int w_newRasterizer(lua_State *L)
{
if (lua_type(L, 1) == LUA_TNUMBER || lua_type(L, 2) == LUA_TNUMBER || lua_isnone(L, 1))
{
// First or second argument is a number: call newTrueTypeRasterizer.
return w_newTrueTypeRasterizer(L);
}
else if (lua_isnoneornil(L, 2))
{
// Single argument of another type: call Font::newRasterizer.
Rasterizer *t = nullptr;
filesystem::FileData *d = filesystem::luax_getfiledata(L, 1);
luax_catchexcept(L,
[&]() { t = instance()->newRasterizer(d); },
[&](bool) { d->release(); }
);
luax_pushtype(L, FONT_RASTERIZER_ID, t);
t->release();
return 1;
}
else
{
// Otherwise call newBMFontRasterizer.
return w_newBMFontRasterizer(L);
}
}
int w_newImageRasterizer(lua_State *L)
{
Rasterizer *t = nullptr;
convimagedata(L, 1);
image::ImageData *d = luax_checktype<image::ImageData>(L, 1, IMAGE_IMAGE_DATA_ID);
std::string glyphs = luax_checkstring(L, 2);
int extraspacing = (int) luaL_optnumber(L, 3, 0);
luax_catchexcept(L, [&](){ t = instance()->newImageRasterizer(d, glyphs, extraspacing); });
luax_pushtype(L, FONT_RASTERIZER_ID, t);
t->release();
return 1;
}
int w_newTrueTypeRasterizer(lua_State *L)
{
Rasterizer *t = nullptr;
TrueTypeRasterizer::Hinting hinting = TrueTypeRasterizer::HINTING_NORMAL;
if (lua_type(L, 1) == LUA_TNUMBER || lua_isnone(L, 1))
{
// First argument is a number: use the default TrueType font.
int size = (int) luaL_optnumber(L, 1, 12);
const char *hintstr = lua_isnoneornil(L, 2) ? nullptr : luaL_checkstring(L, 2);
if (hintstr && !TrueTypeRasterizer::getConstant(hintstr, hinting))
return luaL_error(L, "Invalid TrueType font hinting mode: %s", hintstr);
luax_catchexcept(L, [&](){ t = instance()->newTrueTypeRasterizer(size, hinting); });
}
else
{
love::Data *d = nullptr;
if (luax_istype(L, 1, DATA_ID))
d = luax_checkdata(L, 1);
else
d = filesystem::luax_getfiledata(L, 1);
int size = (int) luaL_optnumber(L, 2, 12);
const char *hintstr = lua_isnoneornil(L, 3) ? nullptr : luaL_checkstring(L, 3);
if (hintstr && !TrueTypeRasterizer::getConstant(hintstr, hinting))
return luaL_error(L, "Invalid TrueType font hinting mode: %s", hintstr);
luax_catchexcept(L,
[&]() { t = instance()->newTrueTypeRasterizer(d, size, hinting); },
[&](bool) { d->release(); }
);
}
luax_pushtype(L, FONT_RASTERIZER_ID, t);
t->release();
return 1;
}
int w_newBMFontRasterizer(lua_State *L)
{
Rasterizer *t = nullptr;
filesystem::FileData *d = filesystem::luax_getfiledata(L, 1);
std::vector<image::ImageData *> images;
if (lua_istable(L, 2))
{
for (int i = 1; i <= (int) luax_objlen(L, 2); i++)
{
lua_rawgeti(L, 2, i);
convimagedata(L, -1);
image::ImageData *id = luax_checktype<image::ImageData>(L, -1, IMAGE_IMAGE_DATA_ID);
images.push_back(id);
id->retain();
lua_pop(L, 1);
}
}
else
{
for (int i = 2; i <= lua_gettop(L); i++)
{
convimagedata(L, i);
image::ImageData *id = luax_checktype<image::ImageData>(L, i, IMAGE_IMAGE_DATA_ID);
images.push_back(id);
id->retain();
}
}
luax_catchexcept(L,
[&]() { t = instance()->newBMFontRasterizer(d, images); },
[&](bool) { d->release(); for (auto id : images) id->release(); }
);
luax_pushtype(L, FONT_RASTERIZER_ID, t);
t->release();
return 1;
}
