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Make ImageData:setPixel accept a table (issue #582)

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This commit is contained in:
Bart van Strien
2013-05-10 17:28:55 +02:00
parent fb8a94a4a3
commit 402ae4638a
1 changed files with 21 additions and 4 deletions
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src/modules/image/wrap_ImageData.cpp
+21 -4
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@@ -82,10 +82,27 @@ int w_ImageData_setPixel(lua_State *L)
int x = luaL_checkint(L, 2);
int y = luaL_checkint(L, 3);
pixel c;
c.r = luaL_checkint(L, 4);
c.g = luaL_checkint(L, 5);
c.b = luaL_checkint(L, 6);
c.a = luaL_optint(L, 7, 255);
if (lua_istable(L, 4))
{
for (int i = 1; i <= 4; i++)
lua_rawgeti(L, 4, i);
c.r = (unsigned char)luaL_checkint(L, -4);
c.g = (unsigned char)luaL_checkint(L, -3);
c.b = (unsigned char)luaL_checkint(L, -2);
c.a = (unsigned char)luaL_optint(L, -1, 255);
lua_pop(L, 4);
}
else
{
c.r = (unsigned char)luaL_checkint(L, 4);
c.g = (unsigned char)luaL_checkint(L, 5);
c.b = (unsigned char)luaL_checkint(L, 6);
c.a = (unsigned char)luaL_optint(L, 7, 255);
}
try
{
t->setPixel(x, y, c);