Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import android.text.Spannable;
import android.text.SpannableString;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
import android.text.style.ScaleXSpan;

public class Main {
    public static Spannable applyKerning(CharSequence src, float kerning, int start, int end) {
        if (src == null)
            return null;
        final int srcLength = src.length();
        if (srcLength < 2)
            return src instanceof Spannable ? (Spannable) src : new SpannableString(src);
        if (start < 0)
            start = 0;
        if (end > srcLength)
            end = srcLength;

        final String nonBreakingSpace = "\u00A0";
        final SpannableStringBuilder builder = src instanceof SpannableStringBuilder ? (SpannableStringBuilder) src
                : new SpannableStringBuilder(src);
        for (int i = src.length(); i >= 1; i--) {
            builder.insert(i, nonBreakingSpace);
            builder.setSpan(new ScaleXSpan(kerning), i, i + 1, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
        }

        return builder;
    }
}