Examples with ColorMatrix android.graphics.ColorMatrix used on opensource projects

Example 31 with ColorMatrix

use of android.graphics.ColorMatrix in project kickmaterial by byoutline.

the class LUtils method toGrayscale.

public static void toGrayscale(ImageView iv) {
    ColorMatrix matrix = new ColorMatrix();
    matrix.setSaturation(0);
    ColorMatrixColorFilter filter = new ColorMatrixColorFilter(matrix);
    iv.setColorFilter(filter);
}

Example 32 with ColorMatrix

use of android.graphics.ColorMatrix in project Carbon by ZieIony.

the class AnimUtils method brightnessSaturationFadeOut.

public static ValueAnimator brightnessSaturationFadeOut(final ImageView imageView, Animator.AnimatorListener listener) {
    final ValueAnimator animator = ValueAnimator.ofFloat(1, 0);
    final AccelerateDecelerateInterpolator interpolator = new AccelerateDecelerateInterpolator();
    animator.setInterpolator(interpolator);
    animator.setDuration(800);
    if (listener != null)
        animator.addListener(listener);
    animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {

        ColorMatrix saturationMatrix = new ColorMatrix();

        ColorMatrix brightnessMatrix = new ColorMatrix();

        @Override
        public void onAnimationUpdate(ValueAnimator valueAnimator) {
            float fraction = animator.getAnimatedFraction();
            saturationMatrix.setSaturation((Float) animator.getAnimatedValue());
            float scale = 2 - interpolator.getInterpolation(Math.min((1 - fraction) * 4 / 3, 1));
            brightnessMatrix.setScale(scale, scale, scale, interpolator.getInterpolation(Math.min((1 - fraction) * 2, 1)));
            saturationMatrix.preConcat(brightnessMatrix);
            imageView.setColorFilter(new ColorMatrixColorFilter(saturationMatrix));
            if (imageView.getParent() != null)
                ((View) imageView.getParent()).postInvalidate();
        }
    });
    animator.start();
    return animator;
}

Example 33 with ColorMatrix

use of android.graphics.ColorMatrix in project Shuttle by timusus.

the class GrayscaleTransformation method transform.

@Override
public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
    Bitmap source = resource.get();
    int width = source.getWidth();
    int height = source.getHeight();
    Bitmap.Config config = source.getConfig() != null ? source.getConfig() : Bitmap.Config.ARGB_8888;
    Bitmap bitmap = mBitmapPool.get(width, height, config);
    if (bitmap == null) {
        bitmap = Bitmap.createBitmap(width, height, config);
    }
    Canvas canvas = new Canvas(bitmap);
    ColorMatrix saturation = new ColorMatrix();
    saturation.setSaturation(0f);
    Paint paint = new Paint();
    paint.setColorFilter(new ColorMatrixColorFilter(saturation));
    canvas.drawBitmap(source, 0, 0, paint);
    return BitmapResource.obtain(bitmap, mBitmapPool);
}

Example 34 with ColorMatrix

use of android.graphics.ColorMatrix in project picasso by square.

the class GrayscaleTransformation method transform.

@Override
public Bitmap transform(Bitmap source) {
    Bitmap result = createBitmap(source.getWidth(), source.getHeight(), source.getConfig());
    Bitmap noise;
    try {
        noise = picasso.load(R.drawable.noise).get();
    } catch (IOException e) {
        throw new RuntimeException("Failed to apply transformation! Missing resource.");
    }
    BitmapShader shader = new BitmapShader(noise, REPEAT, REPEAT);
    ColorMatrix colorMatrix = new ColorMatrix();
    colorMatrix.setSaturation(0);
    ColorMatrixColorFilter filter = new ColorMatrixColorFilter(colorMatrix);
    Paint paint = new Paint(ANTI_ALIAS_FLAG);
    paint.setColorFilter(filter);
    Canvas canvas = new Canvas(result);
    canvas.drawBitmap(source, 0, 0, paint);
    paint.setColorFilter(null);
    paint.setShader(shader);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.MULTIPLY));
    canvas.drawRect(0, 0, canvas.getWidth(), canvas.getHeight(), paint);
    source.recycle();
    noise.recycle();
    return result;
}

Example 35 with ColorMatrix

use of android.graphics.ColorMatrix in project android_packages_apps_Launcher2 by CyanogenMod.

the class Utilities method initStatics.

private static void initStatics(Context context) {
    final Resources resources = context.getResources();
    final DisplayMetrics metrics = resources.getDisplayMetrics();
    final float density = metrics.density;
    sIconWidth = sIconHeight = (int) resources.getDimension(R.dimen.app_icon_size);
    sIconTextureWidth = sIconTextureHeight = sIconWidth;
    sBlurPaint.setMaskFilter(new BlurMaskFilter(5 * density, BlurMaskFilter.Blur.NORMAL));
    sGlowColorPressedPaint.setColor(0xffffc300);
    sGlowColorFocusedPaint.setColor(0xffff8e00);
    ColorMatrix cm = new ColorMatrix();
    cm.setSaturation(0.2f);
    sDisabledPaint.setColorFilter(new ColorMatrixColorFilter(cm));
    sDisabledPaint.setAlpha(0x88);
}