int LuaFonts::WrapText(lua_State* L)
{
CglFont* font = tofont(L, 1);
string text(luaL_checkstring(L, 2),lua_strlen(L, 2));
const float maxWidth = luaL_checkfloat(L, 3);
const float maxHeight = luaL_optfloat(L, 4, 1e9);
const float size = luaL_optfloat(L, 5, font->GetSize());
const int lines = font->WrapInPlace(text,size,maxWidth,maxHeight);
lua_pushsstring(L, text);
lua_pushnumber(L, lines);
return 2;
}
int LuaFonts::SetOutlineColor(lua_State* L)
{
CglFont* font = tofont(L, 1);
const int args = lua_gettop(L); // number of arguments
if (args < 2) {
luaL_error(L, "Incorrect arguments to font:SetOutlineColor([\"outlineColor\"])");
}
float4* color = NULL;
if (lua_istable(L, 2)) {
color = new float4;
const int count = ParseFloatArray(L, 2, *color, 4);
if (count < 3) {
luaL_error(L, "Incorrect arguments to font:SetOutlineColor([\"outlineColor\"])");
}
if (count == 3) {
color->w = 1.0f;
}
} else if (args >= 4) {
color = new float4;
color->x = lua_tonumber(L, 2);
color->y = lua_tonumber(L, 3);
color->z = lua_tonumber(L, 4);
color->w = luaL_optfloat(L, 5, 1.0f);
} else if (!lua_isnil(L, 2)) {
luaL_error(L, "Incorrect arguments to font:SetOutlineColor([\"outlineColor\"])");
}
font->SetOutlineColor(color);
delete color;
return 0;
}
int LuaFonts::WrapText(lua_State* L)
{
CglFont* font = tofont(L, 1);
const int args = lua_gettop(L); // number of arguments
if ((args < 3) || !lua_isstring(L, 2) || !lua_isnumber(L, 3)) {
luaL_error(L, "Incorrect arguments to font:WrapText(\"text\", maxWidth, [maxHeight], [size])");
}
string text(lua_tostring(L, 2),lua_strlen(L, 2));
const float maxWidth = lua_tonumber(L, 3);
const float maxHeight = luaL_optfloat(L, 4, 1e9);
const float size = luaL_optfloat(L, 5, font->GetSize());
const int lines = font->WrapInPlace(text,size,maxWidth,maxHeight);
lua_pushlstring(L, text.c_str(), text.length());
lua_pushnumber(L, lines);
return 2;
}
int LuaFonts::Print(lua_State* L)
{
CheckDrawingEnabled(L, __FUNCTION__);
const int args = lua_gettop(L); // number of arguments
if ((args < 4) ||
!lua_isstring(L, 2) || !lua_isnumber(L, 3) || !lua_isnumber(L, 4)) {
luaL_error(L,
"Incorrect arguments to font:Print(msg, x, y [,size [,\"options\"] ]");
}
CglFont* font = tofont(L, 1);
const string text(lua_tostring(L, 2),lua_strlen(L, 2));
const float x = lua_tonumber(L, 3);
const float y = lua_tonumber(L, 4);
const float size = luaL_optfloat(L, 5, font->GetSize());
int options = FONT_NEAREST;
if ((args >= 6) && lua_isstring(L, 6)) {
const char* c = lua_tostring(L, 6);
while (*c != 0) {
switch (*c) {
case 'c': { options |= FONT_CENTER; break; }
case 'r': { options |= FONT_RIGHT; break; }
case 'a': { options |= FONT_ASCENDER; break; }
case 't': { options |= FONT_TOP; break; }
case 'v': { options |= FONT_VCENTER; break; }
case 'x': { options |= FONT_BASELINE; break; }
case 'b': { options |= FONT_BOTTOM; break; }
case 'd': { options |= FONT_DESCENDER; break; }
case 's': { options |= FONT_SHADOW; break; }
case 'o':
case 'O': { options |= FONT_OUTLINE; break; }
case 'n': { options ^= FONT_NEAREST; break; }
}
c++;
}
}
font->glPrint(x, y, size, options, text);
return 0;
}
int LuaFonts::LoadFont(lua_State* L)
{
const string fileName = lua_tostring(L, 1);
const int size = luaL_optint(L, 2, 14);
const int outlineWidth = luaL_optint(L, 3, 2);
const float outlineWeight = luaL_optfloat(L, 4, 15.0f);
CglFont** font = (CglFont**)lua_newuserdata(L, sizeof(CglFont*));
*font = CglFont::LoadFont(fileName,size,outlineWidth,outlineWeight);
if (*font == NULL) {
lua_pop(L, 1);
return 0;
}
luaL_getmetatable(L, "Font");
lua_setmetatable(L, -2);
return 1;
}
