Class: Oekaki::Tool

Inherits:
Object
  • Object
show all
Defined in:
lib/oekaki.rb

Direct Known Subclasses

Event, Star

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Tool

Returns a new instance of Tool.



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# File 'lib/oekaki.rb', line 8

def initialize
  @window = W
  @drawable = W.window
  @gc = Gdk::GC.new(@drawable)
  @colormap = Gdk::Colormap.system
  @color = Gdk::Color.new(0, 0, 0)
  @fontdesc = Pango::FontDescription.new
  @width, @height = 0, 0
end

Instance Attribute Details

#height ⇒ Object

Returns the value of attribute height.



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# File 'lib/oekaki.rb', line 18

def height
  @height
end

#width ⇒ Object

Returns the value of attribute width.



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# File 'lib/oekaki.rb', line 18

def width
  @width
end

#window ⇒ Object (readonly)

Returns the value of attribute window.



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# File 'lib/oekaki.rb', line 17

def window
  @window
end

Instance Method Details

#arc(fill, x, y, width, height, d1, d2, color = nil) ⇒ Object 



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# File 'lib/oekaki.rb', line 31

def arc(fill, x, y, width, height, d1, d2, color = nil)
  set_color(color)
  @drawable.draw_arc(@gc, fill, x, y, width, height, d1, d2)
end

#circle(fill, x, y, r, color = nil) ⇒ Object 



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# File 'lib/oekaki.rb', line 36

def circle(fill, x, y, r, color = nil)
  arc(fill, x - r, y - r, 2 * r, 2 * r, 0, 64 * 360, color)
end

#clear(color = nil) ⇒ Object 



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# File 'lib/oekaki.rb', line 100

def clear(color = nil)
  set_color(color)
  rectangle(true, 0, 0, @width, @height)
end

#color(r, g, b) ⇒ Object 



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# File 'lib/oekaki.rb', line 20

def color(r, g, b)
  @color = Gdk::Color.new(r, g, b)
  @colormap.alloc_color(@color, false, true)
  @color
end

#get_pic(x, y, width, height) ⇒ Object 



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# File 'lib/oekaki.rb', line 87

def get_pic(x, y, width, height)
  GdkPixbuf::Pixbuf.from_drawable(nil, @drawable, x, y, width, height)
end

#get_window_size ⇒ Object 



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# File 'lib/oekaki.rb', line 105

def get_window_size
  W.size
end

#line(x1, y1, x2, y2, color = nil) ⇒ Object 



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# File 'lib/oekaki.rb', line 45

def line(x1, y1, x2, y2, color = nil)
  set_color(color)
  @drawable.draw_lines(@gc, [[x1, y1], [x2, y2]])
end

#lines(array, color = nil) ⇒ Object 



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# File 'lib/oekaki.rb', line 50

def lines(array, color = nil)
  set_color(color)
  @drawable.draw_lines(@gc, array)
end

#load_pic(filename) ⇒ Object 



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# File 'lib/oekaki.rb', line 75

def load_pic(filename)
  GdkPixbuf::Pixbuf.new(file: filename)
end

#point(x, y, color = nil) ⇒ Object 



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# File 'lib/oekaki.rb', line 40

def point(x, y, color = nil)
  set_color(color)
  @drawable.draw_point(@gc, x, y)
end

#polygon(fill, array, color = nil) ⇒ Object 



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# File 'lib/oekaki.rb', line 55

def polygon(fill, array, color = nil)
  set_color(color)
  @drawable.draw_polygon(@gc, fill, array)
end

#rectangle(fill, x, y, width, height, color = nil) ⇒ Object 



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# File 'lib/oekaki.rb', line 26

def rectangle(fill, x, y, width, height, color = nil)
  set_color(color)
  @drawable.draw_rectangle(@gc, fill, x, y, width, height)
end

#save_pic(img, filename, type = "png") ⇒ Object 



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# File 'lib/oekaki.rb', line 79

def save_pic(img, filename, type = "png")
  img.save(filename, type)
end

#show_pic(img, x, y) ⇒ Object 



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# File 'lib/oekaki.rb', line 83

def show_pic(img, x, y)
  @drawable.draw_pixbuf(@gc, img, 0, 0, x, y, img.width, img.height, Gdk::RGB::DITHER_NONE, 0, 0)
end

#star(fill, x1, y1, x2, y2, color = nil) ⇒ Object 



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# File 'lib/oekaki.rb', line 95

def star(fill, x1, y1, x2, y2, color = nil)
  set_color(color)
  Star.new(fill, x1, y1, x2, y2, @color).draw
end

#text(str, x, y, size, color = nil) ⇒ Object 



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# File 'lib/oekaki.rb', line 60

def text(str, x, y, size, color = nil)
  set_color(color)
  @fontdesc.set_size(size)
  layout = Pango::Layout.new(W.pango_context)
  layout.font_description = @fontdesc
  layout.text = str
  @drawable.draw_layout(@gc, x, y, layout)
end

#timer_stop(id) ⇒ Object 



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# File 'lib/oekaki.rb', line 91

def timer_stop(id)
  Gtk.timeout_remove(id)
end