Image.cc // Image.cc for FbTk - Fluxbox ToolKit // Copyright (c) 2003 Henrik Kinnunen (fluxgen at users.sourceforge.net) // // 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. // $Id: Image.cc,v 1.4 2004/01/02 22:01:08 fluxgen Exp $ #include "Image.hh" #include "StringUtil.hh" #ifdef HAVE_CONFIG_H #include "config.h" #endif // HAVE_CONFIG_H #ifdef HAVE_XPM #include "ImageXPM.hh" #endif #include <list> #include <iostream> using namespace std; namespace FbTk { Image::ImageMap Image::s_image_map; Image::StringList Image::s_search_paths; PixmapWithMask *Image::load(const std::string &filename, int screen_num) { #ifdef HAVE_XPM // we must do this because static linkage with libFbTk will not init // a static autoreg variable for it static ImageXPM xpm; #endif // HAVE_XPM if (filename == "") return false; // determine file ending std::string extension(StringUtil::toUpper(StringUtil::findExtension(filename))); // valid handle? if (s_image_map[extension] == 0) return false; // load file PixmapWithMask *pm = s_image_map[extension]->load(filename, screen_num); // failed?, try different search paths if (pm == 0 && s_search_paths.size()) { // first we need to get basename of current filename std::string base_filename = StringUtil::basename(filename); std::string path = ""; // append each search path and try to load StringList::iterator it = s_search_paths.begin(); StringList::iterator it_end = s_search_paths.end(); for (; it != it_end && pm == 0; ++it) { // append search path and try load it path = StringUtil::expandFilename(*it); pm = s_image_map[extension]->load(path + "/" + base_filename, screen_num); } } return pm; } bool Image::registerType(const std::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(); std::list<std::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 std::string &search_path) { s_search_paths.push_back(search_path); } void Image::removeSearchPath(const std::string &search_path) { s_search_paths.remove(search_path); } void Image::removeAllSearchPaths() { s_search_paths.clear(); } }; // end namespace FbTk Fluxbox CVS-Jan-2003
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