Method: EZDraw::Window#initialize

Defined in:
lib/ezdraw.rb

#initialize(size = :default, title = :default, *opts) ⇒ Window

Returns a new instance of Window.



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# File 'lib/ezdraw.rb', line 122

def initialize(size=:default, title=:default, *opts)
 EZDraw.requires_init

 if size == :default
  # TODO: use SDL's GetCurrentDisplayMode and make default proportional (30% ?) the size of screen
  w = h = 500
 else
  w, h = size
 end

 if title == :default
  title = $PROGRAM_NAME
 end

 # TODO: couldn't find an elegant way to put this option in the interface
 # perhaps kv args? but then how to pass fullscreen?
 x = y = SDL2::SDL_WINDOWPOS_UNDEFINED

 wflags = 0
 wflags |= SDL2::SDL_WINDOW_FULLSCREEN if opts.include? :fullscreen

 @win = SDL2.SDL_CreateWindow(title, x, y, w, h, wflags)

 # TODO: add renderer options to interface
 # eg. :software, :accelerated, :vsync
 @ren = SDL2.SDL_CreateRenderer(@win, -1, SDL2::SDL_RENDERER_ACCELERATED | SDL2::SDL_RENDERER_TARGETTEXTURE)

 sz = get_window_size
 rinfo = get_renderer_info
 @buf = SDL2::SDL_CreateTexture(@ren, rinfo[:texture_formats][0],
                                SDL2::SDL_TEXTUREACCESS_TARGET, sz[0], sz[1])
 SDL2.SDL_SetRenderTarget(@ren, @buf)

 @fill = White
 @stroke = Black
 @font = EZDraw::default_font
 @dc_stack = []

 self.render_draw_color = fill
 SDL2.SDL_RenderClear(@ren)

 auto_update(true)

 # finalizer
 @dflag = [false]
 ObjectSpace.define_finalizer(self, proc {|id|
  self.class._destroy(@win, @ren, @buf, @dflag)
 })
 @@instances << self
end