Example usage for android.graphics Color argb

List of usage examples for android.graphics Color argb

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Introduction

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

Prototype

@ColorInt
public static int argb(float alpha, float red, float green, float blue)

Source Link

Document

Return a color-int from alpha, red, green, blue float components in the range \([0..1]\).

Usage

From source file:net.rossharper.coloredtablayout.TabLayout.java

static int lerpColor(int startColor, int endColor, float fraction) {

    return Color.argb((int) lerp(Color.alpha(startColor), Color.alpha(endColor), fraction),
            (int) lerp(Color.red(startColor), Color.red(endColor), fraction),
            (int) lerp(Color.green(startColor), Color.green(endColor), fraction),
            (int) lerp(Color.blue(startColor), Color.blue(endColor), fraction));
}

From source file:com.yk.notification.util.BitmapUtil.java

/**
 * ?//from   w  w w  . j  a v a2s .  co m
 * 
 * @param bitmap
 *            
 * @param centerX
 *            ?X?
 * @param centerY
 *            ?Y?
 * @return ??
 */
public static Bitmap sunshine(Bitmap bitmap, int centerX, int centerY) {
    final int width = bitmap.getWidth();
    final int height = bitmap.getHeight();
    Bitmap newBitmap = Bitmap.createBitmap(width, height, Config.RGB_565);

    int pixR = 0;
    int pixG = 0;
    int pixB = 0;

    int pixColor = 0;

    int newR = 0;
    int newG = 0;
    int newB = 0;
    int radius = Math.min(centerX, centerY);

    final float strength = 150F; //  100~150
    int[] pixels = new int[width * height];
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
    int pos = 0;
    for (int i = 1, length = height - 1; i < length; i++) {
        for (int k = 1, len = width - 1; k < len; k++) {
            pos = i * width + k;
            pixColor = pixels[pos];

            pixR = Color.red(pixColor);
            pixG = Color.green(pixColor);
            pixB = Color.blue(pixColor);

            newR = pixR;
            newG = pixG;
            newB = pixB;

            // ????
            int distance = (int) (Math.pow((centerY - i), 2) + Math.pow(centerX - k, 2));
            if (distance < radius * radius) {
                // ??
                int result = (int) (strength * (1.0 - Math.sqrt(distance) / radius));
                newR = pixR + result;
                newG = pixG + result;
                newB = pixB + result;
            }

            newR = Math.min(255, Math.max(0, newR));
            newG = Math.min(255, Math.max(0, newG));
            newB = Math.min(255, Math.max(0, newB));

            pixels[pos] = Color.argb(255, newR, newG, newB);
        }
    }

    newBitmap.setPixels(pixels, 0, width, 0, 0, width, height);
    return newBitmap;
}

From source file:com.alexcruz.papuhwalls.MainActivity.java

public static int tint(int color, double factor) {
    int a = Color.alpha(color);
    int r = Color.red(color);
    int g = Color.green(color);
    int b = Color.blue(color);

    return Color.argb(a, Math.max((int) (r * factor), 0), Math.max((int) (g * factor), 0),
            Math.max((int) (b * factor), 0));
}

From source file:com.yk.notification.util.BitmapUtil.java

/**
 * ?/*from  w  ww.  j a va 2s.co m*/
 * 
 * @param bitmap
 *            
 * @return ??
 */
public static Bitmap film(Bitmap bitmap) {
    // RGBA
    final int MAX_VALUE = 255;
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    Bitmap newBitmap = Bitmap.createBitmap(width, height, Config.RGB_565);

    int pixR = 0;
    int pixG = 0;
    int pixB = 0;

    int pixColor = 0;

    int newR = 0;
    int newG = 0;
    int newB = 0;

    int[] pixels = new int[width * height];
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
    int pos = 0;
    for (int i = 1, length = height - 1; i < length; i++) {
        for (int k = 1, len = width - 1; k < len; k++) {
            pos = i * width + k;
            pixColor = pixels[pos];

            pixR = Color.red(pixColor);
            pixG = Color.green(pixColor);
            pixB = Color.blue(pixColor);

            newR = MAX_VALUE - pixR;
            newG = MAX_VALUE - pixG;
            newB = MAX_VALUE - pixB;

            newR = Math.min(MAX_VALUE, Math.max(0, newR));
            newG = Math.min(MAX_VALUE, Math.max(0, newG));
            newB = Math.min(MAX_VALUE, Math.max(0, newB));

            pixels[pos] = Color.argb(MAX_VALUE, newR, newG, newB);
        }
    }

    newBitmap.setPixels(pixels, 0, width, 0, 0, width, height);
    return newBitmap;
}

From source file:com.yk.notification.util.BitmapUtil.java

/**
 * ??/*  w ww .j  a  va2  s  .c o m*/
 * 
 * @param bitmap
 *            
 * @return ???
 */
public static Bitmap sharpen(Bitmap bitmap) {
    // 
    int[] laplacian = new int[] { -1, -1, -1, -1, 9, -1, -1, -1, -1 };

    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    Bitmap newBitmap = Bitmap.createBitmap(width, height, Config.RGB_565);

    int pixR = 0;
    int pixG = 0;
    int pixB = 0;

    int pixColor = 0;

    int newR = 0;
    int newG = 0;
    int newB = 0;

    int idx = 0;
    float alpha = 0.3F;
    int[] pixels = new int[width * height];
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
    for (int i = 1, length = height - 1; i < length; i++) {
        for (int k = 1, len = width - 1; k < len; k++) {
            idx = 0;
            for (int m = -1; m <= 1; m++) {
                for (int n = -1; n <= 1; n++) {
                    pixColor = pixels[(i + n) * width + k + m];
                    pixR = Color.red(pixColor);
                    pixG = Color.green(pixColor);
                    pixB = Color.blue(pixColor);

                    newR = newR + (int) (pixR * laplacian[idx] * alpha);
                    newG = newG + (int) (pixG * laplacian[idx] * alpha);
                    newB = newB + (int) (pixB * laplacian[idx] * alpha);
                    idx++;
                }
            }

            newR = Math.min(255, Math.max(0, newR));
            newG = Math.min(255, Math.max(0, newG));
            newB = Math.min(255, Math.max(0, newB));

            pixels[i * width + k] = Color.argb(255, newR, newG, newB);
            newR = 0;
            newG = 0;
            newB = 0;
        }
    }

    newBitmap.setPixels(pixels, 0, width, 0, 0, width, height);
    return newBitmap;
}

From source file:com.creativeongreen.imageeffects.MainActivity.java

public static Bitmap colorDodgeBlend(Bitmap source, Bitmap layer) {
    Bitmap base = source.copy(Config.ARGB_8888, true);
    Bitmap blend = layer.copy(Config.ARGB_8888, false);

    IntBuffer buffBase = IntBuffer.allocate(base.getWidth() * base.getHeight());
    base.copyPixelsToBuffer(buffBase);/* w  w w .  j ava 2 s . c  o m*/
    buffBase.rewind();

    IntBuffer buffBlend = IntBuffer.allocate(blend.getWidth() * blend.getHeight());
    blend.copyPixelsToBuffer(buffBlend);
    buffBlend.rewind();

    IntBuffer buffOut = IntBuffer.allocate(base.getWidth() * base.getHeight());
    buffOut.rewind();

    while (buffOut.position() < buffOut.limit()) {
        int filterInt = buffBlend.get();
        int srcInt = buffBase.get();

        int redValueFilter = Color.red(filterInt);
        int greenValueFilter = Color.green(filterInt);
        int blueValueFilter = Color.blue(filterInt);

        int redValueSrc = Color.red(srcInt);
        int greenValueSrc = Color.green(srcInt);
        int blueValueSrc = Color.blue(srcInt);

        int redValueFinal = colordodge(redValueFilter, redValueSrc);
        int greenValueFinal = colordodge(greenValueFilter, greenValueSrc);
        int blueValueFinal = colordodge(blueValueFilter, blueValueSrc);

        int pixel = Color.argb(255, redValueFinal, greenValueFinal, blueValueFinal);

        /*
         * float[] hsv = new float[3]; Color.colorToHSV(pixel, hsv); hsv[1] = 0.0f; float top =
         * VALUE_TOP; // Setting this as 0.95f gave the best result so far if (hsv[2] <= top) {
         * hsv[2] = 0.0f; } else { hsv[2] = 1.0f; } pixel = Color.HSVToColor(hsv);
         */

        buffOut.put(pixel);
    }

    buffOut.rewind();

    base.copyPixelsFromBuffer(buffOut);
    blend.recycle();

    return base;
}

From source file:com.ichi2.anki.AbstractFlashcardViewer.java

@SuppressLint({ "NewApi", "SetJavaScriptEnabled" })
// because of setDisplayZoomControls.
private WebView createWebView() {
    WebView webView = new MyWebView(this);
    webView.setWillNotCacheDrawing(true);
    webView.setScrollBarStyle(View.SCROLLBARS_OUTSIDE_OVERLAY);
    if (CompatHelper.isHoneycomb()) {
        // Disable the on-screen zoom buttons for API > 11
        webView.getSettings().setDisplayZoomControls(false);
    }//from www .j a v a  2s.c  o m
    webView.getSettings().setBuiltInZoomControls(true);
    webView.getSettings().setSupportZoom(true);
    // Start at the most zoomed-out level
    webView.getSettings().setLoadWithOverviewMode(true);
    webView.getSettings().setJavaScriptEnabled(true);
    webView.setWebChromeClient(new AnkiDroidWebChromeClient());
    // Problems with focus and input tags is the reason we keep the old type answer mechanism for old Androids.
    webView.setFocusableInTouchMode(mUseInputTag);
    webView.setScrollbarFadingEnabled(true);
    Timber.d("Focusable = %s, Focusable in touch mode = %s", webView.isFocusable(),
            webView.isFocusableInTouchMode());

    webView.setWebViewClient(new WebViewClient() {
        // Filter any links using the custom "playsound" protocol defined in Sound.java.
        // We play sounds through these links when a user taps the sound icon.
        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            if (url.startsWith("playsound:")) {
                // Send a message that will be handled on the UI thread.
                Message msg = Message.obtain();
                String soundPath = url.replaceFirst("playsound:", "");
                msg.obj = soundPath;
                mHandler.sendMessage(msg);
                return true;
            }
            if (url.startsWith("file") || url.startsWith("data:")) {
                return false; // Let the webview load files, i.e. local images.
            }
            if (url.startsWith("typeblurtext:")) {
                // Store the text the javascript has send us
                mTypeInput = URLDecoder.decode(url.replaceFirst("typeblurtext:", ""));
                //  and show the SHOW ANSWER? button again.
                mFlipCardLayout.setVisibility(View.VISIBLE);
                return true;
            }
            if (url.startsWith("typeentertext:")) {
                // Store the text the javascript has send us
                mTypeInput = URLDecoder.decode(url.replaceFirst("typeentertext:", ""));
                //  and show the answer.
                mFlipCardLayout.performClick();
                return true;
            }
            if (url.equals("signal:typefocus")) {
                // Hide the SHOW ANSWER? button when the input has focus. The soft keyboard takes up enough space
                // by itself.
                mFlipCardLayout.setVisibility(View.GONE);
                return true;
            }
            Timber.d("Opening external link \"%s\" with an Intent", url);
            Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
            try {
                startActivityWithoutAnimation(intent);
            } catch (ActivityNotFoundException e) {
                e.printStackTrace(); // Don't crash if the intent is not handled
            }
            return true;
        }

        // Run any post-load events in javascript that rely on the window being completely loaded.
        @Override
        public void onPageFinished(WebView view, String url) {
            Timber.d("onPageFinished triggered");
            view.loadUrl("javascript:onPageFinished();");
        }
    });
    // Set transparent color to prevent flashing white when night mode enabled
    webView.setBackgroundColor(Color.argb(1, 0, 0, 0));
    return webView;
}

From source file:com.yk.notification.util.BitmapUtil.java

/**
 * ?//ww w . jav  a  2s.c om
 * 
 * @param bitmap
 *            
 * @return ??
 */
public static Bitmap emboss(Bitmap bitmap) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    Bitmap newBitmap = Bitmap.createBitmap(width, height, Config.RGB_565);

    int pixR = 0;
    int pixG = 0;
    int pixB = 0;

    int pixColor = 0;

    int newR = 0;
    int newG = 0;
    int newB = 0;

    int[] pixels = new int[width * height];
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
    int pos = 0;
    for (int i = 1, length = height - 1; i < length; i++) {
        for (int k = 1, len = width - 1; k < len; k++) {
            pos = i * width + k;
            pixColor = pixels[pos];

            pixR = Color.red(pixColor);
            pixG = Color.green(pixColor);
            pixB = Color.blue(pixColor);

            pixColor = pixels[pos + 1];
            newR = Color.red(pixColor) - pixR + 127;
            newG = Color.green(pixColor) - pixG + 127;
            newB = Color.blue(pixColor) - pixB + 127;

            newR = Math.min(255, Math.max(0, newR));
            newG = Math.min(255, Math.max(0, newG));
            newB = Math.min(255, Math.max(0, newB));

            pixels[pos] = Color.argb(255, newR, newG, newB);
        }
    }

    newBitmap.setPixels(pixels, 0, width, 0, 0, width, height);
    return newBitmap;
}

From source file:org.appcelerator.titanium.util.TiUIHelper.java

public static int adjustColorAlpha(final int color, final float factor) {
    int alpha = Math.round(Color.alpha(color) * factor);
    int red = Color.red(color);
    int green = Color.green(color);
    int blue = Color.blue(color);
    return Color.argb(alpha, red, green, blue);
}

From source file:com.eleybourn.bookcatalogue.utils.Utils.java

/**
  * Reuse of bitmaps in tiled backgrounds is a known cause of problems:
  *      http://stackoverflow.com/questions/4077487/background-image-not-repeating-in-android-layout
 * So we avoid reusing them.//w  w  w.j  a v a 2  s . c om
 * 
 * This seems to have become further messed up in 4.1 so now, we just created them manually. No references,
 * but the old cleanup method (see below for cleanupTiledBackground()) no longer works. Since it effectively
 * un-cached the background, we just create it here.
 * 
 * The main problem with this approach is that the style is defined in code rather than XML.
 *
 * @param a         Activity context
 * @param bright   Flag indicating if background should be 'bright'
 * 
 * @return         Background Drawable
 */
public static Drawable makeTiledBackground(boolean bright) {
    // Storage for the layers
    Drawable[] drawables = new Drawable[2];
    // Get the BG image, put in tiled drawable
    Bitmap b = BitmapFactory.decodeResource(BookCatalogueApp.context.getResources(), R.drawable.books_bg);
    BitmapDrawable bmD = new BitmapDrawable(BookCatalogueApp.context.getResources(), b);
    bmD.setTileModeXY(TileMode.REPEAT, TileMode.REPEAT);
    // Add to layers
    drawables[0] = bmD;

    // Set up the gradient colours based on 'bright' setting
    int[] colours = new int[3];
    if (bright) {
        colours[0] = Color.argb(224, 0, 0, 0);
        colours[1] = Color.argb(208, 0, 0, 0);
        colours[2] = Color.argb(48, 0, 0, 0);
    } else {
        colours[0] = Color.argb(255, 0, 0, 0);
        colours[1] = Color.argb(208, 0, 0, 0);
        colours[2] = Color.argb(160, 0, 0, 0);
    }

    // Create a gradient and add to layers
    GradientDrawable gd = new GradientDrawable(GradientDrawable.Orientation.LEFT_RIGHT, colours);
    drawables[1] = gd;

    // Make the layers and we are done.
    LayerDrawable ll = new LayerDrawable(drawables);
    ll.setDither(true);

    return ll;
}