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