes/swt/image_pattern.rb', line 20

def pattern
  @image   ||= ::Swt::Image.new(Shoes.display, load_file_image_data(@dsl.path))
  @pattern ||= ::Swt::Pattern.new(Shoes.display, @image)
  cleanup_temporary_files

  @pattern
end