forked from enlightenment/efl
elua: bindings for eina_tiler plus iterator improvements
This commit is contained in:
Daniel Kolesa
Daniel Kolesa
parent
6fe5d100f0
commit
258b6347b7
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@ -35,7 +35,7 @@ ffi.metatype("Eina_Iterator", {
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next = function(self)
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local data = ffi.new("void*[1]")
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local r = eina.eina_iterator_next(self, data)
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if r == 0 then return nil end
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if r == nil then return nil end
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return data[0]
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end,
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lock = function(self) return eina.eina_iterator_lock (self) == 1 end,
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@ -47,16 +47,16 @@ cutil.init_module(init, shutdown)
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M.Iterator = util.Object:clone {
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__ctor = function(self, iter)
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self.__iterator = iter
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if self.__iterator then
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ffi.gc(self.__iterator, self.__iterator.free)
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end
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-- prevent null stuff
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if iter == nil then iter = nil end
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if iter then ffi.gc(iter, iter.free) end
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self.__eq = function(self, other)
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return self.__iterator == other.__iterator
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end
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self.__call = function(self)
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return self:next()
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end
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self.__iterator = iter
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end,
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free = function(self)
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@ -0,0 +1,161 @@
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-- EFL LuaJIT bindings: Eina (tiler module)
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-- For use with Elua
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local ffi = require("ffi")
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local C = ffi.C
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local iterator = require("eina.iterator")
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require("eina.rectangle")
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ffi.cdef [[
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typedef struct _Eina_Tiler Eina_Tiler;
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typedef struct _Eina_Tile_Grid_Info {
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unsigned long col, row;
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Eina_Rectangle rect;
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Eina_Bool full;
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} Eina_Tile_Grid_Info;
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typedef sruct_Eina_Tile_Grid_Slicer {
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unsigned long col1, col2, row1, row2;
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int tile_w, tile_h;
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int x_rel, y_rel;
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int w1_rel, h1_rel;
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int w2_rel, h2_rel;
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Eina_Tile_Grid_Info info;
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Eina_Bool first;
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} Eina_Tile_Grid_Slicer;
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typedef unsigned char Eina_Bool;
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Eina_Tiler *eina_tiler_new(int w, int h);
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void eina_tiler_free(Eina_Tiler *t);
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void eina_tiler_tile_size_set(Eina_Tiler *t, int w, int h);
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void eina_tiler_area_size_set(Eina_Tiler *t, int w, int h);
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void eina_tiler_area_size_get(const Eina_Tiler *t, int *w, int *h);
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void eina_tiler_strict_set(Eina_Tiler *t, Eina_Bool strict);
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Eina_Bool eina_tiler_empty(Eina_Tiler *t);
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Eina_Bool eina_tiler_rect_add(Eina_Tiler *t, const Eina_Rectangle *r);
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void eina_tiler_rect_del(Eina_Tiler *t, const Eina_Rectangle *r);
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void eina_tiler_clear(Eina_Tiler *t);
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Eina_Iterator *eina_tiler_iterator_new(const Eina_Tiler *t);
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Eina_Iterator *eina_tile_grid_slicer_iterator_new(int x, int y, int w, int h, int tile_w, int tile_h);
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]]
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local cutil = require("cutil")
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local util = require("util")
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local M = {}
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local eina
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local init = function()
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eina = util.lib_load("eina")
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end
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local shutdown = function()
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util.lib_unload("eina")
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end
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cutil.init_module(init, shutdown)
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local Iterator = iterator.Iterator
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M.Tiler_Iterator = Iterator:clone {
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__ctor = function(self, tiler)
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return Iterator.__ctor(self, eina.eina_tiler_iterator_new(tiler))
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end,
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next = function(self)
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local v = Iterator.next(self)
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if not v then return nil end
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return ffi.cast("Eina_Rectangle*", v)
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end
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}
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M.Grid_Slicer_Iterator = Iterator:clone {
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__ctor = function(self, x, y, w, h, tile_w, tile_h)
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return Iterator.__ctor(self, eina.eina_tile_grid_slicer_iterator_new(
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x, y, w, h, tile_w, tile_h))
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end,
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next = function(self)
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local v = Iterator.next(self)
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if not v then return nil end
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return ffi.cast("Eina_Tile_Grid_Info*", v)
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end
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}
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M.Tiler = ffi.metatype("Eina_Tiler", {
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__new = function(self, w, h)
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return ffi.gc(eina.eina_tiler_new(w, h), self.free)
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end,
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__index = {
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free = function(self) eina.eina_tiler_free(ffi.gc(self, nil)) end,
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tile_size_set = function(self, w, h)
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eina.eina_tiler_tile_size_set(self, w, h)
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end,
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area_size_set = function(self, w, h)
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eina.eina_tiler_area_sie_set(self, w, h)
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end,
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area_size_get = function(self)
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local w, h = ffi.new("int[1]"), ffi.new("int[2]")
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eina.eina_tiler_area_size_get(self, w, h)
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return w[0], h[0]
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end,
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strict_set = function(self, strict)
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eina.eina_tiler_strict_set(self, strict)
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end,
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is_empty = function(self)
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return eina.eina_tiler_empty(self) == 1
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end,
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rect_add = function(self, r)
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return eina.eina_tiler_rect_add(self, r) == 1
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end,
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rect_del = function(self, r)
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eina.eina_tiler_rect_del(self, r)
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end,
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clear = function(self) eina.eina_tiler_clear(self) end,
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each = function(self)
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return M.Tiler_Iterator(self)
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end,
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Iterator = M.Tiler_Iterator
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}
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})
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M.Tile_Grid_Slicer = ffi.metatype("Eina_Tile_Grid_Slicer", {
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__index = {
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setup = function(self, x, y, w, h, tile_w, tile_h)
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return eina.eina_tile_grid_slicer_setup(x, y, w, h,
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tile_w, tile_h) == 1
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end,
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next = function(self)
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local info = ffi.new("Eina_Tile_Grid_Info*[1]")
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if eina.eina_tile_grid_slicer_next(self, info) == 0 then
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return nil
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end
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return info[0]
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end,
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each = function(self)
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return function()
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return self:next()
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end
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end,
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Iterator = M.Grid_Slicer_Iterator
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}
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})
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return M
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