/** \brief Change the Image in a Picture Widget * */ int UI_Lua::setPicture(lua_State *L){ int n = lua_gettop(L); // Number of arguments if (n == 2){ Picture* pic = (Picture*)checkWidget(L,1); luaL_argcheck(L, pic->GetMask() & WIDGET_PICTURE, 1, "`Picture' expected."); string picname = luaL_checkstring (L, 2); pic->Set( picname ); } else { luaL_error(L, "Got %d arguments expected 2 (self, picname)", n); } return 0; }
/** \brief Rotate a Picture Widget * */ int UI_Lua::rotatePicture(lua_State *L){ int n = lua_gettop(L); // Number of arguments if (n != 2) return luaL_error(L, "Got %d arguments expected 2 (self, angle )", n); Picture* pic = (Picture*)checkWidget(L,1); luaL_argcheck(L, pic->GetMask() & WIDGET_PICTURE, 1, "`Picture' expected."); double angle = luaL_checknumber (L, 2); pic->Rotate(angle); return 1; }
/** \brief Change the Background of a Picture Widget * */ int UI_Lua::setBackground(lua_State *L){ int n = lua_gettop(L); // Number of arguments if ((n == 4) || (n == 5)){ Picture* pic = (Picture*)checkWidget(L,1); luaL_argcheck(L, pic->GetMask() & WIDGET_PICTURE, 1, "`Picture' expected."); float r = luaL_checknumber (L, 2); float g = luaL_checknumber (L, 3); float b = luaL_checknumber (L, 4); float a = pic->GetAlpha(); if( n == 5 ) { a = luaL_checknumber (L, 5); } pic->SetColor( r, g, b, a ); } else { luaL_error(L, "Got %d arguments expected 2 (self, picname)", n); } return 0; }