1Skia Lua Bindings 2================= 3 4**Warning: The following has only been tested on Mac and Linux, but it will 5likely work for any Unix.** 6 7Prerequisites 8------------- 9 10This assumes you already have Skia building normally. If not, refer to [How to 11build Skia](../build). 12 13Build 14----- 15 16To build Lua support into Skia tools, set the GN argument `skia_use_lua` to `true`. 17Optionally, set `skia_use_system_lua`. Then re-run GN. 18 19 20Try It Out 21---------- 22 23The tools `lua_app` and `lua_pictures` should now be available when you compile, 24and `Viewer` should now have a `Lua` sample. 25 26 27To-Do 28----- 29 30Skia had a feature that let it be imported as an .so by Lua. 31This feature is not yet supported by GN, but would have looked something like this: 32 33 $ lua 34 35 Lua 5.2.0 Copyright (C) 1994-2011 Lua.org, PUC-Rio 36 > require 'skia' 37 > paint = Sk.newPaint() 38 > paint:setColor{a=1, r=1, g=0, b=0} 39 > doc = Sk.newDocumentPDF('test.pdf') 40 > canvas = doc:beginPage(72*8.5, 72*11) 41 > canvas:drawText('Hello Lua', 300, 300, paint) 42 > doc:close() 43