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:com.channelsoft.common.bitmapUtil.ImageWorker.java

/**
* ?// ww  w.  j a v a  2s .c o  m
* @param bmpOriginal
* @return
*/
public static Bitmap toGrayscale(Bitmap bmpOriginal) {
    int width, height;
    height = bmpOriginal.getHeight();
    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;
}

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From source file:com.ifoer.util.NetPOSPrinter.java

public Bitmap bitmapDuiBi(Bitmap bp) {
    ColorMatrix cm = new ColorMatrix();
    Bitmap bmp = Bitmap.createBitmap(bp.getWidth(), bp.getHeight(), Config.ARGB_8888);
    cm.set(new float[] { 2.0f, 0.0f, 0.0f, 0.0f, 50.0f, 0.0f, 2.0f, 0.0f, 0.0f, 50.0f, 0.0f, 0.0f, 2.0f, 0.0f,
            50.0f, 0.0f, 0.0f, 0.0f, 2.0f, 0.0f });
    Paint paint = new Paint();
    paint.setColorFilter(new ColorMatrixColorFilter(cm));
    new Canvas(bmp).drawBitmap(bp, 0.0f, 0.0f, paint);
    return bmp;/*from  w w  w.j ava  2s  .  co m*/
}

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From source file:com.pixelpixel.pyp.MainActivity.java

public void onResume() {
    super.onResume();

    if (chosenEffect > 0) {
        effectMatrix = new ColorMatrix();
        switch (chosenEffect) {
        case 1: {
            applyOriginal();/*from   w w w.j a v  a  2  s . c  o  m*/
            break;
        }
        case 2: {
            effectMatrix.setSaturation(0);
            applyEffect();
            break;
        }
        case 3: {
            effectMatrix.set(sepMat);
            applyEffect();
            break;
        }
        case 4: {
            effectMatrix.set(invert);
            applyEffect();
            break;
        }
        case 5: {
            effectMatrix.set(dark);
            applyEffect();
            break;
        }
        case 6: {
            effectMatrix.set(sweetDreams);
            applyEffect();
            break;
        }
        case 7: {
            effectMatrix.set(vivid);
            applyEffect();
            break;
        }
        default:
            break;
        }
        //After setting the effect, we reset the variable.
        chosenEffect = 0;

    }
}

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From source file:com.tafayor.selfcamerashot.taflib.helpers.GraphicsHelper.java

public static void converToGrayscale(Drawable drawable) {
    ColorMatrix matrix = new ColorMatrix();
    matrix.setSaturation(0);/* w  w w . j  a  va 2s.  co  m*/

    ColorMatrixColorFilter filter = new ColorMatrixColorFilter(matrix);

    drawable.setColorFilter(filter);

}

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From source file:com.aimfire.gallery.cardboard.PhotoActivity.java

public Bitmap toGrayscale(Bitmap bmpOriginal) {
    int width, height;
    height = bmpOriginal.getHeight();//from w w  w . j a  v  a2  s .c  om
    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);
    bmpOriginal.recycle();
    return bmpGrayscale;
}

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From source file:org.deviceconnect.android.manager.core.util.DConnectUtil.java

/**
 * ??Drawable??.//  w  w w  .ja  v a2s.  c  om
 *
 * @param drawable ??Drawable
 * @return ??Drawable
 */
public static Drawable convertToGrayScale(final Drawable drawable) {
    Drawable clone = drawable.getConstantState().newDrawable().mutate();
    ColorMatrix matrix = new ColorMatrix();
    matrix.setSaturation(0.2f);
    ColorMatrixColorFilter filter = new ColorMatrixColorFilter(matrix);
    clone.setColorFilter(filter);
    return clone;
}

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From source file:edu.cloud.iot.reception.ocr.FaceRecognitionActivity.java

public Bitmap toGrayscale(Bitmap bmpOriginal) {
    int height = bmpOriginal.getHeight();
    int 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);/*from  w w  w  .  java2s.  com*/

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

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From source file:com.derrick.movies.MovieDetailsActivity.java

private ColorMatrix geColorMatrix() {
    ColorMatrix colorMatrix = new ColorMatrix();
    colorMatrix.setSaturation(2);/*w w  w  . j  a va2  s  .  co  m*/
    ColorMatrix colorScale = new ColorMatrix();
    colorScale.setScale(1, 1, 0.8f, 1);
    colorMatrix.postConcat(colorScale);

    return colorMatrix;

}

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From source file:image_cache.ImageWorker.java

public void toGrayscale(String buildFBFriendImageUrl, ImageView imageView) {
    if (buildFBFriendImageUrl == null) {
        return;/*w ww .ja  v  a2  s.  co  m*/
    }

    Bitmap bmpOriginal = null;

    if (mImageCache != null) {
        bmpOriginal = mImageCache.getBitmapFromMemCache(String.valueOf(buildFBFriendImageUrl));
    }

    if (bmpOriginal != null) {
        // Bitmap found in memory cache
        imageView.setImageBitmap(bmpOriginal);
        imageView.setBackgroundColor(0);
    } else if (cancelPotentialWork(buildFBFriendImageUrl, imageView)) {
        final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
        final AsyncDrawable asyncDrawable = new AsyncDrawable(mResources, mLoadingBitmap, task);
        imageView.setImageDrawable(asyncDrawable);

        // NOTE: This uses a custom version of AsyncTask that has been
        // pulled from the
        // framework and slightly modified. Refer to the docs at the top of
        // the class
        // for more info on what was changed.
        task.executeOnExecutor(ImageTask.DUAL_THREAD_EXECUTOR, buildFBFriendImageUrl);
    }
    int width, height;
    height = bmpOriginal.getHeight();
    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);
    imageView.setImageBitmap(bmpGrayscale);

}

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From source file:com.example.hudpassthrough.BluetoothChat.java

private Bitmap toGrayscale(Bitmap bmpOriginal) {
    int width, height;
    height = bmpOriginal.getHeight();//from  www . ja v a2s .  c  om
    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;
}

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