io.vit.vitio.Extras.TypeFaceSpan.java Source code

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Here is the source code for io.vit.vitio.Extras.TypeFaceSpan.java

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/*
 * Copyright (c) 2015 GDG VIT Vellore.
 * 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 io.vit.vitio.Extras;

/**
 * Created by shalini on 17-06-2015.
 */

import android.content.Context;
import android.graphics.Paint;
import android.graphics.Typeface;
import android.support.v4.util.LruCache;
import android.text.TextPaint;
import android.text.style.MetricAffectingSpan;

public class TypeFaceSpan extends MetricAffectingSpan {
    private static LruCache<String, Typeface> sTypefaceCache = new LruCache<String, Typeface>(12);
    private Typeface mTypeface;

    public TypeFaceSpan(Context context, String typefaceName) {
        mTypeface = sTypefaceCache.get(typefaceName);
        if (mTypeface == null) {
            mTypeface = Typeface.createFromAsset(context.getApplicationContext().getAssets(),
                    String.format("fonts/%s", typefaceName));
            sTypefaceCache.put(typefaceName, mTypeface);
        }
    }

    @Override
    public void updateMeasureState(TextPaint p) {
        p.setTypeface(mTypeface);
        p.setFlags(p.getFlags() | Paint.SUBPIXEL_TEXT_FLAG);
    }

    @Override
    public void updateDrawState(TextPaint tp) {
        tp.setTypeface(mTypeface);
        tp.setFlags(tp.getFlags() | Paint.SUBPIXEL_TEXT_FLAG);
    }
}