Module: Contrek::Bitmaps::Rendering::ClassMethods

Defined in:
lib/contrek/bitmaps/rendering.rb

Instance Method Summary collapse

Instance Method Details

#to_window(result, zoom: 100, coords: true, window_w: 2000, window_h: 1200, font_h: 20) ⇒ Object 



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# File 'lib/contrek/bitmaps/rendering.rb', line 11

def to_window(result, zoom: 100, coords: true, window_w: 2000, window_h: 1200, font_h: 20)
  require "ruby2d"
  ubuntu_purple = ChunkyPNG::Color.from_hex("#77216F")
  bm = RawBitmap.new(w: window_w, h: window_h, color: ubuntu_purple)
  # grid
  light_purple = ChunkyPNG::Color.from_hex("#95338B")
  (window_w / zoom).times { |x| bm.draw_line(x * zoom, 0, x * zoom, window_h, light_purple) }
  (window_h / zoom).times { |y| bm.draw_line(0, y * zoom, window_w, y * zoom, light_purple) }
  # polygons
  Painting.direct_draw_polygons(result.points, bm, zoom: zoom)
  # windowing
  Tempfile.create do |temp_file|
    bm.image.save(temp_file.path, color_mode: ChunkyPNG::COLOR_TRUECOLOR_ALPHA)
    Window.clear
    Window.set(
      title: "Rendering #{result[:metadata][:groups]} polygons",
      width: window_w,
      height: window_h,
      resizable: true
    )
    Image.new(
      temp_file.path,
      x: 0, y: 0,
      width: window_w,
      height: window_h
    )
    draw_labels(result.points, zoom: zoom, draw_coords: coords, font_h:)
    Window.on :key_down do |event|
      if event.key == "escape"
        Window.close
      end
      if event.key == "s"
        Window.screenshot("window_content.png")
      end
    end
    Window.show
  end
end