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

Example 1 with ColorMatrix

use of android.graphics.ColorMatrix in project Launcher3 by chislon.

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);
}

Example 2 with ColorMatrix

use of android.graphics.ColorMatrix in project Fairphone by Kwamecorp.

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);
}

Example 3 with ColorMatrix

use of android.graphics.ColorMatrix in project 9GAG by Mixiaoxiao.

the class SquareProgressBar method setImageGrayscale.

/**
	 * You can set the image to b/w with this method. Works fine with the
	 * opacity.
	 * 
	 * @param greyscale
	 *            true if the grayscale should be activated.
	 * @since 1.2.0 / but never used in the example application
	 */
public void setImageGrayscale(boolean greyscale) {
    this.greyscale = greyscale;
    if (greyscale) {
        ColorMatrix matrix = new ColorMatrix();
        matrix.setSaturation(0);
        imageView.setColorFilter(new ColorMatrixColorFilter(matrix));
    } else {
        imageView.setColorFilter(null);
    }
}

Example 4 with ColorMatrix

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

the class AnimUtils method brightnessSaturationFadeIn.

public static ValueAnimator brightnessSaturationFadeIn(final ImageView imageView, Animator.AnimatorListener listener) {
    final ValueAnimator animator = ValueAnimator.ofFloat(0, 1);
    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(fraction * 4 / 3, 1));
            brightnessMatrix.setScale(scale, scale, scale, interpolator.getInterpolation(Math.min(fraction * 2, 1)));
            saturationMatrix.preConcat(brightnessMatrix);
            imageView.setColorFilter(new ColorMatrixColorFilter(saturationMatrix));
            if (imageView.getParent() != null)
                ((View) imageView.getParent()).postInvalidate();
        }
    });
    animator.start();
    return animator;
}

Example 5 with ColorMatrix

use of android.graphics.ColorMatrix in project robolectric by robolectric.

the class ShadowBitmapDrawableTest method withColorFilterSet_draw_shouldCopyDescriptionToCanvas.

@Test
public void withColorFilterSet_draw_shouldCopyDescriptionToCanvas() throws Exception {
    BitmapDrawable drawable = (BitmapDrawable) resources.getDrawable(R.drawable.an_image);
    drawable.setColorFilter(new ColorMatrixColorFilter(new ColorMatrix()));
    Canvas canvas = new Canvas();
    drawable.draw(canvas);
    assertThat(shadowOf(canvas).getDescription()).isEqualTo("Bitmap for resource:org.robolectric:drawable/an_image with ColorMatrixColorFilter<1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0>");
}