Example usage for java.lang Math min

Introduction

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

Prototype

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

Source Link

Document

Returns the smaller of two double values.

Usage

From source file:Main.java

public static Bitmap applySaturationFilter(Bitmap source, int level) {
    int width = source.getWidth();
    int height = source.getHeight();
    int[] pixels = new int[width * height];
    float[] HSV = new float[3];
    source.getPixels(pixels, 0, width, 0, 0, width, height);

    int index = 0;
    for (int y = 0; y < height; ++y) {
        for (int x = 0; x < width; ++x) {
            index = y * width + x;/*from   w w w.j av  a2s .  c  o m*/
            Color.colorToHSV(pixels[index], HSV);
            HSV[1] *= level;
            HSV[1] = (float) Math.max(0.0, Math.min(HSV[1], 1.0));
            pixels[index] |= Color.HSVToColor(HSV);
        }
    }
    Bitmap bmOut = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    bmOut.setPixels(pixels, 0, width, 0, 0, width, height);
    return bmOut;
}

From source file:Main.java

private static void rgbToHsl(int color, float hsl[]) {

    float r = Color.red(color) / 255.f;
    float g = Color.green(color) / 255.f;
    float b = Color.blue(color) / 255.f;
    float max = Math.max(Math.max(r, g), b);
    float min = Math.min(Math.min(r, g), b);
    float h;// ww  w  .  j a v a  2 s. c om
    float s;
    float l;

    h = s = l = (max + min) / 2;

    if (max == min) {
        h = s = 0;
    } else {
        float delta = max - min;
        s = l > 0.5f ? delta / (2f - max - min) : delta / (max + min);
        if (max == r) {
            h = (g - b) / delta;
        } else if (max == g) {
            h = (b - r) / delta + 2f;
        } else if (max == b) {
            h = (r - g) / delta + 4f;
        }
        h *= 60f;
        if (h < 0f) {
            h += 360f;
        } else if (h > 360f) {
            h -= 360f;
        }
    }
    hsl[0] = h;
    hsl[1] = s;
    hsl[2] = l;
}

From source file:Main.java

public static float constrain(float min, float max, float v) {
    return Math.max(min, Math.min(max, v));
}

From source file:Main.java

public static Bitmap resize(Bitmap bitmap, int targetWidth, int targetHeight) {
    if (bitmap == null || targetWidth < 0 || targetHeight < 0) {
        return null;
    }//from   ww w .  j  a  v a 2  s.  co m
    int pictureWidth = bitmap.getWidth();
    int pictureHeight = bitmap.getHeight();
    float scale = Math.min((float) targetWidth / pictureWidth, (float) targetHeight / pictureHeight); // (1)

    Matrix matrix = new Matrix();
    matrix.postScale(scale, scale);

    return Bitmap.createBitmap(bitmap, 0, 0, pictureWidth, pictureHeight, matrix, true);
}

From source file:Main.java

/**
 * Get a range from a list based on start and count parameters in a safe way.
 *
 * @param start The start index// ww w.ja  v  a2 s . c  o m
 * @param count The number of elements to add
 *
 * @return The sublist consisting at most of {@code count} elements (less if the parameters
 * exceed the size of the list)
 */
public static <T> List<T> getRange(List<T> list, int start, int count) {
    if (start >= list.size() || count <= 0) {
        return new ArrayList<>();
    } else if (start < 0) {
        start = 0;
    }
    int end = Math.min(list.size(), start + count);
    return list.subList(start, end);
}

From source file:Main.java

/**
 * Expands an array of Objects to double of its current size. Remember to use cast to turn the result into an array of the appropriate class, i.e:
 * //w ww . j  av  a  2s .  c om
 *   <code>someArray=(SomeClass [])unlekker.util.Util.expandArray(someArray);
 * @param list Array to be expanded.
 * @return Array of Object [], must be cast to appropriate class.
 */
static public Object expandArray(Object[] list) {
    int newSize = list.length * 2;
    Class type = list.getClass().getComponentType();
    Object temp = Array.newInstance(type, newSize);
    System.arraycopy(list, 0, temp, 0, Math.min(Array.getLength(list), newSize));
    return temp;
}

From source file:Main.java

static public long[] resizeArray(long[] f, int newSize) {
    long[] newf = new long[newSize];
    System.arraycopy(f, 0, newf, 0, Math.min(f.length, newSize));
    return newf;/*  w w w  . j a v a2s.  c o m*/
}

From source file:Main.java

public static Bitmap getSampleBitmap(Activity activity, String filepath) {
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;//from   w w w.ja  v a 2s.co m
    BitmapFactory.decodeFile(filepath, options);
    options.inJustDecodeBounds = false;
    int width = options.outWidth;
    int height = options.outHeight;

    DisplayMetrics dm = new DisplayMetrics();
    activity.getWindowManager().getDefaultDisplay().getMetrics(dm);
    int scale = Math.min(width / dm.widthPixels, height / dm.heightPixels);
    options.inSampleSize = scale;
    Bitmap bitmap2 = BitmapFactory.decodeFile(filepath, options);
    return bitmap2;
}

From source file:com.naver.template.common.ChunkUtils.java

public static <T> List<List<T>> chunk(List<T> list, int chunkSize) {
    List<List<T>> chunkedList = new ArrayList<List<T>>();
    int start = 0;
    while (start < list.size()) {
        int end = Math.min(chunkSize + start, list.size());
        chunkedList.add(list.subList(start, end));
        start = end;//from w w  w .  j a v a2 s .  c o m
    }
    return chunkedList;
}

From source file:Main.java

public static byte[] readInputStream(InputStream inputStream) throws IOException {
    byte[] buffer = new byte[4096];
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream(4096);

    // Do the first byte via a blocking read
    outputStream.write(inputStream.read());

    // Slurp the rest
    int available = 0;// inputStream.available();
    boolean run = true;
    while (run && (available = inputStream.available()) > 0) {
        // Log.d(TAG, "slurp " + available);
        while (available > 0) {
            int cbToRead = Math.min(buffer.length, available);
            int cbRead = inputStream.read(buffer, 0, cbToRead);
            if (cbRead <= 0) {
                run = false;/*from w  ww  . j a v a2s  .c  om*/
                break;
            }
            outputStream.write(buffer, 0, cbRead);
            available -= cbRead;
        }
    }
    return outputStream.toByteArray();
}