| Language: |
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| Pastebin: | 92232 |
| Author: | Anonymous |
| Subject: | Untitled |
| Created: | 2008-07-22 16:56:31 |
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| 1 | -- global table of methods and Image-related functions
| | 2 | Image = {}
| | 3 | -- constructor
| | 4 | function Image.new(x,y) ... end
| | 5 | -- a member function
| | 6 | function Image:color_allocate(r,g,b) ... end
| | 7 | -- the rest go here
| | 8 |
| | 9 |
| | 10 | -- metatable for images
| | 11 | local image_mt = {}
| | 12 | -- refer lookups to the global table of methods
| | 13 | image_mt.__index = Image
| | 14 | -- don't let people play with the metatable
| | 15 | image_mt.__metatable = Image
| | 16 | -- garbage collection
| | 17 | function image_mt:__gc() ... end
| | 18 | -- stringification
| | 19 | function image_mt:__tostring() return ("image: "..self.width.."x"..self.height) end
| | 20 |
| | 21 | -- now, if we want an Image, we just create the userdata
| | 22 | -- and then use setmetatable() to associate image_mt with it
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