// Image.cc for FbTk - Fluxbox ToolKit // Copyright (c) 2003 - 2006 Henrik Kinnunen (fluxgen at fluxbox dot org) // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. #include "Image.hh" #include "StringUtil.hh" #include "FileUtil.hh" #ifdef HAVE_XPM #include "ImageXPM.hh" #endif // HAVE_XPM #ifdef HAVE_IMLIB2 #include "ImageImlib2.hh" #endif // HAVE_IMLIB2 #include <list> #include <set> using std::string; using std::list; using std::set; namespace { typedef std::map<std::string, FbTk::ImageBase *> ImageMap; typedef std::list<std::string> StringList; ImageMap s_image_map; StringList s_search_paths; #ifdef HAVE_IMLIB2 FbTk::ImageImlib2 imlib2_loader; #endif #ifdef HAVE_XPM FbTk::ImageXPM xpm_loader; #endif } // end of anonymous namespace namespace FbTk { PixmapWithMask *Image::load(const string &filename, int screen_num) { if (filename.empty()) return NULL; // determine file ending string extension(StringUtil::toUpper(StringUtil::findExtension(filename))); // valid handle? if (s_image_map.find(extension) == s_image_map.end()) return NULL; string path = locateFile(filename); if (!path.empty()) return s_image_map[extension]->load(path, screen_num); return 0; } string Image::locateFile(const string &filename) { string path = StringUtil::expandFilename(filename); if (FileUtil::isRegularFile(path.c_str())) return path; string base = StringUtil::basename(filename); StringList::iterator it = s_search_paths.begin(); StringList::iterator it_end = s_search_paths.end(); for (; it != it_end; ++it) { path = StringUtil::expandFilename(*it) + "/" + base; if (FileUtil::isRegularFile(path.c_str())) return path; } return ""; } bool Image::registerType(const string &type, ImageBase &base) { string ucase_type = StringUtil::toUpper(type); // not empty and not this base? if (s_image_map[ucase_type] != 0 && s_image_map[ucase_type] != &base) return false; // already registered? if (s_image_map[ucase_type] == &base) return true; s_image_map[ucase_type] = &base; return true; } void Image::remove(ImageBase &base) { // find and remove all referenses to base ImageMap::iterator it = s_image_map.begin(); ImageMap::iterator it_end = s_image_map.end(); list<string> remove_list; for (; it != it_end; ++it) { if (it->second == &base) remove_list.push_back(it->first); } while (!remove_list.empty()) { s_image_map.erase(remove_list.back()); remove_list.pop_back(); } } void Image::addSearchPath(const string &search_path) { s_search_paths.push_back(search_path); } void Image::removeSearchPath(const string &search_path) { s_search_paths.remove(search_path); } void Image::removeAllSearchPaths() { s_search_paths.clear(); } } // end namespace FbTk