1 files changed, 62 insertions, 0 deletions
diff --git a/dgedit/mipmap.h b/dgedit/mipmap.h
new file mode 100644
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--- /dev/null
+++ b/dgedit/mipmap.h
@@ -0,0 +1,62 @@
+/* -*- 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__*/