image handling

1 files changed, 70 insertions, 0 deletions

diff --git a/src/FbTk/Image.hh b/src/FbTk/Image.hh
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+// Image.hh 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.hh,v 1.1 2003/08/22 21:25:14 fluxgen Exp $
+
+#ifndef FBTK_IMAGE_HH
+#define FBTK_IMAGE_HH
+
+#include <string>
+#include <list>
+#include <map>
+
+namespace FbTk {
+
+class ImageBase;
+class PixmapWithMask;
+
+/// loads images 
+class Image {
+public:
+    /// @return an instance of PixmapWithMask on success, 0 on failure
+    static PixmapWithMask *load(const std::string &filename, int screen_num);
+    /// for register file type and imagebase
+    /// @return false on failure
+    static bool registerType(const std::string &type, ImageBase &base);
+    /// removes a imagebase class from register
+    /// @return false on failure
+    static void remove(ImageBase &base);
+    /// adds a path to search images from
+    static void addSearchPath(const std::string &search_path);
+    /// adds a path to search images from
+    static void removeAllSearchPaths();
+private:
+    typedef std::map<std::string, ImageBase *> ImageMap;
+    typedef std::list<std::string> StringList;
+
+    static ImageMap s_image_map;
+    static StringList s_search_paths;
+};
+
+/// common interface for all image classes
+class ImageBase {
+public:    
+    virtual ~ImageBase() { Image::remove(*this); }
+    virtual PixmapWithMask *load(const std::string &name, int screen_num) const = 0;
+};
+
+}; // end namespace FbTk
+
+#endif // IMAGE_HH
+
+