Class: Hemi::Render::Font

Inherits:
Texture
  • Object
show all
Defined in:
lib/hemi/render/font.rb

Constant Summary collapse

ALLOWED_MODES = 
%i[solid blended shaded].freeze
FONT_FILE_PATTERN = 
/([\w-]*)_([\d]*)/.freeze

Constants inherited from Texture

Texture::ERR__INVALID_POSITION

Class Attribute Summary collapse

Instance Attribute Summary collapse

Attributes inherited from Texture

#texture

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Texture

[], purge!, register

Constructor Details

#initialize(name_size) ⇒ Font

Returns a new instance of Font.



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# File 'lib/hemi/render/font.rb', line 14

def initialize(name_size)
  name, size = *name_size.to_s.scan(FONT_FILE_PATTERN).flatten
  @font_path = "assets/fonts/#{name}.ttf"
  @font      = SDL2::TTF.open(font_path, size.to_i)

  Font.register(name_size, self)
rescue SDL2::Error => _e
  raise ArgumentError, format(ERR__FONT_NOT_FOUND, font_path)
end

Class Attribute Details

.fonts ⇒ Object (readonly)

Returns the value of attribute fonts.



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# File 'lib/hemi/render/font.rb', line 34

def fonts
  @fonts
end

Instance Attribute Details

#font ⇒ Object (readonly)

Returns the value of attribute font.



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# File 'lib/hemi/render/font.rb', line 24

def font
  @font
end

#font_path ⇒ Object (readonly)

Returns the value of attribute font_path.



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# File 'lib/hemi/render/font.rb', line 24

def font_path
  @font_path
end

#size ⇒ Object (readonly)

Returns the value of attribute size.



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# File 'lib/hemi/render/font.rb', line 24

def size
  @size
end

Class Method Details

.bucket ⇒ Object 



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# File 'lib/hemi/render/font.rb', line 36

def bucket
  :fonts
end

Instance Method Details

#render(text, position: nil, mode: :blended) ⇒ Object 



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# File 'lib/hemi/render/font.rb', line 26

def render(text, position: nil, mode: :blended)
  @texture = Hemi::Render::Window
             .renderer
             .create_texture_from(surface(text, mode: mode))
  Hemi::Render::Window.renderer.copy(texture, nil, rectangle(position: position))
end