Example usage for java.lang Math max

Introduction

In this page you can find the example usage for java.lang Math max.

Prototype

@HotSpotIntrinsicCandidate
public static double max(double a, double b)

Source Link

Document

Returns the greater of two double values.

Usage

From source file:Main.java

/**
 * @param color/*from w w w .j  av a  2  s .  com*/
 * @param factor
 * @return a new color, darker than the one passed as argument by a percentage factor
 *
 * <br>author Cyril Gambis  - [Mar 17, 2005]
 */
public static Color darker(Color color, double factor) {
    return new Color(Math.max((int) (color.getRed() * factor), 0),
            Math.max((int) (color.getGreen() * factor), 0), Math.max((int) (color.getBlue() * factor), 0));
}

From source file:Main.java

public static BitmapFactory.Options createBitmapScaledOptions(int targetResolution, int actualResolution) {
    double scaleFactor = Math.log((double) actualResolution / (double) targetResolution) / Math.log(2);

    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inSampleSize = Math.max(1, (int) Math.floor(scaleFactor));

    return options;
}

From source file:Main.java

public static void center(Component c) {
    Dimension screenSize = c.getToolkit().getScreenSize();
    Dimension componentSize = c.getSize();
    int xPos = (screenSize.width - componentSize.width) / 2;
    xPos = Math.max(xPos, 0);
    int yPos = (screenSize.height - componentSize.height) / 2;
    yPos = Math.max(yPos, 0);//from   ww w.j  a  v a 2  s.  c o  m
    c.setLocation(new Point(xPos, yPos));
}

From source file:Main.java

public static int colsToInt(int r, int g, int b) {
    return (255 << 24) + (Math.max(Math.min(r, 255), 0) << 16) + (Math.max(Math.min(g, 255), 0) << 8)
            + Math.max(Math.min(b, 255), 0);
}

From source file:Main.java

/**
 * Returns the brightness component of a color int.
 *
 * @return A value between 0.0f and 1.0f
 *
 * @hide Pending API council/*ww  w  .j  a v  a 2s. c  o  m*/
 */
public static float brightness(int color) {
    int r = (color >> 16) & 0xFF;
    int g = (color >> 8) & 0xFF;
    int b = color & 0xFF;

    int V = Math.max(b, Math.max(r, g));

    return (V / 255.f);
}

From source file:Main.java

public static Bitmap createCroppedScaleBitmap(Bitmap src, int reqWidth, int reqHeight) {
    final int bWidth = src.getWidth();
    final int bHeight = src.getHeight();
    Matrix matrix = new Matrix();
    int maxSize = Math.max(reqHeight, reqWidth);
    float scaleX;
    if (bWidth * bHeight < reqWidth * reqHeight)
        scaleX = 0;//from w  ww  .  j  ava 2 s.co m
    else {
        if (bWidth > bHeight) {
            scaleX = (float) maxSize / bWidth;
        } else
            scaleX = (float) maxSize / bHeight;
    }
    Bitmap sourceBitmap;
    if (scaleX > 0 && scaleX != 1) {
        matrix.setScale(scaleX, scaleX);
        sourceBitmap = Bitmap.createBitmap(src, 0, 0, bWidth, bHeight, matrix, true);
        if (sourceBitmap != src && !src.isRecycled())
            src.recycle();
    } else
        sourceBitmap = src;
    return sourceBitmap;
}

From source file:Main.java

public static int lighten(int color) {
    double r = Color.red(color);
    double g = Color.green(color);
    double b = Color.blue(color);

    r *= 1.1;/*  w  w  w. jav  a  2  s. c o m*/
    g *= 1.1;
    b *= 1.1;

    double threshold = 255.999;
    double max = Math.max(r, Math.max(g, b));

    if (max > threshold) {
        double total = r + g + b;
        if (total >= 3 * threshold)
            return Color.WHITE;

        double x = (3 * threshold - total) / (3 * max - total);
        double gray = threshold - x * max;

        r = gray + x * r;
        g = gray + x * g;
        b = gray + x * b;
    }

    return Color.argb(255, (int) r, (int) g, (int) b);
}

From source file:Main.java

/**
 * Get bottom value of the bounding rectangle of the given points.
 *///from w w w  .jav  a 2  s  .  c om
static float getRectBottom(float[] points) {
    return Math.max(Math.max(Math.max(points[1], points[3]), points[5]), points[7]);
}

From source file:Main.java

/**
 * @param options/*from w w w.j  av a2  s.  co m*/
 * @param target
 * @return
 */
public static int computeSampleSize(Options options, int target) {
    int w = options.outWidth;
    int h = options.outHeight;
    int candidateW = w / target;
    int candidateH = h / target;
    int candidate = Math.max(candidateW, candidateH);
    if (candidate == 0) {
        return 1;
    }
    if (candidate > 1) {
        if ((w > target) && (w / candidate) < target) {
            candidate -= 1;
        }
    }
    if (candidate > 1) {
        if ((h > target) && (h / candidate) < target) {
            candidate -= 1;
        }
    }
    return candidate;
}

From source file:Main.java

/**
 * Computes the lightness value in HSL standard for the given color.
 */// w ww  .j  av  a2  s  .c  o  m
public static float getLightnessForColor(int color) {
    int red = Color.red(color);
    int green = Color.green(color);
    int blue = Color.blue(color);
    int largest = Math.max(red, Math.max(green, blue));
    int smallest = Math.min(red, Math.min(green, blue));
    int average = (largest + smallest) / 2;
    return average / 255.0f;
}