Example usage for android.graphics Color colorToHSV

Introduction

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

Prototype

public static void colorToHSV(@ColorInt int color, @Size(3) float hsv[]) 

Source Link

Document

Convert the ARGB color to its HSV components.

Usage

From source file:com.danimahardhika.android.helpers.core.ColorHelper.java

@ColorInt
public static int getDarkerColor(@ColorInt int color, @FloatRange(from = 0.0f, to = 1.0f) float transparency) {
    float[] hsv = new float[3];
    Color.colorToHSV(color, hsv);
    hsv[2] *= transparency;//from   www. j  a  v  a 2s .c  o  m
    return Color.HSVToColor(hsv);
}

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From source file:com.dirkgassen.wator.ui.fragment.WatorDisplay.java

/**
 * Calculates a color ramp from {@code youngColor} to {@code oldColor} and returns that array.
 *
 * @param max        maximum age; defines the number of individual colors calculated
 * @param youngColor young (starting) color
 * @param oldColor   old (ending) color/*from w  ww.  j  a  va2  s . com*/
 * @return array with the color ramp
 */
private int[] calculateIndividualAgeColors(int max, int youngColor, int oldColor) {
    final int[] colors = new int[max];
    final float[] youngColorHsv = new float[3];
    final float[] oldColorHsv = new float[3];
    final float[] targetColor = new float[3];
    Color.colorToHSV(youngColor, youngColorHsv);
    Color.colorToHSV(oldColor, oldColorHsv);
    for (int age = 0; age < max; age++) {
        for (int no = 0; no < 3; no++) {
            float proportion = (float) age / (float) max;
            targetColor[no] = (youngColorHsv[no] + ((oldColorHsv[no] - youngColorHsv[no]) * proportion));
            colors[age] = Color.HSVToColor(targetColor);
        }
    }
    return colors;
}

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From source file:com.caseybrooks.scripturememory.activities.DetailActivity.java

@Override
public void setToolBar(String name, int color) {
    ActionBar ab = getSupportActionBar();
    ColorDrawable colorDrawable = new ColorDrawable(color);
    ab.setBackgroundDrawable(colorDrawable);
    ab.setTitle(name);/*ww w.j a  v  a  2s  .  c om*/
    ab.setDisplayHomeAsUpEnabled(true);

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        float[] hsv = new float[3];
        Color.colorToHSV(color, hsv);
        hsv[2] *= 0.8f; // value component
        getWindow().setStatusBarColor(Color.HSVToColor(hsv));
    }
}

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From source file:org.dmfs.tasks.ViewTaskActivity.java

private int darkenColor(int color) {
    float[] hsv = new float[3];
    Color.colorToHSV(color, hsv);
    hsv[2] = hsv[2] * 0.75f;/*from w w w.  j  av  a  2  s .  c  o  m*/
    color = Color.HSVToColor(hsv);
    return color;
}

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From source file:eltos.simpledialogfragments.FlatFragmentActivity.java

/**
 * Let the hosting fragment or activity implement this interface
 * to receive results from the dialog//from   w  w w .  j ava  2  s . c  o m
 *
 * @param dialogTag the tag passed to {@link SimpleDialog#show}
 * @param which result type, one of {@link #BUTTON_POSITIVE}, {@link #BUTTON_NEGATIVE},
 *              {@link #BUTTON_NEUTRAL} or {@link #CANCELED}
 * @param extras the extras passed to {@link SimpleDialog#extra(Bundle)}
 * @return true if the result was handled, false otherwise
 */
@Override
public boolean onResult(@NonNull String dialogTag, int which, @NonNull Bundle extras) {

    // handle results as usual
    if (COLOR_FRAGMENT.equals(dialogTag) && which == BUTTON_POSITIVE) {
        @ColorInt
        int color = extras.getInt(SimpleColorDialog.COLOR);

        // Sets action bar colors
        if (getSupportActionBar() != null) {
            getSupportActionBar().setBackgroundDrawable(new ColorDrawable(0xFF000000 | color));

            boolean dark = Color.red(color) * 0.299 + Color.green(color) * 0.587
                    + Color.blue(color) * 0.114 < 180;
            SpannableString s = new SpannableString(getSupportActionBar().getTitle());
            s.setSpan(new ForegroundColorSpan(dark ? Color.WHITE : Color.BLACK), 0, s.length(),
                    Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
            getSupportActionBar().setTitle(s);
        }

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            float[] hsv = new float[3];
            Color.colorToHSV(color, hsv);
            hsv[2] *= 0.75;
            getWindow().setStatusBarColor(Color.HSVToColor(hsv));
        }

        return true;
    }
    return false;
}

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From source file:com.layer_net.stepindicator.StepIndicator.java

private void init(Context context, AttributeSet attributeSet) {

    initAttributes(context, attributeSet);

    paint = new Paint();
    pStoke = new Paint();
    pText = new Paint();
    paint.setColor(stepColor);//  ww  w.j  a v  a 2s  .  c  o  m
    paint.setFlags(Paint.ANTI_ALIAS_FLAG);
    paint.setStrokeWidth(lineWidth);
    pStoke.setColor(stepColor);
    pStoke.setStrokeWidth(strokeWidth);
    pStoke.setStyle(Paint.Style.STROKE);
    pStoke.setFlags(Paint.ANTI_ALIAS_FLAG);
    pText.setColor(textColor);
    pText.setTextSize(radius);
    pText.setTypeface(Typeface.create(Typeface.DEFAULT, Typeface.BOLD));
    pText.setTextAlign(Paint.Align.CENTER);
    pText.setFlags(Paint.ANTI_ALIAS_FLAG);
    setMinimumHeight(radius * 3);
    Color.colorToHSV(currentColor, hsvCurrent);
    Color.colorToHSV(backgroundColor, hsvBG);
    Color.colorToHSV(stepColor, hsvProgress);
    invalidate();
}

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From source file:de.WyLight.WyLight.WiflyControlActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    if (null != savedInstanceState) {
        mARGB = savedInstanceState.getInt(STATE_KEY_COLOR, 0xffffffff);
        Color.colorToHSV(mARGB, mHSV);
    }//from w w w .  j  a  va 2  s .c o m

    setContentView(R.layout.view_pager);

    ActionBar actionBar = getActionBar();
    actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
    actionBar.setDisplayShowTitleEnabled(false);

    final ViewPager pager = (ViewPager) findViewById(R.id.pager);
    final WiflyPagerAdapter adapter = new WiflyPagerAdapter(getFragmentManager());
    pager.setAdapter(adapter);
    pager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {
        public void onPageScrolled(int arg0, float arg1, int arg2) {
            /* not implemented */
        }

        public void onPageScrollStateChanged(int arg0) {
            /* not implemented */
        }

        public void onPageSelected(int arg0) {
            getActionBar().setSelectedNavigationItem(arg0);
            mFragments[arg0].onShow(mMenu);
        }
    });

    TabListener listener = new TabListener(pager);
    for (int i = 0; i < pager.getAdapter().getCount(); ++i) {
        Tab tab = actionBar.newTab().setIcon(mFragments[i].getIcon()).setTabListener(listener);
        actionBar.addTab(tab);
    }

    Intent i = getIntent();
    mRemote = (Endpoint) i.getSerializableExtra(EXTRA_ENDPOINT);
}

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From source file:com.cyrilmottier.android.polaris2demo.PolylineDemoActivity.java

@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
    if (mMutablePolyline == null) {
        return;/*from ww w.j  ava2s .  co m*/
    }

    if (seekBar == mColorBar) {
        mMutablePolyline.setColor(
                Color.HSVToColor(Color.alpha(mMutablePolyline.getColor()), new float[] { progress, 1, 1 }));
    } else if (seekBar == mAlphaBar) {
        float[] prevHSV = new float[3];
        Color.colorToHSV(mMutablePolyline.getColor(), prevHSV);
        mMutablePolyline.setColor(Color.HSVToColor(progress, prevHSV));
    } else if (seekBar == mWidthBar) {
        mMutablePolyline.setWidth(progress);
    }
}

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From source file:com.android.datetimepicker.Utils.java

public static int darkenColor(int color) {
    float[] hsv = new float[3];
    Color.colorToHSV(color, hsv);
    hsv[2] *= 0.8f; // value component
    return Color.HSVToColor(hsv);
}

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From source file:us.phyxsi.gameshelf.util.ColorUtils.java

public static int getDarkerColor(int color) {
    float[] palette = new float[3];

    Color.colorToHSV(color, palette);
    palette[2] *= 0.8f;/* w  ww .j  a v a 2  s  .c  om*/
    return Color.HSVToColor(palette);
}

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