/**********************************************************
 * Theme setup/initialization
 *********************************************************/
bool ThemeEngine::init() {
	// reset everything and reload the graphics
	_initOk = false;
	_overlayFormat = _system->getOverlayFormat();
	setGraphicsMode(_graphicsMode);

	if (_screen.pixels && _backBuffer.pixels) {
		_initOk = true;
	}

	// TODO: Instead of hard coding the font here, it should be possible
	// to specify the fonts to be used for each resolution in the theme XML.
	if (_screen.w >= 400 && _screen.h >= 300) {
		_font = FontMan.getFontByUsage(Graphics::FontManager::kBigGUIFont);
	} else {
		_font = FontMan.getFontByUsage(Graphics::FontManager::kGUIFont);
	}

	// Try to create a Common::Archive with the files of the theme.
	if (!_themeArchive && !_themeFile.empty()) {
		Common::FSNode node(_themeFile);
		if (node.isDirectory()) {
			_themeArchive = new Common::FSDirectory(node);
		} else if (_themeFile.matchString("*.zip", true)) {
			// TODO: Also use "node" directly?
			// Look for the zip file via SearchMan
			Common::ArchiveMemberPtr member = SearchMan.getMember(_themeFile);
			if (member) {
				_themeArchive = Common::makeZipArchive(member->createReadStream());
				if (!_themeArchive) {
					warning("Failed to open Zip archive '%s'.", member->getDisplayName().c_str());
				}
			} else {
				_themeArchive = Common::makeZipArchive(node);
				if (!_themeArchive) {
					warning("Failed to open Zip archive '%s'.", node.getPath().c_str());
				}
			}
		}
	}

	// Load the theme
	// We pass the theme file here by default, so the user will
	// have a descriptive error message. The only exception will
	// be the builtin theme which has no filename.
	loadTheme(_themeFile.empty() ? _themeId : _themeFile);

	return ready();
}

static GLES8888Texture *loadBuiltinTexture(const char *filename) {
	Common::ArchiveMemberPtr member = SearchMan.getMember(filename);
	Common::SeekableReadStream *str = member->createReadStream();
	Graphics::TGADecoder dec;
	dec.loadStream(*str);
	const void *pixels = dec.getSurface()->getPixels();

	GLES8888Texture *ret = new GLES8888Texture();
	uint16 w = dec.getSurface()->w;
	uint16 h = dec.getSurface()->h;
	uint16 pitch = dec.getSurface()->pitch;
	ret->allocBuffer(w, h);
	ret->updateBuffer(0, 0, w, h, pixels, pitch);

	delete str;
	return ret;
}

Common::SeekableReadStream *BaseFileManager::openPkgFile(const Common::String &filename) {
	Common::String upcName = filename;
	upcName.toUppercase();
	Common::SeekableReadStream *file = nullptr;

	// correct slashes
	for (uint32 i = 0; i < upcName.size(); i++) {
		if (upcName[(int32)i] == '/') {
			upcName.setChar('\\', (uint32)i);
		}
	}
	Common::ArchiveMemberPtr entry = _packages.getMember(upcName);
	if (!entry) {
		return nullptr;
	}
	file = entry->createReadStream();
	return file;
}

Common::SeekableReadStream *BaseFileManager::openPkgFile(const Common::String &filename) {
	Common::String upcName = filename;
	upcName.toUppercase();
	Common::SeekableReadStream *file = NULL;
	char fileName[MAX_PATH_LENGTH];
	strcpy(fileName, upcName.c_str());

	// correct slashes
	for (uint32 i = 0; i < upcName.size(); i++) {
		if (upcName[(int32)i] == '/') {
			upcName.setChar('\\', (uint32)i);
		}
	}
	Common::ArchiveMemberPtr entry = _packages.getMember(upcName);
	if (!entry) {
		return NULL;
	}
	file = entry->createReadStream();
	return file;
}

	bool operator()(const Common::ArchiveMemberPtr &l, const Common::ArchiveMemberPtr &r) {
		return (l->getName().compareToIgnoreCase(r->getName()) > 0);
	}