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62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
//
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// ImageHandler.hh for pekwm
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// Copyright © 2003-2009 Claes Nasten <me@pekdon.net>
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//
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// This program is licensed under the GNU GPL.
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// See the LICENSE file for more information.
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//
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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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#ifndef _IMAGE_HANDLER_HH_
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#define _IMAGE_HANDLER_HH_
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#include "Handler.hh"
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#include "ParseUtil.hh"
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#include <string>
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#include <list>
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class PImage;
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/**
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* ImageHandler, a caching and image type transparent image handler.
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*/
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class ImageHandler {
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public:
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ImageHandler(void);
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~ImageHandler(void);
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//! @brief Returns the ImageHandler instance pointer.
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static inline ImageHandler *instance(void) { return _instance; }
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/** Add path entry to the search path. */
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void path_push_back(const std::string &path) { _search_path.push_back(path); }
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/** Remove newest entry in the search path. */
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void path_pop_back(void) { _search_path.pop_back(); }
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/** Remove all entries from the search path. */
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void path_clear(void) { _search_path.clear(); }
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PImage *getImage(const std::string &file);
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void returnImage(PImage *image);
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void freeUnref(void);
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private:
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PImage *getImageFromPath(const std::string &file);
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private:
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std::list<std::string> _search_path; /**< List of directories to search. */
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std::list<HandlerEntry<PImage*> > _image_list; /**< List of loaded images. */
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bool _free_on_return; /**< If true, images are deleted when returned. */
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std::map<ParseUtil::Entry, ImageType> _image_type_map; /**< Type name to type enum map. */
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static ImageHandler *_instance; /**< Singleton instance pointer. */
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};
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#endif // _IMAGE_HANDLER_HH_
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