OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/util/FormattingUtils.java


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/*
 * Copyright (C) 2012-2014 Dominik Schürmann <dominik@dominikschuermann.de>
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */

package org.sufficientlysecure.keychain.ui.util;

import android.content.Context;
import android.content.res.Resources.Theme;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
import android.text.style.StrikethroughSpan;
import android.util.TypedValue;

public class FormattingUtils {

    public static int dpToPx(Context context, int dp) {
        return (int) ((dp * context.getResources().getDisplayMetrics().density) + 0.5f);
    }

    public static int pxToDp(Context context, int px) {
        return (int) ((px / context.getResources().getDisplayMetrics().density) + 0.5f);
    }

    public static int getColorFromAttr(Context context, int attr) {
        TypedValue typedValue = new TypedValue();
        Theme theme = context.getTheme();
        theme.resolveAttribute(attr, typedValue, true);
        return typedValue.data;
    }
}