com.itextpdf.io.font.woff2.Round Maven / Gradle / Ivy

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// Copyright 2013 Google Inc. All Rights Reserved.
//
// 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.
//
// This is part of java port of project hosted at https://github.com/google/woff2
package com.itextpdf.io.font.woff2;

// Helper for rounding
class Round {

    // Round a value up to the nearest multiple of 4. Don't round the value in the
    // case that rounding up overflows.
    public static int round4(int value) {
        if (Integer.MAX_VALUE - value < 3) {
            return value;
        }
        return (value + 3) & ~3;
    }

    public static long round4(long value) {
        if (Long.MAX_VALUE - value < 3) {
            return value;
        }
        return (value + 3) & ~3;
    }
}