scummvm/gui/theme.cpp
2007-04-29 00:18:54 +00:00

258 lines
7.2 KiB
C++

/* ScummVM - Scumm Interpreter
* Copyright (C) 2006 The ScummVM project
*
* 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 "gui/eval.h"
#include "common/unzip.h"
namespace GUI {
Theme::Theme() : _drawArea(), _stylefile(""), _configFile(), _loadedThemeX(0), _loadedThemeY(0) {
Common::MemoryReadStream s((const byte *)_defaultConfigINI, strlen(_defaultConfigINI));
_defaultConfig.loadFromStream(s);
_evaluator = new Eval();
}
Theme::~Theme() {
delete _evaluator;
}
void Theme::getColorFromConfig(const Common::String &value, OverlayColor &color) {
const char *postfixes[] = {".r", ".g", ".b"};
int rgb[3];
for (int cnt = 0; cnt < 3; cnt++)
rgb[cnt] = _evaluator->getVar(value + postfixes[cnt], 0);
color = g_system->RGBToColor(rgb[0], rgb[1], rgb[2]);
}
void Theme::getColorFromConfig(const Common::String &value, uint8 &r, uint8 &g, uint8 &b) {
r = _evaluator->getVar(value + ".r", 0);
g = _evaluator->getVar(value + ".g", 0);
b = _evaluator->getVar(value + ".b", 0);
}
const Graphics::Font *Theme::loadFont(const char *filename) {
const Graphics::NewFont *font = 0;
Common::String cacheFilename = genCacheFilename(filename);
Common::File fontFile;
if (!cacheFilename.empty()) {
if (fontFile.open(cacheFilename))
font = Graphics::NewFont::loadFromCache(fontFile);
if (font)
return font;
#ifdef USE_ZLIB
unzFile zipFile = unzOpen((_stylefile + ".zip").c_str());
if (zipFile && unzLocateFile(zipFile, cacheFilename.c_str(), 2) == UNZ_OK) {
unz_file_info fileInfo;
unzOpenCurrentFile(zipFile);
unzGetCurrentFileInfo(zipFile, &fileInfo, NULL, 0, NULL, 0, NULL, 0);
uint8 *buffer = new uint8[fileInfo.uncompressed_size+1];
assert(buffer);
memset(buffer, 0, (fileInfo.uncompressed_size+1)*sizeof(uint8));
unzReadCurrentFile(zipFile, buffer, fileInfo.uncompressed_size);
unzCloseCurrentFile(zipFile);
Common::MemoryReadStream stream(buffer, fileInfo.uncompressed_size+1);
font = Graphics::NewFont::loadFromCache(stream);
delete [] buffer;
buffer = 0;
}
unzClose(zipFile);
#endif
if (font)
return font;
}
// normal open
if (fontFile.open(filename)) {
font = Graphics::NewFont::loadFont(fontFile);
}
#ifdef USE_ZLIB
if (!font) {
unzFile zipFile = unzOpen((_stylefile + ".zip").c_str());
if (zipFile && unzLocateFile(zipFile, filename, 2) == UNZ_OK) {
unz_file_info fileInfo;
unzOpenCurrentFile(zipFile);
unzGetCurrentFileInfo(zipFile, &fileInfo, NULL, 0, NULL, 0, NULL, 0);
uint8 *buffer = new uint8[fileInfo.uncompressed_size+1];
assert(buffer);
memset(buffer, 0, (fileInfo.uncompressed_size+1)*sizeof(uint8));
unzReadCurrentFile(zipFile, buffer, fileInfo.uncompressed_size);
unzCloseCurrentFile(zipFile);
Common::MemoryReadStream stream(buffer, fileInfo.uncompressed_size+1);
font = Graphics::NewFont::loadFont(stream);
delete [] buffer;
buffer = 0;
}
unzClose(zipFile);
}
#endif
if (font) {
if (!cacheFilename.empty()) {
if (!Graphics::NewFont::cacheFontData(*font, cacheFilename)) {
warning("Couldn't create cache file for font '%s'", filename);
}
}
}
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::loadConfigFile(const Common::String &stylefile) {
if (ConfMan.hasKey("themepath"))
Common::File::addDefaultDirectory(ConfMan.get("themepath"));
#ifdef DATA_PATH
Common::File::addDefaultDirectoryRecursive(DATA_PATH);
#endif
if (ConfMan.hasKey("extrapath"))
Common::File::addDefaultDirectoryRecursive(ConfMan.get("extrapath"));
if (!_configFile.loadFromFile(stylefile + ".ini")) {
#ifdef USE_ZLIB
// Maybe find a nicer solution to this
unzFile zipFile = unzOpen((stylefile + ".zip").c_str());
if (zipFile && unzLocateFile(zipFile, (stylefile + ".ini").c_str(), 2) == UNZ_OK) {
unz_file_info fileInfo;
unzOpenCurrentFile(zipFile);
unzGetCurrentFileInfo(zipFile, &fileInfo, NULL, 0, NULL, 0, NULL, 0);
uint8 *buffer = new uint8[fileInfo.uncompressed_size+1];
assert(buffer);
memset(buffer, 0, (fileInfo.uncompressed_size+1)*sizeof(uint8));
unzReadCurrentFile(zipFile, buffer, fileInfo.uncompressed_size);
unzCloseCurrentFile(zipFile);
Common::MemoryReadStream stream(buffer, fileInfo.uncompressed_size+1);
if (!_configFile.loadFromStream(stream)) {
unzClose(zipFile);
return false;
}
delete [] buffer;
buffer = 0;
} else {
unzClose(zipFile);
return false;
}
unzClose(zipFile);
#else
return false;
#endif
}
return true;
}
bool Theme::themeConfigUseable(const Common::String &stylefile, const Common::String &style, Common::String *cStyle, Common::ConfigFile *cfg) {
if (ConfMan.hasKey("themepath"))
Common::File::addDefaultDirectory(ConfMan.get("themepath"));
#ifdef DATA_PATH
Common::File::addDefaultDirectoryRecursive(DATA_PATH);
#endif
if (ConfMan.hasKey("extrapath"))
Common::File::addDefaultDirectoryRecursive(ConfMan.get("extrapath"));
Common::File file;
Common::ConfigFile configFile;
if (!cfg && (cStyle || !style.empty()))
cfg = &configFile;
if (!file.open(stylefile + ".ini")) {
#ifdef USE_ZLIB
// Maybe find a nicer solution to this
unzFile zipFile = unzOpen((stylefile + ".zip").c_str());
if (zipFile && unzLocateFile(zipFile, (stylefile + ".ini").c_str(), 2) == UNZ_OK) {
if (!style.empty() || cStyle || cfg) {
unz_file_info fileInfo;
unzOpenCurrentFile(zipFile);
unzGetCurrentFileInfo(zipFile, &fileInfo, NULL, 0, NULL, 0, NULL, 0);
uint8 *buffer = new uint8[fileInfo.uncompressed_size+1];
assert(buffer);
memset(buffer, 0, (fileInfo.uncompressed_size+1)*sizeof(uint8));
unzReadCurrentFile(zipFile, buffer, fileInfo.uncompressed_size);
unzCloseCurrentFile(zipFile);
Common::MemoryReadStream stream(buffer, fileInfo.uncompressed_size+1);
if (!cfg->loadFromStream(stream)) {
unzClose(zipFile);
return false;
}
delete [] buffer;
buffer = 0;
}
} else {
unzClose(zipFile);
return false;
}
unzClose(zipFile);
#else
return false;
#endif
}
if (!style.empty() || cStyle || cfg) {
if (file.isOpen()) {
if (!cfg->loadFromStream(file))
return false;
file.close();
}
Common::String temp;
if (!cfg->getKey("type", "theme", temp))
return false;
if (cStyle)
*cStyle = temp;
if (0 != temp.compareToIgnoreCase(style) && !style.empty())
return false;
}
return true;
}
} // End of namespace GUI