Java interpolate interpolate(int v1, int v2, float f)

Description

interpolate

License

Open Source License

Declaration

public static int interpolate(int v1, int v2, float f) 

Method Source Code

//package com.java2s;

public class Main {
    public static int interpolate(int v1, int v2, float f) {
        return clamp((int) (v1 + f * (v2 - v1)));
    }/* w  ww.j av a2  s  .co m*/

    /**
     * Clamp a value to an interval.
     *
     * @param value
     *    the input parameter.
     * @param lower
     *    the lower clamp threshold.
     * @param upper
     *    the upper clamp threshold.
     * @return
     *  the clamped value.
     */
    public static byte clamp(byte value, byte lower, byte upper) {
        return (value < lower ? lower : (value > upper ? upper : value));
    }

    /**
     * Clamp a value to an interval.
     *
     * @param value
     *    the input parameter.
     * @param lower
     *    the lower clamp threshold.
     * @param upper
     *    the upper clamp threshold.
     * @return
     *  the clamped value.
     */
    public static short clamp(short value, short lower, short upper) {
        return (value < lower ? lower : (value > upper ? upper : value));
    }

    /**
     * Clamp a value to an interval.
     *
     * @param value
     *    the input parameter.
     * @param lower
     *    the lower clamp threshold.
     * @param upper
     *    the upper clamp threshold.
     * @return
     *  the clamped value.
     */
    public static int clamp(int value, int lower, int upper) {
        return (value < lower ? lower : (value > upper ? upper : value));
    }

    /**
     * Clamp a value to an interval.
     *
     * @param value
     *    the input parameter.
     * @param lower
     *    the lower clamp threshold.
     * @param upper
     *    the upper clamp threshold.
     * @return
     *  the clamped value.
     */
    public static long clamp(long value, long lower, long upper) {
        return (value < lower ? lower : (value > upper ? upper : value));
    }

    /**
     * Clamp a value to an interval.
     *
     * @param value
     *    the input parameter.
     * @param lower
     *    the lower clamp threshold.
     * @param upper
     *    the upper clamp threshold.
     * @return
     *  the clamped value.
     */
    public static float clamp(float value, float lower, float upper) {
        return (value < lower ? lower : (value > upper ? upper : value));
    }

    /**
     * Clamp a value to an interval.
     *
     * @param value
     *    the input parameter.
     * @param lower
     *    the lower clamp threshold.
     * @param upper
     *    the upper clamp threshold.
     * @return
     *  the clamped value.
     */
    public static double clamp(double value, double lower, double upper) {
        return (value < lower ? lower : (value > upper ? upper : value));
    }

    /**
     * Clamp a value to the interval <code>[0, 255]</code>.
     *
     * @param value
     *    the input parameter.
     * @return
     *  the clamped value.
     */
    public static byte clamp(byte value) {
        return (value < 0 ? 0 : (value > 255 ? (byte) 255 : value));
    }

    /**
     * Clamp a value to the interval <code>[0, 255]</code>.
     *
     * @param value
     *    the input parameter.
     * @return
     *  the clamped value.
     */
    public static short clamp(short value) {
        return (value < 0 ? 0 : (value > 255 ? (short) 255 : value));
    }

    /**
     * Clamp a value to the interval <code>[0, 255]</code>.
     *
     * @param value
     *    the input parameter.
     * @return
     *  the clamped value.
     */
    public static int clamp(int value) {
        return (value < 0 ? 0 : (value > 255 ? 255 : value));
    }

    /**
     * Clamp a value to the interval <code>[0, 255]</code>.
     *
     * @param value
     *    the input parameter.
     * @return
     *  the clamped value.
     */
    public static long clamp(long value) {
        return (value < 0 ? 0 : (value > 255 ? 255 : value));
    }

    /**
     * Clamp a value to the interval <code>[0, 255]</code>.
     *
     * @param value
     *    the input parameter.
     * @return
     *  the clamped value.
     */
    public static float clamp(float value) {
        return (value < 0 ? 0 : (value > 255 ? 255 : value));
    }

    /**
     * Clamp a value to the interval <code>[0, 255]</code>.
     *
     * @param value
     *    the input parameter.
     * @return
     *  the clamped value.
     */
    public static double clamp(double value) {
        return (value < 0 ? 0 : (value > 255 ? 255 : value));
    }
}

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