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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ * mipmap.h
+ *
+ * Fri Sep 3 16:39:45 CEST 2010
+ * Copyright 2010 Bent Bisballe Nyeng
+ * deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ * This file is part of DrumGizmo.
+ *
+ * DrumGizmo 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.
+ *
+ * DrumGizmo 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 DrumGizmo; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+#ifndef __DRUMGIZMO_MIPMAP_H__
+#define __DRUMGIZMO_MIPMAP_H__
+
+#include <QMap>
+#include <stddef.h>
+
+class MipMapValue {
+public:
+ MipMapValue() { max = min = uavg = lavg = 0.0; }
+ float max;
+ float min;
+ float uavg;
+ float lavg;
+};
+
+class MipMap {
+public:
+ MipMap(float *data, size_t size);
+
+ MipMapValue lookup(size_t begin, size_t end);
+
+private:
+ float *data;
+ size_t size;
+
+ MipMapValue *values;
+
+ size_t zoom;
+
+ MipMapValue data_lookup(size_t begin, size_t end);
+ MipMapValue mipmap_lookup(size_t begin, size_t end);
+
+ MipMap *lowerlevel;
+};
+
+#endif/*__DRUMGIZMO_MIPMAP_H__*/