added ImageMan to vkeybd

svn-id: r35952

1 files changed, 111 insertions, 0 deletions

diff --git a/backends/vkeybd/imageman.h b/backends/vkeybd/imageman.h
new file mode 100644
index 0000000000..f555b4c844
--- /dev/null
+++ b/backends/vkeybd/imageman.h
@@ -0,0 +1,111 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#ifndef GRAPHICS_IMAGEMAN_H
+#define GRAPHICS_IMAGEMAN_H
+
+#include "common/scummsys.h"
+
+#include "common/archive.h"
+#include "common/singleton.h"
+#include "common/str.h"
+#include "common/list.h"
+
+namespace Graphics {
+
+struct Surface;
+
+class ImageManager : public Common::Singleton<ImageManager> {
+public:
+	~ImageManager();
+
+	/**
+	 * adds an .zip archive to the pool where the ImageManager searches
+	 * for image files
+	 *
+	 * @param name the name of the archive
+	 * @return true on success and false on failure
+	 */
+	bool addArchive(const Common::String &name);
+
+	/**
+	 * deletes an .zip archive from the pool where the Image Manager searches
+	 * for image files
+	 *
+	 * @param name the name of the archive
+	 */
+	void removeArchive(const Common::String &name);
+
+	/**
+	 * registers a surface to the ImageManager.
+	 * surf->free(), also delete surf, will be called when the ImageManager will
+	 * be destroyed or if ImageManager::unregisterSurface is called.
+	 * if the parameter 'surf' is 0 the Manger will try to load an image with
+	 * the filename 'name'
+	 *
+	 * @param name the name of the new handle
+	 * @param surf the surface which should be associated to the given name
+	 * @return returns true on success and false on failure
+	 */
+	bool registerSurface(const Common::String &name, Surface *surf);
+
+	/**
+	 * unregisters a surface, after this the returned surface from
+	 * getSurface should NOT be used anymore
+	 *
+	 * @param name the handle
+	 * @return true on success, false on failure
+	 */
+	bool unregisterSurface(const Common::String &name);
+
+	/**
+	 * gets a surface registered to a handle
+	 *
+	 * @param name the name of the handle
+	 * @return returns an pointer to an Surface object or 0 on failure
+	 */
+	Surface *getSurface(const Common::String &name);
+private:
+	friend class Common::Singleton<SingletonBaseType>;
+	ImageManager();
+
+	struct Entry {
+		Common::String name;
+		Surface *surface;
+	};
+	typedef Common::List<Entry*>::iterator Iterator;
+
+	Iterator searchHandle(const Common::String &name);
+
+	Common::List<Entry*> _surfaces;
+	Common::SearchSet _archives;
+};
+
+} // end of namespace Graphics
+
+/** Shortcut for accessing the image manager. */
+#define ImageMan		(Graphics::ImageManager::instance())
+
+#endif
+