src/org/cyanogenmod/wallpapers/photophase/Utils.java


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/*
 * Copyright (C) 2013 The CyanogenMod Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.cyanogenmod.wallpapers.photophase;

import android.content.Context;
import android.content.res.Resources;
import android.util.DisplayMetrics;

/**
 * A helper class with utilities
 */
public class Utils {

    /**
     * This method converts dp unit to equivalent device specific value in pixels.
     *
     * @param ctx The current context
     * @param dp A value in dp (Device independent pixels) unit
     * @return float A float value to represent Pixels equivalent to dp according to device
     */
    public static float convertDpToPixel(Context ctx, float dp) {
        Resources resources = ctx.getResources();
        DisplayMetrics metrics = resources.getDisplayMetrics();
        return dp * (metrics.densityDpi / 160f);
    }

}