Example usage for android.graphics ColorMatrix ColorMatrix

Introduction

In this page you can find the example usage for android.graphics ColorMatrix ColorMatrix.

Prototype

public ColorMatrix()

Source Link

Document

Create a new colormatrix initialized to identity (as if reset() had been called).

Usage

From source file:Main.java

public static Drawable toGrey(Drawable drawable) {
    int w = drawable.getMinimumWidth();
    int h = drawable.getMinimumHeight();
    if (w <= 0 || h <= 0) {
        return drawable;
    }/*from   ww w.j  ava 2s  .c  om*/
    Rect bounds = drawable.getBounds();
    Bitmap grey = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
    Canvas c = new Canvas(grey);
    ColorMatrix cm = new ColorMatrix();
    cm.setSaturation(0);
    drawable.setColorFilter(new ColorMatrixColorFilter(cm));
    drawable.setBounds(0, 0, w, h);
    drawable.draw(c);
    drawable.clearColorFilter();
    drawable.setBounds(bounds);
    BitmapDrawable bd = new BitmapDrawable(grey);
    bd.setBounds(0, 0, w, h);
    return bd;
}

From source file:Main.java

private static Bitmap toGrayscale(Bitmap bmpOriginal) {
    int width, height;
    height = bmpOriginal.getHeight();/*w w w.  ja  v  a2s  . co  m*/
    width = bmpOriginal.getWidth();

    Bitmap bmpGrayscale = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    Canvas c = new Canvas(bmpGrayscale);
    Paint paint = new Paint();
    ColorMatrix cm = new ColorMatrix();
    cm.setSaturation(0);

    ColorMatrixColorFilter f = new ColorMatrixColorFilter(cm);
    paint.setColorFilter(f);
    c.drawBitmap(bmpOriginal, 0, 0, paint);
    return bmpGrayscale;
}

From source file:Main.java

public static Bitmap toGrayScale(Bitmap bmpOriginal) {
    int width, height;
    height = bmpOriginal.getHeight();// w  ww . ja v a2  s.c o  m
    width = bmpOriginal.getWidth();

    Bitmap bmpGrayscale = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
    Canvas c = new Canvas(bmpGrayscale);
    Paint paint = new Paint();
    ColorMatrix cm = new ColorMatrix();
    cm.setSaturation(0);
    ColorMatrixColorFilter f = new ColorMatrixColorFilter(cm);
    paint.setColorFilter(f);
    c.drawBitmap(bmpOriginal, 0, 0, paint);
    return bmpGrayscale;
}

From source file:com.byoutline.kickmaterial.utils.LUtils.java

public static void toGrayscale(ImageView iv) {
    ColorMatrix matrix = new ColorMatrix();
    matrix.setSaturation(0);/*from ww  w.  ja  v  a  2s  .c om*/

    ColorMatrixColorFilter filter = new ColorMatrixColorFilter(matrix);
    iv.setColorFilter(filter);
}

From source file:Main.java

@SuppressWarnings("deprecation")
private static Drawable getSelectedDrawable(BitmapDrawable mDrawable) {
    Bitmap srcBitmap = mDrawable.getBitmap();
    Bitmap bmp = Bitmap.createBitmap(srcBitmap.getWidth(), srcBitmap.getHeight(), Config.ARGB_8888);
    ColorMatrix cMatrix = new ColorMatrix();
    cMatrix.set(new float[] { 1, 0, 0, 0, -DRAW_DEEP, 0, 1, 0, 0, -DRAW_DEEP, 0, 0, 1, 0, -DRAW_DEEP, 0, 0, 0,
            1, 0 });/* ww  w. j av  a 2s. c  om*/
    Paint paint = new Paint();
    paint.setColorFilter(new ColorMatrixColorFilter(cMatrix));
    Canvas canvas = new Canvas(bmp);
    canvas.drawBitmap(srcBitmap, 0, 0, paint);
    return new BitmapDrawable(bmp);
}

From source file:com.geekandroid.sdk.base.BaseFragment.java

@Nullable
@Override// w  ww . j  a  v  a  2s. com
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    colorMatrix = new ColorMatrix();
    return super.onCreateView(inflater, container, savedInstanceState);
}

From source file:Main.java

private static Paint getGrayScalePaint() {
    Paint paint = new Paint();
    paint.setAntiAlias(true);/*  w  w  w. j a  v a2  s.  co  m*/
    ColorMatrix cm = new ColorMatrix();
    cm.setSaturation(0);
    ColorMatrixColorFilter colorMatrixColorFilter = new ColorMatrixColorFilter(cm);
    paint.setColorFilter(colorMatrixColorFilter);
    return paint;
}

From source file:com.f2prateek.dfg.core.GenerateFrameService.java

@Override
public void startingImage(Bitmap screenshot) {
    // Create the large notification icon
    int imageWidth = screenshot.getWidth();
    int imageHeight = screenshot.getHeight();
    int iconSize = resources.getDimensionPixelSize(android.R.dimen.notification_large_icon_height);
    final int shortSide = imageWidth < imageHeight ? imageWidth : imageHeight;

    // Check for if config is null, http://crashes.to/s/dd0857c8648
    Bitmap preview = Bitmap.createBitmap(shortSide, shortSide,
            screenshot.getConfig() == null ? Bitmap.Config.ARGB_8888 : screenshot.getConfig());
    Canvas c = new Canvas(preview);
    Paint paint = new Paint();
    ColorMatrix desat = new ColorMatrix();
    desat.setSaturation(0.25f);//from   www.j  a  v a  2  s.  com
    paint.setColorFilter(new ColorMatrixColorFilter(desat));
    Matrix matrix = new Matrix();
    matrix.postTranslate((shortSide - imageWidth) / 2, (shortSide - imageHeight) / 2);
    c.drawBitmap(screenshot, matrix, paint);
    c.drawColor(0x40FFFFFF);

    Bitmap croppedIcon = Bitmap.createScaledBitmap(preview, iconSize, iconSize, true);

    Intent nullIntent = new Intent(this, MainActivity.class);
    nullIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

    notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
    notificationBuilder = new NotificationCompat.Builder(this)
            .setTicker(resources.getString(R.string.screenshot_saving_ticker))
            .setContentTitle(resources.getString(R.string.screenshot_saving_title))
            .setSmallIcon(R.drawable.ic_stat_app_notification)
            .setStyle(new NotificationCompat.BigPictureStyle().bigPicture(preview))
            .setContentIntent(PendingIntent.getActivity(this, 0, nullIntent, 0))
            .setWhen(System.currentTimeMillis()).setProgress(0, 0, true).setLargeIcon(croppedIcon);

    Notification n = notificationBuilder.build();
    n.flags |= Notification.FLAG_NO_CLEAR;
    notificationManager.notify(DFG_NOTIFICATION_ID, n);
}

From source file:com.geekandroid.sdk.base.BaseActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    colorMatrix = new ColorMatrix();
    mGestureDetector = new GestureDetector(this, this);
}

From source file:com.sspai.dkjt.service.GenerateFrameService.java

@Override
public void startingImage(Bitmap screenshot) {
    // Create the large notification icon
    int imageWidth = screenshot.getWidth();
    int imageHeight = screenshot.getHeight();
    int iconSize = resources.getDimensionPixelSize(android.R.dimen.notification_large_icon_height);
    final int shortSide = imageWidth < imageHeight ? imageWidth : imageHeight;

    // Check for if config is null, http://crashes.to/s/dd0857c8648
    Bitmap preview = Bitmap.createBitmap(shortSide, shortSide,
            screenshot.getConfig() == null ? Bitmap.Config.ARGB_8888 : screenshot.getConfig());
    Canvas c = new Canvas(preview);
    Paint paint = new Paint();
    ColorMatrix desat = new ColorMatrix();
    desat.setSaturation(0.25f);/* w  ww .  ja va 2  s .co m*/
    paint.setColorFilter(new ColorMatrixColorFilter(desat));
    Matrix matrix = new Matrix();
    matrix.postTranslate((shortSide - imageWidth) / 2, (shortSide - imageHeight) / 2);
    c.drawBitmap(screenshot, matrix, paint);
    c.drawColor(0x40FFFFFF);

    Bitmap croppedIcon = Bitmap.createScaledBitmap(preview, iconSize, iconSize, true);

    Intent nullIntent = new Intent(this, MainActivity.class);
    nullIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

    notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
    notificationBuilder = new NotificationCompat.Builder(this)
            .setTicker(resources.getString(R.string.screenshot_saving_ticker))
            .setContentTitle(resources.getString(R.string.screenshot_saving_title))
            .setSmallIcon(R.drawable.ic_actionbar_logo)
            .setStyle(new NotificationCompat.BigPictureStyle().bigPicture(preview))
            .setContentIntent(PendingIntent.getActivity(this, 0, nullIntent, 0))
            .setWhen(System.currentTimeMillis()).setProgress(0, 0, true).setLargeIcon(croppedIcon);

    Notification n = notificationBuilder.build();
    n.flags |= Notification.FLAG_NO_CLEAR;
    notificationManager.notify(DFG_NOTIFICATION_ID, n);
}