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

/** Returns a Bitmap from the given URI that may be scaled by an integer factor to reduce its size,
 * so that its width and height are no greater than the corresponding parameters. The scale factor
 * will be a power of 2./*from  ww w  . j  a va2  s .  c o  m*/
 */
public static Bitmap scaledBitmapFromURIWithMaximumSize(Context context, Uri imageURI, int width, int height)
        throws FileNotFoundException {
    BitmapFactory.Options options = computeBitmapSizeFromURI(context, imageURI);
    options.inJustDecodeBounds = false;

    int wratio = powerOf2GreaterOrEqual(1.0 * options.outWidth / width);
    int hratio = powerOf2GreaterOrEqual(1.0 * options.outHeight / height);
    options.inSampleSize = Math.max(wratio, hratio);

    return BitmapFactory.decodeStream(context.getContentResolver().openInputStream(imageURI), null, options);
}

From source file:Main.java

public static int setMinValue(int color, float newValue) {
    float hsv[] = new float[3];
    Color.colorToHSV(color, hsv);
    hsv[2] = Math.max(hsv[2], newValue);
    return Color.HSVToColor(hsv);
}

From source file:Main.java

/**
 * Retuns a darker color from a specified color by the factor.
 * @param color/*www .j av  a 2  s . com*/
 * @param factor
 * @return
 */
public static int darker(int color, float factor) {
    int a = Color.alpha(color);
    int r = Color.red(color);
    int g = Color.green(color);
    int b = Color.blue(color);

    return Color.argb(a, Math.max((int) (r * factor), 0), Math.max((int) (g * factor), 0),
            Math.max((int) (b * factor), 0));
}

From source file:Main.java

/**
 * Get the extension of the file/* www .ja  v  a  2 s  . co m*/
 *
 * @param fileName Name (and location) of the file
 * @return Extension
 */
public static String getFileExtension(String fileName) {
    String extension = "";

    int i = fileName.lastIndexOf('.');
    int p = Math.max(fileName.lastIndexOf('/'), fileName.lastIndexOf('\\'));

    if (i > p) {
        extension = fileName.substring(i + 1);
    }

    return extension;
}

From source file:Main.java

/**
 * //from ww  w  .j  av  a  2 s  .c  om
 * @param file
 */
public static void decodeFile(File file) {
    Bitmap bitmap = null;

    try {
        // Decode image size
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;

        FileInputStream fileInputStream = new FileInputStream(file);
        BitmapFactory.decodeStream(fileInputStream, null, options);
        fileInputStream.close();

        int scale = 1;

        if (options.outHeight > 500 || options.outWidth > 500) {
            scale = (int) Math.pow(2, (int) Math.round(
                    Math.log(500 / (double) Math.max(options.outHeight, options.outWidth)) / Math.log(0.5)));
        }

        // Decode with inSampleSize
        BitmapFactory.Options options2 = new BitmapFactory.Options();
        options2.inSampleSize = scale;

        fileInputStream = new FileInputStream(file);
        bitmap = BitmapFactory.decodeStream(fileInputStream, null, options2);
        fileInputStream.close();

        FileOutputStream output = new FileOutputStream(file);
        bitmap.compress(Bitmap.CompressFormat.JPEG, 90, output);

        output.flush();
        output.close();
    } catch (Exception e) {
        Log.e(TAG, e.getMessage());
    }
}

From source file:Main.java

public static String serializeOpenTag(String nsUri, String qname, Map<String, String> nsMappings,
        Attributes attrs, boolean optimizeNs) {
    String result = "<" + qname;
    if (nsUri != null && nsUri.length() > 0) {
        int idx = Math.max(qname.indexOf(':'), 0);
        nsMappings.put(qname.substring(0, idx), nsUri);
    }/*from  w w  w . j av a2s. c o  m*/
    for (int i = 0; i < attrs.getLength(); i++) {
        result += " " + attrs.getQName(i) + "=\"" + attrs.getValue(i) + "\"";
    }
    for (String key : nsMappings.keySet()) {
        if (optimizeNs) {
            boolean found = key.isEmpty() && qname.indexOf(':') == -1
                    || key.length() > 0 && qname.startsWith(key + ":");
            for (int i = 0; i < attrs.getLength(); i++) {
                String aqn = attrs.getQName(i);
                if (aqn.startsWith("xml")) {
                    continue;
                }
                if (key.isEmpty() && aqn.indexOf(':') == -1 || key.length() > 0 && aqn.startsWith(key + ":")) {
                    found = true;
                    break;
                }
            }
            if (!found) {
                continue;
            }
        }

        if (key.isEmpty()) {
            String value = nsMappings.get(key);
            result += " xmlns=\"" + value + "\"";
        } else {
            result += " xmlns:" + key + "=\"" + nsMappings.get(key) + "\"";
        }
    }
    result += ">";
    return result;
}

From source file:Main.java

public static Bitmap asBitmap(Drawable drawable, int minWidth, int minHeight) {
    final Rect tmpRect = new Rect();
    drawable.copyBounds(tmpRect);//from   w w w  .  ja v a 2s  .  c  om
    if (tmpRect.isEmpty()) {
        tmpRect.set(0, 0, Math.max(minWidth, drawable.getIntrinsicWidth()),
                Math.max(minHeight, drawable.getIntrinsicHeight()));
        drawable.setBounds(tmpRect);
    }
    Bitmap bitmap = Bitmap.createBitmap(tmpRect.width(), tmpRect.height(), Bitmap.Config.ARGB_8888);
    drawable.draw(new Canvas(bitmap));
    return bitmap;
}

From source file:Main.java

public static Bitmap resizeDownIfTooBig(final Bitmap bitmap, final int targetSize, final boolean recycle) {
    final int srcWidth = bitmap.getWidth();
    final int srcHeight = bitmap.getHeight();
    final float scale = Math.max((float) targetSize / srcWidth, (float) targetSize / srcHeight);
    if (scale > 0.5f)
        return bitmap;
    return resizeBitmapByScale(bitmap, scale, recycle);
}

From source file:Main.java

public static void visit(ThreadGroup group, int level, List<Thread> result) {
    // Get threads in `group'
    int numThreads = group.activeCount();
    Thread[] threads = new Thread[Math.max(numThreads, 2) * 2];
    numThreads = group.enumerate(threads, false);

    // Enumerate each thread in `group'
    for (int i = 0; i < numThreads; i++) {
        // Get thread
        Thread thread = threads[i];
        result.add(thread);// w w  w  .j ava 2  s. c om
    }

    // Get thread subgroups of `group'
    int numGroups = group.activeGroupCount();
    ThreadGroup[] groups = new ThreadGroup[numGroups * 2];
    numGroups = group.enumerate(groups, false);

    // Recursively visit each subgroup
    for (int i = 0; i < numGroups; i++) {
        visit(groups[i], level + 1, result);
    }

}

From source file:Main.java

private static int getMaxSlashCount(List<String> strings) {
    int maxCount = 0;
    for (String string : strings) {
        maxCount = Math.max(maxCount, getSlashCount(string));
    }/*from   www  .  j av  a 2 s.c o  m*/
    return maxCount;
}