155 lines
4.1 KiB
C++
155 lines
4.1 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*/
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#include "gui/theme.h"
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#include "gui/eval.h"
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#include "common/unzip.h"
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namespace GUI {
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Theme::Theme() : _loadedThemeX(0), _loadedThemeY(0) {}
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Theme::~Theme() {}
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const Graphics::Font *Theme::loadFont(const char *filename) {
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const Graphics::NewFont *font = 0;
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Common::String cacheFilename = genCacheFilename(filename);
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Common::File fontFile;
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if (!cacheFilename.empty()) {
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if (fontFile.open(cacheFilename))
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font = Graphics::NewFont::loadFromCache(fontFile);
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if (font)
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return font;
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#ifdef USE_ZLIB
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unzFile zipFile = unzOpen((getThemeFileName() + ".zip").c_str());
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if (zipFile && unzLocateFile(zipFile, cacheFilename.c_str(), 2) == UNZ_OK) {
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unz_file_info fileInfo;
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unzOpenCurrentFile(zipFile);
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unzGetCurrentFileInfo(zipFile, &fileInfo, NULL, 0, NULL, 0, NULL, 0);
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uint8 *buffer = new uint8[fileInfo.uncompressed_size+1];
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assert(buffer);
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memset(buffer, 0, (fileInfo.uncompressed_size+1)*sizeof(uint8));
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unzReadCurrentFile(zipFile, buffer, fileInfo.uncompressed_size);
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unzCloseCurrentFile(zipFile);
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Common::MemoryReadStream stream(buffer, fileInfo.uncompressed_size+1);
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font = Graphics::NewFont::loadFromCache(stream);
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delete[] buffer;
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buffer = 0;
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}
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unzClose(zipFile);
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#endif
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if (font)
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return font;
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}
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// normal open
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if (fontFile.open(filename)) {
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font = Graphics::NewFont::loadFont(fontFile);
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}
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#ifdef USE_ZLIB
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if (!font) {
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unzFile zipFile = unzOpen((getThemeFileName() + ".zip").c_str());
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if (zipFile && unzLocateFile(zipFile, filename, 2) == UNZ_OK) {
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unz_file_info fileInfo;
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unzOpenCurrentFile(zipFile);
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unzGetCurrentFileInfo(zipFile, &fileInfo, NULL, 0, NULL, 0, NULL, 0);
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uint8 *buffer = new uint8[fileInfo.uncompressed_size+1];
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assert(buffer);
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memset(buffer, 0, (fileInfo.uncompressed_size+1)*sizeof(uint8));
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unzReadCurrentFile(zipFile, buffer, fileInfo.uncompressed_size);
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unzCloseCurrentFile(zipFile);
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Common::MemoryReadStream stream(buffer, fileInfo.uncompressed_size+1);
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font = Graphics::NewFont::loadFont(stream);
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delete[] buffer;
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buffer = 0;
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}
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unzClose(zipFile);
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}
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#endif
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if (font) {
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if (!cacheFilename.empty()) {
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if (!Graphics::NewFont::cacheFontData(*font, cacheFilename)) {
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warning("Couldn't create cache file for font '%s'", filename);
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}
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}
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}
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return font;
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}
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Common::String Theme::genCacheFilename(const char *filename) {
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Common::String cacheName(filename);
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for (int i = cacheName.size() - 1; i >= 0; --i) {
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if (cacheName[i] == '.') {
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while ((uint)i < cacheName.size() - 1) {
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cacheName.deleteLastChar();
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}
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cacheName += "fcc";
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return cacheName;
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}
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}
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return "";
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}
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bool Theme::isThemeLoadingRequired() {
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int x = g_system->getOverlayWidth(), y = g_system->getOverlayHeight();
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if (_loadedThemeX == x && _loadedThemeY == y)
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return false;
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_loadedThemeX = x;
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_loadedThemeY = y;
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return true;
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}
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bool Theme::themeConfigUseable(const Common::String &filename) {
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if (ConfMan.hasKey("themepath"))
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Common::File::addDefaultDirectory(ConfMan.get("themepath"));
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#ifdef DATA_PATH
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Common::File::addDefaultDirectoryRecursive(DATA_PATH);
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#endif
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if (ConfMan.hasKey("extrapath"))
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Common::File::addDefaultDirectoryRecursive(ConfMan.get("extrapath"));
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return true;
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}
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} // End of namespace GUI
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