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// 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.
// $Id$
#include "Image.hh"
#include "StringUtil.hh"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif // HAVE_CONFIG_H
#ifdef HAVE_XPM
#include "ImageXPM.hh"
#endif // HAVE_XPM
#ifdef HAVE_IMLIB2
#include "ImageImlib2.hh"
#endif // HAVE_IMLIB2
#include <list>
#include <iostream>
#include <set>
using std::string;
using std::list;
using std::set;
namespace FbTk {
Image::ImageMap Image::s_image_map;
Image::StringList Image::s_search_paths;
void Image::init() {
// create imagehandlers for their extensions
#ifdef HAVE_XPM
new ImageXPM();
#endif // HAVE_XPM
#ifdef HAVE_IMLIB2
new ImageImlib2();
#endif // HAVE_IMLIB2
}
void Image::shutdown() {
set<ImageBase*> handlers;
// one imagehandler could be registered
// for more than one type
ImageMap::iterator it = s_image_map.begin();
ImageMap::iterator it_end = s_image_map.end();
for (; it != it_end; it++) {
if (it->second)
handlers.insert(it->second);
}
// free the unique handlers
set<ImageBase*>::iterator handler_it = handlers.begin();
set<ImageBase*>::iterator handler_it_end = handlers.end();
for(; handler_it != handler_it_end; handler_it++) {
delete (*handler_it);
}
s_image_map.clear();
}
PixmapWithMask *Image::load(const string &filename, int screen_num) {
if (filename == "")
return false;
// determine file ending
string extension(StringUtil::toUpper(StringUtil::findExtension(filename)));
// valid handle?
if (s_image_map.find(extension) == s_image_map.end())
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
string base_filename = StringUtil::basename(filename);
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 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
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