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luaengine: optional text color for to draw_text()

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draw_text() now accepts an optional fourth parameter to specify
text color, in ARGB format.

Signed-off-by: Luca Bruno <lucab@debian.org>
This commit is contained in:
Luca Bruno 2015-04-20 17:08:42 +02:00
parent d1436e698a
commit a70514fc32
1 changed files with 6 additions and 2 deletions
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8
src/emu/luaengine.c
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@ -707,6 +707,7 @@ int lua_engine::lua_screen::l_draw_text(lua_State *L)
luaL_argcheck(L, lua_isnumber(L, 2), 2, "x (integer) expected");
luaL_argcheck(L, lua_isnumber(L, 3), 3, "y (integer) expected");
luaL_argcheck(L, lua_isstring(L, 4), 4, "message (string) expected");
luaL_argcheck(L, lua_isinteger(L, 5) || lua_isnone(L, 5), 5, "optional argument: text color, integer expected (default: 0xffffffff)");
// retrieve all parameters
int sc_width = sc->visible_area().width();
@ -714,13 +715,16 @@ int lua_engine::lua_screen::l_draw_text(lua_State *L)
float x = MIN(MAX(0, lua_tonumber(L, 2)), sc_width-1) / static_cast<float>(sc_width);
float y = MIN(MAX(0, lua_tonumber(L, 3)), sc_height-1) / static_cast<float>(sc_height);
const char *msg = luaL_checkstring(L,4);
// TODO: add optional parameters (colors, etc.)
rgb_t textcolor = UI_TEXT_COLOR;
if (!lua_isnone(L, 5)) {
textcolor = rgb_t(lua_tounsigned(L, 5));
}
// draw the text
render_container &rc = sc->container();
ui_manager &ui = sc->machine().ui();
ui.draw_text_full(&rc, msg, x, y , (1.0f - x),
JUSTIFY_LEFT, WRAP_WORD, DRAW_NORMAL, UI_TEXT_COLOR,
JUSTIFY_LEFT, WRAP_WORD, DRAW_NORMAL, textcolor,
UI_TEXT_BG_COLOR, NULL, NULL);
return 0;