--- /dev/null
+/*
+ * Copyright (C) 2016 Simon Fels <morphis@gravedo.de>
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 3, as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranties of
+ * MERCHANTABILITY, SATISFACTORY QUALITY, 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef ANBOX_GRAPHICS_DENSITY_H_
+#define ANBOX_GRAPHICS_DENSITY_H_
+
+namespace anbox {
+namespace graphics {
+/**
+ * @brief Defines different types of density being used in an Android system.
+ * See the
+ * documentation in
+ * frameworks/base/core/java/android/util/DisplayMetrics.java
+ * of the Android source tree which defines the different types.
+ */
+enum class DensityType {
+ low = 120,
+ medium = 160,
+ tv = 213,
+ high = 240,
+ xhigh = 360,
+ xxhigh = 480,
+};
+
+DensityType current_density();
+int dp_to_pixel(unsigned int dp);
+} // namespace graphics
+} // namespace anbox
+
+#endif