Exemple #1
0
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);
	}
}
Exemple #2
0
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;
}
Exemple #3
0
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;
}
Exemple #4
0
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;
}