多个IconSet合并成一个

喵呜喵5

插入脚本，图片扔到游戏目录下的ICO文件夹中，文件名用英文或者数字，运行游戏，之后游戏目录下会生成合并好的文件

1. # PNG 保存 (ＣＡＣＡＯ http://cacaosoft.web.fc2.com/)
   
2. class Bitmap
   
3.   def save_png(filename, alpha = false)
   
4.     sgnt = "\x89PNG\r\n\x1a\n"
   
5.     ihdr = _chunk('IHDR', [width,height,8,(alpha ? 6 : 2),0,0,0].pack('N2C5'))
   
6.     data = []
   
7.     height.times do |y|
   
8.       data << 0
   
9.       width.times do |x|
   
10.         color = self.get_pixel(x, y)
    
11.         data << color.red << color.green << color.blue
    
12.         data << color.alpha if alpha
    
13.       end
    
14.     end
    
15.     idat = _chunk('IDAT', Zlib::Deflate.deflate(data.pack('C*')))
    
16.     iend = _chunk('IEND', "")
    
17.     File.open(filename, 'wb') do |file|
    
18.       file.write(sgnt)
    
19.       file.write(ihdr)
    
20.       file.write(idat)
    
21.       file.write(iend)
    
22.     end
    
23.   end
    
24. private
    
25.   def _chunk(name, data)
    
26.     return [data.size, name, data, Zlib.crc32(name + data)].pack('NA4A*N')
    
27.   end
    
28. end
    
29. def conv_2_24(num)
    
30.   loop do
    
31.     break if num % 24 == 0
    
32.     num += 1
    
33.   end
    
34.   return num
    
35. end
    
36. path = "ICO"
    
37. bitmap_list = []
    
38. Dir.foreach(path) do |file|
    
39.   filename = path + "/" + file  
    
40.   if FileTest.file?(filename)
    
41.     bitmap_list << Bitmap.new(filename)
    
42.   end
    
43. end
    
44. height = 0
    
45. bitmap_list.each {|bitmap| height += bitmap.height }
    
46. height = conv_2_24(height)
    
47. final_file = Bitmap.new(384,height)
    
48. pos = 0
    
49. bitmap_list.each do |bitmap|
    
50.   pos = conv_2_24(pos)  
    
51.   rect = Rect.new(0,0,bitmap.width,bitmap.height)
    
52.   final_file.blt(0, pos, bitmap, rect)
    
53.   pos += bitmap.height
    
54. end
    
55. final_file.save_png("IconSet.png", true)
    
56. exit
    

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