Method createElement

src/components/ThemeComponent.cpp:255–306

takes an XML element definition and creates an object from it

//takes an XML element definition and creates an object from it
GuiComponent* ThemeComponent::createElement(pugi::xml_node data, GuiComponent* parent)
{
	std::string type = data.child("type").text().get();

	if(type == "image")
	{
		std::string path = expandPath(data.child("path").text().get());

		if(!boost::filesystem::exists(path))
		{
			LOG(LogError) << "Error - theme image \"" << path << "\" does not exist.";
			return NULL;
		}

		std::string pos = data.child("pos").text().get();
		std::string dim = data.child("dim").text().get();
		std::string origin = data.child("origin").text().get();

		bool tiled = data.child("tiled") != 0;

		//split position and dimension information
		std::string posX, posY;
		splitString(pos, ' ', &posX, &posY);

		std::string dimW, dimH;
		splitString(dim, ' ', &dimW, &dimH);

		std::string originX, originY;
		splitString(origin, ' ', &originX, &originY);

		//resolve to pixels from percentages/variables
		float x = resolveExp(posX) * Renderer::getScreenWidth();
		float y = resolveExp(posY) * Renderer::getScreenHeight();
		float w = resolveExp(dimW) * Renderer::getScreenWidth();
		float h = resolveExp(dimH) * Renderer::getScreenHeight();

		float ox = strToFloat(originX);
		float oy = strToFloat(originY);

		ImageComponent* comp = new ImageComponent(mWindow, x, y, "", w, h, true);
		comp->setOrigin(ox, oy);
		comp->setTiling(tiled);
		comp->setImage(path);

		addChild(comp);
		return comp;
	}


	LOG(LogError) << "Theme component type \"" << type << "\" unknown!";
	return NULL;
}

//expands a file path (./ becomes the directory of this theme file, ~/ becomes $HOME/)
std::string ThemeComponent::expandPath(std::string path)