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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*/
#include "gui/theme.h"
#include "common/file.h"
#include "common/archive.h"
#include "common/unzip.h"
namespace GUI {
Theme::Theme() : _loadedThemeX(0), _loadedThemeY(0) {}
Theme::~Theme() {}
const Graphics::Font *Theme::loadFontFromArchive(const Common::String &filename) {
Common::Archive *arch = 0;
const Graphics::NewFont *font = 0;
if (getThemeFileName().hasSuffix(".zip")) {
#ifdef USE_ZLIB
Common::ZipArchive *zip = new Common::ZipArchive(getThemeFileName());
if (!zip || !zip->isOpen())
return 0;
arch = zip;
#else
return 0;
#endif
} else {
Common::FSDirectory *dir = new Common::FSDirectory(getThemeFileName());
if (!dir || !dir->getFSNode().isDirectory())
return 0;
arch = dir;
}
Common::SeekableReadStream *stream(arch->openFile(filename));
if (stream) {
font = Graphics::NewFont::loadFromCache(*stream);
delete stream;
}
delete arch;
return font;
}
const Graphics::Font *Theme::loadFont(const Common::String &filename) {
const Graphics::Font *font = 0;
Common::String cacheFilename = genCacheFilename(filename.c_str());
Common::File fontFile;
if (!cacheFilename.empty()) {
if (fontFile.open(cacheFilename))
font = Graphics::NewFont::loadFromCache(fontFile);
if (font)
return font;
if ((font = loadFontFromArchive(cacheFilename)))
return font;
}
// normal open
if (fontFile.open(filename)) {
font = Graphics::NewFont::loadFont(fontFile);
}
if (!font) {
font = loadFontFromArchive(filename);
}
if (font) {
if (!cacheFilename.empty()) {
if (!Graphics::NewFont::cacheFontData(*(const Graphics::NewFont*)font, cacheFilename)) {
warning("Couldn't create cache file for font '%s'", filename.c_str());
}
}
}
return font;
}
Common::String Theme::genCacheFilename(const char *filename) {
Common::String cacheName(filename);
for (int i = cacheName.size() - 1; i >= 0; --i) {
if (cacheName[i] == '.') {
while ((uint)i < cacheName.size() - 1) {
cacheName.deleteLastChar();
}
cacheName += "fcc";
return cacheName;
}
}
return "";
}
bool Theme::isThemeLoadingRequired() {
int x = g_system->getOverlayWidth(), y = g_system->getOverlayHeight();
if (_loadedThemeX == x && _loadedThemeY == y)
return false;
_loadedThemeX = x;
_loadedThemeY = y;
return true;
}
bool Theme::themeConfigParseHeader(Common::String header, Common::String &themeName) {
header.trim();
if (header.empty())
return false;
if (header[0] != '[' || header.lastChar() != ']')
return false;
header.deleteChar(0);
header.deleteLastChar();
Common::StringTokenizer tok(header, ":");
if (tok.nextToken() != SCUMMVM_THEME_VERSION_STR)
return false;
themeName = tok.nextToken();
Common::String author = tok.nextToken();
return tok.empty();
}
bool Theme::themeConfigUseable(const Common::FSNode &node, Common::String &themeName) {
Common::File stream;
bool foundHeader = false;
if (node.getName().hasSuffix(".zip")) {
#ifdef USE_ZLIB
Common::ZipArchive zipArchive(node);
if (zipArchive.hasFile("THEMERC")) {
stream.open("THEMERC", zipArchive);
}
#endif
} else if (node.isDirectory()) {
Common::FSNode headerfile = node.getChild("THEMERC");
if (!headerfile.exists() || !headerfile.isReadable() || headerfile.isDirectory())
return false;
stream.open(headerfile);
}
if (stream.isOpen()) {
Common::String stxHeader = stream.readLine();
foundHeader = themeConfigParseHeader(stxHeader, themeName);
}
return foundHeader;
}
} // End of namespace GUI
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