Class: RubySprites::GraphicsManager::Gd2

Inherits:
RubySprites::GraphicsManager show all
Defined in:
lib/lash-sprites/graphics_manager/gd2.rb

Constant Summary collapse

DESCRIPTION = 
'GD2'

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.availible? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lash-sprites/graphics_manager/gd2.rb', line 9

def self.availible?
  begin
    require 'rubygems'
    require 'gd2'
  rescue LoadError
    return false
  end

  return true
end

Instance Method Details

#combine(images, width, height) ⇒ Object 



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# File 'lib/lash-sprites/graphics_manager/gd2.rb', line 20

def combine(images, width, height)
  image = GD2::Image.new(width, height)
  images.each do |path, img|
    next unless img.exists?
    i = GD2::Image.import(@sprite.file_root + path)
    w = width - img.x
    w = img.width if img.width < w
    h = height - img.y
    h = img.height if img.height < h
    image.copy_from(i, img.x, img.y, 0, 0, w, h)
    i = nil
  end
  image.export(@sprite.image_file)
end

#get_info(path) ⇒ Object 



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# File 'lib/lash-sprites/graphics_manager/gd2.rb', line 35

def get_info(path)
  img = GD2::Image.import(@sprite.file_root + path)
  info = {:width => img.width, :height => img.height}
  img = nil
  return info
end